/* Additional styles – will be moved to signup.css later */
        .auth-page {
            max-width: 480px;
            margin: 0 auto;
            padding: 40px 24px 64px;
            min-height: 70vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .auth-page .auth-card {
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 40px 32px;
            box-shadow: 0 8px 32px rgba(124, 58, 237, .08);
        }
        .auth-page .auth-card h1 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 4px;
        }
        .auth-page .auth-card .subtitle {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 24px;
        }
        .auth-page .auth-card .form-group {
            margin-bottom: 16px;
        }
        .auth-page .auth-card .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .auth-page .auth-card .form-group input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 12px;
            font-size: 14px;
            background: var(--bg-2);
            font-family: inherit;
            transition: border-color .2s;
        }
        .auth-page .auth-card .form-group input:focus {
            outline: none;
            border-color: var(--purple);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, .1);
        }
        .auth-page .auth-card .form-group .error-msg {
            color: #ef4444;
            font-size: 12px;
            margin-top: 4px;
            display: none;
        }
        .auth-page .auth-card .form-group .error-msg.show {
            display: block;
        }
        .auth-page .auth-card .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin: 16px 0;
            font-size: 13px;
            color: var(--muted);
        }
        .auth-page .auth-card .checkbox-group input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-top: 2px;
            flex-shrink: 0;
            accent-color: var(--purple);
        }
        .auth-page .auth-card .checkbox-group a {
            color: var(--purple);
            font-weight: 600;
        }
        .auth-page .auth-card .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 15px;
            border-radius: 14px;
            justify-content: center;
            margin-top: 4px;
        }
        .auth-page .auth-card .btn-submit:disabled {
            opacity: .6;
            cursor: not-allowed;
        }
        .auth-page .auth-card .divider {
            display: flex;
            align-items: center;
            gap: 16px;
            margin: 24px 0;
            color: var(--muted-2);
            font-size: 12px;
        }
        .auth-page .auth-card .divider::before,
        .auth-page .auth-card .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border);
        }
        .auth-page .auth-card .social-btn {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg);
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: all .2s;
            color: var(--text);
        }
        .auth-page .auth-card .social-btn:hover {
            border-color: var(--text);
            background: var(--panel-2);
        }
        .auth-page .auth-card .auth-footer {
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
            color: var(--muted);
        }
        .auth-page .auth-card .auth-footer a {
            color: var(--purple);
            font-weight: 600;
        }
        .auth-page .auth-card .password-hint {
            font-size: 12px;
            color: var(--muted-2);
            margin-top: 4px;
        }
        .auth-page .auth-card .toast {
            background: #ef4444;
            color: #fff;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 13px;
            margin-bottom: 16px;
            display: none;
        }
        .auth-page .auth-card .toast.show {
            display: block;
        }
        .auth-page .auth-card .toast.success {
            background: var(--green);
        }
        @media (max-width: 600px) {
            .auth-page .auth-card {
                padding: 28px 20px;
            }
            .auth-page .auth-card h1 {
                font-size: 24px;
            }
        }