:root {
  --bg:#F6F7FA; --panel:#FFFFFF; --panel-alt:#EFF1F5; --border:#DFE3EA;
  --text:#1B1F27; --text-dim:#6B7280;
  --gold:#B5842C; --teal:#2C8477; --blue:#4457A6; --plum:#7A5390; --brick:#B23F32;
}
* { box-sizing:border-box; }
body { margin:0; font-family:-apple-system,"Segoe UI",Roboto,sans-serif; background:var(--bg); color:var(--text); }
.hidden { display:none !important; }

.login-screen { height:100vh; display:flex; align-items:center; justify-content:center; background:var(--bg); }
.login-card { background:var(--panel); border:1px solid var(--border); border-radius:14px; padding:32px; width:320px; box-shadow:0 2px 8px rgba(16,24,40,0.06); }
.login-badge { width:36px; height:36px; border-radius:10px; background:var(--gold); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; margin-bottom:16px; }
.login-title { font-size:18px; font-weight:700; margin-bottom:4px; }
.login-sub { font-size:13px; color:var(--text-dim); margin-bottom:18px; }
.login-card input { width:100%; padding:10px 12px; border:1px solid var(--border); border-radius:8px; font-size:14px; margin-bottom:12px; background:var(--panel); color:var(--text); }
.login-card button { width:100%; padding:10px 12px; border:none; border-radius:8px; background:var(--gold); color:#fff; font-weight:600; font-size:14px; cursor:pointer; }
.login-card button:hover { opacity:0.9; }
.login-error { color:var(--brick); font-size:13px; margin-top:10px; min-height:16px; }

.app { display:flex; height:100vh; }
.sidebar { width:230px; background:var(--panel); border-right:1px solid var(--border); display:flex; flex-direction:column; padding:16px; flex-shrink:0; }
.brand { display:flex; align-items:center; gap:10px; padding:0 8px; margin-bottom:28px; }
.brand-badge { width:32px; height:32px; border-radius:8px; background:var(--gold); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; flex-shrink:0; }
.brand-title { font-size:15px; font-weight:700; line-height:1.2; letter-spacing:-0.01em; }
.nav-item { display:block; width:100%; text-align:left; padding:10px 12px; margin-bottom:4px; border-radius:8px; border:none; background:transparent; color:var(--text-dim); font-size:14px; cursor:pointer; }
.nav-item:hover { background:rgba(0,0,0,0.03); }
.nav-item.active { background:var(--panel-alt); color:var(--text); font-weight:500; }
.sidebar-bottom { margin-top:auto; }
.btn-ghost { width:100%; padding:8px 12px; border:1px solid var(--border); border-radius:8px; background:var(--panel); color:var(--text); font-size:13px; cursor:pointer; }
.btn-ghost:hover { background:rgba(0,0,0,0.03); }

.main { flex:1; display:flex; flex-direction:column; overflow:hidden; }
.topbar { display:flex; justify-content:space-between; align-items:center; padding:14px 24px; border-bottom:1px solid var(--border); background:var(--panel); flex-shrink:0; }
.topbar-title { font-size:14px; font-weight:500; }
.topbar-date { font-size:12px; color:var(--text-dim); }
.content { flex:1; overflow:auto; padding:24px; position:relative; }
.toast { position:absolute; top:8px; right:24px; background:var(--panel); border:1px solid var(--border); border-radius:8px; padding:8px 16px; font-size:13px; box-shadow:0 2px 8px rgba(16,24,40,0.08); z-index:20; }

.page-head { margin-bottom:24px; }
.page-head-row { display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:12px; margin-bottom:20px; }
.page-title { font-size:20px; font-weight:700; letter-spacing:-0.02em; }
.page-sub { font-size:13px; color:var(--text-dim); margin-top:4px; }

.kpi-row { display:flex; gap:12px; margin-bottom:24px; flex-wrap:wrap; }
.kpi-card { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:16px; flex:1; min-width:160px; box-shadow:0 1px 2px rgba(16,24,40,0.04); }
.kpi-icon { width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; margin-bottom:14px; font-size:15px; }
.kpi-label { font-size:12px; color:var(--text-dim); font-weight:500; margin-left:8px; }
.kpi-value { font-size:24px; font-weight:700; letter-spacing:-0.02em; }
.kpi-sub { font-size:12px; color:var(--text-dim); margin-top:4px; }

.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:900px) { .grid-2 { grid-template-columns:1fr; } }
.panel { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:16px; box-shadow:0 1px 2px rgba(16,24,40,0.04); }
.panel-title { font-size:14px; font-weight:600; margin-bottom:14px; }
.muted { color:var(--text-dim); font-size:13px; }

.table-wrap { border:1px solid var(--border); border-radius:12px; overflow:hidden; box-shadow:0 1px 2px rgba(16,24,40,0.04); }
table { width:100%; border-collapse:collapse; font-size:13px; }
thead tr { background:var(--panel-alt); color:var(--text-dim); }
th { text-align:left; font-weight:500; padding:10px 16px; white-space:nowrap; }
td { padding:10px 16px; border-top:1px solid var(--border); vertical-align:middle; }
tbody tr { background:var(--panel); }
tbody tr.clickable { cursor:pointer; }
tbody tr.clickable:hover { background:rgba(0,0,0,0.02); }
.tag { display:inline-block; padding:2px 8px; border-radius:999px; font-size:11px; font-weight:600; background:#EFF1F5; color:var(--text-dim); }

.btn-primary { background:var(--gold); color:#fff; border:none; border-radius:8px; padding:9px 16px; font-size:13px; font-weight:600; cursor:pointer; }
.btn-primary:hover { opacity:0.9; }
.btn-sm { border:1px solid var(--border); background:var(--panel); color:var(--text); border-radius:6px; padding:5px 9px; font-size:12px; cursor:pointer; }
.btn-sm:hover { background:rgba(0,0,0,0.03); }
.link-code { font-family:ui-monospace,Menlo,monospace; font-size:12px; background:var(--panel-alt); border-radius:6px; padding:3px 7px; word-break:break-all; }

.overlay { position:fixed; inset:0; background:rgba(20,22,26,0.4); display:flex; align-items:center; justify-content:center; z-index:30; }
.modal-card { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:20px; width:100%; max-width:440px; margin:0 16px; max-height:90vh; overflow:auto; }
.field { display:block; margin-bottom:12px; }
.field-label { font-size:12px; color:var(--text-dim); margin-bottom:4px; }
.field input, .field select { width:100%; padding:8px 10px; border:1px solid var(--border); border-radius:8px; font-size:13px; background:var(--panel); color:var(--text); }
.modal-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:16px; }
.btn-text { background:none; border:none; color:var(--text-dim); font-size:13px; padding:8px 12px; cursor:pointer; border-radius:8px; }
.btn-text:hover { background:rgba(0,0,0,0.03); }
.close-x { background:none; border:none; cursor:pointer; color:var(--text-dim); font-size:16px; }
.crumb { font-size:13px; color:var(--text-dim); margin-bottom:8px; cursor:pointer; }
.crumb span { color:var(--text); font-weight:500; }