/* QuantaCade Build Package 003 - Tetris v1 */
.qc-tetris-wrap {
  --qc-bg: #090b1f;
  --qc-card: rgba(255,255,255,.08);
  --qc-card2: rgba(255,255,255,.12);
  --qc-border: rgba(255,255,255,.18);
  --qc-text: #f6f7ff;
  --qc-muted: rgba(246,247,255,.72);
  --qc-good: #35e6a5;
  --qc-warn: #ffd166;
  --qc-bad: #ff6b6b;
  --qc-accent: #79d8ff;
  --qc-accent2: #bd7bff;
  color: var(--qc-text);
  background:
    radial-gradient(circle at 20% 10%, rgba(121,216,255,.22), transparent 32%),
    radial-gradient(circle at 84% 22%, rgba(189,123,255,.18), transparent 34%),
    linear-gradient(135deg, #070817, #10143a 45%, #070817);
  border: 1px solid var(--qc-border);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 18px 55px rgba(0,0,0,.35);
  overflow: hidden;
  position: relative;
}
.qc-tetris-wrap * { box-sizing: border-box; }
.qc-tetris-header { display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.qc-tetris-kicker { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--qc-accent); font-weight: 800; }
.qc-tetris-title { margin: 3px 0 4px; font-size: clamp(28px, 4vw, 44px); line-height: 1; font-weight: 900; }
.qc-tetris-subtitle { margin: 0; color: var(--qc-muted); max-width: 850px; }
.qc-tetris-pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--qc-border); background: rgba(255,255,255,.08); padding: 8px 12px; border-radius: 999px; font-weight: 800; white-space: nowrap; }
.qc-tetris-grid { display: grid; grid-template-columns: minmax(280px, 420px) minmax(260px, 1fr); gap: 18px; align-items: start; }
.qc-tetris-board-card, .qc-tetris-panel { background: var(--qc-card); border: 1px solid var(--qc-border); border-radius: 18px; padding: 14px; backdrop-filter: blur(10px); }
.qc-tetris-board-shell { width: min(100%, 360px); margin: 0 auto; border-radius: 14px; padding: 10px; background: rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.16); }
#qcTetrisCanvas { display: block; width: 100%; height: auto; aspect-ratio: 1 / 2; background: #050711; border-radius: 10px; image-rendering: pixelated; }
.qc-tetris-status { margin-top: 10px; min-height: 28px; color: var(--qc-muted); font-size: 14px; }
.qc-tetris-stats { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-bottom: 14px; }
.qc-tetris-stat { background: rgba(0,0,0,.22); border: 1px solid rgba(255,255,255,.14); border-radius: 14px; padding: 10px; }
.qc-tetris-stat span { display: block; color: var(--qc-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.qc-tetris-stat strong { display: block; margin-top: 3px; font-size: 24px; line-height: 1; }
.qc-tetris-controls, .qc-tetris-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.qc-tetris-btn, .qc-tetris-select { border: 1px solid var(--qc-border); border-radius: 12px; background: rgba(255,255,255,.11); color: var(--qc-text); padding: 10px 12px; font-weight: 800; min-height: 42px; }
.qc-tetris-btn { cursor: pointer; transition: transform .12s ease, background .12s ease, border-color .12s ease; }
.qc-tetris-btn:hover { transform: translateY(-1px); background: rgba(255,255,255,.18); border-color: rgba(121,216,255,.55); }
.qc-tetris-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.qc-tetris-btn-primary { background: linear-gradient(135deg, rgba(121,216,255,.42), rgba(189,123,255,.38)); border-color: rgba(121,216,255,.72); }
.qc-tetris-btn-danger { border-color: rgba(255,107,107,.55); }
.qc-tetris-help { color: var(--qc-muted); font-size: 13px; line-height: 1.45; }
.qc-tetris-mobile-pad { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 14px; }
.qc-tetris-mobile-pad button { min-height: 48px; border-radius: 14px; border: 1px solid var(--qc-border); background: rgba(255,255,255,.12); color: var(--qc-text); font-weight: 900; font-size: 18px; }
.qc-tetris-log { max-height: 190px; overflow: auto; background: rgba(0,0,0,.22); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 10px; font-size: 12px; color: var(--qc-muted); }
.qc-tetris-log div { padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.qc-tetris-log div:last-child { border-bottom: 0; }
.qc-tetris-overlay { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; background: rgba(5,7,17,.72); z-index: 2; padding: 24px; text-align: center; }
.qc-tetris-overlay.is-visible { display: flex; }
.qc-tetris-overlay-card { max-width: 460px; background: rgba(13,16,46,.94); border: 1px solid rgba(255,255,255,.18); border-radius: 20px; padding: 22px; box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.qc-tetris-overlay-card h3 { margin: 0 0 8px; font-size: 28px; }
.qc-tetris-overlay-card p { margin: 0; color: var(--qc-muted); }
@media (max-width: 820px) {
  .qc-tetris-header { display: block; }
  .qc-tetris-pill { margin-top: 10px; }
  .qc-tetris-grid { grid-template-columns: 1fr; }
  .qc-tetris-stats { grid-template-columns: repeat(2, 1fr); }
  .qc-tetris-mobile-pad { position: sticky; bottom: 8px; z-index: 3; background: rgba(9,11,31,.82); padding: 8px; border-radius: 16px; border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(10px); }
}

