@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Outfit:wght@100..900&display=swap');

/* Lovestruck Hub - Core Design System & Tokens */
:root {
    /* Fonts */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Theme: Dark Velvet Romance (Default) */
    --bg-app: #0e0508;
    --bg-glass: rgba(26, 10, 16, 0.55);
    --bg-glass-hover: rgba(43, 16, 26, 0.7);
    --bg-card: rgba(32, 12, 20, 0.45);
    --border-color: rgba(212, 175, 55, 0.15); /* Soft gold border */
    --border-color-hover: rgba(212, 175, 55, 0.3);
    
    --text-primary: #fcf8f9;
    --text-secondary: #e2cbd4;
    --text-muted: #9e7f8b;
    
    --accent: #e04a74; /* Romantic Rose Crimson */
    --accent-glow: rgba(224, 74, 116, 0.35);
    --gold: #d4af37; /* Royal Warm Gold */
    --gold-glow: rgba(212, 175, 55, 0.3);
    
    --ambient-1: radial-gradient(circle at 10% 20%, rgba(142, 36, 170, 0.15) 0%, transparent 45%);
    --ambient-2: radial-gradient(circle at 90% 80%, rgba(224, 74, 116, 0.12) 0%, transparent 50%);
    --ambient-3: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 60%);

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.35);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
}

[data-theme="light"] {
    --bg-app: #fcf7f8;
    --bg-glass: rgba(255, 245, 247, 0.75);
    --bg-glass-hover: rgba(255, 235, 240, 0.85);
    --bg-card: rgba(255, 255, 255, 0.7);
    --border-color: rgba(142, 36, 170, 0.12);
    --border-color-hover: rgba(224, 74, 116, 0.3);
    
    --text-primary: #2a111a;
    --text-secondary: #4a2d39;
    --text-muted: #7d606c;
    
    --accent: #c42953;
    --accent-glow: rgba(196, 41, 83, 0.15);
    --gold: #aa8513;
    --gold-glow: rgba(170, 133, 19, 0.15);
    
    --ambient-1: radial-gradient(circle at 10% 20%, rgba(224, 74, 116, 0.08) 0%, transparent 45%);
    --ambient-2: radial-gradient(circle at 90% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
    --ambient-3: radial-gradient(circle at 50% 50%, rgba(142, 36, 170, 0.03) 0%, transparent 60%);

    --shadow-sm: 0 4px 12px rgba(142, 36, 170, 0.05);
    --shadow-md: 0 8px 24px rgba(142, 36, 170, 0.08);
    --shadow-lg: 0 16px 40px rgba(142, 36, 170, 0.12);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Ambient glow system */
.ambient-glows {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.7;
    mix-blend-mode: screen;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, rgba(224, 74, 116, 0.15) 0%, transparent 70%);
    animation: floatOrb 15s infinite alternate ease-in-out;
}

.orb-2 {
    bottom: -15%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(142, 36, 170, 0.12) 0%, transparent 70%);
    animation: floatOrb 20s infinite alternate-reverse ease-in-out;
}

.orb-3 {
    top: 35%;
    left: 40%;
    width: 35vw;
    height: 35vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 8%) scale(1.1); }
}

/* App Wrap */
.app-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-sm);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Glassmorphism Panel base */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.glass-panel:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg);
}

/* Main Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-serif);
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-heart {
    color: var(--accent);
    display: inline-block;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.15); }
    40% { transform: scale(1.05); }
    60% { transform: scale(1.15); }
}

.logo-text span {
    color: var(--accent);
    font-style: italic;
    font-family: var(--font-serif);
    font-weight: 400;
}

.logo-text span.gold {
    color: var(--gold);
    font-weight: 700;
    font-style: normal;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-grow: 0.5;
    justify-content: flex-end;
}

/* Search engine wrapper */
.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 320px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 10px 38px 10px 40px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    background: rgba(0, 0, 0, 0.35);
}

.search-clear-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
}

.search-clear-btn:hover {
    color: var(--accent);
}

.search-clear-btn svg {
    width: 16px;
    height: 16px;
}

/* Buttons and Badges */
.btn-icon {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    position: relative;
}

