:root{--bg: #f6efe3;--card: #fffaf2;--ink: #2b2118;--muted: #8a7a68;--line: #e4d6c1;--accent: #c8402e;--accent-ink: #fff;--accent-soft: #f7ddd5;--good: #3d8a4f;--shadow: 0 1px 2px rgb(60 40 20 / .06), 0 4px 16px rgb(60 40 20 / .06);color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #1c1712;--card: #27201a;--ink: #f3e9dc;--muted: #a8977f;--line: #3d3228;--accent: #e3634e;--accent-ink: #1c1712;--accent-soft: #4a2a22;--good: #6cc180;--shadow: none;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}h1,h2{margin:0;letter-spacing:-.01em}h2{font-size:1.15rem;margin-bottom:.6rem}ul{list-style:none;margin:0;padding:0}.muted{color:var(--muted)}.grow{flex:1;min-width:0}.center{min-height:100vh;display:grid;place-content:center;gap:1rem;text-align:center;padding:1rem}.app{max-width:560px;margin:0 auto;min-height:100vh;padding:0 16px calc(84px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(14px + env(safe-area-inset-top)) 0 14px}.topbar h1{font-size:1.2rem}.stack{display:flex;flex-direction:column;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.tabs{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;gap:4px;background:var(--card);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom))}.tab{flex:1;max-width:180px;display:flex;flex-direction:column;align-items:center;gap:2px;border:0;background:none;color:var(--muted);font:inherit;font-size:.78rem;padding:6px;border-radius:10px;cursor:pointer}.tab span{font-size:1.3rem;filter:grayscale(1);opacity:.6}.tab.active{color:var(--ink);font-weight:600}.tab.active span{filter:none;opacity:1}.btn{border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-weight:600;padding:10px 16px;border-radius:12px;cursor:pointer}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.danger{background:transparent;border-color:var(--accent);color:var(--accent)}.btn.small{padding:6px 12px;font-size:.9rem;border-radius:10px}.btn.big{padding:14px 20px;font-size:1.1rem}.btn.dashed{border-style:dashed;background:transparent;color:var(--muted)}.link{border:0;background:none;color:var(--muted);font:inherit;text-decoration:underline;text-underline-offset:2px;cursor:pointer;padding:4px}.link.small{font-size:.85rem}.link:disabled{opacity:.45;cursor:not-allowed}input{width:100%;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px}input:focus{outline:2px solid var(--accent);outline-offset:-1px}label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--muted)}.auth{min-height:100vh;display:grid;place-items:center;padding:16px}.auth-card{width:100%;max-width:360px;text-align:center;display:flex;flex-direction:column;gap:10px}.auth-logo{font-size:3rem}.auth form{display:flex;flex-direction:column;gap:12px;text-align:left;margin-top:12px}.notice{background:var(--accent-soft);border-radius:10px;padding:10px;margin:0;font-size:.9rem}.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.balance{font-size:2.4rem;font-weight:800;line-height:1.1}.balance span{font-size:1rem;font-weight:500;color:var(--muted)}.balance.small{font-size:1.6rem}.week-pill{background:var(--accent-soft);color:var(--ink);font-size:.8rem;padding:4px 10px;border-radius:99px;white-space:nowrap}.center-text{text-align:center;margin:0}.switch{display:flex;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:3px}.switch button{flex:1;border:0;background:none;font:inherit;color:var(--muted);padding:8px;border-radius:9px;cursor:pointer}.switch button.on{background:var(--accent-soft);color:var(--ink);font-weight:600}.card.calendar{padding:14px 12px}.month-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.month-nav h2{margin:0}.month{display:flex;flex-direction:column;gap:3px;transition:opacity .15s}.month.loading{opacity:.4}.weekdays,.week{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}.weekdays span{text-align:center;font-size:.75rem;color:var(--muted)}.week{border-radius:12px}.week.current{background:color-mix(in