/*
 * Mantra Creative - Unified Stylesheet
 * Version: 1.0.0
 * Primary Color: #6366F1 (Indigo)
 * Secondary Color: #1E293B (Dark Slate)
 * Background: #F8FAFC
 * Font: Plus Jakarta Sans
 */

/* ============================================
   1. GOOGLE FONTS IMPORT
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,200;1,300;1,400;1,500;1,600;1,700;1,800&display=swap');

/* ============================================
   2. CSS VARIABLES / CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #6366F1;
    --color-primary-light: #818CF8;
    --color-primary-dark: #4F46E5;
    --color-primary-50: #EEF2FF;
    --color-primary-100: #E0E7FF;
    --color-primary-200: #C7D2FE;
    --color-primary-500: #6366F1;
    --color-primary-600: #4F46E5;
    --color-primary-700: #4338CA;

    /* Secondary Colors */
    --color-secondary: #1E293B;
    --color-secondary-light: #334155;
    --color-secondary-dark: #0F172A;

    /* Background Colors */
    --color-bg: #F8FAFC;
    --color-bg-white: #FFFFFF;
    --color-bg-gray: #F1F5F9;
    --color-bg-dark: #1E293B;

    /* Text Colors */
    --color-text: #1E293B;
    --color-text-light: #64748B;
    --color-text-lighter: #94A3B8;
    --color-text-white: #FFFFFF;
    --color-text-muted: #475569;

    /* Status Colors */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-success-dark: #059669;
    --color-error: #EF4444;
    --color-error-light: #FEE2E2;
    --color-error-dark: #DC2626;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #D97706;
    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;
    --color-info-dark: #2563EB;

    /* Border Colors */
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-border-dark: #CBD5E1;

    /* Shadow */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Line Height */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ============================================
   3. CSS RESET AND BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

ul,
ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

/* Remove default focus styles and add custom */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-primary-200);
    color: var(--color-primary-700);
}

/* ============================================
   4. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
    letter-spacing: -0.025em;
}

h2 {
    font-size: var(--font-size-3xl);
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

.text-lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

.text-small {
    font-size: var(--font-size-sm);
}

.text-xs {
    font-size: var(--font-size-xs);
}

.text-muted {
    color: var(--color-text-light);
}

.text-primary {
    color: var(--color-primary);
}

.text-success {
    color: var(--color-success);
}

.text-error {
    color: var(--color-error);
}

.text-warning {
    color: var(--color-warning);
}

strong, .font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.font-medium {
    font-weight: 500;
}

.font-normal {
    font-weight: 400;
}

/* ============================================
   5. LAYOUT - CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

.container-fluid {
    max-width: 100%;
}

/* ============================================
   6. LAYOUT - GRID SYSTEM
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-12 { grid-column: span 12 / span 12; }

.gap-0 { gap: 0; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }
.gap-6 { gap: var(--spacing-2xl); }

/* ============================================
   7. LAYOUT - FLEXBOX UTILITIES
   ============================================ */
.flex {
    display: flex;
}

.inline-flex {
    display: inline-flex;
}

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col-reverse { flex-direction: column-reverse; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

.flex-grow { flex-grow: 1; }
.flex-grow-0 { flex-grow: 0; }
.flex-shrink { flex-shrink: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* ============================================
   8. FORMS - BASE STYLES
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg-white);
    background-clip: padding-box;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-border-dark);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-lighter);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--color-bg-gray);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Input Sizes */
.form-input-sm {
    padding: 0.375rem 0.625rem;
    font-size: var(--font-size-sm);
}

.form-input-lg {
    padding: 0.875rem 1rem;
    font-size: var(--font-size-lg);
}

/* Form Input with Icon */
.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-lighter);
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-icon svg {
    width: 100%;
    height: 100%;
}

.input-wrapper .form-input {
    padding-left: 44px;
}

.input-icon-right {
    left: auto;
    right: 12px;
}

.input-wrapper .form-input.has-icon-right {
    padding-right: 44px;
}

/* Form Select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 2.5rem;
}

/* Form Checkbox and Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    appearance: none;
    border: 2px solid var(--color-border-dark);
    background-color: var(--color-bg-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check-input[type="checkbox"] {
    border-radius: var(--radius-sm);
}

.form-check-input[type="radio"] {
    border-radius: var(--radius-full);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input[type="checkbox"]:checked {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 0.75em;
}

.form-check-input[type="radio"]:checked {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
}

/* Checkbox Wrapper (Alternative Style) */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-custom::after {
    content: '';
    position: absolute;
    display: none;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked + .checkbox-custom::after {
    display: block;
}

.checkbox-input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Form Validation States */
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
    border-color: var(--color-success);
}

.form-input.is-valid:focus,
.form-select.is-valid:focus,
.form-textarea.is-valid:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px var(--color-success-light);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px var(--color-error-light);
}

.form-error {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}

.form-hint {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* Input Group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-input {
    flex: 1;
    border-radius: 0;
}

.input-group .form-input:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.input-group .form-input:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    background-color: var(--color-bg-gray);
    border: 1px solid var(--color-border);
}

.input-group-text:first-child {
    border-right: 0;
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.input-group-text:last-child {
    border-left: 0;
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

/* ============================================
   9. BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
}

.btn-xl {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* Button Primary */
.btn-primary {
    color: var(--color-text-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-primary:active {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
}

.btn-primary:focus-visible {
    box-shadow: 0 0 0 3px var(--color-primary-200);
}

/* Button Secondary */
.btn-secondary {
    color: var(--color-text-white);
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary-light);
}

.btn-secondary:active {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
}

/* Button Outline */
.btn-outline {
    color: var(--color-primary);
    background-color: transparent;
    border-color: var(--color-primary);
}

