/* ═══════════════════════════════════════════════════════════════════════
   Newspaper CMS — Modern Design System
   Subject: Historical Christian newspaper archive (1906-1914)
   Direction: Warm archival aesthetic + modern glass morphism + smooth motion
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── TOKENS ─── */
:root {
    /* Palette — warm sepia archive */
    --ink: #2c1810;
    --ink-light: #5a4a3a;
    --paper: #fefcf8;
    --paper-warm: #f5f1e9;
    --paper-deep: #ebe4d8;
    --sepia: #8B4513;
    --sepia-dark: #5D2906;
    --sepia-light: #A0522D;
    --amber: #D2691E;
    --amber-glow: #FF8C00;
    --green: #2E8B57;
    --red: #DC2626;
    
    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: 20px;
    
    /* Shadows */
    --shadow-xs: 0 1px 3px rgba(44, 24, 16, 0.06);
    --shadow-sm: 0 4px 12px rgba(44, 24, 16, 0.08);
    --shadow-md: 0 8px 24px rgba(44, 24, 16, 0.12);
    --shadow-lg: 0 16px 48px rgba(44, 24, 16, 0.16);
    --shadow-xl: 0 24px 64px rgba(44, 24, 16, 0.2);
    --shadow-glow: 0 0 40px rgba(139, 69, 19, 0.15);
    
    /* Radius */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 24px;
    --r-full: 9999px;
    
    /* Spacing scale */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
    --sp-20: 80px;
    
    /* Type scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Motion */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.27, 1.55);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
}

/* Dark mode */
.dark {
    --ink: #f5e8d0;
    --ink-light: #d4c4a8;
    --paper: #1a1209;
    --paper-warm: #2c2418;
    --paper-deep: #3d2e1c;
    --sepia: #D2691E;
    --sepia-dark: #A0522D;
    --sepia-light: #E89A5E;
    --amber: #FF8C00;
    --amber-glow: #FFB347;
    --glass-bg: rgba(26, 18, 9, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(210, 105, 30, 0.2);
}

/* ─── RESET & BASE ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    font-size: var(--text-base);
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--ink);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* ─── UTILITY ─── */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

@media (max-width: 768px) {
    .container { padding: 0 var(--sp-4); }
}

/* ─── HEADER / HERO ─── */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--sepia-dark) 0%, var(--sepia) 50%, var(--amber) 100%);
    padding: var(--sp-20) var(--sp-6) var(--sp-16);
    text-align: center;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--paper), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--r-full);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--sp-6);
    animation: fadeInDown 0.8s var(--ease) both;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: white;
    margin-bottom: var(--sp-6);
    letter-spacing: -0.02em;
    line-height: 1.1;
    animation: fadeInUp 0.8s var(--ease) 0.1s both;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.85);
    max-width: 600px;
    margin: 0 auto var(--sp-10);
    font-weight: 300;
    line-height: 1.6;
    animation: fadeInUp 0.8s var(--ease) 0.2s both;
}

/* ─── SEARCH ─── */
.search-container {
    max-width: 640px;
    margin: 0 auto;
    animation: fadeInUp 0.8s var(--ease) 0.3s both;
}

.search-box {
    display: flex;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--r-full);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--duration-normal) var(--ease);
}

.search-box:focus-within {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(255,255,255,0.4);
}

.search-input {
    flex: 1;
    padding: var(--sp-5) var(--sp-6);
    border: none;
    background: transparent;
    font-size: var(--text-lg);
    color: white;
    outline: none;
    font-family: inherit;
}

.search-input::placeholder { color: rgba(255,255,255,0.5); }

.search-btn {
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    padding: var(--sp-5) var(--sp-8);
    cursor: pointer;
    font-size: var(--text-base);
    font-weight: 600;
    transition: all var(--duration-normal) var(--ease);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    white-space: nowrap;
    font-family: inherit;
    border-left: 1px solid rgba(255,255,255,0.15);
}

.search-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* ─── STATS ─── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
    margin: calc(-1 * var(--sp-12)) auto var(--sp-16);
    position: relative;
    z-index: 10;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: var(--sp-8) var(--sp-6);
    text-align: center;
    transition: all var(--duration-normal) var(--ease);
    box-shadow: var(--shadow-md);
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--sepia), var(--amber));
    border-radius: var(--r-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--sp-4);
    color: white;
    font-size: 1.4rem;
    box-shadow: 0 4px 12px rgba(139, 69, 19, 0.3);
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--sepia);
    line-height: 1;
    margin-bottom: var(--sp-1);
    font-family: 'Playfair Display', serif;
}

.stat-label {
    color: var(--ink-light);
    font-size: var(--text-sm);
    font-weight: 500;
}

@media (max-width: 768px) {
    .stats-bar { grid-template-columns: repeat(2, 1fr); margin-top: calc(-1 * var(--sp-8)); }
}
@media (max-width: 480px) {
    .stats-bar { grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
    .stat-card { padding: var(--sp-5) var(--sp-4); }
}

