/**
 * ============================================
 * FULLCALENDAR - MSI STUDIO DESIGN SYSTEM
 * ============================================
 *
 * Versión: 1.0.0
 * Autor: MSI Studio
 *
 * Estilos personalizados para FullCalendar que respetan
 * el design system de MSI Studio y soportan tema claro/oscuro.
 *
 * ESTRUCTURA:
 * 1. Variables específicas de FullCalendar
 * 2. Estilos generales del calendario
 * 3. Toolbar y navegación
 * 4. Vista de mes/semana/día
 * 5. Eventos
 * 6. Popovers y tooltips
 * 7. Responsive
 * 8. Dark mode
 */

/* ============================================
   VARIABLES ESPECÍFICAS DE FULLCALENDAR
   ============================================ */

:root {
    /* Backgrounds */
    --fc-bg-primary: var(--bg-primary);
    --fc-bg-secondary: var(--bg-secondary);
    --fc-bg-event: var(--blue-500);
    --fc-bg-event-hover: var(--blue-400);
    
    /* Borders */
    --fc-border-color: var(--border-primary);
    --fc-border-color-secondary: var(--border-secondary);
    
    /* Text */
    --fc-text-primary: var(--text-primary);
    --fc-text-secondary: var(--text-secondary);
    --fc-text-on-event: var(--text-primary-invert);
    
    /* Buttons */
    --fc-button-bg: var(--bg-fill-primary);
    --fc-button-bg-hover: var(--bg-fill-primary-hover);
    --fc-button-text: var(--text-primary-invert);
    --fc-button-border: var(--border-primary);
    
    /* Today highlight */
    --fc-today-bg: var(--cream-300);
    --fc-highlight-color: var(--yellow-200);
    
    /* Spacing */
    --fc-cell-padding: 0.5rem;
    --fc-event-padding: 0.25rem 0.5rem;
}

/* ============================================
   ESTILOS GENERALES DEL CALENDARIO
   ============================================ */

.fc {
    font-family: var(--font-primary);
    background-color: var(--fc-bg-primary);
    color: var(--fc-text-primary);
    border-radius: var(--radius-lg);
}

/* Contenedor principal */
.fc-view-harness {
    background-color: var(--fc-bg-primary);
}

/* Tabla del calendario */
.fc-scrollgrid {
    border-color: var(--fc-border-color) !important;
}

.fc-scrollgrid-section > * {
    border-color: var(--fc-border-color) !important;
}

/* Celdas */
.fc-daygrid-day,
.fc-timegrid-slot,
.fc-col-header-cell {
    border-color: var(--fc-border-color);
}

.fc-daygrid-day-frame {
    padding: var(--fc-cell-padding);
    background-color: var(--fc-bg-primary);
}

/* ============================================
   TOOLBAR Y NAVEGACIÓN
   ============================================ */

.fc-toolbar {
    background-color: var(--fc-bg-secondary);
    padding: var(--space-4);
    border-bottom: 1px solid var(--fc-border-color);
    gap: var(--space-3);
}

.fc-toolbar-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-semibold);
    color: var(--fc-text-primary);
    margin: 0;
}

/* Botones de navegación */
.fc-button {
    background-color: var(--fc-button-bg) !important;
    border: 1px solid var(--fc-button-border) !important;
    color: var(--fc-button-text) !important;
    font-weight: var(--font-medium);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-transform: capitalize;
}

.fc-button:hover {
    background-color: var(--fc-button-bg-hover) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.fc-button:focus {
    box-shadow: 0 0 0 3px var(--blue-200) !important;
    outline: none;
}

.fc-button:disabled {
    background-color: var(--bg-disabled) !important;
    color: var(--text-tertiary) !important;
    cursor: not-allowed;
    opacity: 0.5;
}

/* Botón activo */
.fc-button-active {
    background-color: var(--blue-600) !important;
    border-color: var(--blue-600) !important;
}

/* Grupo de botones */
.fc-button-group {
    gap: 0;
}

.fc-button-group > .fc-button {
    border-radius: 0;
    margin: 0;
}

.fc-button-group > .fc-button:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.fc-button-group > .fc-button:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

