/* SimovaTrack MQTT History — dashboard styles.
   Design tokens defined once on :root (light), overridden under prefers-color-scheme:
   dark. This is a LAN-only admin tool with no explicit theme toggle, so it just follows
   the OS setting. */

:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #eef0f3;
  --border: #dde1e6;
  --text: #1a1d21;
  --text-dim: #5b6270;
  --text-faint: #8991a0;
  --accent: #2563eb;
  --accent-dim: #dbe6fd;

  --ok: #1a9e6a;
  --ok-bg: #e3f7ee;
  --warn: #b8860b;
  --warn-bg: #fdf3d9;
  --err: #d1372f;
  --err-bg: #fbe4e2;
  --off: #8991a0;
  --off-bg: #eceef1;

  --mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1e222a;
    --border: #2a2f39;
    --text: #e8eaed;
    --text-dim: #a3aab8;
    --text-faint: #6b7280;
    --accent: #5b8def;
    --accent-dim: #1c2b4d;

    --ok: #35c98c;
    --ok-bg: #0f2c22;
    --warn: #e0b53d;
    --warn-bg: #332a0d;
    --err: #f0685f;
    --err-bg: #3a1614;
    --off: #6b7280;
    --off-bg: #22262f;

    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
}
.hidden { display: none !important; }
a { color: inherit; text-decoration: none; }
code { font-family: var(--mono); }

/* ---------------------------------------------------------------- token gate */
.gate {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.gate-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.gate-card h1 { font-size: 17px; margin: 0; }
.gate-card p { margin: 0; color: var(--text-dim); font-size: 12.5px; }
.gate-card input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
}
.gate-card button {
  padding: 10px 12px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.gate-error { color: var(--err); font-size: 12.5px; }

/* ---------------------------------------------------------------- shell */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { font-weight: 700; font-size: 15px; white-space: nowrap; }
.brand span { font-weight: 400; color: var(--text-dim); }
.stats-strip {
  flex: 1;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 12px;
  font-family: var(--mono);
}
.stats-strip b { color: var(--text); font-weight: 600; }
.ghost-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.ghost-btn:hover { color: var(--text); border-color: var(--text-faint); }

.topbar-right { display: flex; align-items: center; gap: 10px; }

.poll-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}
.poll-control select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  font-family: inherit;
}
.poll-last {
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 11px;
  min-width: 3.5em;
}

main#view { padding: 20px; max-width: 1200px; margin: 0 auto; }

/* ---------------------------------------------------------------- filter bar */
.filter-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-bar input[type="search"] {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
}
.seg {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.seg button {
  background: var(--surface);
  border: none;
  color: var(--text-dim);
  padding: 8px 12px;
  font-size: 12.5px;
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.seg button:last-child { border-right: none; }
.seg button.active { background: var(--accent); color: #fff; }

/* ---------------------------------------------------------------- fleet table */
.fleet-table { width: 100%; border-collapse: collapse; }
.fleet-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-faint);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.fleet-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.fleet-table tbody tr {
  cursor: pointer;
  transition: background .1s;
}
.fleet-table tbody tr:hover { background: var(--surface-2); }
.device-name { font-weight: 600; }
.device-mac { font-family: var(--mono); color: var(--text-dim); font-size: 12px; }
.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
}

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }
.dot-on { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }
.dot-off { background: var(--off); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 10.5px;
  font-weight: 600;
  font-family: var(--mono);
  white-space: nowrap;
  /* Default = red. Anything that isn't explicitly "healthy" or "unavailable" reads as
     a problem, including a state string this UI doesn't recognize yet — silently
     falling back to unstyled text would hide a real fault. */
  color: var(--err);
  background: var(--err-bg);
}
/* Health-status -> palette-color mapping is configurable (Settings page); these are
   the 4 fixed palette slots it maps into, not one class per status literal anymore. */
.chip-ok { color: var(--ok); background: var(--ok-bg); }
.chip-warn { color: var(--warn); background: var(--warn-bg); }
.chip-err { color: var(--err); background: var(--err-bg); }
.chip-off { color: var(--off); background: var(--off-bg); }
.chip-row { display: flex; gap: 4px; flex-wrap: wrap; }

