/* ===========================
   VARIABLES CSS - Palette de couleurs
   =========================== */
:root {
    --primary-color: #2c2a4a;
    --secondary-color: #4f4c7a;
    --accent-color: #FDB813;
    --success-color: #28a745;
    --light-bg: #f8f9fa;
    --dark-text: #343a40;
    --light-text: #EAEAEA;
}

/* ===========================
   TYPOGRAPHIE - Import des polices
   =========================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ===========================
   ARRIÈRE-PLAN ET CONTENEUR PRINCIPAL
   =========================== */

/* Mobile First - Conteneur principal */
.row.min-vh-100 {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    background-attachment: fixed;
    position: relative;
    padding: 2rem 1rem;
}

/* Effet de texture subtile */
.row.min-vh-100::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(44, 42, 74, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(253, 184, 19, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Responsive padding */
@media (min-width: 768px) {
    .row.min-vh-100 {
        padding: 3rem 2rem;
    }
}

@media (min-width: 1200px) {
    .row.min-vh-100 {
        padding: 4rem 2rem;
    }
}

/* ===========================
   CARTE D'INSCRIPTION
   =========================== */

.card {
    border-radius: 20px !important;
    border: none !important;
    box-shadow: 0 20px 60px rgba(44, 42, 74, 0.15) !important;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(44, 42, 74, 0.2) !important;
}

.card-body {
    padding: 2.5rem !important;
    font-family: 'Inter', sans-serif;
}

@media (max-width: 576px) {
    .card-body {
        padding: 2rem 1.5rem !important;
    }
}

/* En-tête de la carte */
.card .text-center.mb-4 h1 {
    font-family: 'Poppins', sans-serif;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card .text-center.mb-4 p {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 0;
}

.card .text-center.mb-4 .fa-user-plus {
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: pulseIcon 2s ease-in-out infinite;
}

@keyframes pulseIcon {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* Badges de type utilisateur */
.badge.bg-primary {
    background-color: var(--primary-color) !important;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* ===========================
   FORMULAIRE - STYLING DES ÉLÉMENTS GÉNÉRÉS
   =========================== */

/* Paragraphes du formulaire (form.as_p) */
form p {
    margin-bottom: 1.5rem;
    position: relative;
}

/* Labels du formulaire */
form p label {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    display: block;
    letter-spacing: 0.3px;
}

/* Champs de saisie générés */
form p input[type="text"],
form p input[type="email"],
form p input[type="password"],
form p input[type="tel"],
form p textarea,
form p select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    background-color: #fff;
    transition: all 0.3s ease;
    color: var(--dark-text);
}

form p input:focus,
form p textarea:focus,
form p select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(253, 184, 19, 0.1);
    transform: translateY(-1px);
}

form p input:valid {
    border-color: var(--success-color);
}

form p input.is-invalid,
form p textarea.is-invalid,
form p select.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Placeholder styling */
form p input::placeholder,
form p textarea::placeholder {
    color: #adb5bd;
    font-style: italic;
}

/* Messages d'erreur pour les champs */
form p .invalid-feedback,
form p .errorlist {
    display: block !important;
    color: #dc3545;
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    margin-top: 0.5rem;
    padding-left: 0.25rem;
}

form p .errorlist li {
    list-style: none;
    margin-bottom: 0.25rem;
}

form p .errorlist li::before {
    content: '⚠ ';
    margin-right: 0.5rem;
}

/* ===========================
   SECTION DE CONSENTEMENT
   =========================== */

.form-check {
    background-color: var(--light-bg);
    border-radius: 12px;
    padding: 1.25rem;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    position: relative;
}

.form-check:hover {
    border-color: var(--accent-color);
    background-color: rgba(253, 184, 19, 0.05);
}

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    margin-top: 0.1rem;
    border: 2px solid var(--secondary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.form-check-input:checked {
    background-color: var(--success-color);
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.2);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(79, 76, 122, 0.2);
}

