@keyframes hintAttention {
  0%, 100% {
    box-shadow: var(--shadow);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 22%, transparent), var(--shadow);
    transform: scale(1.06);
  }
}

@keyframes pulse {
  from { filter: brightness(1); }
  to { filter: brightness(1.18); }
}

@keyframes lampFlicker {
  0% {
    color: var(--accent);
    opacity: 1;
    filter: drop-shadow(0 0 .5rem color-mix(in srgb, var(--accent) 65%, transparent));
  }
  12% {
    color: var(--muted);
    opacity: .35;
    filter: none;
  }
  24% {
    color: var(--accent);
    opacity: .9;
    filter: drop-shadow(0 0 .4rem color-mix(in srgb, var(--accent) 55%, transparent));
  }
  36% {
    color: var(--muted);
    opacity: .35;
    filter: none;
  }
  48% {
    color: var(--accent);
    opacity: .75;
    filter: drop-shadow(0 0 .3rem color-mix(in srgb, var(--accent) 40%, transparent));
  }
  60% {
    color: var(--muted);
    opacity: .35;
    filter: none;
  }
  70%, 100% {
    color: var(--muted);
    opacity: .35;
    filter: none;
  }
}

@keyframes wordFound {
  0% { transform: scale(1); }
  35% {
    transform: scale(1.035);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--word-color) 14%, transparent);
  }
  100% { transform: scale(1); }
}

@keyframes cellFound {
  0% { filter: brightness(1); transform: scale(1); }
  40% {
    filter: brightness(1.12);
    transform: scale(.97);
  }
  100% { filter: brightness(1); transform: scale(1); }
}

@keyframes lineDraw {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes shakeSoft {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}

@keyframes starSweep {
  0% {
    opacity: 0;
    transform: translateX(-42%) rotate(8deg);
  }
  22% { opacity: .72; }
  100% {
    opacity: 0;
    transform: translateX(42%) rotate(8deg);
  }
}

@keyframes victoryPop {
  0% { opacity: 0; transform: scale(.92) translateY(.35rem); }
  72% { opacity: 1; transform: scale(1.025) translateY(0); }
  100% { transform: scale(1); }
}

@keyframes rewardPulse {
  0% { transform: scale(.82); opacity: .72; }
  55% { transform: scale(1.18); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes monthlyGoalCelebrate {
  0% { opacity: 0; transform: translateY(.45rem) scale(.96); }
  70% { opacity: 1; transform: translateY(0) scale(1.025); }
  100% { transform: scale(1); }
}

@keyframes blockRewardGlow {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
  35% { box-shadow: 0 0 0 .45rem color-mix(in srgb, var(--accent) 18%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}

@keyframes blockRewardCelebrate {
  0% { opacity: 0; transform: translateY(.42rem) scale(.94); }
  65% { opacity: 1; transform: translateY(0) scale(1.045); }
  100% { transform: scale(1); }
}

@keyframes blockRewardPerfect {
  0% { opacity: 0; transform: translateY(.55rem) scale(.9) rotate(-1deg); }
  54% { opacity: 1; transform: translateY(0) scale(1.07) rotate(1deg); }
  76% { transform: scale(.99) rotate(-.4deg); }
  100% { transform: scale(1) rotate(0); }
}

@keyframes burst {
  0% {
    opacity: 0;
    transform: rotate(var(--burst-rotation, 0deg)) scaleY(.2) translateY(0);
  }
  18% { opacity: 1; }
  100% {
    opacity: 0;
    transform: rotate(var(--burst-rotation, 0deg)) scaleY(1) translateY(-3.8rem);
  }
}

@keyframes introLine {
  0%, 18% { transform: scaleX(.08); opacity: .35; }
  56%, 82% { transform: scaleX(1); opacity: .9; }
  100% { transform: scaleX(.08); opacity: .35; }
}

@keyframes introHand {
  0%, 18% { transform: translateX(0) scale(1); }
  56%, 82% { transform: translateX(10.2rem) scale(1.08); }
  100% { transform: translateX(0) scale(1); }
}

@keyframes introFirework {
  0% {
    opacity: 0;
    transform: scale(.25);
  }
  22% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.35);
  }
}

@keyframes introArrowBounce {
  0%, 100% { transform: translateY(0); opacity: .7; }
  50% { transform: translateY(.22rem); opacity: 1; }
}

@keyframes introSuccessFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-.12rem); }
}

@keyframes introCtaPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 8px 18px rgba(20, 32, 58, .12); }
  50% { transform: scale(1.05); box-shadow: 0 12px 24px rgba(20, 32, 58, .18); }
}

@keyframes introGlowPulse {
  0%, 100% { transform: scale(.92); opacity: .45; }
  50% { transform: scale(1.08); opacity: .8; }
}

@keyframes introSparkle {
  0%, 100% { transform: scale(.9); opacity: .8; }
  50% { transform: scale(1.12); opacity: 1; }
}

@keyframes introConfettiFall {
  0% { transform: translateY(-.6rem) rotate(0deg); opacity: 0; }
  15% { opacity: 1; }
  100% { transform: translateY(5.2rem) rotate(260deg); opacity: 0; }
}

@keyframes dialogIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(8px) scale(.985);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

@keyframes dialogOut {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(6px) scale(.985);
  }
}

@keyframes wordEntry {
  from {
    opacity: 0;
    transform: translateY(.28rem) scale(.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cellEntry {
  from {
    opacity: 0;
    transform: translateY(.18rem) scale(.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes scorePulsePositive {
  0% { box-shadow: var(--shadow); }
  42% {
    border-color: color-mix(in srgb, var(--success) 62%, var(--border));
    background: color-mix(in srgb, var(--success-soft) 74%, var(--panel));
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 18%, transparent);
  }
  100% { box-shadow: var(--shadow); }
}

@keyframes scorePulseNegative {
  0% { box-shadow: var(--shadow); }
  42% {
    border-color: color-mix(in srgb, var(--danger) 60%, var(--border));
    background: color-mix(in srgb, #fee4e2 62%, var(--panel));
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 16%, transparent);
  }
  100% { box-shadow: var(--shadow); }
}

@keyframes gridGenerationSpin {
  to { transform: rotate(360deg); }
}
@keyframes installGlow {
  50% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 58%, transparent), 0 0 26px color-mix(in srgb, var(--accent) 74%, transparent); }
}