/**
 * Estilos Vanilla CSS para el Módulo de Calendario de Eventos
 * COGITI Cádiz - Hub de Servicios
 * Ubicación: /pages/calendario/calendar.css
 */

/* ==========================================================================
   Contenedor Principal y Layout
   ========================================================================== */
.calendar-page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem 5rem 1rem;
}

/* ==========================================================================
   Banner de Cabecera
   ========================================================================== */
.calendar-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-md);
    padding: 1.5rem 2rem;
    text-align: center;
    color: #ffffff;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.calendar-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.calendar-banner-title {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.calendar-banner-divider {
    width: 60px;
    height: 2px;
    background-color: #4fc3f7;
    margin: 0.5rem auto 0.75rem auto;
    border-radius: 2px;
}

.calendar-banner-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
    font-weight: 400;
    max-width: 760px;
    margin: 0 auto 1rem auto;
    line-height: 1.5;
}

.calendar-banner-sync-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #ffffff;
}

.sync-dot {
    width: 8px;
    height: 8px;
    background-color: #4ade80;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #4ade80;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* ==========================================================================
   Barra de Herramientas y Filtros
   ========================================================================== */
.calendar-controls-panel {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow-sm);
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: all var(--transition-speed) ease;
}

.calendar-filters-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .calendar-filters-top {
        grid-template-columns: 2fr 1fr auto;
        align-items: center;
    }
}

.calendar-search-wrapper {
    position: relative;
    width: 100%;
}

.calendar-search-input {
    width: 100%;
    padding: 0.7rem 2.8rem 0.7rem 1.1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-light);
    color: var(--color-dark);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-speed) ease;
}

.calendar-search-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(11, 111, 158, 0.15);
    background-color: var(--color-white);
}

.calendar-search-icon {
    position: absolute;
    right: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    pointer-events: none;
    font-size: 0.95rem;
}

.calendar-search-clear {
    position: absolute;
    right: 2.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    padding: 0.25rem;
    display: none;
    font-size: 0.9rem;
}

.calendar-search-clear:hover {
    color: var(--color-primary);
}

.calendar-period-select {
    padding: 0.7rem 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-light);
    color: var(--color-dark);
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.calendar-period-select:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.calendar-view-toggle {
    display: inline-flex;
    background-color: var(--color-bg-light);
    padding: 0.25rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border);
}

.calendar-toggle-btn {
    background: none;
    border: none;
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--color-muted);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all var(--transition-speed) ease;
}

.calendar-toggle-btn:hover {
    color: var(--color-primary);
}

.calendar-toggle-btn.active {
    background-color: var(--color-white);
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: var(--box-shadow-sm);
}

.calendar-filters-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.filter-chip {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    padding: 0.45rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: inherit;
}

.filter-chip:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-secondary);
}

.filter-chip.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.filter-chip-count {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.1rem 0.45rem;
    border-radius: 20px;
    font-size: 0.75rem;
}

.filter-chip.active .filter-chip-count {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* ==========================================================================
   Contenedor de Resultados y Estadísticas
   ========================================================================== */
.calendar-results-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--color-muted);
}

.calendar-results-count {
    font-weight: 600;
    color: var(--color-dark);
}

.calendar-refresh-btn {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    padding: 0.4rem 0.85rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: inherit;
    transition: all var(--transition-speed) ease;
}

.calendar-refresh-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-secondary);
    background-color: var(--color-accent);
}

.calendar-refresh-btn.spinning i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Estados: Cargando, Error, Vacío
   ========================================================================== */
.calendar-state-box {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: var(--box-shadow-sm);
    margin: 2rem 0;
}

.calendar-spinner-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
}

.calendar-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

.calendar-state-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.calendar-state-desc {
    color: var(--color-muted);
    font-size: 0.95rem;
    max-width: 500px;
    margin: 0 auto 1.5rem auto;
    line-height: 1.5;
}

.calendar-state-icon {
    font-size: 3rem;
    color: var(--color-muted);
    margin-bottom: 1.25rem;
    opacity: 0.7;
}

.calendar-error-icon {
    color: #ef4444;
}

/* ==========================================================================
   Grilla y Lista de Eventos
   ========================================================================== */
.calendar-events-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .calendar-events-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1040px) {
    .calendar-events-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Modo Lista Compacta */
.calendar-events-grid.list-view {
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* ==========================================================================
   Tarjeta de Evento (Card)
   ========================================================================== */
.calendar-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
    position: relative;
}

.calendar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-md);
    border-color: var(--color-secondary);
}

.calendar-card-header {
    display: flex;
    align-items: stretch;
    background-color: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
}

.calendar-date-badge {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #ffffff;
    padding: 1rem 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 85px;
    text-align: center;
    flex-shrink: 0;
}

.calendar-date-day {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.calendar-date-month {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.2rem;
}

.calendar-date-year {
    font-size: 0.75rem;
    opacity: 0.85;
    font-weight: 500;
}

.calendar-header-info {
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.35rem;
    flex-grow: 1;
    overflow: hidden;
}

.calendar-weekday {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: capitalize;
}

.calendar-tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    width: fit-content;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.tag-curso {
    background-color: #e0f2fe;
    color: #0369a1;
}

.tag-jornada {
    background-color: #fef3c7;
    color: #b45309;
}

.tag-institucional {
    background-color: #f3e8ff;
    color: #7e22ce;
}

.tag-default {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.calendar-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    flex-grow: 1;
}