.btn-icon:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

.btn-icon .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--gold);
    color: #000;
    font-weight: 700;
    font-size: 0.75rem;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* Hero Spotlight section */
.hero-spotlight {
    padding: var(--space-md) var(--space-lg);
    position: relative;
    overflow: hidden;
}

.hero-spotlight::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(224, 74, 116, 0.04));
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-cover-container {
    flex-shrink: 0;
    width: 200px;
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
}

.hero-cover {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    background: linear-gradient(135deg, #300c1e 0%, #15050d 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-cover-container:hover .hero-cover {
    transform: rotateY(-15deg) translateY(-8px);
    box-shadow: 15px 20px 40px rgba(0, 0, 0, 0.6);
}

/* Realistic Book Spine Effect */
.hero-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 12px;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 100%);
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.cover-design {
    height: 100%;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    color: #fff;
    position: relative;
}

.cover-badge {
    align-self: center;
    background: var(--gold);
    color: #000;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
}

.cover-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.25;
    margin: var(--space-xs) 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cover-author {
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    opacity: 0.85;
    text-transform: uppercase;
}

.cover-decorative-bar {
    width: 40px;
    height: 3px;
    background: var(--gold);
    margin: var(--space-xs) auto 0;
    border-radius: 2px;
}

.hero-text-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.hero-tagline {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    font-weight: 700;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.15;
    color: var(--text-primary);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: var(--space-xs) 0;
}

.rating-stars {
    color: var(--gold);
    letter-spacing: 1px;
}

.rating-number {
    font-weight: 700;
    color: var(--text-primary);
}

.meta-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
}

.meta-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 2px 10px;
    border-radius: 30px;
    font-size: 0.8rem;
}

.hero-description {
    color: var(--text-secondary);
    max-width: 700px;
    font-size: 1.05rem;
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}

.hero-genres {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--space-md);
}

.genre-pill {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    background: #e95982;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(224, 74, 116, 0.05);
}

/* LIVE API SCRAPER SYSTEM DASHBOARD */
.live-scraper-dashboard {
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xs);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.85rem;
    overflow-x: hidden;
}

.scraper-status-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10b981; /* Glowing Green */
    box-shadow: 0 0 10px #10b981;
    animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.5; }
}

.scraper-log-window {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 12px;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.8rem;
    color: #a78bfa; /* Violet code style */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 10px;
}

.log-prefix {
    color: var(--gold);
    font-weight: bold;
}

.log-text {
    animation: typing 1s forwards;
}

/* Main Layout Grid */
.main-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-sm);
    align-items: start;
    flex-grow: 1;
}

/* Filters Sidebar */
.sidebar-filters {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: sticky;
    top: var(--space-sm);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.genre-filter-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-btn-row {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 12px;
    text-align: left;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-btn-row:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.filter-btn-row.active {
    background: var(--accent);
    color: #fff;
    font-weight: 700;
}

.filter-count {
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 10px;
    color: var(--text-muted);
}

.filter-btn-row.active .filter-count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Selection list/dropdowns */
.select-wrapper {
    position: relative;
    width: 100%;
}

.custom-select {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    appearance: none;
    cursor: pointer;
}

.custom-select:focus {
    border-color: var(--accent);
}

.select-wrapper::after {
    content: '▼';
    font-size: 0.65rem;
    color: var(--text-muted);
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Matchmaker Promo */
.matchmaker-promo {
    background: linear-gradient(135deg, rgba(142, 36, 170, 0.25) 0%, rgba(224, 74, 116, 0.25) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.matchmaker-promo h4 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--gold);
}

.matchmaker-promo p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Main Feed Container */
.main-feed-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 4px;
}

.results-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
}

.results-title span {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Novels Card Grid */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-sm);
}

.book-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    height: 440px;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.2, 1), border-color 0.3s, box-shadow 0.4s;
    background: var(--bg-card);
}

.book-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 12px 30px var(--accent-glow);
}

.card-cover-wrapper {
    height: 170px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.card-cover {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e1220 0%, #0c050d 100%);
    position: relative;
}

.card-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
}

.card-cover .cover-design {
    width: 100%;
    height: 100%;
    padding: var(--space-sm);
    justify-content: space-around;
}

