/* =============================================
   DrawKids — Components Styles
   Hero, Cards, Filters, Gallery, Profile, etc.
   ============================================= */

/* ===== Hero Section ===== */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-4);
    background: linear-gradient(135deg, var(--primary-50) 0%, #E0EFFF 50%, var(--secondary-50) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-8);
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 500px;
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: 900;
    margin-bottom: var(--space-2);
}

.wave {
    display: inline-block;
    animation: wave 2s ease-in-out infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
}

.hero-subtitle {
    font-size: var(--text-2xl);
    color: var(--primary-500);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.hero-desc {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.hero-cta {
    font-size: var(--text-lg);
}

.hero-illustration {
    position: relative;
    margin-top: var(--space-6);
    width: 200px;
    height: 200px;
}

.hero-mascot {
    animation: float 3s ease-in-out infinite;
}

.mascot-svg {
    filter: drop-shadow(0 8px 16px rgba(77, 150, 255, 0.3));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* عناصر زخرفية */
.hero-float {
    position: absolute;
    font-size: 1.5rem;
    animation: floatSlow 4s ease-in-out infinite;
}

.float-1 { top: 0; right: -20px; animation-delay: 0s; }
.float-2 { bottom: 20px; left: -10px; animation-delay: 1s; }
.float-3 { top: 40px; left: -30px; animation-delay: 2s; }

@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(10deg); }
}

/* ===== Categories Grid ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-4);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    text-align: center;
    transition: all var(--duration-medium) var(--ease-standard);
    -webkit-tap-highlight-color: transparent;
}

.category-card:hover,
.category-card:focus-visible {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--cat-color, var(--primary-500));
}

.category-card:active {
    transform: translateY(-1px);
}

.category-icon {
    font-size: 2.5rem;
    line-height: 1;
    transition: transform var(--duration-fast) var(--ease-bouncy);
}

.category-card:hover .category-icon {
    transform: scale(1.2);
}

.category-name {
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.category-count {
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: 600;
}

/* ===== Daily Lesson Card ===== */
.daily-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-medium) var(--ease-standard);
}

.daily-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.daily-card-image {
    position: relative;
    height: 180px;
    background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.daily-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.daily-card-placeholder {
    font-size: 4rem;
    opacity: 0.5;
}

.daily-badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: var(--secondary-300);
    color: var(--gray-800);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
}

.daily-card-body {
    padding: var(--space-4);
}

.daily-category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--space-1);
}

.daily-title {
    font-size: var(--text-xl);
    font-weight: 800;
    margin-bottom: var(--space-1);
}

.daily-summary {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.daily-meta {
    display: flex;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

.daily-btn {
    width: 100%;
}

/* ===== Lesson Card ===== */
.lessons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.lesson-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-medium) var(--ease-standard);
}

.lesson-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.lesson-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

.lesson-card-image {
    position: relative;
    height: 160px;
    background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.lesson-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-standard);
}

.lesson-card:hover .lesson-card-image img {
    transform: scale(1.05);
}

.lesson-card-placeholder {
    font-size: 3.5rem;
    opacity: 0.4;
}

.lesson-card-level {
    position: absolute;
    top: var(--space-2);
    left: var(--space-2);
    background: rgba(255, 255, 255, 0.95);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
}

.lesson-card-body {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.lesson-card-category {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--cat-color, var(--primary-500));
    margin-bottom: var(--space-1);
}

.lesson-card-title {
    font-size: var(--text-lg);
    font-weight: 800;
    margin-bottom: var(--space-1);
}

.lesson-card-summary {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lesson-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    margin-top: auto;
}

.meta-divider {
    color: var(--gray-300);
}

.lesson-card-btn {
    width: 100%;
}

/* ===== Search ===== */
.search-form {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.search-input {
    flex: 1;
    height: 48px;
    padding: 0 var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    background: var(--bg-surface);
    transition: border-color var(--duration-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-500);
}

.search-btn {
    flex-shrink: 0;
}

/* ===== Filters ===== */
.filters {
    margin-bottom: var(--space-6);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-surface);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
    white-space: nowrap;
    min-height: 40px;
}

