/* =====================================================
   ESTILOS PRINCIPAIS - PEDIDOS REVISTAS EBD
   ===================================================== */

:root {
    --primary: #1a5276;
    --primary-light: #2980b9;
    --primary-dark: #154360;
    --accent: #d4a017;
    --accent-light: #f1c40f;
    --bg: #f5f6fa;
    --bg-white: #ffffff;
    --text: #2c3e50;
    --text-light: #7f8c8d;
    --text-muted: #bdc3c7;
    --border: #dcdde1;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-light);
}

/* HEADER */
.header {
    background: var(--primary-dark);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
}

.logo:hover {
    color: var(--accent);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    gap: 8px;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-light);
    color: white;
}

.btn-accent {
    background: var(--accent);
    color: var(--primary-dark);
    font-weight: 600;
}

.btn-accent:hover {
    background: var(--accent-light);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
}

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #2ecc71; color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #f1c40f; color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #c0392b; color: white; }
.btn-info { background: var(--info); color: white; }
.btn-info:hover { background: #5dade2; color: white; }

.btn-ghost {
    background: transparent;
    color: var(--text-light);
    border: none;
}

.btn-ghost:hover {
    color: var(--primary);
    background: rgba(26, 82, 118, 0.05);
}

/* HERO */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.hero-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.hero-desc {
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.8;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* SECTIONS */
.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-dark);
}

/* FEATURES */
.features {
    padding: 60px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    margin-bottom: 10px;
    color: var(--primary-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* CATEGORIES */
.categories {
    padding: 60px 0;
    background: var(--bg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.category-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-weight: 500;
    color: var(--primary-dark);
    transition: var(--transition);
    text-align: center;
}

.category-card:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* HIGHLIGHTS */
.highlights {
    padding: 60px 0;
    background: white;
}

.revistas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 25px;
}

.revista-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.revista-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.revista-capa {
    height: 200px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.revista-placeholder {
    font-size: 3rem;
    color: var(--text-muted);
}

.revista-info {
    padding: 15px;
}

.revista-categoria {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.revista-titulo {
    font-size: 1rem;
    margin: 5px 0;
    color: var(--text);
}

.revista-preco {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--success);
}

/* FOOTER */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
}

/* FORMS */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 82, 118, 0.1);
}

select.form-control {
    appearance: auto;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* AUTH PAGES */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 20px;
}

.auth-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.auth-card h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 5px;
    color: var(--primary-dark);
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CARDS */
.card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.2rem;
    color: var(--primary-dark);
}

.card-body {
    padding: 25px;
}

/* TABLES */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table tr:hover {
    background: rgba(26, 82, 118, 0.02);
}

/* BADGES */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-secondary { background: #e2e3e5; color: #383d41; }

/* ALERTS */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* STAT CARDS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 25px;
    border: 1px solid var(--border);
}

.stat-card .stat-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* MODAL */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: var(--radius-lg);
    padding: 30px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 1.2rem;
    color: var(--primary-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .form-row { grid-template-columns: 1fr; }
    .nav { gap: 8px; }
    .btn { padding: 8px 16px; font-size: 0.9rem; }
    .auth-card { padding: 25px; }
    .section-title { font-size: 1.5rem; }
}