@import url("theme.css");
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--ui-bg);
    color: var(--ui-text);
    font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
[hidden] { display: none !important; }
.login-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 32px 20px;
}
.login-card {
    width: 100%;
    max-width: 420px;
    padding: 36px;
    border: 1px solid #e4e8ee;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 32px #26334d08;
}
.login-header { margin-bottom: 30px; text-align: center; }
.login-header h1 { margin: 0; font-size: 30px; line-height: 1.5; font-weight: 700; letter-spacing: 2px; }
.login-header p { margin: 6px 0 0; font-size: 14px; color: #8590a0; }
.login-form { display: grid; gap: 20px; }
.form-group, .login-form > label { display: block; margin: 0; min-width: 0; }
.form-group label, .login-form > label > span {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #465264;
}
.login-form input {
    width: 100%;
    min-width: 0;
    height: 46px;
    padding: 0 13px;
    background: #fff;
    border: 1px solid #d9dfe8;
    border-radius: 7px;
    outline: none;
    font-size: 14px;
    color: var(--ui-text);
}
.login-form input::placeholder { color: #a1aab7; }
.login-form input:focus { border-color: #4773c7; box-shadow: 0 0 0 3px #4773c710; }
.login-btn {
    width: 100%;
    height: 46px;
    margin-top: 4px;
    border: 0;
    border-radius: 7px;
    background: var(--ui-primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}
.login-btn:hover { background: var(--ui-primary-hover); }
.login-btn:disabled { opacity: .6; cursor: wait; }
.login-footer { margin-top: 24px; padding-top: 20px; border-top: 1px solid #edf0f4; text-align: center; }
.login-footer a { display: inline-block; padding: 5px 8px; color: #758195; font-size: 13px; text-decoration: none; }
.login-footer a:hover { color: var(--ui-primary); text-decoration: underline; text-underline-offset: 4px; }
button:focus-visible, a:focus-visible { outline: 2px solid #4773c7; outline-offset: 4px; }
.alert { margin: 0 0 20px; padding: 11px 13px; border: 1px solid #f0d3d3; border-radius: 7px; background: #fdf3f3; color: #b04444; font-size: 13px; line-height: 1.7; overflow-wrap: anywhere; }
.login-form + .alert, .login-card > .alert-error { margin-top: 20px; margin-bottom: 0; }
.captcha-row { display: grid; grid-template-columns: minmax(0, 1fr) 116px; gap: 10px; }
.captcha-image { height: 46px; padding: 0; overflow: hidden; border: 1px solid #d9dfe8; border-radius: 7px; background: var(--ui-bg); cursor: pointer; }
.captcha-image img { display: block; width: 100%; height: 100%; object-fit: contain; font-size: 13px; }
.captcha-image.loading { opacity: .5; }
.login-form small { display: block; margin-top: 8px; color: #8590a0; font-size: 12px; line-height: 1.7; }
@media (max-width: 480px) {
    .login-page { padding: 20px 16px; }
    .login-card { padding: 28px 24px; }
    .login-header h1 { font-size: 28px; }
}