/* --- Reset & Typographie Globale --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #d9e2ec;
    color: #1e293b;
    padding: 10px;
    display: flex;
    justify-content: center;
}

/* --- Conteneur Principal Mural --- */
.calendar-wrapper {
    background-color: #f1f5f9;
    width: 100%;
    max-width: 1380px;
    border: 2px solid #94a3b8;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* --- Header & Navigation --- */
.calendar-header {
    background: linear-gradient(to bottom, #f8fafc 0%, #e2e8f0 100%);
    border-bottom: 2px solid #94a3b8;
    padding: 8px 16px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.semester-subtitle {
    font-weight: bold;
    color: #475569;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0f172a;
    text-align: center;
}

.nav-controls {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 8px;
}

.year-label {
    font-size: 1.3rem;
    font-weight: 800;
    color: #334155;
    min-width: 50px;
    text-align: center;
}

.nav-arrow {
    background: linear-gradient(to bottom, #ffffff, #cbd5e1);
    border: 1px solid #64748b;
    border-radius: 4px;
    color: #2563eb;
    font-size: 1rem;
    font-weight: bold;
    padding: 4px 10px;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.15s ease-in-out;
}

.nav-arrow:hover {
    background: linear-gradient(to bottom, #eff6ff, #93c5fd);
    color: #1d4ed8;
}

/* --- Barre de Filtres des Zones --- */
.filters-bar {
    background-color: #ffffff;
    border-bottom: 1px solid #cbd5e1;
    padding: 8px 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 0.88rem;
}

.filters-label {
    font-weight: 600;
    color: #334155;
}

.filter-item {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid transparent;
}

.filter-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.custom-check {
    width: 14px;
    height: 14px;
    border: 1px solid #64748b;
    border-radius: 3px;
    display: inline-block;
    position: relative;
    background-color: #ffffff;
}

.filter-item input:checked + .custom-check::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 3px;
    height: 7px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Couleurs des Zones */
.check-a { background-color: #e53935; border-color: #b71c1c; }
.check-b { background-color: #fbc02d; border-color: #f57f17; }
.check-c { background-color: #43a047; border-color: #1b5e20; }
.check-corse { background-color: #8e24aa; border-color: #4a148c; }
.check-guadeloupe { background-color: #465f9d; border-color: #3b4a73; }
.check-martinique { background-color: #ffca00; border-color: #c29b02; }
.check-guyane { background-color: #869ece; border-color: #6c81ab; }
.check-reunion { background-color: #000091; border-color: #020269; }
.check-mayotte { background-color: #e4794a; border-color: #965133; }

.filter-item input:not(:checked) + .custom-check {
    background-color: #f1f5f9;
}

/* Tooltips au survol */
.filter-item[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #0f172a;
    color: #ffffff;
    padding: 6px 10px;
    font-size: 0.75rem;
    border-radius: 4px;
    white-space: normal;
    width: max-content;
    max-width: 280px;
    z-index: 100;
    box-shadow: 0 4px 8px rgba(0,0,0,0.25);
    margin-top: 6px;
    line-height: 1.3;
}

/* --- Grille du Calendrier Mural (6 mois) --- */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    background-color: #64748b;
    gap: 1px;
    flex-grow: 1;
}

.month-column {
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
}

.month-header {
    background: #f1f5f9;
    border-bottom: 2px solid #64748b;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 6px 2px;
    letter-spacing: 1px;
    color: #0f172a;
    text-transform: uppercase;
}

.days-list {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* Ligne de jour */
.day-row {
    display: flex;
    align-items: center;
    min-height: 22px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.76rem;
    position: relative;
    padding-right: 2px;
    background-color: #ffffff;
}

/* Sous-colonnes de vacances (bandes colorées continues et alignées) */
.vacation-slots {
    display: flex;
    height: 100%;
    align-self: stretch;
    flex-shrink: 0;
}

.vacation-slot {
    width: 4px;
    height: 100%;
    background-color: transparent;
}

