/* Scratch card engine (3x3 panels). Everything is scoped to qt-scratch-*. */

.qt-scratch-root {
  --qt-scratch-play: min(100%, 470px, calc(100svh - 400px));
  position: relative;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  justify-items: center;
  gap: clamp(10px, 2vw, 16px);
  padding: clamp(6px, 1.5vw, 14px) 0 clamp(10px, 2vw, 18px);
  color: var(--qt-ink, #f6f1ff);
  -webkit-tap-highlight-color: transparent;
}

/* ---------- ticket ---------- */
.qt-scratch-card {
  position: relative;
  width: fit-content;
  max-width: 100%;
  box-sizing: border-box;
  padding: clamp(12px, 2vw, 20px);
  border-radius: clamp(18px, 2.6vw, 26px);
  background:
    radial-gradient(130% 80% at 0% 0%, color-mix(in srgb, var(--qt-accent, #ff6b8b) 45%, transparent), transparent 60%),
    radial-gradient(120% 90% at 100% 100%, color-mix(in srgb, var(--qt-accent, #ff6b8b) 30%, transparent), transparent 55%),
    linear-gradient(160deg, rgba(34, 14, 46, .94), rgba(14, 6, 24, .96));
  border: 1px solid rgba(255, 255, 255, .22);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--qt-accent, #ff6b8b) 55%, transparent),
    0 0 46px color-mix(in srgb, var(--qt-accent, #ff6b8b) 30%, transparent),
    0 26px 60px rgba(0, 0, 0, .55),
    inset 0 1px 0 rgba(255, 255, 255, .3);
}
.qt-scratch-card::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: inherit;
  border: 1.5px dashed rgba(255, 255, 255, .2);
  pointer-events: none;
}
.qt-scratch-card.is-fresh { animation: qt-scratch-deal .32s ease-out; }

.qt-scratch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  margin-bottom: clamp(10px, 1.6vw, 14px);
  padding: 0 4px;
}
.qt-scratch-title {
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.05;
  background: linear-gradient(180deg, #fff, color-mix(in srgb, var(--qt-accent, #ff6b8b) 40%, #fff));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0, 0, 0, .35));
}
.qt-scratch-rule {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--qt-gold, #ffcf4a);
}

.qt-scratch-body {
  display: grid;
  grid-template-columns: var(--qt-scratch-play) minmax(190px, 230px);
  gap: clamp(12px, 2vw, 20px);
  align-items: stretch;
}

/* ---------- panels ---------- */
.qt-scratch-play {
  position: relative;
  width: var(--qt-scratch-play);
  aspect-ratio: 1;
  min-width: 240px;
}
.qt-scratch-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: clamp(6px, 1.2vw, 10px);
}
.qt-scratch-panel {
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 14%;
  background:
    radial-gradient(circle at 50% 38%, #fffdf7 0%, #fbf1ff 55%, color-mix(in srgb, var(--qt-accent, #ff6b8b) 22%, #efe3f7) 100%);
  box-shadow: inset 0 2px 6px rgba(60, 20, 60, .25), inset 0 -2px 0 rgba(255, 255, 255, .6), 0 2px 0 rgba(0, 0, 0, .3);
  transition: opacity .25s ease-out, filter .25s ease-out;
}
.qt-scratch-panel-img {
  width: 76%;
  height: 76%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 4px 5px rgba(60, 20, 40, .35));
}
.qt-scratch-panel-img:not([src]) { visibility: hidden; }
.qt-scratch-panel.is-open .qt-scratch-panel-img { animation: qt-scratch-pop .3s ease-out; }
.qt-scratch-panel.is-match {
  box-shadow:
    0 0 0 3px var(--qt-gold, #ffcf4a),
    0 0 26px rgba(255, 196, 60, .85),
    inset 0 2px 6px rgba(60, 20, 60, .2);
}
.qt-scratch-panel.is-match .qt-scratch-panel-img { animation: qt-scratch-throb .5s ease-out infinite alternate; }
.qt-scratch-panel.is-dim { opacity: .5; filter: saturate(.55); }

.qt-scratch-foil {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
  transition: opacity .3s ease-out;
}
.qt-scratch-foil.is-off { opacity: 0; pointer-events: none; }

.qt-scratch-hint {
  position: absolute;
  left: 50%;
  top: 50%;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(14, 6, 24, .82);
  border: 1px solid rgba(255, 255, 255, .3);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.95);
  transition: opacity .2s ease-out, transform .2s ease-out;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .4);
}
.qt-scratch-hint.is-on { opacity: 1; transform: translate(-50%, -50%); }