.filter-chip:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.filter-chip.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: var(--text-inverse);
}

/* ===== Results ===== */
.results-count {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    font-weight: 600;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-4);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.empty-state-lg {
    padding: var(--space-16) var(--space-4);
}

.empty-icon,
.empty-illustration {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--space-4);
    opacity: 0.7;
}

.empty-state h2,
.empty-state h3 {
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* ===== Gallery ===== */
.gallery-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.gallery-preview-item {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.gallery-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 2rem;
    background: var(--gray-50);
}

.gallery-preview-stars {
    position: absolute;
    bottom: var(--space-2);
    right: var(--space-2);
    font-size: var(--text-xs);
}

/* Gallery Page */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.gallery-item {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-medium) var(--ease-standard);
}

.gallery-item:hover {
    box-shadow: var(--shadow-md);
}

.gallery-item-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--gray-50);
}

.gallery-item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-item-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 2.5rem;
}

.gallery-item-stars {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: rgba(255, 255, 255, 0.95);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
}

.gallery-item-body {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.gallery-item-lesson {
    font-size: var(--text-sm);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-item-date {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.gallery-item-actions {
    display: flex;
    gap: var(--space-2);
    padding: 0 var(--space-3) var(--space-3);
}

/* ===== Profile ===== */
.profile-header {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    font-size: 3rem;
    background: var(--bg-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-3);
    box-shadow: var(--shadow-md);
}

.profile-name {
    font-size: var(--text-2xl);
    font-weight: 900;
    margin-bottom: var(--space-1);
}

.profile-level {
    color: var(--primary-500);
    font-weight: 700;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.stat-card {
    text-align: center;
    padding: var(--space-4);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-value {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 900;
    color: var(--primary-500);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: 600;
}

.profile-section {
    margin-bottom: var(--space-6);
}

.profile-section-title {
    font-size: var(--text-lg);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

/* Badges */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.badge-card {
    text-align: center;
    padding: var(--space-3);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-fast);
}

.badge-card.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.badge-card.unlocked {
    background: var(--secondary-50);
    border: 2px solid var(--secondary-300);
}

.badge-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--space-1);
}

.badge-name {
    display: block;
    font-size: var(--text-xs);
    font-weight: 700;
    margin-bottom: var(--space-1);
}

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

/* Settings */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.setting-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    min-height: 56px;
}

.setting-icon {
    font-size: 1.25rem;
}

.setting-name {
    flex: 1;
    font-weight: 600;
    font-size: var(--text-sm);
}

.setting-btn {
    width: 100%;
    text-align: right;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: background var(--duration-fast);
}

.setting-btn:hover {
    background: var(--gray-50);
}

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

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 30px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    border-radius: 30px;
    transition: all var(--duration-medium) var(--ease-standard);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 24px;
    width: 24px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--duration-medium) var(--ease-bouncy);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-500);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-switch input:focus-visible + .toggle-slider {
    outline: 3px solid var(--primary-500);
    outline-offset: 2px;
}

.profile-about {
    text-align: center;
    padding: var(--space-6);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
}

.profile-version {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-2);
}

/* ===== Error Page ===== */
.error-page {
    text-align: center;
    padding: var(--space-16) var(--space-4);
    max-width: 500px;
    margin: 0 auto;
}

.error-illustration {
    font-size: 5rem;
    margin-bottom: var(--space-4);
}

.error-code {
    font-size: 5rem;
    font-weight: 900;
    color: var(--primary-500);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.error-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.error-message {
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    font-size: var(--text-lg);
}

.error-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (min-width: 480px) {
    .gallery-preview-grid,
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .hero {
        flex-direction: row;
        text-align: right;
        padding: var(--space-12);
        gap: var(--space-8);
    }

    .hero-content {
        flex: 1;
    }

    .hero-illustration {
        flex-shrink: 0;
        margin-top: 0;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }

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

    .daily-card {
        flex-direction: row;
    }

    .daily-card-image {
        width: 300px;
        height: auto;
        min-height: 200px;
        flex-shrink: 0;
    }

    .gallery-preview-grid,
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .badges-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (min-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .lessons-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}