.btn-outline:hover {
    color: var(--color-text-white);
    background-color: var(--color-primary);
}

.btn-outline-secondary {
    color: var(--color-secondary);
    background-color: transparent;
    border-color: var(--color-secondary);
}

.btn-outline-secondary:hover {
    color: var(--color-text-white);
    background-color: var(--color-secondary);
}

/* Button Danger */
.btn-danger {
    color: var(--color-text-white);
    background-color: var(--color-error);
    border-color: var(--color-error);
}

.btn-danger:hover {
    background-color: var(--color-error-dark);
    border-color: var(--color-error-dark);
}

.btn-outline-danger {
    color: var(--color-error);
    background-color: transparent;
    border-color: var(--color-error);
}

.btn-outline-danger:hover {
    color: var(--color-text-white);
    background-color: var(--color-error);
}

/* Button Success */
.btn-success {
    color: var(--color-text-white);
    background-color: var(--color-success);
    border-color: var(--color-success);
}

.btn-success:hover {
    background-color: var(--color-success-dark);
    border-color: var(--color-success-dark);
}

/* Button Warning */
.btn-warning {
    color: var(--color-text);
    background-color: var(--color-warning);
    border-color: var(--color-warning);
}

.btn-warning:hover {
    background-color: var(--color-warning-dark);
    border-color: var(--color-warning-dark);
}

/* Button Ghost */
.btn-ghost {
    color: var(--color-text);
    background-color: transparent;
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--color-bg-gray);
}

/* Button Link */
.btn-link {
    color: var(--color-primary);
    background-color: transparent;
    border-color: transparent;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--color-primary-dark);
}

/* Button Block */
.btn-block {
    display: flex;
    width: 100%;
}

/* Button Icon */
.btn-icon {
    padding: 0.625rem;
}

.btn-icon.btn-sm {
    padding: 0.375rem;
}

.btn-icon.btn-lg {
    padding: 0.875rem;
}

/* Button Text and Loading */
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Button Group */
.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.btn-group .btn:not(:last-child) {
    border-right: 0;
}

/* ============================================
   10. CARDS
   ============================================ */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-header-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--spacing-md) 0;
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-gray);
}

.card-img {
    width: 100%;
    height: auto;
}

.card-img-top {
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

/* Card Variants */
.card-bordered {
    border: 1px solid var(--color-border);
    box-shadow: none;
}

.card-flat {
    box-shadow: none;
}

.card-elevated {
    box-shadow: var(--shadow-lg);
}

.card-interactive {
    cursor: pointer;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card-interactive:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* ============================================
   11. NAVIGATION - NAVBAR
   ============================================ */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--color-primary);
}

.navbar-brand-logo {
    height: 2rem;
    width: auto;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.navbar-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-nav-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.navbar-nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-primary-100);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-toggle {
    display: none;
    padding: var(--spacing-sm);
    color: var(--color-text);
    cursor: pointer;
}

/* ============================================
   12. NAVIGATION - SIDEBAR
   ============================================ */
.sidebar {
    display: flex;
    flex-direction: column;
    width: 260px;
    min-height: 100vh;
    background-color: var(--color-bg-white);
    border-right: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.sidebar-nav-section {
    margin-bottom: var(--spacing-lg);
}

.sidebar-nav-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
}

.sidebar-nav-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.sidebar-nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-primary-100);
}

.sidebar-nav-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Main content with sidebar */
.main-with-sidebar {
    margin-left: 260px;
    min-height: 100vh;
}

/* ============================================
   13. TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    vertical-align: middle;
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-light);
    background-color: var(--color-bg-gray);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table td {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background-color: var(--color-bg-gray);
}

/* Table Variants */
.table-striped tbody tr:nth-child(odd) {
    background-color: var(--color-bg-gray);
}

.table-striped tbody tr:nth-child(odd):hover {
    background-color: var(--color-border-light);
}

.table-bordered {
    border: 1px solid var(--color-border);
}

.table-bordered th,
.table-bordered td {
    border: 1px solid var(--color-border);
}

.table-compact th,
.table-compact td {
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Table Actions */
.table-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Table Responsive Wrapper */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ============================================
   14. ALERTS / FLASH MESSAGES
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-md);
}

.alert-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    margin: 0;
}

.alert-close {
    flex-shrink: 0;
    padding: var(--spacing-xs);
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* Alert Variants */
.alert-success {
    color: var(--color-success-dark);
    background-color: var(--color-success-light);
    border: 1px solid var(--color-success);
}

.alert-error {
    color: var(--color-error-dark);
    background-color: var(--color-error-light);
    border: 1px solid var(--color-error);
}

.alert-warning {
    color: var(--color-warning-dark);
    background-color: var(--color-warning-light);
    border: 1px solid var(--color-warning);
}

.alert-info {
    color: var(--color-info-dark);
    background-color: var(--color-info-light);
    border: 1px solid var(--color-info);
}

/* ============================================
   15. MODALS
   ============================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 100%;
    max-width: 500px;
    max-height: calc(100vh - 2rem);
    background-color: var(--color-bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-sm {
    max-width: 400px;
}

.modal-lg {
    max-width: 700px;
}

.modal-xl {
    max-width: 900px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text);
    background-color: var(--color-bg-gray);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(100vh - 12rem);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-gray);
}

/* ============================================
   16. LOADING STATES / SPINNERS
   ============================================ */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spinner-rotate 0.75s linear infinite;
}

.spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.spinner-lg {
    width: 2.5rem;
    height: 2.5rem;
    border-width: 3px;
}

.spinner-xl {
    width: 4rem;
    height: 4rem;
    border-width: 4px;
}

.spinner-white {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-text-white);
}

