:root {
  --mx: 50%;
  --my: 50%;
  --romantic-fade: 0;
  --ticker-top: 65vh; /* JS will place this precisely under msg3 */
}

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: #fff;
  overflow: hidden;

  /* Primary gradient follows mouse via CSS variables */
  background-image:
    radial-gradient(circle at var(--mx) var(--my),
      #ff6ec4 0%, #7873f5 60%, #1f1c2c 120%);
  background-size: 200% 200%;
  background-attachment: fixed;
  position: relative;
}

/* Romantic overlay (smooth crossfade) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at var(--mx) var(--my),
      #ff4b8b 0%, #d6336c 55%, #8e0057 120%);
  opacity: var(--romantic-fade);
  transition: opacity 1.6s ease;
  pointer-events: none;
}

/* Messages */
h1, h2 {
  position: absolute;
  margin: 0;
  opacity: 0;
  text-align: center;
  will-change: transform, opacity;
}

/* h1 fade in/out */
#msg1 {
  animation: fadeInOut 6s ease-in-out forwards;
}
@keyframes fadeInOut {
  0%   { opacity: 0; transform: translateY(20px); }
  20%  { opacity: 1; transform: translateY(0); }
  70%  { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-20px); }
}

/* h2 appear */
#msg2 {
  animation: appearAfter 6s ease-in-out forwards;
  transition: transform 600ms cubic-bezier(.2,.7,.2,1), opacity 400ms ease;
}
@keyframes appearAfter {
  0%   { opacity: 0; }
  70%  { opacity: 0; }
  100% { opacity: 1; }
}
#msg2.exit {
  transform: translateY(-220px);
  opacity: 0;
}

/* h3 show then exit */
#msg3 {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 600ms ease, transform 600ms ease;
}
#msg3.show {
  opacity: 1;
  transform: translateY(0);
}
#msg3.exit {
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity 350ms ease, transform 350ms ease;
}

/* Audio controls */
.audio-controls {
  position: fixed;
  bottom: 15px;
  left: 15px;
  display: flex;
  gap: 8px;
  align-items: center;
  background: rgba(0,0,0,0.4);
  padding: 6px 10px;
  border-radius: 12px;
  backdrop-filter: blur(6px);
  transition: opacity 300ms ease, transform 300ms ease;
  z-index: 40;
}
.audio-controls button {
  background: none;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
}
.audio-controls input[type="range"] {
  width: 110px;
  accent-color: #ff4b8b;
  cursor: pointer;
}
.audio-controls.hidden {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}

/* Scrolling list: centered under msg3, responsive */
#ticker {
  position: absolute;
  top: var(--ticker-top);
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 90ch;
  opacity: 0;
  transition: opacity 500ms ease;
  pointer-events: none;
  text-align: center;
}
#ticker.show { opacity: 1; }

.ticker-track {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  font-family: inherit;
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1.6;
  will-change: transform;
}

/* Swirly randomized gradient text */
.ticker-item {
  background: conic-gradient(
    from 0deg,
    #000,
    #fff,
    #000,
    #fff,
    #000
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: swirlShift 8s infinite linear;
  opacity: 0.95;
}

/* Animate the gradient’s rotation and shift */
@keyframes swirlShift {
  0%   { background-position: 0% 0%; transform: rotate(0deg); }
  25%  { background-position: 100% 50%; transform: rotate(5deg); }
  50%  { background-position: 50% 100%; transform: rotate(-5deg); }
  75%  { background-position: 0% 50%; transform: rotate(3deg); }
  100% { background-position: 100% 0%; transform: rotate(0deg); }
}

/* Final handwritten birthday message */
#final-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: opacity 800ms ease, transform 800ms ease;
  z-index: 30;
}
#final-message.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}
#final-message .msg-inner {
  text-align: center;
  max-width: min(92vw, 900px);
  padding: 12px 18px;
  font-family: "Caveat", cursive;
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
#final-message .line1 { font-size: clamp(40px, 8vw, 96px); font-weight: 700; }
#final-message .line2 { font-size: clamp(24px, 4.5vw, 44px); margin-top: 6px; }
#final-message .line3 { font-size: clamp(24px, 4.5vw, 44px); margin-top: 2px; }
#final-message .line4 { font-size: clamp(22px, 4vw, 36px); margin-top: 10px; opacity: 0.9; }

