:root{color-scheme:light;--bg:#eef1f4;--surface:#ffffff;--ink:#14202b;--muted:#5d6b7a;--line:#d8e0e8;--accent:#0c6b56;--accent-ink:#ffffff;--danger:#9f1239;--danger-bg:#fff1f2;--nav:#10202c;--nav-ink:#e8eef3;--nav-muted:#9aafbf;--shadow:0 12px 40px rgba(16,32,44,0.08);--radius:14px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}html[data-theme=dark]{color-scheme:dark;--bg:#0c141c;--surface:#15202b;--ink:#e8eef3;--muted:#9aafbf;--line:#2a3b4c;--accent:#3dccab;--accent-ink:#04241c;--danger:#fecdd3;--danger-bg:#3a1720;--nav:#0a1219;--nav-ink:#e8eef3;--nav-muted:#8ea3b5;--shadow:0 12px 40px rgba(0,0,0,0.35)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;color:var(--ink);background:var(--bg)}a{color:var(--accent)}h1{font-size:1.7rem;margin:0 0 8px;letter-spacing:-.02em}h2{font-size:1.05rem;margin:28px 0 10px}p{line-height:1.5}button,input,select{font:inherit}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--nav);color:var(--nav-ink);display:flex;flex-direction:column;padding:22px 16px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:10px;align-items:center;padding:0 8px 18px}.mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font-weight:700}.brand strong{display:block;font-size:.95rem}.brand span{display:block;color:var(--nav-muted);font-size:.78rem}.sidebar nav{display:grid;gap:4px}.sidebar nav a{color:var(--nav-ink);text-decoration:none;padding:10px 12px;border-radius:10px}.sidebar nav a:hover,.sidebar nav a[data-active=true]{background:rgba(255,255,255,.08)}.sidebar-foot{margin-top:auto;display:grid;gap:10px;padding-top:16px}.who{color:var(--nav-muted);font-size:.82rem;padding:0 4px}main.app{padding:28px 32px 64px;max-width:1180px}.login-screen{min-height:100vh;display:grid;place-items:center;padding:32px 16px}.login-card{width:min(420px,100%);background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:28px}.eyebrow{margin:0 0 4px;color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}label{display:grid;gap:6px;color:var(--muted);font-size:.85rem;font-weight:600}input,select{width:100%;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px}button[type=submit]:not(.ghost){background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:11px 14px;font-weight:700;cursor:pointer}button.ghost{color:var(--nav-ink);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:9px 12px}.theme-toggle,button.ghost{background:transparent;cursor:pointer}.theme-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;color:inherit;border:1px solid var(--line);border-radius:999px;padding:8px 10px 8px 14px}.sidebar .theme-toggle{border-color:rgba(255,255,255,.16);color:var(--nav-ink)}.switch{width:36px;height:20px;border-radius:999px;background:#8ea0b0;position:relative;flex:none}.switch:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:white}html[data-theme=dark] .switch{background:var(--accent)}html[data-theme=dark] .switch:after{left:18px}table{width:100%;border-collapse:collapse;background:var(--surface);font-variant-numeric:tabular-nums}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.75rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.error,.note,th{background:var(--surface)}.error,.note{padding:12px 14px;border-radius:12px;border:1px solid var(--line)}.error{border-color:var(--danger);color:var(--danger);background:var(--danger-bg)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}.stat{background:var(--surface);padding:16px;border-radius:var(--radius);border:1px solid var(--line)}.stat span{display:block;color:var(--muted);font-size:.8rem}.stat strong{display:block;margin-top:6px;font-size:1.35rem;font-variant-numeric:tabular-nums}form.stack{display:grid;gap:12px;max-width:560px;background:var(--surface);border:1px solid var(--line);padding:16px;border-radius:var(--radius);margin:8px 0 18px}.login-card .brand strong{color:var(--ink)}.login-card .brand span{color:var(--muted)}.login-card form.stack{border:0;padding:0;margin:18px 0 0;background:transparent;max-width:none;box-shadow:none}.scroll{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.ledger .num,.ledger td:last-child,.ledger th:last-child{text-align:right}.ledger tr.result td{font-weight:700}@media (max-width:800px){.shell{grid-template-columns:1fr}.sidebar{position:sticky;height:auto;padding:12px}.sidebar nav{grid-auto-flow:column;overflow-x:auto}.sidebar-foot{margin-top:12px}.brand{padding-bottom:10px}main.app{padding:18px 14px 48px}}