/* =========================================================
   GPU 池进出管理系统 — 样式
   ========================================================= */
:root {
  --bg: #f3f5f9;
  --panel: #ffffff;
  --line: #e3e8f0;
  --line-2: #eef1f6;
  --ink: #0f1b2d;
  --ink-2: #475569;
  --ink-3: #7b8798;
  --muted: #9aa6b6;
  --nav: #0d1b2e;
  --nav-2: #16273f;
  --brand: #1d4ed8;
  --brand-d: #17377f;
  --teal: #0f766e;
  --amber: #b45309;
  --red: #c0392b;
  --green: #0f8a5f;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 27, 45, .05), 0 8px 24px -16px rgba(15, 27, 45, .18);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 13.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
a { color: var(--brand); text-decoration: none; }

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

/* ---------------- 侧边栏 ---------------- */
.sidebar {
  width: 214px; flex: 0 0 214px;
  background: var(--nav);
  color: #cbd5e1;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { padding: 20px 18px 16px; border-bottom: 1px solid rgba(255,255,255,.07); }
.brand .mark {
  display: flex; align-items: center; gap: 9px;
  font-size: 14.5px; font-weight: 600; color: #fff; letter-spacing: .01em;
}
.brand .logo {
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(140deg, #3b82f6, #0ea5a4);
  display: grid; place-items: center; color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: .02em;
}
.brand .sub { margin-top: 6px; font-size: 11px; color: #7c8ba1; letter-spacing: .04em; }
.nav { padding: 12px 10px; flex: 1; overflow-y: auto; }
.nav .group { padding: 12px 8px 6px; font-size: 10.5px; color: #5d6b81; letter-spacing: .08em; }
.nav a {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; margin: 1px 0;
  border-radius: 7px; color: #b6c2d4; font-size: 13px;
  cursor: pointer; user-select: none;
  transition: background .12s, color .12s;
}
.nav a svg { flex: 0 0 15px; opacity: .75; }
.nav a:hover { background: rgba(255,255,255,.055); color: #e8eef7; }
.nav a.active { background: var(--nav-2); color: #fff; box-shadow: inset 2px 0 0 #3b82f6; }
.nav a.active svg { opacity: 1; }
.sidebar .foot {
  padding: 12px 18px 16px; border-top: 1px solid rgba(255,255,255,.07);
  font-size: 11px; color: #64748b; line-height: 1.7;
}

/* ---------------- 主区 ---------------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 58px; flex: 0 0 58px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; position: sticky; top: 0; z-index: 20;
}
.topbar .t { display: flex; align-items: baseline; gap: 12px; }
.topbar h1 { font-size: 15px; }
.topbar .desc { font-size: 12px; color: var(--ink-3); }
.topbar .actions { display: flex; align-items: center; gap: 8px; }
.view { padding: 22px 24px 60px; max-width: 1500px; width: 100%; }

/* ---------------- 通用组件 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border: 1px solid var(--line); background: #fff; border-radius: 7px;
  cursor: pointer; white-space: nowrap; font-size: 12.5px; color: var(--ink-2);
  transition: all .12s;
}
.btn:hover { border-color: #c8d2e0; color: var(--ink); background: #fbfcfe; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: #1e40af; border-color: #1e40af; color: #fff; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--red); border-color: #f1d4d0; }
.btn.danger:hover { background: #fdf3f2; border-color: #e8b8b2; }
.btn.sm { height: 26px; padding: 0 8px; font-size: 11.5px; border-radius: 6px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-hd {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; border-bottom: 1px solid var(--line-2); gap: 12px;
}
.card-hd h3 { font-size: 13.5px; }
.card-hd .hint { font-size: 11.5px; color: var(--ink-3); font-weight: 400; }
.card-bd { padding: 16px; }
.card-bd.tight { padding: 0; }

.grid { display: grid; gap: 14px; }
.g-kpi { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-2-1 { grid-template-columns: 1.55fr 1fr; }
@media (max-width: 1280px) {
  .g-kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-2-1, .g-3 { grid-template-columns: 1fr; }
}

