html,
        body {
            height: 100%;
        }

        body {
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .auth-container {
            width: 100%;
            max-width: 340px;
            padding: 20px;
            text-align: center;
            animation: fadeInUp 0.6s ease-out backwards;
        }

        .logo {
            margin-bottom: 60px;
        }

        .logo img {
            width: 72px;
            height: 72px;
            opacity: 0.9;
            margin-bottom: 16px;
        }

        .logo-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .auth-title {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .auth-subtitle {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 40px;
        }

        .auth-form {
            text-align: left;
        }

        .form-input {
            text-align: center;
            font-size: 13px;
            letter-spacing: 0.5px;
        }

        .auth-btn {
            width: 100%;
            background: var(--text-primary);
            color: var(--bg-primary);
            border: none;
            border-radius: 50px;
            padding: 14px 24px;
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            cursor: pointer;
            transition: all 0.25s ease;
            margin-top: 24px;
            box-shadow: 0 0 40px var(--glow);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .auth-btn:hover {
            box-shadow: 0 0 60px var(--glow-strong);
            transform: translateY(-2px);
        }

        .auth-btn.loading .btn-text {
            display: none;
        }

        .auth-btn.loading .spinner {
            display: block;
        }

        .auth-btn .spinner {
            display: none;
            color: var(--bg-primary);
        }

        .divider {
            display: flex;
            align-items: center;
            gap: 16px;
            margin: 32px 0;
            color: var(--text-muted);
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        .auth-link {
            display: block;
            text-align: center;
            color: var(--text-secondary);
            text-decoration: none;
            padding: 14px 24px;
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .auth-link:hover {
            background: var(--bg-hover);
            border-color: var(--border-light);
            color: var(--text-primary);
        }

        .message {
            margin-bottom: 24px;
            text-align: center;
        }

        .back-link {
            position: fixed;
            top: 24px;
            left: 24px;
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            transition: color 0.2s ease;
        }

        .back-link:hover {
            color: var(--text-primary);
        }

        .back-link svg {
            width: 16px;
            height: 16px;
        }