/* ============================================
   Estilos Armonización Contable - Micrositio
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    background-color: #f5f7fa;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============ Header ============ */
.main-header {
    background: linear-gradient(135deg, #004130 0%, #1a5a3f 100%);
    color: white;
    padding: 40px 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header-content {
    text-align: center;
}

.site-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.site-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 300;
}

/* ============ Navigation ============ */
.main-nav {
    background-color: #fff;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    padding: 10px 0;
}

.nav-menu li a {
    display: inline-block;
    padding: 10px 16px;
    color: #004130;
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-menu li a:hover {
    background-color: #e8f5f0;
    color: #1a5a3f;
}

/* ============ Main Content ============ */
.main-content {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

.documents-section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 30px;
}

/* ============ Accordions ============ */
.accordions-wrapper {
    margin-bottom: 30px;
}

.accordion {
    background-color: #fbfdfd;
    color: #333;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: 1px solid #e0e0e0;
    text-align: left;
    outline: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 2px;
    border-radius: 4px;
}

.accordion:hover {
    background-color: #e8f5f0;
    border-color: #004130;
    color: #004130;
}

.accordion.active {
    background: linear-gradient(135deg, #004130 0%, #1a5a3f 100%);
    color: white;
    border-color: #004130;
}

.accordion::before {
    content: '▼';
    display: inline-block;
    margin-right: 10px;
    transition: transform 0.3s ease;
    font-size: 12px;
}

.accordion.active::before {
    transform: rotate(180deg);
}

.panel {
    padding: 0 18px;
    display: none;
    background-color: #fafbfc;
    border-left: 3px solid #004130;
    border-right: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
    overflow: hidden;
    animation: slideDown 0.3s ease;
}

.panel.show {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 1000px;
    }
}

.section-heading {
    font-size: 16px;
    font-weight: 600;
    color: #004130;
    margin: 20px 0 15px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #e0e0e0;
}

/* ============ Document Lists ============ */
.document-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 15px;
}

.document-item {
    padding: 15px;
    background: white;
    border-left: 4px solid #004130;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.document-item:hover {
    box-shadow: 0 4px 12px rgba(0, 65, 48, 0.15);
    transform: translateX(5px);
}

.document-item strong {
    color: #333;
    font-size: 1rem;
    display: block;
    margin-bottom: 8px;
}

.doc-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: #004130;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.doc-link:hover {
    background-color: #1a5a3f;
    transform: scale(1.05);
}

.doc-link .icon {
    font-size: 1.2rem;
}

/* ============ Monthly List (Grid) ============ */
.monthly-list {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.monthly-list .document-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
}

.monthly-list .document-item strong {
    margin: 0;
    font-size: 0.95rem;
}

.monthly-list .doc-link {
    padding: 6px 10px;
    font-size: 0.9rem;
}

/* ============ Footer ============ */
.main-footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 30px 0;
    margin-top: 40px;
    text-align: center;
}

.footer-content p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.last-update {
    color: #bdc3c7;
    font-size: 0.9rem;
    font-style: italic;
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
    .site-title {
        font-size: 1.8rem;
    }

    .site-subtitle {
        font-size: 1rem;
    }

    .documents-section {
        padding: 20px;
    }

    .nav-menu {
        gap: 2px;
    }

    .nav-menu li a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .accordion {
        font-size: 16px;
        padding: 14px;
    }

    .monthly-list {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .document-item {
        padding: 12px;
    }

    .section-heading {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 1.5rem;
    }

    .nav-menu {
        gap: 0;
    }

    .nav-menu li a {
        padding: 8px 10px;
        font-size: 0.75rem;
    }

    .monthly-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .documents-section {
        padding: 15px;
    }

    .container {
        padding: 0 15px;
    }
}

/* ============ Print Styles ============ */
@media print {
    .main-nav,
    .main-footer {
        display: none;
    }

    .main-header {
        padding: 20px 0;
    }

    .site-title {
        font-size: 2rem;
    }

    .documents-section {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .accordion,
    .panel {
        page-break-inside: avoid;
    }
}

/* ============ Utilidades ============ */
.loading {
    text-align: center;
    padding: 40px 20px;
    color: #004130;
    font-size: 1.1rem;
}

.no-data {
    text-align: center;
    padding: 30px 20px;
    color: #7f8c8d;
    background-color: #ecf0f1;
    border-radius: 4px;
    margin: 20px 0;
}