/* ============================================
   HEADER DE DÍAS
   ============================================ */

.fc-col-header {
    background-color: var(--fc-bg-secondary);
}

.fc-col-header-cell {
    padding: var(--space-3);
    font-weight: var(--font-semibold);
    color: var(--fc-text-primary);
    background-color: var(--fc-bg-secondary);
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    letter-spacing: 0.05em;
}

.fc-col-header-cell-cushion {
    padding: var(--space-2);
    color: var(--fc-text-primary);
    text-decoration: none;
}

/* ============================================
   CELDAS DE DÍA
   ============================================ */

/* Número del día */
.fc-daygrid-day-number {
    padding: var(--space-2);
    font-weight: var(--font-medium);
    color: var(--fc-text-primary);
    text-decoration: none;
}

/* Día de hoy */
.fc-day-today {
    background-color: var(--fc-today-bg) !important;
}

.fc-day-today .fc-daygrid-day-number {
    background-color: var(--blue-500);
    color: var(--text-primary-invert);
    border-radius: var(--radius-full);
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
}

/* Días fuera del mes actual */
.fc-day-other {
    background-color: var(--fc-neutral-bg-color);
}

.fc-day-other .fc-daygrid-day-number {
    color: var(--text-tertiary);
    opacity: 0.5;
}

/* Hover en días */
.fc-daygrid-day:hover {
    background-color: var(--fc-highlight-color);
    cursor: pointer;
}

/* ============================================
   EVENTOS
   ============================================ */

.fc-event {
    border: none !important;
    border-radius: var(--radius-md);
    margin-bottom: 2px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.fc-event:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Contenido del evento */
.fc-event-title {
    color: var(--fc-text-on-event);
    font-weight: var(--font-medium);
}

.fc-event-time {
    color: var(--fc-text-on-event);
    opacity: 0.9;
}

/* Eventos por color/categoría */
.fc-event.event-success {
    background-color: var(--success-green) !important;
}

.fc-event.event-warning {
    background-color: var(--alert-yellow) !important;
    color: var(--text-primary) !important;
}

.fc-event.event-error {
    background-color: var(--error-red) !important;
}

.fc-event.event-info {
    background-color: var(--turquoise-500) !important;
}

.fc-event.event-orange {
    background-color: var(--orange-500) !important;
}

.fc-event.event-green {
    background-color: var(--green-500) !important;
}

/* Badge "más eventos" */
.fc-daygrid-more-link {
    color: var(--text-accent);
    font-weight: var(--font-medium);
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.fc-daygrid-more-link:hover {
    background-color: var(--blue-100);
    color: var(--text-accent-hover);
    text-decoration: none;
}

/* ============================================
   VISTA DE LISTA
   ============================================ */

.fc-list {
    border-color: var(--fc-border-color);
}

.fc-list-event {
    background-color: var(--fc-bg-primary);
    border-color: var(--fc-border-color);
}

.fc-list-event:hover {
    background-color: var(--fc-highlight-color);
}

.fc-list-event-time {
    color: var(--fc-text-secondary);
}

.fc-list-event-title {
    color: var(--fc-text-primary);
}

.fc-list-day-cushion {
    background-color: var(--fc-bg-secondary);
    color: var(--fc-text-primary);
    font-weight: var(--font-semibold);
}

/* ============================================
   VISTA DE AGENDA (TIMEGRID)
   ============================================ */

.fc-timegrid-slot {
    height: 3rem;
    border-color: var(--fc-border-color);
}

.fc-timegrid-slot-label {
    color: var(--fc-text-secondary);
    font-size: var(--font-size-sm);
}

.fc-timegrid-now-indicator-line {
    border-color: var(--error-red);
    border-width: 2px;
}

.fc-timegrid-now-indicator-arrow {
    border-color: var(--error-red);
}

/* ============================================
   POPOVERS Y TOOLTIPS
   ============================================ */

.fc-popover {
    background-color: var(--bg-card);
    border: 1px solid var(--fc-border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.fc-popover-header {
    background-color: var(--fc-bg-secondary);
    color: var(--fc-text-primary);
    padding: var(--space-3);
    border-bottom: 1px solid var(--fc-border-color);
    font-weight: var(--font-semibold);
}

.fc-popover-body {
    padding: var(--space-2);
    background-color: var(--bg-card);
}

