/* ============================================
 * Drum Reveal + Success Effects (Phase 4)
 * ============================================ */

.drum-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 8dvh 5vw 15dvh;
  background:
    radial-gradient(circle at 50% 30%, rgba(212, 163, 71, 0.08), transparent 48%),
    linear-gradient(180deg, rgba(10, 10, 15, 0.97), rgba(10, 10, 15, 0.95));
  overflow: hidden;
  transition: background-color 0.45s ease, opacity 0.45s ease;
}

#effect-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.drum-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.6vw, 16px);
  min-height: 200px;
  transform: translateY(-2dvh);
  transition: transform 0.45s ease, opacity 0.45s ease;
}

.drum-dollar {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  color: var(--gold-glow);
  text-shadow: 0 0 20px rgba(241, 196, 15, 0.35);
  margin-right: 4px;
}

.drum-columns {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1vw, 10px);
}

.drum-column {
  width: clamp(42px, 8vw, 70px);
  height: clamp(58px, 10vw, 86px);
  background: linear-gradient(180deg, rgba(26, 26, 38, 0.95), rgba(18, 18, 26, 0.9));
  border: 1px solid rgba(212, 163, 71, 0.18);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 10px 18px rgba(0, 0, 0, 0.4);
}

.drum-strip {
  will-change: transform;
}

.drum-digit {
  height: clamp(58px, 10vw, 86px);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 700;
  line-height: 1;
  color: #f3eee5;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.14);
}

.drum-digit.failure {
  color: #dc143c;
  text-shadow: 0 0 16px rgba(220, 20, 60, 0.45);
}

.drum-column.drum-settled {
  animation: drumSettle 0.34s ease;
}

.drum-column.drum-hesitate {
  animation: drumHesitate 0.14s ease;
}

.markup-display {
  position: absolute;
  top: calc(50% + clamp(58px, 11vw, 94px));
  left: 50%;
  z-index: 3;
  transform: translate(-50%, 0) scale(0.7);
  transform-origin: center;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, #fff5c6 0%, var(--gold-glow) 40%, #c88f14 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(241, 196, 15, 0.35);
  opacity: 0;
}

.markup-display.show {
  animation: markupExplode 0.62s cubic-bezier(0.14, 0.83, 0.27, 1.16) forwards;
}

.btn-accept {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: calc(50% + clamp(136px, 22vw, 198px));
  transform: translateX(-50%) scale(0.84);
  opacity: 0;
  pointer-events: none;
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 2.5vw, 0.98rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #2b1a00;
  background: linear-gradient(135deg, #fff1b4, #f1c40f 58%, #d4a347);
  border: 1px solid rgba(255, 244, 200, 0.5);
  border-radius: 999px;
  padding: 12px 26px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.38), 0 0 20px rgba(241, 196, 15, 0.4);
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn-accept.show {
  animation: acceptFadeIn 0.34s ease forwards;
  pointer-events: auto;
}

.btn-accept:hover {
  transform: translateX(-50%) scale(1.02);
  filter: brightness(1.05);
}

.btn-accept.btn-failure {
  color: #e6dfd4;
  background: linear-gradient(135deg, #35323a, #201f25 58%, #17161c);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.48), 0 0 20px rgba(220, 20, 60, 0.22);
}

.btn-accept.btn-failure:hover {
  filter: brightness(1.12);
}

.btn-accept:disabled {
  opacity: 0.72;
  pointer-events: none;
}

.drum-overlay.effect-sparkle::before,
.drum-overlay.effect-edge-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.drum-overlay.effect-sparkle::before {
  background:
    radial-gradient(circle at 20% 30%, rgba(241, 196, 15, 0.18), transparent 22%),
    radial-gradient(circle at 70% 38%, rgba(255, 255, 255, 0.15), transparent 20%),
    radial-gradient(circle at 54% 64%, rgba(241, 196, 15, 0.16), transparent 24%);
  animation: sparklePulse 0.9s ease;
}

.drum-overlay.effect-edge-glow::before {
  background: radial-gradient(circle at 50% 50%, transparent 52%, rgba(241, 196, 15, 0.22));
  animation: edgePulse 0.95s ease infinite;
}

.drum-overlay.effect-flash::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.24) 38%, rgba(255, 215, 110, 0.15) 62%, transparent);
  animation: screenFlash 0.42s ease;
}

.drum-overlay.effect-shake .drum-container {
  animation: screenShake 0.2s steps(2, end) infinite;
}

