/**
 * ============================================================
 * STYLES CSS DU FORMULAIRE D'INSCRIPTION
 * ============================================================
 * 
 * Ce fichier contrôle l'apparence visuelle du formulaire.
 * 
 * ORGANISATION :
 * 1. Variables CSS (couleurs, polices) — faciles à modifier
 * 2. Conteneur principal et étapes
 * 3. Cartes des cabinets
 * 4. Grille des créneaux
 * 5. Formulaire d'inscription
 * 6. Messages de succès/erreur
 * 7. Animations et responsive
 * ============================================================
 */

/* ─────────────────────────────────────────────────────────── */
/* VARIABLES CSS                                               */
/* Modifiez ces valeurs pour changer les couleurs du formulaire */
/* ─────────────────────────────────────────────────────────── */
:root {
    --fa-primary: #1a365d;       /* Bleu foncé (couleur principale) */
    --fa-primary-light: #2b6cb0; /* Bleu moyen */
    --fa-primary-lighter: #ebf4ff;/* Bleu très clair (fond) */
    --fa-accent: #c05621;        /* Orange (accent, boutons) */
    --fa-accent-hover: #9c4221;  /* Orange foncé (hover) */
    --fa-success: #276749;       /* Vert (succès) */
    --fa-success-light: #f0fff4; /* Vert clair (fond succès) */
    --fa-error: #c53030;         /* Rouge (erreurs) */
    --fa-error-light: #fff5f5;   /* Rouge clair (fond erreur) */
    --fa-text: #2d3748;          /* Texte principal */
    --fa-text-light: #718096;    /* Texte secondaire */
    --fa-border: #e2e8f0;        /* Bordures */
    --fa-bg: #f7fafc;            /* Fond de page */
    --fa-white: #ffffff;
    --fa-radius: 8px;            /* Arrondi des coins */
    --fa-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --fa-shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --fa-shadow-lg: 0 10px 15px rgba(0,0,0,0.07), 0 4px 6px rgba(0,0,0,0.05);
}

/* ─────────────────────────────────────────────────────────── */
/* CONTENEUR PRINCIPAL                                         */
/* ─────────────────────────────────────────────────────────── */
.fa-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--fa-text);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────── */
/* EN-TÊTE DES ÉTAPES (indicateur de progression)              */
/* ─────────────────────────────────────────────────────────── */
.fa-step-header {
    margin-bottom: 32px;
}

.fa-step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--fa-bg);
    border-radius: var(--fa-radius);
}

.fa-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--fa-border);
    color: var(--fa-text-light);
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.fa-step-number.fa-current {
    background: var(--fa-primary);
    color: var(--fa-white);
}

.fa-step-number.fa-done {
    background: var(--fa-success);
    color: var(--fa-white);
}

.fa-step-label {
    font-size: 13px;
    color: var(--fa-text-light);
    font-weight: 500;
}

.fa-step-arrow {
    color: var(--fa-border);
    font-size: 16px;
    margin: 0 4px;
}

.fa-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--fa-primary);
    margin: 0 0 8px 0;
}

.fa-subtitle {
    font-size: 15px;
    color: var(--fa-text-light);
    margin: 0;
}

/* ─────────────────────────────────────────────────────────── */
/* FILTRE PAR DOMAINE                                          */
/* ─────────────────────────────────────────────────────────── */
.fa-filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding: 12px 16px;
    background: var(--fa-white);
    border: 1px solid var(--fa-border);
    border-radius: var(--fa-radius);
}

.fa-filter-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--fa-text);
    white-space: nowrap;
}

.fa-select {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--fa-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--fa-text);
    background: var(--fa-white);
    cursor: pointer;
    max-width: 300px;
}

.fa-select:focus {
    outline: none;
    border-color: var(--fa-primary-light);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

/* ─────────────────────────────────────────────────────────── */
/* GRILLE DES CARTES CABINETS                                  */
/* ─────────────────────────────────────────────────────────── */
.fa-cabinets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.fa-cabinet-card {
    background: var(--fa-white);
    border: 1px solid var(--fa-border);
    border-radius: var(--fa-radius);
    padding: 24px;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--fa-shadow);
}

