:root{--paper: #FBFAF7;--card: #FFFFFF;--ink: #1A1D1A;--ink-soft: #5A615A;--line: #E4E2DB;--line-strong:#C7C4BA;--accent: #1F5C3D;--accent-soft:#E7F0EA;--danger: #9B2C2C;--amber: #8A6D1F;--mono: "SFMono-Regular", "JetBrains Mono", "Menlo", "Consolas", monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;--radius: 8px;--shadow: 0 1px 2px rgba(20,25,20,.04), 0 4px 16px rgba(20,25,20,.05)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);padding:24px 16px;background:linear-gradient(180deg,#FFFFFF,var(--paper));position:sticky;top:0;height:100vh}.brand{display:flex;align-items:baseline;gap:8px;margin-bottom:28px;padding:0 8px}.brand .mark{font-family:var(--mono);font-weight:700;color:var(--accent);border:1.5px solid var(--accent);border-radius:5px;padding:2px 6px;font-size:13px}.brand .who{font-size:12px;color:var(--ink-soft);line-height:1.2}.nav{display:flex;flex-direction:column;gap:2px}.nav button{text-align:left;background:none;border:none;cursor:pointer;font:inherit;color:var(--ink-soft);padding:9px 10px;border-radius:6px;display:flex;align-items:center;gap:10px}.nav button:hover{background:var(--paper);color:var(--ink)}.nav button.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.nav .num{font-family:var(--mono);font-size:11px;opacity:.6;width:16px}.main{padding:32px 40px 80px;max-width:1100px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px}.page-head h1{font-size:22px;margin:0;font-weight:650;letter-spacing:-.01em}.page-head .sub{color:var(--ink-soft);font-size:13px;margin-top:2px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card+.card{margin-top:20px}.card-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.card-head h2{font-size:14px;margin:0;font-weight:650;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}.card-body{padding:16px 18px}.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}.tile .label{font-size:12px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em}.tile .value{font-family:var(--mono);font-size:24px;margin-top:6px;font-weight:600}.tile.pos .value{color:var(--accent)}.tile.neg .value{color:var(--danger)}.tile .unit{font-size:13px;color:var(--ink-soft);font-weight:400}table.ledger{width:100%;border-collapse:collapse}table.ledger th,table.ledger td{padding:9px 10px;text-align:left}table.ledger thead th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);border-bottom:1px solid var(--line-strong);font-weight:600}table.ledger tbody td{border-bottom:1px solid var(--line)}table.ledger tbody tr:hover td{background:#fcfbf8}table.ledger .num{font-family:var(--mono);text-align:right;font-variant-numeric:tabular-nums}table.ledger .total td{border-top:2px solid var(--ink);border-bottom:none;font-weight:700;padding-top:11px}table.ledger .total .num{color:var(--accent)}.muted{color:var(--ink-soft)}.pill{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600;display:inline-block}.pill.draft{background:#f0eee8;color:var(--ink-soft)}.pill.sent{background:#e8eff6;color:#2c5680}.pill.paid,.pill.auto{background:var(--accent-soft);color:var(--accent)}.pill.manual,.pill.derived{background:#f5eedd;color:var(--amber)}button.btn{font:inherit;cursor:pointer;border-radius:6px;padding:8px 14px;border:1px solid var(--line-strong);background:var(--card);color:var(--ink);font-weight:550}button.btn:hover{border-color:var(--ink-soft)}button.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.btn.primary:hover{background:#17492f}button.btn.ghost{border-color:transparent;background:none;color:var(--ink-soft)}button.btn.ghost:hover{color:var(--danger)}button.btn.sm{padding:5px 10px;font-size:12.5px}.row{display:flex;gap:10px;align-items:center}.row.wrap{flex-wrap:wrap}.spacer{flex:1}label.field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--ink-soft)}label.field input,label.field select,label.field textarea{font:inherit;color:var(--ink);padding:8px 10px;border:1px solid var(--line-strong);border-radius:6px;background:var(--card)}label.field input:focus,label.field select:focus,label.field textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#14191459;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;z-index:50;overflow:auto}.modal{background:var(--card);border-radius:12px;width:100%;max-width:760px;box-shadow:0 20px 60px #00000040}.modal-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-head h2{margin:0;font-size:16px}.modal-body{padding:22px}.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}.line-row{display:grid;grid-template-columns:32px 1fr 80px 90px 90px 32px;gap:8px;align-items:center}.line-row+.line-row{margin-top:8px}.line-row .idx{font-family:var(--mono);color:var(--ink-soft);text-align:center;font-size:12px}.line-row input{padding:7px 9px}.empty{text-align:center;padding:40px;color:var(--ink-soft)}.empty .big{font-size:15px;color:var(--ink);margin-bottom:6px}.toast{position:fixed;bottom:24px;right:24px;background:var(--ink);color:#fff;padding:12px 18px;border-radius:8px;box-shadow:var(--shadow);font-size:13px;z-index:100}.toast.err{background:var(--danger)}.explain{font-size:12px;color:var(--ink-soft);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:10px 12px;margin-bottom:14px}a.link{color:var(--accent);text-decoration:none;font-weight:550}a.link:hover{text-decoration:underline}@media(max-width:720px){.app{grid-template-columns:1fr}.sidebar{position:static;height:auto;display:none}.tiles,.grid2,.grid3{grid-template-columns:1fr}.main{padding:20px}}.year-picker{margin:0 8px 20px}.year-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:5px}.year-picker select{width:100%;font:inherit;font-weight:600;color:var(--ink);padding:8px 10px;border:1px solid var(--line-strong);border-radius:6px;background:var(--card);cursor:pointer}.year-picker select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}