/* ==========================================================================
   MangaVerse - Ultra Modern Bento & Pill UI
   Theme: Floating, Glass, Vibrant Accents, Deep Dark
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    /* Ultra Modern Palette */
    --bg-base: #050505;
    --bg-surface: rgba(22, 22, 24, 0.6);
    --bg-surface-hover: rgba(30, 30, 34, 0.8);
    --bg-panel: #0d0d0f;
    
    /* Vibrant Neon Accents */
    --accent-primary: #7c3aed; /* Vibrant Violet */
    --accent-hover: #8b5cf6;
    --accent-secondary: #0ea5e9; /* Sky Blue */
    --accent-coral: #f43f5e; /* Coral Red */
    --accent-gold: #f59e0b;
    --accent-green: #10b981;
    
    /* Gradients */
    --gradient-brand: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --gradient-fire: linear-gradient(135deg, var(--accent-coral), #f97316);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Structural */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-highlight: rgba(255, 255, 255, 0.15);
    --radius-pill: 100px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Shadows */
    --shadow-float: 0 10px 40px -10px rgba(0,0,0,0.8);
    --shadow-glow: 0 0 20px rgba(124, 58, 237, 0.4);
    
    /* Transitions */
    --ease-bouncy: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Soft mesh gradient background */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Base Utilities */
.hidden { display: none !important; }
a { color: var(--accent-secondary); text-decoration: none; transition: var(--transition-smooth); }
a:hover { color: var(--accent-primary); }

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    letter-spacing: 0.5px;
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

.btn-primary { background: var(--gradient-brand); color: #fff; box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3); }
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: var(--shadow-glow); }

.btn-glow { background: var(--gradient-fire); color: #fff; box-shadow: 0 4px 15px rgba(244, 63, 94, 0.3); }
.btn-glow:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 0 20px rgba(244, 63, 94, 0.4); }

.btn-outline { background: rgba(255,255,255,0.03); border: 1px solid var(--border-subtle); color: var(--text-secondary); backdrop-filter: blur(5px); }
.btn-outline:hover, .btn-outline.active { background: rgba(255,255,255,0.08); border-color: var(--accent-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }

.btn-icon { background: rgba(255,255,255,0.05); color: var(--text-primary); font-size: 1.2rem; width: 40px; height: 40px; padding: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border-subtle); backdrop-filter: blur(5px); transition: var(--ease-bouncy);}
.btn-icon:hover { color: var(--accent-secondary); background: rgba(255,255,255,0.1); transform: scale(1.1); border-color: var(--accent-secondary);}

/* Floating Navbar */
.nav-wrapper { position: sticky; top: 15px; z-index: 1000; padding: 0 20px; pointer-events: none;}
.navbar {
    max-width: 1200px; margin: 0 auto;
    background: rgba(13, 13, 15, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 12px 8px 25px;
    box-shadow: 0 10px 30px -5px rgba(0,0,0,0.8);
    pointer-events: auto;
    transition: var(--transition-smooth);
}
.logo { font-size: 1.5rem; font-weight: 900; letter-spacing: -0.5px; color: #fff; }
.logo span { background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links { display: flex; gap: 8px; margin-left: 20px; }
.nav-links a {
    color: var(--text-secondary); font-weight: 600; font-size: 0.95rem;
    padding: 8px 16px; border-radius: var(--radius-pill);
    transition: var(--transition-smooth);
}
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a i { margin-right: 6px; }

/* Integrated Search Bar */
.nav-search-bar { display: flex; align-items: center; flex: 1; max-width: 350px; margin: 0 20px; position: relative; }
.nav-search-bar input {
    width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border-subtle);
    color: var(--text-primary); padding: 12px 45px 12px 20px; border-radius: var(--radius-pill);
    outline: none; font-size: 0.95rem; transition: var(--transition-smooth);
}
.nav-search-bar input:focus { background: rgba(255,255,255,0.08); border-color: var(--accent-primary); box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15); }
.nav-search-bar button {
    position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
    background: var(--accent-primary); width: 32px; height: 32px; border-radius: 50%;
    border: none; color: white; display: flex; justify-content: center; align-items: center;
    cursor: pointer; transition: var(--transition-smooth);
}
.nav-search-bar button:hover { background: var(--accent-secondary); transform: translateY(-50%) scale(1.05); }

