*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --cream: #fdf6ee; --warm-tan: #e8d5bc; --blush: #f2c4b0;
  --rose: #d97b6c; --brown: #6b3f2a; --soft-brown: #a0614a;
  --text: #3d2015; --muted: #9b7060;
}
body {
  min-height: 100vh; background-color: var(--cream);
  font-family: 'DM Sans', sans-serif; color: var(--text);
  display: flex; flex-direction: column; align-items: center;
  padding: 0 0 60px; overflow-x: hidden;
  transition: background 1s ease;
}

/* ─── Survey top blob ─────────────────────── */
.top-blob {
  width: 100%; height: 200px;
  background: linear-gradient(160deg, var(--blush) 0%, var(--warm-tan) 100%);
  border-radius: 0 0 60% 60% / 0 0 40px 40px;
  position: relative; overflow: hidden; flex-shrink: 0;
}
.top-blob::before {
  content: ''; position: absolute; width: 180px; height: 180px;
  border-radius: 50%; background: rgba(255,255,255,0.18); top: -60px; right: -40px;
}
.top-blob::after {
  content: ''; position: absolute; width: 100px; height: 100px;
  border-radius: 50%; background: rgba(255,255,255,0.12); bottom: 10px; left: 20px;
}
.blob-inner {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
}
.emoji-top { font-size: 2rem; animation: float 3s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }
.survey-label {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--soft-brown);
}

/* ─── Survey card ─────────────────────────── */
.card {
  background: #fff; border-radius: 28px; margin: -32px 20px 0;
  padding: 32px 24px 28px; box-shadow: 0 8px 40px rgba(109,63,42,0.10);
  width: calc(100% - 40px); max-width: 420px;
  animation: rise 0.5s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes rise { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
.question-num {
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 10px;
}
.question-text {
  font-family: 'Fraunces', serif; font-size: 1.55rem; font-weight: 300;
  line-height: 1.35; color: var(--text); margin-bottom: 28px;
}
.question-text em { font-style: italic; color: var(--rose); }
.options { display: flex; flex-direction: column; gap: 12px; }
.option {
  display: flex; align-items: center; gap: 14px;
  background: var(--cream); border: 2px solid transparent;
  border-radius: 16px; padding: 14px 18px; cursor: pointer;
  transition: all 0.2s ease; -webkit-tap-highlight-color: transparent;
  position: relative; overflow: hidden;
}
.option::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--blush), var(--warm-tan));
  opacity: 0; transition: opacity 0.2s;
}
.option:hover::before, .option.selected::before { opacity: 1; }
.option-radio {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--warm-tan); background: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; position: relative; z-index: 1;
}
.option.selected .option-radio { border-color: var(--rose); background: var(--rose); }
.option.selected .option-radio::after {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: #fff;
}
.option-text {
  font-size: 0.97rem; font-weight: 500; color: var(--text);
  position: relative; z-index: 1;
}
.option.selected { border-color: var(--rose); }
.option.selected .option-text { color: var(--brown); }
.btn-wrap { margin-top: 28px; display: flex; justify-content: flex-end; }
.btn-next {
  background: var(--rose); color: #fff; border: none;
  border-radius: 50px; padding: 14px 30px;
  font-family: 'DM Sans', sans-serif; font-size: 0.92rem; font-weight: 500;
  cursor: pointer; transition: background 0.2s, transform 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.btn-next:hover { background: var(--soft-brown); }
.btn-next:active { transform: scale(0.97); }
.progress { display: flex; justify-content: center; gap: 8px; margin-top: 28px; }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--warm-tan); transition: background 0.3s, width 0.3s;
}
.dot.active { background: var(--rose); width: 22px; border-radius: 4px; }
.yn-wrap { display: flex; gap: 16px; margin-top: 32px; }
.btn-yes, .btn-no {
  flex: 1; border: none; border-radius: 18px; padding: 18px 10px;
  font-family: 'DM Sans', sans-serif; font-size: 1.1rem; font-weight: 500;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  gap: 8px; transition: transform 0.15s; -webkit-tap-highlight-color: transparent;
}
.btn-yes { background: var(--rose); color: #fff; box-shadow: 0 4px 18px rgba(217,123,108,0.35); }
.btn-yes:active { transform: scale(0.96); }
.btn-no { background: var(--cream); color: var(--muted); border: 2px solid var(--warm-tan); }
.btn-no:active { transform: scale(0.96); }
@keyframes nope {
  0%{transform:translateX(0)} 15%{transform:translateX(-8px) rotate(-2deg)}
  30%{transform:translateX(8px) rotate(2deg)} 45%{transform:translateX(-7px)}
  60%{transform:translateX(7px)} 75%{transform:translateX(-4px)}
  90%{transform:translateX(4px)} 100%{transform:translateX(0)}
}
.btn-no.shaking { animation: nope 0.55s cubic-bezier(0.36,0.07,0.19,0.97) both; }
@keyframes shake-hint {
  0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)}  60%{transform:translateX(-4px)}
  80%{transform:translateX(4px)}
}

