:root {
  --bg-0: #04060d;
  --bg-1: #0a1020;
  --panel: rgba(8, 14, 30, 0.76);
  --line: rgba(34, 211, 238, 0.28);
  --text: #dbe8ff;
  --muted: #7f90b8;
  --cyan: #22d3ee;
  --indigo: #6366f1;
  --glow: 0 0 22px rgba(34, 211, 238, 0.36);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --panel-max-width: 720px;
  --panel-edge-gap: clamp(10px, 3vw, 24px);
  --shell-pad-x: clamp(10px, 2.5vw, 18px);
  --shell-pad-y: clamp(14px, 3.8vh, 32px);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Space Mono", "Cascadia Mono", "Consolas", "Lucida Console", monospace;
  background:
    radial-gradient(circle at 50% 35%, rgba(11, 26, 54, 0.92) 0%, rgba(5, 9, 21, 0.98) 44%, rgba(2, 4, 10, 1) 100%),
    radial-gradient(circle at 20% 18%, rgba(14, 165, 233, 0.22), transparent 36%),
    radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.2), transparent 38%);
  min-height: 100svh;
  min-height: 100dvh;
  overflow-y: auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(125, 144, 184, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(125, 144, 184, 0.06) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 82%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: rgba(1, 3, 10, 0);
  transition: background-color 420ms ease;
}

body.cinematic-dim::after {
  background: rgba(1, 3, 10, 0.05);
}

.corner-character {
  position: fixed;
  right: clamp(0px, 8vw, 146px);
  bottom: 0;
  width: auto;
  height: clamp(240px, 78svh, 860px);
  max-width: min(45vw, 640px);
  z-index: 2;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 18px 42px rgba(0, 0, 0, 0.52)) saturate(0.93);
  transform: translateY(14px) scale(0.92);
  transform-origin: right bottom;
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms ease, transform 320ms ease;
  -webkit-mask-image: linear-gradient(to left, transparent 0%, black 60%);
  mask-image: linear-gradient(to left, transparent 0%, black 60%);
}

.corner-character-left {
  position: fixed;
  left: clamp(10px, 3vw, 46px);
  bottom: 0;
  width: auto;
  height: clamp(240px, 78svh, 860px);
  max-width: min(45vw, 640px);
  z-index: 2;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 18px 42px rgba(0, 0, 0, 0.52)) saturate(0.93);
  transform: translateY(14px) scale(0.92);
  transform-origin: left bottom;
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms ease, transform 320ms ease;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 60%);
  mask-image: linear-gradient(to right, transparent 0%, black 60%);
}

body.reveal-active .corner-character,
body.reveal-active .corner-character-left {
  opacity: 0.85;
  visibility: visible;
  transform: translateY(0) scale(1);
}

body.reveal-active .corner-character {
  transform: translateY(0) scale(0.97);
}

body.reveal-active .corner-character-left {
  transform: translateY(0) scale(0.97);
}

.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

.glitch-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  background:
    repeating-linear-gradient(0deg,
      rgba(255, 255, 255, 0) 0px,
      rgba(255, 255, 255, 0) 6px,
      rgba(255, 255, 255, 0.12) 7px,
      rgba(255, 255, 255, 0) 9px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.2), rgba(99, 102, 241, 0.2));
  opacity: 0;
}

.app-shell {
  position: relative;
  z-index: 3;
  width: 100%;
  min-height: 100%;
  display: grid;
  place-items: center;
  padding-top: calc(var(--shell-pad-y) + var(--safe-top));
  padding-right: calc(var(--shell-pad-x) + var(--safe-right));
  padding-bottom: calc(var(--shell-pad-y) + var(--safe-bottom));
  padding-left: calc(var(--shell-pad-x) + var(--safe-left));
}

.timer-panel,
.reveal-panel {
  position: relative;
  width: min(var(--panel-max-width), calc(100vw - (var(--panel-edge-gap) * 2) - var(--safe-left) - var(--safe-right)));
  border: 1px solid var(--line);
  border-radius: clamp(16px, 2.4vw, 24px);
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 34px rgba(34, 211, 238, 0.2),
    0 24px 80px rgba(0, 0, 0, 0.48),
    inset 0 0 24px rgba(34, 211, 238, 0.08);
  padding: clamp(16px, 2.8vw, 28px) clamp(10px, 2.2vw, 18px) clamp(14px, 2.4vw, 24px);
  text-align: center;
}