.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-auth { display: flex; align-items: center; gap: 10px; }
.user-profile { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--accent-secondary); background: rgba(255,255,255,0.05); padding: 4px 6px 4px 16px; border-radius: var(--radius-pill); border: 1px solid var(--border-subtle);}

/* Container Alignment */
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

/* Ultra Modern Hero Banner (Bento Style) */
.featured-hero-section { margin-top: 30px; margin-bottom: 40px; padding: 0 20px; max-width: 1240px; margin-left: auto; margin-right: auto;}
.featured-hero-content {
    width: 100%; min-height: 450px; position: relative;
    background-size: cover; background-position: center;
    border-radius: var(--radius-xl); overflow: hidden;
    box-shadow: var(--shadow-float); border: 1px solid var(--border-subtle);
    display: flex; align-items: flex-end;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(0deg, rgba(5,5,5,1) 0%, rgba(5,5,5,0.6) 40%, transparent 100%);
}
.hero-info { position: relative; z-index: 2; padding: 50px 40px; max-width: 800px; width: 100%; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(244, 63, 94, 0.2); color: var(--accent-coral);
    padding: 6px 16px; font-size: 0.8rem; font-weight: 800; border-radius: var(--radius-pill);
    margin-bottom: 20px; border: 1px solid rgba(244, 63, 94, 0.3); backdrop-filter: blur(5px);
}
.hero-title { font-size: 3.5rem; font-weight: 900; line-height: 1.1; margin-bottom: 15px; color: #fff; letter-spacing: -1px;}
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 30px; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.6; text-shadow: 0 2px 4px rgba(0,0,0,0.8);}
.hero-actions { display: flex; gap: 15px; }

/* Advanced Filters Toolbar (Bento) */
.advanced-filters-wrapper { margin-bottom: 40px; padding: 0 20px; max-width: 1240px; margin-left: auto; margin-right: auto;}
.advanced-filters {
    display: flex; flex-wrap: wrap; gap: 15px; justify-content: center;
    background: var(--bg-surface); padding: 15px 25px; border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle); backdrop-filter: blur(10px);
}
.filter-group { display: flex; align-items: center;}
.advanced-filters select {
    background: rgba(255,255,255,0.05); border: 1px solid transparent; color: var(--text-primary);
    padding: 10px 20px; border-radius: var(--radius-pill); outline: none; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: var(--transition-smooth);
    appearance: none;
}
.advanced-filters select:hover { background: rgba(255,255,255,0.08); border-color: var(--border-subtle); }
.btn-filter-toggle {
    background: var(--accent-primary); color: white; border: none; padding: 10px 24px;
    border-radius: var(--radius-pill); font-size: 0.9rem; font-weight: 700; cursor: pointer;
    display: flex; align-items: center; gap: 8px; transition: var(--ease-bouncy); box-shadow: 0 4px 15px rgba(124,58,237,0.3);
}
.btn-filter-toggle:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

/* Expanded Filters Panel */
.expanded-filters {
    display: none; background: var(--bg-panel); border: 1px solid var(--border-subtle); padding: 30px;
    border-radius: var(--radius-lg); margin-top: 15px; box-shadow: var(--shadow-float);
}
.expanded-filters.open { display: block; animation: slideDown 0.3s ease-out; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.filter-column h4 { font-size: 1rem; color: var(--text-primary); margin-bottom: 15px; font-weight: 800; display: flex; align-items: center; gap: 8px;}
.filter-column h4 i { color: var(--accent-secondary); }
.checkbox-group label { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: var(--text-secondary); cursor: pointer; margin-bottom: 10px; transition: var(--transition-smooth); }
.checkbox-group label:hover { color: var(--text-primary); }
.checkbox-group input[type="checkbox"] {
    appearance: none; width: 18px; height: 18px; border-radius: 4px; border: 2px solid var(--text-muted); cursor: pointer; position: relative; transition: var(--transition-smooth);
}
.checkbox-group input[type="checkbox"]:checked { background: var(--accent-primary); border-color: var(--accent-primary); }
.checkbox-group input[type="checkbox"]:checked::after {
    content: '✓'; position: absolute; color: white; font-size: 12px; font-weight: bold; top: -1px; left: 3px;
}