/* ════════════════════════════════════════════
   SONG PAGE  — dark starfield theme
════════════════════════════════════════════ */

/* songPage sits above the fixed star canvas */
#songPage {
  position: relative;
  z-index: 1;
}

.song-page {
  min-height: 100vh; width: 100%;
  display: flex; flex-direction: column; align-items: center;
  padding: 0 0 72px;
  animation: rise 0.5s cubic-bezier(0.22,1,0.36,1) both;
  /* transparent — starfield canvas shows through */
  background: transparent;
  color: rgba(255,255,255,0.92);
}

/* ── Header: emoji only ── */
.song-header {
  width: 100%; padding: 56px 24px 20px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 0;
  /* no background — stars are the backdrop */
}

/* override any mood-specific header background */
.mood-happy  .song-header,
.mood-neutral .song-header,
.mood-sad    .song-header { background: none !important; }

.song-big-emoji {
  font-size: 3.4rem;
  animation: pop 0.55s cubic-bezier(0.22,1,0.36,1) both;
  filter: drop-shadow(0 0 18px rgba(255,255,255,0.25));
}
@keyframes pop { from{transform:scale(0.3);opacity:0} to{transform:scale(1);opacity:1} }

/* ── Lyric card — Spotify-style ── */
.lyric-card {
  width: calc(100% - 40px); max-width: 420px;
  /* Frosted glass on dark background */
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 28px;
  padding: 0;                    /* padding handled by inner */
  box-shadow: 0 12px 50px rgba(0,0,0,0.40);
  /* Fixed viewport — lyrics scroll inside */
  height: 340px;
  overflow-y: scroll;
  scrollbar-width: none;
  -ms-overflow-style: none;
  /* Soft fade at top & bottom to imply infinite scroll */
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 16%,
    black 82%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 16%,
    black 82%,
    transparent 100%
  );
  animation: rise 0.55s 0.12s cubic-bezier(0.22,1,0.36,1) both;
  position: relative;
}
.lyric-card::-webkit-scrollbar { display: none; }

.lyric-inner {
  padding: 120px 20px 120px;   /* generous top/bottom so first/last line can centre */
}

/* ── Individual lyric line ── */
.lyr {
  font-family: 'Fraunces', serif;
  font-size: 1.18rem; font-weight: 300;
  line-height: 1.6;
  padding: 10px 16px;
  border-radius: 14px;
  color: rgba(255,255,255,0.85);
  opacity: 0.22;
  transition:
    opacity     0.40s ease,
    transform   0.40s cubic-bezier(0.22,1,0.36,1),
    font-size   0.35s cubic-bezier(0.22,1,0.36,1),
    font-weight 0.30s ease,
    color       0.35s ease,
    text-shadow 0.35s ease,
    background  0.35s ease;
  transform: scale(0.95) translateX(0);
  cursor: default;
  will-change: opacity, transform;
}

.lyr .lyr-emoji {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.45s cubic-bezier(0.22,1,0.36,1), opacity 0.35s;
  opacity: 0;
  transform: scale(0.3) rotate(-30deg);
}

/* Past lines — ghost them heavily */
.lyr.past {
  opacity: 0.15;
  transform: scale(0.94);
}

