:root {
    --primary: #2c3e50;
    --secondary: #34495e;
    --accent: #3498db;
    --success: #27ae60;
    --warning: #e67e22;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: #f0f2f5;
    color: #333;
}

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

header {
    background-color: var(--primary);
    color: white;
    padding: 20px 0;
    text-align: center;
    border-bottom: 4px solid var(--accent);
}

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

.tabla-scroll {
    overflow-x: auto; /* Permite scroll horizontal en móviles */
}

.tabla-gestion {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.tabla-gestion th {
    background-color: var(--secondary);
    color: white;
    padding: 15px;
    text-align: left;
}

.tabla-gestion td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: bold;
}

.disponible { background: #d4edda; color: #155724; }
.ocupado { background: #fff3cd; color: #856404; }

.btn-action {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-return { background: #95a5a6; }