/* Editorial Momentos - Modern Food & Health Book Store */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap');

:root {
    /* Fresh sage + warm coral palette */
    --em-primary: #4A7C59;
    --em-primary-dark: #3A6347;
    --em-primary-light: #6B9E7A;
    --em-primary-subtle: #E8F0EB;
    --em-accent: #E07A5F;
    --em-accent-dark: #C4654D;
    --em-accent-light: #F4C7B8;
    --em-warm: #F2CC8F;
    --em-warm-light: #FBF0DC;
    --em-dark: #1B2A21;
    --em-text: #2D3436;
    --em-text-light: #636E72;
    --em-bg: #FAFAF8;
    --em-card-bg: #FFFFFF;
    --em-amazon: #FF9900;
    --em-amazon-dark: #E88A00;
    --em-radius: 16px;
    --em-radius-sm: 10px;
    --em-shadow: 0 2px 16px rgba(27,42,33,0.06);
    --em-shadow-hover: 0 12px 40px rgba(27,42,33,0.12);
    --em-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 260px;
}

/* ========== Base ========== */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--em-text);
    background-color: var(--em-bg);
    font-size: 0.95rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 700;
    color: var(--em-dark);
}

.serif {
    font-family: 'Playfair Display', Georgia, serif;
}

/* ========== Bootstrap Overrides ========== */
.bg-primary { background-color: var(--em-primary) !important; }
.text-primary { color: var(--em-primary) !important; }
.badge.bg-primary { background-color: var(--em-primary) !important; }

.btn-primary {
    background-color: var(--em-primary);
    border-color: var(--em-primary);
    border-radius: var(--em-radius-sm);
    font-weight: 500;
    padding: 8px 20px;
    transition: var(--em-transition);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--em-primary-dark);
    border-color: var(--em-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74,124,89,0.3);
}

.btn-outline-primary {
    color: var(--em-primary);
    border-color: var(--em-primary);
    border-radius: var(--em-radius-sm);
    font-weight: 500;
    transition: var(--em-transition);
}
.btn-outline-primary:hover {
    background-color: var(--em-primary);
    border-color: var(--em-primary);
    color: #fff;
    transform: translateY(-1px);
}

.badge.bg-accent {
    background: linear-gradient(135deg, var(--em-accent), var(--em-accent-dark)) !important;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ========== Navbar ========== */
.navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(74,124,89,0.95) !important;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 12px 0;
}
.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}
.navbar .nav-link {
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 16px !important;
    border-radius: 8px;
    transition: var(--em-transition);
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
    background: rgba(255,255,255,0.15);
}

/* ========== Hero Section ========== */
.hero-section {
    background: linear-gradient(135deg, #4A7C59 0%, #3A6347 40%, #2D5240 100%);
    padding: 4.5rem 0;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(224,122,95,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(242,204,143,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-section .container {
    position: relative;
    z-index: 1;
}
.hero-section h1 {
    color: #fff;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.15;
}
.hero-section .lead {
    color: rgba(255,255,255,0.85);
    font-weight: 400;
    max-width: 560px;
    margin: 0 auto;
}
.hero-tagline {
    display: inline-block;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

/* ========== Category Filter Bar ========== */
.category-bar {
    background: var(--em-card-bg);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1rem 0;
}
.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--em-transition);
    border: 1.5px solid transparent;
    color: var(--em-text-light);
    background: var(--em-bg);
}
.category-pill:hover {
    color: var(--em-primary);
    border-color: var(--em-primary-subtle);
    background: var(--em-primary-subtle);
}
.category-pill.active {
    background: var(--em-primary);
    color: #fff;
    border-color: var(--em-primary);
}
.category-pill .count {
    background: rgba(0,0,0,0.08);
    padding: 2px 8px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}
.category-pill.active .count {
    background: rgba(255,255,255,0.2);
}

/* ========== Book Cards ========== */
.book-card {
    background: var(--em-card-bg);
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--em-radius);
    overflow: hidden;
    transition: var(--em-transition);
    box-shadow: var(--em-shadow);
}
.book-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--em-shadow-hover);
    border-color: rgba(74,124,89,0.1);
}
.book-cover {
    height: 300px;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.book-card:hover .book-cover {
    transform: scale(1.03);
}
.book-cover-wrapper {
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #f5f5f0, #ece9e2);
}
.book-cover-placeholder {
    height: 300px;
}
.book-card .card-body {
    padding: 1.25rem;
}
.book-card .card-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}
.book-card .card-title a {
    color: var(--em-dark);
    transition: color 0.2s;
}
.book-card .card-title a:hover {
    color: var(--em-primary) !important;
}
.book-card .card-text {
    font-size: 0.82rem;
    color: var(--em-text-light);
    line-height: 1.5;
}

