:root {
  --bg0: #070605;
  --ink: #f3e8d2;
  --muted: rgba(243, 232, 210, 0.62);
  --gold: #d4af37;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  --radius: 28px;
  --track-h: 84px;
  --knob: 64px;
  --pad: 10px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(212, 175, 55, 0.12), transparent 55%),
    radial-gradient(900px 500px at 80% 100%, rgba(90, 40, 18, 0.28), transparent 50%),
    linear-gradient(180deg, #0d0b09 0%, var(--bg0) 45%, #050403 100%);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  min-height: -webkit-fill-available;
  overflow-x: hidden;
}

body.is-dragging {
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
}

.grain,
.vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
}

.grain {
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.vignette {
  background: radial-gradient(circle at center, transparent 35%, rgba(0, 0, 0, 0.55) 100%);
}

.stage {
  position: relative;
  z-index: 1;
  width: min(440px, calc(100% - 28px));
  margin: 0 auto;
  min-height: 100dvh;
  min-height: -webkit-fill-available;
  padding: calc(28px + var(--safe-t)) 0 calc(24px + var(--safe-b));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}

.brand {
  text-align: center;
  animation: rise 700ms ease both;
  user-select: none;
  -webkit-user-select: none;
}

.brand-logo {
  display: block;
  width: min(100%, 360px);
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.55));
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.brand-subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.tracks {
  display: grid;
  gap: 14px;
}

.card {
  --accent: var(--gold);
  position: relative;
  padding: 16px 14px 18px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 40%),
    linear-gradient(160deg, rgba(28, 24, 18, 0.96), rgba(12, 10, 8, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise 800ms ease both;
}

.card:nth-child(2) { animation-delay: 80ms; }

.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  opacity: 0.85;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 0 4px;
}

.card-title {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.card-hint {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.track {
  position: relative;
  height: var(--track-h);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent),
    rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
  cursor: grab;
}

.track.is-disabled {
  opacity: 0.45;
  filter: grayscale(0.35);
  cursor: not-allowed;
}

.track.is-dragging {
  cursor: grabbing;
}

.trail {
  position: absolute;
  inset: 12px calc(var(--knob) + 18px) 12px 12px;
  border-radius: 999px;
  overflow: hidden;
  pointer-events: none;
}

.trail-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(243, 232, 210, 0.22) 1.4px, transparent 1.6px);
  background-size: 18px 100%;
  background-repeat: repeat-x;
  background-position: center;
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.trail-fill {
  position: absolute;
  left: 0;
  top: 50%;
  height: 3px;
  width: 0%;
  transform: translateY(-50%);
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent));
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 55%, transparent);
  will-change: width;
}

.dest {
  position: absolute;
  right: var(--pad);
  top: 50%;
  width: var(--knob);
  height: var(--knob);
  transform: translateY(-50%);
  border-radius: 50%;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 70%, transparent);
  display: grid;
  place-items: center;
  color: color-mix(in srgb, var(--accent) 85%, white 15%);
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 62%),
    rgba(0, 0, 0, 0.25);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  pointer-events: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.dest-icon {
  font-size: 1.15rem;
  opacity: 0.9;
  transition: opacity 140ms ease, transform 140ms ease;
}

.dest.is-hot {
  transform: translateY(-50%) scale(1.06);
  border-style: solid;
  border-color: var(--accent);
  box-shadow:
    0 0 0 6px color-mix(in srgb, var(--accent) 12%, transparent),
    0 0 28px color-mix(in srgb, var(--accent) 28%, transparent);
}

.dest.is-done {
  border-style: solid;
  border-color: var(--accent);
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--accent) 35%, transparent), transparent 65%),
    rgba(0, 0, 0, 0.2);
}

.dest.is-done .dest-icon {
  opacity: 0;
  transform: scale(0.4);
}

.knob {
  position: absolute;
  left: var(--pad);
  top: 50%;
  width: var(--knob);
  height: var(--knob);
  transform: translate3d(0, -50%, 0);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.65rem;
  z-index: 3;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.22), transparent 42%),
    linear-gradient(160deg, #3a3224, #17130f 70%);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  will-change: transform;
  touch-action: none;
  pointer-events: none; /* o track captura o toque — hit area maior e estável no mobile */
  user-select: none;
  -webkit-user-select: none;
}

.knob-emoji {
  line-height: 1;
  pointer-events: none;
}

.track.is-dragging .knob {
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.55),
    0 0 22px color-mix(in srgb, var(--accent) 35%, transparent);
}

.knob.is-done {
  animation: lock-in 420ms cubic-bezier(0.2, 0.9, 0.2, 1) both;
}

.knob-ghost {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 35%, transparent);
  pointer-events: none;
}

.card.is-success .knob-ghost {
  animation: pulse-ring 700ms ease-out both;
}

/* hit area invisível maior no começo da trilha */
.track::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--knob) + 28px);
  z-index: 2;
  pointer-events: none;
}

.status {
  min-height: 1.4em;
  margin: 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.status.is-warn { color: #f0b27a; }
.status.is-ok { color: #e8d59a; }

.foot {
  text-align: center;
  color: rgba(243, 232, 210, 0.35);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes lock-in {
  0% { transform: translate3d(var(--x), -50%, 0) scale(1); }
  55% { transform: translate3d(var(--x), -50%, 0) scale(1.12); }
  100% { transform: translate3d(var(--x), -50%, 0) scale(1); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 40%, transparent); }
  100% { box-shadow: 0 0 0 28px transparent; }
}

@media (prefers-reduced-motion: reduce) {
  .brand,
  .card,
  .knob.is-done,
  .card.is-success .knob-ghost {
    animation: none !important;
  }
  .dest,
  .dest-icon {
    transition: none !important;
  }
}

@media (max-width: 360px) {
  :root {
    --track-h: 78px;
    --knob: 58px;
  }
  .brand-logo { width: min(100%, 300px); }
  .card-title { font-size: 1.35rem; }
}