:root {
  --bg: #0a0c10;
  --panel: rgba(23, 26, 33, 0.7);
  --panel-border: rgba(255, 255, 255, 0.06);
  --accent: #8bc34a;
  --accent2: #d1e08b;
  --pink: #e91e63;
  --text: #eef1f5;
  --muted: #7a8392;
  font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(139,195,74,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(233,30,99,0.06) 0%, transparent 50%);
}

.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
}

header {
  text-align: center;
  padding: 24px 16px 8px;
}

header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.matcha {
  filter: drop-shadow(0 0 8px var(--accent));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

main {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 20px auto;
  padding: 0 16px 32px;
}

@media (max-width: 800px) {
  main { grid-template-columns: 1fr; }
  header h1 { font-size: 1.4rem; }

  /* On mobile, shrink the camera so the meter panel is visible without scrolling */
  .video-wrap { aspect-ratio: 16 / 10; }

  .radial-gauge { margin-top: 0; }
  .gauge-svg { max-width: 180px; }
  .gauge-number { font-size: 2.2rem; }

  .signal-list li { font-size: 0.82rem; padding: 6px 10px; }
}

/* Glass cards */
.glass {
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 16px;
}

.camera-panel { grid-column: span 1; }
.meter-panel { grid-column: span 1; }
.info-panel { grid-column: 1 / -1; }

/* Camera */
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

video.mirrored, #overlay.mirrored {
  transform: scaleX(-1);
}

.status {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 700;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--accent);
  z-index: 2;
  transition: color 0.3s, border-color 0.3s;
}

.status { z-index: 2; }

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(139,195,74,0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.spinner.hidden { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Buttons */
.controls {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button {
  background: var(--accent);
  border: none;
  color: #10130d;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  min-height: 44px;
  touch-action: manipulation;
  transition: transform 0.1s, filter 0.15s;
  font-family: inherit;
}

button:active:not(:disabled) { transform: scale(0.96); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.snap-btn {
  background: var(--pink);
  color: #fff;
}

/* Radial gauge */
.radial-gauge {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 8px 0 0;
}

.gauge-svg {
  width: 100%;
  max-width: 240px;
}

#gaugeArc {
  transition: stroke-dasharray 0.4s ease;
}

.gauge-center {
  position: absolute;
  bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.gauge-number {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  transition: color 0.3s;
}

.gauge-label {
  font-size: 0.9rem;
  color: var(--muted);
}

/* Emoji reaction */
.emoji-reaction {
  font-size: 2.4rem;
  text-align: center;
  margin: 4px 0;
  transition: transform 0.3s;
}

.emoji-reaction.pop {
  animation: pop 0.4s ease;
}

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* Verdict */
.verdict {
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  color: var(--accent2);
  min-height: 1.4em;
  margin: 4px 0 8px;
}

/* Signal list */
.signal-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.signal-list li {
  background: rgba(31, 36, 48, 0.6);
  border: 1px solid rgba(255,255,255,0.04);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  animation: slideIn 0.25s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.signal-list li span.pts {
  color: var(--accent);
  font-weight: 700;
}

/* Info panel */
#infoToggle {
  background: transparent;
  color: var(--accent2);
  border: 1px solid rgba(255,255,255,0.08);
  width: 100%;
  text-align: left;
  border-radius: 10px;
}

.info-body {
  margin-top: 12px;
  line-height: 1.6;
  color: var(--text);
  font-size: 0.92rem;
}

.info-body.hidden { display: none; }
.info-body .source { color: var(--muted); font-size: 0.78rem; margin-top: 8px; }

/* Flash overlay for snapshot */
.flash {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 99;
  pointer-events: none;
  animation: flash 0.35s ease-out forwards;
}

@keyframes flash {
  from { opacity: 0.7; }
  to { opacity: 0; }
}