:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}:root{color-scheme:dark;--bg: #0f1115;--card: #1a1d24;--field: #232733;--text: #e6e9ef;--muted: #9aa3b2;--border: #2a2f3a;--accent: #4d82ff;--pos: #34c77b;--neg: #ff6b5e;--danger: #ff6b5e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}.app{max-width:560px;margin:0 auto;padding:16px 14px 64px}.appHeader{position:sticky;top:0;background:var(--bg);padding:8px 0 12px;z-index:5}.brand{font-size:22px;font-weight:800;letter-spacing:.2px}.headerRow,.headerActions{display:flex;gap:8px;margin-top:8px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px;margin-top:12px;box-shadow:0 1px 3px #0000004d}.cardTitle{font-size:15px;font-weight:700;margin:0 0 10px}.cardTitleRow{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.row{display:flex;gap:8px;align-items:flex-end}.col{flex:1}.label{display:block;color:var(--muted);font-size:12px;margin:8px 0 4px}.muted{color:var(--muted)}.small{font-size:12px}.input,select.input{width:100%;padding:11px 12px;border-radius:12px;border:1px solid var(--border);background:var(--field);color:var(--text);font-size:15px;outline:none}.input:focus{border-color:var(--accent)}button{font:inherit;cursor:pointer;border-radius:12px;padding:10px 14px;border:1px solid var(--border);background:var(--field);color:var(--text);font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}.btnPrimary{background:var(--accent);border-color:var(--accent);color:#fff}.btnGhost{background:var(--field)}.btnDanger{background:#ff6b5e1f;border-color:#ff6b5e66;color:var(--danger)}button.small{padding:7px 10px;font-size:13px;border-radius:10px}.stepGuide{list-style:none;display:flex;gap:8px;padding:0;margin:12px 0 0}.step{flex:1;display:flex;gap:8px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:10px}.step.done{border-color:#34c77b59;background:#34c77b1a}.stepNum{width:24px;height:24px;border-radius:999px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}.step.done .stepNum{background:var(--pos)}.stepLabel{display:flex;flex-direction:column;font-size:13px;font-weight:600;line-height:1.2}.stepLabel small{color:var(--muted);font-weight:400;font-size:11px}.cleanList{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.balanceRow,.settleRow,.expenseRow{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:12px}.name{font-weight:650}.amount{margin-left:auto;font-variant-numeric:tabular-nums;font-weight:750}.amount.pos,.pos{color:var(--pos)}.amount.neg,.neg{color:var(--neg)}.settleText{font-size:14px}.settleRow .btnPrimary{margin-left:auto}.expenseMain{display:flex;flex-direction:column}.rowActions{display:flex;gap:6px}.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:10px 0 0}.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;border:1px solid var(--border);background:var(--field);font-size:14px}.chip.on{background:#4d82ff2e;border-color:var(--accent);color:#9bb8ff}.chipX{border:none;background:transparent;padding:0 2px;color:var(--muted)}.segmented{display:flex;gap:6px;margin:12px 0;background:var(--field);padding:4px;border-radius:12px}.seg{flex:1;border:none;background:transparent;padding:9px;border-radius:9px;font-size:14px}.seg.active{background:#333a47;box-shadow:0 1px 2px #0006}.sheet{border:1px dashed var(--border);border-radius:14px;padding:12px;margin-bottom:12px}.sheetTitle{font-weight:700;margin-bottom:6px}.sheetActions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}.shareGrid{display:flex;flex-direction:column;gap:8px;margin-top:4px}.shareRow{display:flex;align-items:center;gap:10px}.shareRow .input{max-width:120px;margin-left:auto}.gate{min-height:100vh;display:grid;place-items:center;padding:20px}.gateCard{width:min(360px,100%);background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:10px}.gateTitle{margin:0;font-size:24px;font-weight:800}.gateSub{margin:0;color:var(--muted);font-size:14px}.gateError{color:var(--danger);font-size:13px}.sponsorCard{display:flex;flex-direction:column;align-items:center;gap:8px}.sponsorLabel{align-self:flex-start;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--field);border:1px solid var(--border);border-radius:6px;padding:2px 7px}.sponsorImg{width:100%;max-width:260px;height:auto;border-radius:12px;border:1px solid var(--border);display:block}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%);padding:10px 16px;border-radius:12px;color:#fff;font-size:14px;z-index:50;box-shadow:0 8px 24px #10182833}.toast.success{background:var(--pos)}.toast.error{background:var(--danger)}.toast.info{background:var(--accent)}