.reveal-panel::before {
  content: "";
  position: absolute;
  inset: -60px;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.10) 0%, rgba(99, 102, 241, 0.06) 40%, transparent 70%);
  pointer-events: none;
}

.eyebrow {
  margin: 0;
  color: var(--cyan);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

h1,
h2 {
  margin: 10px 0 16px;
  font-size: clamp(1.35rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mystery-text {
  margin: 0 0 14px;
  color: #b8caf0;
  font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-height: 1.2em;
  opacity: 0.94;
}

.ring-wrap {
  position: relative;
  width: clamp(240px, 64vw, 420px);
  max-width: 100%;
  margin: 0 auto 18px;
}

.countdown-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.22));
}

.ring-track {
  fill: none;
  stroke: rgba(148, 163, 184, 0.16);
  stroke-width: 11;
}

.ring-progress {
  fill: none;
  stroke: url(#ringGradient);
  stroke-width: 11;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 160px 160px;
  transition: stroke-dashoffset 0.95s cubic-bezier(0.22, 1, 0.36, 1);
  filter: drop-shadow(0 0 14px rgba(34, 211, 238, 0.58));
  will-change: stroke-dashoffset;
}

.ring-dashed {
  fill: none;
  stroke: rgba(219, 232, 255, 0.14);
  stroke-width: 2;
  stroke-dasharray: 2 9;
  animation: spin 18s linear infinite;
  transform-origin: 160px 160px;
}

.ring-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
}

.main-digital {
  margin: 0;
  font-size: clamp(1.25rem, 4.8vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #eaf3ff;
  text-shadow: var(--glow);
}

.center-label {
  margin: 0;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.2em;
}

.unit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(8px, 1.8vw, 10px);
}

.unit-card {
  border: 1px solid rgba(125, 144, 184, 0.34);
  border-radius: 14px;
  padding: 12px 8px;
  background: rgba(4, 8, 18, 0.62);
}

.unit-value {
  margin: 0;
  font-size: clamp(1rem, 3.5vw, 1.4rem);
  color: #f3f7ff;
  text-shadow: var(--glow);
}

.unit-label {
  margin: 6px 0 0;
  font-size: 0.66rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.meta {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: clamp(0.68rem, 1.9vw, 0.72rem);
  letter-spacing: 0.06em;
}

.reveal-panel p {
  margin: 10px 0;
  color: var(--text);
}

.cake-stage {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2.2vw, 18px);
}

.reveal-panel .stage-title {
  margin: 0 0 8px;
  color: #c8d8ff;
  font-size: clamp(0.84rem, 2.4vw, 1rem);
  letter-spacing: 0.06em;
  text-transform: none;
  opacity: 0.9;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}

.birthday-cake {
  --cake-scale: 1.05;
  width: min(560px, 100%);
  min-height: 280px;
  margin: clamp(22px, 4vw, 34px) auto 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow: visible;
}

.cake-wrap {
  --vanilla: #f0e4d0;
  --chocolate: #553c13;
  position: relative;
  width: 250px;
  height: 200px;
  transform: translateZ(0) scale(var(--cake-scale));
  transform-origin: center top;
}

.cake-wrap>* {
  position: absolute;
}

.number-candle-27 {
  left: 50%;
  top: -72px;
  transform: translateX(-50%) scale(0.78);
  transform-origin: center bottom;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  pointer-events: none;
  z-index: 24;
  filter: drop-shadow(0 10px 12px rgba(0, 0, 0, 0.24));
}

.number-candle-27::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 62px;
  width: 232px;
  height: 50px;
  transform: translateX(-50%);
  border-radius: 50%;
  z-index: -1;
}

.digit-candle::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 64px;
  height: 14px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.15) 50%, transparent 100%);
  z-index: 4;
  pointer-events: none;
}

.digit-candle {
  position: relative;
  width: 92px;
  aspect-ratio: 240 / 330;
  margin: 0;
}

.digit-candle svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.digit-layer text {
  font-size: 260px;
  font-weight: 900;
  font-family: "Arial Rounded MT Bold", "Trebuchet MS", "Segoe UI", sans-serif;
  letter-spacing: -3px;
}

.digit-outline-outer {
  fill: none;
  stroke: #ffffff;
  stroke-width: 22px;
  stroke-linejoin: round;
  paint-order: stroke fill;
}

