/* ============================================================
 * 图床系统 v2 · 设计系统
 * 采用 up.sc.cn 的视觉语言（主色 #4671ff、侧边栏工作台布局），
 * 变量集中在此，改主题只需改这里。
 * ============================================================ */

:root {
    --bs-primary: #4671ff;
    --primary: #4671ff;
    /* Bootstrap 自带的是 #0d6efd 的 rgb；landing 等样式用 rgba(var(--bs-primary-rgb), a) ，
       这里对齐成我们的品牌色，否则高亮/阴影会偏蓝 */
    --bs-primary-rgb: 70, 113, 255;
    --primary-hover: #2d57e8;
    --primary-light: rgba(70, 113, 255, .1);
    --surface: #f1f5f9;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --sidebar-width: 260px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .06);
    --c-success: #16a34a;
    --c-danger: #dc2626;
    --c-warning: #d97706;

    /*
     * 把 Bootstrap 自己那套变量也接到我们的主题上。
     *
     * 必须接 —— 否则 `.card` 之类的组件会带着 Bootstrap 的 `--bs-body-color`（#212529）
     * 把里面的文字染成深灰，深色主题下就变成「深灰字 + 深底」看不见。
     * （踩过：卡片标题、表单 label 全是暗的，光看截图还以为是动画没跑完。）
     * 这些值引用我们的主题变量，所以换主题时会自动跟着变。
     */
    --bs-body-color: var(--text-main);
    --bs-body-bg: var(--surface);
    --bs-secondary-color: var(--text-muted);
    --bs-emphasis-color: var(--text-main);
    --bs-heading-color: var(--text-main);
    --bs-border-color: var(--border-color);
    --bs-link-color: var(--primary);
    --bs-link-hover-color: var(--primary-hover);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--surface);
    color: var(--text-main);
    font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
hr { border: 0; border-top: 1px solid var(--border-color); margin: 16px 0; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
/* Bootstrap 会把 code 染成粉色，看着像报错，这里收敛成中性色 */
code { color: inherit; }

/* ---------- 布局 ---------- */
.app-layout { display: flex; min-height: 100vh; }

.app-sidebar {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1040;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 20px 16px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
}
.sidebar-brand i { color: var(--primary); font-size: 20px; }

.sidebar-nav { padding: 0 12px 12px; flex: 1; }

.nav-label {
    padding: 14px 10px 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: .06em;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    color: var(--text-main);
    font-size: 13.5px;
    transition: background .15s, color .15s;
}
.nav-item:hover { background: var(--surface); color: var(--text-main); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.nav-item i { font-size: 16px; width: 18px; text-align: center; }

.sidebar-footer { padding: 12px; border-top: 1px solid var(--border-color); }
.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius-md);
    background: var(--surface);
}
.user-avatar {
    width: 36px; height: 36px; flex: 0 0 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 15px;
    text-transform: uppercase;
}
.user-info { min-width: 0; flex: 1; }
.user-info .name { font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-info .role { font-size: 11.5px; color: var(--text-muted); }
.logout-btn { color: var(--text-muted); padding: 4px; border-radius: 8px; display: flex; }
.logout-btn:hover { color: var(--c-danger); background: var(--card-bg); }

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.app-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1020;
}
.app-header h5 { margin: 0; font-size: 16px; font-weight: 600; }

.app-content { padding: 24px; flex: 1; }
.content-wrap { max-width: 1400px; margin: 0 auto; }

.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, .4);
    z-index: 1035;
}

@media (max-width: 991.98px) {
    .app-sidebar {
        position: fixed;
        left: 0; top: 0;
        transform: translateX(-100%);
        transition: transform .2s ease;
    }
    .app-sidebar.show { transform: none; }
    .sidebar-backdrop.show { display: block; }
    .app-content { padding: 16px; }
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}
.card-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.card-header h5 { margin: 0; font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.card-body { padding: 20px; }
.card-header-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--primary-light);
    color: var(--primary);
    display: inline-flex; align-items: center; justify-content: center;
    margin-right: 10px;
}

/* ---------- 徽标 / 药丸 ---------- */
.badge-soft {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: var(--surface);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}
.badge-soft.p-ok      { background: rgba(22, 163, 74, .1);  color: var(--c-success); border-color: rgba(22, 163, 74, .25); }
.badge-soft.p-fail    { background: rgba(220, 38, 38, .08); color: var(--c-danger);  border-color: rgba(220, 38, 38, .22); }
.badge-soft.p-warn    { background: rgba(217, 119, 6, .1);  color: var(--c-warning); border-color: rgba(217, 119, 6, .25); }
.badge-soft.p-primary { background: var(--primary-light);   color: var(--primary);   border-color: rgba(70, 113, 255, .25); }

.quota-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    background: rgba(22, 163, 74, .1);
    color: var(--c-success);
    border: 1px solid rgba(22, 163, 74, .22);
}
.quota-pill.is-low { background: rgba(217, 119, 6, .1); color: var(--c-warning); border-color: rgba(217, 119, 6, .25); }
.quota-pill.is-out { background: rgba(220, 38, 38, .08); color: var(--c-danger); border-color: rgba(220, 38, 38, .22); }

/* ---------- 概览条 ---------- */
.hero-stats {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #4671ff, #2d57e8);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    margin-bottom: 20px;
}
.hero-stats h4 { margin: 0 0 4px; font-size: 18px; font-weight: 600; color: #fff; }
.hero-stats .subtitle { font-size: 13px; opacity: .85; }
.stat-grid { display: flex; gap: 28px; }
.stat-cell { text-align: right; }
.stat-cell .num { display: block; font-size: 22px; font-weight: 600; line-height: 1.2; }
.stat-cell .lbl { font-size: 11.5px; opacity: .82; }
@media (max-width: 767.98px) {
    .stat-grid { gap: 18px; }
    .stat-cell .num { font-size: 18px; }
}

/* ---------- 表单 ---------- */
.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.form-control, .form-select {
    width: 100%;
    padding: 9px 12px;
    font-size: 13.5px;
    color: var(--text-main);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    font-family: inherit;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 5px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 9px 16px;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    font-family: inherit;
    background: transparent;
    color: var(--text-main);
    white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); color: #fff; }
.btn-outline { border-color: var(--border-color); background: var(--card-bg); color: var(--text-main); }
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-success { background: var(--c-success); color: #fff; }
.btn-danger  { background: var(--c-danger);  color: #fff; }
.btn-outline-danger { border-color: rgba(220,38,38,.3); color: var(--c-danger); background: var(--card-bg); }
.btn-outline-danger:hover:not(:disabled) { background: rgba(220,38,38,.08); }
.btn-lg { padding: 11px 22px; font-size: 14.5px; }
.btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn-icon { padding: 5px 9px; }

/* ---------- 接口卡片 ---------- */
.iface-toolbar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; flex-wrap: wrap; margin-bottom: 12px;
}
.iface-toolbar-title { display: flex; align-items: center; gap: 4px; font-size: 13.5px; }
.iface-toolbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.iface-action-btn {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 11px; font-size: 12.5px;
    border: 1px solid var(--border-color); border-radius: 8px;
    background: var(--card-bg); color: var(--text-main); cursor: pointer; font-family: inherit;
}
.iface-action-btn:hover { border-color: var(--primary); color: var(--primary); }

.iface-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
    padding: 2px;
}

.iface-card {
    position: relative;
    display: flex; align-items: center; gap: 9px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    cursor: pointer;
    font-size: 13px;
    transition: border-color .15s, background .15s, opacity .15s;
    min-width: 0;
}
.iface-card:hover { border-color: var(--primary); }
.iface-card input { position: absolute; opacity: 0; pointer-events: none; }
.iface-card strong { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.iface-card .check-circle {
    width: 17px; height: 17px; flex: 0 0 17px;
    border: 1.5px solid var(--border-color);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: transparent;
    font-size: 11px;
    transition: all .15s;
}
.iface-card input:checked ~ .check-circle { background: var(--primary); border-color: var(--primary); color: #fff; }
.iface-card:has(input:checked) { border-color: var(--primary); background: var(--primary-light); }
.iface-card.is-incompatible { opacity: .42; }
.iface-card.is-incompatible .iface-route-badge { display: inline !important; }
.iface-route-badge {
    margin-left: auto;
    font-size: 10.5px;
    padding: 1px 6px;
    border-radius: 999px;
    background: rgba(220, 38, 38, .1);
    color: var(--c-danger);
    white-space: nowrap;
}
.iface-meta { display: block; font-size: 11px; color: var(--text-muted); }