.drum-overlay.failure-desaturate {
  filter: grayscale(0.6) brightness(0.7);
}

.drum-overlay.failure-desaturate::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 45%, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.32));
  opacity: 0.8;
}

.drum-overlay.failure-heavy::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 22%, rgba(255, 255, 255, 0.24) 23%, transparent 24%) 14% 0 / 2px 100% no-repeat,
    linear-gradient(95deg, transparent 28%, rgba(255, 255, 255, 0.2) 29%, transparent 30%) 41% 0 / 2px 100% no-repeat,
    linear-gradient(70deg, transparent 36%, rgba(255, 255, 255, 0.16) 37%, transparent 38%) 67% 0 / 2px 100% no-repeat,
    radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.22), transparent 20%),
    radial-gradient(circle at 74% 64%, rgba(255, 255, 255, 0.18), transparent 24%);
  opacity: 0;
  animation: crackAppear 0.32s ease forwards;
}

.drum-overlay.failure-red-flash::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(220, 20, 60, 0.45), rgba(220, 20, 60, 0.2) 44%, transparent 72%);
  animation: redFlash 0.34s ease 3;
}

.drum-overlay.failure-violent-shake .drum-container {
  animation: violentShake 0.1s steps(2, end) infinite;
}

.drum-overlay.failure-door-slam .drum-container {
  animation: doorSlam 0.48s ease forwards;
}

.drum-overlay.drum-overlay-exit {
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.58), rgba(10, 10, 15, 0.2));
}

.drum-overlay.drum-overlay-exit .drum-container,
.drum-overlay.drum-overlay-exit .markup-display,
.drum-overlay.drum-overlay-exit .btn-accept,
.drum-overlay.drum-overlay-exit #effect-canvas {
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

@keyframes drumSettle {
  0% { transform: translateY(-12%); }
  45% { transform: translateY(7%); }
  100% { transform: translateY(0); }
}

@keyframes drumHesitate {
  0% { transform: translateX(0); }
  30% { transform: translateX(-3px); }
  70% { transform: translateX(3px); }
  100% { transform: translateX(0); }
}

@keyframes markupExplode {
  0% { opacity: 0; transform: translate(-50%, 8px) scale(0.2); }
  60% { opacity: 1; transform: translate(-50%, 0) scale(1.26); }
  100% { opacity: 1; transform: translate(-50%, 0) scale(1); }
}

@keyframes acceptFadeIn {
  from { opacity: 0; transform: translateX(-50%) scale(0.84); }
  to { opacity: 1; transform: translateX(-50%) scale(1); }
}

@keyframes sparklePulse {
  0% { opacity: 0; }
  35% { opacity: 0.9; }
  100% { opacity: 0; }
}

@keyframes edgePulse {
  0% { opacity: 0.18; }
  50% { opacity: 0.35; }
  100% { opacity: 0.18; }
}

@keyframes screenFlash {
  0% { opacity: 0; }
  22% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes screenShake {
  0% { transform: translate(-2px, 1px); }
  25% { transform: translate(1px, -1px); }
  50% { transform: translate(-1px, -2px); }
  75% { transform: translate(2px, 1px); }
  100% { transform: translate(0, 0); }
}

@keyframes redFlash {
  0% { opacity: 0; }
  20% { opacity: 1; }
  40% { opacity: 0; }
  60% { opacity: 0.95; }
  100% { opacity: 0; }
}

@keyframes violentShake {
  0% { transform: translate(-8px, 4px) rotate(-0.8deg); }
  25% { transform: translate(6px, -3px) rotate(0.7deg); }
  50% { transform: translate(-5px, -5px) rotate(-0.5deg); }
  75% { transform: translate(8px, 3px) rotate(0.8deg); }
  100% { transform: translate(0, 0) rotate(0); }
}

@keyframes doorSlam {
  0% { transform: translateY(0) scaleY(1); opacity: 1; }
  65% { transform: translateY(8px) scaleY(0.74); opacity: 0.92; }
  100% { transform: translateY(34px) scaleY(0.08); opacity: 0; }
}

@keyframes crackAppear {
  from { opacity: 0; }
  to { opacity: 0.88; }
}

@media (max-width: 480px) {
  .drum-overlay {
    padding: 9dvh 5vw 16dvh;
  }

  .drum-container {
    transform: translateY(-1dvh);
  }

  .btn-accept {
    width: min(88vw, 340px);
    text-align: center;
  }
}