:root {
  --bg-1: #f4efe5;
  --bg-2: #d8ecff;
  --card: rgba(18, 28, 40, 0.78);
  --text: #f9fcff;
  --muted: #b8c7da;
  --accent: #f15bb5;
  --accent-2: #35b8ff;
  --border: rgba(255, 255, 255, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 15%, #f4d5b9, transparent 45%),
    radial-gradient(circle at 85% 20%, #a9d7ff, transparent 40%),
    linear-gradient(140deg, var(--bg-1), var(--bg-2));
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(55px);
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
  animation: drift 14s ease-in-out infinite alternate;
}

.orb-a {
  width: 320px;
  height: 320px;
  background: #ff9f6f;
  top: -70px;
  left: -70px;
}

.orb-b {
  width: 380px;
  height: 380px;
  background: #7dc8ff;
  right: -120px;
  bottom: -100px;
  animation-delay: 2s;
}

.app-shell {
  width: min(1400px, 98vw);
  margin: 14px auto;
  display: grid;
  gap: 14px;
}

.title-wrap {
  background: linear-gradient(145deg, rgba(22, 33, 47, 0.82), rgba(34, 45, 63, 0.68));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 16px 18px;
  backdrop-filter: blur(10px);
  transform: translateY(10px);
  animation: rise 550ms ease forwards;
}

.kicker {
  margin: 0 0 6px;
  font-size: 0.8rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #ffd7c8;
}

h1 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.5rem, 2.7vw, 2.3rem);
  line-height: 1.08;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 70ch;
}

.canvas-card {
  position: relative;
  min-height: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 44px rgba(15, 28, 40, 0.28);
  transform: translateY(18px);
  opacity: 0;
  animation: rise 620ms ease forwards 120ms;
}

#inputVideo {
  display: none;
}

#outputCanvas {
  display: block;
  width: 100%;
  height: auto;
  background: #060b11;
}

.hud {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 9px 12px;
  border-radius: 12px;
  background: rgba(9, 15, 22, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.92rem;
  color: #d7e9ff;
}

.panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(13, 20, 29, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transform: translateY(18px);
  opacity: 0;
  animation: rise 640ms ease forwards 180ms;
}

.control-btn {
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(145deg, #f15bb5, #f94d9e);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.control-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(241, 91, 181, 0.35);
}

.control-btn.secondary {
  background: linear-gradient(145deg, #2d6fd4, #235cb1);
}

.legend {
  display: flex;
  gap: 14px;
  color: #d5e7fd;
  font-size: 0.9rem;
  margin-left: auto;
  flex-wrap: wrap;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(14, 22, 32, 0.78), rgba(27, 37, 51, 0.7));
  border: 1px solid var(--border);
  box-shadow: 0 16px 32px rgba(18, 28, 40, 0.18);
  transform: translateY(18px);
  opacity: 0;
  animation: rise 660ms ease forwards 220ms;
}

.card-kicker {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  color: #ffc7a6;
}

.info-card h2 {
  margin: 0 0 10px;
  font-family: "Sora", sans-serif;
  font-size: 1.18rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.chip-btn {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 9px 14px;
  color: #eaf5ff;
  background: rgba(255, 255, 255, 0.06);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.chip-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.34);
}

.chip-btn.active {
  background: linear-gradient(145deg, rgba(241, 91, 181, 0.24), rgba(53, 184, 255, 0.2));
  border-color: rgba(255, 255, 255, 0.42);
  box-shadow: 0 8px 18px rgba(53, 184, 255, 0.12);
}

.meta-text {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.meter,
.challenge-stats {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.meter {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.challenge-card {
  background:
    radial-gradient(circle at top right, rgba(255, 153, 112, 0.18), transparent 32%),
    linear-gradient(160deg, rgba(14, 22, 32, 0.82), rgba(27, 37, 51, 0.72));
}

.challenge-prompt {
  margin: 0;
  min-height: 56px;
  color: #eef7ff;
  line-height: 1.5;
}

.challenge-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.challenge-stats div {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.stat-label {
  display: block;
  margin-bottom: 5px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #bfd0e5;
}

.challenge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.cheat-list {
  margin: 0;
  padding-left: 18px;
  color: #dceaf8;
  line-height: 1.45;
  font-size: 0.92rem;
}

.gesture-pill {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(8, 14, 22, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fdf7d4;
  font-size: 0.9rem;
  backdrop-filter: blur(8px);
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 5px;
}

.dot.pink { background: #ff00ff; }
.dot.blue { background: #0075ff; }
.dot.green { background: #00d767; }
.dot.red { background: #ff2f5c; }
.dot.eraser { background: #f5f5f5; border: 1px solid #666; }

@keyframes rise {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(14px, 20px) scale(1.08); }
}

@media (max-width: 780px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .legend {
    margin-left: 0;
  }

  .panel {
    justify-content: flex-start;
  }

  .hud {
    font-size: 0.83rem;
  }

  .challenge-stats {
    grid-template-columns: 1fr;
  }

  .gesture-pill {
    left: 14px;
    right: auto;
    max-width: calc(100% - 28px);
  }
}

@media (min-width: 1180px) {
  body {
    height: 100vh;
    overflow: hidden;
  }

  .app-shell {
    width: min(1580px, calc(100vw - 20px));
    height: calc(100vh - 20px);
    margin: 10px auto;
    grid-template-columns: minmax(0, 1.6fr) minmax(400px, 0.88fr);
    grid-template-rows: auto auto minmax(0, 1fr);
    grid-template-areas:
      "title panel"
      "canvas panel"
      "canvas feature";
    align-items: stretch;
  }

  .title-wrap {
    grid-area: title;
    padding: 14px 18px;
  }

  .canvas-card {
    grid-area: canvas;
    height: 100%;
  }

  #outputCanvas {
    width: 100%;
    height: 100%;
  }

  .panel {
    grid-area: panel;
    align-content: start;
    gap: 10px;
  }

  .legend {
    margin-left: 0;
    gap: 10px;
    font-size: 0.84rem;
  }

  .feature-grid {
    grid-area: feature;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    align-content: start;
  }

  .info-card {
    padding: 14px;
  }

  .info-card h2 {
    margin-bottom: 8px;
    font-size: 1.03rem;
  }

  .card-kicker {
    margin-bottom: 4px;
  }

  .chip-row {
    gap: 8px;
    margin-top: 10px;
  }

  .chip-btn {
    padding: 8px 12px;
    font-size: 0.83rem;
  }

  .meta-text {
    margin-top: 10px;
    font-size: 0.88rem;
    line-height: 1.35;
  }

  .meter,
  .challenge-stats div {
    padding: 10px 12px;
  }

  .challenge-prompt {
    min-height: 48px;
    font-size: 0.92rem;
    line-height: 1.35;
  }

  .challenge-stats {
    gap: 8px;
  }

  .challenge-actions {
    gap: 8px;
    margin-top: 10px;
  }

  .cheat-list {
    font-size: 0.84rem;
    line-height: 1.35;
  }

  .control-btn {
    padding: 9px 12px;
    font-size: 0.85rem;
  }
}