/* 管理员视图下的能力角标：图 / 视 / 件，让「这个接口能收什么」一眼可见 */
.iface-caps { margin-left: auto; display: inline-flex; gap: 3px; flex: 0 0 auto; }
.iface-caps .cap-chip {
    font-style: normal;
    font-size: 10px;
    line-height: 1;
    padding: 4px 5px;
    border-radius: 5px;
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(70, 113, 255, .22);
}
.iface-card:has(input:checked) .iface-caps .cap-chip {
    background: var(--card-bg);
}
/* 角标与「不匹配」徽章同时存在时，让徽章继续贴右 */
.iface-card.is-incompatible .iface-caps { display: none; }

/* 豁免提示条：保持普通行内流，别用 flex —— 否则 <strong>/<code> 会被当成独立
   的 flex 项，长文案换行时会把行内代码挤到右侧 */
.admin-unrestricted-note { line-height: 1.75; }
.admin-unrestricted-note > i { margin-right: 5px; }
.admin-unrestricted-note code {
    background: rgba(30, 64, 175, .08);
    color: #1e40af;
    padding: 1px 5px;
    border-radius: 4px;
    white-space: nowrap;
}

/* ---------- 上传区 ---------- */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 34px 20px;
    text-align: center;
    cursor: pointer;
    background: var(--surface);
    transition: border-color .15s, background .15s;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.upload-zone i.bi { font-size: 34px; color: var(--primary); display: block; margin-bottom: 10px; }
.upload-zone .uz-title { font-size: 14.5px; font-weight: 500; margin-bottom: 4px; }
.upload-zone .uz-hint { font-size: 12.5px; color: var(--text-muted); }

.preview-area { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 10px; margin-top: 14px; }
.preview-card {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg);
}
.preview-card .thumb {
    height: 92px;
    background: var(--surface);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.preview-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.preview-card .meta { padding: 7px 9px; font-size: 11.5px; }
.preview-card .meta .fname { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.preview-card .meta .fsize { color: var(--text-muted); }
.preview-card .remove {
    position: absolute; top: 5px; right: 5px;
    width: 20px; height: 20px; border-radius: 50%;
    background: rgba(15, 23, 42, .6); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; border: 0; cursor: pointer; padding: 0;
}
.preview-card .remove:hover { background: var(--c-danger); }
.preview-card.upload-done { border-color: var(--c-success); }
.preview-card.upload-error { border-color: var(--c-danger); }
.preview-card .upload-progress { height: 3px; background: var(--surface); }
.preview-card .upload-progress-bar { height: 100%; width: 0; background: var(--primary); transition: width .2s; }
.preview-card.upload-done .upload-progress-bar { width: 100% !important; background: var(--c-success); }
.preview-card.upload-error .upload-progress-bar { width: 100% !important; background: var(--c-danger); }

/* ---------- 结果 ---------- */
.result-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 10px;
    background: var(--card-bg);
}
.result-item .file-name { font-weight: 500; font-size: 13.5px; margin-bottom: 10px; word-break: break-all; }
.output-line {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 0;
    border-top: 1px dashed var(--border-color);
    flex-wrap: wrap;
}
.output-line:first-of-type { border-top: 0; }
.output-line > span {
    flex: 0 0 72px;
    font-size: 12px;
    color: var(--text-muted);
}
.output-line code {
    flex: 1 1 220px;
    min-width: 0;
    font-size: 12px;
    background: var(--surface);
    padding: 4px 8px;
    border-radius: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
}

.link-banner {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    border: 1px solid rgba(70, 113, 255, .25);
    margin-bottom: 14px;
}
.link-banner .lb-label { font-size: 12.5px; font-weight: 500; color: var(--primary); }
.link-banner code {
    flex: 1 1 260px; min-width: 0;
    font-size: 13px;
    background: var(--card-bg);
    padding: 6px 10px;
    border-radius: 8px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.node-row {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    padding: 7px 0;
    border-top: 1px dashed var(--border-color);
    font-size: 12.5px;
}
.node-row .nname { flex: 0 0 120px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.node-row .nurl { flex: 1 1 200px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-muted); }
.node-row .nerr { flex: 1 1 200px; min-width: 0; color: var(--c-danger); word-break: break-all; }

/* ---------- 空状态 ---------- */
.empty-state { text-align: center; padding: 46px 20px; color: var(--text-muted); }
.empty-state i.bi { font-size: 40px; opacity: .35; display: block; margin-bottom: 12px; }
.empty-state .es-title { font-size: 14.5px; color: var(--text-main); margin-bottom: 4px; }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 16px 0 4px; flex-wrap: wrap; }
.pager a, .pager span {
    min-width: 32px; height: 32px; padding: 0 10px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 8px; border: 1px solid var(--border-color);
    font-size: 13px; background: var(--card-bg); color: var(--text-main);
}
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.pager .current { background: var(--primary); border-color: var(--primary); color: #fff; }
.pager .disabled { opacity: .45; pointer-events: none; }
.pager .pager-info { border: 0; background: transparent; color: var(--text-muted); font-size: 12.5px; }

/* ---------- 登录/注册 ---------- */
.auth-wrap {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
    background: var(--surface);
}
.auth-card {
    width: 100%; max-width: 400px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 32px;
}
.auth-brand { display: flex; align-items: center; gap: 10px; justify-content: center; margin-bottom: 6px; font-size: 18px; font-weight: 600; }
.auth-brand i { color: var(--primary); font-size: 22px; }
.auth-sub { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.auth-foot { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-muted); }
.field { margin-bottom: 15px; }

/* ---------- 提示条 ---------- */
.alert {
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert-success { background: rgba(22, 163, 74, .08); color: #166534; border-color: rgba(22, 163, 74, .22); }
.alert-danger  { background: rgba(220, 38, 38, .07); color: #991b1b; border-color: rgba(220, 38, 38, .2); }
.alert-info    { background: var(--primary-light);   color: #1e40af; border-color: rgba(70, 113, 255, .22); }
.alert-warning { background: rgba(217, 119, 6, .09); color: #92400e; border-color: rgba(217, 119, 6, .22); }

/* 深色下上面几个深色文字会糊在深底上，换成亮色版 */
html[data-theme="dark"] .alert-success { color: #86efac; background: rgba(22, 163, 74, .16); }
html[data-theme="dark"] .alert-danger  { color: #fca5a5; background: rgba(220, 38, 38, .16); }
html[data-theme="dark"] .alert-info    { color: #bfdbfe; }
html[data-theme="dark"] .alert-warning { color: #fcd34d; background: rgba(217, 119, 6, .18); }

/* ---------- Toast ---------- */
/*
 * 提示容器本身不接收点击（pointer-events: none）—— 它是一层 fixed 的浮层，
 * 一旦哪天被拉宽/拉高就会变成一块盖住页面的透明板，把底下的按钮全挡住。
 * （真的踩过：手机端把 left/right 拉满后，登录按钮点不动了。）
 * 需要点击的是提示条本身，所以 .toast-item 单独放开。
 */
.toast-stack {
    position: fixed; top: 18px; right: 18px; z-index: 1090;
    display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
}
.toast-item {
    min-width: 220px; max-width: 340px;
    pointer-events: auto;
    padding: 11px 15px;
    border-radius: 12px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .18);
    display: flex; align-items: center; gap: 8px;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity .2s, transform .2s;
}
.toast-item.show { opacity: 1; transform: none; }
.toast-item.t-success { background: linear-gradient(135deg, #22c55e, #16a34a); }
.toast-item.t-error   { background: linear-gradient(135deg, #ef4444, #dc2626); }
.toast-item.t-info    { background: linear-gradient(135deg, #4671ff, #2d57e8); }
.toast-item.t-warning { background: linear-gradient(135deg, #f59e0b, #d97706); }

/* ---------- 进度条 ---------- */
.progress-line { height: 14px; background: var(--surface); border-radius: 999px; overflow: hidden; margin-bottom: 6px; }
.progress-line .bar {
    height: 100%; width: 0;
    background: var(--primary);
    color: #fff; font-size: 10.5px;
    display: flex; align-items: center; justify-content: center;
    transition: width .2s;
}

/* ---------- 表格（个人中心额度流水） ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--border-color); }
.table th { font-weight: 500; color: var(--text-muted); font-size: 12px; }
.table tr:last-child td { border-bottom: 0; }
.table .num-pos { color: var(--c-success); }
.table .num-neg { color: var(--c-danger); }

/* ---------- 小尺寸表单控件 ---------- */
/* 放在 .form-control / .form-select 之后，确保覆盖 Bootstrap 同名类的优先级 */
.form-control-sm,
.form-select-sm {
    padding: 4px 8px;
    font-size: 12.5px;
    border-radius: 8px;
}

/* ---------- 管理后台 ---------- */
.admin-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 10px 12px;
    background: var(--surface);
    border-radius: 10px;
    margin-bottom: 14px;
}

.iface-action-btn.is-active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.table-admin {
    font-size: 12.5px;
}
.table-admin th {
    font-size: 11.5px;
    white-space: nowrap;
    padding: 8px 6px;
}
.table-admin td {
    vertical-align: middle;
    padding: 6px;
}
.table-admin .form-control,
.table-admin .form-select {
    font-size: 12.5px;
}
.table-admin input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}

