/* =========================================================
   表情包后端管理后台 · 设计系统
   暗色优先 · 纯色无渐变 · 标签在上数值在下统一卡片
   ========================================================= */

/* ---------- 主题变量 ---------- */
:root,
[data-theme="dark"] {
  --bg: #0e1014;
  --surface: #161922;
  --card: #181c25;
  --card-hover: #1d2230;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.13);
  --text: #e7e9ee;
  --muted: #8b919e;
  --faint: #5c626e;
  --accent: #6c8cff;
  --accent-2: #9b7bff;
  --accent-soft: rgba(108, 140, 255, 0.15);
  --green: #3ecf8e;
  --green-soft: rgba(62, 207, 142, 0.15);
  --red: #ff6b6b;
  --red-soft: rgba(255, 107, 107, 0.14);
  --amber: #f5b14c;
  --row-hover: rgba(255, 255, 255, 0.035);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --input-bg: #11141b;
  --code-bg: #11141b;
}

[data-theme="light"] {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --card: #ffffff;
  --card-hover: #f7f9fc;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.16);
  --text: #1f2733;
  --muted: #717a89;
  --faint: #a3abba;
  --accent: #3a6df0;
  --accent-2: #7c5cff;
  --accent-soft: rgba(58, 109, 240, 0.1);
  --green: #1d9e75;
  --green-soft: rgba(29, 158, 117, 0.12);
  --red: #e24b4a;
  --red-soft: rgba(226, 75, 74, 0.1);
  --amber: #ba7517;
  --row-hover: rgba(15, 23, 42, 0.03);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --input-bg: #ffffff;
  --code-bg: #f3f5f9;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

::selection { background: var(--accent-soft); }

/* 滚动条 */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
*::-webkit-scrollbar-track { background: transparent; }

.app { display: flex; min-height: 100vh; }

/* ---------- 侧边栏 ---------- */
.sidebar {
  width: 232px;
  flex: 0 0 232px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 22px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 4px 10px 22px;
}
.brand .logo {
  width: 34px; height: 34px;
  flex: 0 0 34px;
  border-radius: 10px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  box-shadow: var(--shadow-sm);
}
.brand .name { font-size: 15px; font-weight: 650; letter-spacing: 0.3px; }
.brand .sub { font-size: 11px; color: var(--faint); margin-top: -2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 3px;
  font-weight: 500;
  font-size: 13.5px;
  user-select: none;
  position: relative;
  transition: background 0.12s, color 0.12s;
}
.nav-item .icon { width: 18px; height: 18px; flex: 0 0 18px; opacity: 0.9; }
.nav-item:hover { background: var(--row-hover); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-item.active::before {
  content: "";
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 18px; border-radius: 0 3px 3px 0;
  background: var(--accent);
}
.nav-item.logout { color: var(--muted); }
.nav-spacer { flex: 1; }

.side-foot {
  border-top: 1px solid var(--border);
  padding-top: 12px; margin-top: 6px;
  display: flex; align-items: center; gap: 10px;
}
.avatar {
  width: 30px; height: 30px; flex: 0 0 30px;
  border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 650; font-size: 13px;
}
.side-foot .uinfo { line-height: 1.2; overflow: hidden; }
.side-foot .uname { font-size: 13px; font-weight: 600; }
.side-foot .urole { font-size: 11px; color: var(--faint); }

/* ---------- 主区 ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar .title { font-size: 16px; font-weight: 650; }
.topbar .title .crumb { color: var(--faint); font-weight: 500; margin-right: 8px; }
.topbar .right { display: flex; align-items: center; gap: 10px; }

.theme-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: 0.12s;
}
.theme-btn:hover { color: var(--accent); border-color: var(--border-strong); }
.theme-btn .icon { width: 18px; height: 18px; }

