/* Control-room theme. One signal-teal accent; amber for "relayed/live" warnings.
   Mono for anything that is telemetry or an identifier; sans for prose UI. */

:root {
  --bg: #0a0e15;
  --panel: #121a26;
  --panel-2: #0e141e;
  --border: #223145;
  --border-soft: #1a2534;
  --text: #ccd6e5;
  --muted: #6d7d93;
  --dim: #465468;

  --signal: #34e0c8;   /* direct P2P / healthy */
  --signal-dim: #1f9e8d;
  --amber: #f5a623;    /* relayed via TURN / caution */
  --danger: #ff5c6c;   /* disconnected / error */

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

  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background:
    radial-gradient(1200px 600px at 80% -10%, #13203010, transparent),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 22px 60px;
}

/* --- masthead --- */
.mast {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border-soft);
}
.mast .glyph {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--signal);
  border: 1px solid var(--signal-dim);
  border-radius: 6px;
  padding: 4px 9px;
}
.mast h1 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.mast .role {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.mast .spacer { margin-left: auto; }
.lang-sel {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
}
.lang-sel:focus { outline: none; border-color: var(--signal-dim); }

/* --- panels --- */
.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}
.panel h2 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin: 0 0 14px;
}

.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* --- buttons --- */
button {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--bg);
  background: var(--signal);
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  transition: filter 0.15s, opacity 0.15s;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.ghost:hover { border-color: var(--signal-dim); }

input[type="text"] {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.15em;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  width: 180px;
  text-transform: uppercase;
}
input[type="text"]:focus { outline: none; border-color: var(--signal-dim); }

/* --- session id chip --- */
.code {
  font-family: var(--mono);
  font-size: 26px;
  letter-spacing: 0.28em;
  color: var(--signal);
  background: var(--panel-2);
  border: 1px dashed var(--signal-dim);
  border-radius: 8px;
  padding: 10px 18px;
  display: inline-block;
}

/* --- link path indicator: the signature element ---
   Shows whether traffic goes direct (P2P) or through a TURN relay. */
.link-path {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.node {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}
.wire {
  flex: 1;
  height: 2px;
  min-width: 60px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--dim) 0 6px, transparent 6px 12px);
  position: relative;
}
.wire .label {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.link-path[data-state="direct"] .wire { background: var(--signal); animation: flow 1s linear infinite; }
.link-path[data-state="direct"] .wire .label { color: var(--signal); }
.link-path[data-state="relay"]  .wire { background: var(--amber); }
.link-path[data-state="relay"]  .wire .label { color: var(--amber); }
.link-path[data-state="off"]    .wire { background: repeating-linear-gradient(90deg, var(--dim) 0 6px, transparent 6px 12px); }
@keyframes flow {
  from { background-position: 0 0; }
  to   { background-position: 24px 0; }
}
.link-path[data-state="direct"] .wire {
  background-image: linear-gradient(90deg, var(--signal-dim), var(--signal), var(--signal-dim));
  background-size: 200% 100%;
}

/* --- telemetry grid --- */
.tele {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  overflow: hidden;
}
.tele .cell { background: var(--panel-2); padding: 10px 12px; }
.tele .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }
.tele .v { font-family: var(--mono); font-size: 16px; color: var(--text); margin-top: 3px; }
.tele .v.good { color: var(--signal); }
.tele .v.warn { color: var(--amber); }

/* --- status dot --- */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--dim); }
.dot.on { background: var(--signal); box-shadow: 0 0 8px var(--signal); }
.dot.warn { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.dot.off { background: var(--danger); }

.status {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
}

/* --- video stage --- */
.stage {
  position: relative;
  background: #06090e;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.stage video { width: 100%; height: 100%; display: block; object-fit: contain; background: #06090e; cursor: crosshair; }
.stage .hint {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--dim); font-family: var(--mono); font-size: 13px; letter-spacing: 0.1em; text-align: center; padding: 20px;
}

/* fake cursor the host draws to prove commands arrive with correct coordinates */
.ghost-cursor {
  position: absolute; width: 18px; height: 18px; margin: -9px 0 0 -9px;
  border: 2px solid var(--signal); border-radius: 50%;
  box-shadow: 0 0 10px var(--signal); pointer-events: none;
  transition: left 0.03s linear, top 0.03s linear; opacity: 0; z-index: 5;
}
.ghost-cursor.click { background: var(--signal); }

/* "in control" badge on the controller stage */
.ctrl-badge {
  position: absolute; top: 12px; left: 12px; z-index: 6;
  display: none; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--bg); background: var(--signal);
  padding: 5px 11px; border-radius: 20px; font-weight: 600;
}
.ctrl-badge::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--bg); animation: pulse 1.2s ease-in-out infinite;
}
.ctrl-badge.show { display: inline-flex; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.keycap {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 13px; color: var(--text);
  background: #0b1017cc; border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 12px; opacity: 0; transition: opacity 0.2s; z-index: 5;
}

/* --- log --- */
.log {
  font-family: var(--mono); font-size: 12px; line-height: 1.7;
  color: var(--muted); max-height: 160px; overflow-y: auto;
  background: var(--panel-2); border: 1px solid var(--border-soft);
  border-radius: 8px; padding: 10px 12px;
}
.log .t { color: var(--dim); }

.hairline { height: 1px; background: var(--border-soft); border: none; margin: 18px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* monitor switch buttons */
.mon {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 14px; cursor: pointer;
}
.mon:hover { border-color: var(--signal-dim); filter: none; }
.mon.active { background: var(--signal); color: var(--bg); border-color: var(--signal); }

/* shared clipboard box */
.clipbox {
  width: 100%; min-height: 72px; resize: vertical;
  font-family: var(--mono); font-size: 13px; line-height: 1.5;
  color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
}
.clipbox:focus { outline: none; border-color: var(--signal-dim); }

/* consent overlay */
.consent {
  position: fixed; inset: 0; z-index: 50;
  background: #060911e6; display: none; align-items: center; justify-content: center;
}
.consent.show { display: flex; }
.consent .box {
  background: var(--panel); border: 1px solid var(--signal);
  border-radius: 12px; padding: 24px; width: 320px; text-align: center;
}
.consent h3 { margin: 0 0 8px; font-size: 17px; }
.consent p { margin: 0 0 18px; font-size: 14px; color: var(--muted); }
.consent .btns { display: flex; gap: 10px; }
.consent .btns button { flex: 1; }

/* file transfer */
.dropzone {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  border: 1px dashed var(--border); border-radius: 10px;
  padding: 20px; color: var(--muted); font-size: 14px;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.over { border-color: var(--signal); background: #34e0c810; color: var(--text); }
.transfers { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.xfer { background: var(--panel-2); border: 1px solid var(--border-soft); border-radius: 8px; padding: 8px 12px; }
.xfer-name { font-size: 13px; margin-bottom: 6px; }
.xfer-bar { height: 6px; background: var(--border-soft); border-radius: 3px; overflow: hidden; }
.xfer-bar span { display: block; height: 100%; width: 0; background: var(--signal); transition: width 0.15s; }
.xfer.done .xfer-bar span { background: var(--signal-dim); }

/* landing cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: block; background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; color: var(--text);
}
.card:hover { border-color: var(--signal-dim); text-decoration: none; }
.card .tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--signal); }
.card h3 { margin: 8px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }