:root{
  --bg:#04051a;
  --ink:#f6f3ff;
  --muted:#b8b3d6;
  --gold:#ffd27a;
  --peach:#ffb38a;
  --pink:#ff9ed2;
  --blue:#8fb9ff;
  --violet:#b79cff;
  --glass:rgba(23,24,68,.55);
  --glass-line:rgba(255,255,255,.16);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;min-height:100%}
body{
  background:
    radial-gradient(1200px 700px at 15% -5%, rgba(111,80,255,.22), transparent 60%),
    radial-gradient(1000px 720px at 88% 4%, rgba(255,138,185,.16), transparent 58%),
    radial-gradient(1400px 900px at 50% 110%, rgba(74,124,255,.18), transparent 60%),
    var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  overflow-x:hidden;
  line-height:1.6;
}
#stars,#confetti{position:fixed;inset:0;width:100%;height:100%;pointer-events:none}
#stars{z-index:0}
#confetti{z-index:60;display:none}
#bgm{display:none}

/* ---------- Audio control ---------- */
.audio-control{
  position:fixed;right:16px;top:16px;z-index:80;
  width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(20,22,58,.55);border:1px solid var(--glass-line);
  color:var(--gold);font-size:20px;cursor:pointer;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:.25s ease;box-shadow:0 8px 30px rgba(0,0,0,.25);
}
.audio-control:hover{transform:translateY(-2px) scale(1.06)}
.audio-control.muted{color:#8b87a8;border-color:rgba(255,255,255,.10)}

/* ---------- Gate ---------- */
.gate{
  position:fixed;inset:0;z-index:70;
  display:flex;align-items:center;justify-content:center;
  padding:24px;text-align:center;
  background:
    radial-gradient(900px 600px at 50% 120%, rgba(255,156,210,.22), transparent 65%),
    rgba(4,5,26,.68);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:opacity .7s ease, transform .7s ease;
}
.gate.leaving{opacity:0;transform:scale(1.05);pointer-events:none}
.gate-inner{max-width:620px;animation:riseIn 1s ease both}
.gate-kicker{
  letter-spacing:.42em;text-transform:uppercase;font-size:11px;
  color:var(--muted);margin:0 0 18px;
}
.gate-title{
  margin:0;font-size:clamp(44px,10vw,88px);font-weight:800;
  letter-spacing:.06em;
  background:linear-gradient(120deg,#fff 0%,#ffd9f0 28%,#b79cff 60%,#8fb9ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 22px rgba(183,156,255,.35));
}
.gate-sub{margin:22px 0 34px;color:#e9e4ff;font-size:clamp(15px,2.6vw,19px)}
.gate-btn{
  position:relative;border:0;cursor:pointer;color:#1b1033;
  font-weight:800;font-size:17px;letter-spacing:.08em;
  padding:16px 34px;border-radius:999px;
  background:linear-gradient(135deg,#ffd27a,#ff9ed2 55%,#b79cff);
  box-shadow:0 10px 40px rgba(255,158,210,.45),0 0 0 1px rgba(255,255,255,.35) inset;
  transition:.3s ease;animation:pulseGlow 2.4s ease-in-out infinite;
}
.gate-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 16px 55px rgba(255,158,210,.65)}
.gate-btn:active{transform:translateY(0) scale(.98)}
.gate-hint{margin:26px 0 0;color:#9e98c4;font-size:12px;letter-spacing:.12em}

/* ---------- Main layout ---------- */
#main{display:none;position:relative;z-index:5;max-width:980px;margin:0 auto;padding:52px 20px 110px}
#main.show{display:block;animation:riseIn .9s ease both}
.hero{text-align:center;margin:0 auto 30px}
.date-pill{
  display:inline-block;padding:8px 18px;border-radius:999px;
  border:1px solid var(--glass-line);background:var(--glass);
  color:#d9d3f7;font-size:12px;letter-spacing:.18em;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-title{margin:26px 0 10px;font-size:clamp(27px,6vw,52px);font-weight:800;letter-spacing:.03em;line-height:1.25}
.hero-title span{color:var(--gold)}
.hero-sub{margin:12px 0 0;color:var(--muted);font-size:15px;min-height:24px}

.glass{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:30px;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 24px 70px rgba(0,0,0,.30), 0 0 60px rgba(129,110,255,.10) inset;
}

/* ---------- Scene ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:8px 0 22px}
.bear-card,.cake-card{padding:22px;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.bear-svg{width:min(100%,270px);height:auto;filter:drop-shadow(0 12px 30px rgba(183,156,255,.30));animation:float 5s ease-in-out infinite}
.bear-caption,.cake-caption{margin:14px 0 0;color:var(--muted);font-size:13px;letter-spacing:.06em}

