:root {
  --bg: #050814;
  --panel: rgba(9, 17, 32, 0.84);
  --panel2: rgba(15, 26, 48, 0.72);
  --line: rgba(156, 190, 255, 0.24);
  --text: #eef5ff;
  --muted: #9db2d4;
  --accent: #54f7a5;
  --accent2: #76a7ff;
  --warn: #ffd98a;
  --danger: #ff8b8b;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; }
.app-shell {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 10%, rgba(62, 99, 221, .22), transparent 35%),
    radial-gradient(circle at 90% 75%, rgba(72, 238, 164, .13), transparent 36%),
    #050814;
}
.camera-stage { position: absolute; inset: 0; background: #02040b; }
video, #overlayCanvas, #debugCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#overlayCanvas { z-index: 2; pointer-events: auto; touch-action: none; }
#debugCanvas { z-index: 1; opacity: 0.85; object-fit: contain; background: #000; }
.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .38);
}
.top-panel {
  position: fixed;
  z-index: 4;
  top: max(10px, env(safe-area-inset-top));
  left: 10px;
  right: 10px;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 10px;
  padding: 10px;
  border-radius: 20px;
}
.counter-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 86px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(80, 247, 166, .18), rgba(10, 18, 32, .35));
  border: 1px solid rgba(84, 247, 165, .26);
}
.counter-number {
  font-size: clamp(42px, 13vw, 68px);
  line-height: .9;
  font-weight: 850;
  letter-spacing: -0.06em;
}
.counter-label {
  margin-top: 6px;
  font-size: 11px;
  color: #b8c9e8;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
}
.status-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  color: #dfeaff;
  font-size: 14px;
  line-height: 1.35;
}
.mini-stats { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 12px; }
.mini-stats span { padding: 5px 8px; border-radius: 999px; background: rgba(255,255,255,.06); }
.bottom-panel {
  position: fixed;
  z-index: 5;
  left: 10px;
  right: 10px;
  bottom: max(10px, env(safe-area-inset-bottom));
  border-radius: 22px;
  padding: 10px;
  max-height: 54vh;
  overflow: auto;
}
.section { border-top: 1px solid rgba(255,255,255,.08); padding-top: 8px; margin-top: 8px; }
.section:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
summary {
  cursor: pointer;
  color: #e7f0ff;
  font-weight: 850;
  font-size: 13px;
  margin-bottom: 8px;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "▾"; color: var(--accent); margin-right: 7px; }
details:not([open]) summary::before { content: "▸"; }
.panel-row { display: flex; gap: 8px; }
.buttons-row { display: grid; grid-template-columns: repeat(5, 1fr); }
.buttons-row.compact { margin-top: 10px; grid-template-columns: repeat(4, 1fr); }
button {
  min-height: 42px;
  border: 1px solid rgba(172, 200, 255, .34);
  border-radius: 13px;
  background: linear-gradient(180deg, rgba(48, 73, 125, .86), rgba(20, 31, 55, .92));
  color: #fff;
  font-weight: 750;
  cursor: pointer;
}
button:active { transform: translateY(1px); }
button.active {
  border-color: rgba(84, 247, 165, .72);
  background: linear-gradient(180deg, rgba(36, 139, 92, .95), rgba(18, 64, 48, .92));
}
button:disabled { opacity: .48; cursor: not-allowed; }
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
  margin-top: 10px;
}
.primary-grid { margin-bottom: 10px; }
label { display: block; color: #cbd9f4; font-size: 12px; font-weight: 700; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
input[type="text"], input:not([type]), select, input[type="file"] {
  width: 100%;
  min-height: 38px;
  margin-top: 4px;
  border-radius: 12px;
  border: 1px solid rgba(172, 200, 255, .24);
  background: rgba(255,255,255,.08);
  color: #eef5ff;
  padding: 8px 10px;
}
select option { background: #111b2f; color: #eef5ff; }
input[type="file"] { padding: 7px; font-size: 11px; }
.hint { margin: 10px 2px 0; color: var(--muted); font-size: 12px; line-height: 1.35; }