.price-tag {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, var(--em-accent), var(--em-accent-dark));
    color: #fff;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.btn-view-book {
    display: block;
    width: 100%;
    padding: 10px;
    border: 1.5px solid var(--em-primary);
    border-radius: var(--em-radius-sm);
    color: var(--em-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    text-align: center;
    transition: var(--em-transition);
    background: transparent;
}
.btn-view-book:hover {
    background: var(--em-primary);
    color: #fff;
    transform: translateY(-1px);
}

/* ========== Book Detail Page ========== */
.book-detail-image {
    max-height: 650px;
    object-fit: contain;
    border-radius: var(--em-radius);
}
.book-detail-wrapper {
    background: var(--em-card-bg);
    border-radius: calc(var(--em-radius) + 4px);
    padding: 2.5rem;
    box-shadow: var(--em-shadow);
    border: 1px solid rgba(0,0,0,0.04);
}
.book-description {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--em-text);
}
.book-price-display {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--em-primary);
    letter-spacing: -1px;
}
.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    background: var(--em-primary-subtle);
    color: var(--em-primary);
    transition: var(--em-transition);
}
.category-tag:hover {
    background: var(--em-primary);
    color: #fff;
}

/* ========== Amazon Button ========== */
.btn-amazon {
    background: linear-gradient(135deg, #FF9900, #F08804);
    border: none;
    color: #000;
    font-weight: 700;
    padding: 14px 36px;
    font-size: 1.05rem;
    border-radius: var(--em-radius-sm);
    transition: var(--em-transition);
    box-shadow: 0 4px 15px rgba(255,153,0,0.3);
    letter-spacing: 0.3px;
}
.btn-amazon:hover {
    background: linear-gradient(135deg, #F08804, #E07A00);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,153,0,0.4);
}

/* ========== Related Books Section ========== */
.related-section {
    background: linear-gradient(180deg, var(--em-bg) 0%, var(--em-primary-subtle) 100%);
    padding: 4rem 0;
}
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--em-accent);
    border-radius: 2px;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
    padding: 0;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}
.breadcrumb-item a {
    color: var(--em-primary);
    text-decoration: none;
    font-weight: 500;
}
.breadcrumb-item a:hover {
    text-decoration: underline;
}
.breadcrumb-item.active {
    color: var(--em-text-light);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--em-dark);
    color: rgba(255,255,255,0.7);
    padding: 3rem 0 2rem;
}
.site-footer h5 {
    color: #fff;
    font-weight: 700;
}
.site-footer a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.2s;
}
.site-footer a:hover {
    color: #fff;
}
.footer-divider {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin: 1.5rem 0;
}

/* ========== Cards (general) ========== */
.card {
    border: 1px solid rgba(0,0,0,0.04);
    border-radius: var(--em-radius);
    box-shadow: var(--em-shadow);
}
.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

/* ========== Admin Layout ========== */
.admin-body {
    background-color: #f0f2f5;
}
.admin-sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    background: var(--em-dark) !important;
}
.admin-sidebar .nav-link {
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 2px;
    transition: var(--em-transition);
    font-size: 0.9rem;
}
.admin-sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.08);
}
.admin-sidebar .nav-link.active {
    background-color: var(--em-primary) !important;
}
.admin-content {
    min-height: 100vh;
    overflow-x: auto;
}

/* ========== Tables (admin) ========== */
.table th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--em-text-light);
}

/* ========== Responsive ========== */
@media (max-width: 991.98px) {
    .admin-sidebar {
        position: fixed;
        left: -260px;
        z-index: 1050;
        transition: left 0.3s ease;
    }
    .admin-sidebar.show {
        left: 0;
    }
    .book-cover {
        height: 220px;
    }
    .hero-section {
        padding: 3rem 0;
    }
    .hero-section h1 {
        font-size: 2rem;
    }
    .book-detail-wrapper {
        padding: 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .book-cover {
        height: 180px;
    }
    .book-card .card-title {
        font-size: 0.85rem;
    }
    .book-card .card-body {
        padding: 1rem;
    }
    .hero-section h1 {
        font-size: 1.6rem;
    }
    .hero-section .lead {
        font-size: 0.95rem;
    }
    .book-price-display {
        font-size: 2rem;
    }
}

/* ========== Utility ========== */
.text-accent { color: var(--em-accent) !important; }
.bg-warm { background-color: var(--em-warm-light) !important; }
.rounded-xl { border-radius: var(--em-radius) !important; }