.admin-inline-form {
    margin: 0;
}

/* ---------- 能力多选（图片 / 视频 / 文件）---------- */
.cap-box {
    display: flex;
    gap: 3px;
}
.cap-chip {
    position: relative;
    width: 28px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    user-select: none;
    transition: background .15s, border-color .15s, color .15s;
}
.cap-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.cap-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.cap-chip:has(input:checked) {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 500;
}

/* ---------- 类型切换（中转链接 / 历史记录） ---------- */
.type-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.type-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 13px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 13px;
    transition: background .15s, border-color .15s, color .15s;
}
.type-tab:hover { border-color: var(--primary); color: var(--primary); }
.type-tab.is-active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 500;
}
.type-tab em {
    font-style: normal;
    font-size: 11.5px;
    padding: 1px 7px;
    border-radius: 999px;
    background: var(--surface);
    color: var(--text-muted);
}
.type-tab.is-active em {
    background: var(--card-bg);
    color: var(--primary);
}

/* ---------- 后台：设置表单与行内复选框 ---------- */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0 16px;
}

.admin-check {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    color: var(--text-muted);
    white-space: nowrap;
    cursor: pointer;
    margin: 0;
}
.admin-check input { margin: 0; cursor: pointer; }

/* 用户行操作区：按钮多，允许换行，避免把表格撑出横向滚动 */
.row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: flex-end;
    align-items: center;
}
.row-actions .admin-inline-form { margin: 0; }

/* 图标按钮组：用户行操作多，用纯图标 + 悬停说明压到一行内 */
.row-actions-icons { gap: 4px; }
.row-actions-icons .btn { padding: 4px 8px; line-height: 1.2; }

/* 被禁用的账号整行降饱和度，扫一眼就能看出来 */
.table-admin tr.is-banned > td { background: rgba(100, 116, 139, .05); }
.table-admin tr.is-banned .form-control,
.table-admin tr.is-banned .form-select { opacity: .65; }

/* 警示性的 outline 按钮（禁用） */
.btn-outline-warn {
    color: #b45309;
    border-color: rgba(180, 83, 9, .4);
    background: var(--card-bg);
}
.btn-outline-warn:hover { background: rgba(180, 83, 9, .08); border-color: #b45309; }
.btn-outline-warn:disabled { opacity: .5; }

/* ---------- 登录页：可折叠的「重发验证邮件」 ---------- */
.auth-details {
    margin-top: 18px;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}
.auth-details summary {
    cursor: pointer;
    font-size: 13px;
    color: var(--text-muted);
    list-style: none;
    user-select: none;
}
.auth-details summary::-webkit-details-marker { display: none; }
.auth-details summary::before {
    content: '\F285';
    font-family: 'bootstrap-icons';
    margin-right: 6px;
    font-size: 12px;
}
.auth-details[open] summary { margin-bottom: 12px; color: var(--primary); }

/* ---------- 后台：顶部子菜单 ---------- */
.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
    padding: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}
.admin-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    border-radius: 9px;
    font-size: 13.5px;
    color: var(--text-muted);
    text-decoration: none;
    transition: background .15s, color .15s;
}
.admin-tab:hover { background: var(--surface); color: var(--text-main); }
.admin-tab.is-active { background: var(--primary); color: #fff; font-weight: 500; }
.admin-tab-count {
    min-width: 20px;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 400;
    text-align: center;
}
.admin-tab.is-active .admin-tab-count {
    background: rgba(255, 255, 255, .22);
    border-color: transparent;
    color: #fff;
}

/* ---------- 后台：用户详情头部 ---------- */
.detail-head {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.detail-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-main);
}
.detail-title > i { color: var(--primary); }

/* 详情卡里的横向统计条（与 hero 里的右对齐统计区分） */
.stat-row {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}
.stat-row .stat-cell { text-align: left; }
.stat-row .stat-cell .num { font-size: 17px; }

/* ============================================================
 * 上传日志：文件名悬停预览 + 详情弹窗
 * ============================================================ */

/* 文件名：单行省略，可悬停的才给出手型光标与虚线下划线提示 */
.log-name {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.log-name[data-preview-url] {
    cursor: help;
    border-bottom: 1px dashed var(--border-color);
    width: fit-content;
    max-width: 100%;
}
.log-name[data-preview-url]:hover { color: var(--primary); border-bottom-color: var(--primary); }

/* 悬停浮层：固定定位，避免被表格的 overflow 裁掉 */
.log-hover {
    position: fixed;
    z-index: 1080;
    width: 380px;
    min-height: 120px;
    padding: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity .16s ease, transform .16s ease;
    pointer-events: none;
}
.log-hover.show { opacity: 1; transform: none; }
.log-hover img {
    display: block;
    width: 100%;
    max-height: 340px;
    object-fit: contain;
    border-radius: 8px;
}
.log-hover-spin,
.log-hover-err {
    font-size: 12.5px;
    color: var(--text-muted);
    padding: 6px 4px;
    text-align: center;
}
.log-hover-err { color: var(--c-danger); }

/* 弹窗 */
body.tc-modal-open { overflow: hidden; }

.tc-modal { position: fixed; inset: 0; z-index: 1090; }
.tc-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .45);
    backdrop-filter: blur(2px);
}
.tc-modal-panel {
    position: relative;
    width: min(1040px, calc(100vw - 32px));
    max-height: calc(100vh - 64px);
    margin: 32px auto;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(15, 23, 42, .28);
    overflow: hidden;
}
.tc-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}
.tc-modal-head h5 {
    margin: 0;
    font-size: 15.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tc-modal-x {
    border: 0;
    background: transparent;
    font-size: 22px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 4px;
}
.tc-modal-x:hover { color: var(--c-danger); }
.tc-modal-body { padding: 16px 18px 20px; overflow-y: auto; }

/* 详情分区 */
.log-section { margin-bottom: 20px; }
.log-section:last-child { margin-bottom: 4px; }
.log-section-title {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: .02em;
    display: flex;
    align-items: center;
}
.log-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 6px 18px;
}
.log-item {
    display: flex;
    gap: 8px;
    font-size: 13px;
    padding: 5px 0;
    border-bottom: 1px dashed var(--border-color);
    min-width: 0;
}
.log-item-label { flex: 0 0 72px; color: var(--text-muted); }
.log-item-value { flex: 1; min-width: 0; word-break: break-all; }
.log-item-value.is-mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11.5px; }
.region-value { font-weight: 500; }
.region-value.is-ok { color: var(--c-success); }
.region-value.is-fail { color: var(--c-danger); }

.log-ua {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 8px;
    font-size: 13px;
}
.log-ua code {
    flex: 1;
    min-width: 0;
    word-break: break-all;
    background: var(--surface);
    color: var(--text-main);
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 11.5px;
    line-height: 1.6;
}

.log-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.log-actions .btn.is-active { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.log-hint { font-size: 12.5px; color: var(--text-muted); }
.log-error { font-size: 13px; color: var(--c-danger); padding: 8px 0; }
.log-error-text { font-size: 12px; color: var(--c-danger); word-break: break-all; }
.log-loading { font-size: 13px; color: var(--text-muted); padding: 28px 0; text-align: center; }

.log-preview-stage {
    margin-top: 12px;
    padding: 10px;
    background: var(--surface);
    border-radius: var(--radius-md);
    text-align: center;
}
.log-preview-stage img { max-width: 100%; max-height: 460px; border-radius: 8px; }
.log-preview-stage video { max-width: 100%; max-height: 460px; border-radius: 8px; background: #000; }
.log-preview-stage audio { width: 100%; }
.log-preview-caption {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* 日志分页条：左边是「每页 N 行」，右边是页码 */
.log-pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}
.per-page {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--text-muted);
    margin: 0;
}
.per-page .form-select { width: auto; min-width: 68px; padding-top: 2px; padding-bottom: 2px; }
.per-page-label, .per-page-unit { color: var(--text-muted); }
.per-page-total { margin-left: 4px; }
.log-pager .pager { margin: 0; padding: 0; justify-content: flex-end; }
.log-pager .pager .pager-gap { border: 0; background: transparent; padding: 0 2px; min-width: 16px; }

.log-nodes th { font-size: 12px; }
.log-nodes td { vertical-align: middle; }
.log-url {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
}
.log-copy-row { display: flex; gap: 8px; flex-wrap: wrap; }
.log-copy-row input {
    flex: 1 1 320px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 12.5px;
}

/* ============================================================
 * 文件加密传输 / 提取器
 * ============================================================ */

/* 进度条 */
.progress-bar-host { margin-top: 12px; }
.progress-track {
    height: 8px;
    background: var(--surface);
    border-radius: 999px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    width: 0;
    background: var(--primary);
    border-radius: 999px;
    transition: width .25s ease;
}