/* ─── NAVIGATION ─── */
.main-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: var(--sp-2);
    margin-bottom: var(--sp-12);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: var(--sp-4);
    z-index: 100;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: var(--sp-1);
    flex-wrap: wrap;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--r-full);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--ink-light);
    transition: all var(--duration-fast) var(--ease);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--sepia);
    background: rgba(139, 69, 19, 0.08);
}

.nav-link.active {
    color: white;
    background: linear-gradient(135deg, var(--sepia), var(--amber));
    box-shadow: 0 2px 8px rgba(139, 69, 19, 0.3);
}

.nav-link i { font-size: 0.9em; }

@media (max-width: 768px) {
    .nav-links { overflow-x: auto; justify-content: flex-start; padding: 0 var(--sp-2); }
    .nav-link { padding: var(--sp-2) var(--sp-4); font-size: var(--text-xs); }
}

/* ─── SECTIONS ─── */
.section { margin-bottom: var(--sp-20); }

.section-header {
    text-align: center;
    margin-bottom: var(--sp-10);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--sepia);
    margin-bottom: var(--sp-3);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--sepia), var(--amber));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--ink-light);
    font-size: var(--text-lg);
    margin-top: var(--sp-4);
}

/* ─── ACCORDION ─── */
.accordion-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    margin-bottom: var(--sp-4);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease);
}

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

.accordion-header {
    background: linear-gradient(135deg, var(--sepia), var(--sepia-dark));
    color: white;
    padding: var(--sp-6) var(--sp-8);
    cursor: pointer;
    font-size: var(--text-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--duration-normal) var(--ease);
    user-select: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

.accordion-header:hover {
    background: linear-gradient(135deg, var(--sepia-light), var(--sepia));
}

.accordion-header i {
    font-size: 0.8em;
    transition: transform var(--duration-normal) var(--ease-bounce);
    opacity: 0.8;
}

.accordion-header.open i { transform: rotate(180deg); }

.accordion-body {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease), padding var(--duration-slow) var(--ease);
}

.accordion-body.open {
    max-height: 5000px;
    padding: var(--sp-6);
}

.title-count {
    font-size: var(--text-sm);
    opacity: 0.8;
    font-weight: 400;
    margin-left: var(--sp-3);
}

/* Year sub-accordion */
.year-accordion-item {
    background: var(--paper-warm);
    border-radius: var(--r-lg);
    margin-bottom: var(--sp-3);
    overflow: hidden;
    border: 1px solid var(--border);
}

.year-accordion-header {
    background: linear-gradient(135deg, var(--sepia-light), var(--sepia));
    color: white;
    padding: var(--sp-4) var(--sp-5);
    cursor: pointer;
    font-size: var(--text-base);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--duration-fast) var(--ease);
    user-select: none;
    border: none;
    width: 100%;
    text-align: left;
    font-weight: 600;
}

.year-accordion-header:hover { filter: brightness(1.1); }

.year-accordion-header i {
    transition: transform var(--duration-normal) var(--ease-bounce);
    font-size: 0.8em;
}

.year-accordion-header.open i { transform: rotate(180deg); }

.year-accordion-body {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease);
}

.year-accordion-body.open { max-height: 3000px; }

.year-newspapers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--sp-5);
    padding: var(--sp-5);
}

/* ─── NEWSPAPER CARDS ─── */
.newspaper-card {
    background: var(--paper);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    position: relative;
}

.newspaper-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

.newspaper-cover {
    height: 160px;
    background: linear-gradient(135deg, var(--sepia), var(--amber));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    padding: var(--sp-5);
    text-align: center;
    font-family: 'Playfair Display', serif;
}

.newspaper-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.08"><rect width="100" height="100" fill="none" stroke="white" stroke-width="1"/></svg>');
}

.newspaper-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.2));
}

.issue-badge {
    position: absolute;
    top: var(--sp-3);
    right: var(--sp-3);
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    color: white;
    font-weight: 700;
    font-size: var(--text-xs);
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--r-full);
    z-index: 2;
    line-height: 1.4;
    text-align: center;
}

.month-badge {
    position: absolute;
    top: var(--sp-3);
    left: var(--sp-3);
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    color: white;
    font-size: var(--text-xs);
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--r-full);
    z-index: 2;
}

.newspaper-body {
    padding: var(--sp-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.newspaper-title {
    font-size: var(--text-lg);
    color: var(--sepia);
    margin-bottom: var(--sp-3);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.newspaper-meta {
    color: var(--ink-light);
    font-size: var(--text-sm);
    margin-bottom: var(--sp-4);
    flex: 1;
}

.meta-row {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-1);
}

.meta-row i {
    width: 16px;
    color: var(--sepia);
    font-size: 0.85em;
}

.read-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-5);
    background: linear-gradient(135deg, var(--sepia), var(--amber));
    color: white;
    border: none;
    border-radius: var(--r-full);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--duration-normal) var(--ease);
    cursor: pointer;
    width: 100%;
    text-decoration: none;
    font-family: inherit;
    box-shadow: 0 2px 8px rgba(139, 69, 19, 0.2);
}

