/* webYPTC - black, compact, minimal radii, no extra fonts
   Font sizes are fixed px; layout spacing still scales with the viewport. */
:root {
  --bg: #000;
  --panel: #0d0d0d;
  --line: #262626;
  --line2: #3d3d3d;
  --text: #e8e8e8;
  --dim: #8c8c8c;
  --accent: #22c55e;
  --amber: #eab308;
  --err: #ef4444;
}

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

body {
  margin: 0;
  padding: 2.5vh 0 5vh;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}

/* centered stack, width follows the screen */
.app {
  width: min(92vw, 84em);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.2vh, 18px);
}

/* generic panel + row */
.panel {
  padding: clamp(10px, 1.4vh, 20px) clamp(12px, 1.5vw, 26px);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
}

.row {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1vw, 18px);
  flex-wrap: wrap;
}

/* label above the selects; align the EXP checks with the select bottoms */
.config-row { align-items: flex-end; }

.kicker {
  color: var(--dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.small { color: var(--dim); font-size: 12px; overflow-wrap: anywhere; }

/* header: title + connection on one line */
h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.tag { color: var(--dim); font-size: 13px; }
.conn { display: flex; align-items: center; gap: 0.6em; margin-left: auto; flex-wrap: wrap; }

/* controls */
select, .btn {
  padding: 0.45em 0.85em;
  border: 1px solid var(--line2);
  border-radius: 2px;
  font-size: 14px;
  outline: none;
}

select { background: #161616; color: var(--text); min-width: 4.5em; }
select:focus-visible { border-color: var(--amber); }
select:disabled { color: var(--dim); }

.btn {
  background: #1b1b1b;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover:not(:disabled) { background: #262626; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* backup progress: thin native bar, green fill */
progress {
  width: clamp(90px, 16vw, 200px);
  height: 6px;
  appearance: none;
  border: 0;
  border-radius: 2px;
  background: #1b1b1b;
  overflow: hidden;
}

progress::-webkit-progress-bar { background: #1b1b1b; }
progress::-webkit-progress-value { background: var(--accent); }
progress::-moz-progress-bar { background: var(--accent); }

/* connect: amber outline */
.btn.primary {
  border-color: var(--amber);
  background: transparent;
  color: var(--amber);
  font-weight: 600;
}

.btn.primary:hover:not(:disabled) { background: rgba(234, 179, 8, 0.14); }

/* write: green solid */
.btn.accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #06281a;
  font-weight: 600;
}

.btn.accent:hover:not(:disabled) { background: #1eb355; }

.row .btn:last-of-type { margin-left: auto; }

/* status + device badges */
.status, .model {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.35em 0.7em;
  border: 1px solid var(--line2);
  border-radius: 2px;
  color: var(--dim);
  font-size: 12px;
  white-space: nowrap;
}

.status i, .model i {
  width: 0.5em;
  height: 0.5em;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--dim);
}

.status.busy { color: var(--amber); border-color: var(--amber); }
.status.busy i { background: var(--amber); }
.status.ok { color: var(--accent); border-color: var(--accent); }
.status.ok i { background: var(--accent); }
.status.warn { color: var(--amber); border-color: var(--amber); }
.status.warn i { background: var(--amber); }
.status.err { color: var(--err); border-color: var(--err); }
.status.err i { background: var(--err); }

.model b { color: var(--text); }
.model.ok i { background: var(--accent); }
.model.warn i { background: var(--amber); }
.model.err i { background: var(--err); }

/* target byte: label top-left, hex over binary, device badge below */
.target { text-align: center; }
.target > .kicker { display: block; text-align: left; margin-bottom: 0.15em; }

.byte {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1em;
}

.hex {
  color: var(--accent);
  font-family: monospace;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.15;
}

.bin {
  color: var(--dim);
  font-family: monospace;
  font-size: 16px;
  letter-spacing: 0.22em;
}

.target .model { margin-top: 0.3em; }

/* config */
.field { display: flex; flex-direction: column; gap: 0.15em; }
.field > span { color: var(--dim); font-size: 12px; }
.field select { min-width: 8em; }

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.45em 0.7em;
  border: 1px solid var(--line2);
  border-radius: 2px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}

.check input { width: 1em; height: 1em; margin: 0; accent-color: var(--accent); cursor: pointer; }

.range {
  margin-top: 0.6em;
  padding-top: 0.6em;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-family: monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.range b { color: var(--accent); margin-right: 0.5em; }

.risk {
  margin-top: 0.6em;
  padding: 0.45em 0.7em;
  border: 1px solid var(--amber);
  border-radius: 2px;
  color: var(--amber);
  font-size: 12px;
}

/* log */
.log {
  max-height: 26vh;
  overflow: auto;
  padding: 0.6em 0.8em;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #060606;
  font-family: monospace;
  font-size: 12px;
  line-height: 1.65;
}

.log-line { white-space: pre-wrap; overflow-wrap: anywhere; color: var(--dim); }
.log-line.ok { color: var(--accent); }
.log-line.warn { color: var(--amber); }
.log-line.err { color: var(--err); }
.log-line.dim { color: #5c5c5c; }

@media (max-width: 640px) {
  .conn { margin-left: 0; width: 100%; }
  .conn .btn { flex: 1 1 auto; }
  .row { flex-direction: column; align-items: stretch; }
  .row select, .row .btn { width: 100%; }
  .row .btn:last-of-type { margin-left: 0; }
  progress { width: 100%; }
}