.digit-outline-inner {
  fill: none;
  stroke: #cc2d86;
  stroke-width: 8px;
  stroke-linejoin: round;
  paint-order: stroke fill;
  opacity: 0.95;
}

.digit-fill {
  fill: url(#wax2Main);
}

.seven-fill {
  fill: url(#wax7Main);
}

.digit-shade {
  fill: url(#pinkShade2Main);
}

.seven-shade {
  fill: url(#pinkShade7Main);
}

.digit-shine {
  fill: url(#shine2Main);
}

.seven-shine {
  fill: url(#shine7Main);
}

.digit-dots {
  fill: url(#sprinkles2Main);
  opacity: 0.92;
}

.seven-dots {
  fill: url(#sprinkles7Main);
}

.digit-wick {
  position: absolute;
  left: 51%;
  top: 2%;
  width: 4px;
  height: 40px;
  transform: translateX(-50%) rotate(2deg);
  background: linear-gradient(180deg, #1f1f22 0%, #000 100%);
  border-radius: 6px;
  z-index: 6;
}

.digit-seven .digit-wick {
  left: 48%;
  transform: translateX(-50%) rotate(-1deg);
}

.digit-flame {
  --flame-rotate: 0deg;
  position: absolute;
  left: 50%;
  top: -18%;
  width: 34px;
  height: 62px;
  transform: translateX(-50%) rotate(var(--flame-rotate));
  transform-origin: 50% 90%;
  border-radius: 50% 50% 48% 48% / 68% 68% 40% 40%;
  background: radial-gradient(circle at 52% 24%, rgba(255, 255, 228, 0.98) 0 24%, rgba(255, 242, 178, 0.94) 48%, rgba(255, 204, 112, 0.72) 80%, rgba(255, 192, 103, 0) 100%);
  box-shadow:
    0 0 13px rgba(255, 200, 100, 0.40),
    0 0 27px rgba(255, 180, 80, 0.28);
  animation: flameFlicker 1.16s ease-in-out infinite;
  z-index: 7;
  will-change: transform, opacity;
}

.digit-flame::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 55%;
  width: 24px;
  height: 24px;
  transform: translateX(-50%) scale(1);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 197, 119, 0.56) 0%, rgba(255, 197, 119, 0.26) 46%, rgba(255, 197, 119, 0) 100%);
  opacity: 0.56;
}

.digit-flame::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 16px;
  width: 10px;
  height: 12px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: rgba(255, 246, 206, 0.9);
}

.digit-seven .digit-flame {
  --flame-rotate: -1deg;
  left: 48%;
  animation-delay: -280ms;
}

.digit-smoke {
  --smoke-delay: 0ms;
  position: absolute;
  left: 50%;
  top: -8%;
  width: 12px;
  height: 12px;
  transform: translate(-50%, 0) scale(0.35);
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(210, 220, 235, 0.75) 0%, rgba(167, 181, 204, 0.35) 55%, rgba(167, 181, 204, 0) 100%);
  opacity: 0;
  will-change: transform, opacity;
  z-index: 8;
}

.digit-seven .digit-smoke {
  --smoke-delay: 120ms;
}

.digit-base {
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 72px;
  height: 18px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(180deg, #e5e5e1 0%, #c5c7c7 100%);
  box-shadow:
    inset 0 2px 3px rgba(255, 255, 255, 0.42),
    0 3px 8px rgba(21, 27, 33, 0.2);
  z-index: 5;
}

.cake-plate {
  width: 270px;
  height: 110px;
  bottom: -10px;
  left: -10px;
  border-radius: 50%;
  background-color: #ccc;
  box-shadow:
    0 2px 0 color-mix(in srgb, #ccc 90%, black),
    0 4px 0 color-mix(in srgb, #ccc 90%, black),
    0 5px 40px rgba(0, 0, 0, 0.5);
}

.cake-layer {
  display: block;
  width: 250px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--chocolate);
  box-shadow:
    0 2px 0 color-mix(in srgb, var(--chocolate) 95%, white),
    0 4px 0 color-mix(in srgb, var(--chocolate) 91.8%, black),
    0 6px 0 color-mix(in srgb, var(--chocolate) 91.6%, black),
    0 8px 0 color-mix(in srgb, var(--chocolate) 91.4%, black),
    0 10px 0 color-mix(in srgb, var(--chocolate) 91.2%, black),
    0 12px 0 color-mix(in srgb, var(--chocolate) 91%, black),
    0 14px 0 color-mix(in srgb, var(--chocolate) 90.8%, black),
    0 16px 0 color-mix(in srgb, var(--chocolate) 90.6%, black),
    0 18px 0 color-mix(in srgb, var(--chocolate) 90.4%, black),
    0 20px 0 color-mix(in srgb, var(--chocolate) 90.2%, black),
    0 22px 0 color-mix(in srgb, var(--chocolate) 90%, black),
    0 24px 0 color-mix(in srgb, var(--chocolate) 89.8%, black),
    0 26px 0 color-mix(in srgb, var(--chocolate) 89.6%, black),
    0 28px 0 color-mix(in srgb, var(--chocolate) 89.4%, black),
    0 30px 0 color-mix(in srgb, var(--chocolate) 89.2%, black);
}

.cake-layer-top {
  top: 0;
  z-index: 6;
}

.cake-layer-middle {
  top: 33px;
  z-index: 5;
}

.cake-layer-bottom {
  top: 66px;
  z-index: 4;
}

.icing {
  top: 2px;
  left: 5px;
  width: 240px;
  height: 90px;
  border-radius: 50%;
  background-color: var(--vanilla);
  z-index: 7;
}

.icing::before {
  content: "";
  position: absolute;
  top: 4px;
  right: 5px;
  bottom: 6px;
  left: 5px;
  border-radius: 50%;
  background-color: color-mix(in srgb, var(--vanilla) 97%, white 3%);
  box-shadow:
    0 0 4px color-mix(in srgb, var(--vanilla) 95%, white),
    0 0 4px color-mix(in srgb, var(--vanilla) 95%, white),
    0 0 4px color-mix(in srgb, var(--vanilla) 95%, white);
}

.drip {
  display: block;
  width: 50px;
  height: 60px;
  border-bottom-left-radius: 25px;
  border-bottom-right-radius: 25px;
  background-color: var(--vanilla);
  z-index: 6;
}

.drip1 {
  top: 53px;
  left: 5px;
  width: 40px;
  height: 48px;
  transform: skewY(15deg);
}

.drip2 {
  top: 69px;
  left: 181px;
  transform: skewY(-15deg);
}

.drip3 {
  top: 54px;
  left: 90px;
  width: 80px;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
}

.blow-btn {
  margin-top: 6px;
  padding: 12px clamp(18px, 6vw, 24px);
  border: 1px solid rgba(74, 203, 255, 0.48);
  border-radius: 999px;
  background: rgba(6, 13, 32, 0.56);
  color: #dff1ff;
  font: inherit;
  font-size: 0.88rem;
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  letter-spacing: 0.08em;
  text-transform: none;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.blow-btn:hover {
  transform: scale(1.03);
  border-color: rgba(116, 224, 255, 0.74);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.28), inset 0 0 8px rgba(34, 211, 238, 0.12);
}

.blow-btn:active {
  transform: scale(0.99);
}

.blow-btn.is-used {
  cursor: default;
  opacity: 0.72;
  pointer-events: none;
}

.birthday-message {
  margin-top: 18px;
  display: grid;
  justify-items: center;
  gap: 8px;
  max-width: min(54ch, 100%);
  margin-left: auto;
  margin-right: auto;
}

.birthday-message p {
  margin: 0;
  line-height: 1.58;
  color: rgba(219, 232, 255, 0.85);
}

.birthday-message .message-main,
.birthday-message .message-final,
.birthday-message .signature {
  opacity: 1;
}

.birthday-message .message-main {
  font-size: clamp(0.94rem, 2.5vw, 1.04rem);
}

.birthday-message .message-final {
  font-size: clamp(1rem, 2.6vw, 1.16rem);
  color: rgba(219, 232, 255, 0.9);
}

.birthday-message .signature {
  margin-top: 4px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(219, 232, 255, 0.6);
}

.reveal-panel.blown .digit-flame {
  animation: flameOut 600ms ease forwards;
}

.reveal-panel.blown .digit-flame::before {
  animation: glowOut 600ms ease forwards;
}

.reveal-panel.blown .digit-smoke {
  animation: smokeRise 1s ease-out forwards;
  animation-delay: var(--smoke-delay);
}

