:root {
    --azul-principal: #006EA4;
    --azul-secundario: #5B9BD5;
    --azul-claro: #7AAFC9;
    --gris-tabla: #D9D9D9;
    --blanco: #ffffff;
    --verde-detalles: #198754;
}

/* NAVBAR */
.navbar {
    background-color: #006699;
}

.navbar-logo {
    height: 50px;
    margin-right: 20px;
}

.navbar-nav .nav-item {
    padding: 8px 0;
}

.navbar-nav .nav-link {
    padding: 8px 15px;
}

/* FORMULARIOS y BOTONES */
.form-check-input {
    width: 20px;
    height: 20px;
    border-color: var(--azul-principal);
}

.btn-outline-light:hover {
    background-color: #0056b3;
}

/* BACKGROUNDS PERSONALIZADOS */
.bg-info {
    background-color: #0056b3;
}

.bg-custom-secondary {
    background-color: var(--azul-secundario);
}

.bg-custom-secondary-mod {
    background-color: var(--azul-principal);
}

.bg-custom-secondary:hover {
    background-color: var(--azul-principal);
}

.bg-custom-light {
    background-color: var(--azul-principal)!important;
    color: var(--blanco)!important;
    border: none;
}

/* TABLAS */
.table {
    border: 1px solid #dee2e6;
}

.table th {
    background-color: #f8f9fa;
}

.table thead {
    background-color: var(--azul-claro);
}

.table-asistencia {
    width: 75%;
    margin: 0 auto;
}

.columna-nombre {
    min-width: 180px;
    max-width: 180px;
}

.columna-asiste {
    min-width: 60px;
}

/* SELECT FECHAS */
.form-select {
    font-size: 0.9rem;
    padding: 0.5rem;
}

/* BUSCADOR */
.input-group {
    max-width: 300px;
    margin-left: auto;
}

/* BOTÓN DETALLES */
.btn-detalles {
    background-color: var(--azul-secundario);
    color: var(--blanco);
    border: none;
    transition: all 0.3s ease;
}
.btn-detalles:hover {
    background-color: var(--azul-principal);
}

/* FULLCALENDAR */
#calendar {
    margin: 20px auto;
    padding: 20px;
    max-width: 1000px;
    background: var(--blanco);
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Barra superior calendario */
.fc-header-toolbar {
    background-color: var(--blanco);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

/* Título */
.fc .fc-toolbar-title {
    font-size: 1.6em;
    font-weight: bold;
    color: var(--azul-principal);
}

/* Botones generales */
.fc .fc-button {
    background-color: var(--azul-secundario);
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    color: var(--blanco);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.fc .fc-button:hover {
    background-color: var(--azul-secundario);
    transform: scale(1.05);
}

.fc .fc-button:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(91, 155, 213, 0.5);
}

.fc .fc-button-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    width: 100%;
}

/* Cabecera días de la semana */
.fc-theme-standard .fc-col-header-cell {
    background-color: var(--azul-claro) !important;
}

.fc .fc-col-header-cell-cushion {
    color: var(--blanco) !important;
    text-decoration: none;
    font-weight: bold;
}

/* Botones de izquierda y derecha del calendario */
.fc .fc-button-primary {
    background-color: var(--azul-principal);
    border-color: var(--azul-principal);
}

.fc .fc-button-primary:hover {
    background-color: var(--azul-secundario);
    border-color: var(--azul-secundario);
}

/* Botón Hoy del calendario */
.fc .fc-today-button {
    background-color: var(--verde-detalles)!important;
    border-color: var(--verde-detalles)!important;
    margin-top: 10px;
}

.fc .fc-today-button:hover {
    background-color: #145c39;
}

.fc .fc-daygrid-day-number {
    font-size: 0.9em;
    padding: 5px;
}

.fc-event {
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    background-color: var(--azul-principal)!important;
    border-color: var(--azul-principal)!important;
    color: var(--blanco);
    font-size: 0.85rem;
}

/*Modal para mostrar día no lectivo*/
.modal-header-custom {
    background-color: var(--azul-principal);
    border-bottom: none;
}

.modal-footer .btn-secondary {
    background-color: var(--azul-secundario);
    border: none;
    color: var(--blanco);
    transition: background-color 0.3s ease;
}

.modal-footer .btn-secondary:hover {
    background-color: var(--azul-principal);
}

/* MEDIA QUERIES */

/* TABLET (768px a 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    /* Navegación */
    .navbar-nav .nav-item {
        padding: 5px 0;
    }
    
    .navbar-nav .nav-link {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    /* Formularios y selects */
    .form-select-lg {
        height: 45px;
        padding: 0.5rem;
        font-size: 0.9rem;
        width: 100%;
        margin-bottom: 0;
    }

    .col-md-2 {
        width: auto;
        min-width: 100px;
        flex: 0 0 auto;
    }

    .col-md-3 {
        width: auto;
        min-width: 140px;
        flex: 0 0 auto;
    }

    .row.g-4.align-items-center {
        display: flex;
        flex-direction: row;
        justify-content: center;
        gap: 15px;
    }

    /* Botones */
    .btn-lg.bg-custom-secondary {
        height: 45px;
        padding: 0.5rem 2rem;
        margin-left: 5px;
    }

    /* Contenedores y tablas */
    .col-md-8 {
        width: 95%;
        max-width: 95%;
        margin: 0 auto;
    }

    .table-asistencia {
        width: 90%;
    }

    .columna-nombre {
        min-width: 160px;
        max-width: 160px;
    }

    .columna-asiste {
        min-width: 70px;
    }

    /* Calendario ajustes tablet */
    #calendar {
        padding: 10px;
        margin: 10px;
    }

    .fc .fc-toolbar {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .fc .fc-toolbar-chunk:nth-child(2) {
        order: -1;
    }

    .fc .fc-today-button {
        padding: 6px 12px;
        font-size: 0.9rem;
        margin-top: 5px;
    }
}

/* MÓVIL (max-width: 767px) */
@media (max-width: 767px) {
    /* Barra de navegación móvil */
    .navbar-nav .nav-item {
        padding: 5px 0;
    }
    
    .navbar-nav .nav-link {
        padding-left: 20px;
    }

    /* Formularios móvil */
    .form-select {
        font-size: 1.1rem;
        padding: 0.75rem;
        width: 200px;
        margin: 0 auto 1rem auto;
    }

    /* Contenedores móvil */
    .col-md-8, .col-md-6 {
        width: 100%;
        max-width: 100%;
        padding: 0 10px;
    }

    /* Tablas */
    .table-asistencia {
        width: 100%;
        font-size: 0.9rem;
    }

    .columna-nombre {
        min-width: 150px;
    }

    .columna-asiste {
        min-width: 80px;
    }

    .table-responsive {
        overflow-x: auto;
        margin: 0 -10px;
        padding: 0 10px;
    }

    /* Calendario */
    #calendar {
        min-height: 650px;
    }

    .fc .fc-toolbar-chunk:first-child {
        display: flex;
        justify-content: center;
        gap: 8px;
    }

    .fc .fc-today-button {
        min-width: 80px;
        margin: 0 4px;
        font-size: 0.75rem;
        padding: 6px 12px;
        margin: 10px auto;
        display: block;
    }

    .fc .fc-button-group {
        margin-bottom: 8px;
        justify-content: center;
        width: 100%;
    }
}