.calendar-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.4;
    margin: 0;
    word-break: break-word;
}

.calendar-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.88rem;
    color: var(--color-muted);
}

.calendar-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
}

.calendar-meta-item i {
    color: var(--color-secondary);
    margin-top: 0.2rem;
    width: 14px;
    text-align: center;
    flex-shrink: 0;
}

.calendar-card-desc {
    font-size: 0.88rem;
    color: var(--color-muted);
    line-height: 1.5;
    background-color: var(--color-bg-light);
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--color-secondary);
    word-break: break-word;
}

.calendar-card-desc a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
}

.calendar-card-desc a:hover {
    color: var(--color-secondary);
}

.calendar-card-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: auto;
}

.calendar-btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

.calendar-btn-link:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

.calendar-btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.45rem 0.9rem;
    border-radius: var(--border-radius-sm);
    background-color: var(--color-primary);
    color: #ffffff;
    text-decoration: none;
    transition: background-color var(--transition-speed) ease;
}

.calendar-btn-action:hover {
    background-color: var(--color-secondary);
    color: #ffffff;
}

/* ==========================================================================
   Modo Lista Específico
   ========================================================================== */
.calendar-events-grid.list-view .calendar-card {
    flex-direction: row;
    align-items: stretch;
}

.calendar-events-grid.list-view .calendar-card-header {
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    min-width: 220px;
    flex-shrink: 0;
}

.calendar-events-grid.list-view .calendar-card-body {
    justify-content: center;
}

.calendar-events-grid.list-view .calendar-card-footer {
    border-top: none;
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    justify-content: center;
    min-width: 180px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .calendar-events-grid.list-view .calendar-card {
        flex-direction: column;
    }
    .calendar-events-grid.list-view .calendar-card-header {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        min-width: 100%;
    }
    .calendar-events-grid.list-view .calendar-card-footer {
        border-left: none;
        border-top: 1px solid var(--color-border);
        flex-direction: row;
        min-width: 100%;
    }
}

/* ==========================================================================
   Integración con Modo Oscuro y Accesibilidad
   ========================================================================== */
body.dark .calendar-banner {
    background: linear-gradient(135deg, #0f2744, #1b4b73);
}

body.dark .tag-curso {
    background-color: #0c4a6e;
    color: #7dd3fc;
}

body.dark .tag-jornada {
    background-color: #78350f;
    color: #fde68a;
}

body.dark .tag-institucional {
    background-color: #581c87;
    color: #e9d5ff;
}

body.accessibility-contrast .calendar-banner {
    background: #000000 !important;
    border: 2px solid #ffffff !important;
}

body.accessibility-contrast .calendar-card,
body.accessibility-contrast .calendar-controls-panel,
body.accessibility-contrast .calendar-state-box {
    background: #000000 !important;
    border: 2px solid #ffffff !important;
}

body.accessibility-contrast .calendar-date-badge {
    background: #000000 !important;
    border-right: 2px solid #ffffff !important;
    color: #ffff00 !important;
}

/* ==========================================================================
   Vista Mensual (Month View - Estilo FullCalendar)
   ========================================================================== */
.calendar-month-container {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow-sm);
    margin-bottom: 2rem;
}

.calendar-month-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.calendar-month-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-dark);
    text-transform: capitalize;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calendar-month-nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.calendar-month-nav-btn {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-dark);
    padding: 0.45rem 0.85rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all var(--transition-speed) ease;
}

.calendar-month-nav-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-secondary);
}

/* Envoltorio con scroll horizontal responsivo para asegurar 7 columnas completas */
.calendar-grid-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
}

.calendar-month-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(110px, 1fr));
    min-width: 770px;
    gap: 1px;
    background-color: var(--color-border);
}

.calendar-month-day-header {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    text-align: center;
    padding: 0.75rem 0.5rem;
    letter-spacing: 0.5px;
}

.calendar-month-cell {
    background-color: var(--color-white);
    min-height: 120px;
    padding: 0.45rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    position: relative;
    transition: background-color var(--transition-speed) ease;
}

.calendar-month-cell:hover {
    background-color: #fafcfe;
}

.calendar-month-cell.other-month {
    background-color: #f8fafc;
    opacity: 0.55;
}

.calendar-month-cell.today {
    background-color: var(--color-accent);
}

.calendar-month-cell.today::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--color-primary);
}

.calendar-month-day-num {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e3a8a;
    align-self: flex-end;
    margin-bottom: 0.2rem;
}

/* Bloques de eventos tipo FullCalendar con colores vibrantes */
.calendar-month-event-item {
    font-size: 0.73rem;
    line-height: 1.3;
    padding: 0.3rem 0.45rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    color: #061a34;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    display: block;
    word-break: break-word;
    transition: all var(--transition-speed) ease;
}

.calendar-month-event-item:hover {
    filter: brightness(0.92);
    transform: scale(1.02);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

.calendar-month-event-item.tag-curso {
    background-color: #48bb78;
    color: #022c15;
}

.calendar-month-event-item.tag-curso-alt {
    background-color: #4fd1c5;
    color: #003632;
}

.calendar-month-event-item.tag-jornada {
    background-color: #f6ad55;
    color: #431407;
}

.calendar-month-event-item.tag-institucional {
    background-color: #90cdf4;
    color: #102a43;
}

.calendar-month-event-item.tag-default {
    background-color: #cbd5e1;
    color: #1e293b;
}

.calendar-month-event-item strong {
    font-weight: 800;
    margin-right: 0.25rem;
}