/* HESP Hub base styles. Design tokens mirror the approved design (light
   default). IBM Plex will be self-hosted in the full UI build; a system stack
   is used here so the app has zero external dependencies and a strict CSP. */
:root {
  --bg: oklch(0.965 0.005 255);        --surface: oklch(0.995 0.002 255);
  --surface-2: oklch(0.955 0.006 255); --surface-3: oklch(0.92 0.009 255);
  --border: oklch(0.88 0.008 255);     --border-strong: oklch(0.78 0.012 255);
  --text: oklch(0.26 0.02 255);        --text-dim: oklch(0.46 0.02 255);
  --text-faint: oklch(0.6 0.016 255);
  --green: oklch(0.56 0.15 155);       --green-bg: oklch(0.94 0.05 155);
  --green-border: oklch(0.8 0.1 155);
  --amber: oklch(0.56 0.13 65);        --amber-bg: oklch(0.95 0.06 75);
  --amber-border: oklch(0.82 0.1 75);
  --red: oklch(0.53 0.19 25);          --red-bg: oklch(0.95 0.04 25);
  --red-border: oklch(0.83 0.1 25);
  --blue: oklch(0.52 0.14 250);
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font); background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: var(--mono); }

/* Centered auth card */
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%; max-width: 380px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px; padding: 28px;
  box-shadow: 0 1px 2px rgba(20,30,50,.06), 0 8px 28px rgba(20,30,50,.08);
}
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.brand .mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--green-bg);
  color: var(--green); display: grid; place-items: center; font-weight: 700;
}
.brand h1 { font-size: 16px; margin: 0; }
.brand p { font-size: 11px; margin: 0; color: var(--text-faint); }

label { display: block; font-size: 12px; color: var(--text-dim); margin: 14px 0 5px; }
input[type=text], input[type=password] {
  width: 100%; padding: 10px 12px; font-size: 14px; font-family: var(--font);
  border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--surface); color: var(--text);
}
input.code {
  font-family: var(--mono); letter-spacing: 6px; text-align: center;
  font-size: 22px;
}
input:focus, select:focus { outline: 2px solid var(--green); outline-offset: 1px; }
/* The big green button is scoped to the auth cards; dashboard buttons use .btn */
.auth-card button {
  width: 100%; margin-top: 20px; padding: 11px; font-size: 14px; font-weight: 600;
  border: none; border-radius: 8px; background: var(--green); color: #fff;
  cursor: pointer;
}
.auth-card button:hover { filter: brightness(1.05); }
select { padding: 9px 10px; font-size: 13px; font-family: var(--font);
  border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--surface); color: var(--text); width: 100%; }
.hint { font-size: 12px; color: var(--text-faint); margin-top: 14px; line-height: 1.5; }
.error {
  background: var(--red-bg); color: var(--red); border: 1px solid var(--red);
  border-radius: 8px; padding: 9px 12px; font-size: 13px; margin-top: 4px;
}
.qr { display: grid; place-items: center; margin: 8px 0 4px; }
.qr svg { width: 200px; height: 200px; border-radius: 8px; }
.secret {
  font-family: var(--mono); font-size: 13px; text-align: center;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px; margin-top: 8px; word-spacing: 2px;
}

/* ---------- Dashboard shell ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 236px; flex-shrink: 0; background: var(--surface);
  border-right: 1px solid var(--border); display: flex; flex-direction: column;
  padding: 18px 14px;
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 6px; }
.side-brand .mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--green-bg);
  color: var(--green); display: grid; place-items: center; font-weight: 700;
}
.side-brand h1 { font-size: 15px; margin: 0; }
.side-brand p { font-size: 10.5px; margin: 0; color: var(--text-faint); }
.nav { margin-top: 22px; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 11px;
  border-radius: 8px; font-size: 13.5px; color: var(--text-dim);
  text-decoration: none;
}
.nav a.active { background: var(--surface-3); color: var(--text); font-weight: 600; }
.side-foot { margin-top: auto; display: flex; align-items: center; gap: 9px;
  padding: 8px 6px; border-top: 1px solid var(--border); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--surface-3);
  display: grid; place-items: center; font-size: 12px; font-weight: 600; color: var(--text-dim); }
.side-foot .who b { font-size: 12.5px; display: block; }
.side-foot .who span { font-size: 10.5px; color: var(--text-faint); }

