/**
 * SBN v1.0 - Styles d'authentification ultra-modernes
 * @package SBN
 * @version 1.0.0
 */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Effet de particules en arrière-plan */
.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.auth-container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease-out;
}

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

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.auth-card-wide {
    max-width: 600px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 30px -5px rgba(99, 102, 241, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 30px -5px rgba(99, 102, 241, 0.5);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px -5px rgba(99, 102, 241, 0.7);
    }
}

.auth-header h1 {
    font-size: 1.875rem;
    margin-bottom: var(--spacing-sm);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--font-weight-bold);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.auth-form {
    margin-bottom: var(--spacing-xl);
}

/* Wrapper pour mot de passe avec toggle */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .form-control {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.5rem;
    transition: color var(--transition-fast);
    border-radius: var(--radius-md);
}

.password-toggle:hover {
    color: var(--primary-from);
    background: var(--gray-100);
}

/* Checkbox personnalisée moderne */
.form-remember {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-lg) 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    transition: all var(--transition-fast);
    accent-color: var(--primary-from);
}

.checkbox-label input[type="checkbox"]:hover {
    border-color: var(--primary-from);
}

.link-forgot {
    color: var(--primary-from);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.link-forgot:hover {
    color: var(--primary-to);
}

/* Footer de la card */
.auth-footer {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Info en bas */
.auth-info {
    text-align: center;
    color: white;
    font-size: 0.875rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.auth-info a {
    color: white;
    text-decoration: underline;
    font-weight: var(--font-weight-medium);
    transition: opacity var(--transition-fast);
}

.auth-info a:hover {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .auth-page {
        padding: var(--spacing-md);
    }

    .auth-card {
        padding: var(--spacing-xl);
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }

    .auth-logo {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }
}

/* Effet de focus amélioré pour les inputs */
.auth-form .form-control:focus {
    transform: translateY(-2px);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), var(--shadow-md);
}

/* Animation du bouton submit */
.auth-form .btn-primary {
    position: relative;
    overflow: hidden;
}

.auth-form .btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.auth-form .btn-primary:hover::after {
    width: 300px;
    height: 300px;
}