:root{--bg: #f6f7f9;--card: #ffffff;--text: #1a1d21;--muted: #6b7280;--accent: #1f3a5f;--accent-text: #ffffff;--line: #e3e6ea;--danger: #b42318;--ok: #0f7a4d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:32rem;margin:0 auto;padding:1rem}h1{font-size:1.25rem;margin:0 0 1rem}h2{font-size:1rem;margin:1.5rem 0 .5rem;color:var(--muted);font-weight:600}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem}.hero{font-size:1.75rem;font-weight:700}.hero small{display:block;font-size:.9rem;font-weight:400;color:var(--muted)}table{width:100%;border-collapse:collapse}td,th{padding:.4rem 0;text-align:left;border-bottom:1px solid var(--line)}td:last-child,th:last-child{text-align:right;font-variant-numeric:tabular-nums}tr:last-child td{border-bottom:0}label{display:block;margin:.75rem 0 .25rem;font-size:.9rem;color:var(--muted)}input,select{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}.check{display:flex;align-items:center;gap:.5rem;margin:.4rem 0;color:var(--text);font-size:1rem}.check input{width:auto}button{padding:.7rem 1rem;border:0;border-radius:8px;font:inherit;font-weight:600;background:var(--accent);color:var(--accent-text);cursor:pointer}button.ghost{background:transparent;color:var(--muted);padding:.3rem .5rem;font-weight:400}button.danger{background:transparent;color:var(--danger)}button:disabled{opacity:.5;cursor:default}.row{display:flex;gap:.5rem;align-items:center;justify-content:space-between}.msg{margin:.75rem 0;color:var(--muted)}.msg.err{color:var(--danger)}.msg.ok{color:var(--ok)}nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}nav a{color:var(--accent);text-decoration:none;font-weight:600}.neg{color:var(--danger)}.pos{color:var(--ok)}