.cake{position:relative;width:min(100%,330px);margin:10px auto 0;filter:drop-shadow(0 16px 28px rgba(0,0,0,.35))}
.candle-rack{
  position:absolute;left:50%;top:-64px;transform:translateX(-50%);
  display:flex;flex-wrap:wrap;justify-content:center;gap:4px 9px;
  width:min(92%,330px);z-index:6;
}
.candle{
  border:0;background:transparent;cursor:pointer;outline:none;
  display:flex;flex-direction:column;align-items:center;padding:0;
  width:18px;transition:transform .18s ease;
}
.candle:hover{transform:translateY(-3px) scale(1.08)}
.candle .wick{width:2px;height:8px;background:#2b1d29;border-radius:2px}
.candle .flame{
  width:13px;height:19px;margin:-2px 0 -3px;opacity:0;
  border-radius:50% 50% 50% 50% / 62% 62% 38% 38%;
  background:radial-gradient(circle at 50% 72%, #fff7d6 0%, #ffd27a 32%, #ff9d4d 60%, rgba(255,93,50,.35) 100%);
  box-shadow:0 0 12px 3px rgba(255,183,90,.85),0 0 26px 8px rgba(255,132,66,.35);
  transform-origin:50% 100%;
  transition:opacity .2s ease;
}
.candle.lit .flame{opacity:1;animation:flicker .28s ease-in-out infinite alternate}
.candle .stick{
  width:15px;height:42px;border-radius:8px 8px 4px 4px;
  background:linear-gradient(180deg,var(--c1,#ffd27a),var(--c2,#ff8fba));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28), inset -4px 0 8px rgba(0,0,0,.16);
}
.candle.lit .stick{box-shadow:inset 0 0 0 1px rgba(255,255,255,.38), inset -4px 0 8px rgba(0,0,0,.16),0 0 14px rgba(255,190,120,.35)}
.cake-top{
  height:54px;margin:0 auto;width:82%;
  background:linear-gradient(180deg,#fff3fa 0%,#ffd7ee 100%);
  border-radius:16px 16px 10px 10px;position:relative;z-index:2;
  box-shadow:inset 0 -8px 14px rgba(210,100,160,.25);
}
.cake-top::before{
  content:"18";position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  font-weight:900;font-size:22px;color:#d7609d;letter-spacing:.06em;
}
.cake-top::after{
  content:"";position:absolute;left:0;right:0;top:-6px;height:13px;
  background:radial-gradient(circle at 8px 0,#ffd7ee 5px,transparent 6px) 0 0/18px 13px repeat-x;
  border-radius:10px 10px 0 0;filter:drop-shadow(0 -2px 0 rgba(255,255,255,.6));
}
.cake-middle{
  height:56px;margin:0 auto;width:92%;
  background:linear-gradient(180deg,#8fb9ff 0%,#5e8bff 100%);
  border-radius:10px 10px 14px 14px;position:relative;z-index:1;
  box-shadow:inset 0 -8px 14px rgba(30,60,140,.35);
}
.cake-middle::after{
  content:"";position:absolute;left:0;right:0;top:2px;height:14px;
  background:linear-gradient(180deg,rgba(255,255,255,.75),rgba(255,255,255,0));
  border-radius:10px 10px 0 0;opacity:.65;
}
.cake-bottom{
  height:48px;margin:0 auto;width:100%;
  background:linear-gradient(180deg,#ff9ed2 0%,#ff6fae 100%);
  border-radius:16px 16px 18px 18px;position:relative;z-index:1;
  box-shadow:inset 0 -8px 14px rgba(160,40,110,.30);
}
.cake-bottom::before{
  content:"";position:absolute;left:0;right:0;top:-7px;height:14px;
  background:radial-gradient(circle at 8px 0,#ff9ed2 5px,transparent 6px) 0 0/18px 13px repeat-x;
  border-radius:8px 8px 0 0;
}
.cake-plate{
  height:16px;margin:6px auto 0;width:104%;
  background:linear-gradient(180deg,#e8e3ff,#b9b0ec);
  border-radius:50%;box-shadow:0 8px 22px rgba(0,0,0,.35);
}

/* ---------- Stages ---------- */
.stage{display:none;margin:18px 0;padding:28px 26px;text-align:center}
.stage.active{display:block;animation:riseIn .55s ease both}
.stage-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;font-size:12px;font-weight:800;
  background:linear-gradient(135deg,var(--gold),var(--pink));color:#1b1033;
}
.stage h3{margin:14px 0 8px;font-size:clamp(20px,4vw,27px);letter-spacing:.04em}
.stage p{color:var(--muted);margin:0 0 18px}
.stage-tip{color:#cfc9ee !important;font-size:13px}
.progress{max-width:360px;margin:14px auto 8px}
.progress-label{display:flex;justify-content:space-between;font-size:13px;color:#d7d1f2;margin-bottom:8px}
.progress-bar{height:9px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.progress-bar i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--pink),var(--violet));box-shadow:0 0 16px rgba(255,158,210,.8);transition:width .3s ease}

