/* Pages connexion / inscription */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: rgba(22, 16, 44, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    animation: authSlideIn 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authSlideIn {
    from { opacity: 0; transform: translateY(24px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-brand-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 16px;
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

.auth-brand-icon .brand-logo-text {
    font-family: 'Outfit', 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.auth-brand-icon--img {
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.auth-brand-logo {
    width: 56px;
    height: 56px;
    border-radius: 0;
    object-fit: contain;
    display: block;
    background: transparent;
    box-shadow: none;
}

.auth-header h1 {
    color: #f8fafc;
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.auth-header p {
    color: #94a3b8;
    font-size: 0.95rem;
}

.auth-form .form-group {
    margin-bottom: 1.25rem;
}

.auth-form label {
    display: block;
    color: #cbd5e1;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.45rem;
}

.auth-form input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(12, 7, 29, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: #f8fafc;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.auth-form input::placeholder {
    color: #64748b;
}

.auth-btn {
    width: 100%;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border: none;
    padding: 0.9rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
    margin-top: 0.5rem;
}

.auth-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(139, 92, 246, 0.45);
}

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

.auth-divider {
    text-align: center;
    margin: 1.75rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
}

.auth-divider span {
    background: rgba(22, 16, 44, 0.95);
    padding: 0 0.75rem;
    color: #64748b;
    font-size: 0.8rem;
    position: relative;
}

.auth-link {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    color: #94a3b8;
}

.auth-link a {
    color: #a78bfa;
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    color: #c4b5fd;
}

.auth-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: none;
}

.auth-error.visible {
    display: block;
}

.alert {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: none;
    animation: authSlideIn 0.3s ease;
}

.alert-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #6ee7b7;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

.password-strength {
    display: none;
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s ease, background 0.3s ease;
}

.password-hint {
    display: none;
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 0.35rem;
}

.strength-weak { width: 33%; background: #ef4444; }
.strength-medium { width: 66%; background: #f59e0b; }
.strength-strong { width: 100%; background: #10b981; }