/* BOOKCLUB/assets/style.css */

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

:root {
    /* Light Theme */
    --bg-base: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-amber: #d97706;
    --accent-amber-light: #fef3c7;
    --accent-indigo: #4f46e5;
    --accent-indigo-light: #e0e7ff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1);
    --input-bg: #ffffff;
}

[data-theme="dark"] {
    /* Dark Theme */
    --bg-base: #0f172a;
    --bg-card: #1e293b;
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-amber: #fbbf24;
    --accent-amber-light: rgba(245, 158, 11, 0.2);
    --accent-indigo: #818cf8;
    --accent-indigo-light: rgba(99, 102, 241, 0.2);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.5);
    --input-bg: #0f172a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Header */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.brand-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.brand-icon-box {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.nav-btns {
    display: flex;
    gap: 0.75rem;
}

.btn-icon-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.btn-icon-link:hover {
    border-color: var(--accent-amber);
    color: var(--accent-amber);
}

/* Hero / Stats Banner */
.stats-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: center;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent-amber);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 0.25rem;
}

/* Tabs */
.tabs-header {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab-btn {
    padding: 0.875rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.tab-btn.active {
    color: var(--accent-amber);
    border-bottom-color: var(--accent-amber);
}

/* Controls / Search Bar */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.search-field {
    flex: 1;
    min-width: 250px;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
}

/* Book Grid */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.book-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.book-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.badge-genre {
    padding: 0.25rem 0.6rem;
    background: var(--accent-amber-light);
    color: var(--accent-amber);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.stars-rating {
    color: #f59e0b;
    font-size: 0.9rem;
    font-weight: 700;
}

.book-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    line-height: 1.3;
}

.book-author {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.recommend-quote {
    background: var(--bg-base);
    border-left: 3px solid var(--accent-amber);
    padding: 0.875rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 1rem;
    font-style: italic;
}

.book-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

/* Members Grid */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}

.member-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.member-avatar {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.member-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.member-rank {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--accent-indigo-light);
    color: var(--accent-indigo);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

/* Form */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 2.5rem;
    max-width: 680px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border: none;
    border-radius: 0.875rem;
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}