:root {
  --paper: #F4F2EB;
  --card: #FFFFFF;
  --sunk: #FAF9F5;
  --ink: #1E2118;
  --ink-soft: #5A5E4E;
  --ink-faint: #8C8F7E;
  --rule: #DFDBCE;
  --rule-strong: #C8C4B4;
  --dark: #1E2118;
  --dark-2: #2B3021;
  --dark-rule: #35392B;
  --on-dark: #E9E6D9;
  --on-dark-soft: #A2A492;
  --accent: #8A5A1E;
  --accent-bright: #D9A25A;
  --ok: #3F6F5E;
  --ok-bg: #E1EDE7;
  --warn: #993A1E;
  --warn-bg: #EFE0D6;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: Archivo, system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}

h1, h2, h3 { margin: 0; font-weight: 600; }
a { color: var(--accent); }

/* ---------- sign in ---------- */
.signin { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.signin-card {
  background: var(--card); border: 1px solid var(--rule); padding: 32px;
  width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 8px;
}
.signin-brand { font-size: 22px; font-weight: 700; }
.signin-sub { font-size: 13px; color: var(--ink-soft); margin-bottom: 16px; }
.signin-card label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); margin-top: 8px; }
.signin-note { font-size: 13px; color: var(--warn); margin: 4px 0 0; min-height: 18px; }

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

.sidebar {
  width: 248px; flex-shrink: 0; background: var(--dark); color: var(--on-dark);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { padding: 24px 20px 18px; border-bottom: 1px solid var(--dark-rule); }
.brand-name { font-size: 19px; font-weight: 700; }
.brand-sub { font-size: 12px; color: var(--on-dark-soft); margin-top: 3px; }
.nav { padding: 14px 12px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; flex-grow: 1; }
.nav a {
  color: var(--on-dark); text-decoration: none; padding: 10px 17px; font-size: 14px;
  border-left: 3px solid transparent;
}
.nav a:hover { background: #262B1D; }
.nav a[aria-current="page"] { background: var(--dark-2); color: #fff; font-weight: 600; border-left-color: var(--accent-bright); padding-left: 14px; }
.nav-group { padding: 14px 17px 6px; font-size: 10px; letter-spacing: .14em; color: #767869; text-transform: uppercase; }
.who { padding: 14px 20px; border-top: 1px solid var(--dark-rule); font-size: 12px; color: var(--on-dark-soft); }
.who strong { color: var(--on-dark); }

.main { flex-grow: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 68px; flex-shrink: 0; background: var(--card); border-bottom: 1px solid var(--rule);
  display: flex; align-items: center; gap: 14px; padding: 0 28px; position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 20px; }
.topbar-tools { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.content { padding: 22px 28px 56px; display: flex; flex-direction: column; gap: 18px; }

/* ---------- pieces ---------- */
.card { background: var(--card); border: 1px solid var(--rule); }
.card-head { padding: 15px 18px; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 12px; }
.card-head h2 { font-size: 15px; }
.card-head .sub { font-size: 12px; color: var(--ink-soft); }
.card-body { padding: 18px; }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.tile { background: var(--card); border: 1px solid var(--rule); padding: 16px 18px; }
.tile .label { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.tile .value { font-family: 'IBM Plex Mono', monospace; font-size: 30px; font-weight: 600; margin-top: 6px; }
.tile .note { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left; font-weight: 500; font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-faint); padding: 10px 14px; background: var(--sunk);
  border-bottom: 1px solid var(--rule); position: sticky; top: 68px;
}
tbody td { padding: 11px 14px; border-bottom: 1px solid #EAE7DD; vertical-align: top; }
tbody tr:hover { background: var(--sunk); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: 'IBM Plex Mono', monospace; }
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }

.pill { padding: 3px 9px; font-size: 12px; display: inline-block; }
.pill-ok { background: var(--ok-bg); color: #2F5648; }
.pill-warn { background: var(--warn-bg); color: #8A3A1E; }
.pill-off { background: #EAE7DD; color: var(--ink-soft); }
.pill-dark { background: var(--dark-2); color: #fff; }

button, .btn { font-family: Archivo, sans-serif; font-size: 14px; cursor: pointer; }
.btn-primary { background: var(--dark); color: #fff; border: none; padding: 11px 18px; font-weight: 600; }
.btn-primary:disabled { background: var(--rule-strong); cursor: default; }
.btn-secondary { background: var(--card); border: 1px solid var(--ink); padding: 10px 16px; font-weight: 600; }
.btn-quiet { background: var(--card); border: 1px solid var(--rule-strong); padding: 7px 12px; font-size: 12px; }
.btn-link { background: none; border: none; color: var(--accent); padding: 4px 0; text-align: left; font-size: 13px; }
.btn-close { background: none; border: none; font-size: 26px; line-height: 1; color: var(--ink-soft); padding: 0 4px; }

input, select, textarea {
  font-family: Archivo, sans-serif; font-size: 14px; padding: 9px 11px;
  border: 1px solid var(--rule-strong); background: var(--card); color: var(--ink); max-width: 100%;
}
input[type="checkbox"] { width: 17px; height: 17px; padding: 0; }
textarea { min-height: 70px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 5px; }
label.field > span { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
label.check { display: flex; align-items: center; gap: 9px; font-size: 14px; }
.hint { font-size: 12px; color: var(--ink-faint); }

.bar { height: 10px; background: #EAE7DD; display: block; }
.bar > span { display: block; height: 10px; background: var(--accent); }
.chart { display: flex; align-items: flex-end; gap: 6px; height: 190px; }
.chart .col { flex-grow: 1; background: #C8D3C2; min-height: 2px; }
.chart .col.peak { background: var(--ok); }

.scrollbox { max-height: 420px; overflow: auto; position: relative; }
.scrollbox thead th { top: 0; }
.find-grid { display: grid; gap: 16px; grid-template-columns: minmax(380px, 460px) minmax(420px, 1fr); align-items: start; }
@media (max-width: 1100px) { .find-grid { grid-template-columns: 1fr; } }

.empty { padding: 40px 18px; text-align: center; color: var(--ink-faint); }
.error { background: var(--warn-bg); border-left: 3px solid var(--warn); padding: 12px 14px; font-size: 13px; }

/* ---------- side panel ---------- */
.panel { border: none; padding: 0; margin: 0 0 0 auto; height: 100vh; max-height: 100vh; width: min(480px, 100vw); }
.panel::backdrop { background: rgba(30, 33, 24, .35); }
.panel-inner { display: flex; flex-direction: column; height: 100%; background: var(--card); }
.panel-head { display: flex; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--rule); }
.panel-head h2 { font-size: 17px; flex-grow: 1; }
.panel-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 14px; overflow-y: auto; flex-grow: 1; }
.panel-foot { padding: 16px 22px; border-top: 1px solid var(--rule); display: flex; gap: 10px; align-items: center; }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--dark); color: #fff; padding: 12px 20px; font-size: 14px; z-index: 50;
}
.toast.bad { background: var(--warn); }

@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  thead th { position: static; }
}