@keyframes spinner-rotate {
    to {
        transform: rotate(360deg);
    }
}

/* Alternative Spinner (SVG based) */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spinner-svg {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
}

.loading-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-gray) 25%,
        var(--color-border-light) 50%,
        var(--color-bg-gray) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius);
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
}

.skeleton-image {
    width: 100%;
    height: 200px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Progress Bar */
.progress {
    width: 100%;
    height: 0.5rem;
    background-color: var(--color-bg-gray);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

/* ============================================
   17. BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.125rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.4;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    color: var(--color-primary-700);
    background-color: var(--color-primary-100);
}

.badge-secondary {
    color: var(--color-secondary);
    background-color: var(--color-bg-gray);
}

.badge-success {
    color: var(--color-success-dark);
    background-color: var(--color-success-light);
}

.badge-error {
    color: var(--color-error-dark);
    background-color: var(--color-error-light);
}

.badge-warning {
    color: var(--color-warning-dark);
    background-color: var(--color-warning-light);
}

.badge-info {
    color: var(--color-info-dark);
    background-color: var(--color-info-light);
}

/* Badge Dot */
.badge-dot {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.badge-dot::before {
    content: '';
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    background-color: currentColor;
}

.badge-dot-success::before {
    background-color: var(--color-success);
}

.badge-dot-error::before {
    background-color: var(--color-error);
}

.badge-dot-warning::before {
    background-color: var(--color-warning);
}

.badge-dot-info::before {
    background-color: var(--color-info);
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.625rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius);
}

.status-badge-active {
    color: var(--color-success-dark);
    background-color: var(--color-success-light);
}

.status-badge-inactive {
    color: var(--color-text-light);
    background-color: var(--color-bg-gray);
}

.status-badge-pending {
    color: var(--color-warning-dark);
    background-color: var(--color-warning-light);
}

.status-badge-banned {
    color: var(--color-error-dark);
    background-color: var(--color-error-light);
}

/* ============================================
   18. UPLOAD AREA / DRAG AND DROP
   ============================================ */
.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.upload-area:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.upload-area.dragover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-100);
    border-style: solid;
}

.upload-area.has-file {
    border-color: var(--color-success);
    background-color: var(--color-success-light);
}

.upload-area-icon {
    width: 3rem;
    height: 3rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.upload-area-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.upload-area-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.upload-area-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
}

.upload-area-input {
    display: none;
}

/* ============================================
   19. IMAGE PREVIEW WITH CHECKERED BACKGROUND
   ============================================ */
.image-preview {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-bg-gray);
}

.image-preview-checkered {
    background-color: #ffffff;
    background-image:
        linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
        linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

.image-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.image-preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.image-preview:hover .image-preview-overlay {
    opacity: 1;
    visibility: visible;
}

.image-preview-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Comparison Slider */
.comparison-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.comparison-before,
.comparison-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.comparison-before {
    z-index: 1;
}

.comparison-after {
    z-index: 2;
    width: 50%;
    overflow: hidden;
}

.comparison-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background-color: var(--color-bg-white);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    z-index: 3;
    cursor: ew-resize;
    transform: translateX(-50%);
}

.comparison-handle::before,
.comparison-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border-style: solid;
    transform: translateY(-50%);
}

.comparison-handle::before {
    left: -8px;
    border-width: 8px 8px 8px 0;
    border-color: transparent var(--color-bg-white) transparent transparent;
}

.comparison-handle::after {
    right: -8px;
    border-width: 8px 0 8px 8px;
    border-color: transparent transparent transparent var(--color-bg-white);
}

/* ============================================
   20. CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--color-bg-gray);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-border-dark);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-bg-gray);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-text-lighter);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border-dark) var(--color-bg-gray);
}

/* ============================================
   21. UTILITY CLASSES - SPACING
   ============================================ */
/* Margin */
.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }
.m-5 { margin: var(--spacing-xl); }
.m-6 { margin: var(--spacing-2xl); }
.m-auto { margin: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }
.mt-auto { margin-top: auto; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--spacing-xs); }
.mr-2 { margin-right: var(--spacing-sm); }
.mr-3 { margin-right: var(--spacing-md); }
.mr-4 { margin-right: var(--spacing-lg); }
.mr-5 { margin-right: var(--spacing-xl); }
.mr-auto { margin-right: auto; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }
.mb-auto { margin-bottom: auto; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--spacing-xs); }
.ml-2 { margin-left: var(--spacing-sm); }
.ml-3 { margin-left: var(--spacing-md); }
.ml-4 { margin-left: var(--spacing-lg); }
.ml-5 { margin-left: var(--spacing-xl); }
.ml-auto { margin-left: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: var(--spacing-xs); margin-right: var(--spacing-xs); }
.mx-2 { margin-left: var(--spacing-sm); margin-right: var(--spacing-sm); }
.mx-3 { margin-left: var(--spacing-md); margin-right: var(--spacing-md); }
.mx-4 { margin-left: var(--spacing-lg); margin-right: var(--spacing-lg); }
.mx-5 { margin-left: var(--spacing-xl); margin-right: var(--spacing-xl); }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: var(--spacing-xs); margin-bottom: var(--spacing-xs); }
.my-2 { margin-top: var(--spacing-sm); margin-bottom: var(--spacing-sm); }
.my-3 { margin-top: var(--spacing-md); margin-bottom: var(--spacing-md); }
.my-4 { margin-top: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.my-5 { margin-top: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
.my-auto { margin-top: auto; margin-bottom: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }
.p-6 { padding: var(--spacing-2xl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }
.pt-6 { padding-top: var(--spacing-2xl); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--spacing-xs); }
.pr-2 { padding-right: var(--spacing-sm); }
.pr-3 { padding-right: var(--spacing-md); }
.pr-4 { padding-right: var(--spacing-lg); }
.pr-5 { padding-right: var(--spacing-xl); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }
.pb-6 { padding-bottom: var(--spacing-2xl); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--spacing-xs); }
.pl-2 { padding-left: var(--spacing-sm); }
.pl-3 { padding-left: var(--spacing-md); }
.pl-4 { padding-left: var(--spacing-lg); }
.pl-5 { padding-left: var(--spacing-xl); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-5 { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

