:root {
  --bg: rgb(8, 8, 8);
  --normal: rgb(235, 227, 213);
  --recognized: rgb(122, 26, 26);
  --secondary: rgb(128, 128, 128);
  --divider: rgb(55, 55, 55);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--normal);
  font-family: "Consolas", "DejaVu Sans Mono", monospace;
  height: 100%;
  overflow-x: hidden;
}

.hdr {
  padding: 16px 16px 10px 16px;
  border-bottom: 1px solid var(--divider);
}
.hdr-title {
  font-size: 15px;
  letter-spacing: 2px;
  font-weight: bold;
}
.hdr-sub {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--secondary);
  margin-top: 4px;
}

.main {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 560px;
  margin: 0 auto;
}

.camera-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #0c0c0c;
  border: 1px solid var(--divider);
  overflow: hidden;
  touch-action: none;
}
#camera-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.camera-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 13px;
  letter-spacing: 2px;
  text-align: center;
  padding: 20px;
}
.camera-placeholder.hidden { display: none; }

.channel-select-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.ch-select-btn {
  background: transparent;
  border: 1px solid var(--divider);
  color: var(--secondary);
  font-family: inherit;
  font-size: 15px;
  letter-spacing: 1px;
  padding: 10px;
  cursor: pointer;
}
.ch-select-btn.selected { color: var(--normal); border-color: var(--normal); border-width: 2px; }
.ch-select-btn.configured { color: var(--waveform); }

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--divider);
  padding: 10px 12px;
}
.ch-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--secondary);
}
.ch-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--secondary);
  display: inline-block;
}
.ch-indicator.on { color: var(--normal); }
.ch-indicator.on .ch-dot {
  background: var(--recognized);
  border-color: var(--recognized);
}
.ch-indicator.unconfigured { color: var(--divider); }
.ch-indicator.unconfigured .ch-dot { border-color: var(--divider); }
.elapsed {
  margin-left: auto;
  font-size: 13px;
  color: var(--secondary);
  letter-spacing: 1px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ctl-btn {
  background: transparent;
  border: 1px solid var(--divider);
  color: var(--normal);
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 2px;
  padding: 18px;
  min-height: 52px;
  cursor: pointer;
}
.ctl-btn:active { border-color: var(--normal); }
.ctl-btn:disabled { color: var(--divider); border-color: var(--divider); cursor: default; }
.ctl-btn.stop { color: var(--recognized); border-color: var(--recognized); }
.ctl-btn.stop:disabled { color: var(--divider); border-color: var(--divider); }
.ctl-btn.active { color: var(--bg); background: var(--normal); }
.ctl-btn.small { padding: 12px; font-size: 12px; min-height: auto; }

.debug-toggle {
  background: transparent;
  border: none;
  color: var(--secondary);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 2px;
  cursor: pointer;
  padding: 6px 0;
  align-self: flex-start;
}
.debug-panel {
  border: 1px solid var(--divider);
  padding: 12px 14px;
  font-size: 11px;
}
.debug-panel.hidden { display: none; }
.debug-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
}
.debug-grid .dk { color: var(--secondary); }
.debug-grid .dv { color: var(--normal); text-align: right; }
.debug-summary {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--divider);
  color: var(--secondary);
  white-space: pre-wrap;
}
.hidden { display: none; }

.decode-panel {
  border: 1px solid var(--divider);
  padding: 14px 16px;
}
.decode-text {
  font-size: 20px;
  line-height: 1.5;
  min-height: 1.5em;
  word-break: break-all;
}
.decode-text .confirmed { color: var(--normal); }
.decode-text .tentative { color: var(--secondary); }
.decode-text .unresolved { color: var(--secondary); opacity: 0.5; }
.decode-morse {
  margin-top: 8px;
  font-size: 12px;
  color: var(--secondary);
  word-break: break-all;
}
.decode-meta {
  margin-top: 8px;
  font-size: 11px;
  color: var(--secondary);
  letter-spacing: 1px;
}

.debug-decode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--divider);
}
.debug-decode-grid .dk { color: var(--secondary); }
.debug-decode-grid .dv { color: var(--normal); text-align: right; }