.read-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(139, 69, 19, 0.3);
    filter: brightness(1.05);
}

/* ─── YEARS GRID ─── */
.years-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--sp-4);
}

.year-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--sp-8) var(--sp-5);
    text-align: center;
    border-radius: var(--r-xl);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease);
    text-decoration: none;
    color: var(--ink);
    position: relative;
    overflow: hidden;
}

.year-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--sepia), var(--amber));
    transform: scaleX(0);
    transition: transform var(--duration-normal) var(--ease);
}

.year-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--sepia);
}

.year-card:hover::before { transform: scaleX(1); }

.year-number {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--sepia);
    font-family: 'Playfair Display', serif;
    margin-bottom: var(--sp-1);
}

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

/* ─── CATEGORIES ─── */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-5);
}

.category-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    padding: var(--sp-8);
    border-radius: var(--r-xl);
    text-align: center;
    transition: all var(--duration-normal) var(--ease);
    text-decoration: none;
    color: var(--ink);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--sepia), var(--amber));
    transform: scaleX(0);
    transition: transform var(--duration-normal) var(--ease);
    transform-origin: left;
}

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

.category-card:hover::before { transform: scaleX(1); }

.category-name {
    font-size: var(--text-xl);
    color: var(--sepia);
    margin-bottom: var(--sp-3);
    font-weight: 600;
}

.category-count {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--ink);
    font-family: 'Playfair Display', serif;
    margin-bottom: var(--sp-1);
}

/* ─── THEME TOGGLE ─── */
.theme-toggle {
    position: fixed;
    bottom: var(--sp-8);
    right: var(--sp-8);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sepia), var(--amber));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--duration-normal) var(--ease);
    border: none;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-xl);
}

/* ─── FOOTER ─── */
.footer {
    background: var(--paper-warm);
    margin-top: var(--sp-20);
    padding: var(--sp-16) 0 var(--sp-8);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--sp-10);
    margin-bottom: var(--sp-10);
}

.footer-col h3 {
    color: var(--sepia);
    margin-bottom: var(--sp-5);
    font-size: var(--text-lg);
}

.footer-links {
    display: flex;
    flex-direction: row;
    gap: var(--sp-4);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--ink-light);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    transition: all var(--duration-fast) var(--ease);
    font-size: var(--text-sm);
    white-space: nowrap;
}

.footer-links a:hover {
    color: var(--sepia);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--sp-8);
    border-top: 1px solid var(--border);
    color: var(--ink-light);
    font-size: var(--text-sm);
}

/* ─── EMPTY STATE ─── */
.empty-state {
    text-align: center;
    padding: var(--sp-16) var(--sp-6);
    color: var(--ink-light);
}

.empty-state i {
    font-size: 4rem;
    color: var(--border);
    margin-bottom: var(--sp-5);
    display: block;
}

/* ─── ANIMATIONS ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
    .hero { min-height: 60vh; padding: var(--sp-16) var(--sp-4) var(--sp-12); }
    .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
    .search-box { flex-direction: column; border-radius: var(--r-xl); }
    .search-input, .search-btn { width: 100%; padding: var(--sp-4) var(--sp-5); }
    .search-btn { justify-content: center; border-left: none; border-top: 1px solid rgba(255,255,255,0.15); }
    .accordion-header { padding: var(--sp-4) var(--sp-5); font-size: var(--text-lg); }
    .year-newspapers-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
    .theme-toggle { bottom: var(--sp-5); right: var(--sp-5); width: 44px; height: 44px; }
}

@media (max-width: 480px) {
    .years-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: 1fr; }
}

/* ─── PRINT ─── */
@media print {
    .theme-toggle, .main-nav, .search-container, .footer { display: none; }
    .accordion-body { max-height: none !important; padding: var(--sp-4) !important; }
    .year-accordion-body { max-height: none !important; }
}

/* ─── 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; }
    .reveal { opacity: 1; transform: none; }
}

/* ─── SEARCH HIGHLIGHTING ─── */
mark, .search-highlight, mark.exact, mark.root {
    background: linear-gradient(135deg, #FFD54F, #FFC107);
    color: #1a1209;
    padding: 1px 5px;
    border-radius: 4px;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(255, 193, 7, 0.3);
}

mark.exact {
    background: linear-gradient(135deg, #FFEB3B, #FFC107);
    box-shadow: 0 1px 4px rgba(255, 235, 59, 0.4);
}

mark.root {
    background: linear-gradient(135deg, #FFC107, #FF9800);
    box-shadow: 0 1px 3px rgba(255, 152, 0, 0.3);
}

/* Search results page */
.search-result-title mark,
.search-result-snippet mark {
    background: #FFD54F;
    color: #1a1209;
    padding: 0 3px;
    border-radius: 3px;
}

/* ─── TOAST NOTIFICATIONS ─── */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--ink);
    color: var(--paper);
    padding: var(--sp-3) var(--sp-6);
    border-radius: var(--r-full);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    font-size: var(--text-sm);
    font-weight: 500;
    opacity: 0;
    transition: all var(--duration-normal) var(--ease);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}