body {
    background: linear-gradient(135deg, #0d3b6e 0%, #1a6fa8 60%, #2196b0 100%) !important;
    min-height: 100vh;
    background-attachment: fixed !important;
}

main {
    background-color: transparent;
}

.container, .container-fluid {
    background-color: transparent;
}

.navbar {
    position: relative;
    z-index: 1030;
}

/* Títulos de página */
h3.fw-bold, h4.fw-bold {
    color: white !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Card de título de página */
.page-header {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.page-header h3,
.page-header h4 {
    color: white !important;
    margin-bottom: 0;
}

.page-header p {
    color: rgba(255,255,255,0.75) !important;
    margin-bottom: 0;
}

/* Excepción: títulos en fondo blanco */
.card h3.fw-bold,
.card h4.fw-bold,
.card h5.fw-bold,
.card h6.fw-bold {
    color: #0d3b6e !important;
    text-shadow: none !important;
}

/* Calendario semanal */
.tabla-horario {
    border-radius: 12px;
    overflow: hidden;
}

.tabla-horario th {
    font-size: 0.82rem;
    padding: 10px 6px;
    letter-spacing: 0.5px;
}

.tabla-horario td {
    height: 48px;
    font-size: 0.8rem;
    padding: 4px 6px;
    vertical-align: middle;
    transition: background-color 0.2s;
}

.tabla-horario tbody tr:hover td {
    filter: brightness(0.95);
}

.tabla-horario .slot-hora {
    font-weight: 600;
    color: #0d3b6e;
    background-color: #f0f4fb !important;
    font-size: 0.78rem;
    border-right: 2px solid #0d3b6e !important;
}

.slot-ocupado {
    background-color: #fdecea !important;
    border-left: 3px solid #dc3545 !important;
}

.slot-almuerzo {
    background-color: #fff8e1 !important;
    border-left: 3px solid #ffc107 !important;
}

.slot-libre {
    background-color: #f0f7ff !important;
}

.slot-inactivo {
    background-color: #f5f5f5 !important;
}