.import-label {
  display: block;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--divider);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--secondary);
}
.import-input { display: block; margin-top: 6px; font-size: 11px; color: var(--secondary); }

.section-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--secondary);
  margin-bottom: 6px;
}
.words-panel, .long-run-panel {
  border: 1px solid var(--divider);
  padding: 12px 14px;
}
.words-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 1.4em;
}
.word-chip {
  border: 1px solid var(--recognized);
  color: var(--recognized);
  padding: 4px 10px;
  font-size: 13px;
}
.word-chip.supported { opacity: 0.6; }
.long-run-panel { display: flex; flex-direction: column; gap: 10px; }
.long-run-panel.hidden { display: none; }
.long-run-panel .section-label:not(:first-child) { margin-top: 2px; }
.lr-value { font-size: 16px; color: var(--normal); }
.lr-value.locked { color: var(--recognized); font-weight: bold; }

.output-panel { border: 1px solid var(--divider); padding: 12px 14px; }
.output-panel.hidden { display: none; }
.output-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.output-progress { margin-top: 10px; font-size: 11px; color: var(--secondary); letter-spacing: 1px; }
.output-progress.hidden { display: none; }

.update-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--recognized);
  color: var(--normal);
  font-size: 12px;
  letter-spacing: 1px;
}
.update-banner.hidden { display: none; }
.update-banner .ctl-btn { padding: 6px 12px; min-height: auto; border-color: var(--normal); color: var(--normal); }

.tx-history-panel { border: 1px solid var(--divider); padding: 12px 14px; }
.tx-history-list { display: flex; flex-direction: column; gap: 1px; }
.tx-history-empty { color: var(--divider); font-size: 12px; padding: 8px 0; }
.tx-history-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--divider);
  font-size: 12px;
  cursor: pointer;
}
.tx-history-item:last-child { border-bottom: none; }
.tx-history-item:active { background: #111; }
.tx-history-id { color: var(--normal); font-weight: bold; }
.tx-history-meta { color: var(--secondary); }
.tx-history-status { color: var(--secondary); }
.tx-history-status.resolved { color: var(--normal); }

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--divider);
  font-size: 12px;
}
.setting-row select {
  background: var(--bg);
  color: var(--normal);
  border: 1px solid var(--divider);
  font-family: inherit;
  font-size: 12px;
  padding: 4px 8px;
}

.tx-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  z-index: 20;
  padding: 20px 0;
}
.tx-overlay.hidden { display: none; }
.tx-overlay-inner {
  background: var(--bg);
  border: 1px solid var(--divider);
  max-width: 560px;
  width: 92%;
  padding: 24px;
  position: relative;
}
.tx-overlay .overlay-close {
  position: absolute;
  top: 8px; right: 12px;
  background: none;
  border: none;
  color: var(--secondary);
  font-size: 26px;
  cursor: pointer;
}
.tx-detail-row { display: flex; justify-content: space-between; font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--divider); }
.tx-detail-row .dk { color: var(--secondary); }
.tx-detail-row .dv { color: var(--normal); }
.tx-detail-text { font-size: 16px; color: var(--normal); margin: 14px 0; word-break: break-all; line-height: 1.5; }
.tx-detail-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.tx-detail-buttons .ctl-btn.danger { color: var(--recognized); border-color: var(--recognized); }
.tx-detail-status { margin-top: 12px; font-size: 11px; color: var(--secondary); letter-spacing: 1px; min-height: 1.2em; }

.media-preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 30;
  padding: 16px;
}
.media-preview-overlay.hidden { display: none; }
.media-preview-inner {
  background: var(--bg);
  border: 1px solid var(--divider);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px;
  position: relative;
}
.media-preview-title { font-size: 13px; letter-spacing: 1px; color: var(--secondary); margin-bottom: 14px; padding-right: 24px; }
.media-preview-body { display: flex; justify-content: center; }
.media-preview-body video, .media-preview-body img { max-width: 100%; max-height: 60vh; display: block; }
.media-preview-body audio { width: 100%; }
.media-preview-error {
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--recognized);
  color: var(--recognized);
  font-size: 12px;
  letter-spacing: 1px;
}
.media-preview-error.hidden { display: none; }
.media-preview-buttons { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 16px; }