/* 过程日志（打包与提取共用） */
.extract-log {
    margin-top: 12px;
    max-height: 300px;
    overflow-y: auto;
    padding: 10px 12px;
    background: var(--surface);
    border-radius: var(--radius-md);
    font-size: 12.5px;
    line-height: 1.9;
}
.log-line { word-break: break-all; color: var(--text-main); }
.log-line.is-ok   { color: var(--c-success); }
.log-line.is-warn { color: var(--c-warning); }
.log-line.is-bad  { color: var(--c-danger); }
.log-line .g { color: var(--c-success); }
.log-line .r { color: var(--c-danger); }

/* 提取器里的说明性小字 */
.extract-note { font-size: 12.5px; color: var(--text-muted); }

/* 接口卡片上多出来的「能否承载隐写」角标 */
.iface-card .badge-soft { white-space: nowrap; }

/* ---------- 加密传输：记录行内密钥 ---------- */
.tf-key { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.tf-key code {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 11.5px; letter-spacing: .5px;
    background: var(--surface); border-radius: 5px; padding: 2px 6px;
    color: var(--text-main);
}
.tf-key button {
    border: 0; background: transparent; cursor: pointer;
    font-size: 11.5px; padding: 0 2px; color: var(--primary);
}
/* 行内密钥的「眼睛」与复制按钮：图标按钮要自己把图标撑起来，别继承 11.5px 的正文号 */
.tf-key .tf-key-tg,
.tf-key .tf-key-cp {
    display: inline-flex; align-items: center; justify-content: center;
    line-height: 1; min-width: 18px;
}
.tf-key .tf-key-tg { color: var(--primary); }
.tf-key .tf-key-cp { color: var(--text-muted); }
.tf-key .tf-key-tg i { font-size: 14px; }
.tf-key .tf-key-cp i { font-size: 12.5px; }
/* 详情弹窗里的眼睛/复制按钮：别被 flex 压扁，图标居中 */
.td-value .key-eye,
.td-value [data-copy] { flex: 0 0 auto; display: inline-flex; align-items: center; }

/* ---------- 加密传输：详情弹窗 ---------- */
.td-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 12px; margin-bottom: 16px;
}
.td-cell {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    min-width: 0;
}
.td-label { font-size: 11.5px; color: var(--text-muted); margin-bottom: 5px; }
.td-value { font-size: 13px; color: var(--text-main); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.td-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; }
.td-key code {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 13px; letter-spacing: 1px;
    background: var(--card-bg); border: 1px dashed var(--border-color);
    border-radius: 6px; padding: 3px 8px;
}
/* 来源 IP / 客户端：IP 等宽，UA 太长要截断（完整值放 title） */
.td-ip {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 12.5px; background: var(--surface);
    border-radius: 5px; padding: 2px 7px;
}
.td-ua {
    display: block; max-width: 100%; min-width: 0;
    font-size: 11.5px; color: var(--text-muted); line-height: 1.5;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------- 加密传输：分片直链弹窗 ---------- */
.sl-group {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
}
.sl-group-head {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    padding: 10px 12px;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
}
.sl-group-head strong { font-size: .85rem; display: inline-flex; align-items: center; gap: 6px; }
.sl-group-head .btn { margin-left: auto; }
.sl-row {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px;
    border-top: 1px solid var(--border-color);
}
.sl-row:first-of-type { border-top: 0; }
.sl-idx { flex: 0 0 64px; font-size: .74rem; font-weight: 600; color: var(--text-muted); }
.sl-url {
    flex: 1 1 auto; min-width: 0;
    font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .72rem;
}

/* ---------- 人机验证（极验 4.0） ---------- */
.captcha-box { margin: 0 0 16px; }
.gt-captcha-host { display: flex; justify-content: center; min-height: 44px; }
.captcha-hint {
    font-size: 12.5px; line-height: 1.7;
    color: var(--c-danger);
    background: rgba(220, 38, 38, .06);
    border: 1px solid rgba(220, 38, 38, .18);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

/* ---------- 登录页：记住我 / 忘记密码 ---------- */
.auth-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
    margin: 4px 0 18px;
    font-size: 13px;
}
.auth-row .admin-check { margin: 0; font-weight: 400; }
.auth-link { font-size: 13px; color: var(--primary); }
.auth-link:hover { text-decoration: underline; }

/* ---------- 站点公告弹窗 ---------- */
.notice-body {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-main);
    max-height: 52vh;
    overflow-y: auto;
    white-space: normal;
    word-break: break-word;
}
.notice-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    margin-top: 18px; padding-top: 12px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

/* ---------- 工具类 ---------- */
.row-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.mt-0 { margin-top: 0; } .mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; } .mb-8 { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--c-danger); }
.text-success { color: var(--c-success); }
.fs-12 { font-size: 12px; } .fs-13 { font-size: 13px; }
.break-all { word-break: break-all; }
.hidden { display: none !important; }

/* ==========================================================================
   中转链接页：工具条 / 宫格卡片 / 列表 / 节点控制弹窗
   （类名统一 lk- 与 ln- 前缀，避开已有的通用类）
   ======================================================================== */
.lk-head-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.lk-view-switch {
    display: inline-flex; padding: 2px; border-radius: 9px;
    background: var(--surface); border: 1px solid var(--border-color);
}
.lk-view-btn {
    width: 30px; height: 28px; border-radius: 7px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); text-decoration: none; font-size: 14px;
    transition: all 0.2s;
}
.lk-view-btn:hover { color: var(--primary); }
.lk-view-btn.is-active {
    background: var(--card-bg); color: var(--primary);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.09);
}
.lk-search { display: flex; gap: 6px; }
.lk-search input { width: 190px; }
.lk-filter { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.lk-filter select { width: 210px; }
.lk-filter-hint { font-size: 11.5px; color: var(--text-muted); }

/* ---------- 宫格 ---------- */
.lk-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px;
}
.lk-card {
    display: flex; flex-direction: column;
    /* 只有一条链接时别把卡片拉成一整行那么宽（1fr 会撑满单元格） */
    max-width: 420px;
    border: 1px solid var(--border-color); border-radius: 12px;
    background: var(--card-bg); overflow: hidden;
    transition: box-shadow 0.25s, transform 0.25s;
}
.lk-card:hover { box-shadow: 0 10px 26px rgba(15, 23, 42, 0.09); transform: translateY(-1px); }
.lk-thumb {
    position: relative; aspect-ratio: 16 / 10; background: var(--surface);
    overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.lk-thumb.is-small { width: 44px; height: 44px; aspect-ratio: auto; border-radius: 8px; }
.lk-img {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; opacity: 0; transition: opacity 0.3s;
}
.lk-img.is-loaded { opacity: 1; }
.lk-img.is-failed { display: none; }
.lk-thumb-ph {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 22px;
}
.lk-head { display: flex; align-items: center; gap: 6px; padding: 10px 12px 6px; }
.lk-name {
    flex: 1; min-width: 0; font-size: 13px; font-weight: 600;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lk-icon-btn {
    flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%;
    border: 1px solid var(--border-color); background: var(--card-bg); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; cursor: pointer; transition: background 0.2s;
}
.lk-icon-btn:hover { background: var(--surface); }
.lk-icon-btn.is-danger { color: #dc2626; }
.lk-body { padding: 0 12px 10px; }
.lk-relay-label { font-size: 11px; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
.lk-relay { display: flex; gap: 5px; }
.lk-relay input { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11.5px; }
.lk-foot {
    margin-top: auto; padding: 8px 12px; border-top: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    font-size: 11.5px; color: var(--text-muted);
}
.lk-foot-left {
    display: flex; align-items: center; gap: 4px;
    min-width: 0; overflow: hidden; white-space: nowrap;
}
.lk-dot { opacity: 0.5; }
.lk-bad { color: var(--c-danger); }
.lk-foot-right { display: flex; gap: 4px; flex: 0 0 auto; }
.lk-chip {
    background: var(--surface); border: 1px solid var(--border-color);
    border-radius: 999px; padding: 2px 8px; font-size: 10.5px; color: var(--text-muted);
}
.lk-chip.is-primary {
    color: var(--primary); background: rgba(70, 113, 255, 0.06);
    border-color: rgba(70, 113, 255, 0.28);
}

/* ---------- 列表 ---------- */
.lk-cell-name {
    font-size: 13px; font-weight: 500;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px;
}
.lk-cell-sub { font-size: 11.5px; }
.lk-cell-url {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px;
}
.lk-table .lk-thumb { border-radius: 8px; }

