:root, [data-theme="dark"] {
  --bg:#0b1220; --panel:#131c2e; --panel-2:#18233a; --line:#22304a;
  --text:#e8eefc; --muted:#8fa0c0; --accent:#38bdf8; --accent-2:#6366f1;
  --good:#34d399; --warn:#fbbf24; --bad:#f87171; --water:#38bdf8;
  --shadow:0 8px 28px #00000055; color-scheme:dark;
}
[data-theme="light"] {
  --bg:#eef3fb; --panel:#ffffff; --panel-2:#f4f7fd; --line:#d9e2f1;
  --text:#0f1b33; --muted:#5a6b8c; --accent:#0284c7; --accent-2:#4f46e5;
  --good:#059669; --warn:#d97706; --bad:#dc2626; --water:#0284c7;
  --shadow:0 8px 28px #1a2d3e18; color-scheme:light;
}
* { box-sizing:border-box; margin:0; padding:0; }
html, body { height:100%; }
body { font-family:'Segoe UI','Noto Sans Thai',Tahoma,sans-serif; background:var(--bg); color:var(--text); }
a { color:inherit; text-decoration:none; }
button, input, select { font:inherit; color:inherit; }

/* ---------- shell ---------- */
.shell { display:grid; grid-template-columns:220px 1fr; grid-template-rows:56px 1fr; height:100vh; }
.top { grid-column:1 / -1; display:flex; align-items:center; gap:10px; padding:0 18px; background:linear-gradient(180deg,#14325f,#0f1e3a); color:#eaf1ff; border-bottom:1px solid var(--line); }
.top .brand { display:flex; align-items:center; gap:10px; font-weight:700; font-size:1rem; }
.top .brand img.logo { height:32px; width:auto; display:block; }
.top .brand .sub { font-size:.82rem; font-weight:600; color:#cfe0ff; padding-left:10px; border-left:1px solid #ffffff33; white-space:nowrap; }
@media (max-width:860px) { .top .brand .sub { display:none; } .top .brand img.logo { height:26px; } }
.top .clock { font-variant-numeric:tabular-nums; font-size:.82rem; color:#cfe0ff; }
.top .btn { background:#ffffff1a; border-color:#ffffff33; color:#eaf1ff; }
.top .pill { background:#ffffff14; }
.sp { flex:1; }
.menu-btn { display:none; background:none; border:0; font-size:1.4rem; cursor:pointer; }
.nav { background:var(--panel); border-right:1px solid var(--line); padding:12px 10px; display:flex; flex-direction:column; gap:4px; overflow-y:auto; }
.nav a { display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:10px; font-size:.9rem; color:var(--muted); }
.nav a:hover { background:var(--panel-2); color:var(--text); }
.nav a.act { background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#fff; font-weight:600; }
.nav .badge-n { margin-left:auto; background:var(--bad); color:#fff; border-radius:999px; font-size:.68rem; padding:1px 7px; font-weight:700; }
.content { overflow:auto; min-width:0; padding:16px 20px 28px; }
.content.flush { padding:0; overflow:hidden; }
@media (max-width:860px) {
  .shell { grid-template-columns:1fr; }
  .menu-btn { display:block; }
  .nav { position:fixed; top:56px; left:0; bottom:0; width:230px; z-index:50; transform:translateX(-100%); transition:.2s; box-shadow:var(--shadow); }
  .nav.open { transform:none; }
  .content { padding:12px; }
}

/* ---------- widgets ---------- */
.pill { display:inline-flex; align-items:center; gap:6px; padding:4px 12px; border-radius:999px; font-size:.74rem; font-weight:700; border:1px solid var(--line); background:var(--panel-2); white-space:nowrap; }
.pill .dot { width:8px; height:8px; border-radius:50%; background:currentColor; }
.pill.good { color:var(--good); border-color:color-mix(in srgb,var(--good) 45%,transparent); }
.pill.good .dot { box-shadow:0 0 8px currentColor; animation:blink 2s infinite; }
.pill.bad { color:var(--bad); border-color:color-mix(in srgb,var(--bad) 45%,transparent); }
.pill.warn { color:var(--warn); border-color:color-mix(in srgb,var(--warn) 45%,transparent); }
@keyframes blink { 50% { opacity:.35; } }
.btn { display:inline-flex; align-items:center; gap:6px; background:var(--panel-2); border:1px solid var(--line); border-radius:9px; padding:7px 13px; font-size:.82rem; cursor:pointer; }
.btn:hover { border-color:var(--accent); }
.btn.primary { background:linear-gradient(135deg,var(--accent),var(--accent-2)); border:0; color:#fff; font-weight:600; }
.btn.danger { color:var(--bad); }
.btn:disabled { opacity:.5; cursor:not-allowed; }
.card { background:var(--panel); border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow); padding:16px; }
.muted { color:var(--muted); font-size:.8rem; }
h1.pg { font-size:1.15rem; margin-bottom:14px; }
h2 { font-size:.95rem; margin-bottom:10px; }
.grid { display:grid; gap:12px; }
.kpis { grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); margin-bottom:14px; }
.kpi .lab { font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }
.kpi .val { font-size:2rem; font-weight:800; margin-top:4px; }
.kpi .val small { font-size:.8rem; color:var(--muted); font-weight:600; }
table { width:100%; border-collapse:collapse; font-size:.85rem; }
th, td { text-align:left; padding:8px 10px; border-bottom:1px solid var(--line); }
th { color:var(--muted); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; font-weight:600; }
.tbl-wrap { overflow-x:auto; }
input[type=text], input[type=password], input[type=number], input[type=email], select {
  background:var(--panel-2); border:1px solid var(--line); border-radius:9px; padding:8px 10px; width:100%; }
input:focus, select:focus { outline:2px solid color-mix(in srgb,var(--accent) 50%,transparent); }
label.f { display:block; font-size:.76rem; color:var(--muted); margin-bottom:4px; }
.form-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:12px; }
.row { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.tabs { display:flex; gap:6px; margin-bottom:14px; flex-wrap:wrap; }
.tabs button { background:var(--panel-2); border:1px solid var(--line); border-radius:9px; padding:8px 14px; cursor:pointer; color:var(--muted); font-size:.85rem; }
.tabs button.act { background:linear-gradient(135deg,var(--accent),var(--accent-2)); border:0; color:#fff; font-weight:600; }
.tag { display:inline-block; padding:2px 9px; border-radius:999px; font-size:.7rem; font-weight:700; background:var(--panel-2); border:1px solid var(--line); }
.tag.bad { color:var(--bad); } .tag.warn { color:var(--warn); } .tag.good { color:var(--good); }
.toast { position:fixed; right:18px; bottom:18px; background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:12px 16px; box-shadow:var(--shadow); z-index:200; max-width:340px; font-size:.86rem; }
.toast.err { border-color:var(--bad); } .toast.ok { border-color:var(--good); }