.reveal-panel.blown .blow-btn {
  opacity: 0.58;
  transform: scale(0.98);
}

.timer-panel.fade-out {
  animation: countdownFadeOut 1.1s ease forwards;
}

.glitch-layer.active {
  animation: glitchPulse 850ms steps(2, end) forwards;
}

.reveal-panel.reveal-in {
  animation: revealIn 900ms ease forwards;
}

.hidden {
  display: none;
}

.fade-out-fast {
  animation: fadeOutFast 400ms ease forwards;
}

@keyframes countdownFadeOut {
  from {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }

  to {
    opacity: 0;
    transform: scale(0.94);
    filter: blur(6px);
  }
}

@keyframes fadeOutFast {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(6px);
  }
}

@keyframes glitchPulse {
  0% {
    opacity: 0;
    transform: translate(0, 0);
  }

  20% {
    opacity: 0.85;
    transform: translate(-10px, 2px);
  }

  40% {
    opacity: 0.55;
    transform: translate(8px, -3px);
  }

  60% {
    opacity: 0.75;
    transform: translate(-4px, 1px);
  }

  100% {
    opacity: 0;
    transform: translate(0, 0);
  }
}

@keyframes revealIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    filter: blur(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes revealMessage {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revealSignature {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 0.6;
    transform: translateY(0);
  }
}

@keyframes flameFlicker {
  0% {
    transform: translateX(-50%) rotate(calc(var(--flame-rotate) - 2deg)) skewX(-4deg) scale(0.95);
    opacity: 0.92;
  }

  35% {
    transform: translateX(-50%) rotate(calc(var(--flame-rotate) + 2deg)) skewX(2deg) scale(1.06);
    opacity: 1;
  }

  68% {
    transform: translateX(-50%) rotate(calc(var(--flame-rotate) - 1deg)) skewX(-1deg) scale(1.01);
    opacity: 0.97;
  }

  100% {
    transform: translateX(-50%) rotate(calc(var(--flame-rotate) + 1deg)) skewX(3deg) scale(0.96);
    opacity: 0.94;
  }
}

@keyframes flameAura {
  0% {
    transform: translateX(-50%) scale(0.88);
    opacity: 0.46;
  }

  50% {
    transform: translateX(-50%) scale(1.06);
    opacity: 0.66;
  }

  100% {
    transform: translateX(-50%) scale(0.9);
    opacity: 0.48;
  }
}

@keyframes flameOut {
  0% {
    transform: translateX(-50%) rotate(var(--flame-rotate)) scale(1);
    opacity: 1;
  }

  66% {
    transform: translateX(-50%) rotate(calc(var(--flame-rotate) + 6deg)) scale(0.05);
    opacity: 1;
  }

  100% {
    transform: translateX(-50%) rotate(calc(var(--flame-rotate) + 8deg)) scale(0);
    opacity: 0;
  }
}

@keyframes glowOut {
  0% {
    transform: translateX(-50%) scale(1);
    opacity: 0.58;
  }

  100% {
    transform: translateX(-50%) scale(0.5);
    opacity: 0;
  }
}

@keyframes smokeRise {
  0% {
    transform: translate(-50%, 0) scale(0.35);
    opacity: 0;
  }

  30% {
    opacity: 0.64;
  }

  100% {
    transform: translate(-50%, -38px) scale(1.28);
    opacity: 0;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .ring-wrap {
    width: clamp(236px, 74vw, 380px);
  }

  .corner-character,
  .corner-character-left {
    height: clamp(220px, 68svh, 560px);
    max-width: min(46vw, 420px);
  }
}

@media (max-width: 700px) {
  .app-shell {
    padding-top: calc(clamp(12px, 3vh, 20px) + var(--safe-top));
    padding-right: calc(clamp(8px, 2.5vw, 12px) + var(--safe-right));
    padding-bottom: calc(clamp(12px, 2.8vh, 18px) + var(--safe-bottom));
    padding-left: calc(clamp(8px, 2.5vw, 12px) + var(--safe-left));
  }

  .timer-panel,
  .reveal-panel {
    width: min(var(--panel-max-width), calc(100vw - 16px - var(--safe-left) - var(--safe-right)));
  }

  .unit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .ring-wrap {
    width: clamp(228px, 86vw, 332px);
    margin-bottom: 14px;
  }

  .main-digital {
    font-size: clamp(1.1rem, 5.5vw, 1.9rem);
    letter-spacing: 0.06em;
  }

  .center-label {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
  }

  .meta {
    margin-top: 10px;
  }

  .blow-btn {
    width: min(244px, 90%);
  }

  .corner-character,
  .corner-character-left {
    height: clamp(140px, 44svh, 320px);
    max-width: min(38vw, 210px);
  }

