/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* Layout principal */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 200px;
    background: linear-gradient(180deg, #1a5c52 0%, #145248 100%);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 20px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    text-align: left;
}

.nav-item i {
    margin-right: 10px;
    font-size: 16px;
}

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

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: white;
    font-weight: 500;
    border-left: 3px solid #4ade80;
}

.sidebar-footer {
    padding: 15px;
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 200px;
    flex: 1;
    padding: 30px 40px;
    background-color: #f5f7fa;
}

/* View Sections */
.view-section {
    display: none;
}

.view-section.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Content Wrapper */
.content-wrapper {
    max-width: 1200px;
}

.page-title {
    font-size: 22px;
    font-weight: 600;
    color: #1a5c52;
    margin-bottom: 25px;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a5c52;
    margin-bottom: 8px;
}

.card-subtitle {
    font-size: 14px;
    color: #16a085;
    margin-bottom: 25px;
    line-height: 1.5;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.form-select,
.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
    transition: border-color 0.2s;
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: #1a5c52;
}

.checkbox-label {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #555;
    cursor: pointer;
}

.checkbox-label input {
    margin-right: 8px;
}

/* Filters Row */
.filters-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

/* Buttons */
.btn-export {
    background: #16a085;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
    margin-bottom: 25px;
}

.btn-export:hover {
    background: #138d75;
}

/* AQI Dashboard */
.aqi-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0;
}

.aqi-main-card {
    background: linear-gradient(135deg, #e8f5f3 0%, #f0f9f7 100%);
    border: 1px solid #d0e8e4;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
}

.aqi-main-card h4 {
    font-size: 16px;
    color: #1a5c52;
    margin-bottom: 5px;
}

.aqi-date {
    font-size: 12px;
    color: #666;
    margin-bottom: 15px;
}

.aqi-value {
    font-size: 48px;
    font-weight: 700;
    margin: 15px 0 5px 0;
}

.aqi-label {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.aqi-bar {
    height: 12px;
    background: linear-gradient(to right, 
        #4CAF50 0%, #4CAF50 16.66%,
        #FFD700 16.66%, #FFD700 33.33%,
        #FFA500 33.33%, #FFA500 50%,
        #FF6B6B 50%, #FF6B6B 66.66%,
        #9C27B0 66.66%, #9C27B0 83.33%,
        #8B0000 83.33%, #8B0000 100%
    );
    border-radius: 6px;
    position: relative;
    margin: 15px 0;
}

.aqi-bar-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: rgba(255,255,255,0.3);
    border-radius: 6px;
    transition: width 0.5s ease;
}

.aqi-contaminant {
    font-size: 13px;
    color: #555;
    margin-top: 10px;
}

/* Indicators Grid */
.indicators-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.indicator-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 15px;
    text-align: center;
}

.indicator-title {
    font-size: 14px;
    font-weight: 600;
    color: #1a5c52;
    margin-bottom: 8px;
}

.indicator-value {
    font-size: 24px;
    font-weight: 700;
    color: #1a5c52;
    margin-bottom: 5px;
}

.indicator-unit {
    font-size: 11px;
    color: #666;
}

/* AQI Message Card */
.aqi-message-card {
    background: white;
    border-left: 4px solid #4CAF50;
    border-radius: 4px;
    padding: 20px;
    margin-top: 20px;
}

.aqi-message-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #4CAF50;
    margin-bottom: 10px;
}

.aqi-message-card p {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.aqi-recommendation {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    font-size: 14px;
    color: #555;
}

.aqi-recommendation i {
    color: #ffc107;
    margin-right: 5px;
}

.aqi-recommendation strong {
    display: block;
    margin-bottom: 8px;
    color: #333;
}

/* Loading Message */
.loading-message {
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 14px;
}

.loading-message i {
    font-size: 24px;
    margin-bottom: 10px;
    display: block;
}

/* Table */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead {
    background: #1a5c52;
    color: white;
}

.data-table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 500;
    font-size: 13px;
}

.data-table tbody tr {
    border-bottom: 1px solid #e0e0e0;
    transition: background 0.2s;
}

.data-table tbody tr:hover {
    background: #f8f9fa;
}

.data-table td.fuera-rango {
    background: #fff3e0;
    font-weight: 600;
    color: #e65100;
}

.data-table td {
    padding: 12px 15px;
    color: #555;
}

.empty-message {
    text-align: center;
    color: #999;
    padding: 40px 20px !important;
    font-style: italic;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.pagination button {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: white;
    color: #555;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.pagination button:hover {
    background: #f0f0f0;
}

.pagination button.active {
    background: #1a5c52;
    color: white;
    border-color: #1a5c52;
}

/* Chart Container */
.chart-container {
    margin: 25px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    min-height: 400px;
}

.chart-info {
    text-align: center;
    font-size: 13px;
    color: #666;
    margin-top: 15px;
}