/* KPI */
.kpi { padding: 15px 16px 14px; }
.kpi .lbl { font-size: 11.5px; color: var(--ink-3); display: flex; align-items: center; justify-content: space-between; }
.kpi .val { font-size: 22px; font-weight: 650; letter-spacing: -.02em; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi .val small { font-size: 12px; font-weight: 500; color: var(--ink-3); margin-left: 3px; }
.kpi .sub { font-size: 11.5px; color: var(--ink-3); margin-top: 5px; display: flex; gap: 8px; flex-wrap: wrap; }
.kpi .sub b { font-weight: 600; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.tag {
  display: inline-flex; align-items: center; height: 18px; padding: 0 6px;
  border-radius: 4px; font-size: 10.5px; font-weight: 500;
  background: #eef2f9; color: #475569; letter-spacing: .01em;
}
.tag.blue { background: #eaf0fe; color: #1d4ed8; }
.tag.teal { background: #e6f6f4; color: #0f766e; }
.tag.amber { background: #fdf3e3; color: #b45309; }
.tag.grey { background: #f1f4f8; color: #64748b; }
.tag.red { background: #fdeceb; color: #c0392b; }
.tag.green { background: #e8f6ef; color: #0f8a5f; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table.tb { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.tb th {
  text-align: left; font-weight: 500; color: var(--ink-3);
  font-size: 11.5px; letter-spacing: .02em;
  padding: 9px 12px; background: #fafbfd;
  border-bottom: 1px solid var(--line); white-space: nowrap;
  position: sticky; top: 0; z-index: 1;
}
table.tb td { padding: 9px 12px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
table.tb tbody tr:hover { background: #fafcff; }
table.tb tbody tr:last-child td { border-bottom: none; }
table.tb .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.tb .mono { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
table.tb tfoot td { padding: 10px 12px; border-top: 1px solid var(--line); font-weight: 600; background: #fbfcfe; }
table.tb .muted { color: var(--ink-3); }
table.tb .strong { font-weight: 600; }
.row-in td { background: #fbfdff; }
.row-out td { background: #fff; }

/* 筛选条 */
.toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 12px 16px; border-bottom: 1px solid var(--line-2);
}
.field { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-3); }
input[type="text"], input[type="number"], input[type="date"], select, textarea {
  height: 30px; padding: 0 9px; border: 1px solid var(--line);
  border-radius: 6px; background: #fff; font-size: 12.5px; color: var(--ink);
  outline: none; transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus { border-color: #93b4f5; box-shadow: 0 0 0 3px rgba(29,78,216,.09); }
textarea { height: auto; padding: 7px 9px; resize: vertical; }
input::placeholder { color: #b6c0cd; }
select { cursor: pointer; }

.empty { padding: 46px 20px; text-align: center; color: var(--ink-3); font-size: 12.5px; }
.empty .big { font-size: 13.5px; color: var(--ink-2); margin-bottom: 6px; font-weight: 500; }

/* 图表 */
.chart-box { padding: 6px 4px 2px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; padding: 4px 12px 4px; }
.legend .it { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--ink-2); }
.legend .sw { width: 9px; height: 9px; border-radius: 2px; }

/* 弹窗 */
.mask {
  position: fixed; inset: 0; background: rgba(13,27,46,.42);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; z-index: 100; overflow-y: auto;
  animation: fade .14s ease-out;
}
@keyframes fade { from { opacity: 0 } to { opacity: 1 } }
.modal {
  width: 660px; max-width: 100%; background: #fff; border-radius: 12px;
  box-shadow: 0 24px 64px -12px rgba(13,27,46,.4);
  animation: rise .18s cubic-bezier(.2,.7,.3,1);
}
.modal.wide { width: 760px; }
@keyframes rise { from { transform: translateY(8px); opacity: .6 } to { transform: none; opacity: 1 } }
.modal .hd { padding: 16px 20px; border-bottom: 1px solid var(--line-2); display: flex; justify-content: space-between; align-items: center; }
.modal .hd h3 { font-size: 14px; }
.modal .hd .x { cursor: pointer; color: var(--ink-3); font-size: 18px; line-height: 1; padding: 2px 4px; }
.modal .bd { padding: 18px 20px; }
.modal .ft { padding: 13px 20px; border-top: 1px solid var(--line-2); display: flex; justify-content: flex-end; gap: 8px; background: #fbfcfe; border-radius: 0 0 12px 12px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-item label { display: block; font-size: 11.5px; color: var(--ink-3); margin-bottom: 5px; }
.form-item label .req { color: var(--red); margin-left: 2px; }
.form-item input, .form-item select, .form-item textarea { width: 100%; }
.form-item .help { font-size: 11px; color: var(--muted); margin-top: 4px; }
.seg { display: flex; gap: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg button {
  flex: 1; height: 30px; border: none; background: #fff; cursor: pointer;
  font-size: 12.5px; color: var(--ink-2); border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: none; }
.seg button.on { background: #eef4ff; color: var(--brand); font-weight: 600; }

