:root {
  --ink: #17211f;
  --muted: #6d7774;
  --line: #e4e8e6;
  --paper: #ffffff;
  --canvas: #f5f7f6;
  --brand: #1f5c4e;
  --brand-dark: #153f36;
  --brand-soft: #e8f1ee;
  --gold: #b5883f;
  --danger: #b5473c;
  --warning: #c98225;
  --shadow: 0 10px 30px rgba(30, 54, 48, .08);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 248px; padding: 28px 18px;
  background: linear-gradient(180deg, #173e35, #102d27); color: #fff;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 0 10px 28px; }
.brand-mark {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px;
  background: linear-gradient(135deg, #d7b36a, #9a7033); font-weight: 800;
}
.brand strong { display: block; font-size: 15px; }
.brand small { opacity: .6; }
.nav-title { margin: 20px 11px 8px; font-size: 11px; opacity: .5; letter-spacing: 1px; }
.nav-item {
  width: 100%; border: 0; color: rgba(255,255,255,.76); background: transparent;
  display: flex; gap: 12px; align-items: center; padding: 11px 13px; border-radius: 10px;
  margin: 3px 0; text-align: left;
}
.nav-item:hover, .nav-item.active { color: #fff; background: rgba(255,255,255,.11); }
.nav-icon { width: 22px; text-align: center; }
.main { grid-column: 2; min-width: 0; }
.topbar {
  height: 72px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 34px; background: rgba(255,255,255,.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 19px; margin: 0; }
.user { display: flex; align-items: center; gap: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: var(--brand-soft); display:grid;place-items:center;font-weight:700;color:var(--brand); }
.content { padding: 30px 34px 60px; max-width: 1500px; margin: auto; }
.hero { display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:24px; }
.hero h2 { font-size: 28px; margin: 0 0 6px; letter-spacing: -.5px; }
.hero p { color: var(--muted); margin: 0; }
.btn {
  border: 1px solid var(--line); border-radius: 9px; padding: 9px 15px; background: #fff;
  color: var(--ink); font-weight: 600; display:inline-flex;align-items:center;gap:7px;
}
.btn:hover { border-color: #b8c4c0; }
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn.primary:hover { background: var(--brand-dark); }
.btn.soft { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.btn.danger { color: var(--danger); }
.stats { display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px; }
.stat { background:var(--paper);padding:20px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow); }
.stat-label { color:var(--muted);font-size:13px;display:flex;justify-content:space-between; }
.stat-value { font-size:31px;font-weight:750;margin:12px 0 4px; }
.stat-note { color:var(--muted);font-size:12px; }
.grid-2 { display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.8fr);gap:20px; }
.panel { background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden; }
.panel-head { padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between; }
.panel-head h3 { margin:0;font-size:16px; }
.panel-body { padding:18px 20px; }
.project-row { padding:16px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(180px,1.5fr) 110px 130px 90px;gap:14px;align-items:center; }
.project-row:last-child { border-bottom:0; }
.project-name { font-weight:700;display:block;margin-bottom:5px; }
.sub { color:var(--muted);font-size:12px; }
.tag { display:inline-flex;padding:4px 8px;border-radius:20px;font-size:11px;font-weight:700;background:#edf1ef;color:#53615d; }
.tag.green { background:#e5f3ec;color:#267357; }
.tag.orange { background:#fff0da;color:#9a5d14; }
.tag.red { background:#fbe8e5;color:#a13d33; }
.progress { height:7px;border-radius:20px;background:#e8ecea;overflow:hidden;margin-top:7px; }
.progress i { display:block;height:100%;background:linear-gradient(90deg,var(--brand),#4e8d7b);border-radius:inherit; }
.task { padding:13px 0;border-bottom:1px solid var(--line); }
.task:last-child { border-bottom:0; }
.task-top { display:flex;justify-content:space-between;gap:10px; }
.task-title { font-weight:650;font-size:14px; }