srgb,var(--accent-soft) 70%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent-soft) 70%,transparent)}.day{position:relative;aspect-ratio:1;display:grid;place-items:center;border:1.5px dashed var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;padding:0;cursor:pointer}.day:disabled{cursor:default}.day.blank{border:0;background:none}.day.future{opacity:.35}.day.stamped,.day.used{border:2px solid var(--accent);background:var(--accent-soft)}.day.used{opacity:.5}.day.today{outline:2px solid var(--ink);outline-offset:1px}.day .num{position:absolute;top:3px;left:5px;font-size:.7rem;line-height:1;color:var(--muted)}.day .stamp{margin-top:9px;font-size:clamp(.9rem,4.8vw,1.4rem);transform:rotate(var(--tilt))}.day .stamp.pop{animation:stamp .45s cubic-bezier(.2,1.6,.4,1)}.day .check{position:absolute;bottom:2px;right:4px;font-size:.7rem;font-weight:700;color:var(--good)}@keyframes stamp{0%{transform:rotate(var(--tilt)) scale(2.2);opacity:0}to{transform:rotate(var(--tilt)) scale(1);opacity:1}}.btn.wide{width:100%;margin-top:14px}.legend{font-size:.85rem;text-align:center;margin:0}.section-head{display:flex;justify-content:space-between;align-items:center}.section-head h2{margin:0}.balance-chip{background:var(--accent-soft);padding:4px 12px;border-radius:99px;font-weight:600;font-size:.9rem}.rewards{display:flex;flex-direction:column;gap:10px}.reward{display:flex;align-items:center;gap:14px;padding:14px}.reward.affordable{border-color:var(--accent)}.reward-emoji{font-size:2rem;width:2.6rem;text-align:center;flex-shrink:0}.reward-body{flex:1;min-width:0;font-size:.9rem}.reward-name{font-weight:600;font-size:1rem}.reward-actions{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.reward-actions .link.small{padding:8px 6px;min-height:36px}.progress{display:block;height:5px;background:var(--line);border-radius:99px;margin-top:6px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--accent);border-radius:99px}.reward-main{flex:1;min-width:0;display:flex;align-items:center;gap:14px;border:0;background:none;color:inherit;font:inherit;text-align:left;padding:0;cursor:pointer}.reward-body>span{display:block}.sale-banner{background:var(--accent);color:var(--accent-ink);border-radius:12px;padding:10px 14px;text-align:center}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;align-items:flex-end;justify-content:center;background:#0006;animation:fade .15s ease-out}.sheet{width:100%;max-width:560px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;background:var(--card);border-radius:20px 20px 0 0;padding:24px 20px calc(20px + env(safe-area-inset-bottom));animation:slide-up .2s ease-out}.sheet p{margin:0}.sheet-emoji{font-size:3rem}.sheet-price{font-size:1.2rem;font-weight:700}@keyframes fade{0%{opacity:0}}@keyframes slide-up{0%{transform:translateY(100%)}}.add-form{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.end{justify-content:flex-end}.emoji-input{width:4.5rem}.emoji-input input{text-align:center}.cost-input{width:5.5rem}.add-form .grow{min-width:10rem}.feed li{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.92rem}.feed li:last-child{border-bottom:0}.feed-icon{font-size:1.3rem;width:1.8rem;text-align:center;flex-shrink:0}.feed-actions{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.delta{font-weight:700;font-variant-numeric:tabular-nums}.delta.plus{color:var(--good)}.delta.minus{color:var(--accent)}.owed{border-color:var(--accent)}.toast{position:fixed;left:50%;bottom:calc(80px + env(safe-area-inset-bottom));transform:translate(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:99px;font-weight:600;font-size:.92rem;max-width:calc(100% - 32px);text-align:center;box-shadow:0 6px 20px #0003;animation:rise .2s ease-out;z-index:20}@keyframes rise{0%{opacity:0;transform:translate(-50%,8px)}}