:root {
    --primary-color: #88b7a5; /* Verde Agua Lectura Consciente */
    --primary-hover: #76a392;
    --dark-bg: #1a1a1a;
    --bg-color: #fdfdfd;
    --text-main: #333333;
    --text-muted: #666666;
    --border-color: #eeeeee;
    --card-bg: #ffffff;
    --success: #88b7a5;
    --error: #e57373;
}

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

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

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

/* Top Bar */
.top-announcement {
    background-color: var(--dark-bg);
    color: #fff;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Header */
header.main-header {
    background: #fff;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.logo-container img {
    height: 45px;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

/* Typography */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    color: var(--text-main);
    font-weight: 700;
}

section {
    padding: 3rem 0;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: #fff;
    padding: 2.5rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

/* Dashboard Actions */
.action-box {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Common Card style */
.content-card {
    background: #fff;
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.section-subtitle {
    color: var(--text-muted);
    margin-top: 0.5rem;
    max-width: 52rem;
}

.catalog-panel {
    padding: 2rem;
}

.catalog-filters {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1rem;
    align-items: end;
}

.catalog-filters .form-group {
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-main);
    padding: 0.9rem 1rem;
    font: inherit;
    border-radius: 0;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(136, 183, 165, 0.12);
}

.filter-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    grid-column: 1 / -1;
    justify-content: flex-end;
}

.table-container {
    overflow-x: auto;
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.table-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.pagination .btn {
    padding: 0.7rem 1rem;
    font-size: 0.68rem;
}

.pagination-ellipsis {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border: none;
    cursor: pointer;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition: all 0.3s;
    border-radius: 0;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

th {
    text-align: left;
    padding: 1.2rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #999;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1.5rem 1.2rem;
    border-bottom: 1px solid #f9f9f9;
    font-size: 0.9rem;
}

.badge {
    padding: 0.4rem 1rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.badge-si { background: #f0f7f4; color: var(--primary-color); }
.badge-no { background: #fff5f5; color: #d32f2f; }
.badge-consultar { background: #fffcf0; color: #f57c00; }
.badge-desconocido { background: #f5f5f5; color: #666; }

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: #fff;
    padding: 4rem;
    max-width: 600px;
    width: 90%;
    text-align: center;
}

.modal h2 { margin-bottom: 2rem; }

/* Upload Area */
.upload-zone {
    border: 1px dashed var(--primary-color);
    padding: 5rem 2rem;
    text-align: center;
    cursor: pointer;
    background: #fdfdfd;
    transition: background 0.3s;
}

.upload-zone:hover {
    background: #f0f7f4;
}

/* Toast */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
}

.toast {
    padding: 1.2rem 2.5rem;
    background: var(--dark-bg);
    color: #fff;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

/* Search Bar (like web) */
.search-container {
    display: flex;
    max-width: 500px;
    margin: 0 auto 3rem;
}

.search-container input {
    border-right: none;
}

.btn-search {
    padding: 0 1.5rem;
    background: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
}

@media (max-width: 960px) {
    .catalog-header,
    .table-footer {
        align-items: flex-start;
    }

    .catalog-filters {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .app-container {
        padding: 0 1rem;
    }

    .content-card,
    .catalog-panel {
        padding: 1.25rem;
    }

    .catalog-header,
    .action-box {
        flex-direction: column;
        align-items: stretch;
    }

    .catalog-filters {
        grid-template-columns: 1fr;
    }

    .filter-actions {
        flex-direction: column;
    }

    .pagination {
        width: 100%;
    }
}