/* ============================================
   22. UTILITY CLASSES - DISPLAY
   ============================================ */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }

.visible { visibility: visible; }
.invisible { visibility: hidden; }
.hidden { display: none !important; }

.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* ============================================
   23. UTILITY CLASSES - TEXT
   ============================================ */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-lowercase { text-transform: lowercase; }
.text-uppercase { text-transform: uppercase; }
.text-capitalize { text-transform: capitalize; }

.text-decoration-none { text-decoration: none; }
.text-decoration-underline { text-decoration: underline; }
.text-decoration-line-through { text-decoration: line-through; }

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-break {
    word-wrap: break-word;
    word-break: break-word;
}

.text-nowrap { white-space: nowrap; }

/* ============================================
   24. UTILITY CLASSES - POSITIONING
   ============================================ */
.position-static { position: static; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

/* ============================================
   25. UTILITY CLASSES - SIZING
   ============================================ */
.w-25 { width: 25%; }
.w-50 { width: 50%; }
.w-75 { width: 75%; }
.w-100 { width: 100%; }
.w-auto { width: auto; }

.h-25 { height: 25%; }
.h-50 { height: 50%; }
.h-75 { height: 75%; }
.h-100 { height: 100%; }
.h-auto { height: auto; }

.min-w-0 { min-width: 0; }
.min-h-0 { min-height: 0; }

.max-w-100 { max-width: 100%; }
.max-h-100 { max-height: 100%; }

/* ============================================
   26. UTILITY CLASSES - BORDERS
   ============================================ */
.border { border: 1px solid var(--color-border); }
.border-0 { border: 0; }
.border-top { border-top: 1px solid var(--color-border); }
.border-right { border-right: 1px solid var(--color-border); }
.border-bottom { border-bottom: 1px solid var(--color-border); }
.border-left { border-left: 1px solid var(--color-border); }

.rounded { border-radius: var(--radius); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }
.rounded-0 { border-radius: 0; }

/* ============================================
   27. UTILITY CLASSES - SHADOWS
   ============================================ */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ============================================
   28. UTILITY CLASSES - OVERFLOW
   ============================================ */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* ============================================
   29. UTILITY CLASSES - CURSOR
   ============================================ */
.cursor-auto { cursor: auto; }
.cursor-default { cursor: default; }
.cursor-pointer { cursor: pointer; }
.cursor-wait { cursor: wait; }
.cursor-text { cursor: text; }
.cursor-move { cursor: move; }
.cursor-not-allowed { cursor: not-allowed; }

/* ============================================
   30. UTILITY CLASSES - Z-INDEX
   ============================================ */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* ============================================
   31. PAGE-SPECIFIC STYLES - LOGIN
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-bg) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-bg) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--color-bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-header {
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

.auth-body {
    padding: var(--spacing-lg) var(--spacing-2xl) var(--spacing-2xl);
}

.auth-footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background-color: var(--color-bg-gray);
    border-top: 1px solid var(--color-border);
}

.auth-footer-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

/* Login Logo Section */
.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-icon {
    display: block;
    margin-bottom: var(--spacing-lg);
    background: none;
    width: auto;
    height: auto;
}

.logo-icon img {
    width: 280px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.logo-icon svg {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.logo-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Login Card */
.login-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.login-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.login-footer {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    margin-top: var(--spacing-lg);
}

/* ============================================
   32. PAGE-SPECIFIC STYLES - DASHBOARD
   ============================================ */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.dashboard-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.stat-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: var(--color-primary-100);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.stat-card-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

/* Welcome Section */
.welcome-section {
    margin-bottom: var(--spacing-2xl);
}

.welcome-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.welcome-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin: 0;
}

/* Tools Section */
.tools-section {
    margin-bottom: var(--spacing-2xl);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* Tool Cards */
.tool-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background-color: var(--color-bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-200);
}

.tool-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.tool-card-icon svg {
    width: 2rem;
    height: 2rem;
}

.tool-card-icon.purple {
    background-color: var(--color-primary-100);
    color: var(--color-primary);
}

.tool-card-icon.pink {
    background: linear-gradient(135deg, #FDF2F8 0%, #FCE7F3 100%);
    color: #EC4899;
}

.tool-card-icon.blue {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    color: #3B82F6;
}

.tool-card-icon.green {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    color: #10B981;
}

.tool-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.tool-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.tool-card-arrow {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-top: auto;
}

.tool-card-arrow svg {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-fast);
}

.tool-card:hover .tool-card-arrow svg {
    transform: translateX(4px);
}

/* Responsive Tool Cards */
@media (max-width: 767px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: var(--spacing-lg);
    }

    .welcome-title {
        font-size: var(--font-size-xl);
    }
}

/* ============================================
   33. PAGE-SPECIFIC STYLES - IMAGE TOOLS
   ============================================ */
.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.tool-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.tool-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.tool-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.tool-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.tool-panel {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tool-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-gray);
    border-bottom: 1px solid var(--color-border);
}