.main { flex: 1; min-width: 0; }
.banner {
  display: flex; align-items: center; gap: 12px; padding: 12px 30px;
  font-size: 13px; border-bottom: 1px solid var(--border);
}
.banner .dot { width: 9px; height: 9px; border-radius: 50%; }
.banner .counts { color: var(--text-dim); }
.banner .sync { margin-left: auto; font-size: 11.5px; color: var(--text-faint); }
.banner.healthy { background: var(--green-bg); }
.banner.healthy .dot { background: var(--green); }
.banner.warn { background: var(--amber-bg); }
.banner.warn .dot { background: var(--amber); }
.banner.attention { background: var(--red-bg); }
.banner.attention .dot { background: var(--red); }

.content { padding: 26px 30px; }
.page-head { display: flex; align-items: center; margin-bottom: 18px; }
.page-head h2 { font-size: 22px; margin: 0; }
.page-head .sub { font-size: 12.5px; color: var(--text-faint); margin-top: 3px; }
.page-head .actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.filter { padding: 8px 11px; font-size: 13px; border: 1px solid var(--border-strong);
  border-radius: 8px; background: var(--surface); min-width: 200px; }
.btn { padding: 8px 13px; font-size: 13px; font-weight: 600; border-radius: 8px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  cursor: pointer; text-decoration: none; display: inline-block; }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn.small { padding: 6px 11px; font-size: 12px; }

/* ---------- Fleet table ---------- */
.table-card { background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; }
.thead, .drow {
  display: grid; align-items: center;
  grid-template-columns: 110px 1.5fr 1.4fr 120px 175px;
  gap: 14px; padding: 12px 18px;
}
/* Let text cells shrink so long URLs ellipsis-truncate instead of pushing the
   action column off the edge of the card. */
.thead > div, .drow > div { min-width: 0; }
.thead { font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-faint); border-bottom: 1px solid var(--border); }
.drow { border-top: 1px solid var(--border); }
.drow:first-of-type { border-top: none; }

.status-pill { display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px;
  border-radius: 20px; font-size: 11.5px; font-weight: 600; text-transform: capitalize; }
.status-pill .sd { width: 8px; height: 8px; border-radius: 50%; }
.st-online { background: var(--green-bg); border: 1px solid var(--green-border); color: var(--green); }
.st-online .sd { background: var(--green); }
.st-offline { background: var(--red-bg); border: 1px solid var(--red-border); color: var(--red); }
.st-offline .sd { background: var(--red); }
.st-unresponsive { background: var(--amber-bg); border: 1px solid var(--amber-border); color: var(--amber); }
.st-unresponsive .sd { background: var(--amber); }

.dev { display: flex; align-items: center; gap: 11px; }
.thumb { width: 44px; height: 28px; border-radius: 4px; flex-shrink: 0;
  background: repeating-linear-gradient(135deg, var(--surface-3) 0 6px, var(--surface-2) 6px 12px);
  border: 1px solid var(--border); }
.dev .name { font-weight: 700; font-size: 13.5px; }
.dev .loc { font-size: 11.5px; color: var(--text-faint); }
.badge { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  padding: 2px 6px; border-radius: 5px; margin-left: 7px; vertical-align: middle; }
.badge.protected { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber-border); }
.badge.pending { background: var(--surface-3); color: var(--text-dim); }
.showing .url { font-size: 11.5px; color: var(--text-dim); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.showing .meta { font-size: 11.5px; color: var(--text-faint); margin-top: 2px; }
.chg { color: var(--amber); font-weight: 700; }
.seen { font-size: 12.5px; }
.seen .ver { font-size: 10.5px; color: var(--text-faint); }
.rowact { display: flex; gap: 7px; justify-content: flex-end; }
.empty { padding: 46px; text-align: center; color: var(--text-faint); }