/* ---------- 节点控制弹窗 ---------- */
.ln-section { margin-bottom: 18px; }
.ln-section-head {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    margin-bottom: 10px; font-size: 13px; font-weight: 600; color: var(--text-main);
}
.ln-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.ln-card {
    min-width: 0; padding: 10px 12px;
    border: 1px solid var(--border-color); border-radius: 10px; background: var(--card-bg);
}
.ln-card.is-bad { background: #fff5f5; border-color: rgba(220, 38, 38, 0.2); }
.ln-card-head { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.ln-iface {
    font-size: 12.5px; font-weight: 600; max-width: 150px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ln-field { display: flex; align-items: center; gap: 5px; }
.ln-field-label { flex: 0 0 auto; font-size: 11px; color: var(--text-muted); }
.ln-field input { font-size: 11.5px; }
.ln-error { font-size: 11.5px; color: #dc2626; line-height: 1.5; word-break: break-all; }
.ln-avail { display: flex; flex-wrap: wrap; gap: 7px; }
.ln-avail-btn {
    display: inline-flex; align-items: center; gap: 4px; max-width: 100%;
    padding: 5px 12px; border-radius: 999px; cursor: pointer;
    border: 1px solid rgba(16, 185, 129, 0.4); background: rgba(16, 185, 129, 0.06);
    color: #059669; font-size: 12px; font-weight: 500;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: background 0.2s;
}
.ln-avail-btn:hover { background: rgba(16, 185, 129, 0.14); }
.ln-avail-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.ln-hint {
    display: flex; align-items: flex-start; gap: 5px;
    margin-top: 10px; font-size: 11.5px; color: var(--text-muted); line-height: 1.6;
}

@media (max-width: 767px) {
    .lk-grid { grid-template-columns: 1fr; }
    .ln-grid { grid-template-columns: 1fr; }
    .lk-search { width: 100%; }
    .lk-search input { width: 100%; }
    .lk-filter select { width: 100%; }
    .lk-cell-name, .lk-cell-url { max-width: 180px; }
}

/* ==========================================================================
   后台用户管理：可点击的用户名 / 排序表头 / 编辑弹窗
   （类名统一 ue- 前缀）
   ======================================================================== */
.ue-name {
    padding: 0; border: 0; background: transparent; cursor: pointer;
    font-size: 13.5px; font-weight: 600; color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(70, 113, 255, 0.35);
    text-underline-offset: 3px;
    transition: color 0.2s, text-decoration-color 0.2s;
}
.ue-name:hover {
    color: #2b52d8;
    text-decoration-color: currentColor;
}
.ue-mail {
    margin-top: 4px; font-size: 11.5px; color: var(--text-muted);
    max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ue-badges { margin-top: 5px; display: flex; gap: 8px; flex-wrap: wrap; font-size: 11.5px; }
.ue-ok { color: #15803d; display: inline-flex; align-items: center; gap: 4px; }
.ue-warn { color: #b45309; display: inline-flex; align-items: center; gap: 4px; }

/* 排序表头 */
.ue-sort {
    color: inherit; text-decoration: none;
    display: inline-flex; align-items: center; gap: 4px;
}
.ue-sort:hover { color: var(--primary); }
.ue-sort .bi { font-size: 11px; }
.ue-sort-idle { opacity: 0.35; }

/* 编辑弹窗 */
.ue-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px; margin-bottom: 4px;
}
.ue-divider {
    margin: 16px 0; border-top: 1px dashed var(--border-color);
}
.ue-pass { display: flex; gap: 6px; }
.ue-pass .btn { flex: 0 0 auto; white-space: nowrap; }
.ue-foot {
    display: flex; justify-content: flex-end; gap: 8px;
    margin-top: 20px; padding-top: 14px;
    border-top: 1px solid var(--border-color);
}
.ue-self-note {
    margin: 12px 0 0; padding: 9px 12px;
    font-size: 12px; line-height: 1.6; color: #92400e;
    background: #fffbeb; border: 1px solid rgba(245, 158, 11, 0.28);
    border-radius: 8px;
}
.ue-self-note i { margin-right: 3px; }
.form-hint.is-warn { color: #b45309; }

@media (max-width: 767px) {
    .ue-grid { grid-template-columns: 1fr; }
    .ue-foot { flex-direction: column-reverse; }
    .ue-foot .btn { width: 100%; }
}

/* ==========================================================================
   系统设置：栏目拖动排序 + 开关行
   （类名统一 set- 前缀）
   ======================================================================== */
.set-hint {
    display: flex; align-items: center; gap: 6px;
    margin-bottom: 12px; font-size: 12.5px; color: var(--text-muted);
}
.set-sections { display: flex; flex-direction: column; }
/* 卡片间距由 order 排序后仍要保留：用 margin 而不是 .mt-16 */
.set-sections > .set-card + .set-card { margin-top: 16px; }
.set-sections > .set-card.mt-16 { margin-top: 16px; }

.set-card { transition: box-shadow 0.2s, border-color 0.2s; }
.set-card.is-dragging {
    border-color: rgba(70, 113, 255, 0.45);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.14);
    opacity: 0.92;
}
.card-header-tools { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* 排序控件 */
.set-tools { display: inline-flex; align-items: center; gap: 4px; flex: 0 0 auto; }
.set-move {
    width: 24px; height: 24px; padding: 0;
    border: 1px solid var(--border-color); border-radius: 6px;
    background: var(--card-bg); color: var(--text-muted);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 11px; cursor: pointer; transition: all 0.18s;
}
.set-move:hover { color: var(--primary); border-color: rgba(70, 113, 255, 0.4); background: var(--primary-light); }
.set-drag {
    width: 24px; height: 24px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 14px;
    cursor: grab; border-radius: 6px; transition: all 0.18s;
}
.set-drag:hover { color: var(--primary); background: var(--primary-light); }
.set-drag:active { cursor: grabbing; }

/* 开关行 */
.switch-row {
    display: flex; align-items: flex-start; gap: 12px;
    cursor: pointer; user-select: none;
}
.switch { position: relative; flex: 0 0 auto; width: 44px; height: 24px; margin-top: 1px; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch-slider {
    position: absolute; inset: 0; border-radius: 999px;
    background: var(--border-color); transition: background 0.22s;
    pointer-events: none;
}
.switch-slider::after {
    content: ''; position: absolute; top: 3px; left: 3px;
    width: 18px; height: 18px; border-radius: 50%;
    background: #ffffff; box-shadow: 0 1px 3px rgba(15, 23, 42, 0.25);
    transition: transform 0.22s;
}
.switch input:checked + .switch-slider { background: var(--primary); }
.switch input:checked + .switch-slider::after { transform: translateX(20px); }
.switch input:focus-visible + .switch-slider { box-shadow: 0 0 0 3px var(--primary-light); }
.switch-text { display: flex; flex-direction: column; gap: 4px; line-height: 1.6; }
.switch-text b { font-size: 13.5px; }
kbd {
    display: inline-block; padding: 1px 5px;
    font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11px;
    color: var(--text-main); background: var(--surface);
    border: 1px solid var(--border-color); border-bottom-width: 2px;
    border-radius: 4px;
}

@media (max-width: 767px) {
    .set-hint { align-items: flex-start; }
    .card-header-tools { width: 100%; }
}

/* ==========================================================================
   移动端适配（整体）
   --------------------------------------------------------------------------
   约定：
     · 主要断点 991.98px（平板竖屏以下）与 767.98px（手机）
     · 触控目标一律 ≥ 40px 高；输入框字号 16px —— iOS 上小于 16px 一聚焦就缩放
     · 依赖 hover 的效果（悬停预览）在触屏上关闭，见 @media (hover: none)
     · 用 dvh 而不是 vh：手机地址栏收起/展开时 vh 会算错，弹窗会被切掉一截
   ======================================================================== */

@media (max-width: 991.98px) {
    .app-header { padding: 12px 16px; gap: 10px; }
    .app-header h5 { font-size: 15px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .app-content { padding: 14px; }

    /* 后台菜单：手机上不再折成三行，改成一条横向滚动的条 */
    .admin-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    .admin-tabs::-webkit-scrollbar { height: 4px; }
    .admin-tabs::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
    .admin-tab { flex: 0 0 auto; }
    .admin-tab span { white-space: nowrap; }
}

@media (max-width: 767.98px) {
    /* ---------- 布局 ---------- */
    .app-content { padding: 12px; }
    .content-wrap { max-width: 100%; }
    .app-header { padding: 10px 12px; flex-wrap: wrap; row-gap: 6px; }
    /* 标题不参与收缩（否则右边挂了额度胶囊时会被压成「图片直…」），
       放不下就让右侧那组换到第二行 */
    .app-header h5 { font-size: 14.5px; flex: 0 0 auto; max-width: 100%; }
    .quota-pill { font-size: 11.5px; padding: 4px 10px; }

    /* 侧边栏铺满一点，避免右侧露出底下内容 */
    .app-sidebar {
        width: min(84vw, var(--sidebar-width));
        flex-basis: auto;
        box-shadow: 0 0 40px rgba(15, 23, 42, .18);
    }

    /* ---------- 卡片 ---------- */
    .card { border-radius: var(--radius-md); }
    .card-header { padding: 14px; gap: 8px; }
    .card-header h5 { font-size: 14px; }
    .card-body { padding: 14px; }
    .card-header-icon { width: 28px; height: 28px; margin-right: 2px; }