.tool-panel-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.tool-panel-body {
    padding: var(--spacing-lg);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* ============================================
   34. AVATARS
   ============================================ */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-100);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-xs {
    width: 1.5rem;
    height: 1.5rem;
    font-size: var(--font-size-xs);
}

.avatar-sm {
    width: 2rem;
    height: 2rem;
    font-size: var(--font-size-xs);
}

.avatar-lg {
    width: 3rem;
    height: 3rem;
    font-size: var(--font-size-base);
}

.avatar-xl {
    width: 4rem;
    height: 4rem;
    font-size: var(--font-size-lg);
}

.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 2px solid var(--color-bg-white);
    margin-left: -0.5rem;
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ============================================
   35. DROPDOWNS
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-xs);
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-bg-gray);
}

.dropdown-item-icon {
    width: 1rem;
    height: 1rem;
    color: var(--color-text-light);
}

.dropdown-divider {
    height: 1px;
    margin: var(--spacing-sm) 0;
    background-color: var(--color-border);
}

/* ============================================
   36. TOOLTIPS
   ============================================ */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-white);
    background-color: var(--color-secondary);
    border-radius: var(--radius);
    white-space: nowrap;
    z-index: var(--z-tooltip);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 4px;
    border-style: solid;
    border-color: var(--color-secondary) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   37. EMPTY STATE
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
}

.empty-state-icon {
    width: 4rem;
    height: 4rem;
    color: var(--color-text-lighter);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    max-width: 400px;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   38. PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.pagination-item.active {
    color: var(--color-text-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.pagination-item:disabled,
.pagination-item.disabled {
    color: var(--color-text-lighter);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ============================================
   39. TABS
   ============================================ */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.tab-item {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: -1px;
}

.tab-item:hover {
    color: var(--color-primary);
}

.tab-item.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    padding: var(--spacing-lg) 0;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* ============================================
   40. RESPONSIVE BREAKPOINTS
   ============================================ */
/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .container {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }

    .d-sm-none { display: none; }
    .d-sm-block { display: block; }
    .d-sm-flex { display: flex; }
    .d-sm-grid { display: grid; }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .container {
        padding-left: var(--spacing-xl);
        padding-right: var(--spacing-xl);
    }

    .d-md-none { display: none; }
    .d-md-block { display: block; }
    .d-md-flex { display: flex; }
    .d-md-grid { display: grid; }

    .grid-cols-md-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-md-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid-cols-md-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .d-lg-none { display: none; }
    .d-lg-block { display: block; }
    .d-lg-flex { display: flex; }
    .d-lg-grid { display: grid; }

    .grid-cols-lg-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-lg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid-cols-lg-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .d-xl-none { display: none; }
    .d-xl-block { display: block; }
    .d-xl-flex { display: flex; }
    .d-xl-grid { display: grid; }

    .grid-cols-xl-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-xl-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid-cols-xl-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .grid-cols-xl-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* Mobile-first responsive adjustments */
@media (max-width: 767px) {
    /* Typography */
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }

    /* Navbar */
    .navbar-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-bg-white);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md);
    }

    .navbar-nav.active {
        display: flex;
    }

    .navbar-toggle {
        display: flex;
    }

    /* Sidebar */
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-with-sidebar {
        margin-left: 0;
    }

    /* Tool Workspace */
    .tool-workspace {
        grid-template-columns: 1fr;
    }

    /* Modal */
    .modal {
        max-width: calc(100% - 2rem);
        margin: var(--spacing-md);
    }

    /* Button Block on Mobile */
    .btn-block-mobile {
        display: flex;
        width: 100%;
    }

    /* Login Page */
    .login-page {
        padding: var(--spacing-md);
    }

    .login-card {
        padding: var(--spacing-lg);
    }

    .logo-icon img {
        width: 150px;
        height: 150px;
    }

    .logo-icon svg {
        width: 28px;
        height: 28px;
    }

    .logo-text {
        font-size: var(--font-size-xl);
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 991px) {
    .sidebar {
        width: 80px;
    }

    .sidebar-nav-title,
    .sidebar-nav-link span {
        display: none;
    }

    .sidebar-nav-link {
        justify-content: center;
        padding: var(--spacing-md);
    }

    .main-with-sidebar {
        margin-left: 80px;
    }
}

/* ============================================
   41. PRINT STYLES
   ============================================ */
@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    .navbar,
    .sidebar,
    .btn,
    .modal,
    .alert {
        display: none !important;
    }

    .main-with-sidebar {
        margin-left: 0 !important;
    }
}

/* ============================================
   42. ACCESSIBILITY
   ============================================ */
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-light: #000000;
    }

    .btn-outline {
        border-width: 2px;
    }
}

/* Focus visible for keyboard navigation */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible,
.form-check-input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-text-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   43. APP LAYOUT - APP WRAPPER
   ============================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-bg);
}

.app-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background-color: var(--color-bg-white);
    border-right: 1px solid var(--color-border);
    z-index: var(--z-fixed);
    display: flex;
    flex-direction: column;
}

.app-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    position: fixed;
    top: 0;
    left: 260px;
    right: 0;
    height: 64px;
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: var(--z-sticky);
}

.app-content {
    flex: 1;
    padding: var(--spacing-xl);
    margin-top: 64px;
}

.app-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-bg-white);
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ============================================
   44. HEADER - FIXED TOP WITH USER DROPDOWN
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 260px;
    right: 0;
    height: 64px;
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: var(--z-sticky);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.header-breadcrumb a {
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.header-breadcrumb a:hover {
    color: var(--color-primary);
}

.header-breadcrumb-separator {
    color: var(--color-text-lighter);
}

/* User Dropdown in Header */
.user-dropdown {
    position: relative;
}

.user-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.user-dropdown-trigger:hover {
    background-color: var(--color-bg-gray);
}