/* CSP-safe utility classes (inline style attributes are blocked by our CSP) */
.hint-top { margin-top: 0; }
.signout { margin-left: auto; width: auto; }
.signout button { width: auto; margin-top: 0; padding: 6px 10px; font-size: 11.5px;
  background: var(--surface); color: var(--text-dim); border: 1px solid var(--border-strong); }

/* ---------- Device detail ---------- */
.back { display: inline-block; font-size: 12.5px; color: var(--text-dim);
  text-decoration: none; margin-bottom: 12px; }
.dev-head { display: flex; align-items: center; gap: 12px; }
.dev-head h2 { font-size: 23px; margin: 0; }
.dev-sub { font-size: 12.5px; color: var(--text-faint); margin: 4px 0 18px; }
.dev-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; align-items: start; }
.col { display: flex; flex-direction: column; gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.card-h { display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.muted { color: var(--text-faint); font-size: 11.5px; }
.shot { aspect-ratio: 16/9; margin: 14px; border-radius: 8px; overflow: hidden;
  background: repeating-linear-gradient(135deg, var(--surface-3) 0 10px, var(--surface-2) 10px 20px);
  display: grid; place-items: center; }
.shot img { width: 100%; height: 100%; object-fit: cover; }
.shot-empty { color: var(--text-faint); }

.cfg-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px;
  font-weight: 600; padding: 3px 9px; border-radius: 20px; }
.cfg-badge.ok { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-border); }
.cfg-badge.pending { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber-border); }
.cfg-badge.pending .sd { width: 7px; height: 7px; border-radius: 50%; background: var(--amber);
  animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.cfg-url { padding: 14px 16px 4px; }
.cfg-url label, .cfg-row label { display: block; font-size: 11.5px; color: var(--text-dim); margin-bottom: 5px; }
.url-val { font-size: 12.5px; padding: 9px 11px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 8px; word-break: break-all; }
.cfg-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 8px 16px 0; }
.cfg-row input { width: 100%; padding: 8px 10px; font-size: 13px; border: 1px solid var(--border-strong);
  border-radius: 8px; background: var(--surface); color: var(--text); font-family: var(--mono); }
.apply { margin: 14px 16px 16px; }
.hw { padding: 6px 16px 12px; }
.hw div { display: flex; justify-content: space-between; padding: 8px 0; border-top: 1px solid var(--border); font-size: 13px; }
.hw div:first-child { border-top: none; }
.hw span { color: var(--text-dim); }

/* command panel */
.cmd-panel { padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; }
.cmd-btn { width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 11px 13px; border-radius: 8px; border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer; }
.cmd-btn:hover { background: var(--surface-2); }
.cmd-btn em { font-style: normal; font-weight: 400; font-size: 11px; color: var(--text-faint); }
.cmd-btn.danger { border-color: var(--red-border); color: var(--red); }
.cmd-btn.danger:hover { background: var(--red-bg); }

/* command lifecycle tracker */
.cmd-row { padding: 12px 16px; border-top: 1px solid var(--border); }
.cmd-row-h { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 9px; }
.track { display: flex; align-items: center; gap: 0; }
.track .step { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0;
  background: var(--surface-3); border: 1px solid var(--border-strong); }
.track .step.done { background: var(--green); border-color: var(--green); }
.track .step.active { background: var(--amber); border-color: var(--amber); animation: pulse 1.4s ease-in-out infinite; }
.track .step.error { background: var(--red); border-color: var(--red); }
.track .bar { flex: 1; height: 2px; background: var(--border); max-width: 34px; }
.track-label { margin-left: 10px; font-size: 11.5px; color: var(--text-dim); }
.track-label.err { color: var(--red); font-weight: 600; }
.cmd-empty { padding: 16px; }

