/* ==========================================================================
   ColorUniverse - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #ec4899;
    --color-secondary-dark: #db2777;

    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;

    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-bg-dark: #f3f4f6;

    --color-border: #e5e7eb;
    --color-border-dark: #d1d5db;

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;

    /* 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;

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

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

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1rem;

    /* Header */
    --header-height: 70px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 100;
    transition: top var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--spacing-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text);
    text-decoration: none;
}

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

.logo-image {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-icon {
    font-size: 1.5em;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex: 1;
    justify-content: flex-end;
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-bg-alt);
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown-icon {
    transition: transform var(--transition-fast);
}

.has-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 50;
}

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

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

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

/* Search Form */
.search-form {
    display: flex;
    align-items: center;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.search-form:focus-within {
    border-color: var(--color-primary);
}

.search-input {
    border: none;
    background: transparent;
    padding: var(--spacing-sm) var(--spacing-md);
    width: 200px;
    font-size: var(--font-size-sm);
    outline: none;
}

.search-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.search-button:hover {
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all var(--transition-fast);
}

.hamburger {
    top: 50%;
    transform: translate(-50%, -50%);
}

.hamburger::before,
.hamburger::after {
    content: '';
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* Mobile menu open state */
.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: translateX(-50%) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: translateX(-50%) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary) 100%);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-search {
    max-width: 500px;
    margin: 0 auto;
}

.hero-search .search-form {
    background: white;
    border-color: white;
}

.hero-search .search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section {
    padding: var(--spacing-3xl) 0;
}

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

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

.section-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-primary);
}

.section-link:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Drawing Grid
   -------------------------------------------------------------------------- */
.drawing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.drawing-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.drawing-card:hover {
    border-color: var(--color-primary);
}

.drawing-card-image {
    position: relative;
    display: block;
    background: var(--color-bg-alt);
}

.drawing-card-image img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: contain;
    padding: var(--spacing-md);
}

.drawing-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.drawing-card-image:hover .drawing-card-overlay {
    display: flex;
}

.drawing-card-overlay .btn {
    padding: var(--spacing-sm) var(--spacing-md);
}

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

.drawing-card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drawing-card-title a {
    color: inherit;
}

.drawing-card-title a:hover {
    color: var(--color-primary);
}

.drawing-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.drawing-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* --------------------------------------------------------------------------
   Category Grid
   -------------------------------------------------------------------------- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.category-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.category-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.category-card:hover .category-icon {
    background: var(--color-primary);
    color: white;
}

.category-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.category-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

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

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

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

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

.btn-white:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-icon {
    padding: var(--spacing-sm);
}

/* --------------------------------------------------------------------------
   Drawing Detail Page
   -------------------------------------------------------------------------- */
.drawing-detail {
    padding: var(--spacing-2xl) 0;
}

.drawing-detail-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.drawing-preview {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.drawing-preview img {
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.drawing-info {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
}

.drawing-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.drawing-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.drawing-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.drawing-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.download-options {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.download-options h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

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

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

.download-btn-size {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.download-btn:hover .download-btn-size {
    color: rgba(255,255,255,0.8);
}

.drawing-tags {
    margin-bottom: var(--spacing-lg);
}

.drawing-tags h3 {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-alt);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-primary);
    color: white;
}

.color-online-btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

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

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

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

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    margin-top: var(--spacing-2xl);
    display: flex;
    justify-content: center;
}

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

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

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

.pagination-ellipsis {
    padding: 0 var(--spacing-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Alerts
   -------------------------------------------------------------------------- */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--color-text);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-description {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.copyright {
    color: rgba(255,255,255,0.5);
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    color: white;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
}

/* --------------------------------------------------------------------------
   Online Coloring Page
   -------------------------------------------------------------------------- */
.coloring-page {
    height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
}

.coloring-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.color-palette {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-swatch:hover,
.color-swatch.active {
    transform: scale(1.1);
    border-color: var(--color-text);
}

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

.brush-size {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.brush-size:hover,
.brush-size.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.tool-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.coloring-canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    overflow: auto;
    padding: var(--spacing-md);
}

#coloring-canvas {
    background: white;
    box-shadow: var(--shadow-xl);
    cursor: crosshair;
}

/* --------------------------------------------------------------------------
   Forms (for admin/search)
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

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

.empty-state-text {
    margin-bottom: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .drawing-detail-grid {
        grid-template-columns: 1fr;
    }

    .drawing-info {
        position: static;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        width: 100%;
        justify-content: space-between;
    }

    /* Disable hover dropdown on mobile - use click instead */
    .has-dropdown:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
        display: none;
    }

    .has-dropdown .dropdown-menu {
        position: static;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        box-shadow: none;
        border: none;
        background: var(--color-bg-alt);
        border-radius: var(--radius-md);
        margin-top: var(--spacing-sm);
        display: none;
        padding: var(--spacing-sm) 0;
    }

    .has-dropdown.open .dropdown-menu {
        display: block !important;
    }

    /* Make dropdown links easily tappable on mobile */
    .dropdown-menu li a {
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 48px;
        display: block;
    }

    .search-form {
        width: 100%;
        margin-top: var(--spacing-lg);
    }

    .search-input {
        width: 100%;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .drawing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* Mobile: Hide overlay buttons, make entire card clickable */
    .drawing-card-overlay {
        display: none !important;
    }

    .drawing-card-image {
        pointer-events: auto;
    }

    /* Category cards: disable hover effects on mobile */
    .category-card {
        cursor: pointer;
        transform: none !important;
        transition: none !important;
    }

    .category-card:hover,
    .category-card:focus,
    .category-card:active {
        transform: none !important;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .drawing-grid {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .coloring-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .color-palette {
        justify-content: center;
    }

