*{box-sizing:border-box}
:root{
  --bg:#090d18;
  --bg2:#10172a;
  --card:rgba(255,255,255,.075);
  --card2:rgba(255,255,255,.11);
  --text:#f7f4ef;
  --muted:#b7bdcc;
  --line:rgba(255,255,255,.13);
  --accent:#ffb7c6;
  --accent2:#ffd8a8;
  --shadow:0 18px 50px rgba(0,0,0,.24);
}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{min-height:100dvh;overflow-x:hidden}
button{font:inherit}
.app{
  position:relative;
  min-height:100dvh;
  overflow:hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(255,183,198,.11), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(149,173,255,.10), transparent 26%),
    linear-gradient(180deg,var(--bg2),var(--bg));
}
.stars{position:absolute;inset:0;pointer-events:none;opacity:.75;background-image:
  radial-gradient(circle at 20% 30%,rgba(255,255,255,.75) 0 1px,transparent 1.4px),
  radial-gradient(circle at 72% 18%,rgba(255,255,255,.65) 0 1px,transparent 1.4px),
  radial-gradient(circle at 88% 64%,rgba(255,255,255,.55) 0 1px,transparent 1.4px),
  radial-gradient(circle at 35% 82%,rgba(255,255,255,.45) 0 1px,transparent 1.4px);
background-size:220px 220px,260px 260px,310px 310px,280px 280px}
.topbar{
  position:fixed;z-index:40;top:0;left:0;right:0;
  padding:calc(12px + env(safe-area-inset-top)) 18px 10px;
  background:linear-gradient(180deg,rgba(9,13,24,.94),rgba(9,13,24,.35),transparent)
}
.tiny-route{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center;justify-content:center;letter-spacing:.03em}
.tiny-route span{color:var(--accent)}
.progress{height:3px;background:rgba(255,255,255,.09);border-radius:99px;overflow:hidden;margin-top:10px}
.progress span{display:block;width:11%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .45s ease}
.scene{display:none;position:relative;z-index:2;min-height:100dvh;padding:calc(78px + env(safe-area-inset-top)) 18px calc(30px + env(safe-area-inset-bottom))}
.scene.is-active{display:flex;animation:sceneIn .55s ease both}
@keyframes sceneIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.scene-inner{width:min(100%,720px);margin:auto;display:flex;flex-direction:column;gap:18px}
.center{text-align:center;align-items:center}
.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.16em;font-size:11px;color:var(--accent)}
h1,h2,h3,p{margin:0}
h1{font-size:clamp(34px,10vw,62px);line-height:1.04;letter-spacing:-.045em}
h2{font-size:clamp(28px,8vw,48px);line-height:1.08;letter-spacing:-.035em}
h3{font-size:26px;line-height:1.1}
.big-soft{font-size:clamp(22px,7vw,32px);color:#fff0f3}
.note{color:var(--muted);line-height:1.6}
.primary,.ghost{
  min-height:52px;border-radius:18px;padding:13px 20px;border:0;cursor:pointer;
  transition:transform .15s ease,opacity .15s ease,background .15s ease
}
.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#1a1420;font-weight:800;box-shadow:var(--shadow)}
.primary:active,.ghost:active,.envelope:active,.heart-target:active,.candle:active{transform:scale(.97)}
.primary:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}
.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.copy-stack{display:grid;gap:12px;font-size:19px;line-height:1.6;color:#e8e7ed}
.accent-line{color:#ffe7ec;font-weight:750}
.distance-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:26px;padding:20px}
.place{display:grid;gap:2px}
.place.right{text-align:right}
.place strong{font-size:15px}
.place small{color:var(--muted);font-size:11px}
.dot{width:9px;height:9px;border-radius:99px;background:var(--accent);box-shadow:0 0 0 5px rgba(255,183,198,.08);margin-bottom:6px}
.place.right .dot{margin-left:auto}
.route-line{height:1px;background:linear-gradient(90deg,var(--line),rgba(255,183,198,.55),var(--line));position:relative}
.traveler{position:absolute;top:50%;left:0;transform:translate(-50%,-50%);font-size:14px;color:var(--accent);animation:travel 3.4s ease-in-out infinite}
@keyframes travel{0%,100%{left:5%}50%{left:95%}}
.stack-cards{display:grid;gap:12px}
.story-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;line-height:1.55;color:#e7e7ed}
.story-card.strong{background:rgba(255,183,198,.10);color:#fff4f6;font-weight:750}
.envelope-grid{display:grid;grid-template-columns:1fr;gap:10px}
.envelope{
  width:100%;text-align:left;display:grid;grid-template-columns:42px 1fr;align-items:center;gap:12px;
  padding:16px;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:20px;cursor:pointer
}
.envelope span{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.07);color:var(--accent);font-size:12px;font-weight:800}
.envelope.opened{background:rgba(255,183,198,.08);border-color:rgba(255,183,198,.28)}
.envelope.locked{opacity:.42}
