/* =========================================
   বইঘর - Complete Design System
   ========================================= */

/* Google Font already loaded in layout */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;

    --bg: #f8fafc;
    --bg-2: #f1f5f9;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --border: #e2e8f0;
    --border-2: #cbd5e1;

    --text: #0f172a;
    --text-2: #334155;
    --text-3: #64748b;
    --text-4: #94a3b8;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,.25);

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --header-h: 130px;
    --transition: all 0.25s cubic-bezier(.4,0,.2,1);
    --font: 'Hind Siliguri', sans-serif;
    --font-serif: 'Noto Serif Bengali', serif;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-2: #1e293b;
    --surface: #1e293b;
    --surface-2: #0f172a;
    --border: #334155;
    --border-2: #475569;
    --text: #f1f5f9;
    --text-2: #cbd5e1;
    --text-3: #94a3b8;
    --text-4: #64748b;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
    --shadow: 0 4px 6px -1px rgba(0,0,0,.4);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,.5);
}

/* ======= RESET ======= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ======= PRELOADER ======= */
#preloader {
    position: fixed; inset: 0; background: var(--primary);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; transition: opacity 0.5s;
}
#preloader.hidden { opacity: 0; pointer-events: none; }
.spinner {
    width: 50px; height: 50px;
    border: 4px solid rgba(255,255,255,.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ======= LAYOUT ======= */
.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
.main-content { flex: 1; padding-top: var(--header-h); }

/* ======= HEADER ======= */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
    display: flex; align-items: center; gap: 16px;
    padding: 12px 0;
}

/* Logo */
.logo {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.6rem; font-weight: 700;
    color: var(--text); flex-shrink: 0;
}
.logo-icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.1rem;
    box-shadow: 0 4px 14px rgba(99,102,241,.4);
}
.logo .accent { color: var(--primary); }

/* Search */
.search-form { flex: 1; max-width: 550px; }
.search-wrapper { position: relative; }
.search-input {
    width: 100%; padding: 10px 50px 10px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-full);
    background: var(--bg-2); color: var(--text);
    font-size: .95rem; font-family: var(--font);
    transition: var(--transition);
}
.search-input:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,.15);
    background: var(--surface);
}
.search-btn {
    position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
    width: 38px; height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-full);
    color: white; font-size: .9rem;
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.search-btn:hover { transform: translateY(-50%) scale(1.05); }

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.icon-btn {
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-2); color: var(--text-2);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; transition: var(--transition);
    position: relative;
}
.icon-btn:hover { background: var(--primary); color: white; }
.icon-btn .badge {
    position: absolute; top: -4px; right: -4px;
    background: var(--danger); color: white;
    font-size: .65rem; font-weight: 700;
    width: 18px; height: 18px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--surface);
}

/* User Dropdown */
.user-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px 6px 6px;
    border-radius: var(--radius-full);
    background: var(--bg-2); color: var(--text);
    transition: var(--transition); font-size: .9rem;
}
.user-btn:hover { background: var(--primary-light); }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary); }
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; top: calc(100% + 8px); right: 0;
    min-width: 220px; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); z-index: 200;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: var(--transition);
}
.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-header {
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 4px;
}
.dropdown-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; color: var(--text-2);
    font-size: .9rem; transition: var(--transition);
    width: 100%; text-align: left;
}
.dropdown-item:hover { background: var(--bg-2); color: var(--primary); }
.dropdown-item i { width: 16px; text-align: center; }
.dropdown-divider { border-top: 1px solid var(--border); margin: 4px 0; }
.points-badge {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--accent); font-size: .8rem; font-weight: 600;
}

/* Navigation */
.main-nav { padding-bottom: 8px; }
.nav-list { display: flex; gap: 4px; align-items: center; }
.nav-list > li { position: relative; }
.nav-list > li > a {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 12px; border-radius: var(--radius-sm);
    font-size: .9rem; font-weight: 500; color: var(--text-2);
    transition: var(--transition);
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
    background: rgba(99,102,241,.1); color: var(--primary);
}

