/* ============ tokens (dataviz reference palette) ============ */
:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --page: #f9f9f7;
  --ink-1: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11,11,11,0.10);
  --good: #006300;
  --bad: #d03b3b;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  --accent: #2a78d6;
  --shadow: 0 1px 3px rgba(11,11,11,0.06), 0 4px 14px rgba(11,11,11,0.04);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --page: #0d0d0d;
  --ink-1: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255,255,255,0.10);
  --good: #0ca30c;
  --bad: #e66767;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --accent: #3987e5;
  --shadow: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink-1);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}
h1, h2, h3 { margin: 0; font-weight: 650; }
button { font: inherit; cursor: pointer; }

/* ============ login ============ */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 36px 32px;
  width: 100%; max-width: 380px;
  display: flex; flex-direction: column;
}
.login-logo, .topbar-logo {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
}
.login-logo { margin-bottom: 18px; }
.login-card h1 { font-size: 22px; }
.login-sub { color: var(--ink-2); margin: 4px 0 22px; }
.login-card label, #pw-form label { font-size: 13px; color: var(--ink-2); margin-bottom: 5px; }
.login-card input, #pw-form input {
  font: inherit; color: var(--ink-1);
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
}
.login-card input:focus, #pw-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.login-card button[type=submit], .primary {
  background: var(--accent); color: #fff;
  border: none; border-radius: 8px;
  padding: 11px; font-weight: 600;
  margin-top: 4px;
}
.login-card button[disabled] { opacity: .6; cursor: wait; }
.login-error { color: var(--bad); font-size: 13.5px; margin: 12px 0 0; }

/* ============ topbar ============ */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 22px;
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-title { display: flex; align-items: center; gap: 12px; }
.topbar-title h1 { font-size: 18px; line-height: 1.2; }
.asof { font-size: 12.5px; color: var(--muted); }
.topbar-controls { display: flex; align-items: center; gap: 10px; }
.rangebar { display: flex; background: var(--surface-1); border: 1px solid var(--border); border-radius: 9px; padding: 2px; }
.rangebar button {
  border: none; background: none; color: var(--ink-2);
  padding: 5px 12px; border-radius: 7px; font-size: 13px; font-weight: 600;
}
.rangebar button.active { background: var(--accent); color: #fff; }
.icon-btn {
  width: 34px; height: 34px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface-1); color: var(--ink-2);
  font-size: 16px;
}
.refresh-btn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 13px; border-radius: 9px;
  border: none; background: var(--accent); color: #fff;
  font-size: 13px; font-weight: 600;
}
.refresh-btn[disabled] { opacity: .7; cursor: wait; }
.refresh-btn .refresh-ico { font-size: 15px; line-height: 1; display: inline-block; }
.refresh-btn.busy .refresh-ico { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 640px) { .refresh-btn .refresh-label { display: none; } .refresh-btn { padding: 0 10px; } }
.menu-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: 40px;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; min-width: 180px; padding: 6px; z-index: 30;
}
.menu button { background: none; border: none; text-align: left; padding: 9px 10px; border-radius: 7px; color: var(--ink-1); }
.menu button:hover { background: var(--page); }

/* ============ layout ============ */
#dash { max-width: 1140px; margin: 0 auto; padding: 20px 22px 60px; display: flex; flex-direction: column; gap: 18px; }
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px 22px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.card-head h2 { font-size: 16px; }
.subhead { font-size: 13.5px; color: var(--ink-2); font-weight: 600; margin-bottom: 8px; }
.muted-note { font-size: 12.5px; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card .grid-2 { gap: 24px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ============ KPIs ============ */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px;
}
.card .kpi { background: var(--page); }
.kpi .k-label { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.k-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.kpi .k-value { font-size: 24px; font-weight: 700; margin-top: 2px; letter-spacing: -0.01em; }
.kpi .k-sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.kpi .up { color: var(--good); }
.kpi .down { color: var(--bad); }

/* ============ charts ============ */
.chart { position: relative; height: 260px; }
.chart.tall { height: 340px; }
.chart.auto-h { height: auto; }
.chart svg { display: block; width: 100%; height: 100%; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); align-items: center; }
.legend .li { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.legend .sw.line { height: 3px; border-radius: 2px; width: 14px; }

.tooltip {
  position: fixed; z-index: 50; pointer-events: none;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 9px; box-shadow: var(--shadow);
  padding: 8px 11px; font-size: 12.5px; max-width: 260px;
}
.tooltip .tt-title { font-weight: 650; margin-bottom: 4px; }
.tooltip .tt-row { display: flex; justify-content: space-between; gap: 14px; }
.tooltip .tt-row .v { font-variant-numeric: tabular-nums; font-weight: 600; }

/* ============ tables ============ */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: right; padding: 8px 10px; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { color: var(--ink-2); font-weight: 600; font-size: 12.5px; border-bottom: 1px solid var(--baseline); }
tbody tr { border-bottom: 1px solid var(--grid); }
tbody tr:last-child { border-bottom: none; }
td.num { font-variant-numeric: tabular-nums; }
td .flag { font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; margin-left: 6px; }
.pos { color: var(--good); } .neg { color: var(--bad); }
tr.total-row td { font-weight: 700; border-top: 1px solid var(--baseline); }

.holding-controls { margin-bottom: 10px; }
.holding-controls select {
  font: inherit; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-1); color: var(--ink-1);
  max-width: 100%;
}

/* ============ modal ============ */
dialog {
  border: 1px solid var(--border); border-radius: 14px;
  background: var(--surface-1); color: var(--ink-1);
  padding: 26px; width: 360px; max-width: 90vw;
}
dialog::backdrop { background: rgba(0,0,0,0.4); }
#pw-form { display: flex; flex-direction: column; }
#pw-form h2 { font-size: 17px; margin-bottom: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }
.modal-actions button { border: 1px solid var(--border); background: var(--page); color: var(--ink-1); border-radius: 8px; padding: 9px 14px; }
.modal-actions .primary { background: var(--accent); color: #fff; border: none; }

.foot { text-align: center; color: var(--muted); font-size: 12px; margin-top: 10px; }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
  #dash { padding: 14px 12px 50px; }
  .card { padding: 16px 14px; }
  .kpi .k-value { font-size: 20px; }
}