.form-check-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dark-text);
    cursor: pointer;
    margin-left: 0.75rem;
    flex: 1;
}

/* Liens dans le consentement */
.form-check-label a {
    color: var(--accent-color) !important;
    font-weight: 600;
    text-decoration: underline;
    transition: all 0.3s ease;
}

.form-check-label a:hover {
    color: var(--primary-color) !important;
    text-decoration: none;
}

/* Astérisque obligatoire */
.form-check-label .text-danger {
    color: #dc3545 !important;
    font-weight: bold;
}

/* Message d'erreur pour le consentement */
.form-check .invalid-feedback {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 3px solid #dc3545;
    padding: 0.75rem;
    border-radius: 0 8px 8px 0;
    margin-top: 0.75rem;
}

/* ===========================
   ALERTE D'INFORMATION LÉGALE
   =========================== */

.alert-info {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.1) 0%, rgba(23, 162, 184, 0.05) 100%);
    border: 1px solid rgba(23, 162, 184, 0.2);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    font-family: 'Inter', sans-serif;
}

.alert-info .fa-info-circle {
    color: #17a2b8;
    font-size: 1.1rem;
}

.alert-info small {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--dark-text);
}

/* ===========================
   BOUTON DE SOUMISSION
   =========================== */

.btn-primary.btn-lg {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    letter-spacing: 0.5px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-transform: none;
}

.btn-primary.btn-lg::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transition: left 0.6s ease;
}

.btn-primary.btn-lg:hover::before {
    left: 100%;
}

.btn-primary.btn-lg:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(44, 42, 74, 0.3);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.btn-primary.btn-lg:active {
    transform: translateY(-1px);
}

/* État désactivé du bouton */
.btn-primary.btn-lg:disabled,
.btn-secondary.btn-lg {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    border: none;
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-primary.btn-lg:disabled::before,
.btn-secondary.btn-lg::before {
    display: none;
}

/* Animation du spinner */
.fa-spinner.fa-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===========================
   LIENS DE NAVIGATION
   =========================== */

.card-body hr {
    border-color: rgba(44, 42, 74, 0.1);
    margin: 2rem 0;
}

.card-body .text-muted a {
    color: var(--accent-color) !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.card-body .text-muted a:hover {
    color: var(--primary-color) !important;
    text-decoration: underline !important;
}

/* ===========================
   PIED DE PAGE DE LA CARTE
   =========================== */

.card-footer {
    background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%) !important;
    border-top: 1px solid rgba(44, 42, 74, 0.1) !important;
    border-radius: 0 0 20px 20px !important;
    padding: 1.25rem !important;
}

.card-footer small {
    font-family: 'Inter', sans-serif;
    color: var(--secondary-color) !important;
    font-weight: 500;
}

.card-footer .fa-lock {
    color: var(--success-color);
}

/* ===========================
   INFORMATIONS SUPPLÉMENTAIRES
   =========================== */

.text-center.mt-4 small {
    font-family: 'Inter', sans-serif;
    color: var(--secondary-color);
    line-height: 1.5;
    font-style: italic;
}

/* ===========================
   ANIMATIONS D'ENTRÉE
   =========================== */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: slideInUp 0.8s ease-out forwards;
}

/* ===========================
   RESPONSIVE - AMÉLIORATIONS MOBILES
   =========================== */

@media (max-width: 576px) {
    .card {
        border-radius: 15px !important;
        margin: 0 0.5rem;
    }
    
    .form-check {
        padding: 1rem;
    }
    
    .form-check-label {
        font-size: 0.9rem;
        margin-left: 0.5rem;
    }
    
    .btn-primary.btn-lg {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
    
    form p input,
    form p textarea,
    form p select {
        padding: 0.75rem;
    }
}

/* ===========================
   ACCESSIBILITÉ
   =========================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible pour l'accessibilité */
*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* ===========================
   ÉTATS DE VALIDATION VISUELS
   =========================== */

.form-validation-success {
    animation: validationSuccess 0.5s ease-out;
}

@keyframes validationSuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}