.due { font-size:11px;color:var(--muted);white-space:nowrap; }
.due.overdue { color:var(--danger);font-weight:700; }
.empty { padding:42px 16px;text-align:center;color:var(--muted); }
.toolbar { display:flex;justify-content:space-between;gap:15px;margin-bottom:16px; }
.search { min-width:280px;max-width:460px;flex:1;border:1px solid var(--line);border-radius:9px;padding:10px 13px;background:#fff; }
.table { width:100%;border-collapse:collapse; }
.table th { text-align:left;color:var(--muted);font-size:12px;padding:12px 14px;background:#fafbfa;border-bottom:1px solid var(--line); }
.table td { padding:14px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle; }
.table tr:hover td { background:#fbfcfb; }
.modal-wrap { position:fixed;inset:0;background:rgba(13,29,25,.44);display:grid;place-items:center;z-index:100;padding:20px; }
.modal { width:min(760px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.2); }
.modal-head { padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center; }
.modal-head h3 { margin:0; }
.modal-body { padding:22px 24px; }
.modal-foot { padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px; }
.form-grid { display:grid;grid-template-columns:1fr 1fr;gap:16px; }
.field { display:flex;flex-direction:column;gap:7px; }
.field.full { grid-column:1/-1; }
.field label { font-size:12px;font-weight:700;color:#47524f; }
.field input,.field select,.field textarea { border:1px solid #d7ddda;border-radius:9px;padding:10px 11px;background:#fff;outline:none; }
.field textarea { min-height:90px;resize:vertical; }
.field input:focus,.field select:focus,.field textarea:focus { border-color:#6c9b8e;box-shadow:0 0 0 3px rgba(31,92,78,.08); }
.ai-zone { border:1px dashed #9bb8af;background:#f4f9f7;border-radius:13px;padding:20px; }
.upload { border:1px dashed #b9c8c3;border-radius:10px;padding:24px;text-align:center;background:#fff; }
.ai-suggestion { border:1px solid #dce7e3;border-radius:11px;padding:14px;margin-top:12px;background:#fbfdfc; }
.ai-suggestion p { color:#7f8986;margin:8px 0; }
.suggest-actions { display:flex;gap:8px;margin-top:10px; }
.suggest-label { color:var(--brand);font-size:11px;font-weight:800;letter-spacing:.4px; }
.login { min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 80% 15%,#dfece7,transparent 33%),#f4f7f5; }
.login-card { width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow);text-align:center; }
.login-card .brand-mark { margin:0 auto 18px;color:#fff; }
.login-card h1 { font-size:24px;margin:0 0 8px; }
.login-card p { color:var(--muted);margin:0 0 25px;line-height:1.7; }
.toast { position:fixed;right:24px;bottom:24px;padding:13px 18px;border-radius:10px;background:#173e35;color:#fff;z-index:200;box-shadow:var(--shadow); }
.detail-head { background:linear-gradient(135deg,#163f35,#285f51);color:#fff;border-radius:15px;padding:24px;margin-bottom:20px; }
.detail-head h2 { margin:6px 0 12px; }
.detail-meta { display:flex;gap:22px;flex-wrap:wrap;color:rgba(255,255,255,.75);font-size:13px; }
.tabs { display:flex;gap:5px;border-bottom:1px solid var(--line);margin-bottom:18px; }
.tab { padding:10px 14px;border:0;background:transparent;color:var(--muted);font-weight:650; }
.tab.active { color:var(--brand);border-bottom:2px solid var(--brand); }
@media (max-width: 980px) {
  .shell { grid-template-columns:78px 1fr; }
  .sidebar { width:78px;padding:25px 10px; }
  .brand div:last-child,.nav-item span:last-child,.nav-title { display:none; }
  .brand { padding:0 9px 25px; }.nav-item{justify-content:center}.main{grid-column:2}
  .stats{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}
}
@media (max-width: 640px) {
  .shell{display:block}.sidebar{display:none}.main{display:block}.topbar{padding:0 18px}.content{padding:22px 16px}
  .stats{grid-template-columns:1fr 1fr;gap:10px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
  .project-row{grid-template-columns:1fr 90px}.project-row>:nth-child(3){display:none}.hero{align-items:flex-start;flex-direction:column}
}