/* 图墨 · 运营控制台 — 与桌面端同一水墨玻璃语言 */

:root {
  --bg-0: #0d0c10; --bg-1: #14121a;
  --ink: #f2ede2; --ink-soft: #a89f90; --ink-faint: #6f685c;
  --line: rgba(255,255,255,0.09);
  --glass: rgba(255,255,255,0.055); --glass-strong: rgba(30,27,38,0.62);
  --cinnabar: #e05a41; --cinnabar-soft: rgba(224,90,65,0.16);
  --gold: #c9a86a; --ok: #7fc78f; --warn: #d9a05b;
  --serif: "Noto Serif SC","Source Han Serif SC","STZhongsong","SimSun",serif;
  --sans: "Microsoft YaHei UI","PingFang SC","Noto Sans SC",system-ui,sans-serif;
}
* { box-sizing: border-box; }
html, body { margin:0; height:100%; color:var(--ink); font-family:var(--sans); font-size:14px; background:var(--bg-0); }
.hidden { display:none !important; }

.backdrop { position:fixed; inset:0; z-index:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(120,96,140,.28), transparent 60%),
    radial-gradient(900px 560px at 88% 12%, rgba(160,74,54,.20), transparent 62%),
    radial-gradient(1000px 700px at 55% 115%, rgba(46,64,88,.30), transparent 65%),
    linear-gradient(165deg, var(--bg-1), var(--bg-0) 55%);
}
.glass { background:var(--glass); border:1px solid var(--line); backdrop-filter:blur(20px) saturate(150%); -webkit-backdrop-filter:blur(20px) saturate(150%); }

/* login */
.login-wrap { position:relative; z-index:1; height:100vh; display:flex; align-items:center; justify-content:center; }
.login-card { width:380px; padding:36px; text-align:center; border-radius:22px; background:var(--glass-strong); box-shadow:0 30px 90px rgba(0,0,0,.6); }
.login-title { font-family:var(--serif); font-size:28px; letter-spacing:14px; text-indent:14px; font-weight:700; margin-top:12px;
  background:linear-gradient(180deg,#fbf6ea,#cabfa9); -webkit-background-clip:text; background-clip:text; color:transparent; }
.login-sub { color:var(--ink-soft); font-size:12px; letter-spacing:2px; margin:6px 0 20px; }

.field { margin-bottom:12px; text-align:left; }
.field label { display:block; font-size:12px; color:var(--ink-soft); margin-bottom:5px; }
.field input, .field select, .field textarea {
  width:100%; border:1px solid var(--line); border-radius:10px; padding:9px 12px; font-size:13px;
  background:rgba(0,0,0,.28); color:var(--ink); outline:none; font-family:inherit;
}
.field input:focus { border-color:rgba(224,90,65,.55); }

.btn { border:1px solid var(--line); background:rgba(255,255,255,.06); color:var(--ink); border-radius:10px; padding:9px 16px; font-size:13px; cursor:pointer; }
.btn:hover { background:rgba(255,255,255,.11); }
.btn.primary { background:linear-gradient(135deg,#e05a41,#b03a2e); border-color:rgba(255,138,104,.5); color:#fff; font-weight:600; }
.btn.full { width:100%; margin-top:6px; }
.btn:disabled { opacity:.5; cursor:not-allowed; }
.btn.mini { padding:3px 10px; font-size:11px; }

.error-banner { background:rgba(224,90,65,.14); border:1px solid rgba(224,90,65,.4); color:#ffb4a4; border-radius:10px; padding:9px 12px; font-size:12.5px; margin-bottom:12px; text-align:left; }
.hint { font-size:12px; color:var(--ink-faint); line-height:1.7; }

/* shell */
.shell { position:relative; z-index:1; display:grid; grid-template-columns:230px 1fr; height:100vh; }
.sidebar { display:flex; flex-direction:column; gap:8px; padding:16px 12px; border-right:1px solid var(--line); background:rgba(13,12,16,.55); backdrop-filter:blur(24px); }
.brand { display:flex; align-items:center; gap:10px; padding:4px 6px 14px; }
.brand-name { font-family:var(--serif); font-size:17px; letter-spacing:5px; font-weight:700; color:#f0e9da; }
.brand-tag { font-size:10.5px; color:var(--ink-faint); margin-top:2px; }
#tabs { display:flex; flex-direction:column; gap:6px; }
#tabs button { border:1px solid transparent; background:transparent; text-align:left; padding:10px 12px; border-radius:10px; color:var(--ink-soft); font-size:13.5px; cursor:pointer; }
#tabs button:hover { background:rgba(255,255,255,.06); color:var(--ink); }
#tabs button.on { background:var(--cinnabar-soft); border-color:rgba(224,90,65,.35); color:#ffb4a4; font-weight:600; }
.spacer { flex:1; }
.me { border-radius:10px; padding:8px 10px; font-size:12px; color:var(--ink-soft); }