/* ---------- legend ---------- */
.qt-scratch-legend {
  list-style: none;
  margin: 0;
  padding: 10px;
  display: grid;
  grid-auto-rows: 1fr;
  gap: 6px;
  border-radius: 16px;
  background: rgba(0, 0, 0, .28);
  border: 1px solid rgba(255, 255, 255, .1);
}
.qt-scratch-legend-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 10px;
  padding: 4px 10px 4px 6px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
  transition: background-color .2s ease-out, box-shadow .2s ease-out;
}
.qt-scratch-legend-img {
  grid-row: 1 / 3;
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, .4));
}
.qt-scratch-legend-val {
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--qt-gold, #ffcf4a);
}
.qt-scratch-legend-odds { font-size: 11px; font-weight: 700; color: var(--qt-muted, #b9add6); }
.qt-scratch-legend-item.is-hit {
  background: linear-gradient(90deg, rgba(255, 207, 74, .38), rgba(255, 207, 74, .1));
  box-shadow: inset 0 0 0 2px var(--qt-gold, #ffcf4a), 0 0 18px rgba(255, 196, 60, .4);
}

.qt-scratch-status {
  margin: clamp(10px, 1.6vw, 14px) 0 0;
  min-height: 1.4em;
  text-align: center;
  font-size: clamp(14px, 1.8vw, 16px);
  font-weight: 700;
}

/* ---------- controls ---------- */
.qt-scratch-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.qt-scratch-go,
.qt-scratch-reveal {
  appearance: none;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  transition: transform .14s ease-out, filter .2s ease-out, opacity .2s ease-out, box-shadow .2s ease-out;
}
.qt-scratch-go {
  display: inline-grid;
  justify-items: center;
  min-width: 190px;
  padding: 12px 34px 10px;
  border: 0;
  color: #241005;
  background: radial-gradient(120% 140% at 50% 0%, #fff1dc 0%, var(--qt-ember, #ffa63d) 45%, #d46a12 90%);
  box-shadow:
    0 6px 0 #6e2c00,
    0 12px 26px rgba(0, 0, 0, .45),
    0 0 30px color-mix(in srgb, var(--qt-ember, #ffa63d) 50%, transparent),
    inset 0 -6px 12px rgba(0, 60, 0, .25),
    inset 0 4px 6px rgba(255, 255, 255, .6);
}
.qt-scratch-golabel { font-size: 19px; font-weight: 900; letter-spacing: .04em; text-transform: uppercase; line-height: 1.1; }
.qt-scratch-goprice { font-size: 12px; font-weight: 800; opacity: .75; font-variant-numeric: tabular-nums; }
.qt-scratch-go:hover { filter: brightness(1.06); }
.qt-scratch-go:active { transform: translateY(3px) scale(.98); }
.qt-scratch-go:disabled { cursor: default; filter: saturate(.5) brightness(.8); }
.qt-scratch-reveal {
  min-height: 48px;
  padding: 10px 22px;
  border: 1px solid rgba(255, 255, 255, .3);
  color: var(--qt-ink, #f6f1ff);
  font-size: 15px;
  font-weight: 800;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, .2), rgba(255, 255, 255, .04) 70%), rgba(14, 6, 24, .8);
  box-shadow: 0 4px 0 rgba(0, 0, 0, .45), 0 8px 18px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.qt-scratch-reveal:hover:not(:disabled) { border-color: color-mix(in srgb, var(--qt-accent, #ff6b8b) 70%, #fff); }
.qt-scratch-reveal:active:not(:disabled) { transform: translateY(2px) scale(.98); }
.qt-scratch-reveal:disabled { opacity: .45; cursor: default; }
.qt-scratch-go:focus-visible,
.qt-scratch-reveal:focus-visible { outline: 3px solid var(--qt-ember, #ffa63d); outline-offset: 3px; }

@media (max-width: 720px) {
  .qt-scratch-root { --qt-scratch-play: min(100%, calc(100svh - 400px), 520px); }
  .qt-scratch-card { width: 100%; }
  .qt-scratch-body { grid-template-columns: 1fr; justify-items: center; }
  .qt-scratch-play { min-width: 0; width: min(100%, max(260px, var(--qt-scratch-play))); }
  .qt-scratch-legend {
    order: -1;
    width: 100%;
    box-sizing: border-box;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: auto;
    padding: 6px;
    gap: 4px;
  }
  .qt-scratch-legend-item { grid-template-columns: 30px 1fr; column-gap: 6px; padding: 3px 6px 3px 3px; }
  .qt-scratch-legend-img { width: 30px; height: 30px; }
  .qt-scratch-legend-val { font-size: 14px; }
  .qt-scratch-legend-odds { font-size: 10px; }
  .qt-scratch-go { min-width: 160px; padding: 10px 26px 9px; }
}

/* ---------- motion ---------- */
@keyframes qt-scratch-pop { 0% { transform: scale(.85); } 60% { transform: scale(1.08); } 100% { transform: scale(1); } }
@keyframes qt-scratch-throb { from { transform: scale(1); } to { transform: scale(1.1); } }
@keyframes qt-scratch-deal { from { transform: scale(.97); opacity: .7; } to { transform: none; opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .qt-scratch-card.is-fresh,
  .qt-scratch-panel.is-open .qt-scratch-panel-img,
  .qt-scratch-panel.is-match .qt-scratch-panel-img { animation: none; }
  .qt-scratch-foil { transition: none; }
}