.card-title-mini {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-author-mini {
    font-size: 0.65rem;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.card-info {
    padding: var(--space-sm);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.15);
}

.card-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.rating-badge {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 3px;
}

.rating-badge span {
    color: var(--text-primary);
}

.lang-badge {
    font-size: 0.7rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-color);
    padding: 1px 6px;
    border-radius: 10px;
    color: var(--text-muted);
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-author {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.card-hook {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.card-genres {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: var(--space-sm);
}

.card-genre-tag {
    font-size: 0.65rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--text-secondary);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.btn-card-primary {
    flex-grow: 1;
    background: var(--accent);
    border: none;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
}

.btn-card-primary:hover {
    background: #e95982;
}

.btn-card-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
}

.btn-card-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.empty-state {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    width: 100%;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 5px;
}

.empty-state p {
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

/* Modals General Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(14, 5, 8, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: var(--space-sm);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    width: 100%;
    max-width: 850px;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-y: auto;
    animation: modalIn 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}

@keyframes modalIn {
    from { transform: translateY(30px) scale(0.95); }
    to { transform: translateY(0) scale(1); }
}

.modal-close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 10;
}

.modal-close-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.modal-close-btn svg {
    width: 16px;
    height: 16px;
}

/* Detail Modal Specific Layout */
.book-details-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: 100%;
}

.details-sidebar {
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.15);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.details-cover {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    background: linear-gradient(135deg, #1e0a12 0%, #000 100%);
    position: relative;
}

.details-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 10px;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0) 100%);
}

.details-quick-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stat-item {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-value {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.details-main {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    overflow-y: auto;
}

.details-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-xs);
}

.details-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.details-author {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.details-sections {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.details-synopsis-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gold);
    margin-bottom: 6px;
}

.details-synopsis {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.themes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.theme-tag {
    background: rgba(224, 74, 116, 0.1);
    border: 1px solid rgba(224, 74, 116, 0.25);
    color: var(--accent);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Downloading Progress Bar Overlay */
.download-progress-container {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.download-progress-text {
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
}

.download-progress-bg {
    height: 6px;
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
    overflow: hidden;
}

.download-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--gold) 100%);
    width: 0%;
    transition: width 0.1s linear;
}

/* Reviews List Section */
.reviews-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-sm);
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: var(--space-sm);
}

.review-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-xs) var(--space-sm);
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    font-size: 0.8rem;
}

.review-author {
    font-weight: 700;
    color: var(--text-primary);
}

.review-rating {
    color: var(--gold);
}

.review-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.add-review-form {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.add-review-form h5 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 10px;
}

.form-input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--accent);
}

.form-textarea {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    min-height: 60px;
    resize: vertical;
    outline: none;
}

.btn-form-submit {
    align-self: flex-end;
    background: var(--accent);
    border: none;
    color: #fff;
    padding: 6px 16px;
    border-radius: 30px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
}

.btn-form-submit:hover {
    background: #e95982;
}

/* E-Reader Modal layout */
.reader-modal-content {
    max-width: 900px;
    height: 95vh;
}

.reader-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.1);
}

.reader-book-info {
    display: flex;
    flex-direction: column;
}

.reader-book-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.1rem;
}

.reader-book-author {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.reader-controls-bar {
    display: flex;
    align-items: center;
    gap: 8px;
}

.reader-ctrl-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 600;
}

.reader-ctrl-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.reader-body-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--space-lg) var(--space-md);
    display: flex;
    justify-content: center;
}

.reader-content-wrap {
    width: 100%;
    max-width: 680px;
    line-height: 1.8;
}

.reader-content-wrap p {
    margin-bottom: 1.4rem;
}

/* E-Reader Themes */
.theme-reader-dark {
    background-color: #12080c !important;
    color: #e5dada !important;
}

.theme-reader-light {
    background-color: #ffffff !important;
    color: #21151a !important;
}

.theme-reader-sepia {
    background-color: #f7ede2 !important;
    color: #432818 !important;
}

/* E-Reader Fonts */
.reader-text-sans {
    font-family: var(--font-sans);
}

.reader-text-serif {
    font-family: var(--font-serif);
}

.reader-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    border-top: 1px solid var(--border-color);
    background: rgba(0,0,0,0.1);
    font-size: 0.8rem;
}

