/* GENERAL */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7fa;
    color: #333;
}

h2 {
    text-align: center;
    margin-top: 20px;
    color: #003366;
}

main {
    padding: 20px;
}

/* HEADER */
header {
    background-color: #003366;
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

header .logo img {
    margin-right: 15px;
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
}

/* FOOTER */
footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.1);
}

/* FORMULARIO */

.main-form button {
    background-color: #003366;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
  
}
.bloque {
    margin-bottom: 20px;
}

.login-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: #003366;
    text-align: center;
}

.login-subtitle {
    margin-bottom: 1.5rem;
    color: #666;
    text-align: center;
}

.login-error {
    background-color: #fdecea;
    color: #c0392b;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #e74c3c;
    border-radius: 6px;
    text-align: center;
}

/* TABLA */

.tabla-scroll {
    overflow-x: auto;
    max-width: 100%;
}

.tabla-scroll table {
    min-width: 1000px; /* Ajusta esto si quieres que tenga scroll horizontal */
    border-collapse: collapse;
    width: 100%;
}

.tabla-scroll th, .tabla-scroll td {
    padding: 10px;
    border: 1px solid #ccc;
    text-align: center;
    white-space: nowrap; /* evita saltos de línea */
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px auto;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
}

thead th {
    background-color: #003366;
    color: #fff;
    padding: 12px;
    border: 1px solid #ccc;
    font-size: 1rem;
    text-transform: uppercase;
}

tbody th {
    background-color: #e8eef5;
    font-weight: 600;
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}

td {
    padding: 12px;
    border: 1px solid #ddd;
    min-width: 60px;
    background-color: white;
    transition: background-color 0.3s;
}

tbody tr:nth-child(even) {
    background-color: #f7f9fc;
}

tbody tr:hover td {
    background-color: #e3f1ff;
}

/* FILAS ESPECIALES */
tbody tr th.Salas,
tbody tr.Salas th,
tbody tr.Salas td {
    background-color: #f0f0f0;
    font-style: italic;
    color: #555;
}

/* CELDAS RESERVADAS */
td[colspan] {
    text-align: center;
    font-weight: bold;
    font-size: 0.95rem;
    background-color: #ffeeba;
    border: 2px solid #ffc107;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.05);
}

/* Dinámicamente se pueden aplicar clases de color adicionales con PHP */
.reserva-verde {
    background-color: #c6f6c6 !important;
    border-color: #28a745;
    color: #004d00;
}

.reserva-azul {
    background-color: #d6eaff !important;
    border-color: #007bff;
    color: #002366;
}

.reserva-roja {
    background-color: #ffe5d9 !important;
    border-color: #dc3545;
    color: #7f0000;
}