/* Login Interface Ultra-Moderne */
.login-register-area {
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.login-register-area .row {
    justify-content: center;
}

/* Colonne principale du formulaire (spécifique à la page login) */
.login-register-area .col-lg-6 {
    flex: 0 0 auto;
    max-width: 320px;
}

.login-container {
    position: relative;
    z-index: 2;
    max-width: 420px;
    margin: 0 auto;
}

.login-card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(25px);
    border-radius: 20px;
    padding: 1.6rem 1.4rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18),
                0 0 0 1px rgba(255, 255, 255, 0.25),
                inset 0 1px 0 rgba(255, 255, 255, 0.35);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: #01A6C7;
    border-radius: 24px 24px 0 0;
}

.login-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.25),
                0 0 0 1px rgba(255, 255, 255, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 0.9rem;
}

.login-logo {
    width: 56px;
    height: 56px;
    background: #01A6C7;
    border-radius: 20px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 35px rgba(1, 166, 199, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.login-logo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.login-logo i {
    font-size: 1.5rem;
    color: white;
    z-index: 2;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 800;
    background: #01A6C7;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-subtitle {
    color: #64748b;
    font-size: 0.95rem;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.form-group-modern {
    margin: 0 auto 0.9rem;
    position: relative;
    max-width: 250px; 
}

.form-group-modern .form-control {
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.8rem 0.9rem 0.8rem 2.6rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #333;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(15px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.form-group-modern .form-control:focus {
    border-color: #01A6C7;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 4px rgba(1, 166, 199, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: #333;
}

.form-group-modern .form-control::placeholder {
    color: #94a3b8;
    font-weight: 500;
}

.form-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
    font-size: 1rem;
    transition: all 0.3s ease;
    z-index: 3;
}

.form-group-modern:focus-within .form-icon {
    color: #01A6C7;
    transform: translateY(-50%) scale(1.1);
}

.btn-login-modern {
    background: #01A6C7;
    border: none;
    border-radius: 10px;
    padding: 0.85rem 1.4rem;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    width: 100%;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 12px 28px rgba(1, 166, 199, 0.28),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.btn-login-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-login-modern:hover::before {
    left: 100%;
}

.btn-login-modern:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 45px rgba(1, 166, 199, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-login-modern:active {
    transform: translateY(-1px);
}

.alert-modern {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.alert-modern .alert-message {
    color: #dc2626;
    font-weight: 600;
}

/* Variante masquée par défaut pour certains messages serveur */
.alert-modern-hidden {
    display: none;
}

.login-footer {
    text-align: center;
    margin-top: 1.1rem;
    padding-top: 1.1rem;
    border-top: 1px solid #e2e8f0;
}

.login-footer p {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0 0 12px;
}

.login-footer a {
    color: #01A6C7;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: #003B66;
}

/* Animations d'entrée */
.login-card {
    animation: slideInUp 0.6s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    .login-register-area {
        min-height: 50vh;
        padding: 16px 0;
    }
    
    .login-card {
        margin: 0.8rem;
        padding: 1.2rem 1rem;
    }
    
    .login-title {
        font-size: 1.35rem;
    }
    
    .login-logo {
        width: 48px;
        height: 48px;
    }
    
    .login-logo i {
        font-size: 1.1rem;
    }
}

/* Classes de validation */
.form-control.is-invalid {
    border-color: #dc2626;
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

.form-control.is-valid {
    border-color: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* Bordure rouge pour les erreurs */
.form-control.error-border {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1) !important;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Supprimer les messages de validation du navigateur */
.form-control:invalid {
    box-shadow: none !important;
}

.form-control:invalid:focus {
    box-shadow: 0 0 0 4px rgba(1, 166, 199, 0.1) !important;
}

/* Messages d'erreur personnalisés */
.custom-error-message {
    margin-top: 8px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    font-size: 14px;
    color: #dc2626;
    animation: slideDown 0.3s ease-out;
}

.error-text {
    font-weight: 500;
    line-height: 1.4;
}

/* Message d'erreur global */
.global-error-message {
    margin-top: 20px;
    padding: 16px 20px;
    background: #fef2f2;
    border: 2px solid #fecaca;
    border-radius: 12px;
    animation: slideDown 0.3s ease-out;
}

.global-error-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.global-error-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.global-error-text {
    font-size: 16px;
    font-weight: 600;
    color: #dc2626;
    line-height: 1.4;
}

/* Cacher l'icône du champ quand il y a une erreur */
.form-group-modern.has-error .form-icon {
    display: none;
}

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