:root {
  --bg-top: #fff8f2;
  --bg-bottom: #ffe4ee;
  --card: rgba(255, 255, 255, 0.7);
  --card-strong: rgba(255, 253, 251, 0.92);
  --text: #5f4352;
  --muted: #8b6d79;
  --pink: #ff7ea8;
  --pink-deep: #f25f8b;
  --pink-bright: #ff4f87;
  --pink-highlight: #ff8fb2;
  --pink-soft: #ffd7e3;
  --rose: #ffd4df;
  --cream: #fff8ef;
  --cream-deep: #ffe8cc;
  --line: rgba(255, 126, 168, 0.18);
  --shadow: 0 28px 80px rgba(162, 96, 125, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Outfit", sans-serif;
  color: var(--text);
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.88), transparent 30%),
    radial-gradient(circle at bottom right, rgba(255, 199, 220, 0.58), transparent 28%),
    linear-gradient(155deg, var(--bg-top), var(--bg-bottom));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.25;
  pointer-events: none;
}

.scene-blur {
  position: fixed;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.65;
  animation: blob-float 12s ease-in-out infinite;
  pointer-events: none;
}

.scene-blur--one {
  width: 340px;
  height: 340px;
  top: -80px;
  left: -70px;
  background: rgba(255, 219, 228, 0.95);
}

.scene-blur--two {
  width: 300px;
  height: 300px;
  right: -70px;
  bottom: -80px;
  background: rgba(255, 242, 204, 0.85);
  animation-delay: -3s;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.panel {
  width: 100%;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
  animation: panel-rise 0.8s ease;
}

.hidden {
  display: none;
}

.celebration-panel {
  text-align: center;
}

.proposal-card,
.celebration-card {
  position: relative;
  z-index: 1;
}

.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0 0 10px;
}

h1,
h2 {
  font-family: "DM Serif Display", serif;
  font-weight: 400;
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin: 10px 0 24px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(255, 245, 248, 0.76);
  backdrop-filter: blur(12px);
  z-index: 3;
  transition:
    opacity 0.55s ease,
    visibility 0.55s ease;
}

.loading-overlay.is-exiting {
  opacity: 0;
  visibility: hidden;
}

.loading-card {
  width: min(100%, 420px);
  border-radius: 32px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  background: rgba(255, 253, 251, 0.92);
  box-shadow: 0 28px 90px rgba(162, 96, 125, 0.18);
  text-align: center;
  animation: panel-rise 0.7s ease;
}

.progress-track {
  width: min(100%, 380px);
  height: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.98);
  overflow: hidden;
  border: 1px solid rgba(242, 95, 139, 0.12);
  box-shadow: inset 0 1px 4px rgba(242, 95, 139, 0.08);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background:
    linear-gradient(90deg, var(--rose), var(--pink)),
    linear-gradient(120deg, rgba(255, 255, 255, 0.8), transparent 28%);
  background-size: 100% 100%, 40px 100%;
  animation: shimmer 1.4s linear infinite;
  transition: width 0.18s linear;
}

.proposal-card,
.celebration-card {
  width: min(100%, 560px);
  background: var(--card-strong);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 22px 50px rgba(182, 117, 142, 0.12);
  padding: 34px 30px 30px;
  text-align: center;
  transform: translateY(0);
  animation: gentle-bob 4.8s ease-in-out infinite;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 236, 243, 0.9);
  border: 1px solid rgba(255, 126, 168, 0.16);
  color: var(--pink-deep);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gif-sticker {
  display: block;
  width: min(100%, 220px);
  margin: 18px auto 18px;
  border-radius: 24px;
  box-shadow: 0 16px 28px rgba(176, 119, 143, 0.16);
}

.gif-sticker--loading {
  width: min(100%, 200px);
  margin-top: 2px;
}

.subcopy,
.celebration-card p:last-child {
  max-width: 34ch;
  margin: 14px auto 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted);
}

.button-stage {
  position: relative;
  width: min(100%, 420px);
  height: 180px;
  margin: 30px auto 0;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 241, 246, 0.74), rgba(255, 250, 252, 0.9));
  border: 1px solid rgba(255, 126, 168, 0.12);
}

.btn {
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    transform 0.24s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.yes-btn,
.no-btn {
  position: absolute;
  min-width: 112px;
  padding: 14px 26px;
}

.yes-btn {
  left: 24px;
  top: 56px;
  color: #fff;
  background: linear-gradient(135deg, var(--pink-bright), var(--pink-deep));
  box-shadow: 0 16px 30px rgba(242, 95, 139, 0.34);
  transform-origin: center;
}

.no-btn {
  top: 56px;
  right: 24px;
  color: #7b5262;
  background: linear-gradient(135deg, var(--cream), var(--cream-deep));
  box-shadow: 0 12px 24px rgba(167, 132, 112, 0.16);
}

.yes-btn:hover {
  background: linear-gradient(135deg, var(--pink-highlight), var(--pink-bright));
  box-shadow: 0 18px 34px rgba(242, 95, 139, 0.38);
}

.no-btn:hover {
  color: #6a4452;
  background: linear-gradient(135deg, #fffdf8, #ffe9d8);
  box-shadow: 0 14px 28px rgba(167, 132, 112, 0.2);
}

.celebration-card {
  animation:
    pop-in 0.55s ease,
    gentle-bob 4.8s ease-in-out 0.55s infinite;
}

.proposal-panel.is-visible,
.celebration-panel.is-visible {
  display: grid;
  animation: fade-up 0.6s ease;
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes gentle-bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes shimmer {
  from {
    background-position: 0 0, -40px 0;
  }
  to {
    background-position: 0 0, 80px 0;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes panel-rise {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes blob-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, 18px, 0);
  }
}

@media (max-width: 640px) {
  body {
    overflow: auto;
  }

  .panel {
    min-height: 100vh;
    padding: 20px;
  }

  .loading-card {
    padding: 24px 18px;
  }

  .proposal-card,
  .celebration-card {
    padding: 28px 20px;
  }

  .button-stage {
    width: 100%;
    height: 220px;
  }

  .yes-btn,
  .no-btn {
    min-width: 100px;
  }

  .gif-sticker {
    width: min(100%, 200px);
  }
}