  .corner-character {
    right: clamp(-44px, -8vw, -14px);
  }

  .corner-character-left {
    left: clamp(-36px, -7vw, -10px);
  }

  body.reveal-active .corner-character,
  body.reveal-active .corner-character-left {
    opacity: 0.54;
    transform: translateY(0) scale(0.9);
  }
}

@media (max-width: 420px) {
  h1,
  h2 {
    margin: 8px 0 12px;
    font-size: clamp(1rem, 6.2vw, 1.35rem);
    letter-spacing: 0.04em;
  }

  .eyebrow {
    font-size: 0.64rem;
    letter-spacing: 0.18em;
  }

  .ring-wrap {
    width: min(292px, 92vw);
  }

  .unit-value {
    font-size: clamp(0.95rem, 5vw, 1.12rem);
  }

  .unit-label {
    font-size: 0.58rem;
    letter-spacing: 0.12em;
  }

  .reveal-panel .stage-title {
    font-size: 0.78rem;
    letter-spacing: 0.04em;
  }

  .blow-btn {
    width: min(208px, 92%);
    font-size: 0.8rem;
    padding: 10px 16px;
  }

  .corner-character,
  .corner-character-left {
    height: clamp(116px, 34svh, 210px);
    max-width: min(34vw, 138px);
  }

  .corner-character {
    right: -34px;
  }

  .corner-character-left {
    left: -28px;
  }

  body.reveal-active .corner-character,
  body.reveal-active .corner-character-left {
    opacity: 0.42;
    transform: translateY(0) scale(0.86);
  }
}

@media (max-width: 360px) {
  .ring-wrap {
    width: min(270px, 90vw);
  }

  .main-digital {
    font-size: clamp(1rem, 6.6vw, 1.4rem);
  }

  .blow-btn {
    width: min(196px, 94%);
  }

  .corner-character,
  .corner-character-left {
    max-width: min(32vw, 120px);
    height: clamp(110px, 30svh, 176px);
  }

  body.reveal-active .corner-character,
  body.reveal-active .corner-character-left {
    opacity: 0.36;
  }
}

@media (max-height: 760px) {
  .app-shell {
    place-items: start center;
    padding-top: calc(clamp(10px, 2vh, 16px) + var(--safe-top));
    padding-bottom: calc(clamp(10px, 1.8vh, 14px) + var(--safe-bottom));
  }

  .timer-panel,
  .reveal-panel {
    padding-top: clamp(14px, 2.4vh, 18px);
    padding-bottom: clamp(10px, 2vh, 14px);
  }

  h1,
  h2 {
    margin: 8px 0 10px;
    font-size: clamp(1.1rem, 3vw, 1.65rem);
  }

  .mystery-text {
    margin-bottom: 10px;
  }

  .ring-wrap {
    width: min(330px, 70vw);
    margin-bottom: 10px;
  }

  .unit-grid {
    gap: 8px;
  }

  .meta {
    margin-top: 8px;
  }

  .birthday-cake {
    margin-top: clamp(10px, 2.2vh, 16px);
  }

  .corner-character,
  .corner-character-left {
    height: clamp(160px, 58svh, 420px);
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  .timer-panel,
  .reveal-panel {
    padding: 14px 12px;
  }

  .ring-wrap {
    width: min(290px, 56vw);
  }

  .unit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }

  .birthday-cake {
    margin-top: 10px;
  }

  .corner-character,
  .corner-character-left {
    height: clamp(108px, 42svh, 210px);
    max-width: min(28vw, 150px);
  }

  .corner-character {
    right: -42px;
  }

  .corner-character-left {
    left: -34px;
  }

  body.reveal-active .corner-character,
  body.reveal-active .corner-character-left {
    opacity: 0.34;
    transform: translateY(0) scale(0.84);
  }
}

@media (hover: none) {
  .blow-btn:hover {
    transform: none;
    border-color: rgba(74, 203, 255, 0.48);
    box-shadow: none;
  }
}

@media (pointer: coarse) {
  .blow-btn {
    min-height: 46px;
    letter-spacing: 0.06em;
  }

  .digit-flame {
    animation-duration: 1.24s;
  }

  .ring-dashed {
    animation-duration: 24s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ring-dashed,
  .digit-flame,
  .timer-panel.fade-out,
  .glitch-layer.active,
  .reveal-panel.reveal-in {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}