/* 运营管理后台 · 登录页
 * 风格与站点首页（/static/site/css/home.css）保持一致：
 * 浅色背景 + 蓝紫渐变 + 白卡片 + 圆角/阴影体系统一
 */

/* 沿用首页设计变量（缺失时兜底） */
:root {
    --brand: #2563eb;
    --grad: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --grad-brand: linear-gradient(135deg, #3b82f6 0%, #7c3aed 100%);
    --ink: #111827;
    --text: #374151;
    --text-2: #5b6b82;
    --text-3: #93a1b5;
    --line: #e5e9f0;
    --soft: #f6f8fb;
    --shadow: 0 10px 30px rgba(16, 24, 40, .08);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: #fff;
}

/* 主体容器：同首页 hero 的柔光底 */
.zg-login-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 24px 72px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(900px 420px at 12% -10%, rgba(59, 130, 246, .16), transparent 60%),
        radial-gradient(800px 400px at 88% 0%, rgba(124, 58, 237, .14), transparent 62%),
        #fff;
}
.zg-login-grid { display: none; }

/* 登录卡片 */
.zg-login-card {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    width: 920px;
    max-width: 100%;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* 左侧品牌区：与首页 .cta 同款渐变 */
.zg-login-brand {
    padding: 42px 38px;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 18px;
    background: var(--grad-brand);
    position: relative;
    overflow: hidden;
}
.zg-login-brand::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -120px;
    top: -120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .28), transparent 70%);
}
.zg-brand-top { position: relative; z-index: 1; }
.zg-brand-top .zg-logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    padding: 6px;
    background: #fff;
    margin-bottom: 18px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
}
.zg-login-brand h1 {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.45;
    letter-spacing: -.2px;
    font-weight: 700;
    color: #fff;
}
.zg-login-brand p {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .85);
}
.zg-brand-points {
    list-style: none;
    margin: auto 0 0;
    padding: 0;
    display: grid;
    gap: 11px;
    position: relative;
    z-index: 1;
}
.zg-brand-points li {
    font-size: 13px;
    color: rgba(255, 255, 255, .92);
    padding-left: 22px;
    position: relative;
}
.zg-brand-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
}
.zg-brand-points b { color: #fff; font-weight: 600; }
.zg-brand-foot {
    position: relative;
    z-index: 1;
    font-size: 11.5px;
    color: rgba(255, 255, 255, .75);
    border-top: 1px solid rgba(255, 255, 255, .28);
    padding-top: 14px;
}

/* 右侧表单区 */
.zg-login-form {
    padding: 44px 42px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #fff;
}
.zg-login-form h2 {
    margin: 0 0 6px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.2px;
    color: var(--ink);
}
.zg-login-sub {
    margin: 0 0 26px;
    color: var(--text-2);
    font-size: 13.5px;
}

.zg-field { position: relative; margin-bottom: 16px; }
.zg-field .zg-input {
    width: 100%;
    height: 46px;
    padding-left: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    color: var(--ink);
    font-size: 14px;
    transition: border-color .18s, box-shadow .18s;
}
.zg-field .zg-input::placeholder { color: var(--text-3); }
.zg-field .zg-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .14);
}
.zg-field .zg-field-ico {
    position: absolute;
    left: 14px;
    top: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-3);
    transition: color .18s;
}
.zg-field:focus-within .zg-field-ico { color: var(--brand); }
.zg-pwd-eye {
    position: absolute;
    right: 12px;
    top: 13px;
    cursor: pointer;
    font-size: 14px;
    opacity: .5;
    user-select: none;
}
.zg-pwd-eye:hover { opacity: 1; }

/* 错误提示 */
.zg-login-msg {
    display: none;
    margin-bottom: 14px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13px;
    background: #fef2f2;
    color: #b42318;
    border: 1px solid #fecaca;
}
.zg-login-msg.show { display: block; animation: zgShake .3s; }

/* 登录按钮：与首页 .btn-primary 同款 */
.zg-login-btn {
    width: 100%;
    height: 46px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 4px;
    border: 0;
    border-radius: 12px;
    color: #fff;
    background: var(--grad);
    box-shadow: 0 8px 20px rgba(37, 99, 235, .22);
    cursor: pointer;
    transition: filter .18s, box-shadow .18s;
}
.zg-login-btn:hover {
    color: #fff;
    filter: brightness(1.06);
    box-shadow: 0 10px 26px rgba(37, 99, 235, .3);
}
.zg-login-btn:disabled { opacity: .85; cursor: default; }

