:root {
  color-scheme: dark;
  --bg-deep: #071122;
  --bg-soft: #0a1f3e;
  --hud-blue: #6fd7ff;
  --hud-teal: #72f1dc;
  --hud-violet: #8d8cff;
  --ink: #e8f3ff;
  --muted: #b6c9dc;
  --scan-line: rgba(118, 229, 255, 0.28);
  --safe-green: #6ff0ac;
  --panel: rgba(9, 27, 52, 0.72);
  --panel-border: rgba(180, 214, 255, 0.32);
  --glow: 0 0 26px rgba(103, 222, 255, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: "Avenir Next", "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1300px 700px at 10% -20%, rgba(112, 176, 255, 0.28), transparent 60%),
    radial-gradient(900px 580px at 90% -18%, rgba(98, 237, 210, 0.18), transparent 60%),
    linear-gradient(180deg, var(--bg-soft), var(--bg-deep));
  overflow: hidden;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.cameraFeed,
.overlayCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.cameraFeed {
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04) brightness(0.82);
}

.overlayCanvas {
  pointer-events: none;
}

.scanHud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(3, 15, 34, 0.68), rgba(3, 15, 34, 0));
}

.hudBrand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.hudDot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--hud-teal);
  box-shadow: var(--glow);
  animation: pulseDot 1.4s ease-in-out infinite;
}

.hudName {
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  font-size: 13px;
}

.hudReadouts {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.hudChip {
  border: 1px solid rgba(150, 211, 255, 0.35);
  background: rgba(7, 22, 44, 0.6);
  color: #d9edff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 12px;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.hudButton {
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease;
}

.hudButton[aria-pressed="true"] {
  border-color: rgba(111, 240, 172, 0.78);
  color: #baf8d7;
}

.hudButton:hover {
  transform: translateY(-1px);
}

.analysisWrap {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 20px;
  z-index: 13;
  pointer-events: none;
}

#analysisText {
  margin: 0;
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 800;
  letter-spacing: 0.2px;
  color: #eff8ff;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.55);
  min-height: 1.4em;
}

.progressTrack {
  margin-top: 10px;
  width: 100%;
  height: 8px;
  background: rgba(14, 37, 66, 0.64);
  border: 1px solid rgba(152, 205, 255, 0.28);
  border-radius: 999px;
  overflow: hidden;
}

.progressFill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #66d8ff, #72f1dc, #7ea8ff);
  box-shadow: 0 0 14px rgba(120, 235, 255, 0.42);
}

.panel {
  position: absolute;
  z-index: 14;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 560px);
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: 24px;
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(0, 4, 12, 0.48);
}

.launchPanel h1 {
  margin: 8px 0 8px;
  font-size: clamp(30px, 5vw, 40px);
  line-height: 1.02;
  letter-spacing: 0.3px;
}

.tagline {
  margin: 0 auto 18px;
  max-width: 46ch;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--muted);
}

.footnote {
  margin: 12px 0 0;
  font-size: 13px;
  color: #bbd0e6;
}

.primaryBtn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 24px;
  font-size: 18px;
  font-weight: 900;
  color: #07223f;
  background: linear-gradient(135deg, #85f0ff, #73f7d0 52%, #9cb7ff);
  box-shadow: 0 14px 24px rgba(89, 195, 255, 0.4);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.primaryBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(89, 195, 255, 0.48);
}

.primaryBtn:active {
  transform: translateY(0);
}

.secondaryBtn {
  appearance: none;
  border: 1px solid rgba(174, 212, 246, 0.48);
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 800;
  color: #dff2ff;
  background: rgba(9, 30, 56, 0.7);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.secondaryBtn:hover {
  transform: translateY(-1px);
  border-color: rgba(174, 212, 246, 0.74);
  background: rgba(11, 35, 64, 0.82);
}

.mascotWrap {
  display: flex;
  justify-content: center;
  margin-bottom: 6px;
}

.mascot {
  width: min(42vw, 190px);
  filter: drop-shadow(0 12px 24px rgba(64, 174, 235, 0.35));
  animation: mascotFloat 3.6s ease-in-out infinite;
}

.mascot .eye {
  animation: blinkEyes 4.8s steps(1, end) infinite;
}

.resultPanel {
  animation: panelReveal 360ms cubic-bezier(.2, .8, .2, 1) both;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  border: 1px solid rgba(133, 245, 186, 0.72);
  background: rgba(21, 72, 45, 0.46);
  color: #d7ffe8;
  padding: 10px 18px;
  font-weight: 900;
  font-size: clamp(17px, 2.3vw, 24px);
}

.resultLine {
  margin: 14px 0 8px;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
}

.mascotCallout {
  margin: 0 0 18px;
  font-size: clamp(16px, 2.4vw, 20px);
  color: #daf5e7;
}

.resultActions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.safePulse {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 11;
  opacity: 0;
}

.safePulse.active {
  animation: safeWave 1.4s ease-out 1;
}

.sparkLayer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 15;
}

.spark {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--spark-color, #9ff7d1);
  box-shadow: 0 0 10px var(--spark-color, #9ff7d1);
  opacity: 0;
  animation: sparkleFall var(--spark-time, 1700ms) ease-out forwards;
}

.cameraError {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 30;
  width: min(86vw, 560px);
  text-align: center;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 162, 162, 0.56);
  background: rgba(60, 16, 28, 0.74);
  color: #ffe5e5;
  font-weight: 700;
}

.state-launch .analysisWrap,
.state-launch .scanHud {
  opacity: 0.5;
}

.state-launch .cameraFeed {
  filter: blur(1px) saturate(0.8) brightness(0.45);
}

.state-scanning .panel,
.state-result #launchScreen {
  display: none;
}

.state-result .analysisWrap {
  opacity: 1;
}

@keyframes mascotFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.4); opacity: 1; }
}

@keyframes blinkEyes {
  0%, 44%, 48%, 100% { transform: scaleY(1); }
  46% { transform: scaleY(0.1); }
}

@keyframes safeWave {
  0% {
    opacity: 0.02;
    background: radial-gradient(circle at 50% 50%, rgba(90, 255, 172, 0.04), rgba(90, 255, 172, 0));
  }
  35% {
    opacity: 0.65;
    background: radial-gradient(circle at 50% 50%, rgba(95, 255, 176, 0.24), rgba(95, 255, 176, 0));
  }
  100% {
    opacity: 0;
    background: radial-gradient(circle at 50% 50%, rgba(95, 255, 176, 0), rgba(95, 255, 176, 0));
  }
}

@keyframes sparkleFall {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(0.8);
    opacity: 0;
  }
  14% {
    opacity: 1;
  }
  100% {
    transform: translate3d(var(--spark-dx, 0px), var(--spark-dy, 180px), 0) rotate(260deg) scale(0.2);
    opacity: 0;
  }
}

@keyframes panelReveal {
  0% { opacity: 0; transform: translate(-50%, -47%) scale(0.96); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@media (max-width: 700px) {
  .scanHud {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hudReadouts {
    width: 100%;
    justify-content: flex-start;
  }

  .panel {
    width: min(94vw, 560px);
    padding: 20px 18px;
  }

  .primaryBtn {
    width: 100%;
  }

  .secondaryBtn {
    width: 100%;
  }

  .analysisWrap {
    left: 12px;
    right: 12px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}