.fa-cabinet-card:hover {
    border-color: var(--fa-primary-light);
    box-shadow: var(--fa-shadow-md);
    transform: translateY(-2px);
}

.fa-cabinet-card.fa-hidden {
    display: none;
}

.fa-cabinet-icon {
    width: 48px;
    height: 48px;
    background: var(--fa-primary-lighter);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--fa-primary);
}

.fa-cabinet-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--fa-primary);
    margin: 0 0 12px 0;
}

.fa-cabinet-domains {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
    flex-grow: 1;
}

.fa-domain-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--fa-primary-lighter);
    color: var(--fa-primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.fa-cabinet-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    color: var(--fa-text-light);
    font-size: 13px;
}

.fa-duration {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ─────────────────────────────────────────────────────────── */
/* BOUTONS                                                     */
/* ─────────────────────────────────────────────────────────── */
.fa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.fa-btn-select-cabinet {
    width: 100%;
    background: var(--fa-primary);
    color: var(--fa-white);
}

.fa-btn-select-cabinet:hover {
    background: var(--fa-primary-light);
}

.fa-btn-back {
    background: none;
    border: none;
    color: var(--fa-primary-light);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    padding: 4px 0;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.fa-btn-back:hover {
    color: var(--fa-primary);
}

.fa-btn-submit {
    width: 100%;
    background: var(--fa-accent);
    color: var(--fa-white);
    padding: 14px 24px;
    font-size: 16px;
    margin-top: 8px;
}

.fa-btn-submit:hover {
    background: var(--fa-accent-hover);
}

.fa-btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.fa-btn-back-alt {
    background: var(--fa-primary);
    color: var(--fa-white);
}

/* ─────────────────────────────────────────────────────────── */
/* SÉLECTION DU DOMAINE                                        */
/* ─────────────────────────────────────────────────────────── */
.fa-domain-selector {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--fa-bg);
    border-radius: var(--fa-radius);
}

.fa-domain-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.fa-domain-btn {
    padding: 8px 16px;
    border: 2px solid var(--fa-border);
    border-radius: 20px;
    background: var(--fa-white);
    color: var(--fa-text);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.fa-domain-btn:hover {
    border-color: var(--fa-primary-light);
    color: var(--fa-primary);
}

.fa-domain-btn.fa-active {
    background: var(--fa-primary);
    border-color: var(--fa-primary);
    color: var(--fa-white);
}

/* ─────────────────────────────────────────────────────────── */
/* GRILLE DES CRÉNEAUX HORAIRES                                */
/* ─────────────────────────────────────────────────────────── */
.fa-slots-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.fa-day-section {
    background: var(--fa-white);
    border: 1px solid var(--fa-border);
    border-radius: var(--fa-radius);
    overflow: hidden;
}

.fa-day-header {
    padding: 14px 20px;
    background: var(--fa-primary);
    color: var(--fa-white);
    font-weight: 600;
    font-size: 16px;
}

.fa-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    padding: 16px;
}

.fa-slot-btn {
    padding: 12px 8px;
    border: 2px solid var(--fa-border);
    border-radius: 6px;
    background: var(--fa-white);
    color: var(--fa-text);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    transition: all 0.15s ease;
}

.fa-slot-btn:hover {
    border-color: var(--fa-primary);
    background: var(--fa-primary-lighter);
    color: var(--fa-primary);
}

.fa-slot-btn.fa-selected {
    border-color: var(--fa-primary);
    background: var(--fa-primary);
    color: var(--fa-white);
}

.fa-slot-btn.fa-unavailable {
    background: var(--fa-bg);
    color: #cbd5e0;
    cursor: not-allowed;
    text-decoration: line-through;
    border-color: transparent;
}

/* ─────────────────────────────────────────────────────────── */
/* FORMULAIRE D'INSCRIPTION                                    */
/* ─────────────────────────────────────────────────────────── */
.fa-form {
    max-width: 600px;
    margin: 0 auto;
}

.fa-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.fa-form-group {
    margin-bottom: 20px;
}

.fa-label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--fa-text);
}

.fa-required {
    color: var(--fa-error);
}

.fa-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--fa-border);
    border-radius: 6px;
    font-size: 15px;
    color: var(--fa-text);
    background: var(--fa-white);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.fa-input:focus {
    outline: none;
    border-color: var(--fa-primary-light);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