.tag-checkbox-container { display: flex; flex-wrap: wrap; gap: 8px; max-height: 250px; overflow-y: auto; padding-right: 10px; }
.tag-badge {
    background: rgba(255,255,255,0.03); border: 1px solid var(--border-subtle); padding: 6px 14px;
    border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: var(--transition-smooth); user-select: none; color: var(--text-secondary);
}
.tag-badge:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.tag-badge.active { background: var(--gradient-brand); border-color: transparent; color: white; box-shadow: 0 4px 10px rgba(124,58,237,0.3); }

/* Bento Manga Grid & Cards */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
.section-header h2 { font-size: 1.8rem; font-weight: 900; letter-spacing: -0.5px; display: flex; align-items: center; gap: 12px; color: var(--text-primary); }
.section-header h2 i { background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.manga-grid, .library-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 24px; padding-bottom: 60px; }
.manga-scroll-container { position: relative; margin-bottom: 40px; }
.manga-scroll { display: flex; gap: 24px; overflow-x: auto; padding-bottom: 30px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.manga-scroll::-webkit-scrollbar { display: none; }
.manga-scroll .manga-card { min-width: 200px; max-width: 200px; scroll-snap-align: start; flex-shrink: 0; }

.manga-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    cursor: pointer; display: flex; flex-direction: column;
    transition: var(--ease-bouncy); padding: 8px; backdrop-filter: blur(10px);
}
.manga-card:hover { transform: translateY(-8px); border-color: rgba(124, 58, 237, 0.4); box-shadow: 0 15px 35px rgba(0,0,0,0.6), 0 0 20px rgba(124,58,237,0.1); }

.card-image-wrapper {
    position: relative; padding-top: 135%; overflow: hidden;
    border-radius: var(--radius-md); background: #111; margin-bottom: 12px;
}
.card-image { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1); }
.manga-card:hover .card-image { transform: scale(1.08); }

.card-badge {
    position: absolute; top: 10px; left: 10px; background: rgba(5,5,5,0.7); backdrop-filter: blur(8px);
    color: var(--accent-secondary); padding: 4px 10px; border-radius: var(--radius-pill);
    font-size: 0.75rem; font-weight: 800; border: 1px solid rgba(255,255,255,0.1); z-index: 2;
}
.card-rating {
    position: absolute; bottom: 10px; right: 10px; background: rgba(5,5,5,0.7); backdrop-filter: blur(8px);
    color: var(--accent-gold); padding: 4px 10px; border-radius: var(--radius-pill);
    font-size: 0.8rem; font-weight: 800; display: flex; align-items: center; gap: 4px; z-index: 2; border: 1px solid rgba(255,255,255,0.1);
}

.card-content { padding: 0 6px 6px; display: flex; flex-direction: column; }
.card-title { font-size: 1rem; font-weight: 800; line-height: 1.3; color: var(--text-primary); margin-bottom: 2px; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color 0.2s;}
.manga-card:hover .card-title { color: var(--accent-secondary); }

/* Modals - Glass Panels */
.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    z-index: 2000; display: flex; justify-content: center; align-items: center;
    padding: 20px; opacity: 0; visibility: hidden; transition: opacity 0.3s ease;
}
.modal:not(.hidden) { opacity: 1; visibility: visible; }
.modal-content {
    background: #09090b; width: 100%; max-width: 950px; max-height: 90vh;
    border-radius: var(--radius-xl); overflow-y: auto; position: relative;
    border: 1px solid var(--border-highlight); padding: 40px; box-shadow: 0 30px 60px rgba(0,0,0,0.8);
    transform: scale(0.95) translateY(20px); transition: var(--transition-smooth);
}
.modal:not(.hidden) .modal-content { transform: scale(1) translateY(0); }
.auth-modal-content { max-width: 450px; padding: 40px; }

.close-btn {
    position: absolute; top: 25px; right: 25px;
    width: 40px; height: 40px; background: rgba(255,255,255,0.05); border-radius: 50%;
    display: flex; justify-content: center; align-items: center; border: 1px solid var(--border-subtle);
    font-size: 1.2rem; color: var(--text-secondary); cursor: pointer; z-index: 10; transition: var(--ease-bouncy);
}
.close-btn:hover { background: rgba(244, 63, 94, 0.2); border-color: var(--accent-coral); color: var(--accent-coral); transform: rotate(90deg); }