.content { padding: 26px 32px 48px; max-width: 100%; width: 100%; }
.page-title { font-size: 20px; font-weight: 650; margin: 0 0 4px; letter-spacing: 0.2px; }
.page-sub { color: var(--muted); margin: 0 0 22px; font-size: 13px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.card-title {
  font-size: 13.5px; font-weight: 600; margin: 0 0 14px;
  display: flex; align-items: center; gap: 8px; color: var(--text);
}
.card-title .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* 统计卡：标签在上、数值在下 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 14px; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s, border-color 0.12s;
}
.stat:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.stat::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent);
  opacity: 0.85;
}
.stat.c-green::before { background: var(--green); }
.stat.c-amber::before { background: var(--amber); }
.stat.c-purple::before { background: var(--accent-2); }
.stat.c-blue::before { background: #4aa8ff; }
.stat-label { font-size: 12px; color: var(--muted); margin-bottom: 9px; letter-spacing: 0.3px; }
.stat-value { font-size: 27px; font-weight: 700; line-height: 1; letter-spacing: -0.5px; }
.stat-value .unit { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 4px; }
.stat-value.small { font-size: 18px; }

/* ---------- 表单 ---------- */
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 0; }
.field label { font-size: 12px; color: var(--muted); font-weight: 500; }
input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 9px 11px;
  outline: none;
  min-width: 160px;
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[type="file"] { padding: 7px 10px; }
select { cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn {
  font: inherit; font-weight: 550;
  border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--text);
  border-radius: 10px;
  padding: 9px 15px; cursor: pointer;
  transition: 0.12s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { opacity: 0.9; color: #fff; }
.btn.danger { color: var(--red); border-color: var(--border-strong); }
.btn.danger:hover { background: var(--red-soft); border-color: var(--red); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; border-radius: 9px; }
.spacer { flex: 1; }

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; color: var(--muted); font-weight: 550; font-size: 11.5px;
  letter-spacing: 0.4px; text-transform: uppercase;
  padding: 11px 14px; border-bottom: 1px solid var(--border);
}
td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr { transition: background 0.1s; }
tbody tr:hover { background: var(--row-hover); }
tr:last-child td { border-bottom: none; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); }

/* 标签 / 徽标 */
.tag {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500;
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--border);
}
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 550;
}
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.err { background: var(--red-soft); color: var(--red); }
.badge.warn { background: var(--amber); color: #1c1300; }

/* ---------- 开关 ---------- */
.switch { position: relative; width: 42px; height: 23px; cursor: pointer; display: inline-block; }
.switch input { display: none; }
.slider { position: absolute; inset: 0; background: var(--border-strong); border-radius: 999px; transition: 0.18s; }
.slider::before { content: ""; position: absolute; width: 19px; height: 19px; left: 2px; top: 2px;
  background: #fff; border-radius: 50%; transition: 0.18s; box-shadow: 0 1px 3px rgba(0,0,0,0.3); }
.switch input:checked + .slider { background: var(--green); }
.switch input:checked + .slider::before { transform: translateX(19px); }

/* ---------- 上传网格 ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 14px; }
.cell {
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
  background: var(--card); transition: transform 0.12s, border-color 0.12s;
}
.cell:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.cell img { width: 100%; height: 124px; object-fit: cover; display: block; background: var(--bg); }
.cell .meta { padding: 8px 10px; font-size: 12px; color: var(--muted);
  display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.cell .title { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 登录 ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 360px; }
.login-card .brand { justify-content: center; padding: 0 0 20px; flex-direction: column; gap: 12px; }
.login-card .brand .logo { width: 52px; height: 52px; flex-basis: 52px; font-size: 26px; border-radius: 15px; }
.login-card .brand .name { font-size: 18px; }
.hint { font-size: 12px; color: var(--faint); margin-top: 14px; text-align: center; }