.small-gap { margin-top: 0; margin-bottom: 8px; }
.sample-strip { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 10px; }
.sample-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 9px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: #d8e7ff;
  font-size: 11px;
}
.sample-pill.pos { border-color: rgba(84,247,165,.35); }
.sample-pill.neg { border-color: rgba(255,139,139,.35); }
.corner-mark {
  position: absolute;
  z-index: 3;
  width: 42px;
  height: 42px;
  opacity: .55;
  pointer-events: none;
}
.corner-mark.tl { left: 12px; top: 128px; border-left: 2px solid rgba(84, 247, 165, .7); border-top: 2px solid rgba(84, 247, 165, .7); }
.corner-mark.tr { right: 12px; top: 128px; border-right: 2px solid rgba(84, 247, 165, .7); border-top: 2px solid rgba(84, 247, 165, .7); }
.corner-mark.bl { left: 12px; bottom: 240px; border-left: 2px solid rgba(84, 247, 165, .7); border-bottom: 2px solid rgba(84, 247, 165, .7); }
.corner-mark.br { right: 12px; bottom: 240px; border-right: 2px solid rgba(84, 247, 165, .7); border-bottom: 2px solid rgba(84, 247, 165, .7); }
@media (orientation: landscape) and (max-height: 540px) {
  .top-panel { grid-template-columns: 118px 1fr; right: auto; width: min(450px, 48vw); }
  .bottom-panel { left: auto; top: max(10px, env(safe-area-inset-top)); bottom: max(10px, env(safe-area-inset-bottom)); width: min(460px, 46vw); max-height: none; }
  .panel-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .top-panel { grid-template-columns: 112px 1fr; padding: 8px; }
  .bottom-panel { padding: 8px; max-height: 57vh; }
  .buttons-row, .buttons-row.compact { grid-template-columns: repeat(2, 1fr); }
  .panel-grid { grid-template-columns: 1fr; }
}
.training-grid label { min-width: 0; }
.training-actions { grid-template-columns: repeat(5, 1fr); }
.training-actions button { font-size: 12px; line-height: 1.15; padding: 7px 8px; }
.sample-thumb {
  position: relative;
  width: 58px;
  height: 46px;
  min-height: 46px;
  padding: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}
.sample-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sample-thumb.pos { border-color: rgba(84,247,165,.58); }
.sample-thumb.neg { border-color: rgba(255,139,139,.62); }
.sample-thumb-tag {
  position: absolute;
  top: 3px;
  right: 3px;
  min-width: 18px;
  height: 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  color: #07101f;
  background: var(--accent);
}
.sample-thumb.neg .sample-thumb-tag { background: var(--danger); color: #1b0606; }
.sample-thumb-empty {
  width: 100%;
  height: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--muted);
}

.sample-editor {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom));
  background: rgba(2, 6, 14, .78);
}
.sample-editor[hidden] { display: none; }
.sample-editor-card {
  width: min(980px, 100%);
  max-height: 96vh;
  display: grid;
  grid-template-rows: auto minmax(260px, 1fr) auto auto;
  gap: 10px;
  overflow: hidden;
}
.sample-editor-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 14px 14px 0;
}
.sample-editor-head h2 {
  margin: 0 0 4px;
  font-size: 18px;
  letter-spacing: -.01em;
}
.sample-editor-head p,
.sample-editor-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}
#sampleEditorCanvas {
  width: 100%;
  min-height: 260px;
  max-height: 62vh;
  background: #02040b;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  touch-action: none;
}
.sample-editor-actions {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  padding: 0 14px;
}
.sample-editor-actions button,
.editor-small-btn {
  min-height: 38px;
  font-size: 12px;
  line-height: 1.15;
  padding: 7px 8px;
}
.sample-editor-note { padding: 0 14px 14px; }
@media (max-width: 640px) {
  .sample-editor-actions { grid-template-columns: repeat(2, 1fr); }
  .sample-editor-head { grid-template-columns: 1fr; }
  .editor-small-btn { width: 100%; }
}