/* =========================================
   1. VARIABLES & RESET
   ========================================= */
:root {
    --accent-color: #ff4757;
    --card-bg: #1e1e26;
    --search-bg: #25252e;
    --border-color: #333;
    --text-color: #eee;
    --secondary-text: #a0a0a0;
    --bg-color: #13131a;
}

[data-theme='light'] {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --search-bg: #f1f3f5;
    --text-color: #212529;
    --secondary-text: #6c757d;
    --border-color: #dee2e6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0; padding: 0;
    line-height: 1.6;
}

/* =========================================
   2. GLOBAL LAYOUT (Header, Footer, Containers)
   ========================================= */
.main-header {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.header-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.6rem;
    font-weight: 900;
    text-decoration: none;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-theme, .btn-icon {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.2rem;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

.discord-btn, .btn-discord {
    background: #ff4757;
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.3s;
}

.discord-btn:hover, .btn-discord:hover { 
    opacity: 0.9;
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.3);
}

.container { padding: 20px 40px; max-width: 1200px; margin: 0 auto; }
.section-margin { margin-top: 40px; }

h3, .section-title {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
    margin-top: 50px;
    font-size: 1.4rem;
    font-weight: 900;
}

footer {
    margin-top: 80px;
    padding: 60px 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--secondary-text);
}

.footer-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

/* =========================================
   3. INDEX PAGE (Search, Grids, Cards)
   ========================================= */
.search-container { max-width: 800px; margin: 40px auto; }

.search-bar {
    width: 100%;
    padding: 16px 24px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--search-bg);
    color: var(--text-color);
    font-size: 1.1rem;
    outline: none;
    transition: 0.3s;
}

.search-bar:focus { border-color: var(--accent-color); }

.horizontal-scroll { display: flex; overflow-x: auto; gap: 20px; padding: 20px 0; scrollbar-width: none; }
.horizontal-scroll::-webkit-scrollbar { display: none; }

.card { text-decoration: none; color: inherit; min-width: 160px; width: 160px; transition: 0.3s; }
.card:hover { transform: translateY(-5px); }

.card-cover-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 2/3;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    margin-bottom: 12px;
}

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

.card-title {
    font-size: 0.95rem;
    font-weight: 700;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta { color: var(--secondary-text); font-size: 0.85rem; margin-top: 4px; }

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 30px;
    margin-top: 25px;
}

/* =========================================
   4. PRESENTATION PAGE
   ========================================= */
.novel-header { display: flex; gap: 30px; margin-bottom: 40px; flex-wrap: wrap; align-items: flex-start; }
#cover { width: 200px; height: 290px; border-radius: 12px; object-fit: cover; box-shadow: 0 15px 30px rgba(0,0,0,0.4); background-color: var(--card-bg); }
.novel-info { flex: 1; min-width: 300px; }
.author-name { color: var(--secondary-text); margin: 10px 0; font-size: 1.1rem; font-weight: 400; }

.stats-row { display: flex; gap: 20px; align-items: center; margin: 20px 0; }
.status-badge { background: var(--accent-color); color: white; padding: 6px 14px; border-radius: 8px; font-size: 0.75rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.5px; }
.rating-display { font-weight: 900; color: var(--accent-color); font-size: 1.3rem; }

.tags-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.tag { border: 1px solid var(--border-color); padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; color: var(--secondary-text); background: rgba(128, 128, 128, 0.05); transition: 0.2s; }
.tag:hover { border-color: var(--accent-color); color: var(--accent-color); }

.synopsis-text { margin-top: 20px; white-space: pre-wrap; line-height: 1.8; color: var(--text-color); font-size: 1rem; opacity: 0.9; }

.chapters-header { display: flex; justify-content: space-between; align-items: center; margin-top: 50px; }
.chapters-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; margin-top: 25px; }
.chapter-link { background: var(--card-bg); color: var(--text-color); border: 1px solid var(--border-color); font-size: 0.85rem; font-weight: 600; text-align: center; text-decoration: none; padding: 12px 5px; border-radius: 8px; transition: all 0.2s ease; }
.chapter-link:hover { border-color: var(--accent-color); background: rgba(255, 71, 87, 0.05); transform: translateY(-2px); }