/* 演示账号提示：首页 soft/badge 风格 */
.zg-login-tip {
    margin-top: 22px;
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 12px;
    line-height: 1.7;
    color: var(--text-2);
    background: var(--soft);
    border: 1px solid var(--line);
    display: flex;
    gap: 8px;
    align-items: center;
}
.zg-login-tip-tag {
    flex: 0 0 auto;
    background: rgba(37, 99, 235, .1);
    color: var(--brand);
    border-radius: 6px;
    padding: 2px 7px;
    font-size: 11px;
    font-weight: 600;
}

/* 响应式 */
@media (max-width: 991px) {
    .zg-login-wrap { padding: 32px 16px 48px; }
    .zg-login-card { grid-template-columns: 1fr; }
    .zg-login-brand { padding: 28px 26px; gap: 12px; }
    .zg-login-brand h1 { font-size: 20px; }
    .zg-brand-points { display: none; }
    .zg-login-form { padding: 30px 26px; }
}
@media (max-width: 575px) {
    .zg-login-wrap { padding: 24px 12px 40px; }
    .zg-login-brand { padding: 24px 22px; }
    .zg-login-form { padding: 26px 20px; }
}

/* ===== 无权限 / 未分配权限提示页（403 与登录后无权限的出口页） =====
 * 复用登录页的设计变量：浅色柔光底 + 白卡片 + 蓝紫渐变，保持一致观感 */
.zg-na-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 24px 72px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(900px 420px at 12% -10%, rgba(59, 130, 246, .16), transparent 60%),
        radial-gradient(800px 400px at 88% 0%, rgba(124, 58, 237, .14), transparent 62%),
        #fff;
}
.zg-na-deco { position: absolute; border-radius: 50%; filter: blur(46px); z-index: 0; }
.zg-na-deco-a { width: 260px; height: 260px; left: -80px; bottom: -90px; background: rgba(59, 130, 246, .20); }
.zg-na-deco-b { width: 300px; height: 300px; right: -100px; top: -110px; background: rgba(124, 58, 237, .16); }

.zg-na-card {
    position: relative;
    z-index: 1;
    width: 660px;
    max-width: 100%;
    padding: 38px 42px 32px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: 0 18px 50px rgba(16, 24, 40, .10);
    animation: zgNaIn .38s cubic-bezier(.22, .68, .32, 1) both;
}
@keyframes zgNaIn {
    from { opacity: 0; transform: translateY(14px) scale(.985); }
    to   { opacity: 1; transform: none; }
}

/* 头部：图标 + 状态码 */
.zg-na-top { display: flex; align-items: center; gap: 18px; }
.zg-na-icon {
    position: relative;
    flex: 0 0 auto;
    width: 68px;
    height: 68px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    box-shadow: 0 12px 26px rgba(239, 68, 68, .26);
}
.zg-na-icon svg { width: 32px; height: 32px; }
.zg-na-code {
    position: absolute;
    right: -10px;
    bottom: -8px;
    min-width: 46px;
    height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--line);
    color: #ef4444;
    font-size: 12px;
    font-weight: 800;
    line-height: 22px;
    text-align: center;
    letter-spacing: .5px;
    box-shadow: 0 4px 10px rgba(16, 24, 40, .10);
}
.zg-na-title { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: -.2px; color: var(--ink); }
.zg-na-sub { margin: 7px 0 0; font-size: 13.5px; line-height: 1.8; color: var(--text-2); }
.zg-na-sub b { color: var(--ink); font-weight: 600; }
.zg-na-rule {
    display: inline-block;
    margin: 0 2px;
    padding: 1px 7px;
    border-radius: 6px;
    background: rgba(239, 68, 68, .08);
    color: #b42318;
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* 当前登录账号条 */
.zg-na-account {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    padding: 12px 14px;
    border-radius: 14px;
    background: var(--soft);
    border: 1px solid var(--line);
}
.zg-na-avatar {
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 6px 14px rgba(37, 99, 235, .24);
}
.zg-na-account-txt { min-width: 0; }
.zg-na-account-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.zg-na-account-meta { margin-top: 2px; font-size: 12px; color: var(--text-3); }
.zg-na-tag {
    margin-left: auto;
    flex: 0 0 auto;
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(37, 99, 235, .10);
    color: var(--brand);
    font-size: 11px;
    font-weight: 600;
}