/* protected-device confirm */
.confirm-card { max-width: 440px; margin: 40px auto; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px; padding: 26px; text-align: center; }
.warn-chip { width: 44px; height: 44px; border-radius: 11px; background: var(--amber-bg);
  color: var(--amber); font-weight: 800; font-size: 22px; display: grid; place-items: center; margin: 0 auto 14px; }
.confirm-card h2 { margin: 0 0 8px; font-size: 19px; }
.confirm-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.5; }
.confirm-actions { display: flex; gap: 10px; justify-content: center; margin-top: 20px; }
.warn-btn { background: var(--amber); border-color: var(--amber); color: #fff; }
@media (max-width: 900px) { .dev-grid { grid-template-columns: 1fr; } .cfg-row { grid-template-columns: 1fr 1fr; } }

/* URL change confirmation */
.url-edit { display: flex; gap: 8px; }
.url-input { flex: 1; padding: 9px 11px; font-size: 12.5px; border: 1px solid var(--border-strong);
  border-radius: 8px; background: var(--surface); color: var(--text); }
.ok-chip { background: var(--green-bg); color: var(--green); }
.link-box { font-size: 11.5px; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px; word-break: break-all; margin: 8px 0; }
.ok-msg { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-border);
  border-radius: 8px; padding: 10px 12px; font-size: 13.5px; }

/* ---------- Register device / shared ---------- */
.sub2 { font-size: 12.5px; color: var(--text-faint); margin: 4px 0 18px; }
.reg-card { max-width: 560px; padding: 18px; }
.reg-in { width: 100%; padding: 9px 11px; font-size: 13.5px; border: 1px solid var(--border-strong);
  border-radius: 8px; background: var(--surface); color: var(--text); }
.reg-btn { margin-top: 16px; width: auto; }
.prov { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; font-size: 12.5px; margin: 10px 0; white-space: pre; overflow-x: auto; }

/* ---------- Command activity ---------- */
.stat-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.stat .num { font-family: var(--mono); font-size: 28px; font-weight: 700; }
.stat .num.green { color: var(--green); } .stat .num.amber { color: var(--amber); } .stat .num.red { color: var(--red); }
.stat .lbl { font-size: 11.5px; color: var(--text-faint); margin-top: 4px; }
.act-row { grid-template-columns: 1.2fr 1.4fr 1.4fr 100px; }
.track.compact .bar { max-width: 22px; }

/* ---------- Settings ---------- */
.settings-wrap { max-width: 720px; }
.set-card { margin-bottom: 16px; }
.set-body { padding: 14px 16px 16px; }
.kv { display: flex; justify-content: space-between; padding: 8px 0; border-top: 1px solid var(--border); font-size: 13px; }
.kv:first-child { border-top: none; }
.kv span { color: var(--text-dim); }
.ok-text { color: var(--green); }
.set-form { margin-top: 14px; }
.set-form label { display: block; font-size: 11.5px; color: var(--text-dim); margin: 10px 0 5px; }
.set-msg { margin-bottom: 14px; }
.op-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--border); }
.op-row:first-child { border-top: none; }
.avatar.sm { width: 26px; height: 26px; font-size: 11px; }
.op-who { flex: 1; } .op-who b { font-size: 13px; display: block; } .op-who span { font-size: 11px; color: var(--text-faint); }
.role-pill { font-size: 10.5px; background: var(--surface-3); color: var(--text-dim); padding: 3px 9px; border-radius: 20px; }
.op-add { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 6px; }
.op-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
@media (max-width: 760px) { .stat-row { grid-template-columns: 1fr 1fr; } .op-grid { grid-template-columns: 1fr; } }

/* danger-zone remove button */
.danger-btn { border-color: var(--red-border); color: var(--red); background: var(--surface); }
.danger-btn:hover { background: var(--red-bg); }