/* Manga Detail Content (Bento Style Layout inside Modal) */
.manga-detail-wrapper { display: flex; flex-direction: column; gap: 40px; }
.manga-detail-header { display: flex; gap: 40px; }
@media (max-width: 768px) { .manga-detail-header { flex-direction: column; } }
#detailCover { width: 280px; border-radius: var(--radius-lg); flex-shrink: 0; object-fit: cover; box-shadow: 0 20px 40px rgba(0,0,0,0.5); border: 1px solid var(--border-subtle); }
.manga-detail-info { flex: 1; }
.manga-detail-info h2 { font-size: 2.5rem; margin-bottom: 15px; font-weight: 900; line-height: 1.1; letter-spacing: -1px; text-transform: capitalize;}
.meta-info { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 25px; }
.status { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); color: var(--accent-green); padding: 6px 14px; border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 800; text-transform: uppercase;}
.year { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-subtle); color: var(--text-primary); padding: 6px 14px; border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 800;}

/* Stats Panel Container (Pills) */
.stats-panel { display: flex; gap: 15px; margin-bottom: 30px; flex-wrap: wrap; background: rgba(255,255,255,0.02); padding: 15px; border-radius: var(--radius-lg); border: 1px solid var(--border-subtle);}
.stat-item {
    display: flex; align-items: center; gap: 10px;
}
.stat-item i { font-size: 1.4rem; color: var(--accent-secondary); }
.stat-item span { font-size: 1.2rem; font-weight: 800; color: var(--text-primary); }

/* User Actions */
.user-action-area { margin-bottom: 30px; }
.auth-prompt { background: rgba(255,255,255,0.03); padding: 20px; border-radius: var(--radius-md); border: 1px dashed var(--border-highlight); color: var(--text-secondary); font-size: 0.95rem; text-align: center; }
.user-action-panel { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; background: rgba(255,255,255,0.02); padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--border-subtle); }
.rating-box { display: flex; align-items: center; gap: 12px; border-left: 1px solid var(--border-subtle); padding-left: 20px;}
.rating-label { font-size: 0.9rem; color: var(--text-secondary); font-weight: 700; text-transform: uppercase;}
.stars .star { color: rgba(255,255,255,0.1); cursor: pointer; font-size: 1.4rem; transition: var(--transition-smooth);}
.stars .star:hover, .stars .star.active { color: var(--accent-gold); filter: drop-shadow(0 0 5px rgba(245, 158, 11, 0.4));}
.rating-value { font-weight: 900; color: var(--text-primary); font-size: 1.2rem; margin-left: 5px; }

/* Tags & Synopsis */
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 25px; }
.tag { background: rgba(124, 58, 237, 0.15); color: #c4b5fd; padding: 6px 14px; border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 700; border: 1px solid rgba(124, 58, 237, 0.3); }
.synopsis { color: var(--text-secondary); line-height: 1.8; font-size: 1.05rem; margin-bottom: 0;}

/* Bento Grid Inside Modals */
.aggregate-section, .cover-gallery-section, .related-manga-section { margin-top: 40px; }
.chapters-section { margin-top: 20px; }
.aggregate-section h3, .chapters-section h3, .related-manga-section h3, .cover-gallery-section h3 { font-size: 1.4rem; font-weight: 900; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; color: #fff; letter-spacing: -0.5px;}
.aggregate-section h3 i, .chapters-section h3 i, .related-manga-section h3 i, .cover-gallery-section h3 i { background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;}

.aggregate-container { max-height: 300px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; padding-right: 15px; }
.aggregate-volume { background: rgba(255,255,255,0.02); border-radius: var(--radius-md); border: 1px solid var(--border-subtle); overflow: hidden; }
.aggregate-volume-header { padding: 15px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 800; font-size: 1.05rem; transition: background 0.2s;}
.aggregate-volume-header:hover { background: rgba(255,255,255,0.05); }

.aggregate-chapters { display: none; padding: 0 20px 20px; flex-wrap: wrap; gap: 10px; }
.aggregate-chapters.open { display: flex; }
.agg-chapter-badge { background: rgba(255,255,255,0.05); color: var(--text-primary); padding: 8px 16px; border-radius: var(--radius-pill); font-size: 0.9rem; font-weight: 600; cursor: pointer; border: 1px solid var(--border-subtle); transition: var(--transition-smooth);}
.agg-chapter-badge:hover { border-color: var(--accent-primary); background: rgba(124,58,237,0.1); color: #fff;}