.main { display:flex; flex-direction:column; overflow:hidden; }
.topbar { display:flex; align-items:center; gap:12px; height:48px; padding:0 20px; border-bottom:1px solid var(--line); font-size:13.5px; letter-spacing:1px; }
.topbar .backend { margin-left:auto; font-size:11.5px; color:var(--ink-faint); }
.page { padding:24px 30px; overflow-y:auto; }

h1 { font-family:var(--serif); font-size:21px; letter-spacing:2px; margin:0 0 6px; }
.sub { color:var(--ink-soft); font-size:12.5px; margin:0 0 18px; }
.card { background:var(--glass-strong); border:1px solid var(--line); border-radius:14px; backdrop-filter:blur(22px); padding:18px 20px; margin-bottom:16px; }
.card h2 { font-size:14px; margin:0 0 12px; letter-spacing:1px; }
.row { display:flex; gap:12px; align-items:flex-end; flex-wrap:wrap; }
.row .field { flex:1; min-width:150px; margin-bottom:0; }

.stat-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(170px,1fr)); gap:12px; }
.stat-card { border-radius:14px; border:1px solid var(--line); background:var(--glass); backdrop-filter:blur(18px); padding:16px 18px; }
.stat-card .v { font-family:var(--serif); font-size:25px; color:#f7f1e4; }
.stat-card .k { font-size:12px; color:var(--ink-soft); margin-top:4px; letter-spacing:1px; }

.table { width:100%; border-collapse:collapse; font-size:12.5px; }
.table th { text-align:left; color:var(--ink-faint); font-weight:600; padding:8px 10px; border-bottom:1px solid var(--line); white-space:nowrap; }
.table td { padding:8px 10px; border-bottom:1px solid rgba(255,255,255,.05); vertical-align:top; }
.table tr:hover td { background:rgba(255,255,255,.03); }
.mono { font-family:Consolas,monospace; color:var(--ink-soft); word-break:break-all; max-width:420px; }

.pager { display:flex; gap:8px; margin-top:12px; align-items:center; }
.toast { position:fixed; right:20px; bottom:20px; z-index:90; background:rgba(30,27,38,.9); border:1px solid var(--line); border-radius:12px; padding:11px 16px; font-size:13px; backdrop-filter:blur(20px); animation:rise .25s ease; }
@keyframes rise { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

/* ── 教材库：按客户分组 → 教材目录 → 正文预览 / 整本下载 ─────────────── */
.book-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(245px,1fr)); gap:12px; }
.book-card { text-align:left; border:1px solid var(--line); border-radius:12px; background:var(--glass); padding:12px 14px; cursor:pointer; color:var(--ink); font-family:inherit; }
.book-card:hover { background:rgba(255,255,255,.09); border-color:rgba(224,90,65,.35); }
.bc-head { display:flex; justify-content:space-between; gap:8px; align-items:baseline; }
.bc-name { font-weight:600; font-size:13.5px; word-break:break-all; }
.bc-date { font-size:11px; color:var(--ink-faint); white-space:nowrap; }
.bc-stats { font-size:11.5px; color:var(--ink-soft); margin-top:7px; line-height:1.6; }
.book-detail-head { display:flex; align-items:center; gap:12px; margin-bottom:14px; flex-wrap:wrap; }
.book-detail-head .spacer { flex:1; }
.book-detail { display:grid; grid-template-columns:minmax(240px,330px) minmax(0,1fr); gap:16px; align-items:start; }
.book-toc { max-height:calc(100vh - 210px); overflow:auto; margin-bottom:0; }
.toc-item { display:block; width:100%; text-align:left; border:1px solid transparent; background:transparent; color:var(--ink-soft); padding:7px 9px; border-radius:8px; cursor:pointer; font-size:12.5px; font-family:inherit; line-height:1.5; }
.toc-item:hover { background:rgba(255,255,255,.06); color:var(--ink); }
.toc-item.on { background:var(--cinnabar-soft); border-color:rgba(224,90,65,.35); color:#ffb4a4; }
.toc-kind { font-size:10.5px; color:var(--ink-faint); margin-right:6px; }
.toc-chars { font-size:10.5px; color:var(--ink-faint); float:right; }
.book-view { margin-bottom:0; }
.book-view pre { margin:0; max-height:calc(100vh - 280px); overflow:auto; white-space:pre-wrap; word-break:break-word;
  font-family:Consolas,"Microsoft YaHei UI",monospace; font-size:12.5px; line-height:1.85; color:#e6dfd2; }