    /* 仪表盘/工作台顶部横幅：竖排，数字左对齐 */
    .hero-stats { padding: 18px 16px; }
    .hero-stats h4 { font-size: 17px; }
    .hero-stats .flex-between { flex-direction: column; align-items: flex-start; gap: 14px; }
    .stat-grid { width: 100%; gap: 0; justify-content: space-between; }
    .stat-cell { text-align: left; }

    /* ---------- 表单与触控目标 ---------- */
    .form-control, .form-select {
        /* 16px：iOS Safari 对 <16px 的输入框会在聚焦时自动放大整页 */
        font-size: 16px;
        padding: 11px 12px;
    }
    textarea.form-control { font-size: 15px; }
    .form-hint { font-size: 11.5px; }
    .btn { min-height: 42px; }
    .btn-sm { min-height: 36px; }
    .btn-icon { min-width: 42px; }
    .admin-check { font-size: 12px; white-space: normal; }
    .admin-grid { grid-template-columns: 1fr; }

    /* ---------- 弹窗 ---------- */
    .tc-modal-panel {
        width: calc(100vw - 16px);
        max-height: calc(100vh - 16px);          /* 老浏览器兜底 */
        max-height: calc(100dvh - 16px);
        margin: 8px auto;
        border-radius: 14px;
    }
    .tc-modal-head { padding: 12px 14px; }
    .tc-modal-head h5 { font-size: 14.5px; }
    .tc-modal-body { padding: 14px 14px 18px; }
    .tc-modal-x { font-size: 26px; padding: 0 6px; }

    /* ---------- 表格 ---------- */
    .table th, .table td { padding: 8px 8px; }
    .table-admin th, .table-admin td { padding: 6px 5px; }
    .table-responsive { -webkit-overflow-scrolling: touch; }

    /* ---------- 上传区 ---------- */
    .upload-zone { padding: 26px 16px; }
    .upload-zone i.bi { font-size: 30px; }

    /* ---------- 中转链接 / 节点弹窗 ---------- */
    .lk-grid { grid-template-columns: 1fr; }
    .lk-search, .lk-search input, .lk-filter select { width: 100%; }
    .lk-card .lk-relay input { font-size: 16px; }

    /* ---------- 提示条 ---------- */
    /* 手机上拉宽到两边留 12px；高度仍由内容决定（容器本身不接收点击） */
    .toast-stack { left: 12px; right: 12px; top: 12px; }
    .toast-item { min-width: 0; max-width: none; width: 100%; }
}

@media (max-width: 400px) {
    /* 标题不再缩字号：它已经不参与收缩了（见上面的 flex: 0 0 auto），
       再缩就只是难读 */
    .card-header, .card-body { padding: 12px; }
    .hero-stats { padding: 16px 13px; }
    .stat-cell .num { font-size: 16px; }
    .stat-cell .lbl { font-size: 10.5px; }
}

/* 触屏（没有真正的 hover）：关掉悬停预览，否则点一下会弹层又收不回去 */
@media (hover: none) {
    .log-hover { display: none !important; }
}

/* iPhone 刘海屏：横屏时给左右留出安全区 */
@supports (padding: env(safe-area-inset-left)) {
    @media (max-width: 991.98px) {
        .app-content { padding-left: max(12px, env(safe-area-inset-left)); padding-right: max(12px, env(safe-area-inset-right)); }
        .app-header {
            padding-left: max(12px, env(safe-area-inset-left));
            padding-right: max(12px, env(safe-area-inset-right));
        }
        /* 注意：这里不能给 .toast-stack 加 bottom —— 它同时有 top 的话会被撑满整屏 */
        .toast-stack { top: max(12px, env(safe-area-inset-top)); }
    }
}

/* ==========================================================================
   夜间模式
   --------------------------------------------------------------------------
   机制：`<html data-theme="light|dark">` 由 <head> 里的一小段内联脚本在首屏前设好
   （见 partials/theme_head.php），所以不会出现「先白一下再变黑」的闪屏。
   「跟随系统」由脚本解析成 light/dark 写进属性，CSS 这边只认这两个值。

   全站配色都走 :root 上的变量，所以这里主要就是换一套变量值；
   个别写死过浅色的地方在下面单独覆盖。
   ======================================================================== */
html[data-theme="dark"] {
    color-scheme: dark;

    --bs-primary: #6b8cff;
    --primary: #6b8cff;
    --bs-primary-rgb: 107, 140, 255;
    --primary-hover: #8aa4ff;
    --primary-light: rgba(107, 140, 255, .18);

    --surface: #0b1220;          /* 页面底色 */
    --card-bg: #151d2f;          /* 卡片 / 输入框 / 弹窗 */
    --text-main: #e7edf9;
    --text-muted: #93a2bd;
    --border-color: #27314a;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .5);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, .55);

    --c-success: #4ade80;
    --c-danger: #f87171;
    --c-warning: #fbbf24;
}

/* 浅色主题下明确声明一下，避免浏览器原生控件（滚动条、下拉）跟着系统走 */
html[data-theme="light"] { color-scheme: light; }

/* 浅色下偏亮的提示类底色，深色里换成半透明，别把眼睛闪到 */
html[data-theme="dark"] .ln-card.is-bad {
    background: rgba(248, 113, 113, .1);
    border-color: rgba(248, 113, 113, .3);
}
html[data-theme="dark"] .ue-self-note {
    background: rgba(251, 191, 36, .12);
    border-color: rgba(251, 191, 36, .32);
    color: #fcd34d;
}
html[data-theme="dark"] .form-hint.is-warn { color: #fcd34d; }

/* 深色下阴影几乎看不见，改用描边把面板边界交代清楚 */
html[data-theme="dark"] .card,
html[data-theme="dark"] .iface-card,
html[data-theme="dark"] .preview-card,
html[data-theme="dark"] .lk-card,
html[data-theme="dark"] .ln-card,
html[data-theme="dark"] .tc-modal-panel {
    border: 1px solid var(--border-color);
}

html[data-theme="dark"] .upload-zone { background: rgba(255, 255, 255, .02); }
html[data-theme="dark"] .lk-thumb { background: rgba(255, 255, 255, .04); }

html[data-theme="dark"] .hero-stats {
    background: linear-gradient(135deg, #3b5bd9, #2440a8);
}
html[data-theme="dark"] .tc-modal-backdrop { background: rgba(2, 6, 23, .68); }

/* 代码块 / 等宽输入框：浅色下是白底黑字，深色里用更深一层的底 */
html[data-theme="dark"] code,
html[data-theme="dark"] kbd,
html[data-theme="dark"] .link-banner code,
html[data-theme="dark"] .td-key code {
    background: rgba(255, 255, 255, .06);
    border-color: var(--border-color);
    color: var(--text-main);
}

/* 表格斑马纹/悬停的浅色叠加在深色下要反过来 */
html[data-theme="dark"] .table-premium tbody tr:hover { background: rgba(255, 255, 255, .04); }

/* ==========================================================================
   侧边栏：顶部栏 / 宣传首页入口 / 折叠态
   ======================================================================== */
.sidebar-top {
    display: flex; align-items: center; gap: 4px;
    padding-right: 12px;
}
.sidebar-top .sidebar-brand { flex: 1; min-width: 0; }
.sidebar-brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-collapse {
    flex: 0 0 auto;
    width: 28px; height: 28px;
    border: 1px solid var(--border-color); border-radius: 8px;
    background: var(--card-bg); color: var(--text-muted);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; cursor: pointer; transition: all .18s;
}
.sidebar-collapse:hover {
    color: var(--primary);
    border-color: rgba(70, 113, 255, .45);
    background: var(--primary-light);
}
.sidebar-collapse i { transition: transform .2s; }

.sidebar-quick { padding: 2px 12px 0; }

/* 折叠态只在桌面端生效（手机端侧边栏是抽屉，收起来就没法导航了） */
@media (min-width: 992px) {
    html.sidebar-collapsed .app-sidebar { width: 68px; flex: 0 0 68px; }

    html.sidebar-collapsed .sidebar-top {
        flex-direction: column; gap: 4px; padding-right: 0;
    }
    html.sidebar-collapsed .sidebar-brand {
        flex: 0 0 auto; padding: 14px 0 4px; justify-content: center;
    }
    html.sidebar-collapsed .sidebar-brand span { display: none; }
    html.sidebar-collapsed .sidebar-collapse { margin-bottom: 4px; }
    html.sidebar-collapsed .sidebar-collapse i { transform: rotate(180deg); }

    /* 只留图标：文字、分组标题都收起来 */
    html.sidebar-collapsed .nav-label { display: none; }
    html.sidebar-collapsed .nav-item { justify-content: center; padding: 10px 0; gap: 0; }
    html.sidebar-collapsed .nav-item span { display: none; }

    html.sidebar-collapsed .sidebar-quick { padding: 6px 8px 0; }
    html.sidebar-collapsed .sidebar-nav { padding: 12px 8px 12px; }