.preview {
  margin-top: 14px; padding: 13px 15px; border-radius: 8px;
  background: linear-gradient(180deg, #f7faff, #f4f7fd);
  border: 1px solid #e2e9f6;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
.preview .p { }
.preview .p .l { font-size: 10.5px; color: var(--ink-3); }
.preview .p .v { font-size: 15px; font-weight: 620; font-variant-numeric: tabular-nums; margin-top: 2px; }
.preview .p .v.warn { color: var(--amber); }
.preview .p .v.bad { color: var(--red); }
.preview .p .v.good { color: var(--green); }

.alert {
  padding: 9px 12px; border-radius: 7px; font-size: 12px;
  background: #fdf3e3; border: 1px solid #f5e0bd; color: #8a5a09; margin-top: 12px;
}
.alert.err { background: #fdeceb; border-color: #f3cfcb; color: #a5301f; }

/* toast */
#toast-root { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 14px; border-radius: 8px; background: #0f1b2d; color: #e8eef7;
  font-size: 12.5px; box-shadow: 0 10px 30px -8px rgba(0,0,0,.4);
  animation: rise .18s ease-out;
}
.toast.err { background: #8f2b1e; }
.toast.ok { background: #0f5c47; }

/* 台账 / 说明 */
.ledger-note { font-size: 11.5px; color: var(--ink-3); padding: 10px 16px; background: #fbfcfe; border-top: 1px solid var(--line-2); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--line-2); }
.chip {
  height: 27px; padding: 0 10px; display: inline-flex; align-items: center;
  border: 1px solid var(--line); border-radius: 14px; background: #fff;
  font-size: 12px; cursor: pointer; color: var(--ink-2);
}
.chip.on { background: #eef4ff; border-color: #c3d5fb; color: var(--brand); font-weight: 600; }
.chip .n { margin-left: 6px; color: var(--ink-3); font-size: 11px; }

.doc { max-width: 900px; }
.doc h2 { font-size: 15px; margin: 26px 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.doc h2:first-child { margin-top: 0; }
.doc p { color: var(--ink-2); margin: 8px 0; }
.doc ul, .doc ol { color: var(--ink-2); margin: 8px 0; padding-left: 20px; }
.doc li { margin: 4px 0; }
.doc code { background: #f1f4f8; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.doc .kv { display: grid; grid-template-columns: 130px 1fr; gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; margin: 10px 0; }
.doc .kv > div { background: #fff; padding: 9px 12px; font-size: 12.5px; }
.doc .kv > div:nth-child(odd) { background: #fafbfd; color: var(--ink-3); }
.formula { background: #f8fafc; border-left: 3px solid #c3d5fb; padding: 10px 14px; border-radius: 0 6px 6px 0; font-size: 12.5px; color: var(--ink-2); margin: 10px 0; }
.formula b { color: var(--ink); }

/* 打印 */
@media print {
  .sidebar, .topbar .actions, .toolbar, .btn { display: none !important; }
  body { background: #fff; }
  .view { padding: 0; max-width: none; }
  .card { box-shadow: none; border-color: #ddd; break-inside: avoid; }
  .topbar { position: static; border: none; height: auto; padding: 0 0 12px; }
}