/* 可访问页面 */
.zg-na-panel {
    margin-top: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
}
.zg-na-panel-hd {
    padding: 11px 14px;
    font-size: 12.5px;
    color: var(--text-2);
    background: var(--soft);
    border-bottom: 1px solid var(--line);
}
.zg-na-links { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.zg-na-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: #fff;
    color: var(--text);
    font-size: 13px;
    text-decoration: none;
    transition: background .16s, color .16s;
}
.zg-na-link:hover { background: rgba(37, 99, 235, .06); color: var(--brand); }
.zg-na-link svg { flex: 0 0 auto; width: 14px; height: 14px; color: var(--text-3); transition: transform .16s, color .16s; }
.zg-na-link:hover svg { color: var(--brand); transform: translateX(2px); }

/* 出口按钮 */
.zg-na-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.zg-na-btn {
    flex: 1 1 170px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 46px;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 13.5px;
    font-weight: 500;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    transition: filter .18s, box-shadow .18s, background .18s, border-color .18s, color .18s;
}
.zg-na-btn svg { width: 16px; height: 16px; }
.zg-na-btn-primary { color: #fff; background: var(--grad); box-shadow: 0 8px 20px rgba(37, 99, 235, .22); }
.zg-na-btn-primary:hover { color: #fff; filter: brightness(1.06); box-shadow: 0 10px 26px rgba(37, 99, 235, .30); }
.zg-na-btn-ghost { background: #fff; color: var(--text); border-color: var(--line); }
.zg-na-btn-ghost:hover { color: var(--brand); border-color: rgba(37, 99, 235, .40); background: rgba(37, 99, 235, .05); }
.zg-na-btn-danger { background: #fff; color: #b42318; border-color: #fecaca; }
.zg-na-btn-danger:hover { background: #fef2f2; color: #b42318; border-color: #fca5a5; }

.zg-na-help {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed var(--line);
    font-size: 12px;
    line-height: 1.85;
    color: var(--text-3);
}
.zg-na-help b { color: var(--text-2); font-weight: 600; }

@media (max-width: 575px) {
    .zg-na-wrap { padding: 28px 14px 44px; }
    .zg-na-card { padding: 28px 22px 26px; border-radius: 16px; }
    .zg-na-top { gap: 14px; }
    .zg-na-icon { width: 56px; height: 56px; border-radius: 16px; }
    .zg-na-title { font-size: 19px; }
    .zg-na-links { grid-template-columns: 1fr; }
    .zg-na-btn { flex: 1 1 100%; }
}

/* 主题切换时仍保持与首页一致的浅色风格（覆盖 main.css 中的深色登录样式） */
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-wrap {
    background:
        radial-gradient(900px 420px at 12% -10%, rgba(59, 130, 246, .16), transparent 60%),
        radial-gradient(800px 400px at 88% 0%, rgba(124, 58, 237, .14), transparent 62%),
        #fff;
}
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
}
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-brand { background: var(--grad-brand); }
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-brand::before { display: none; }
:is([data-theme="dark"], [data-theme="blue"]) .zg-brand-points b { color: #fff; }
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-form { background: #fff; }
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-form h2 { color: var(--ink); }
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-sub { color: var(--text-2); }
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-form .zg-field .zg-input {
    background: #fff;
    border: 1px solid var(--line);
    color: var(--ink);
}
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-form .zg-field .zg-input:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .14);
}
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-btn {
    background: var(--grad);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, .22);
}
:is([data-theme="dark"], [data-theme="blue"]) .zg-login-tip {
    background: var(--soft);
    color: var(--text-2);
    border-color: var(--line);
}

/* 无权限页：深色主题下同样强制浅色卡片 */
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-wrap {
    background:
        radial-gradient(900px 420px at 12% -10%, rgba(59, 130, 246, .16), transparent 60%),
        radial-gradient(800px 400px at 88% 0%, rgba(124, 58, 237, .14), transparent 62%),
        #fff;
}
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-card {
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 0 18px 50px rgba(16, 24, 40, .10);
}
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-title { color: var(--ink); }
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-sub { color: var(--text-2); }
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-sub b,
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-account-name { color: var(--ink); }
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-account,
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-panel-hd {
    background: var(--soft);
    border-color: var(--line);
}
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-link { background: #fff; color: var(--text); }
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-btn-ghost { background: #fff; color: var(--text); border-color: var(--line); }
::is([data-theme="dark"], [data-theme="blue"]) .zg-na-btn-danger { background: #fff; color: #b42318; border-color: #fecaca; }