/* Mega Menu */
.mega-menu {
    position: absolute; top: 100%; left: -80px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow-xl);
    padding: 16px; min-width: 520px; z-index: 200;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: var(--transition);
}
.dropdown-nav:hover .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-menu-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.mega-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    font-size: .88rem; color: var(--text-2); transition: var(--transition);
}
.mega-item:hover { background: rgba(99,102,241,.1); color: var(--primary); }
.mega-icon {
    width: 30px; height: 30px; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: .8rem; flex-shrink: 0;
}

/* Mobile Nav */
.mobile-menu-btn { display: none; }
@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; }
    .search-form { display: none; }
    .main-nav { display: none; }
    .main-nav.open { display: block; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-list > li > a { border-radius: 0; border-bottom: 1px solid var(--border); }
    .mega-menu { position: static; box-shadow: none; border: none; opacity: 1; visibility: visible; transform: none; padding: 8px 0 8px 20px; min-width: auto; }
    .mega-menu-grid { grid-template-columns: repeat(2, 1fr); }
    --header-h: 70px;
    .header-inner { padding: 8px 0; }
}

/* ======= BUTTONS ======= */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-size: .9rem; font-weight: 600; font-family: var(--font);
    transition: var(--transition); cursor: pointer; border: none;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white; box-shadow: 0 4px 14px rgba(99,102,241,.4);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99,102,241,.5); }
.btn-outline-primary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline-primary:hover { background: var(--primary); color: white; }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 7px 14px; font-size: .85rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius); }
.btn-block { width: 100%; justify-content: center; }

/* ======= HERO BANNER ======= */
.hero-section { background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%); overflow: hidden; }
.hero-swiper { position: relative; }
.swiper-slide { height: 420px; position: relative; display: flex; align-items: center; }
.hero-slide-content {
    position: relative; z-index: 2;
    display: flex; align-items: center; gap: 50px;
    padding: 40px 0; width: 100%;
}
.hero-text { flex: 1; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,.15); color: rgba(255,255,255,.9);
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: .8rem; margin-bottom: 12px; backdrop-filter: blur(4px);
}
.hero-title {
    font-family: var(--font-serif); font-size: 2.2rem; font-weight: 700;
    color: white; line-height: 1.3; margin-bottom: 10px;
}
.hero-author { color: rgba(255,255,255,.7); font-size: .95rem; margin-bottom: 20px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-book-cover {
    flex-shrink: 0; width: 200px;
    transform: rotate(-3deg) translateY(-10px);
    filter: drop-shadow(0 20px 40px rgba(0,0,0,.5));
    transition: transform 0.4s;
}
.hero-book-cover:hover { transform: rotate(0deg) translateY(-15px); }
.hero-book-cover img { border-radius: 8px; height: 280px; width: 200px; object-fit: cover; }
.swiper-pagination-bullet { background: rgba(255,255,255,.5); }
.swiper-pagination-bullet-active { background: white; }

/* ======= SECTION ======= */
.section { padding: 50px 0; }
.section-sm { padding: 30px 0; }
.section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px;
}
.section-title {
    font-size: 1.4rem; font-weight: 700; color: var(--text);
    display: flex; align-items: center; gap: 10px;
}
.section-title::before {
    content: ''; display: block;
    width: 4px; height: 22px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 4px;
}
.section-link { color: var(--primary); font-size: .9rem; font-weight: 600; }
.section-link:hover { text-decoration: underline; }

/* ======= BOOK CARD ======= */
.books-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 20px; }
.books-grid-wide { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.book-card {
    background: var(--surface); border-radius: var(--radius);
    border: 1px solid var(--border); overflow: hidden;
    transition: var(--transition); position: relative;
    cursor: pointer;
}
.book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.book-card-cover {
    position: relative; aspect-ratio: 3/4; overflow: hidden;
    background: var(--bg-2);
}
.book-card-cover img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s;
}
.book-card:hover .book-card-cover img { transform: scale(1.05); }
.book-format-badge {
    position: absolute; top: 8px; right: 8px;
    background: rgba(99,102,241,.9); color: white;
    font-size: .7rem; font-weight: 700;
    padding: 2px 7px; border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
}
.book-card-favorite {
    position: absolute; top: 8px; left: 8px;
    width: 30px; height: 30px;
    background: rgba(255,255,255,.9); color: var(--text-3);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .8rem;
    opacity: 0; transition: var(--transition);
}
.book-card:hover .book-card-favorite { opacity: 1; }
.book-card-favorite.active { color: var(--danger); }
.book-card-body { padding: 12px; }
.book-card-title {
    font-size: .92rem; font-weight: 600; color: var(--text);
    margin-bottom: 4px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.book-card-author { font-size: .8rem; color: var(--text-3); margin-bottom: 6px; }
.book-card-rating { display: flex; align-items: center; gap: 4px; }
.stars { color: var(--accent); font-size: .75rem; }
.rating-num { font-size: .78rem; color: var(--text-3); }
.book-card-dl {
    font-size: .75rem; color: var(--text-4);
    display: flex; align-items: center; gap: 3px; margin-top: 2px;
}