.user-dropdown-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-dropdown-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.user-dropdown-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    min-width: 200px;
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    overflow: hidden;
}

.user-dropdown.active .user-dropdown-menu,
.user-dropdown:focus-within .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-gray);
}

.user-dropdown-header-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.user-dropdown-header-email {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.user-dropdown-body {
    padding: var(--spacing-sm) 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.user-dropdown-item:hover {
    background-color: var(--color-bg-gray);
}

.user-dropdown-item svg {
    width: 1rem;
    height: 1rem;
    color: var(--color-text-light);
}

.user-dropdown-item-danger {
    color: var(--color-error);
}

.user-dropdown-item-danger svg {
    color: var(--color-error);
}

.user-dropdown-item-danger:hover {
    background-color: var(--color-error-light);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    padding: var(--spacing-sm);
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: var(--color-bg-gray);
}

.mobile-menu-toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* ============================================
   45. ROLE BADGES - ADMIN, USER, ETC
   ============================================ */
.role-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.125rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: capitalize;
}

.role-badge-admin {
    color: var(--color-error-dark);
    background-color: var(--color-error-light);
}

.role-badge-user {
    color: var(--color-info-dark);
    background-color: var(--color-info-light);
}

.role-badge-moderator {
    color: var(--color-warning-dark);
    background-color: var(--color-warning-light);
}

.role-badge-guest {
    color: var(--color-text-muted);
    background-color: var(--color-bg-gray);
}

/* ============================================
   46. PASSWORD TOGGLE - SHOW/HIDE
   ============================================ */
.password-wrapper {
    position: relative;
}

.password-wrapper .form-input {
    padding-right: 44px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    color: var(--color-text-lighter);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--color-text);
}

.password-toggle svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   47. TOGGLE SWITCH
   ============================================ */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border-dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.toggle-switch-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-bg-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.toggle-switch-input:checked + .toggle-switch-slider {
    background-color: var(--color-primary);
}

.toggle-switch-input:checked + .toggle-switch-slider::before {
    transform: translateX(20px);
}

.toggle-switch-input:focus + .toggle-switch-slider {
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* Toggle Switch with Label */
.toggle-switch-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toggle-switch-label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
}

/* ============================================
   48. MAIN CONTENT AREA
   ============================================ */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    background-color: var(--color-bg);
    min-height: calc(100vh - 64px);
    margin-top: 64px;
    margin-left: 260px; /* Space for fixed sidebar */
}

.main-content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.main-content-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.main-content-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.main-content-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--spacing-xs) 0;
}

.page-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin: 0;
}

/* ============================================
   49. SEARCH BAR
   ============================================ */
.search-bar {
    position: relative;
    max-width: 400px;
}

.search-bar-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 44px;
    font-size: var(--font-size-sm);
    background-color: var(--color-bg-gray);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.search-bar-input:hover {
    background-color: var(--color-bg-white);
    border-color: var(--color-border);
}

.search-bar-input:focus {
    background-color: var(--color-bg-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.search-bar-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-lighter);
    pointer-events: none;
}

/* ============================================
   50. NOTIFICATION BADGE
   ============================================ */
.notification-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.notification-badge-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-white);
    background-color: var(--color-error);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   51. SIDEBAR MOBILE OVERLAY
   ============================================ */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   52. IMAGE RESULT CARD
   ============================================ */
.result-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.result-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.result-card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.result-card-body {
    padding: var(--spacing-lg);
}

.result-card-image {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background-color: #ffffff;
    background-image:
        linear-gradient(45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(-45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f0f0f0 75%),
        linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    border-radius: var(--radius-md);
}

.result-card-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.result-card-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-gray);
}

/* ============================================
   53. FILE INFO DISPLAY
   ============================================ */
.file-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-gray);
    border-radius: var(--radius-md);
}

.file-info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary-100);
    color: var(--color-primary);
    border-radius: var(--radius-md);
}

.file-info-icon svg {
    width: 20px;
    height: 20px;
}

.file-info-details {
    flex: 1;
}

.file-info-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    word-break: break-all;
}

.file-info-size {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.file-info-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-info-remove:hover {
    color: var(--color-error);
    background-color: var(--color-error-light);
}

/* ============================================
   54. RESPONSIVE UPDATES FOR NEW COMPONENTS
   ============================================ */
@media (max-width: 767px) {
    /* App Layout */
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .app-sidebar.active {
        transform: translateX(0);
    }

    .app-main {
        margin-left: 0;
    }

    .app-header,
    .header {
        left: 0;
    }

    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: flex;
    }

    /* User Dropdown */
    .user-dropdown-info {
        display: none;
    }

    /* Search Bar */
    .search-bar {
        max-width: 100%;
    }

    /* Main Content */
    .main-content {
        padding: var(--spacing-md);
        margin-left: 0; /* Remove sidebar margin on mobile */
    }

    .main-content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .main-content-actions {
        width: 100%;
        flex-direction: column;
    }

    .main-content-actions .btn {
        width: 100%;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    /* App Layout for Tablets */
    .app-sidebar {
        width: 80px;
    }

    .app-main {
        margin-left: 80px;
    }

    .app-header,
    .header {
        left: 80px;
    }
}

/* ============================================
   55. DARK MODE READY (CSS Variables)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Dark mode can be activated by uncommenting and adjusting these variables */
    /*
    :root {
        --color-bg: #0F172A;
        --color-bg-white: #1E293B;
        --color-bg-gray: #334155;
        --color-bg-dark: #0F172A;

        --color-text: #F8FAFC;
        --color-text-light: #94A3B8;
        --color-text-lighter: #64748B;
        --color-text-muted: #CBD5E1;

