:root{--bg: #ffffff;--fg: #020817;--muted: #64748b;--border: #e2e8f0;--surface: #f1f5f9;--primary: #2563eb;--primary-fg: #f8fafc;--ink: #0f172a;--ok: #16a34a;--ok-bg: #e4fbed;--danger: #dc2626;--danger-bg: #fee1e1;--warn-bg: #fef3c8;--warn-fg: #b45309;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;min-height:100dvh}.screen{display:flex;flex-direction:column;gap:14px;padding:max(14px,env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom));flex:1}.grow{flex:1}h1{font-size:20px;font-weight:700;letter-spacing:-.01em}h2{font-size:14px;font-weight:600}.sub{font-size:13px;color:var(--muted);margin-top:-10px}.hdr{display:flex;flex-direction:column;gap:2px}.hdr .row{display:flex;align-items:center;justify-content:space-between;gap:12px}.back{background:none;border:0;color:var(--muted);font:inherit;font-size:14px;padding:0;cursor:pointer}.num{font-variant-numeric:tabular-nums}button{font:inherit;cursor:pointer}.btn{border:0;border-radius:var(--radius);padding:15px 16px;font-size:15px;font-weight:600;width:100%;display:block;text-align:center}.btn.primary{background:var(--primary);color:var(--primary-fg)}.btn.ok{background:var(--ok);color:#fff}.btn.outline{background:var(--bg);color:var(--fg);border:1px solid var(--border)}.btn.ghost{background:none;color:var(--muted);font-weight:500}.btn:disabled{opacity:.5;cursor:default}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:500;color:var(--muted)}input[type=text],input[type=password],input[type=search]{font:inherit;width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--fg)}input:focus-visible{outline:2px solid var(--primary);outline-offset:1px;border-color:transparent}.error{color:var(--danger);font-size:13px;min-height:1.2em}.logo{text-align:center;font-size:22px;font-weight:700;margin-top:24px}.logo span{color:var(--primary)}.pin-dots{display:flex;gap:12px;justify-content:center;padding:8px 0}.pin-dots i{width:18px;height:18px;border-radius:999px;background:var(--border);display:block}.pin-dots i.on{background:var(--ink)}.pin-input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}.scanbox{background:var(--ink);border-radius:20px;height:300px;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;overflow:hidden;position:relative}.scanbox video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.scanbox .frame{width:170px;height:170px;border:2px solid rgba(255,255,255,.4);border-radius:18px;display:grid;place-items:center;z-index:1}.scanbox .frame i{display:block;width:130px;height:2px;background:#4ade80}.scanbox .cap{font-size:13px;color:#ffffffb3;z-index:1}.searchrow{display:flex;gap:8px}.searchrow input{flex:1}.searchrow .btn{width:auto;padding:13px 18px}.balance-box{background:var(--surface);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:2px}.balance-box .cap{font-size:12px;color:var(--muted)}.balance-box .value{display:flex;align-items:baseline;gap:8px}.balance-box .value b{font-size:34px;font-weight:700;font-variant-numeric:tabular-nums}.balance-box .value span{font-size:14px;color:var(--muted)}.meta-row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding:0 4px}.note{border-radius:var(--radius);padding:10px 14px;font-size:12px;background:var(--surface);color:var(--muted)}.note.warn{background:var(--warn-bg);color:var(--warn-fg)}.note.ok{background:var(--ok-bg);color:var(--ok)}.note.err{background:var(--danger-bg);color:var(--danger)}.amount-box{background:var(--surface);border-radius:16px;padding:16px 20px;display:flex;flex-direction:column;gap:2px;align-items:center}.amount-box .cap{font-size:12px;color:var(--muted)}.amount-box .value{font-size:36px;font-weight:700;font-variant-numeric:tabular-nums}.calc{border-radius:var(--radius);padding:12px 16px;display:flex;justify-content:space-between;align-items:center;background:var(--ok-bg);color:var(--ok);font-size:14px}.calc b{font-size:16px;font-variant-numeric:tabular-nums}.calc.pending{background:var(--surface);color:var(--muted)}.limits{border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;display:flex;flex-direction:column;gap:8px}.limits:empty{display:none}.limits .line{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}.limits .line b{color:var(--fg);font-size:14px;font-variant-numeric:tabular-nums}.limits .line.total{font-size:14px;color:var(--fg);font-weight:600}.limits .line.total b{color:var(--danger);font-size:16px}.limits hr{border:0;border-top:1px solid var(--border)}.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:4px 20px}.numpad button{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px 0;font-size:20px;font-weight:600;font-variant-numeric:tabular-nums}.numpad button:active{background:var(--surface)}.stamps{display:flex;flex-direction:column;gap:12px;align-items:center;padding:10px 0}.stamps .row{display:flex;gap:12px}.stamp{width:54px;height:54px;border-radius:999px;display:grid;place-items:center;font-size:15px;font-weight:600;background:var(--surface);border:1.5px solid var(--border);color:var(--muted)}.stamp.done{background:var(--primary);border-color:var(--primary);color:#fff;font-size:20px}.stamp.next{border-color:var(--primary);border-style:dashed;color:var(--primary)}.op-card{border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:12px}.op-card .what{font-size:14px}.op-card .who{font-size:12px;color:var(--muted)}.op-card .right{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.op-card .amt{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}.op-card .amt.plus{color:var(--ok)}.op-card .amt.minus{color:var(--danger)}.op-card .amt.muted{color:var(--muted)}.op-card .cancel{background:var(--surface);border:0;border-radius:8px;padding:4px 10px;font-size:12px;color:var(--muted)}.footnote{font-size:12px;color:var(--muted);text-align:center}.empty{font-size:13px;color:var(--muted)}