/* Swiper Books */
.books-swiper .swiper-slide { width: 175px; }

/* ======= CATEGORY CARDS ======= */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
.category-card {
    background: var(--surface); border-radius: var(--radius);
    border: 1px solid var(--border); padding: 20px 16px;
    text-align: center; transition: var(--transition); cursor: pointer;
}
.category-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--cat-color, var(--primary)); }
.cat-icon {
    width: 56px; height: 56px; border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin: 0 auto 12px;
    transition: var(--transition);
}
.category-card:hover .cat-icon { transform: scale(1.1); }
.cat-name { font-size: .9rem; font-weight: 600; color: var(--text); }
.cat-count { font-size: .78rem; color: var(--text-3); margin-top: 3px; }

/* ======= BOOK DETAIL PAGE ======= */
.book-detail-section { padding: 40px 0; }
.book-detail-grid { display: grid; grid-template-columns: 280px 1fr; gap: 40px; }
.book-cover-wrap {
    position: sticky; top: calc(var(--header-h) + 20px);
    align-self: start;
}
.book-cover-main {
    width: 100%; border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-xl);
}
.book-cover-main img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.book-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.book-share-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.share-btn {
    flex: 1; min-width: 44px; height: 40px;
    border-radius: var(--radius-sm); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem; transition: var(--transition);
}
.share-btn:hover { transform: translateY(-2px); }
.share-fb { background: #1877f2; }
.share-wa { background: #25d366; }
.share-tg { background: #229ed9; }
.share-tw { background: #1da1f2; }

.book-info-title { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; margin-bottom: 6px; }
.book-info-author { color: var(--primary); font-size: 1.05rem; margin-bottom: 16px; }
.book-rating-display { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.book-rating-stars { font-size: 1.2rem; color: var(--accent); }
.book-rating-count { color: var(--text-3); font-size: .9rem; }
.book-meta-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
.book-meta-item {
    background: var(--bg-2); border-radius: var(--radius-sm);
    padding: 12px; border: 1px solid var(--border);
}
.book-meta-label { font-size: .75rem; color: var(--text-3); margin-bottom: 3px; }
.book-meta-value { font-size: .92rem; font-weight: 600; color: var(--text); }
.book-description { color: var(--text-2); line-height: 1.8; margin-bottom: 20px; }

/* ======= FORMS ======= */
.form-card {
    background: var(--surface); border-radius: var(--radius-lg);
    border: 1px solid var(--border); padding: 32px;
    box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: .9rem; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.form-control, .form-select {
    width: 100%; padding: 11px 14px;
    border: 2px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-2); color: var(--text);
    font-size: .95rem; font-family: var(--font);
    transition: var(--transition);
}
.form-control:focus, .form-select:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,.12);
    background: var(--surface);
}
.form-control.is-invalid { border-color: var(--danger); }
.invalid-feedback { color: var(--danger); font-size: .82rem; margin-top: 4px; display: block; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check-input { width: 16px; height: 16px; accent-color: var(--primary); }

/* Auth Pages */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 40px 16px;
    background: linear-gradient(135deg, #1e1b4b, #312e81);
}
.auth-card {
    width: 100%; max-width: 440px;
    background: var(--surface); border-radius: var(--radius-xl);
    padding: 40px; box-shadow: var(--shadow-xl);
}
.auth-logo { text-align: center; margin-bottom: 24px; }
.auth-logo .logo { justify-content: center; font-size: 2rem; }
.auth-title { text-align: center; font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.auth-subtitle { text-align: center; color: var(--text-3); font-size: .9rem; margin-bottom: 28px; }
.auth-divider { text-align: center; color: var(--text-3); font-size: .85rem; margin: 18px 0; position: relative; }
.auth-divider::before, .auth-divider::after {
    content: ''; position: absolute; top: 50%; width: calc(50% - 30px); height: 1px; background: var(--border);
}
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }
.auth-footer { text-align: center; margin-top: 20px; color: var(--text-3); font-size: .9rem; }
.auth-footer a { color: var(--primary); font-weight: 600; }

