:root {
  --bg: #0f1115;
  --panel: #16181d;
  --panel-2: #1d2027;
  --fg: #e8eaed;
  --dim: #9aa0a6;
  --accent: #7cc4ff;
  --good: #7ce0a3;
  --warn: #ffcc66;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px 32px;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  max-width: 560px;
  margin-inline: auto;
  -webkit-tap-highlight-color: transparent;
}

/* --- шапка --- */

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(14px + env(safe-area-inset-top)) 0 14px;
}

.head-text { flex: 1; min-width: 0; }

h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

#link-state {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--dim);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dim);
  flex: none;
  transition: background 0.2s;
}
.dot.on { background: var(--good); box-shadow: 0 0 10px #7ce0a355; }
.dot.off { background: #e06c75; }

.ghost {
  appearance: none;
  border: 1px solid #2c313a;
  background: transparent;
  color: var(--dim);
  font: inherit;
  font-size: 13px;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
}
.ghost.active {
  border-color: var(--accent);
  color: var(--accent);
  background: #7cc4ff14;
}

/* --- главный экран --- */

.stage {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  border: 1px solid #22262e;
}
.stage.good { border-color: #2f5c45; }
.stage.warn { border-color: #5c5330; }

.stage-icon { font-size: 40px; line-height: 1; }

.stage h2 {
  margin: 14px 0 6px;
  font-size: 17px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.stage p {
  margin: 0;
  color: var(--dim);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.countdown {
  margin-top: 16px;
  height: 4px;
  background: #272b33;
  border-radius: 99px;
  overflow: hidden;
}
#countdown-bar {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--accent);
  transition: width 0.2s linear;
}

/* --- камера --- */

.camera-wrap {
  position: relative;
  margin-top: 14px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
}

video {
  width: 100%;
  display: block;
  transform: scaleX(-1);    /* зеркально: так привычнее себя видеть */
  max-height: 46vh;
  object-fit: cover;
}

.camera-debug {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 7px 12px;
  font: 12px/1.3 ui-monospace, "Cascadia Mono", Consolas, monospace;
  color: #cfd3d8;
  background: #000000b3;
  text-align: center;
  overflow-wrap: anywhere;
}

.camera-hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-size: 14px;
  background: linear-gradient(transparent, #000000cc);
  text-align: center;
}

/* --- карточки --- */

.card {
  margin-top: 14px;
  background: var(--panel);
  border: 1px solid #22262e;
  border-radius: var(--radius);
  padding: 16px 18px;
}
.card.accent { border-color: var(--accent); }
.card.muted { background: var(--panel-2); }

.card h3 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
}

.card p {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--dim);
  overflow-wrap: anywhere;
}
.card p:last-child { margin-bottom: 0; }
.card b { color: var(--fg); }

.hint { font-size: 12.5px; color: #6f757d; }

.button {
  display: inline-block;
  margin-top: 10px;
  padding: 11px 20px;
  border-radius: 10px;
  background: var(--accent);
  color: #0b1017;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

#delivered-text {
  margin: 10px 0 0;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid #22262e;
  border-radius: 10px;
  font: 13px/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace;
  color: var(--fg);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 34vh;
  overflow-y: auto;
}

.file-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 15px;
  background: var(--bg);
  border: 1px solid #22262e;
  border-radius: 12px;
  text-decoration: none;
}
.file-link:active { background: var(--panel-2); }

/* --- очередь --- */

.section-title {
  margin: 22px 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.queue { list-style: none; margin: 0; padding: 0; }

.queue li + li { margin-top: 8px; }

.queue button {
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 15px;
  background: var(--panel);
  border: 1px solid #22262e;
  border-radius: 12px;
  color: var(--fg);
  font: inherit;
  cursor: pointer;
}
.queue button:active { background: var(--panel-2); }

.q-from { font-size: 12px; color: var(--accent); }
.q-preview {
  font-size: 14px;
  color: var(--dim);
  overflow-wrap: anywhere;
}

footer {
  margin-top: 26px;
  font-size: 12.5px;
  color: #5f656d;
  text-align: center;
}