/* Modern Chapter List */
.chapter-list-container { display: flex; flex-direction: column; gap: 12px; max-height: 500px; overflow-y: auto; padding-right: 15px; }
.chapter-item {
    background: rgba(255,255,255,0.02); padding: 18px 20px; border-radius: var(--radius-md);
    display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border-subtle);
    transition: var(--transition-smooth);
}
.chapter-item:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.1); transform: translateX(4px); }
.chapter-info { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.chapter-title { font-weight: 800; color: #fff; font-size: 1.05rem; }
.chapter-meta { font-size: 0.85rem; color: var(--text-muted); font-weight: 600;}
.scanlation-group { color: var(--accent-secondary); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; margin-left: 10px; cursor: pointer; background: rgba(14, 165, 233, 0.1); padding: 4px 10px; border-radius: var(--radius-pill); transition: var(--transition-smooth);}
.scanlation-group:hover { background: rgba(14, 165, 233, 0.2); }
.chapter-actions { display: flex; gap: 12px; }

/* Group Modal Specific */
.group-meta-info { display: flex; gap: 15px; flex-wrap: wrap; margin-top: 15px; background: rgba(255,255,255,0.03); padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border-subtle);}
.group-meta-item { font-size: 0.95rem; color: var(--text-primary); font-weight: 700; display: flex; align-items: center; gap: 8px; }
.group-meta-item i { color: var(--accent-primary); }
.group-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px;}
.group-links a { display: inline-flex; align-items: center; gap: 8px; color: white; background: rgba(255,255,255,0.05); padding: 10px 20px; border-radius: var(--radius-pill); font-size: 0.95rem; font-weight: 700; border: 1px solid var(--border-subtle); transition: var(--transition-smooth);}
.group-links a:hover { background: var(--accent-primary); border-color: transparent; box-shadow: 0 4px 15px rgba(124,58,237,0.3);}

/* Reader Overlay - Cinematic */
.reader-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: #000; z-index: 3000; overflow-y: auto; display: flex; flex-direction: column; }
.reader-header { position: sticky; top: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(20px); padding: 15px 30px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(255,255,255,0.05); z-index: 10; }
.reader-header h3 { font-size: 1.2rem; font-weight: 800; color: #fff; }
.reader-content { display: flex; flex-direction: column; align-items: center; max-width: 900px; margin: 0 auto; padding: 30px 0; flex: 1; }
.manga-page { max-width: 100%; height: auto; display: block; margin-bottom: 20px; border-radius: var(--radius-sm); box-shadow: 0 10px 30px rgba(0,0,0,0.5);}

.reader-nav { position: sticky; bottom: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(20px); padding: 20px 30px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255,255,255,0.05); }
.reader-chapter-info { color: #fff; font-size: 1rem; font-weight: 800; }

/* Loaders & Emptys */
.loader-container { display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 80px 0; }
.spinner { width: 60px; height: 60px; border: 4px solid var(--border-subtle); border-top-color: var(--accent-primary); border-right-color: var(--accent-secondary); border-radius: 50%; animation: spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state { text-align: center; padding: 60px; color: var(--text-muted); font-size: 1.2rem; background: rgba(255,255,255,0.02); border-radius: var(--radius-lg); border: 1px dashed var(--border-highlight); margin: 30px 0; font-weight: 700;}
.empty-state i { font-size: 4rem; margin-bottom: 20px; color: var(--border-subtle); display: block; }

/* Forms & Auth Tabs */
.auth-tabs, .library-tabs { display: flex; border-bottom: 1px solid var(--border-subtle); margin-bottom: 30px; background: rgba(255,255,255,0.02); border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 10px 10px 0;}
.auth-tab, .lib-tab { flex: 1; padding: 15px; background: none; border: none; color: var(--text-secondary); font-weight: 800; font-size: 1rem; cursor: pointer; border-radius: var(--radius-md) var(--radius-md) 0 0; transition: var(--transition-smooth);}
.auth-tab.active, .lib-tab.active { color: #fff; background: rgba(255,255,255,0.05); box-shadow: inset 0 -3px 0 var(--accent-primary); }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 10px; font-size: 0.9rem; color: var(--text-secondary); font-weight: 700;}
.form-group input { width: 100%; padding: 15px 20px; background: rgba(255,255,255,0.03); border: 1px solid var(--border-subtle); color: white; border-radius: var(--radius-md); outline: none; font-size: 1rem; font-weight: 500; transition: var(--transition-smooth);}
.form-group input:focus { border-color: var(--accent-primary); background: rgba(255,255,255,0.05); box-shadow: 0 0 0 4px rgba(124,58,237,0.15);}

