/* TIX Clock web tool — styling mirrors the v1 BLE app for a consistent look.
   Dark, single-column, card-based. MIT licensed (see LICENSE). */

:root {
  --bg: #0e0f13;
  --panel: #181a21;
  --line: #272a34;
  --fg: #e7e9ee;
  --muted: #9aa0ad;
  --accent: #4db8ff;
  --bad: #ff6b6b;
  --good: #5fd08a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  display: flex;
  justify-content: center;
  padding: max(env(safe-area-inset-top), 16px) 16px 48px;
}

main { width: 100%; max-width: 460px; }

h1 { font-size: 1.35rem; margin: 8px 0 2px; }
.sub { color: var(--muted); font-size: 0.85rem; margin-bottom: 20px; }
code { background: #0b0c10; border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; font-size: .85em; }

/* version switch pill (shared look with v1) */
.verpill { display: inline-flex; gap: 2px; padding: 3px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 999px; margin-bottom: 16px; }
.verpill a { text-decoration: none; color: var(--muted); font-size: .85rem;
  font-weight: 600; padding: 5px 14px; border-radius: 999px; }
.verpill a[aria-current="page"] { background: var(--accent); color: #06121c; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 14px;
}

button {
  font: inherit;
  font-weight: 600;
  color: #06121c;
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  cursor: pointer;
  transition: filter .15s, opacity .15s;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .4; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }

.row { display: flex; align-items: center; gap: 12px; }
.row + .row { margin-top: 14px; }
.row.spread { justify-content: space-between; }
.grow { flex: 1; }

.status { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.on { background: var(--good); }
.dot.off { background: var(--bad); }

.clock {
  font-variant-numeric: tabular-nums;
  font-size: 2.6rem; font-weight: 700; letter-spacing: .04em;
  text-align: center; margin: 4px 0 2px;
}
.clock small { font-size: .9rem; color: var(--muted); font-weight: 500; }

label.field { display: block; font-size: .9rem; margin-bottom: 6px; color: var(--muted); }

input[type=range] { width: 100%; accent-color: var(--accent); }

.colors { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.swatch { display: flex; align-items: center; gap: 10px; }
.swatch span { font-size: .85rem; }
input[type=color] {
  width: 42px; height: 32px; padding: 0;
  border: 1px solid var(--line); border-radius: 8px; background: none; cursor: pointer;
}

.check { display: flex; align-items: center; gap: 10px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

input[type=text], input[type=time] {
  font: inherit; color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
}
input[type=text].mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; width: 8ch; text-transform: lowercase; }

.hidden { display: none !important; }

.warn {
  background: #2a1d1d; border: 1px solid #5a2d2d; color: #ffb4b4;
  border-radius: 12px; padding: 14px; font-size: .9rem; margin-bottom: 16px;
}
.err { color: var(--bad); font-size: .85rem; min-height: 1.2em; margin-top: 10px; }
.ok { color: var(--good); }

fieldset { border: 0; padding: 0; margin: 0; }
fieldset:disabled { opacity: .45; }

progress {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 10px; margin-top: 14px;
  border: 0; border-radius: 6px; overflow: hidden; background: var(--line);
}
progress::-webkit-progress-bar { background: var(--line); }
progress::-webkit-progress-value { background: var(--accent); }
progress::-moz-progress-bar { background: var(--accent); }

/* firmware: custom-build drop zone */
details > summary { cursor: pointer; color: var(--muted); font-size: .9rem; }
.drop {
  display: block; text-align: center; padding: 18px;
  border: 1.5px dashed var(--line); border-radius: 12px; color: var(--muted);
  font-size: .9rem; cursor: pointer; transition: border-color .15s, background .15s;
}
.drop.over { border-color: var(--accent); background: #0b1720; }

/* serial monitor + flash log */
.log {
  margin: 0; padding: 12px; background: #0b0c10; border: 1px solid var(--line);
  border-radius: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .8rem; color: var(--muted); max-height: 220px; overflow: auto; white-space: pre-wrap;
}
.hint { color: var(--muted); font-weight: 400; font-size: .8rem; margin-left: .5ch; }
.val { width: 3ch; text-align: right; font-variant-numeric: tabular-nums; }

/* --- desktop: widen out of the phone column into a two-column card grid --- */
@media (min-width: 760px) {
  main { max-width: 940px; }
  #controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
  }
  #controls .card { margin-bottom: 0; }
  #controls > .card:first-child { grid-column: 1 / -1; } /* Time (big clock) spans the top */
}