/* QuantaCade Tetris Audio Build 002 - match Energy Snake audio controls */
.qc-tetris-audio-panel,
.qc-tetris-audio-panel * {
  box-sizing: border-box;
}

.qc-tetris-audio-panel {
  margin: 14px 0 12px;
  padding: 14px;
  border: 1px solid rgba(120,220,255,.22);
  border-radius: 16px;
  background:
    radial-gradient(circle at 14% 12%, rgba(120,220,255,.10), transparent 30%),
    radial-gradient(circle at 84% 24%, rgba(154,140,255,.10), transparent 34%),
    linear-gradient(135deg, rgba(5,8,28,.58), rgba(28,31,72,.42));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.05),
    inset 0 0 28px rgba(120,220,255,.04),
    0 12px 28px rgba(0,0,0,.14);
  overflow: hidden;
  position: relative;
}

.qc-tetris-audio-panel:before {
  content: "";
  position: absolute;
  inset: -70% -42%;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 36%, rgba(120,220,255,.08) 48%, rgba(255,211,111,.10) 51%, transparent 64%);
  opacity: .20;
  transform: translateX(-72%) rotate(1deg);
  animation: qcTetrisAudioSweep 11s ease-in-out infinite;
}

.qc-tetris-audio-panel > * {
  position: relative;
  z-index: 1;
}

.qc-tetris-audio-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.qc-tetris-audio-head span {
  color: rgba(233,241,255,.78);
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.qc-tetris-audio-stack {
  display: grid;
  gap: 10px;
}

.qc-tetris-audio-row {
  display: grid;
  grid-template-columns: minmax(86px, 110px) minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 64px;
  padding: 10px 12px;
  border: 1px solid rgba(120,220,255,.14);
  border-radius: 14px;
  background: rgba(5,8,28,.38);
  color: rgba(248,251,255,.88);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

.qc-tetris-audio-row span {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.qc-tetris-audio-row strong {
  color: rgba(248,251,255,.88);
  font-size: .73rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.05;
}

.qc-tetris-audio-row em {
  color: var(--qc-warn, #ffd36f);
  font-size: .72rem;
  font-style: normal;
  font-weight: 950;
  line-height: 1.05;
  text-shadow: 0 0 10px rgba(255,211,111,.22);
}

.qc-tetris-audio-row input[type="range"] {
  width: 100%;
  cursor: pointer;
  accent-color: var(--qc-warn, #ffd36f);
}

.qc-tetris-audio-row select {
  width: 100%;
  min-height: 40px;
  border: 1px solid rgba(120,220,255,.26);
  border-radius: 12px;
  background: rgba(5,8,28,.72);
  color: #f8fbff;
  padding: 8px 10px;
  font-weight: 900;
}

.qc-tetris-audio-test {
  min-height: 40px;
  border-radius: 999px !important;
  padding: 8px 14px !important;
  color: #f8fbff !important;
  -webkit-text-fill-color: #f8fbff !important;
  border-color: rgba(120,220,255,.38) !important;
  background: rgba(255,255,255,.055) !important;
  white-space: nowrap;
}

.qc-tetris-audio-test:hover,
.qc-tetris-audio-test:focus,
.qc-tetris-audio-test:focus-visible {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  border-color: rgba(255,211,111,.82) !important;
  background: rgba(255,211,111,.10) !important;
  box-shadow:
    0 0 0 2px rgba(255,211,111,.34),
    0 0 24px rgba(255,211,111,.40),
    0 0 48px rgba(255,211,111,.22),
    inset 0 0 22px rgba(255,211,111,.11),
    inset 0 1px 0 rgba(255,255,255,.08) !important;
  outline: none !important;
}

@keyframes qcTetrisAudioSweep {
  0%, 34% { transform: translateX(-72%) rotate(1deg); opacity: 0; }
  48% { opacity: .26; }
  68% { transform: translateX(72%) rotate(1deg); opacity: .18; }
  100% { transform: translateX(72%) rotate(1deg); opacity: 0; }
}

@media (max-width: 700px) {
  .qc-tetris-audio-head {
    align-items: stretch;
    flex-direction: column;
  }
  .qc-tetris-audio-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .qc-tetris-audio-test {
    width: 100%;
  }
}