/* Color States for AQI */
.aqi-bueno { color: #4CAF50; border-color: #4CAF50; }
.aqi-moderado { color: #FFD700; border-color: #FFD700; }
.aqi-sensible { color: #FFA500; border-color: #FFA500; }
.aqi-no-saludable { color: #FF6B6B; border-color: #FF6B6B; }
.aqi-muy-no-saludable { color: #9C27B0; border-color: #9C27B0; }
.aqi-peligroso { color: #8B0000; border-color: #8B0000; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Botón Hamburguesa (oculto por defecto) */
.hamburger-menu {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 2000;
    background: #1a5c52;
    border: none;
    border-radius: 6px;
    padding: 12px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hamburger-menu span {
    display: block;
    width: 24px;
    height: 3px;
    background: white;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Overlay para cerrar sidebar en móvil */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

/* ============================================
   TABLETS - 1024px y menos
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        width: 180px;
    }
    
    .main-content {
        margin-left: 180px;
        padding: 25px;
    }
    
    .filters-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .indicators-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 8px;
    }
}

/* ============================================
   MÓVILES - 768px y menos
   ============================================ */
@media (max-width: 768px) {
    /* Mostrar botón hamburguesa */
    .hamburger-menu {
        display: block;
    }
    
    /* Sidebar oculto por defecto en móvil */
    .sidebar {
        width: 250px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    /* Sidebar visible cuando está activo */
    .sidebar.active {
        transform: translateX(0);
    }
    
    /* Mostrar overlay cuando sidebar está activo */
    .sidebar.active ~ .sidebar-overlay {
        display: block;
    }
    
    /* Main content ocupa todo el ancho */
    .main-content {
        margin-left: 0;
        padding: 70px 15px 20px 15px; /* Espacio para hamburger */
        width: 100%;
    }
    
    /* Filtros en columna única */
    .filters-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .filter-group {
        width: 100%;
    }
    
    /* Dashboard en columna */
    .aqi-dashboard {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* Indicadores en 2 columnas */
    .indicators-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    /* Ajustes de tablas - Scroll horizontal */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 8px;
    }
    
    .data-table {
        min-width: 600px; /* Ancho mínimo para scroll */
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 6px;
        white-space: nowrap;
    }
    
    /* Paginación más compacta */
    .pagination-controls {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .pagination-info {
        text-align: center;
        order: -1;
    }
    
    .pagination-buttons {
        justify-content: center;
    }
    
    /* Botones más pequeños */
    .btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    /* Cards más compactos */
    .card {
        padding: 15px;
    }
    
    .card-header h2 {
        font-size: 16px;
    }
    
    /* Gráficos responsive */
    .chart-container {
        padding: 15px;
        min-height: 300px;
    }
    
    /* Selector de central más grande */
    .central-selector select {
        font-size: 16px; /* Evita zoom en iOS */
    }
}

/* ============================================
   MÓVILES PEQUEÑOS - 480px y menos
   ============================================ */
@media (max-width: 480px) {
    .main-content {
        padding: 60px 10px 15px 10px;
    }
    
    /* Sidebar más estrecho en móviles pequeños */
    .sidebar {
        width: 220px;
    }
    
    /* Indicadores en 1 columna */
    .indicators-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    /* Indicador más compacto */
    .indicator-card {
        padding: 12px;
    }
    
    .indicator-label {
        font-size: 11px;
    }
    
    .indicator-value {
        font-size: 20px;
    }
    
    .indicator-unit {
        font-size: 11px;
    }
    
    /* AQI Card más compacto */
    .aqi-number {
        font-size: 48px;
    }
    
    .aqi-label {
        font-size: 16px;
    }
    
    /* Tabla aún más compacta */
    .data-table {
        font-size: 11px;
    }
    
    .data-table th,
    .data-table td {
        padding: 6px 4px;
    }
    
    /* Botones apilados */
    .filters-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .filters-actions .btn {
        width: 100%;
    }
    
    /* Inputs y selects full width */
    .filter-group input,
    .filter-group select {
        font-size: 16px; /* Evita zoom en iOS */
    }
    
    /* Mensajes más compactos */
    .message-card {
        padding: 12px;
    }
    
    .message-card p {
        font-size: 13px;
    }
    
    /* Gráficos más pequeños en móviles */
    .chart-container {
        min-height: 250px;
        padding: 10px;
    }
    
    /* Paginación más compacta */
    .pagination-buttons button {
        padding: 6px 10px;
        font-size: 12px;
        min-width: 32px;
    }
    
    .pagination-info {
        font-size: 12px;
    }
}

/* ============================================
   LANDSCAPE EN MÓVILES
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
    .sidebar {
        width: 200px;
    }
    
    .sidebar-header {
        padding: 15px 10px;
    }
    
    .sidebar-nav {
        padding: 10px 0;
    }
    
    .nav-item {
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .main-content {
        padding: 15px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .sidebar,
    .hamburger-menu,
    .filters-row,
    .pagination-controls,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    
    .data-table {
        font-size: 10px;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}