.btn.danger { border-color:rgba(224,90,65,.5); color:#ffb4a4; background:rgba(224,90,65,.12); }
.btn.danger:hover { background:rgba(224,90,65,.22); }
.ops-toolbar { align-items:flex-end; }
.ops-toolbar .field { margin-bottom:0; }
.op-chip { display:inline-block; font-size:11px; padding:1.5px 8px; border-radius:5px; border:1px solid var(--line); background:rgba(255,255,255,.06); color:var(--ink-soft); }
.op-chip.t-tool { border-color:rgba(127,199,143,.35); color:#9fdcae; }
.op-chip.t-result { border-color:rgba(217,160,91,.35); color:#e6b878; }
.op-chip.t-prompt { border-color:rgba(147,161,224,.35); color:#aeb9ec; }
.op-chip.t-login { border-color:rgba(224,90,65,.35); color:#ffb4a4; }
.op-chip.t-admin { border-color:rgba(180,150,220,.35); color:#cdb4ea; }
.op-status { display:inline-block; font-size:10.5px; margin-left:5px; padding:0 5px; border-radius:4px; }
.op-status.ok { background:rgba(127,199,143,.16); color:#9fdcae; }
.op-status.fail { background:rgba(224,90,65,.2); color:#ffb4a4; }
.ops-table td { vertical-align:middle; }
.op-detail { cursor:pointer; max-width:420px; }
.op-summary { display:inline-block; max-width:340px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; vertical-align:middle; color:var(--ink-soft); }
.op-more { font-size:11px; color:var(--cinnabar); margin-left:6px; white-space:nowrap; }
.op-detail:hover .op-more { text-decoration:underline; }
.detail-row { display:none; }
.detail-row.open { display:table-row; }
.detail-row td { background:rgba(0,0,0,.28); padding:0; }
.detail-row pre { margin:0; padding:12px 14px; font-family:Consolas,monospace; font-size:11.5px; line-height:1.6; color:var(--ink-soft); white-space:pre-wrap; word-break:break-all; max-height:320px; overflow:auto; }

/* ── 系统设置 · 品牌标识 ─────────────────────────────────────────── */
.brand-edit { display:flex; gap:18px; align-items:flex-start; flex-wrap:wrap; }
.brand-preview { width:96px; height:96px; flex:none; border-radius:20px; border:1px solid var(--line);
  background:rgba(0,0,0,.28); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.brand-preview img { width:100%; height:100%; object-fit:contain; }
.brand-preview.pending { border-color:rgba(217,160,91,.6); box-shadow:0 0 0 3px rgba(217,160,91,.12); }
.brand-copy { flex:1; min-width:260px; }
.brand-line { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:6px; }
.brand-badge { font-size:11px; padding:1.5px 8px; border-radius:5px; border:1px solid var(--line); background:rgba(255,255,255,.06); color:var(--ink-soft); }
.brand-badge.custom { border-color:rgba(201,168,106,.45); color:var(--gold); }
.brand-badge.pending { border-color:rgba(217,160,91,.5); color:var(--warn); }
.brand-copy .hint { margin:0 0 12px; }
.brand-actions { display:flex; gap:10px; flex-wrap:wrap; }

/* ── 运营总览 ─────────────────────────────────────────────────────── */
.stat-card .s { font-size:11px; color:var(--ink-faint); margin-top:6px; line-height:1.6; }
.ov-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(360px,1fr)); gap:16px; margin-bottom:16px; }
.ov-grid .card { margin-bottom:0; }
.ov-list { display:flex; flex-direction:column; gap:11px; margin-top:4px; }
.ov-row { display:grid; grid-template-columns:58px 1fr 52px; align-items:center; gap:10px; font-size:12.5px; color:var(--ink-soft); }
.ov-track { height:8px; border-radius:4px; background:rgba(255,255,255,.06); overflow:hidden; }
.ov-track i { display:block; height:100%; border-radius:4px; background:linear-gradient(90deg,#e05a41,#c9a86a); min-width:2px; }
.ov-row b { text-align:right; font-weight:600; color:var(--ink); }
.ov-kv { display:grid; grid-template-columns:repeat(auto-fill,minmax(132px,1fr)); gap:10px; }
.ov-kv div { border:1px solid var(--line); border-radius:10px; padding:9px 12px; background:rgba(255,255,255,.035); }
.ov-kv span { display:block; font-size:11px; color:var(--ink-faint); }
.ov-kv b { display:block; font-family:var(--serif); font-size:17px; color:#f7f1e4; margin-top:3px; }
.trend { display:flex; align-items:flex-end; gap:8px; height:138px; margin:8px 0 2px; }
.trend .bar { flex:1; height:100%; display:flex; flex-direction:column; justify-content:flex-end; align-items:center; gap:5px; min-width:0; }
.trend .bar .track { flex:1; width:100%; display:flex; align-items:flex-end; justify-content:center; }
.trend .bar .track i { width:100%; max-width:42px; min-height:3px; border-radius:5px 5px 2px 2px; background:linear-gradient(180deg,#e05a41,#8c3a2b); }
.trend .bar.empty .track i { background:rgba(255,255,255,.09); }
.trend .bar b { font-size:11px; color:var(--ink); font-weight:600; }
.trend .bar span { font-size:10px; color:var(--ink-faint); white-space:nowrap; }
.ov-top td:first-child { font-weight:600; }