:root {
  color-scheme: dark;
  font-family:
    Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #edf5ff;
  background: #060b13;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(34, 197, 94, 0.15), transparent 32rem),
    radial-gradient(circle at 95% 20%, rgba(59, 130, 246, 0.12), transparent 28rem),
    #060b13;
}

button,
video {
  font: inherit;
}

.app-shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.eyebrow,
.card-label {
  margin: 0 0 8px;
  color: #69e697;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 5vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.subtitle {
  max-width: 680px;
  margin-bottom: 0;
  color: #9caec3;
  line-height: 1.65;
}

.badge {
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid #26364b;
  border-radius: 999px;
  color: #9caec3;
  background: rgba(13, 24, 39, 0.72);
  font-size: 0.78rem;
  font-weight: 700;
}

.badge[data-state="ok"] {
  border-color: rgba(105, 230, 151, 0.35);
  color: #91f1b4;
}

.badge[data-state="warning"] {
  border-color: rgba(251, 191, 36, 0.42);
  color: #fcd56b;
}

.camera-card,
.result-card,
.recognized-card,
.debug-card {
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 24px;
  background: rgba(12, 20, 33, 0.82);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(16px);
}

.debug-card {
  margin-top: 18px;
  padding: 18px;
}

.debug-card summary {
  cursor: pointer;
  color: #cbd8e7;
  font-weight: 750;
}

.debug-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0 8px;
  color: #7f91a7;
  font-size: 0.78rem;
}

.debug-toolbar button {
  padding: 6px 9px;
  border: 1px solid #2b3a4e;
  border-radius: 7px;
  color: #aab9ca;
  background: #111c2c;
  cursor: pointer;
}

#debugLog {
  overflow: auto;
  max-height: 260px;
  min-height: 110px;
  margin: 0;
  padding: 14px;
  border-radius: 10px;
  color: #a7f3d0;
  background: #02050a;
  font: 12px/1.6 "SFMono-Regular", Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.camera-card {
  padding: 12px;
}

.camera-stage {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 17px;
  background: #020408;
}

.camera-stage video,
.camera-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-stage canvas {
  z-index: 1;
  pointer-events: none;
}

.camera-stage.is-mirrored video,
.camera-stage.is-mirrored canvas {
  transform: scaleX(-1);
}

.camera-stage.is-empty video,
.camera-stage.is-empty .viewfinder {
  visibility: hidden;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 8px;
  padding: 24px;
  color: #7f91a7;
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

.camera-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 8px;
  place-items: center;
  border: 1px solid #25354a;
  border-radius: 16px;
  color: #69e697;
  font-size: 1.4rem;
}

.empty-state strong {
  color: #c5d2e1;
}

.viewfinder {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  pointer-events: none;
}

.camera-label {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 7px 10px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.58);
  font-size: 0.77rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
  z-index: 2;
}

.status-row {
  display: flex;
  align-items: center;
  min-height: 52px;
  gap: 10px;
  padding: 14px 6px 4px;
  color: #aab9ca;
}

.status-row p {
  margin: 0;
  font-size: 0.92rem;
}

.status-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
}

.status-dot[data-state="success"] {
  background: #4ade80;
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.65);
}

.status-dot[data-state="loading"] {
  background: #60a5fa;
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.65);
}

.status-dot[data-state="error"] {
  background: #fb7185;
  box-shadow: 0 0 12px rgba(251, 113, 133, 0.55);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 4px 4px;
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 4px 8px;
}

.metrics span {
  padding: 7px 10px;
  border: 1px solid #26364b;
  border-radius: 9px;
  color: #7f91a7;
  background: rgba(8, 15, 25, 0.7);
  font-size: 0.75rem;
}

.metrics strong {
  margin-left: 4px;
  color: #cbd8e7;
}

.button {
  min-height: 46px;
  padding: 0 17px;
  border: 1px solid #2b3a4e;
  border-radius: 12px;
  color: #dce7f3;
  background: #142033;
  cursor: pointer;
  font-weight: 750;
  transition: transform 140ms ease, border-color 140ms ease, opacity 140ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: #4a607b;
}

.button:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.48);
  outline-offset: 2px;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.button-primary {
  border-color: #69e697;
  color: #04130a;
  background: #69e697;
}

.button-danger {
  border-color: rgba(251, 113, 133, 0.35);
  color: #fda4af;
  background: rgba(76, 18, 32, 0.55);
}

.result-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.5fr) 1fr;
  gap: 24px;
  margin-top: 18px;
  padding: 24px;
}

.result-card h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

.prediction-confidence {
  margin: 8px 0 0;
  color: #91f1b4;
  font-weight: 700;
}

.stable-state {
  margin: 8px 0 0;
  color: #8fa3ba;
  font-size: 0.82rem;
}

.recognized-card {
  margin-top: 18px;
  padding: 24px;
}

.recognized-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.recognized-help {
  margin: 0;
  color: #8fa3ba;
  font-size: 0.84rem;
  line-height: 1.55;
}

.recognized-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.button-small {
  min-height: 38px;
  padding: 0 12px;
  border-radius: 9px;
  font-size: 0.8rem;
}

.recognized-tokens {
  display: flex;
  flex-wrap: wrap;
  min-height: 58px;
  gap: 9px;
  align-items: center;
  margin-top: 18px;
  padding: 14px;
  border: 1px solid #26364b;
  border-radius: 14px;
  background: rgba(5, 11, 19, 0.55);
}

.recognized-token {
  padding: 9px 12px;
  border: 1px solid rgba(105, 230, 151, 0.3);
  border-radius: 999px;
  color: #b9f7cf;
  background: rgba(34, 197, 94, 0.1);
  font-size: 0.88rem;
  font-weight: 750;
}

.token-empty {
  color: #71849b;
  font-size: 0.86rem;
}

.prediction-panel {
  padding: 18px;
  border: 1px solid #26364b;
  border-radius: 14px;
  background: rgba(5, 11, 19, 0.55);
}

.buffer-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 9px;
  color: #9caec3;
  font-size: 0.82rem;
}

.progress-track {
  overflow: hidden;
  height: 9px;
  border-radius: 999px;
  background: #1b293b;
}

.progress-value {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #4ade80, #60a5fa);
  transition: width 120ms linear;
}

.top-predictions {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding-left: 24px;
  color: #aab9ca;
  font-size: 0.86rem;
}

@media (max-width: 680px) {
  .app-shell {
    width: min(100% - 20px, 1040px);
    padding: 24px 0 40px;
  }

  .app-header {
    display: block;
  }

  .badge {
    display: inline-block;
    margin-top: 16px;
  }

  .camera-card {
    padding: 7px;
    border-radius: 18px;
  }

  .camera-stage {
    aspect-ratio: 3 / 4;
    border-radius: 13px;
  }

  .controls .button {
    flex: 1 1 130px;
  }

  .result-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .recognized-card {
    padding: 18px;
  }

  .recognized-header {
    display: block;
  }

  .recognized-actions {
    margin-top: 14px;
  }

  .recognized-actions .button {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}