/* Review System */
.review-form { background: var(--search-bg); padding: 25px; border-radius: 15px; margin: 30px 0; border: 1px solid var(--border-color); }
.form-input, .form-textarea { width: 100%; margin-bottom: 15px; padding: 12px 15px; background: var(--bg-color); border: 1px solid var(--border-color); color: var(--text-color); border-radius: 8px; font-family: inherit; }
.form-textarea { min-height: 120px; resize: vertical; }
.form-footer { display: flex; justify-content: space-between; align-items: center; }
.form-note { background: var(--bg-color); border: 1px solid var(--border-color); color: var(--accent-color); padding: 8px 12px; border-radius: 8px; font-weight: bold; }

.review-card { background: var(--card-bg); padding: 20px; border-radius: 12px; margin-bottom: 15px; border: 1px solid var(--border-color); }
.review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.review-user-info { display: flex; flex-direction: column; }
.review-user { font-size: 1rem; color: var(--text-color); }
.review-date { font-size: 0.75rem; color: var(--secondary-text); }
.review-rating { color: var(--accent-color); font-weight: 900; background: rgba(255, 71, 87, 0.1); padding: 4px 10px; border-radius: 6px; }
.review-comment { font-size: 0.95rem; line-height: 1.6; color: var(--text-color); opacity: 0.85; }

/* Buttons */
.btn-primary { background: var(--accent-color); border: none; color: white; padding: 12px 25px; border-radius: 8px; font-weight: 900; cursor: pointer; transition: 0.3s; text-transform: uppercase; letter-spacing: 1px; }
.btn-primary:hover:not(:disabled) { filter: brightness(1.2); box-shadow: 0 5px 15px rgba(255, 71, 87, 0.3); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-outline-accent { display: none; margin: 30px auto; background: none; color: var(--accent-color); border: 2px solid var(--accent-color); padding: 12px 30px; border-radius: 30px; font-weight: 900; cursor: pointer; transition: 0.2s; }
.btn-outline-accent:hover { background: var(--accent-color); color: white; }

/* =========================================
   5. READER PAGE
   ========================================= */
#progress-container { position: sticky; top: 48px; width: 100%; height: 4px; background: rgba(128, 128, 128, 0.1); z-index: 999; }
#progress-bar { height: 100%; background: var(--accent-color); width: 0%; transition: width 0.1s; }
#reader-content { max-width: 800px; margin: 40px auto; padding: 0 20px; min-height: 60px; }
#chapter-text { white-space: pre-wrap; transition: all 0.3s ease; }

.settings-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); display: none; z-index: 2000; }
.settings-panel { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--search-bg); padding: 30px; border-radius: 12px; width: 90%; max-width: 400px; z-index: 2001; display: none; border: 1px solid var(--border-color); }
.panel-title { margin-top: 0; }
.setting-group { margin-bottom: 20px; }
.setting-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; }
.setting-group select, .setting-group input[type="range"] { width: 100%; }
.color-settings { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.panel-actions { display: flex; gap: 10px; margin-top: 10px; }

.comment-section { margin-top: 60px; border-top: 1px solid var(--border-color); padding-top: 40px; }
.comment-form { background: var(--search-bg); padding: 20px; border-radius: 8px; margin-bottom: 30px; }
.comment-item { background: rgba(128,128,128,0.05); padding: 15px; border-radius: 8px; margin-bottom: 15px; border: 1px solid var(--border-color); }
.comment-item img { max-width: 100%; border-radius: 5px; margin-top: 10px; display: block; }

.reader-header { position: sticky; top: 0; background: var(--bg-color); z-index: 1000; padding: 10px 15px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.home-link { text-decoration: none; font-size: 1.4rem; }
.nav-buttons { display: flex; justify-content: space-between; margin: 50px 0; }
.btn-secondary { width: 45%; background: var(--search-bg); border: 1px solid var(--border-color); color: var(--text-color); padding: 10px; border-radius: 5px; cursor: pointer; }

/* Mobile Optimizations */
@media (max-width: 600px) {
    .reader-header { padding: 5px 10px; }
    .icon-btn, .home-link { font-size: 1.1rem !important; }
    #progress-container { top: 38px; }
}