/* ======= USER PAGES ======= */
.user-page-layout { display: grid; grid-template-columns: 260px 1fr; gap: 30px; padding: 40px 0; }
.user-sidebar {
    background: var(--surface); border-radius: var(--radius-lg);
    border: 1px solid var(--border); overflow: hidden;
    align-self: start; position: sticky; top: calc(var(--header-h) + 20px);
}
.user-sidebar-header { padding: 24px; text-align: center; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; }
.user-avatar-lg { width: 80px; height: 80px; border-radius: 50%; border: 3px solid rgba(255,255,255,.5); object-fit: cover; margin: 0 auto 12px; }
.user-points-display { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.2); padding: 4px 14px; border-radius: var(--radius-full); font-size: .9rem; margin-top: 6px; }
.user-nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 20px; color: var(--text-2); font-size: .92rem;
    border-bottom: 1px solid var(--border); transition: var(--transition);
}
.user-nav-link:hover, .user-nav-link.active { background: rgba(99,102,241,.08); color: var(--primary); padding-left: 24px; }
.user-nav-link i { width: 18px; }

/* ======= WALLET ======= */
.wallet-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-lg); padding: 28px; color: white; margin-bottom: 24px;
    position: relative; overflow: hidden;
}
.wallet-card::before {
    content: ''; position: absolute; top: -40px; right: -40px;
    width: 160px; height: 160px;
    background: rgba(255,255,255,.08); border-radius: 50%;
}
.wallet-balance { font-size: 2.5rem; font-weight: 700; }
.wallet-label { opacity: .8; font-size: .9rem; }

/* ======= REWARD SECTION ======= */
.reward-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.reward-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px; text-align: center;
    transition: var(--transition);
}
.reward-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
.reward-icon { font-size: 2rem; margin-bottom: 10px; }
.reward-pts { font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.reward-name { font-size: .88rem; color: var(--text-3); }

/* ======= ALERT TOAST ======= */
.alert-toast {
    position: fixed; top: calc(var(--header-h) + 16px); right: 16px;
    padding: 14px 20px; border-radius: var(--radius);
    background: var(--success); color: white;
    font-weight: 600; z-index: 5000;
    box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 8px;
    animation: slideInRight 0.3s ease, fadeOut 0.4s 3.5s ease forwards;
    max-width: 340px;
}
.alert-toast.error { background: var(--danger); }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; pointer-events: none; } }

/* ======= FOOTER ======= */
.site-footer {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.footer-top { padding: 50px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-logo { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; }
.footer-col p { color: var(--text-3); font-size: .9rem; line-height: 1.7; }
.footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-3); font-size: .9rem; transition: var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--primary); }
.social-links { display: flex; gap: 10px; margin-top: 16px; }
.social-links a {
    width: 38px; height: 38px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-3);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.social-links a:hover { background: var(--primary); color: white; border-color: var(--primary); }
.footer-bottom { padding: 16px 0; border-top: 1px solid var(--border); text-align: center; }
.footer-bottom p { color: var(--text-3); font-size: .88rem; }

/* Telegram Join */
.telegram-join-btn {
    display: flex; align-items: center; gap: 10px;
    background: #229ed9; color: white; padding: 12px 16px;
    border-radius: var(--radius); font-weight: 600; font-size: .9rem;
    transition: var(--transition);
}
.telegram-join-btn:hover { background: #1a8bbf; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(34,158,217,.4); }

/* Install Button */
.install-btn {
    margin-top: 12px; width: 100%;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--primary); color: white; padding: 10px;
    border-radius: var(--radius-sm); font-weight: 600; font-size: .9rem;
    transition: var(--transition);
}
.install-btn:hover { background: var(--primary-dark); }

