:root{--fc-brand: #0f766e;--fc-brand-strong: #115e59;--fc-on-brand: #ffffff;--fc-accent: #f59e0b;--fc-bg: #f8fafc;--fc-surface: #ffffff;--fc-text: #0f172a;--fc-text-muted: #475569;--fc-border: #e2e8f0;--fc-radius: .75rem;--fc-shadow: 0 4px 16px rgb(15 23 42 / .1);--fc-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--fc-font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--fc-content-width: 62rem;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--fc-brand: #2dd4bf;--fc-brand-strong: #5eead4;--fc-on-brand: #042f2e;--fc-bg: #0b1120;--fc-surface: #131c31;--fc-text: #e2e8f0;--fc-text-muted: #94a3b8;--fc-border: #25314d;--fc-shadow: 0 4px 16px rgb(0 0 0 / .5)}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--fc-font);line-height:1.6;color:var(--fc-text);background:var(--fc-bg)}a{color:var(--fc-brand);text-underline-offset:.15em}h1,h2,h3{line-height:1.25}:focus-visible{outline:3px solid var(--fc-accent);outline-offset:2px}.fc-container{width:min(100% - 2rem,var(--fc-content-width));margin-inline:auto}.fc-prose{max-width:46rem}.fc-prose h2{margin-top:2rem;font-size:1.35rem}.fc-prose h3{font-size:1.1rem}.fc-prose p,.fc-prose ul,.fc-prose ol{margin-block:.75rem}.fc-prose code{font-family:var(--fc-font-mono);font-size:.9em;padding:.1em .35em;background:var(--fc-surface);border:1px solid var(--fc-border);border-radius:.3rem}.fc-card{background:var(--fc-surface);border:1px solid var(--fc-border);border-radius:var(--fc-radius);padding:1.25rem}.fc-btn{display:inline-block;padding:.55rem 1.1rem;font:inherit;font-weight:600;color:var(--fc-on-brand);background:var(--fc-brand);border:1px solid var(--fc-brand);border-radius:.5rem;cursor:pointer}.fc-btn:hover{background:var(--fc-brand-strong);border-color:var(--fc-brand-strong)}.fc-btn--ghost{color:var(--fc-text);background:transparent;border-color:var(--fc-border)}.fc-btn--ghost:hover{background:var(--fc-border);border-color:var(--fc-border)}.fc-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.fc-field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.fc-field>label,.fc-field>.fc-label{font-size:.85rem;font-weight:600;color:var(--fc-text-muted)}.fc-input,.fc-textarea,.fc-select{width:100%;padding:.6rem .75rem;font:inherit;color:var(--fc-text);background:var(--fc-bg);border:1px solid var(--fc-border);border-radius:.5rem}.fc-textarea{min-height:12rem;font-family:var(--fc-font-mono);font-size:.9rem;line-height:1.5;resize:vertical}.fc-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:.75rem}.fc-grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:1rem}.fc-error{margin:.5rem 0 0;padding:.6rem .75rem;color:#b91c1c;background:#b91c1c14;border-left:3px solid #b91c1c;border-radius:.25rem;font-size:.9rem}.fc-ok{color:#15803d;font-weight:600}@media(prefers-color-scheme:dark){.fc-error{color:#fca5a5;background:#f871711f;border-left-color:#f87171}.fc-ok{color:#86efac}}.fc-table-wrap{overflow-x:auto}.fc-table{width:100%;border-collapse:collapse;font-size:.9rem}.fc-table th,.fc-table td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--fc-border)}.fc-table th{font-weight:600;color:var(--fc-text-muted);white-space:nowrap}.fc-table td.num,.fc-table th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.fc-table tfoot td,.fc-table tr.total td{font-weight:700;border-top:2px solid var(--fc-border)}.fc-result{margin:1rem 0;padding:1rem 1.25rem;background:var(--fc-bg);border:1px solid var(--fc-brand);border-radius:var(--fc-radius)}.fc-result .label{font-size:.85rem;color:var(--fc-text-muted)}.fc-result .value{font-size:clamp(1.5rem,5vw,2rem);font-weight:800;color:var(--fc-brand);font-variant-numeric:tabular-nums}.fc-note{margin:1rem 0 0;font-size:.85rem;color:var(--fc-text-muted)}.fc-check{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.fc-check input{width:1.1rem;height:1.1rem;accent-color:var(--fc-brand)}fieldset.fc-fieldset{margin:0 0 1rem;padding:.75rem 1rem;border:1px solid var(--fc-border);border-radius:.5rem}fieldset.fc-fieldset legend{padding-inline:.4rem;font-size:.85rem;font-weight:600;color:var(--fc-text-muted)}
