:root {
  --bg-deep: #1a0a10;
  --bg-mid: #3d1525;
  --rose-bright: #f5c6d0;
  --blush: #ffd6e0;
  --wine: #8b2744;
  --crimson: #c43b5a;
  --ink: #fff5f7;
  --ink-muted: rgba(255, 245, 247, 0.72);
  --ink-soft: rgba(255, 245, 247, 0.45);
  --gold: #e8c9a0;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Outfit", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--ink);
  background: var(--bg-deep);
  overflow: hidden;
}

#heart-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(196, 59, 90, 0.28), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(139, 39, 68, 0.35), transparent 55%),
    radial-gradient(ellipse 40% 50% at 15% 70%, rgba(232, 160, 176, 0.12), transparent 50%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 45%, var(--bg-deep) 100%);
  animation: ambient-breathe 12s ease-in-out infinite alternate;
}

@keyframes ambient-breathe {
  from {
    opacity: 0.85;
  }
  to {
    opacity: 1;
  }
}

.ui {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 2rem 1.25rem 3rem;
  text-align: center;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.ui.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

.ui h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 7vw, 3rem);
  margin-bottom: 1.5rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 420px;
}

.btn {
  min-width: 120px;
  padding: 0.9rem 1.2rem;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), filter 0.3s ease, border-color 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-appear {
  border: 1px solid rgba(245, 198, 208, 0.35);
  background: rgba(255, 245, 247, 0.06);
  color: var(--ink);
}

.btn-yes {
  border: none;
  background: linear-gradient(135deg, var(--crimson), var(--wine));
  color: var(--ink);
  box-shadow: 0 12px 28px rgba(196, 59, 90, 0.35);
}

.btn-yes:hover {
  filter: brightness(1.08);
}

.btn-no {
  border: 1px solid rgba(180, 140, 150, 0.4);
  background: transparent;
  color: var(--ink-soft);
}

.btn-no:hover {
  color: #e8b0b8;
  border-color: rgba(200, 120, 130, 0.55);
}

.love-message {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  pointer-events: none;
  padding: 1.5rem;
  text-align: center;
}

.love-message[hidden] {
  display: none !important;
}

.love-message-text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8.5vw, 3.2rem);
  font-style: italic;
  color: #ffe0e8;
  text-shadow: 0 8px 40px rgba(0, 0, 0, 0.55), 0 0 30px rgba(196, 59, 90, 0.35);
  opacity: 0;
  transform: scale(0.92) translateY(-5vh);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
  max-width: min(90vw, 18ch);
  line-height: 1.2;
  padding: 0 0.5rem;
}

@media (max-width: 700px) {
  .love-message-text {
    font-size: clamp(2.15rem, 9.5vw, 2.8rem);
    max-width: 92vw;
    transform: scale(0.92) translateY(-8vh);
  }

  .love-message.is-visible .love-message-text {
    transform: scale(1) translateY(-8vh);
  }
}

.love-message.is-visible .love-message-text {
  opacity: 1;
  transform: scale(1) translateY(-5vh);
}

body.is-breaking .ambient {
  filter: grayscale(0.35) brightness(0.7);
  transition: filter 1s ease;
}

body.is-empty-after-break {
  overflow: hidden;
}

body.is-empty-after-break::after {
  content: "💔";
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  font-size: clamp(3rem, 12vw, 5rem);
  opacity: 0;
  animation: broken-fade 2s ease 0.2s forwards;
  pointer-events: none;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

body.is-empty-after-break #heart-canvas {
  opacity: 0.25;
  transition: opacity 1.5s ease;
}

@keyframes broken-fade {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  40% {
    opacity: 0.55;
    transform: scale(1);
  }
  to {
    opacity: 0.2;
    transform: scale(1.05);
  }
}

@media (max-width: 520px) {
  .actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}