    /* 底部：头像与退出竖着排（保留退出入口，别为了好看把功能藏掉） */
    html.sidebar-collapsed .sidebar-footer { padding: 10px 8px; }
    html.sidebar-collapsed .user-card {
        flex-direction: column; gap: 6px; padding: 8px 0;
    }
    html.sidebar-collapsed .user-info { display: none; }
    html.sidebar-collapsed .user-avatar { width: 32px; height: 32px; flex-basis: 32px; font-size: 13px; }
}

/* ==========================================================================
   主题切换按钮
   ======================================================================== */
.theme-toggle {
    flex: 0 0 auto;
    width: 34px; height: 34px;
    border: 1px solid var(--border-color); border-radius: 9px;
    background: var(--card-bg); color: var(--text-muted);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 15px; cursor: pointer; transition: all .18s;
}
.theme-toggle:hover {
    color: var(--primary);
    border-color: rgba(70, 113, 255, .45);
    background: var(--primary-light);
}
/* 落地页导航是浅色半透明底，按钮要能融进去 */
.landing-nav .theme-toggle { background: rgba(255, 255, 255, .7); }
html[data-theme="dark"] .landing-nav .theme-toggle { background: rgba(255, 255, 255, .08); }

/* 登录 / 注册卡片右上角 */
.auth-theme-row {
    display: flex; justify-content: flex-end;
    margin-bottom: 4px;
}

/* ==========================================================================
   开放 API 文档（个人中心里那段「怎么调用」）
   类名统一 api- 前缀
   ======================================================================== */
.api-h {
    margin: 18px 0 8px; font-size: 13.5px; font-weight: 600;
    color: var(--text-main);
}
.api-h:first-child { margin-top: 0; }
.api-code {
    margin: 0 0 12px; padding: 12px 14px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 12px; line-height: 1.7;
    color: var(--text-main); background: var(--surface);
    border: 1px solid var(--border-color); border-radius: 10px;
    overflow-x: auto; white-space: pre;
    -webkit-overflow-scrolling: touch;
}
html[data-theme="dark"] .api-code { background: rgba(255, 255, 255, .05); }
.api-code code { background: transparent; border: 0; padding: 0; }

/* ==========================================================================
   后台「游客免登录直传」：接口多选面板
   ======================================================================== */
.iface-picker-head {
    display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap;
}
.guest-iface-box {
    max-height: 240px; overflow-y: auto; -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-color); border-radius: 10px;
    padding: 10px 12px; background: var(--card-bg);
    display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 6px 12px;
}
.guest-iface { min-width: 0; }
.guest-iface > span:first-of-type {
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.guest-iface .iface-caps { flex: 0 0 auto; }
@media (max-width: 767px) {
    .guest-iface-box { grid-template-columns: 1fr; max-height: 300px; }
}

/* ==========================================================================
   公告富文本（Markdown 渲染结果）+ 工作台公告条 + 编辑器
   ======================================================================== */

/* ---------- 渲染结果：公告、预览区共用 ---------- */
.md-body { font-size: 13.5px; line-height: 1.85; color: var(--text-main); }
.md-body > :first-child { margin-top: 0; }
.md-body > :last-child { margin-bottom: 0; }
.md-body .md-p { margin: 0 0 10px; }
.md-body .md-h { font-size: 14px; font-weight: 600; margin: 14px 0 8px; color: var(--text-main); }
.md-body .md-list { margin: 0 0 10px; padding-left: 20px; }
.md-body .md-list li { margin-bottom: 3px; }
.md-body strong { font-weight: 600; }
.md-body em { font-style: italic; }
.md-body del { opacity: .6; }
.md-body a { color: var(--primary); text-decoration: none; }
.md-body a:hover { text-decoration: underline; }
.md-body code {
    font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px;
    background: var(--surface); border: 1px solid var(--border-color);
    border-radius: 4px; padding: 1px 5px; color: var(--text-main);
}
.md-body .md-pre {
    margin: 0 0 10px; padding: 10px 12px;
    background: var(--surface); border: 1px solid var(--border-color);
    border-radius: 8px; overflow-x: auto; white-space: pre;
    -webkit-overflow-scrolling: touch;
}
.md-body .md-pre code {
    background: transparent; border: 0; padding: 0;
    font-size: 12px; line-height: 1.7;
}
html[data-theme="dark"] .md-body .md-pre { background: rgba(255, 255, 255, .05); }

/* ---------- 工作台公告条 ---------- */
.wb-notice {
    display: flex; align-items: flex-start; gap: 11px;
    margin-bottom: 16px; padding: 13px 15px;
    border: 1px solid rgba(70, 113, 255, .28); border-radius: 12px;
    background: rgba(70, 113, 255, .06);
}
.wb-notice-icon {
    flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary-light); color: var(--primary); font-size: 15px;
}
.wb-notice-main { flex: 1; min-width: 0; }
.wb-notice-title { font-size: 13.5px; font-weight: 600; margin-bottom: 5px; color: var(--text-main); }
.wb-notice-body { font-size: 13px; }
.wb-notice-x {
    flex: 0 0 auto; padding: 0 4px; border: 0; background: transparent;
    color: var(--text-muted); font-size: 20px; line-height: 1; cursor: pointer;
    transition: color .18s;
}
.wb-notice-x:hover { color: var(--text-main); }

/* ---------- Markdown 编辑器（后台） ---------- */
.md-editor {
    border: 1px solid var(--border-color); border-radius: 10px; overflow: hidden;
    background: var(--card-bg);
}
.md-toolbar {
    display: flex; align-items: center; gap: 2px; flex-wrap: wrap;
    padding: 6px 8px; border-bottom: 1px solid var(--border-color);
    background: var(--surface);
}
.md-tool {
    min-width: 28px; height: 26px; padding: 0 6px;
    border: 1px solid transparent; border-radius: 6px; background: transparent;
    color: var(--text-muted); font-size: 12.5px; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: all .16s;
}
.md-tool:hover { color: var(--primary); background: var(--primary-light); }
.md-tool-sep { width: 1px; height: 16px; margin: 0 4px; background: var(--border-color); }
.md-editor textarea {
    display: block; width: 100%; min-height: 120px;
    padding: 11px 13px; border: 0; outline: none; resize: vertical;
    font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; line-height: 1.75;
    color: var(--text-main); background: var(--card-bg);
}
.md-editor textarea:focus { box-shadow: inset 0 0 0 2px var(--primary-light); }
.md-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 7px 10px; border-top: 1px solid var(--border-color);
    background: var(--surface); font-size: 11.5px; color: var(--text-muted);
}
.md-count { flex: 0 0 auto; }
.md-preview {
    padding: 12px 14px; border-top: 1px dashed var(--border-color);
    min-height: 44px;
}
.md-preview:empty::before {
    content: '预览会显示在这里'; color: var(--text-muted); font-size: 12.5px;
}
.md-err { color: var(--c-danger, #dc2626); font-size: 12px; }

@media (max-width: 767px) {
    .md-toolbar { gap: 1px; }
    .md-tool { min-width: 32px; height: 30px; font-size: 13px; }
    .md-editor textarea { font-size: 16px; }   /* iOS 聚焦不缩放 */
    .wb-notice { padding: 12px; }
}

/* ==========================================================================
   系统设置：跟随滚动的保存条
   --------------------------------------------------------------------------
   固定在视口底部：改完上面某一栏直接点这里保存，不用滚到最下面找按钮。
   ======================================================================== */
.set-savebar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1030;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -6px 22px rgba(15, 23, 42, .09);
}
html[data-theme="dark"] .set-savebar { box-shadow: 0 -6px 22px rgba(0, 0, 0, .5); }
.set-savebar-inner {
    max-width: 1180px; margin: 0 auto;
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.set-savebar-status {
    flex: 1 1 200px; min-width: 0;
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12.5px; color: var(--text-muted);
}
.set-savebar-status.is-dirty { color: var(--c-warning, #d97706); font-weight: 500; }
.set-savebar-actions { display: flex; gap: 8px; flex: 0 0 auto; }
/* 给内容底部留出位置，别被这条盖住 */
.set-sections { padding-bottom: 84px; }

/* 侧边栏折叠后，保存条要跟着让位（桌面端左侧被侧边栏占着） */
@media (min-width: 992px) {
    html.sidebar-collapsed .set-savebar { padding-left: 84px; }
    html:not(.sidebar-collapsed) .set-savebar { padding-left: calc(var(--sidebar-width, 240px) + 16px); }
}
@media (max-width: 767px) {
    .set-savebar { padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px)); }
    .set-savebar-status { flex: 1 1 100%; }
    .set-savebar-actions { width: 100%; }
    .set-savebar-actions .btn { flex: 1; }
    .set-sections { padding-bottom: 116px; }
}