.fa-input.fa-input-error {
    border-color: var(--fa-error);
    box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.1);
}

/* Radio buttons personnalisés */
.fa-radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fa-radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid var(--fa-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.fa-radio-label:hover {
    border-color: var(--fa-primary-light);
    background: var(--fa-primary-lighter);
}

.fa-radio-label input[type="radio"] {
    accent-color: var(--fa-primary);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.fa-radio-label input[type="radio"]:checked + .fa-radio-custom + .fa-radio-text {
    color: var(--fa-primary);
    font-weight: 600;
}

.fa-radio-text {
    font-size: 14px;
    color: var(--fa-text);
}

/* ─────────────────────────────────────────────────────────── */
/* RÉCAPITULATIF DE LA RÉSERVATION                             */
/* ─────────────────────────────────────────────────────────── */
.fa-booking-summary {
    background: var(--fa-primary-lighter);
    border: 1px solid #bee3f8;
    border-radius: var(--fa-radius);
    padding: 20px;
    margin-bottom: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.fa-booking-summary .fa-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
}

.fa-booking-summary .fa-summary-label {
    color: var(--fa-text-light);
    font-weight: 500;
}

.fa-booking-summary .fa-summary-value {
    color: var(--fa-primary);
    font-weight: 600;
}

/* ─────────────────────────────────────────────────────────── */
/* MESSAGES                                                    */
/* ─────────────────────────────────────────────────────────── */
.fa-form-error {
    padding: 12px 16px;
    background: var(--fa-error-light);
    border: 1px solid #feb2b2;
    border-radius: 6px;
    color: var(--fa-error);
    font-size: 14px;
    margin-bottom: 16px;
}

.fa-error {
    padding: 24px;
    background: var(--fa-error-light);
    border: 1px solid #feb2b2;
    border-radius: var(--fa-radius);
    color: var(--fa-error);
    text-align: center;
}

.fa-no-slots {
    text-align: center;
    padding: 40px 20px;
    color: var(--fa-text-light);
    font-size: 16px;
}

/* ─────────────────────────────────────────────────────────── */
/* PAGE DE SUCCÈS                                              */
/* ─────────────────────────────────────────────────────────── */
.fa-success-container {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 40px 20px;
}

.fa-success-icon {
    color: var(--fa-success);
    margin-bottom: 20px;
}

.fa-success-title {
    font-size: 24px;
    color: var(--fa-success);
    margin: 0 0 12px 0;
}

.fa-success-text {
    color: var(--fa-text-light);
    font-size: 15px;
    margin-bottom: 24px;
}

/* ─────────────────────────────────────────────────────────── */
/* INDICATEUR DE CHARGEMENT                                    */
/* ─────────────────────────────────────────────────────────── */
.fa-loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--fa-text-light);
}

.fa-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--fa-border);
    border-top-color: var(--fa-primary);
    border-radius: 50%;
    animation: fa-spin 0.8s linear infinite;
    margin-bottom: 12px;
}

.fa-spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--fa-white);
    border-radius: 50%;
    animation: fa-spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes fa-spin {
    to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────────────────────── */
/* ANIMATIONS                                                  */
/* ─────────────────────────────────────────────────────────── */
.fa-step {
    animation: fa-fade-in 0.3s ease;
}

@keyframes fa-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────── */
/* RESPONSIVE (adaptation mobile)                              */
/* ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .fa-container {
        padding: 12px;
    }

    .fa-cabinets-grid {
        grid-template-columns: 1fr;
    }

    .fa-form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .fa-step-indicator {
        flex-wrap: wrap;
        gap: 4px;
    }

    .fa-step-label {
        font-size: 11px;
    }

    .fa-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .fa-select {
        max-width: 100%;
    }

    .fa-slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 6px;
    }

    .fa-slot-btn {
        padding: 10px 4px;
        font-size: 13px;
    }

    .fa-title {
        font-size: 20px;
    }

    .fa-booking-summary .fa-summary-row {
        flex-direction: column;
        gap: 2px;
    }
}