/* ======= FLOATING ACTIONS ======= */
.floating-actions {
    position: fixed; bottom: 24px; right: 20px;
    display: flex; flex-direction: column; gap: 10px; z-index: 900;
}
.fab-btn {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; transition: var(--transition);
    box-shadow: var(--shadow-lg); color: white;
}
.fab-btn.telegram { background: #229ed9; }
.fab-btn.scroll-top { background: var(--primary); opacity: 0; }
.fab-btn.scroll-top.visible { opacity: 1; }
.fab-btn:hover { transform: scale(1.1); }

/* ======= STAR RATING ======= */
.star-rating { display: flex; gap: 2px; cursor: pointer; }
.star-rating .star { font-size: 1.5rem; color: var(--border-2); transition: var(--transition); }
.star-rating .star.active { color: var(--accent); }

/* ======= BADGES & PILLS ======= */
.badge-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: var(--radius-full);
    font-size: .75rem; font-weight: 600;
}
.badge-primary { background: rgba(99,102,241,.12); color: var(--primary); }
.badge-success { background: rgba(16,185,129,.12); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.12); color: var(--accent); }
.badge-danger { background: rgba(239,68,68,.12); color: var(--danger); }

/* ======= STAT CARD ======= */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.stat-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px;
    display: flex; align-items: center; gap: 16px; transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-icon {
    width: 52px; height: 52px; border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; flex-shrink: 0;
}
.stat-num { font-size: 1.6rem; font-weight: 700; }
.stat-label { color: var(--text-3); font-size: .85rem; }

/* ======= PAGINATION ======= */
.pagination-wrap { display: flex; justify-content: center; gap: 6px; margin-top: 32px; flex-wrap: wrap; }
.page-btn {
    min-width: 38px; height: 38px; padding: 0 10px;
    border-radius: var(--radius-sm); font-size: .9rem;
    background: var(--surface); border: 1px solid var(--border);
    color: var(--text); transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.page-btn:hover { background: var(--primary); color: white; border-color: var(--primary); }
.page-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

/* ======= READING MODE ======= */
.reading-mode body { background: #faf8f3; }
[data-theme="dark"] .reading-mode body { background: #1a1a2e; }

/* ======= TABLE ======= */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { background: var(--bg-2); color: var(--text-2); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; }
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--text-2); font-size: .9rem; }
.data-table tr:hover td { background: rgba(99,102,241,.04); }

/* ======= EMPTY STATE ======= */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state i { font-size: 4rem; color: var(--text-4); margin-bottom: 16px; }
.empty-state h3 { font-size: 1.2rem; color: var(--text-2); margin-bottom: 8px; }
.empty-state p { color: var(--text-3); font-size: .9rem; }

/* ======= QR CODE MODAL ======= */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000; opacity: 0; visibility: hidden; transition: var(--transition);
    backdrop-filter: blur(4px);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
    background: var(--surface); border-radius: var(--radius-xl);
    padding: 32px; max-width: 400px; width: 90%;
    box-shadow: var(--shadow-xl); transform: scale(.9); transition: var(--transition);
}
.modal-overlay.open .modal-box { transform: scale(1); }
.modal-close { position: absolute; top: 12px; right: 12px; }

/* ======= UTILS ======= */
.d-none { display: none; }
.d-md-inline { display: none; }
.d-md-block { display: none; }
.text-center { text-align: center; }
.text-muted { color: var(--text-3); }
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: 6px; }
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 20px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 6px; }
.mb-2 { margin-bottom: 12px; }
.mb-3 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 32px; }
.gap-2 { gap: 12px; }
.w-100 { width: 100%; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

@media (min-width: 768px) {
    .d-md-inline { display: inline; }
    .d-md-block { display: block; }
}

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .book-detail-grid { grid-template-columns: 220px 1fr; gap: 24px; }
    .user-page-layout { grid-template-columns: 1fr; }
    .user-sidebar { position: static; }
}
@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-top { padding: 30px 0; }
    .book-detail-grid { grid-template-columns: 1fr; }
    .book-cover-wrap { position: static; max-width: 240px; margin: 0 auto; }
    .hero-book-cover { display: none; }
    .hero-title { font-size: 1.6rem; }
    .swiper-slide { height: 320px; }
    .books-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}