/**
 * responsive.css - 반응형 스타일
 * 짧은 영어 명언 - Mobile First Responsive Design
 * 위치: /assets/css/responsive.css
 */

/* ============================================
   Large Desktop (1400px+)
   ============================================ */
@media screen and (min-width: 1400px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    .hero-quote {
        max-width: 900px;
    }

    .quotes-masonry {
        columns: 4;
    }
}

/* ============================================
   Desktop (1200px - 1399px)
   ============================================ */
@media screen and (max-width: 1399px) {
    :root {
        --container-max: 1200px;
    }

    .quotes-masonry {
        columns: 3;
    }

    .footer-top {
        grid-template-columns: 1fr 2fr;
    }
}

/* ============================================
   Laptop (992px - 1199px)
   ============================================ */
@media screen and (max-width: 1199px) {
    :root {
        --container-max: 960px;
    }

    /* Typography */
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    h3 { font-size: var(--text-2xl); }

    .section-title {
        font-size: var(--text-3xl);
    }

    /* Navigation */
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .nav-label {
        display: none;
    }

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

    /* Quote Cards */
    .quote-english {
        font-size: var(--text-xl);
    }

    .quote-card--large .quote-english {
        font-size: var(--text-2xl);
    }

    /* Footer */
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-column:last-child {
        grid-column: span 3;
    }
}

/* ============================================
   Tablet (768px - 991px)
   ============================================ */
@media screen and (max-width: 991px) {
    :root {
        --container-max: 720px;
        --header-height: 60px;
    }

    /* Header */
    .main-nav {
        display: none;
    }

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

    /* Layout */
    .quotes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .quotes-masonry {
        columns: 2;
    }

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

    .hero-title {
        font-size: var(--text-4xl);
    }

    /* Footer */
    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .footer-column:last-child {
        grid-column: span 2;
    }

    /* Slider */
    .slider-container {
        padding: 0 var(--spacing-md);
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Team Grid */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* FAQ */
    .faq-item {
        padding: var(--spacing-md);
    }
}

/* ============================================
   Mobile Large (576px - 767px)
   ============================================ */
@media screen and (max-width: 767px) {
    :root {
        --container-max: 540px;
        --spacing-3xl: 48px;
        --spacing-2xl: 32px;
    }

    /* Typography */
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    h3 { font-size: var(--text-xl); }

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

    .section-subtitle {
        font-size: var(--text-base);
    }

    /* Header */
    .header-container {
        padding: 0 var(--spacing-md);
    }

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

    .logo-text {
        display: none;
    }

    .logo-icon {
        font-size: 1.75rem;
    }

    /* Search Panel */
    .search-panel {
        padding: var(--spacing-md);
    }

    .search-suggestions {
        display: none;
    }

    /* Quote Cards */
    .quotes-grid {
        grid-template-columns: 1fr;
    }

    .quotes-masonry {
        columns: 1;
    }

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

    .quote-english {
        font-size: var(--text-lg);
    }

    .quote-card--large .quote-english {
        font-size: var(--text-xl);
    }

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

    .quote-actions {
        flex-wrap: wrap;
    }

    /* Hero */
    .hero-section {
        padding: var(--spacing-2xl) 0;
        min-height: calc(100vh - var(--header-height));
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* Slider */
    .slider-wrapper {
        gap: var(--spacing-md);
    }

    .slide {
        min-width: 280px;
        padding: var(--spacing-lg);
    }

    .slider-nav {
        display: none;
    }

    .slider-dots {
        bottom: var(--spacing-md);
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    /* Footer */
    .footer-top {
        gap: var(--spacing-xl);
    }

    .footer-brand {
        text-align: center;
        align-items: center;
    }

    .footer-stats {
        justify-content: center;
    }

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

    .footer-column:last-child {
        grid-column: span 1;
    }

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

    /* Forms */
    .form-input,
    .form-textarea,
    .form-select {
        padding: var(--spacing-md);
        font-size: 16px; /* Prevent iOS zoom */
    }

    /* Buttons */
    .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }

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

    /* Toast */
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
    }

    .toast {
        width: 100%;
    }

    /* Back to Top */
    .back-to-top {
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        width: 44px;
        height: 44px;
    }

    /* Team */
    .team-grid {
        grid-template-columns: 1fr;
    }

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

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    /* Contact Form */
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }

    /* Category Page */
    .category-header {
        padding: var(--spacing-xl) 0;
    }

    .category-tags {
        justify-content: center;
    }

    /* Create Quote Page */
    .create-form {
        padding: var(--spacing-lg);
    }

    .word-input-group {
        flex-direction: column;
    }

    /* Daily Quote */
    .daily-quote-card {
        padding: var(--spacing-xl);
    }

    .daily-quote-text {
        font-size: var(--text-2xl);
    }

    /* Ranking */
    .ranking-tabs {
        flex-wrap: wrap;
    }

    .ranking-tab {
        flex: 1;
        min-width: 100px;
    }

    /* Page Header */
    .page-header {
        padding: var(--spacing-2xl) 0;
    }