        --color-border: #334155;
        --color-border-light: #475569;
        --color-border-dark: #1E293B;
    }
    */
}

/* ============================================
   56. CONFIRMATION DIALOG
   ============================================ */
.confirm-dialog {
    text-align: center;
}

.confirm-dialog-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-full);
}

.confirm-dialog-icon-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
}

.confirm-dialog-icon-danger {
    background-color: var(--color-error-light);
    color: var(--color-error);
}

.confirm-dialog-icon-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
}

.confirm-dialog-icon svg {
    width: 32px;
    height: 32px;
}

.confirm-dialog-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.confirm-dialog-message {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.confirm-dialog-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ============================================
   57. TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 400px;
    animation: toast-slide-in 0.3s ease;
}

.toast-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

.toast-close {
    flex-shrink: 0;
    color: var(--color-text-lighter);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--color-text);
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-error .toast-icon {
    color: var(--color-error);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-info .toast-icon {
    color: var(--color-info);
}

@keyframes toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   55. TOOL PAGE SPECIFIC STYLES
   ============================================ */

/* Enhanced Page Header with Icon */
.page-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.page-header-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.page-header-content {
    flex: 1;
}

/* Tool Grid Layout */
.tool-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .tool-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Tool Card (Enhanced) */
.tool-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.tool-card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tool-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-secondary);
    margin: 0;
}

.tool-card-body {
    padding: var(--spacing-lg);
}

/* Dropzone Styles */
.dropzone {
    border: 2px dashed var(--color-border-dark);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background-color: var(--color-bg);
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dropzone-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--color-bg-gray);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.dropzone-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    margin: 0;
}

.dropzone-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
    margin-top: var(--spacing-xs);
}

.dropzone-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    margin: 0;
    margin-top: var(--spacing-md);
}

/* Preview Input Styles */
.preview-input {
    margin-top: var(--spacing-md);
}

.preview-image-container {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-bg-gray);
}

.preview-image {
    width: 100%;
    height: 16rem;
    object-fit: contain;
}

.preview-remove-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 2rem;
    height: 2rem;
    background-color: var(--color-bg-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.preview-remove-btn:hover {
    background-color: var(--color-error-light);
    color: var(--color-error);
}

.file-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

/* Upscale Options */
.upscale-options {
    margin-top: var(--spacing-lg);
}

.option-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.option-item {
    cursor: pointer;
}

.option-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-fast);
}

.option-item:hover .option-card {
    border-color: var(--color-border-dark);
}

.option-item input:checked + .option-card {
    border-color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.option-icon {
    margin: 0 auto var(--spacing-sm);
    color: var(--color-text-light);
}

.option-item input:checked + .option-card .option-icon {
    color: var(--color-primary);
}

.option-value {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-secondary);
}

.option-desc {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    margin-top: var(--spacing-xs);
}

/* Result States */
.result-state {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
}

.result-state.empty-state {
    background-color: var(--color-bg);
}

.result-state.processing-state {
    border-color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.result-state.error-state {
    border-color: var(--color-error);
    background-color: var(--color-error-light);
}

.state-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.empty-state .state-icon {
    background-color: var(--color-bg-gray);
    color: var(--color-text-lighter);
}

.processing-state .state-icon {
    background-color: var(--color-primary);
    color: var(--color-text-white);
}

.processing-state .state-icon.processing {
    animation: pulse 1.5s ease-in-out infinite;
}

.error-state .state-icon {
    background-color: var(--color-error-light);
    color: var(--color-error);
}

.state-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-lighter);
    margin: 0;
}

.state-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-primary);
    margin: 0;
}

.state-title.error {
    color: var(--color-error);
}

.state-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: var(--spacing-xs) 0 0;
}

.state-timer {
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    margin: var(--spacing-sm) 0 0;
}

.retry-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    transition: color var(--transition-fast);
}

.retry-btn:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Processing Time Display */
.processing-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Result Preview */
.result-preview {
    display: block;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.comparison-item {
    text-align: center;
}

.comparison-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-sm);
}

.comparison-image-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background-color: var(--color-bg-gray);
}

.comparison-image {
    width: 100%;
    height: 12rem;
    object-fit: contain;
}

/* Result Info */
.result-info {
    background-color: var(--color-bg-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.result-info-item {
    font-size: var(--font-size-sm);
}

.result-info-label {
    color: var(--color-text-light);
}

.result-info-value {
    font-weight: 500;
    color: var(--color-secondary);
    margin-left: var(--spacing-xs);
}

/* Result Actions */
.result-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn-flex-grow {
    flex: 1;
}

/* Animations */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Hidden Utility */
.hidden {
    display: none !important;
}

/* ============================================
   ADDITIONAL UTILITY CLASSES
   ============================================ */

/* Checkered Background for Transparency Preview */
.checkered-bg {
    background-image:
        linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
        linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #ffffff;
}

/* Preview Container */
.preview-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-bg-gray);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.preview-container.checkered-bg {
    background-image:
        linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
        linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #ffffff;
}

/* ============================================
   GENERIC NAVIGATION STYLES
   ============================================ */

/* Generic Nav Link */
.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-primary-100);
}

.nav-link svg,
.nav-link-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

/* Generic Nav Section */
.nav-section {
    margin-bottom: var(--spacing-lg);
}

/* Generic Nav Section Title */
.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   67. SIDEBAR BRAND (LOGO)
   ============================================ */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
}

.sidebar-brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.sidebar-brand-icon svg {
    width: 20px;
    height: 20px;
}

.sidebar-brand-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

/* ============================================
   68. SIDEBAR STATUS (GPU SERVER)
   ============================================ */
.sidebar-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-gray);
    border-radius: var(--radius-md);
}