.mini-status{text-align:center;color:var(--muted);font-size:13px}
.memory-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(82%,1fr);gap:14px;overflow-x:auto;padding:3px 2px 12px;scroll-snap-type:x mandatory}
.memory-strip::-webkit-scrollbar{height:6px}.memory-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px}
.memory-card{scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:12px;display:grid;gap:12px}
.memory-card p{line-height:1.5;color:#e9e6ec;font-size:15px}
.media-slot{position:relative;aspect-ratio:4/5;border-radius:18px;overflow:hidden;background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.18)}
.media-slot.phone-shot{aspect-ratio:9/16}
.media-slot img{width:100%;height:100%;object-fit:cover;display:block}
.media-slot .placeholder{display:none;position:absolute;inset:0;place-items:center;text-align:center;padding:20px;color:var(--muted);background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02));line-height:1.5}
.media-slot.missing img{display:none}.media-slot.missing .placeholder{display:grid}
.game-stats{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.game-stats b{color:var(--text);font-size:18px}
.heart-arena{position:relative;height:310px;border:1px solid var(--line);border-radius:28px;background:radial-gradient(circle at 50% 50%,rgba(255,183,198,.08),transparent 55%),rgba(255,255,255,.035);overflow:hidden}
.heart-target{position:absolute;width:58px;height:58px;border:0;border-radius:50%;display:grid;place-items:center;background:#fff0f3;color:#d95f7a;font-size:28px;box-shadow:0 12px 30px rgba(0,0,0,.25);cursor:pointer;transition:left .2s ease,top .2s ease,transform .12s ease}
.game-finish{text-align:center;display:grid;gap:7px;place-items:center;padding:18px;border-radius:20px;background:rgba(255,183,198,.08);border:1px solid rgba(255,183,198,.18)}
.big-heart{font-size:42px;color:var(--accent)}
.cake{display:grid;place-items:center;margin:10px auto}
.candles{display:flex;gap:12px;align-items:flex-end;height:70px}
.candle{position:relative;width:18px;height:48px;border:0;border-radius:8px 8px 3px 3px;background:repeating-linear-gradient(45deg,#fff0f3 0 6px,#f2a8b9 6px 12px);cursor:pointer}
.flame{position:absolute;width:16px;height:24px;left:50%;top:-23px;transform:translateX(-50%);border-radius:60% 40% 55% 45%;background:radial-gradient(circle at 50% 70%,#fff8c9 0 22%,#ffbd6b 25% 60%,#f57f6c 62%);filter:drop-shadow(0 0 8px rgba(255,190,100,.8));animation:flicker .8s ease-in-out infinite alternate}
@keyframes flicker{to{transform:translateX(-50%) rotate(4deg) scale(.92)}}
.candle.out{opacity:.55}.candle.out .flame{display:none}
.cake-top{width:210px;height:26px;border-radius:22px 22px 8px 8px;background:#ffd5dd;margin-top:-3px}
.cake-body{width:230px;height:110px;border-radius:18px 18px 26px 26px;background:linear-gradient(180deg,#fff0f3,#efc4cf);display:grid;place-items:center;font-size:44px}
.wish-text{color:var(--muted)}
.childhood-frame{width:min(100%,430px);padding:10px;border-radius:28px;background:var(--card);border:1px solid var(--line)}
.final-photo{aspect-ratio:4/5}
.childhood-copy{line-height:1.6;color:#e9e7ee}
.final-letter{padding-top:14px}
.letter{display:grid;gap:14px;font-size:17px;line-height:1.72;color:#ece9ef}
.letter-end{font-weight:800;color:#fff2f5}
.signature{display:grid;gap:2px;padding-top:4px}
.signature span{font-size:13px;color:var(--muted)}
.signature strong{font-size:36px;letter-spacing:-.04em;color:#ffe4ea}
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:end center;padding:20px}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(3,5,12,.72);backdrop-filter:blur(8px)}
.modal-card{position:relative;z-index:2;width:min(100%,520px);background:#151b2c;border:1px solid var(--line);border-radius:28px;padding:24px;display:grid;gap:15px;box-shadow:0 30px 70px rgba(0,0,0,.45)}
.modal-card p:not(.eyebrow){line-height:1.65;color:#e9e7ed}
.modal-close{position:absolute;right:12px;top:10px;width:42px;height:42px;border-radius:14px;border:0;background:rgba(255,255,255,.06);color:var(--text);font-size:28px;cursor:pointer}
.confetti{pointer-events:none;position:fixed;inset:0;z-index:120;overflow:hidden}
.confetti i{position:absolute;top:-12px;width:8px;height:14px;border-radius:3px;background:var(--accent);animation:fall 1.5s ease-in forwards}
@keyframes fall{to{transform:translateY(110dvh) rotate(480deg);opacity:.85}}
@media (min-width:700px){
  .scene{padding-left:28px;padding-right:28px}
  .envelope-grid{grid-template-columns:1fr 1fr}
  .envelope-grid .envelope:last-child{grid-column:1/-1}
  .memory-strip{grid-auto-columns:44%}
  .heart-arena{height:380px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
}