.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f1729 0%, #1a2235 50%, #0f1729 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(79, 70, 229, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    animation: authBgMove 20s ease-in-out infinite;
}

@keyframes authBgMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

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

.auth-brand {
    text-align: center;
    margin-bottom: 32px;
}

.auth-brand-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.auth-brand-icon i {
    font-size: 30px;
    color: white;
}

.auth-brand h1 {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.auth-brand p {
    color: #64748b;
    font-size: 14px;
    margin: 0;
}

.auth-card {
    background: rgba(26, 34, 53, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 40px 32px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.auth-card .card-title {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.auth-card .card-subtitle {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 24px;
}

.auth-card .form-label {
    color: #94a3b8;
}

.auth-card .form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    height: 48px;
}

.auth-card .form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.auth-card .form-control::placeholder {
    color: #475569;
}

.auth-card .input-group-text {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #64748b;
}

.auth-card .btn-primary {
    height: 48px;
    font-weight: 600;
    font-size: 15px;
}

.auth-card .form-check-label {
    color: #94a3b8;
    font-size: 13px;
}

.auth-card .form-check-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
}

.auth-links {
    text-align: center;
    margin-top: 20px;
}

.auth-links a {
    color: #64748b;
    font-size: 13px;
    text-decoration: none;
    transition: color 0.3s;
}

.auth-links a:hover {
    color: var(--primary-light);
}

.auth-alert {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    color: #fca5a5;
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.auth-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    color: #475569;
    font-size: 12px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 480px) {
    .auth-card {
        padding: 24px 20px;
    }
}