/* -------- SCENE 2 (DUO): Center message with two side images -------- */
#scene2 {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr min(680px, 70vw) 1fr;
  align-items: center;
  gap: clamp(16px, 4vw, 40px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 700ms ease;
  z-index: 20; /* below final message while it fades */
}
#scene2.show { opacity: 1; pointer-events: auto; }

.center-note.duo {
  grid-column: 2;
  text-align: center;
  background: rgba(0,0,0,0.28);
  padding: clamp(16px, 3vw, 28px);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 35px rgba(0,0,0,0.35);
}
.center-note.duo h2 {
  font-family: "Caveat", cursive;
  font-size: clamp(36px, 7vw, 72px);
  margin: 0 0 6px 0;
}
.center-note.duo p {
  margin: 0;
  font-size: clamp(16px, 2.6vw, 22px);
  opacity: 0.95;
}

/* side images (show full image, no cropping) */
.side-img {
  width: clamp(140px, 22vw, 280px); /* tweak this to make duo images smaller/larger */
  height: auto;                     /* keep natural aspect ratio */
  object-fit: contain;              /* never crop */
  border-radius: 14px;
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
  justify-self: center;
  transform-origin: center;
  animation: floaty var(--dur, 6s) ease-in-out infinite alternate;
  opacity: 0.98;
}
#side-left  { grid-column: 1; --dur: 6.5s; transform: rotate(-3deg); }
#side-right { grid-column: 3; --dur: 7.2s; transform: rotate(3deg); }

/* gentle floating */
@keyframes floaty {
  from { transform: translateY(0) rotate(var(--rot, 0deg)); }
  to   { transform: translateY(-10px) rotate(calc(var(--rot, 0deg) + var(--tilt, 2deg))); }
}

/* -------- SCENE 3: Typewriter + floaters -------- */
#scene3 {
  position: fixed;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 700ms ease;
  z-index: 25;
}
#scene3.show { opacity: 1; pointer-events: auto; }

/* Typewriter box (center) */
.typewriter {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(780px, 90vw);
  background: rgba(0,0,0,0.28);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 35px rgba(0,0,0,0.35);
  padding: clamp(16px, 3vw, 28px);
  font-family: "Caveat", cursive;
  font-size: clamp(22px, 4vw, 40px);
  line-height: 1.3;
  text-align: center;
}

/* caret effect */
.typewriter.typing::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 6px;
  background: #fff;
  animation: blink 1s steps(1) infinite;
  vertical-align: -0.2em;
}
@keyframes blink { 50% { opacity: 0; } }

/* Floaters layer */
#floaters {
  position: fixed;
  inset: 0;
  z-index: -1; /* behind typewriter while typing */
  pointer-events: none;
}
.floater {
  position: fixed;
  object-fit: contain; /* show full image; no cropping */
  border-radius: 12px;
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
  opacity: 0; /* start hidden; fade in via enter anim */
  transform-origin: center;
  will-change: transform, opacity;
  animation: floaterEnter 800ms ease forwards;
}
@keyframes floaterEnter {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}
/* Keep opacity at 1 when the second animation starts */
.floater.float {
  opacity: 1;
  animation: floatUpDown var(--dur, 7s) ease-in-out infinite alternate;
}
@keyframes floatUpDown {
  from { transform: translateY(0) rotate(var(--rot, 0deg)); }
  to   { transform: translateY(-12px) rotate(calc(var(--rot, 0deg) + var(--tilt, 2.5deg))); }
}

/* Motion accessibility */
@media (prefers-reduced-motion: reduce) {
  body::before { transition: none; }
  .audio-controls { transition: none; }
  #ticker { transition: none; }
  .ticker-item { animation: none; }
  #final-message { transition: none; }
  #scene2 { transition: none; }
  .side-img { animation: none; }
  #scene3 { transition: none; }
  .floater { animation: none; opacity: 1; } /* ensure visible with reduced motion */
}