:root{--bg: #f5f6f8;--panel: #ffffff;--border: #e2e5ea;--text: #1c2530;--muted: #6b7686;--accent: #1f6feb;--accent-soft: #eaf2ff;--low: #fff4e0;--low-border: #f0c36d;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{max-width:920px;margin:0 auto;padding:2rem 1.25rem 3rem}.app__header h1{margin:0 0 .25rem;font-size:1.6rem}.muted{color:var(--muted)}a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.app__header p{margin:0;max-width:60ch}.panel,.results{margin-top:1.5rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.field{display:flex;flex-direction:column;gap:.35rem}.field label{font-weight:600;font-size:.9rem}.field input[type=number],.field input[type=date]{padding:.5rem .6rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:#fff}.field input:focus{outline:2px solid var(--accent);outline-offset:1px}.field--checkbox{flex-direction:row;align-items:center;gap:.5rem}.field--checkbox label{font-weight:500}.error{margin-top:1rem;padding:.75rem 1rem;background:#fdecec;border:1px solid #f5b5b5;border-radius:8px;color:#a11b1b}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;display:flex;flex-direction:column;gap:.35rem}.card--accent{background:var(--accent-soft);border-color:#c5dbff}.card__label{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.card__value{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums}.note{margin:1.25rem 0 .5rem;font-size:.9rem}.table{width:100%;border-collapse:collapse;margin-top:.75rem;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.table th,.table td{padding:.6rem .85rem;border-bottom:1px solid var(--border);text-align:left}.table thead th{background:#fafbfc;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}.table .num{text-align:right;font-variant-numeric:tabular-nums}.table tbody tr:last-child td{border-bottom:none}.row--low td{background:var(--low)}.row--low td:first-child{box-shadow:inset 3px 0 0 var(--low-border)}.app__footer{margin-top:2rem;font-size:.82rem}