:root{color-scheme:light dark;--bg: #fbfbfa;--surface: #ffffff;--sunk: #f3f4f1;--line: #e5e6e2;--line-soft: #eeefeb;--ink: #16181a;--ink-muted: #6c757d;--ink-faint: #98a1a8;--accent: #0e9f6e;--accent-hover: #0b8a5f;--accent-ink: #ffffff;--accent-wash: #e6f6ef;--warn: #96590b;--warn-bg: #fdf3dd;--warn-line: #f0dcae;--danger: #a5271d;--danger-bg: #fdeceb;--danger-line: #f3cdc9;--ok: #07734f;--ok-bg: #e2f6ec;--ok-line: #bfe6d3;--radius: 14px;--radius-sm: 9px;--shadow: 0 1px 2px rgba(16, 24, 28, .05), 0 16px 32px -24px rgba(16, 24, 28, .28);--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}@media (prefers-color-scheme: dark){:root{--bg: #0c0e10;--surface: #141719;--sunk: #1b1f22;--line: #262b2f;--line-soft: #1f2427;--ink: #e8ebed;--ink-muted: #99a2a9;--ink-faint: #6f7981;--accent: #34d399;--accent-hover: #4ade9f;--accent-ink: #04231a;--accent-wash: #0d2a22;--warn: #f0b429;--warn-bg: #241c09;--warn-line: #3d3013;--danger: #ff9b93;--danger-bg: #291414;--danger-line: #452020;--ok: #34d399;--ok-bg: #0c261e;--ok-line: #1c4334;--shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 20px 40px -28px rgba(0, 0, 0, 1)}}*{box-sizing:border-box}body{margin:0;padding:clamp(1.5rem,6vw,4rem) 1.25rem 4rem;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}.shell{max-width:30rem;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem}.head h1{font-size:clamp(1.35rem,4.6vw,1.6rem);font-weight:620;letter-spacing:-.021em;line-height:1.25;margin:0;text-wrap:balance}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:1.1rem}.rows{display:flex;flex-direction:column}.row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line-soft)}.row:first-child{padding-top:0}.row--total{border-bottom:0;padding-bottom:0;padding-top:.85rem;align-items:baseline}.row .label{color:var(--ink-muted);font-size:.9rem}.row--total .label{color:var(--ink);font-weight:560}.row .val{font-weight:560;letter-spacing:-.012em;word-break:break-all;text-align:right}.row--total .val{font-size:clamp(1.5rem,6vw,1.9rem);font-weight:640;letter-spacing:-.035em;color:var(--accent);line-height:1.1}.unit{color:var(--ink-faint);font-weight:450;font-size:.72em;margin-left:.3em;letter-spacing:0}.tip{display:flex;align-items:center;gap:1rem;padding:.9rem 1rem;background:var(--sunk);border-radius:var(--radius-sm)}.tip__control{display:flex;flex-direction:column;gap:.4rem;min-width:0}.tip label{color:var(--ink-muted);font-size:.78rem;font-weight:500;letter-spacing:.01em}.field{position:relative;display:inline-flex;align-items:center;width:6.5rem}.field input{font:inherit;font-weight:600;font-variant-numeric:tabular-nums;width:100%;padding:.5rem 1.8rem .5rem .65rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);transition:border-color .15s,box-shadow .15s}.field input::-webkit-outer-spin-button,.field input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.field input[type=number]{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}.field input:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash)}.field input:disabled{opacity:.5}.field__suffix{position:absolute;right:.65rem;color:var(--ink-faint);font-size:.85rem;pointer-events:none}.tip__amount{font-size:.8rem;color:var(--ink-muted)}.tip__amount b{color:var(--ink);font-weight:600}.tip__cat{display:flex;flex-direction:column;align-items:center;gap:.1rem;margin-left:auto;text-align:center}.cat{width:96px;height:90px;display:block;overflow:visible}.cat__body{transform-origin:60px 100px}.cat__tail{transform-origin:87px 95px}.cat--hungry .cat__body{animation:slump 4.4s ease-in-out infinite}.cat--hungry .cat__tail{animation:tail-droop 4.4s ease-in-out infinite}.cat--fed .cat__body{animation:breathe 3.4s ease-in-out infinite}.cat--fed .cat__tail{animation:tail-sway 3.4s ease-in-out infinite}.cat--dancing .cat__body{animation:dance .62s ease-in-out infinite}.cat--dancing .cat__tail{animation:tail-swish .62s ease-in-out infinite}.cat__note{animation:note-float 1.9s ease-in-out infinite;transform-origin:center}.cat__note--b{animation-delay:.65s;animation-duration:2.2s}@keyframes slump{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(1.5px) rotate(-1.2deg)}}@keyframes tail-droop{0%,to{transform:rotate(0)}50%{transform:rotate(7deg)}}@keyframes breathe{0%,to{transform:scale(1)}50%{transform:scale(1.035)}}@keyframes tail-sway{0%,to{transform:rotate(-5deg)}50%{transform:rotate(6deg)}}@keyframes dance{0%,to{transform:rotate(-7deg) translateY(0)}50%{transform:rotate(7deg) translateY(-6px)}}@keyframes tail-swish{0%,to{transform:rotate(-16deg)}50%{transform:rotate(18deg)}}@keyframes note-float{0%{transform:translateY(4px) scale(.85);opacity:0}25%{opacity:.95}to{transform:translateY(-14px) scale(1.05);opacity:0}}button{font:inherit;font-weight:580;letter-spacing:-.005em;border:1px solid transparent;border-radius:var(--radius-sm);padding:.75rem 1.1rem;cursor:pointer;transition:background-color .15s,border-color .15s,transform .06s,opacity .15s}button:active:not(:disabled){transform:translateY(1px)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink);width:100%}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}.btn-ghost:hover:not(:disabled){border-color:var(--ink-faint)}.btn-row{display:flex;gap:.6rem;flex-wrap:wrap}.btn-row button{flex:1 1 9rem}.note{border:1px solid;border-radius:var(--radius-sm);padding:.8rem .9rem;font-size:.86rem;line-height:1.5}.note b{display:block;margin-bottom:.15rem;font-weight:600}.note--warn{background:var(--warn-bg);border-color:var(--warn-line);color:var(--warn)}.note--error{background:var(--danger-bg);border-color:var(--danger-line);color:var(--danger)}.note--ok{background:var(--ok-bg);border-color:var(--ok-line);color:var(--ok)}.note a{color:inherit;font-weight:600}.note label{display:flex;align-items:center;gap:.45rem;margin-top:.55rem;color:var(--ink);font-size:.85rem;cursor:pointer}.note input[type=checkbox]{accent-color:var(--accent);width:1rem;height:1rem}.note pre{white-space:pre-wrap;word-break:break-word;margin:.6rem 0 0;font-family:var(--mono);font-size:.74rem;line-height:1.45;color:var(--ink-muted);max-height:8.5rem;overflow:auto;background:var(--surface);border-radius:6px;padding:.5rem .6rem}.skeleton{height:2.6rem;border-radius:var(--radius-sm);margin-bottom:.4rem;background:linear-gradient(90deg,var(--sunk) 25%,var(--line) 50%,var(--sunk) 75%) 0 0 / 200% 100%;animation:shimmer 1.4s linear infinite}.skeleton:last-of-type{width:60%}@keyframes shimmer{to{background-position:-200% 0}}.status{display:flex;align-items:center;justify-content:center;gap:.5rem;color:var(--ink-muted);font-size:.88rem}.spinner{width:14px;height:14px;flex:none;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.link{background:none;border:0;padding:0;margin-left:auto;font:inherit;font-size:.76rem;color:var(--ink-faint);text-decoration:underline;text-underline-offset:2px;cursor:pointer}.link:hover{color:var(--ink)}.addr{display:flex;align-items:center;gap:.45rem;font-family:var(--mono);font-size:.76rem;color:var(--ink-faint)}.addr:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}.center{text-align:center}.muted{color:var(--ink-muted)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}