/* ==========================================================================
   C12：独立登录 / 注册 / 管理员登录页的外壳样式
   卡片本体（.login-card / .lg-* / .lg-role / .lr-tab）全部复用 home.css 里
   自 原型/01-PC端.html 逐字移植的规则，这里只负责「整页居中 + 品牌 + 页脚」。
   ========================================================================== */

body.auth-standalone {
    min-height: 100vh;
    background:
        radial-gradient(1000px 620px at 12% -8%, rgba(30, 94, 255, .30), transparent 62%),
        radial-gradient(820px 520px at 88% 108%, rgba(200, 164, 94, .22), transparent 60%),
        linear-gradient(150deg, #0b1730, #0d1f42 52%, #0a1730);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 96px 24px 72px;
    font-family: var(--font-ui);
    color: var(--ink);
}

.auth-brand {
    position: fixed;
    top: 22px;
    left: 28px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    z-index: 10;
}

.auth-brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #c8a45e, #e0b878);
    color: #2a1d06;
    font-size: 17px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45);
}

.auth-brand-text {
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .02em;
}

.auth-standalone-main {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* 卡片本体在 home.css 里，这里只补独立页需要的少量补充 */
body.auth-standalone .login-card {
    width: 420px;
}

body.auth-standalone .login-card .lg-close {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    line-height: 1;
}

body.auth-standalone .login-card form input {
    width: 100%;
    box-sizing: border-box;
}

body.auth-standalone .login-card .lg-code button:disabled {
    opacity: .55;
    cursor: not-allowed;
}

/* 「当前已登录」卡（用户 2026-09-21）：登录页不再把已登录的人弹走，改为在页顶说清是谁、继续登录即切换 */
body.auth-standalone .login-card .lg-signed {
    margin: 0 0 14px;
    padding: 12px 14px;
    border: 1px solid #d8e4ff;
    border-radius: 12px;
    background: linear-gradient(120deg, #f2f6ff, #eaf0ff);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

body.auth-standalone .login-card .lg-signed .lgs-main {
    flex: 1 1 220px;
    min-width: 0;
}

body.auth-standalone .login-card .lg-signed .lgs-main b {
    display: block;
    font-size: 13px;
    font-weight: 800;
    color: var(--primary-dark, #123ea8);
}

body.auth-standalone .login-card .lg-signed .lgs-main span {
    display: block;
    margin-top: 4px;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--text-mid, #4c586b);
}

body.auth-standalone .login-card .lg-signed .lgs-ops {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

body.auth-standalone .login-card .lg-signed .lgs-btn {
    padding: 7px 13px;
    border-radius: 9px;
    border: 1px solid var(--line, #e8ecf5);
    background: #fff;
    color: var(--text-mid, #4c586b);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

body.auth-standalone .login-card .lg-signed .lgs-btn:hover {
    border-color: #c7d7fb;
    color: var(--primary-dark, #123ea8);
    background: #fff;
}

body.auth-standalone .login-card .lg-signed .lgs-btn.ghost {
    background: transparent;
}

body.auth-standalone .login-card .lg-signed .lgs-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}

body.auth-standalone .auth-foot {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, .52);
}

body.auth-standalone .auth-foot a {
    color: rgba(255, 255, 255, .72);
    text-decoration: none;
}

body.auth-standalone .auth-foot a:hover {
    color: #fff;
}

@media (max-width: 560px) {
    body.auth-standalone {
        padding: 84px 16px 64px;
        align-items: flex-start;
    }

    .auth-brand {
        top: 18px;
        left: 18px;
    }

    body.auth-standalone .login-card {
        width: 100%;
    }
}