.error-msg { color: #ff4d4d; font-size: 0.9rem; margin-bottom: 20px; text-align: center; background: rgba(255,77,77,0.1); padding: 12px; border-radius: var(--radius-md); font-weight: 700; border: 1px solid rgba(255,77,77,0.2);}
.success-msg { color: var(--accent-green); font-size: 0.9rem; margin-bottom: 20px; text-align: center; background: rgba(16,185,129,0.1); padding: 12px; border-radius: var(--radius-md); font-weight: 700; border: 1px solid rgba(16,185,129,0.2);}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; border: 2px solid var(--bg-base);}
::-webkit-scrollbar-thumb:hover { background: var(--border-highlight); }

/* Animation Keyframes */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.manga-card { animation: fadeInUp 0.6s var(--ease-bouncy) both; }

/* Responsive adjustments */
@media (max-width: 900px) {
    .nav-search-bar { display: none; }
    .hero-title { font-size: 2.5rem; }
    .manga-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
    .modal-content { padding: 25px; }
}

@media (max-width: 600px) {
    .navbar { padding: 12px 20px; margin: 10px; border-radius: var(--radius-lg); }
    .nav-links { display: none; }
    .hero-info { padding: 40px 25px; }
    .hero-title { font-size: 2rem; }
    .manga-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px 12px; }
    #detailCover { width: 180px; }
    .stats-panel { flex-direction: column; }
    .user-action-panel { flex-direction: column; align-items: stretch; }
}

/* Custom Styles for Read & Save Buttons */
.read-btn {
    background: var(--gradient-brand);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--ease-bouncy);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    text-decoration: none;
}
.read-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-glow);
    color: white;
}
.read-btn:active {
    transform: scale(0.95);
}
.read-btn .fa-arrow-up-right-from-square {
    font-size: 0.8rem;
}

.read-btn-external {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(5px);
    box-shadow: none;
}
.read-btn-external:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--text-secondary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.save-chapter-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--ease-bouncy);
    backdrop-filter: blur(5px);
}
.save-chapter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.2);
}
.save-chapter-btn.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}
.save-chapter-btn.active:hover {
    background: rgba(16, 185, 129, 0.25);
    transform: scale(1.1);
}

#saveMangaBtn, #saveActiveChapterBtn {
    transition: var(--ease-bouncy);
}
#saveMangaBtn.active, #saveActiveChapterBtn.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.8), rgba(5, 150, 105, 0.8));
    color: white;
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}
#saveMangaBtn.active:hover, #saveActiveChapterBtn.active:hover {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
    transform: translateY(-2px) scale(1.02);
}

/* Extra Small Devices (Mobile < 400px) */
@media (max-width: 400px) {
    .navbar { padding: 10px 15px; margin: 8px; }
    .logo { font-size: 1.25rem; }
    .nav-auth .btn-primary, .user-profile { padding: 6px 12px; font-size: 0.8rem; }
    .hero-title { font-size: 1.6rem; }
    .hero-info { padding: 30px 15px; }
    .manga-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px 8px; }
    .manga-scroll .manga-card { min-width: 140px; max-width: 140px; }
    .card-title { font-size: 0.9rem; }
    
    .modal-content { padding: 20px 15px; }
    .auth-modal-content { padding: 25px 20px; }
    #detailCover { width: 130px; }
    .manga-detail-info h2 { font-size: 1.6rem; }
    
    .chapter-item { flex-direction: column; align-items: flex-start; gap: 12px; padding: 15px; }
    .chapter-actions { width: 100%; justify-content: flex-end; }
    .chapter-actions .read-btn { flex: 1; justify-content: center; }
    
    .reader-header { padding: 12px 15px; }
    .reader-nav { padding: 15px; flex-direction: column; gap: 10px; }
    .reader-nav .btn { width: 100%; justify-content: center; }
    
    .btn { padding: 10px 18px; font-size: 0.85rem; }
    .tag { font-size: 0.75rem; padding: 4px 10px; }
    .advanced-filters { padding: 12px 15px; }
    .filter-grid { grid-template-columns: 1fr; }
    .library-tabs .lib-tab, .auth-tabs .auth-tab { padding: 10px; font-size: 0.85rem; }
    
    .group-meta-info { flex-direction: column; gap: 8px; }
    .group-links { flex-direction: column; width: 100%; }
    .group-links a { justify-content: center; }
}