/* Couleurs des bandes de vacances */
.vacation-slot.vac-A { background-color: #e53935; }
.vacation-slot.vac-B { background-color: #fbc02d; }
.vacation-slot.vac-C { background-color: #43a047; }
.vacation-slot.vac-Corse { background-color: #8e24aa; }
.vacation-slot.vac-Guadeloupe { background-color: #465f9d; }
.vacation-slot.vac-Martinique { background-color: #ffca00; }
.vacation-slot.vac-Guyane { background-color: #869ece; }
.vacation-slot.vac-Reunion { background-color: #000091; }
.vacation-slot.vac-Mayotte { background-color: #e4794a; }

/* Contenu textuel de la ligne du jour */
.day-num {
    width: 18px;
    text-align: right;
    font-weight: 600;
    padding-right: 4px;
    padding-left: 2px;
    flex-shrink: 0;
}

.day-letter {
    width: 14px;
    font-weight: 700;
    text-align: center;
    flex-shrink: 0;
}

.day-saint {
    flex-grow: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-left: 2px;
    font-size: 0.74rem;
}

.week-num {
    font-size: 0.72rem;
    font-weight: 800;
    color: #0f172a;
    width: 20px;
    text-align: right;
    padding-right: 2px;
    flex-shrink: 0;
}

/* Couleurs spécifiques aux types de jours (conforme à la capture d'écran) */
/* Samedi */
.day-row.saturday {
    background-color: #edf2f7;
}

/* Dimanche */
.day-row.sunday {
    background-color: #edf2f7;
}
.day-row.sunday .week-num {
    color: #ffffff;
}

/* Jours fériés */
.day-row.holiday {
    background-color: #ffb3ba;
    color: #b71c1c;
    font-weight: 700;
}
.day-row.holiday .day-saint {
    text-transform: uppercase;
    font-weight: bold;
}

/* Jour actuel */
.day-row.today {
    background-color: #3f6de0 !important;
    color: #ffffff !important;
    font-weight: 800;
}
.day-row.today .week-num {
    color: #ffffff;
}

/* Cellule vide (pour les mois de moins de 31 jours) */
.day-row.empty {
    background-color: #f8fafc;
    border-bottom: 1px solid #f1f5f9;
}

/* --- Pied de page / Information légale Cookies --- */
.cookie-notice {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;                     /* Espace entre le texte et le bouton */
    padding: 10px 16px;
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
    font-size: 0.82rem;
    color: #475569;
}

.cookie-notice p {
    margin: 0;                     /* Supprime les marges par défaut du paragraphe */
    flex: 1;                       /* Permet au texte d'occuper l'espace disponible */
    line-height: 1.4;
}

/* Bouton aligné à droite, compact et non déformable */
.cookie-notice .btn-info {
    flex-shrink: 0;                /* Empêche le bouton de s'écraser */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    background: #ffffff;
    border: 1px solid #94a3b8;
    color: #334155;
    font-size: 0.9rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;           /* Garde le libellé/icône sur une ligne */
}

.cookie-notice .btn-info:hover {
    background: #f1f5f9;
    border-color: #64748b;
    color: #0f172a;
}

/* Adaptation pour les écrans très étroits (smartphones) */
@media (max-width: 600px) {
    .cookie-notice {
        flex-direction: column;    /* Repasse l'un sous l'autre si l'écran est trop étroit */
        align-items: flex-start;
        gap: 8px;
    }

    .cookie-notice .btn-info {
        align-self: flex-end;      /* Maintient le bouton à droite en mode mobile */
    }
}

/* --- Responsive : Mode mobile / écran étroit (< 900px) --- */
@media (max-width: 900px) {
    body {
        padding: 4px;
    }

    .calendar-grid {
        grid-template-columns: 1fr; /* Affichage sur une seule colonne */
    }

    .calendar-header {
        grid-template-columns: 1fr;
        gap: 8px;
        text-align: center;
    }

    .semester-subtitle {
        text-align: center;
    }

    .nav-controls {
        justify-self: center;
    }

    .filters-bar {
        justify-content: center;
    }

    .day-row {
        min-height: 28px;
        font-size: 0.85rem;
    }

    .day-num {
        width: 24px;
    }

    .day-letter {
        width: 18px;
    }

    .day-saint {
        font-size: 0.82rem;
    }

    /* Amélioration de l'ergonomie mobile des tooltips */
    .filter-item[data-tooltip]:hover::before {
        display: none;
    }

}