    .brush-sizes {
        justify-content: center;
    }

    .tool-buttons {
        justify-content: center;
    }
}

/* --------------------------------------------------------------------------
   Content Pages (About, Contact, Privacy, Terms, Cookies)
   -------------------------------------------------------------------------- */
.content-page {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.content-page h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.content-page h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.content-page h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.content-page p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.content-page ul, .content-page ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
    color: var(--color-text-light);
}

.content-page li {
    margin-bottom: var(--spacing-sm);
    list-style: disc;
}

.content-page ol li {
    list-style: decimal;
}

.content-page a {
    color: var(--color-primary);
    text-decoration: underline;
}

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

.contact-form {
    max-width: 500px;
    margin-top: var(--spacing-xl);
}

/* Cookie table */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0 var(--spacing-xl);
    font-size: var(--font-size-sm);
}

.cookie-table th,
.cookie-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border: 1px solid var(--color-border);
}

.cookie-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-text);
}

.cookie-table td {
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Advertisements
   -------------------------------------------------------------------------- */
.ad-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--spacing-lg) 0;
}

.ad-banner {
    min-height: 90px;
    width: 100%;
}

.ad-rectangle {
    min-height: 250px;
    max-width: 336px;
}

.ad-infeed {
    min-height: 250px;
}

.ad-placeholder {
    color: var(--color-text-lighter);
    font-size: var(--font-size-sm);
}

.ad-placeholder span {
    padding: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Affiliate Products
   -------------------------------------------------------------------------- */
.affiliate-section {
    background: var(--color-bg-alt);
}

.section-subtitle {
    color: var(--color-text-light);
    margin-top: calc(var(--spacing-sm) * -1);
    margin-bottom: var(--spacing-xl);
}

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

.affiliate-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.affiliate-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.affiliate-card-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: white;
}

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

.affiliate-card-body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.affiliate-card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.affiliate-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.affiliate-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.affiliate-card-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.affiliate-card-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: #f59e0b;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.affiliate-btn {
    width: 100%;
    text-align: center;
}

.affiliate-disclosure {
    text-align: center;
    color: var(--color-text-lighter);
    margin-top: var(--spacing-xl);
}

/* Affiliate Sidebar Widget */
.affiliate-widget {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.affiliate-widget-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.affiliate-widget-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.affiliate-widget-item:last-of-type {
    border-bottom: none;
}

.affiliate-widget-item:hover {
    background: var(--color-bg-alt);
}

.affiliate-widget-item img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.affiliate-widget-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.affiliate-widget-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.affiliate-widget-price {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 600;
}

.affiliate-disclosure-small {
    text-align: center;
    color: var(--color-text-lighter);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* --------------------------------------------------------------------------
   Cookie Consent Banner
   -------------------------------------------------------------------------- */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-text);
    color: white;
    padding: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    justify-content: center;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-consent-content {
    max-width: var(--container-max);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cookie-consent-content p {
    margin: 0;
    flex: 1;
    min-width: 300px;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.cookie-consent-content a {
    color: var(--color-primary-light);
}

.cookie-consent-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-consent .btn-outline {
    border-color: white;
    color: white;
}

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

@media (max-width: 768px) {
    .cookie-consent-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-consent-content p {
        min-width: auto;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */

/* Print header - hidden on screen, visible on print */
.print-header {
    display: none;
}

@media print {
    /* Hide everything except the drawing and print header */
    .site-header,
    .site-footer,
    .breadcrumb,
    .download-options,
    .drawing-tags,
    .color-online-btn,
    .section-link,
    .drawing-info,
    .drawing-title,
    .drawing-meta,
    .drawing-description,
    .drawing-detail-grid > *:not(.drawing-preview),
    section.section,
    .ad-container,
    .partner-ads-banner,
    .pin-it-button,
    [class*="adsbygoogle"],
    ins.adsbygoogle {
        display: none !important;
    }

    body {
        background: white !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    main {
        padding: 0 !important;
        margin: 0 !important;
    }

    .container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* Show print header */
    .print-header {
        display: block !important;
        text-align: center;
        padding: 20px 0;
        margin-bottom: 10px;
    }

    .print-logo {
        max-width: 200px;
        height: auto;
        margin: 0 auto 10px;
    }

    .print-url {
        font-size: 14pt;
        color: #666;
        margin: 0;
        font-family: var(--font-family);
    }

    .drawing-detail {
        padding: 0 !important;
    }

    .drawing-detail-grid {
        display: block !important;
    }

    .drawing-preview {
        border: none !important;
        padding: 20px !important;
        background: white !important;
        text-align: center;
        position: relative;
    }

    .drawing-preview img {
        max-width: 100%;
        max-height: 70vh;
        width: auto;
        height: auto;
        page-break-inside: avoid;
        margin: 0 auto;
    }

    /* Remove the old CSS-based footer since we now have HTML header */
    .drawing-preview::after {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Language Switcher
   -------------------------------------------------------------------------- */
.language-switcher {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--color-border);
}

.lang-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.lang-link:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
}

.lang-link.active {
    background-color: var(--color-primary);
    color: white;
}

.lang-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.lang-flag svg {
    display: block;
    box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.lang-code {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Language dropdown style */
.language-dropdown {
    position: relative;
    margin-left: var(--spacing-md);
}

.lang-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-dropdown-toggle:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    min-width: 140px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    list-style: none;
    padding: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

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

.lang-dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.lang-dropdown-menu li a:hover {
    background-color: var(--color-bg-alt);
}

/* Mobile language switcher */
@media (max-width: 768px) {
    .language-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: var(--spacing-md);
        margin-top: var(--spacing-md);
        border-top: 1px solid var(--color-border);
        justify-content: center;
    }

    .lang-link {
        padding: 8px 16px;
    }
}