.icon-row { display: flex; gap: 8px; font-size: 12px; color: var(--text-faint); }
.icon-on { color: var(--accent); font-weight: 600; }

/* ---------------------------------------------------------------- detail page */
.back-link { color: var(--text-dim); font-size: 12.5px; margin-bottom: 10px; display: inline-block; }
.detail-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.detail-header h1 { font-size: 20px; margin: 0; }
.detail-header .device-mac { font-size: 13px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 18px;
  overflow-x: auto;
}
.panel h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-faint);
  margin: 0 0 12px 0;
}

.kv-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.kv-group h3 { font-size: 11px; color: var(--text-dim); margin: 0 0 6px 0; text-transform: uppercase; }
.kv-group table { width: 100%; font-size: 12.5px; border-collapse: collapse; }
.kv-group td { padding: 2px 0; }
.kv-group td:first-child { color: var(--text-dim); width: 60%; }
.kv-group td:last-child { font-family: var(--mono); text-align: right; }

.maps-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.maps-btn:hover { background: var(--accent); color: #fff; }

.chart-picker { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chart-picker button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  cursor: pointer;
  font-family: var(--mono);
}
.chart-picker button.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }
.chart-wrap { min-width: 480px; }
.chart-empty { color: var(--text-faint); font-size: 12.5px; padding: 30px 0; text-align: center; }

.log-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.log-table th { text-align: left; color: var(--text-faint); font-size: 10.5px; text-transform: uppercase; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.log-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.log-table tr.log-row { cursor: pointer; }
.log-table tr.log-row:hover { background: var(--surface-2); }
.log-payload {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--surface-2);
  border-radius: 6px;
  padding: 8px;
}
.kind-tag { font-family: var(--mono); font-size: 10.5px; padding: 1px 6px; border-radius: 4px; background: var(--surface-2); color: var(--text-dim); }

.cmd-hint { color: var(--text-dim); font-size: 12.5px; margin: 0 0 12px 0; }
.cmd-bar { display: flex; gap: 8px; margin-bottom: 12px; }
.cmd-bar input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 12.5px;
}
.cmd-bar input:focus { outline: none; border-color: var(--accent); }
.cmd-bar button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
}
.cmd-bar button:disabled { opacity: .5; cursor: default; }

.cmd-log { display: flex; flex-direction: column; gap: 10px; max-height: 360px; overflow-y: auto; }
.cmd-entry { border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; background: var(--surface-2); }
.cmd-entry-req { font-family: var(--mono); font-size: 12.5px; margin-bottom: 4px; }
.cmd-entry-ts { color: var(--text-faint); font-size: 11px; }
.cmd-entry-lines { font-family: var(--mono); font-size: 12px; }
.cmd-line { white-space: pre-wrap; word-break: break-word; padding: 1px 0; }
.cmd-pending, .cmd-empty { color: var(--text-faint); }
.cmd-error { color: var(--err); }
.cmd-timeout { color: var(--warn); font-size: 11.5px; margin-top: 2px; }

/* ---------------------------------------------------------------- settings page */
.settings-table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-bottom: 10px; }
.settings-table td, .settings-table th { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.settings-table th { text-align: left; color: var(--text-faint); font-size: 10.5px; text-transform: uppercase; }
.settings-table select, .settings-table input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  font-family: inherit;
}
.settings-table input.th-field { width: 100%; min-width: 220px; font-family: var(--mono); }
.settings-table input.th-value { width: 90px; }
.th-remove { color: var(--text-faint); border-color: var(--border); }
.th-remove:hover { color: var(--err); border-color: var(--err); }
#settings-save-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  margin-right: 8px;
}
#settings-saved-msg { color: var(--ok); margin-left: 4px; }

.load-more { text-align: center; margin-top: 10px; }
.load-more button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}