:root{--bg: #1a0f0a;--fg: #fff5e6;--muted: #a89078;--accent: #ff9f43;--accent-deep: #e17055;--card: #2a1810;--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:PingFang SC,Noto Sans SC,system-ui,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--fg)}.app{max-width:430px;margin:0 auto;min-height:100dvh;position:relative}.btn{border:none;border-radius:999px;padding:.75rem 1.25rem;font-size:1rem;font-weight:600;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#1a0f0a}.btn-secondary{background:#3d2818;color:var(--fg)}.btn-ghost{background:transparent;color:var(--muted);margin-top:1rem}.btn-lg{padding:1rem 1.75rem;font-size:1.1rem;width:100%;max-width:280px}.icon-btn{background:#ffffff14;border:none;border-radius:50%;width:40px;height:40px;font-size:1.1rem;cursor:pointer}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;padding-top:max(.75rem,env(safe-area-inset-top));position:sticky;top:0;z-index:10;background:linear-gradient(to bottom,var(--bg) 70%,transparent)}.logo{font-weight:700}.landing{display:flex;flex-direction:column;justify-content:space-between;padding:1.5rem;padding-bottom:calc(1.5rem + var(--safe-bottom))}.landing-bg{position:fixed;inset:0;max-width:430px;margin:0 auto;background:radial-gradient(circle at 20% 30%,rgba(255,159,67,.15),transparent 45%),radial-gradient(circle at 80% 70%,rgba(225,112,85,.12),transparent 40%),repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(255,255,255,.02) 40px,rgba(255,255,255,.02) 41px);pointer-events:none;animation:lantern 6s ease-in-out infinite alternate}@keyframes lantern{0%{filter:brightness(1)}to{filter:brightness(1.08)}}.landing-main{flex:1;display:flex;flex-direction:column;justify-content:center;gap:1rem;position:relative;z-index:1}.landing-tag{color:var(--accent);font-size:.85rem;letter-spacing:.08em}.landing-title{font-size:1.75rem;line-height:1.35;margin:0}.landing-desc{color:var(--muted);line-height:1.6;margin:0}.landing-sound{display:flex;align-items:center;gap:.5rem;color:var(--muted);font-size:.85rem;margin-top:.5rem}.landing-foot{text-align:center;color:var(--muted);font-size:.8rem;position:relative;z-index:1;display:flex;flex-direction:column;gap:.5rem}.landing-3d-link{color:var(--accent);text-decoration:none;font-size:.85rem}.street-scroll{overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;display:flex;align-items:stretch;height:calc(100dvh - 56px);scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.street-lane{position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,#0d0806,transparent);pointer-events:none;z-index:2}.street-section{flex:0 0 88vw;max-width:380px;scroll-snap-align:start;padding:1rem .75rem 6rem;display:flex;flex-direction:column;gap:.75rem}.section-sign{background:linear-gradient(135deg,#3d2818,#2a1810);border-radius:12px;padding:.75rem 1rem;border-left:4px solid var(--accent)}.section-sign h2{margin:0;font-size:1.15rem}.section-sign p{margin:.25rem 0 0;color:var(--muted);font-size:.85rem}.stall-row{display:flex;flex-direction:column;gap:.65rem;flex:1;overflow-y:auto}.stall-wrap{scroll-snap-align:center}.stall-card{width:100%;text-align:left;display:flex;gap:.75rem;padding:.75rem;border-radius:16px;border:1px solid rgba(255,255,255,.06);background:linear-gradient(145deg,var(--accent-a),var(--accent-b));color:var(--fg);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.stall-card:active{transform:scale(.98)}.stall-card--open{box-shadow:0 0 0 2px var(--accent)}.stall-card__visual{position:relative;width:72px;height:72px;flex-shrink:0;background:#00000040;border-radius:12px;display:flex;align-items:center;justify-content:center}.stall-card__emoji{font-size:2.25rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.stall-card__steam{position:absolute;top:4px;width:8px;height:16px;background:#fff3;border-radius:50%;filter:blur(4px);animation:steam 2s ease-in-out infinite}@keyframes steam{0%{opacity:0;transform:translateY(0) scale(.8)}50%{opacity:.6}to{opacity:0;transform:translateY(-12px) scale(1.2)}}.stall-card__name{margin:0;font-size:1.05rem}.stall-card__copy{margin:.25rem 0 0;font-size:.82rem;opacity:.9;line-height:1.45}.stall-card__hint{margin:.5rem 0 0;font-size:.75rem;color:#ffd89b}.street-end{flex:0 0 70vw;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem 1.5rem;scroll-snap-align:end;text-align:center}.result-page{padding:1.5rem;padding-bottom:calc(2rem + var(--safe-bottom))}.result-kicker{color:var(--accent);font-size:.9rem;margin:0}.result-title{font-size:1.65rem;margin:.5rem 0;line-height:1.4}.result-sub{color:var(--muted);margin:0 0 1rem}.result-examples{list-style:none;padding:1rem;margin:0 0 1rem;background:var(--card);border-radius:12px}.result-examples li{padding:.35rem 0;border-bottom:1px solid rgba(255,255,255,.06)}.result-examples li:last-child{border-bottom:none}.result-explainer{color:var(--muted);font-size:.9rem;line-height:1.65}.result-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}.share-hint{text-align:center;color:var(--accent);font-size:.85rem}.shared-view .result-page{min-height:80dvh;display:flex;flex-direction:column;justify-content:center}body{overscroll-behavior:none}.fs3d-loading{min-height:100dvh;display:grid;place-items:center;background:#0a0812;color:#fff5e6}