.ritual-btn{
  border:0;cursor:pointer;color:#1b1033;font-weight:900;font-size:17px;letter-spacing:.05em;
  padding:16px 34px;border-radius:999px;margin:6px 0 18px;
  background:linear-gradient(135deg,#ffd27a,#ff9ed2 55%,#b79cff);
  box-shadow:0 12px 36px rgba(255,158,210,.42),0 0 0 1px rgba(255,255,255,.34) inset;
  transition:.3s ease;user-select:none;-webkit-user-select:none;touch-action:none;
}
.ritual-btn:hover{transform:translateY(-2px)}
.ritual-btn.holding{transform:scale(.97);filter:saturate(1.25) brightness(1.05);box-shadow:0 6px 24px rgba(255,158,210,.75)}
.ritual-btn:disabled{opacity:.5;cursor:default;transform:none}
.hold-track{width:min(320px,76vw);height:9px;margin:0 auto 12px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.hold-track i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#8fb9ff,#b79cff,#ff9ed2);box-shadow:0 0 14px rgba(183,156,255,.9)}
.wish-orb{width:74px;height:74px;margin:6px auto 18px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#ffd27a 28%,#ff7ac1 62%,#7a5cff);box-shadow:0 0 34px rgba(255,158,210,.9);animation:wishPulse 2s ease-in-out infinite}

/* ---------- Final ---------- */
.final-letter{text-align:left;max-width:640px;margin:0 auto;padding:30px;border-radius:28px;background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));border:1px solid var(--glass-line)}
.final-letter .seal{width:58px;height:58px;margin:-54px auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--gold),var(--pink));font-size:24px;box-shadow:0 8px 26px rgba(255,158,210,.5)}
.final-letter h3{font-size:clamp(24px,5vw,34px);text-align:center;margin:12px 0 18px}
.final-letter p{color:#e7e1ff;margin:0 0 14px}
.quote{border-left:3px solid var(--gold);padding-left:14px;color:#ffe3bd !important}
.sign{text-align:right;color:#d3ccf5 !important;font-size:13px}
.replay-btn{margin-top:16px}

.footer{position:relative;z-index:5;text-align:center;color:#797395;font-size:12px;letter-spacing:.18em;padding:0 0 20px}

/* ---------- Animations ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-12px) rotate(1deg)}}
@keyframes flicker{from{transform:scaleY(1) rotate(-2deg) scaleX(1)}to{transform:scaleY(1.15) rotate(3deg) scaleX(.92)}}
@keyframes pulseGlow{0%,100%{box-shadow:0 10px 40px rgba(255,158,210,.45),0 0 0 1px rgba(255,255,255,.35) inset}50%{box-shadow:0 14px 52px rgba(183,156,255,.72),0 0 0 1px rgba(255,255,255,.5) inset}}
@keyframes wishPulse{0%,100%{transform:scale(1);filter:brightness(1)}50%{transform:scale(1.12);filter:brightness(1.25)}}
@keyframes sparkle{0%,100%{opacity:.3;transform:scale(.7)}50%{opacity:1;transform:scale(1.2)}}

/* ---------- Responsive ---------- */
@media(max-width:720px){
  #main{padding-top:34px}
  .scene{grid-template-columns:1fr}
  .bear-card{min-height:0}
  .candle-rack{gap:2px 7px}
  .candle{width:16px}
  .candle .stick{width:13px;height:36px}
  .gate-title{letter-spacing:.03em}
}

/* ---------- Motto quotes ---------- */
.motto-section{margin:0 0 22px}
.motto-heading{text-align:center;color:#d7d1f2;font-size:13px;letter-spacing:.16em;margin:0 0 12px}
.motto-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.motto-card{padding:20px;text-align:left;animation:riseIn .6s ease both}
.motto-icon{display:block;font-size:24px;margin-bottom:10px}
.motto-card p{color:#e9e3ff;font-size:14px;line-height:1.75;margin:0}

/* ---------- Magic wand / new candle interaction ---------- */
.candle-rack{touch-action:none}
.magic-wand{
  position:fixed;left:0;top:0;z-index:40;width:46px;height:46px;
  margin-left:-23px;margin-top:-23px;pointer-events:none;display:none;
  filter:drop-shadow(0 6px 14px rgba(0,0,0,.35));
  will-change:left,top;
}
.magic-wand.show{display:block}
.wand-flame{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:32px;line-height:1;animation:wandFlicker .34s ease-in-out infinite alternate;
  filter:drop-shadow(0 0 10px rgba(255,180,90,.95)) drop-shadow(0 0 20px rgba(255,132,66,.6));
}
.wand-ray{
  position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,210,122,.55), rgba(255,158,210,.16) 55%, transparent 70%);
  animation:rayPulse 1.4s ease-in-out infinite;
}
.wand-handle{
  position:absolute;left:50%;bottom:-12px;width:7px;height:28px;margin-left:-3.5px;
  background:linear-gradient(180deg,#8a67e8,#4f3aa6);border-radius:999px;opacity:.92;
  transform-origin:50% 0;transform:rotate(-16deg);
}
.spark-star{animation:sparkle 3.2s ease-in-out infinite}

/* ---------- Responsive additions ---------- */
@media(max-width:720px){
  .motto-strip{grid-template-columns:1fr}
  .motto-card p{font-size:14px}
}
@keyframes wandFlicker{from{transform:scale(1) rotate(-4deg)}to{transform:scale(1.14) rotate(4deg)}}
@keyframes rayPulse{0%,100%{transform:scale(1);opacity:.7}50%{transform:scale(1.28);opacity:1}}