.fc-popover-close {
    color: var(--fc-text-secondary);
    opacity: 1;
    transition: color var(--transition-fast);
}

.fc-popover-close:hover {
    color: var(--fc-text-primary);
}

/* ============================================
   SCROLLBARS
   ============================================ */

.fc-scroller {
    scrollbar-width: thin;
    scrollbar-color: var(--neutral-400) var(--fc-bg-primary);
}

.fc-scroller::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.fc-scroller::-webkit-scrollbar-track {
    background: var(--fc-bg-primary);
}

.fc-scroller::-webkit-scrollbar-thumb {
    background-color: var(--neutral-400);
    border-radius: var(--radius-full);
    border: 2px solid var(--fc-bg-primary);
}

.fc-scroller::-webkit-scrollbar-thumb:hover {
    background-color: var(--neutral-500);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .fc-toolbar {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .fc-toolbar-title {
        font-size: var(--font-size-lg);
        text-align: center;
    }
    
    .fc-button {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-sm);
    }
    
    .fc-col-header-cell {
        font-size: var(--font-size-xs);
        padding: var(--space-2);
    }
    
    .fc-daygrid-day-number {
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   MultiMonth
   ============================================ */

.fc-multimonth-month {
    background-color: var(--fc-bg-secondary);
    border-color: var(--fc-bg-event);
}

.fc-multimonth-title {
    background-color: var(--fc-bg-secondary);
}

/* ============================================
   View Selector
   ============================================ */

.view-selector-menu {
    border: 1px solid var(--fc-border-color-secondary);
    border-radius: 8px;
}

.view-selector-item {
    background-color: var(--fc-bg-primary);
}

.view-selector-item:hover {
    background-color: var(--fc-highlight-color);
}

/* ============================================
   DARK MODE
   ============================================ */
[data-bs-theme="dark"] {
    /* Variables específicas para dark mode */
    --fc-bg-primary: var(--neutral-900);
    --fc-bg-secondary: var(--neutral-800);
    --fc-bg-event: var(--blue-600);
    --fc-bg-event-hover: var(--blue-400);
    --fc-border-color: var(--neutral-700);
    --fc-border-color-secondary: var(--neutral-600);
    --fc-text-primary: var(--neutral-100);
    --fc-text-secondary: var(--neutral-400);
    --fc-text-on-event: var(--neutral-100);
    --fc-button-bg: var(--blue-600);
    --fc-button-bg-hover: var(--blue-400);
    --fc-button-text: var(--neutral-100);
    --fc-today-bg: var(--blue-900);
    --fc-highlight-color: var(--neutral-800);
}

[data-bs-theme="dark"] .fc-day-today .fc-daygrid-day-number {
    background-color: var(--blue-400);
    color: var(--neutral-900);
}

[data-bs-theme="dark"] .fc-daygrid-more-link {
    background-color: var(--neutral-800);
    color: var(--blue-300);
}

[data-bs-theme="dark"] .fc-daygrid-more-link:hover {
    background-color: var(--neutral-700);
    color: var(--blue-200);
}

[data-bs-theme="dark"] .fc-scroller {
    scrollbar-color: var(--neutral-600) var(--neutral-900);
}

[data-bs-theme="dark"] .fc-scroller::-webkit-scrollbar-thumb {
    background-color: var(--neutral-600);
    border-color: var(--neutral-900);
}

[data-bs-theme="dark"] .fc-scroller::-webkit-scrollbar-thumb:hover {
    background-color: var(--neutral-500);
}

/* ============================================
   ANIMACIONES
   ============================================ */

@keyframes fadeInEvent {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fc-event {
    animation: fadeInEvent 0.2s ease-out;
}

/* ============================================
   UTILIDADES ADICIONALES
   ============================================ */

/* Ocultar elementos innecesarios */
.fc-daygrid-day-bg {
    background-color: transparent;
}

/* Mejorar selección de texto */
.fc-event-title,
.fc-event-time {
    user-select: none;
}

/* Focus visible para accesibilidad */
.fc-button:focus-visible {
    outline: 2px solid var(--blue-400);
    outline-offset: 2px;
}

.fc-daygrid-day:focus-visible {
    outline: 2px solid var(--blue-400);
    outline-offset: -2px;
}