.progress-bar-container {
    flex-grow: 0.5;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 var(--space-md);
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent);
    width: 0%;
}

/* Bookshelf Modal items */
.bookshelf-modal-content {
    max-width: 500px;
}

.bookshelf-list {
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 70vh;
    overflow-y: auto;
}

.bookshelf-item {
    display: grid;
    grid-template-columns: 60px 1fr 40px;
    gap: 12px;
    align-items: center;
    padding: var(--space-xs);
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
}

.bookshelf-item:hover {
    border-color: var(--accent);
}

.bookshelf-cover {
    height: 80px;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4px;
    color: #fff;
    font-family: var(--font-serif);
}

.bookshelf-info {
    display: flex;
    flex-direction: column;
}

.bookshelf-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.25;
}

.bookshelf-author {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-remove-shelf {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 30px;
    width: 30px;
}

.btn-remove-shelf:hover {
    color: var(--accent);
}

.btn-remove-shelf svg {
    width: 18px;
    height: 18px;
}

/* Matchmaker Quiz Modal */
.quiz-content {
    padding: var(--space-md);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quiz-question-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    text-align: center;
}

.quiz-options-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quiz-option-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
}

.quiz-option-btn:hover {
    border-color: var(--accent);
    background: rgba(224, 74, 116, 0.05);
}

.quiz-match-result {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.quiz-match-header {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
}

.quiz-match-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 800;
}

/* Toast Container & Notification styling */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: rgba(26, 10, 16, 0.9);
    border: 1px solid var(--accent);
    color: #fff;
    padding: 12px 20px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: slideInRight 0.3s cubic-bezier(0.2, 1, 0.2, 1) forwards;
}

.toast-success {
    border-color: var(--gold);
}

@keyframes slideInRight {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Responsive UI Adjustments */
@media (max-width: 900px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar-filters {
        position: static;
    }
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-cover-container {
        width: 150px;
        height: 225px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-meta {
        justify-content: center;
    }
    
    .hero-genres {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .book-details-layout {
        grid-template-columns: 1fr;
    }
    
    .details-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        align-items: center;
    }
    
    .details-cover {
        width: 160px;
        height: 240px;
    }
}

/* Floating Heart Particles Container */
.heart-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.heart-particle {
    position: absolute;
    bottom: -50px;
    font-size: 1.2rem;
    pointer-events: none;
    opacity: 0.8;
    filter: drop-shadow(0 2px 5px rgba(224, 74, 116, 0.4));
    animation: floatHeart 12s linear infinite;
}

@keyframes floatHeart {
    0% {
        transform: translateY(0) rotate(0deg) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(-105vh) rotate(360deg) translateX(50px);
        opacity: 0;
    }
}

/* Realistic Book spine/page style additions */
.card-cover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    border-left: 5px solid rgba(0, 0, 0, 0.35); /* Spine binding crease */
}

/* Spine texture overlay */
.card-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 5px;
    width: 1px;
    height: 100%;
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

/* Card hover gold shimmer effect */
.book-card {
    position: relative;
    overflow: hidden;
}

.book-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 20%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 30%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 70%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    transition: none;
    z-index: 3;
    pointer-events: none;
}

.book-card:hover::before {
    left: 150%;
    transition: left 1.2s ease-in-out;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

.app-footer {
    text-align: center;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    margin-top: auto; /* push to bottom */
    font-size: 0.9rem;
}

.creator-name {
    font-weight: 600;
    color: var(--gold);
    margin-left: 4px;
}

.book-card:hover {
    transform: translateY(-8px) scale(1.025);
    border-color: var(--gold);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.25);
}

/* Beautiful Book Cover details badge gold glow */
.cover-badge {
    box-shadow: 0 0 10px var(--gold-glow);
}

/* Featured Spotlight golden frame */
.hero-spotlight {
    border: 1px solid var(--border-color);
    box-shadow: inset 0 0 30px rgba(212, 175, 55, 0.03), var(--shadow-md);
}

.hero-spotlight:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: inset 0 0 40px rgba(212, 175, 55, 0.05), var(--shadow-lg);
}

/* Decorative Gold Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
    background: rgba(212, 175, 55, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}