:root{--bg: #fafafa;--surface: #ffffff;--fg: #0a0a0a;--muted: #6b7280;--border: #e5e7eb;--primary: #387bf0;--primary-hover: #2964d6;--primary-fg: #ffffff;--warn-bg: #fef3c7;--warn-border: #fde68a;--error: #dc2626;--radius: 12px}@media (prefers-color-scheme: dark){:root{--bg: #0a0a0a;--surface: #141414;--fg: #fafafa;--muted: #9ca3af;--border: #262626;--warn-bg: #3b2f0c;--warn-border: #5c4a0e;--error: #f87171}}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}#root{min-height:100vh;display:flex;flex-direction:column}.app{flex:1;max-width:640px;width:100%;margin:0 auto;padding:24px 20px 48px;display:flex;flex-direction:column}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:56px}.brand{font-weight:600;letter-spacing:-.01em}main{flex:1}h1{font-size:28px;font-weight:600;letter-spacing:-.02em;margin:0 0 8px}h2{font-size:14px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0}.lede{color:var(--muted);margin:0 0 32px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}.card.primary{border:1px solid var(--border)}.card.warn{background:var(--warn-bg);border-color:var(--warn-border)}.totals{display:flex;flex-direction:column;gap:4px}.totals-label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.totals-value{font-size:32px;font-weight:600;letter-spacing:-.02em}.totals-meta{font-size:13px;color:var(--muted)}.section-head{display:flex;align-items:baseline;gap:8px;margin:32px 0 12px}.periods{list-style:none;padding:0;margin:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.periods li{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border);gap:16px}.periods li:last-child{border-bottom:none}.period-meta{display:flex;flex-direction:column;gap:2px}.period-id{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.amount{font-size:17px;font-weight:500}.check{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.connectors{display:flex;flex-direction:column;gap:8px;margin-top:16px}button{font-family:inherit;font-size:14px;font-weight:500;padding:10px 16px;background:var(--primary);color:var(--primary-fg);border:none;border-radius:8px;cursor:pointer;transition:background .12s ease,opacity .12s ease}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;color:var(--fg);border:1px solid var(--border)}button.ghost:hover:not(:disabled){background:var(--surface)}.connectors button{text-align:left;background:transparent;color:var(--fg);border:1px solid var(--border);padding:12px 16px}.connectors button:hover:not(:disabled){border-color:var(--primary);background:var(--surface)}.muted{color:var(--muted)}.error{color:var(--error);font-size:14px;margin:12px 0 0;word-break:break-word}footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}footer a{color:inherit;text-decoration:none}footer a:hover{color:var(--fg)}