/* 登录页：图形验证码 + Turnstile 占位 */
.login-captcha {
    --login-captcha-row-h: 44px;
    margin: 0.75rem 0 0.5rem;
}

.login-captcha label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}

.login-captcha__row {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.45rem;
    /* 与 .login-card input 的 margin-bottom 无关的独立行高，避免三项垂直错位 */
    min-height: var(--login-captcha-row-h);
}

.login-captcha input[name="captcha"] {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    max-width: 100%;
    box-sizing: border-box;
    height: var(--login-captcha-row-h);
    margin: 0;
    padding: 0 0.6rem;
    font-size: 0.95rem;
    line-height: 1.2;
}

.login-captcha__img {
    display: block;
    flex: 0 0 auto;
    align-self: center;
    height: var(--login-captcha-row-h);
    width: auto;
    max-width: min(160px, 35vw);
    margin: 0;
    object-fit: contain;
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    background: #f8f9fc;
    cursor: pointer;
}

.login-captcha__refresh {
    flex: 0 0 var(--login-captcha-row-h);
    align-self: center;
    width: var(--login-captcha-row-h);
    height: var(--login-captcha-row-h);
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 1px solid rgba(0, 0, 0, 0.18);
    border-radius: 6px;
    background: #f0f2f7;
    color: #333;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    line-height: 0;
}

.login-captcha__refresh:hover {
    background: #e4e8f0;
}

.login-captcha__refresh:focus-visible {
    outline: 2px solid #4a90d9;
    outline-offset: 2px;
}

.login-captcha__refresh-icon {
    display: block;
    width: 1.25rem;
    height: 1.25rem;
}

.login-captcha__turnstile {
    margin-top: 0.5rem;
}

/* 隐藏「主题与语言切换后将保存到本机…」说明文案 */
.login-ui-panel .hint {
    display: none;
}