/* 后台公告编辑：工作台公告的折叠面板 */
.wb-notice-edit {
    border: 1px solid var(--border-color); border-radius: 10px;
    background: var(--card-bg); margin-bottom: 8px; overflow: hidden;
}
.wb-notice-edit summary {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 13px; cursor: pointer; user-select: none;
    font-size: 13px; font-weight: 500; color: var(--text-main);
    list-style: none;
}
.wb-notice-edit summary::-webkit-details-marker { display: none; }
.wb-notice-edit summary:hover { background: var(--surface); }
.wb-notice-edit .wb-fold { transition: transform .18s; color: var(--text-muted); font-size: 12px; }
.wb-notice-edit[open] .wb-fold { transform: rotate(90deg); }
.wb-notice-edit .badge-soft { margin-left: auto; }
.wb-notice-edit-body { padding: 4px 13px 14px; border-top: 1px dashed var(--border-color); }

/* ==========================================================================
 * 可折叠卡片（个人中心的 API 凭证卡、后台系统设置的每张卡）
 *
 * 约定：卡片带 data-collapse="key"，头部放 [data-collapse-toggle] 按钮；
 * 折叠时只隐藏 .card-body —— 表单字段仍在 DOM 里，提交不受影响。
 * ======================================================================== */
.card-collapse-btn {
    margin-left: auto;
    background: transparent;
    border: 0;
    padding: 3px 7px;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.card-collapse-btn:hover { background: var(--surface); color: var(--text-main); }
.card-collapse-btn i { display: inline-block; transition: transform .18s ease; }
.card.is-collapsed .card-collapse-btn i { transform: rotate(-90deg); }
.card.is-collapsed > .card-body { display: none; }
/* 后台设置卡：头部右侧本来就有一排工具，折叠按钮贴在工具左边 */
.set-card .card-collapse-btn { margin-left: 0; }
.set-card .card-header-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ==========================================================================
 * 开放 API：默认分发接口选择器
 * ======================================================================== */
.api-iface-section {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
}
.api-iface-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
    font-size: 13px;
}
.api-iface-wrap {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 12px;
    background: var(--surface);
}
.api-iface-head {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.api-iface-name { font-size: 13px; font-weight: 600; }
.api-iface-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.api-iface-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
    gap: 6px;
    max-height: 240px;
    overflow: auto;
}
.api-iface {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    cursor: pointer;
    font-size: 12.5px;
    min-width: 0;
}
.api-iface input { margin: 0; flex: 0 0 auto; }
.api-iface-label { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.api-iface-id { font-style: normal; font-size: 11px; color: var(--text-muted); flex: 0 0 auto; }
.api-iface.is-on { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }

@media (max-width: 767.98px) {
    .api-iface-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); max-height: 300px; }
    .api-iface { font-size: 13px; }
}

/* ==========================================================================
 * 可折叠卡片：整条标题栏都可以点（不只是小箭头）
 * ======================================================================== */
.card[data-collapse] > .card-header {
    cursor: pointer;
    user-select: none;
    border-radius: 12px 12px 0 0;
    transition: background-color .15s ease;
}
.card[data-collapse] > .card-header:hover { background: var(--surface); }
.card.is-collapsed > .card-header { border-bottom-color: transparent; }
.card.is-collapsed > .card-header:hover { background: var(--surface); border-radius: 12px; }

/* 个人中心的「站点固定公告」 */
.pf-notice { border-left: 4px solid var(--primary); }
.pf-notice .card-header-icon { background: var(--primary-light); }

/* ==========================================================================
 * 开放 API：调用地址区块
 * ======================================================================== */
.api-call-box {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px;
    background: var(--surface);
    margin-bottom: 16px;
}
.api-call-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.api-call-title { font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.api-call-title i { color: #f59e0b; }
.api-call-group { box-shadow: none; }
.api-call-method {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    color: #fff;
    background: #334155;
    border-radius: 8px 0 0 8px;
    flex: 0 0 auto;
}
.api-call-group .form-control { font-size: 12.5px; }
.api-call-box .api-fallback { word-break: break-all; }

/* ==========================================================================
 * 接口权限明细：卡片网格 + 等级徽标（普通 / VIP / 管理员）
 * ======================================================================== */
.iface-perm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
}
.iface-perm-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px;
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.iface-perm-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}
.iface-perm-name {
    font-size: 13.5px;
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.iface-perm-name small {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}
.iface-perm-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
}
.iface-perm-meta i { margin-right: 3px; }
.iface-perm-state {
    margin-top: 2px;
    font-size: 12px;
    color: #16a34a;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.iface-role {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex: 0 0 auto;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    line-height: 1.6;
    border: 1px solid transparent;
    white-space: nowrap;
}
/* 普通接口：克制的灰底 */
.iface-role-user {
    background: var(--card-bg);
    color: var(--text-muted);
    border-color: var(--border-color);
}
/* 会员接口：金色 VIP */
.iface-role-vip {
    background: linear-gradient(135deg, #fde68a 0%, #f59e0b 100%);
    color: #7c2d12;
    font-weight: 700;
    border-color: #f59e0b;
    box-shadow: 0 1px 4px rgba(245, 158, 11, .35);
}
/* 管理员接口：深色盾牌，一眼区分 */
.iface-role-admin {
    background: linear-gradient(135deg, #4338ca 0%, #1e1b4b 100%);
    color: #e0e7ff;
    font-weight: 700;
    border-color: #312e81;
    box-shadow: 0 1px 4px rgba(49, 46, 129, .35);
}

@media (max-width: 767.98px) {
    .iface-perm-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
 * 后台接口管理：隐写能力徽标（加密传输依赖 PNG 最低位）
 * ======================================================================== */
.stego-pill {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 11.5px;
    line-height: 1.7;
    border: 1px solid transparent;
    white-space: nowrap;
}
.stego-pill.is-ok {
    background: rgba(22, 163, 74, .14);
    color: #16a34a;
    border-color: rgba(22, 163, 74, .38);
}
.stego-pill.is-bad {
    background: rgba(220, 38, 38, .14);
    color: #dc2626;
    border-color: rgba(220, 38, 38, .38);
}
.stego-pill.is-unknown {
    background: var(--surface);
    color: var(--text-muted);
    border-color: var(--border-color);
}
.iface-action-btn.is-block {
    display: block;
    width: 100%;
    margin-top: 4px;
}

/* ==========================================================================
 * 站点页脚（内容来自后台「系统设置 → 站点基本信息 → 页脚自定义代码」）
 *
 * 版式：居中 + 顶部一条分割线，与正文分开；颜色全部走主题变量，
 * 深色模式下自动跟着变（原来的落地页把颜色写死成 #f1f5f9，深色下看不见）。
 * ======================================================================== */
.site-footer {
    margin-top: 28px;
    padding: 18px 24px 10px;
    border-top: 1px solid var(--border-color);
    font-size: 12.5px;
    line-height: 2;
    color: var(--text-muted);
    text-align: center;
    word-break: break-word;
}
.site-footer-inner {
    max-width: 1400px;
    margin: 0 auto;
}
.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .15s ease;
}
.site-footer a:hover { color: var(--primary); }
.site-footer img { vertical-align: middle; max-height: 20px; }
.site-footer code { font-size: 12px; }

/*
 * 登录 / 注册 / 提取页：整页是「100vh 居中的卡片」，页脚若留在文档流里会被
 * 顶到视口下方，必须滚动才看得到。这类页面改成贴底固定，并且不画分割线
 * （否则一条线会横在卡片下面，显得像被切断）。
 */
.site-footer.is-floating {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 10px;
    z-index: 5;
    margin: 0;
    padding: 0 16px;
    border-top: 0;
    pointer-events: none;          /* 别挡住卡片的点击 */
}
.site-footer.is-floating a,
.site-footer.is-floating img { pointer-events: auto; }

/* 这类页面底部留出页脚的高度，卡片内容不会被压住 */
.auth-body .auth-wrap { padding-bottom: 72px; }

@media (max-width: 767.98px) {
    .site-footer { margin-top: 20px; padding: 16px 14px 8px; font-size: 12px; }
    .site-footer img { max-height: 18px; }
}

/* ==========================================================================
 * 注册页：邮箱 + 验证码一行（「获取验证码」按钮与输入框等高）
 * ======================================================================== */
.code-row {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}
.code-row .form-control {
    flex: 1 1 auto;
    min-width: 0;
    text-align: center;
    letter-spacing: 4px;
    font-size: 15px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
}
.code-row .btn {
    flex: 0 0 auto;
    white-space: nowrap;
}
/* 占位符别跟着拉开字距，否则「6 位验证码」会散成「6   位   验   证   码」 */
.code-row .form-control::placeholder {
    letter-spacing: normal;
    font-size: 14px;
}