/* ---------- 提示 ---------- */
.toast {
  position: fixed; top: 22px; left: 50%; transform: translateX(-50%);
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 11px 20px; border-radius: 10px;
  font-size: 13px; z-index: 60; box-shadow: var(--shadow);
}
.muted { color: var(--muted); }
.empty { color: var(--faint); text-align: center; padding: 32px 0; font-size: 13px; }
.pager { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 16px; }
.code-box {
  background: var(--code-bg); border: 1px dashed var(--border-strong); border-radius: 10px;
  padding: 12px 14px; font-family: ui-monospace, monospace; font-size: 12.5px; word-break: break-all;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* 响应式 */
@media (max-width: 720px) {
  .sidebar { display: none; }
  .content, .topbar { padding-left: 16px; padding-right: 16px; }
}

/* ---------- Markdown 文档（使用说明 / 接口文档） ---------- */
.md-content { max-width: 920px; line-height: 1.78; color: var(--text); font-size: 14px; }
.md-content > :first-child { margin-top: 0; }
.md-content h1 { font-size: 22px; font-weight: 700; margin: 4px 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.md-content h2 { font-size: 17px; font-weight: 650; margin: 30px 0 12px; display: flex; align-items: center; gap: 9px; }
.md-content h2::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: var(--accent); display: inline-block; }
.md-content h3 { font-size: 14.5px; font-weight: 600; margin: 22px 0 8px; color: var(--text); }
.md-content p { margin: 11px 0; color: var(--muted); }
.md-content a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); }
.md-content a:hover { border-bottom-color: var(--accent); }
.md-content ul, .md-content ol { margin: 11px 0; padding-left: 22px; color: var(--muted); }
.md-content li { margin: 6px 0; }
.md-content li::marker { color: var(--accent); }
.md-content code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; background: var(--code-bg); border: 1px solid var(--border); padding: 1.5px 6px; border-radius: 6px; color: var(--accent-2); }
.md-content pre.code { background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; overflow: auto; margin: 14px 0; }
.md-content pre.code code { background: none; border: none; padding: 0; color: var(--text); font-size: 12.5px; line-height: 1.6; }
.md-content blockquote { margin: 14px 0; padding: 10px 16px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 10px 10px 0; color: var(--text); font-size: 13px; }
.md-content blockquote p { margin: 4px 0; color: var(--text); }
.md-content hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.md-content table.md-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.md-content table.md-table th { text-align: left; background: var(--surface); color: var(--muted); font-weight: 600; font-size: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.md-content table.md-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text); }
.md-content table.md-table tr:last-child td { border-bottom: none; }
.md-content table.md-table tbody tr:hover { background: var(--row-hover); }

/* ---------- 使用说明：右侧分级目录 ---------- */
.docs-layout { display: flex; gap: 28px; align-items: flex-start; }
.docs-main { flex: 1; min-width: 0; }
.docs-toc {
  width: 250px; flex: 0 0 250px;
  position: sticky; top: 84px; align-self: flex-start;
  max-height: calc(100vh - 110px); overflow: auto;
  padding: 16px 16px 18px 18px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow-sm);
}
.docs-toc-title {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--faint); margin-bottom: 12px;
}
.docs-toc-nav { display: flex; flex-direction: column; gap: 2px; }
.docs-toc-link {
  display: block; padding: 6px 10px;
  border-radius: 8px; font-size: 13px; line-height: 1.4;
  color: var(--muted); text-decoration: none;
  border-left: 2px solid transparent;
  transition: background .12s, color .12s, border-color .12s;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.docs-toc-link.lv3 { padding-left: 24px; font-size: 12.5px; color: var(--faint); }
.docs-toc-link:hover { background: var(--row-hover); color: var(--text); }
.docs-toc-link.active {
  color: var(--accent); background: var(--accent-soft);
  border-left-color: var(--accent); font-weight: 600;
}
/* 标题锚点滚动偏移，避免被 sticky 顶栏遮挡 */
.md-content h1, .md-content h2, .md-content h3, .md-content h4 { scroll-margin-top: 80px; }

/* 响应式：窄屏隐藏目录 */
@media (max-width: 900px) {
  .docs-layout { flex-direction: column; }
  .docs-toc { display: none; }
}