.sidebar-status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-success);
    flex-shrink: 0;
    animation: pulse 2s ease-in-out infinite;
}

.sidebar-status-indicator.offline {
    background-color: var(--color-error);
    animation: none;
}

.sidebar-status-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-status-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-light);
}

.sidebar-status-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   69. USER DROPDOWN AVATAR
   ============================================ */
.user-dropdown-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    flex-shrink: 0;
}

.user-dropdown-arrow {
    width: 16px;
    height: 16px;
    color: var(--color-text-light);
    transition: transform var(--transition-fast);
}

.user-dropdown.active .user-dropdown-arrow {
    transform: rotate(180deg);
}

/* ============================================
   70. MOBILE MENU TOGGLE
   ============================================ */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: var(--color-bg-gray);
}

.mobile-menu-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--color-text);
}

@media (max-width: 991px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

/* ============================================
   71. DROPDOWN ITEM DANGER
   ============================================ */
.dropdown-item-danger {
    color: var(--color-error) !important;
}

.dropdown-item-danger:hover {
    background-color: var(--color-error-light) !important;
}

.dropdown-item-danger .dropdown-item-icon {
    color: var(--color-error);
}

/* ============================================
   72. MAIN CONTENT WITH SIDEBAR LAYOUT
   ============================================ */
@media (min-width: 992px) {
    .main-content {
        margin-left: 260px;
    }
}

@media (max-width: 991px) {
    .main-content {
        margin-left: 0;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }
}

/* ============================================
   70. ADMIN PANEL STYLES
   ============================================ */

/* Modal Overlay (alternative to backdrop) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop, 1040);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal, 0.3s);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay .modal {
    position: relative;
    top: auto;
    left: auto;
    transform: scale(0.95);
    opacity: 1;
    visibility: visible;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

/* Page Header with Actions */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl, 1.5rem);
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header-info h2 {
    font-size: var(--font-size-xl, 1.25rem);
    font-weight: 700;
    color: var(--color-text, #1f2937);
    margin: 0 0 0.25rem 0;
}

.page-header-info p {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-light, #6b7280);
    margin: 0;
}

/* Table Wrapper */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Table Empty State */
.table-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--color-text-muted, #9ca3af);
}

.table-empty svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.table-empty p {
    margin: 0;
    font-size: var(--font-size-sm, 0.875rem);
}

/* User Cell in Table */
.user-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-cell-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary, #6366F1), #8B5CF6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.user-cell-info {
    display: flex;
    flex-direction: column;
}

.user-cell-name {
    font-weight: 500;
    color: var(--color-text, #1f2937);
}

.user-cell-you {
    font-size: 0.75rem;
    color: var(--color-primary, #6366F1);
    font-weight: 500;
}

/* Actions Cell */
.actions-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md, 0.375rem);
    border: none;
    background: transparent;
    color: var(--color-text-light, #6b7280);
    cursor: pointer;
    transition: all var(--transition-fast, 0.15s);
}

.action-btn:hover {
    background: var(--color-bg-gray, #f3f4f6);
    color: var(--color-text, #1f2937);
}

.action-btn.danger:hover {
    background: var(--color-error-light, #fef2f2);
    color: var(--color-error, #ef4444);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full, 9999px);
}

.badge svg {
    flex-shrink: 0;
}

.badge-admin {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.badge-user {
    background: rgba(99, 102, 241, 0.1);
    color: #6366F1;
}

.badge-active {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.badge-inactive {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border, #e5e7eb);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    font-size: 0.875rem;
    color: var(--color-text-light, #6b7280);
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pagination-btn,
.pagination-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border-radius: var(--radius-md, 0.375rem);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light, #6b7280);
    text-decoration: none;
    transition: all var(--transition-fast, 0.15s);
}

.pagination-btn:hover,
.pagination-page:hover {
    background: var(--color-bg-gray, #f3f4f6);
    color: var(--color-text, #1f2937);
}

.pagination-page.active {
    background: var(--color-primary, #6366F1);
    color: white;
}

/* Form Row (2 columns) */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Form Control (unified input styling) */
.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--color-text, #1f2937);
    background-color: var(--color-bg-white, #ffffff);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: var(--radius-md, 0.375rem);
    transition: border-color var(--transition-fast, 0.15s), box-shadow var(--transition-fast, 0.15s);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary, #6366F1);
    box-shadow: 0 0 0 3px var(--color-primary-100, rgba(99, 102, 241, 0.1));
}

.form-control::placeholder {
    color: var(--color-text-muted, #9ca3af);
}

.form-control.error {
    border-color: var(--color-error, #ef4444);
}

.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Form Hint */
.form-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted, #9ca3af);
    margin-top: 0.25rem;
}

/* Form Error */
.form-error {
    font-size: 0.75rem;
    color: var(--color-error, #ef4444);
    margin-top: 0.25rem;
    display: none;
}

.form-error.show {
    display: block;
}

/* Required indicator */
.required {
    color: var(--color-error, #ef4444);
}

/* Delete Modal Styles */
.modal-delete-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.modal-delete-title {
    font-size: 1.125rem;
    font-weight: 600;
    text-align: center;
    color: var(--color-text, #1f2937);
    margin: 0 0 0.5rem 0;
}

.modal-delete-message {
    font-size: 0.875rem;
    text-align: center;
    color: var(--color-text-light, #6b7280);
    margin: 0 0 1.5rem 0;
}

.modal-delete-actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

/* Button Danger */
.btn-danger {
    background-color: var(--color-error, #ef4444);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

/* SVG Size Utilities */
.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }
.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }

/* ============================================
   END OF STYLESHEET
   ============================================ */