:root{color-scheme:light dark;--bg: #f4f6f8;--panel: #ffffff;--text: #1c2530;--muted: #6b7683;--border: #d9e0e7;--accent: #1f7a5a;--danger: #c0392b;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #12171d;--panel: #1b222b;--text: #e6ebf0;--muted: #93a0ae;--border: #2c3641}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:860px;margin:0 auto;padding:2rem 1rem 4rem}header h1{margin:0;font-size:1.7rem}.subtitle{margin:.25rem 0 1.5rem;color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1.25rem}.panel h2{margin:0 0 1rem;font-size:1.1rem}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.panel-head h2{margin:0}.item-form{display:grid;grid-template-columns:1fr 1fr auto;gap:.85rem;align-items:end}.field{display:flex;flex-direction:column;gap:.3rem}.field label{font-size:.8rem;color:var(--muted)}.field-small{width:6rem}input{padding:.5rem .6rem;border:1px solid var(--border);border-radius:6px;background:transparent;color:inherit;font:inherit;width:100%}.form-actions{display:flex;gap:.5rem}button{padding:.5rem .9rem;border:1px solid transparent;border-radius:6px;background:var(--accent);color:#fff;font:inherit;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.secondary{background:transparent;border-color:var(--border);color:var(--text)}button.link{background:none;border:none;color:var(--accent);padding:.2rem .4rem}button.link.danger{color:var(--danger)}.error{color:var(--danger);margin:0 0 1rem}.empty{color:var(--muted);margin:0}.items{width:100%;border-collapse:collapse}.items th,.items td{text-align:left;padding:.55rem .5rem;border-bottom:1px solid var(--border)}.items th.num,.items td.num{text-align:right}.items td.muted{color:var(--muted)}.items .actions{text-align:right;white-space:nowrap}@media(max-width:640px){.item-form{grid-template-columns:1fr}.field-small{width:100%}}