/* Active line — Spotify-style: large, glowing, on-brand colour */
.lyr.active {
  opacity: 1;
  font-weight: 500;
  font-size: 1.26rem;
  transform: scale(1.04);
}
.lyr.active .lyr-emoji {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* Mood accent colours for active lyric */
.mood-happy  .lyr.active {
  color: #ffd580;
  text-shadow: 0 0 28px rgba(255,190,60,0.65), 0 0 60px rgba(255,150,0,0.25);
  background: rgba(255,180,40,0.10);
}
.mood-neutral .lyr.active {
  color: #c8b0ff;
  text-shadow: 0 0 28px rgba(180,130,255,0.65), 0 0 60px rgba(120,80,255,0.25);
  background: rgba(160,120,255,0.10);
}
.mood-sad .lyr.active {
  color: #96caff;
  text-shadow: 0 0 28px rgba(100,170,255,0.65), 0 0 60px rgba(60,120,255,0.25);
  background: rgba(80,140,255,0.10);
}

/* ── Player bar ── */
.player-bar {
  width: calc(100% - 40px); max-width: 420px;
  margin-top: 16px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 22px;
  padding: 16px 20px;
  box-shadow: 0 6px 28px rgba(0,0,0,0.30);
  display: flex; flex-direction: column; gap: 10px;
  animation: rise 0.55s 0.22s cubic-bezier(0.22,1,0.36,1) both;
}
.player-top {
  display: flex; align-items: center; gap: 14px;
}

/* Play/pause button */
.play-btn {
  width: 52px; height: 52px; border-radius: 50%; border: none;
  font-size: 1.1rem; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.15s, box-shadow 0.2s;
  -webkit-tap-highlight-color: transparent;
  color: #fff;
}
.play-btn:active { transform: scale(0.93); }

.mood-happy  .play-btn { background: #c96000; box-shadow: 0 4px 20px rgba(200,96,0,0.50); }
.mood-neutral .play-btn { background: #6040b8; box-shadow: 0 4px 20px rgba(90,60,180,0.50); }
.mood-sad    .play-btn { background: #1e50a8; box-shadow: 0 4px 20px rgba(30,70,168,0.50); }

.player-info { flex: 1; min-width: 0; }
.player-song-name {
  font-weight: 500; font-size: 0.9rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  color: rgba(255,255,255,0.95);
}
.player-artist {
  font-size: 0.72rem; margin-top: 3px;
  color: rgba(255,255,255,0.40);
}

/* ── Wave bars (equaliser animation) ── */
.wave-bars {
  display: flex; align-items: center; gap: 3px; height: 28px;
}
.wb {
  width: 4px; border-radius: 2px; height: 5px;
  transition: height 0.15s;
  opacity: 0.40;
}
.mood-happy  .wb { background: #ffb840; }
.mood-neutral .wb { background: #a080e8; }
.mood-sad    .wb { background: #5090e8; }

.wave-bars.playing .wb {
  animation: wv 0.6s ease-in-out infinite;
  opacity: 0.90;
}
.wb:nth-child(1){ animation-duration: .55s }
.wb:nth-child(2){ animation-duration: .70s; animation-delay: .07s }
.wb:nth-child(3){ animation-duration: .45s; animation-delay: .14s }
.wb:nth-child(4){ animation-duration: .80s; animation-delay: .03s }
.wb:nth-child(5){ animation-duration: .60s; animation-delay: .10s }
.wb:nth-child(6){ animation-duration: .50s; animation-delay: .20s }
@keyframes wv {
  0%,100%{ height: 4px  }
  50%    { height: 24px }
}

/* ── Progress bar ── */
.prog-wrap {
  position: relative; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,0.14); cursor: pointer;
}
.prog-fill {
  height: 100%; border-radius: 2px; width: 0%;
  transition: width 0.5s linear;
}
.mood-happy  .prog-fill { background: #ffb840; }
.mood-neutral .prog-fill { background: #a080e8; }
.mood-sad    .prog-fill { background: #5090e8; }

.prog-times {
  display: flex; justify-content: space-between;
  font-size: 0.68rem; color: rgba(255,255,255,0.32); margin-top: 4px;
}