    .page-title {
        font-size: var(--text-3xl);
    }

    /* About Page */
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    /* FAQ */
    .faq-question {
        font-size: var(--text-base);
    }

    /* Review Cards */
    .review-card {
        padding: var(--spacing-lg);
    }

    /* News Cards */
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Mobile Small (< 576px)
   ============================================ */
@media screen and (max-width: 575px) {
    :root {
        --spacing-xl: 24px;
        --spacing-2xl: 28px;
        --spacing-3xl: 36px;
    }

    /* Container */
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Typography */
    h1 { font-size: var(--text-2xl); }
    h2 { font-size: var(--text-xl); }

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

    /* Header */
    .search-toggle {
        display: none;
    }

    /* Hero */
    .hero-title {
        font-size: var(--text-2xl);
    }

    .hero-daily-quote {
        padding: var(--spacing-md);
    }

    /* Quote Cards */
    .quote-card {
        padding: var(--spacing-md);
    }

    .quote-english {
        font-size: var(--text-base);
    }

    .quote-card--large .quote-english {
        font-size: var(--text-lg);
    }

    /* Footer */
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-column:last-child {
        grid-column: span 1;
    }

    .footer-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-stats .stat-item {
        align-items: center;
    }

    /* Pagination */
    .pagination-list {
        gap: var(--spacing-xs);
    }

    .pagination-list li a {
        min-width: 36px;
        height: 36px;
        padding: 0 var(--spacing-sm);
        font-size: var(--text-xs);
    }

    .pagination-prev span,
    .pagination-next span {
        display: none;
    }

    /* Category Tags */
    .category-tags {
        gap: var(--spacing-xs);
    }

    .category-tag {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--text-xs);
    }

    /* Mobile Nav */
    .mobile-nav {
        max-width: 100%;
    }

    /* Loading */
    .loading-logo {
        transform: scale(0.9);
    }

    /* Daily Quote */
    .daily-quote-text {
        font-size: var(--text-xl);
    }

    /* Create Form */
    .create-section {
        padding: var(--spacing-lg) 0;
    }

    /* Privacy/Terms */
    .legal-content {
        padding: var(--spacing-lg);
    }

    .legal-content h2 {
        font-size: var(--text-lg);
    }
}

/* ============================================
   Landscape Mode Adjustments
   ============================================ */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .loading-screen {
        padding: var(--spacing-lg);
    }

    .loading-nebula {
        width: 200px;
        height: 200px;
    }
}

/* ============================================
   High DPI Displays
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .quote-card {
        border-width: 0.5px;
    }
}

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

    html {
        scroll-behavior: auto;
    }

    .loading-screen {
        display: none;
    }

    .cosmic-canvas,
    .nebula-overlay,
    .star-field {
        animation: none;
    }
}

/* ============================================
   Dark/Light Mode (System Preference)
   ============================================ */
@media (prefers-color-scheme: light) {
    /* This site is dark-themed by design (Spotify style)
       but we can add light mode overrides here if needed */
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .site-header,
    .site-footer,
    .mobile-nav,
    .mobile-nav-overlay,
    .back-to-top,
    .toast-container,
    .loading-screen,
    .bg-effects,
    .search-panel,
    .quote-actions {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .site-main {
        padding-top: 0;
    }

    .quote-card {
        background: #fff;
        border: 1px solid #ddd;
        box-shadow: none;
        page-break-inside: avoid;
    }

    .quote-english {
        color: #000;
    }

    .quote-korean {
        color: #333;
    }

    .quote-author cite {
        color: #666;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .btn {
        display: none;
    }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .quote-card:hover {
        transform: none;
        box-shadow: none;
    }

    .btn:hover {
        transform: none;
    }

    .nav-link:hover {
        background: transparent;
    }

    /* Increase touch targets */
    .nav-link,
    .mobile-nav-link {
        padding: var(--spacing-md);
    }

    .like-btn,
    .share-btn,
    .copy-btn {
        min-width: 44px;
        min-height: 44px;
    }

    /* Add active states instead */
    .btn:active {
        transform: scale(0.98);
    }

    .quote-card:active {
        background: var(--bg-card-hover);
    }
}

/* ============================================
   Safe Area Insets (Notched Devices)
   ============================================ */
@supports (padding: env(safe-area-inset-bottom)) {
    .site-header {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .site-footer {
        padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
    }

    .mobile-nav {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .toast-container {
        bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
    }

    .back-to-top {
        bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
        right: calc(var(--spacing-xl) + env(safe-area-inset-right));
    }
}

/* ============================================
   iOS Specific Fixes
   ============================================ */
@supports (-webkit-touch-callout: none) {
    /* Fix 100vh on iOS */
    .hero-section {
        min-height: -webkit-fill-available;
    }

    /* Prevent pull-to-refresh */
    body {
        overscroll-behavior-y: none;
    }

    /* Fix input zoom on iOS */
    input[type="text"],
    input[type="email"],
    input[type="search"],
    input[type="tel"],
    textarea,
    select {
        font-size: 16px;
    }
}