/* ==========================================================================
   VARIABLES DE DISEÑO (Colores, Fuentes y Bordes)
   ========================================================================== */
:root {
    --bg-main: #f4f6f9;
    --bg-card: #ffffff;
    --text-primary: #2d3748;
    --text-muted: #718096;
    --primary: #3182ce;
    --primary-hover: #2b6cb0;
    --success: #38a169;
    --danger: #e53e3e;
    --border-color: #e2e8f0;
    --radius: 8px;
    --transition: all 0.2s ease-in-out;
}

/* Base de la página */
.page-dashboard {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
}

/* Contenedor Principal con top padding para que no lo tape la navbar */
.dashboard-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 80vh;
}

/* ==========================================================================
   HEADER DEL DASHBOARD (Bienvenida y Botón de Acción)
   ========================================================================== */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.dashboard-welcome h1 {
    font-size: 1.8rem;
    margin: 0 0 5px 0;
    color: var(--text-primary);
}

.dashboard-welcome p {
    color: var(--text-muted);
    margin: 0;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

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

/* ==========================================================================
   TARJETAS DE ESTADÍSTICAS / MÉTRICAS
   ========================================================================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.metric-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.metric-card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 10px 0;
}

.metric-card .metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ==========================================================================
   TABLA DE ANUNCIOS / LISTADOS
   ========================================================================== */
.table-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    overflow: hidden;
}

.table-title-bar {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.2rem;
    font-weight: 600;
}

.responsive-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.responsive-table th, 
.responsive-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.responsive-table th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.responsive-table tbody tr:hover {
    background-color: #f8fafc;
}

/* Badges de Estado (Activo, Pausado, etc.) */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-active {
    background-color: #e6fffa;
    color: var(--success);
}

.badge-paused {
    background-color: #feebc8;
    color: #dd6b20;
}

/* Acciones en la tabla */
.action-links {
    display: flex;
    gap: 12px;
}

.action-links a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.link-edit { color: var(--primary); }
.link-edit:hover { text-decoration: underline; }
.link-delete { color: var(--danger); }
.link-delete:hover { text-decoration: underline; }

/* ==========================================================================
   RESPONSIVIDAD (Ajustes para Pantallas Chicas)
   ========================================================================== */
@media (max-width: 768px) {
    .responsive-table thead {
        display: none; /* Esconde los encabezados en móviles */
    }
    
    .responsive-table tr {
        display: block;
        border-bottom: 2px solid var(--border-color);
        padding: 10px 0;
    }
    
    .responsive-table td {
        display: flex;
        justify-content: space-between;
        padding: 10px 20px;
        border: none;
        font-size: 0.95rem;
    }
    
    .responsive-table td::before {
        content: attr(data-label); /* Usa atributos data-label para identificar las columnas */
        font-weight: 600;
        color: var(--text-muted);
    }
}