/* Estilos basados en los colores adjuntos */
:root {
    --color-primario: #1a2a6c;      /* Azul oscuro de la imagen */
    --color-secundario: #b21f1f;    /* Rojo oscuro */
    --color-terciario: #fdbb2d;     /* Amarillo/naranja */
    --color-blanco: #ffffff;
    --color-gris-claro: #f5f5f5;
    --color-gris: #777;
    --color-exito: #27ae60;
    --color-peligro: #e74c3c;
    --color-advertencia: #f39c12;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, var(--color-primario), var(--color-secundario), var(--color-terciario));
    color: #333;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(to right, var(--color-primario), var(--color-secundario));
    color: white;
    padding: 15px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo img {
    height: 80px;
    width: auto;
}

.titulo h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    font-weight: bold;
}

.titulo h2 {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: normal;
}

.user-info {
    position: absolute;
    right: 20px;
    top: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-logout {
    background: var(--color-peligro);
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s;
}

.btn-logout:hover {
    background: #c0392b;
}

/* Navegación */
nav {
    background: rgba(255, 255, 255, 0.95);
    padding: 12px 0;
    border-bottom: 2px solid var(--color-primario);
}

nav a {
    color: var(--color-primario);
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 5px;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s;
}

nav a:hover {
    background: var(--color-primario);
    color: white;
}

/* Contenido principal */
main {
    background-color: rgba(255, 255, 255, 0.97);
    margin-top: 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 30px;
    min-height: 70vh;
}

/* Footer */
footer {
    background: var(--color-primario);
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
}

footer p {
    margin: 5px 0;
}

.version {
    font-size: 0.9em;
    opacity: 0.7;
    margin-top: 10px;
}

/* Estilos para login */
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 40px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.login-container h1 {
    color: var(--color-primario);
    text-align: center;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-primario);
    font-weight: bold;
}

.form-group input, 
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primario);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.2);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-primario);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

.btn:hover {
    background: var(--color-secundario);
    transform: translateY(-2px);
}

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

.btn-exito:hover {
    background: #219653;
}

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

.btn-peligro:hover {
    background: #c0392b;
}

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

.btn-advertencia:hover {
    background: #e67e22;
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .user-info {
        position: static;
        justify-content: center;
        margin-top: 15px;
    }
    
    nav a {
        display: block;
        margin: 5px 0;
        text-align: center;
    }
}
/* ============================================= */
/* ESTILOS PARA LA MATRIZ DE RESERVAS */
/* ============================================= */

/* Tabla matriz */
table {
    border-collapse: collapse;
    width: 100%;
    margin: 0;
}

.celda-matriz {
    min-width: 60px;
    height: 40px;
    cursor: default;
    transition: all 0.2s;
    position: relative;
}

.celda-matriz:hover {
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* Estados de celdas */
.celda-matriz.disponible {
    background-color: white;
}

.celda-matriz.disponible:hover {
    background-color: #e8f4fd;
}

.celda-matriz.pendiente {
    background-color: #fff3cd;
    border-color: #ffc107 !important;
}

.celda-matriz.aprobado {
    background-color: #d4edda;
    border-color: #28a745 !important;
}

.celda-matriz.rechazado {
    background-color: #f8d7da;
    border-color: #dc3545 !important;
}

.celda-matriz.ocupado-otro {
    background-color: #e9ecef;
    border-color: #6c757d !important;
}

/* D¨ªas fin de semana */
.weekend {
    background-color: #f8f9fa !important;
    color: #666;
}

/* Responsive para matriz */
@media (max-width: 1200px) {
    .celda-matriz {
        min-width: 50px;
        height: 35px;
        font-size: 0.8em;
    }
}

@media (max-width: 768px) {
    .celda-matriz {
        min-width: 40px;
        height: 30px;
        font-size: 0.7em;
    }
    
    .matriz-controls {
        flex-direction: column;
        align-items: stretch;
    }
}