:root{--bg: #fafaf9;--surface: #ffffff;--surface-2: #f2f1ee;--text: #1c1b19;--muted: #5d5a54;--border: #dedbd4;--accent: #b4430f;--accent-contrast: #ffffff;--focus: #1d4ed8;--good: #166534;--warn: #92400e;--radius: 10px;--maxw: 1080px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #131211;--surface: #1c1b19;--surface-2: #262420;--text: #edebe7;--muted: #a8a49c;--border: #3a3732;--accent: #f08a4b;--accent-contrast: #131211;--focus: #93b4ff;--good: #86efac;--warn: #fcd34d;color-scheme:dark}}:root[data-theme=dark]{--bg: #131211;--surface: #1c1b19;--surface-2: #262420;--text: #edebe7;--muted: #a8a49c;--border: #3a3732;--accent: #f08a4b;--accent-contrast: #131211;--focus: #93b4ff;--good: #86efac;--warn: #fcd34d;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font)}a{color:var(--accent);text-underline-offset:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;z-index:10}.skip:focus{left:8px}h1,h2,h3{line-height:1.25;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4vw,2.4rem);margin:.4em 0 .3em}h2{font-size:1.35rem;margin-top:2em}.lead{font-size:1.1rem;color:var(--muted);max-width:70ch}.muted{color:var(--muted)}.prose{max-width:75ch}.prose li{margin:.3em 0}.site-header{border-bottom:1px solid var(--border);background:var(--surface)}.site-header .wrap{display:flex;align-items:center;gap:12px;min-height:60px;flex-wrap:wrap}.brand{font-weight:800;font-size:1.15rem;color:var(--text);text-decoration:none;margin-right:auto}.brand span{color:var(--accent)}.site-nav{display:flex;gap:14px}.site-nav a{color:var(--text);text-decoration:none;font-weight:500}.site-nav a:hover{color:var(--accent)}.btn-ghost{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--text);font:inherit;font-size:.9rem;cursor:pointer;text-decoration:none}.btn-ghost:hover{border-color:var(--accent)}.theme-icon-dark{display:none}:root[data-theme=dark] .theme-icon-dark{display:inline}:root[data-theme=dark] .theme-icon-light{display:none}.site-footer{border-top:1px solid var(--border);margin-top:64px;padding:28px 0;font-size:.9rem;color:var(--muted)}.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:10px}.site-footer a{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:24px 0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card h3{margin:0 0 6px;font-size:1.1rem}.card a.stretched{text-decoration:none;color:var(--text)}.card a.stretched:hover h3{color:var(--accent)}.badge{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.tool{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:20px;align-items:start;margin:24px 0}@media(max-width:860px){.tool{grid-template-columns:1fr}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;min-width:0}.panel h2{margin:0 0 12px;font-size:1.05rem}fieldset{border:0;padding:0;margin:0 0 16px}legend{font-weight:700;margin-bottom:8px;font-size:.95rem}.row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.row-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:3px}input,select{width:100%;min-height:40px;padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:inherit;font-variant-numeric:tabular-nums}input:invalid{border-color:var(--warn)}.gears{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}.hint{font-size:.8rem;color:var(--muted);margin:6px 0 0}.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:16px}.kpi{background:var(--surface-2);border-radius:8px;padding:10px 12px}.kpi .k{font-size:.78rem;color:var(--muted)}.kpi .v{font-size:1.3rem;font-weight:700;font-variant-numeric:tabular-nums}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:.92rem}th,td{text-align:right;padding:7px 8px;border-bottom:1px solid var(--border);white-space:nowrap}th:first-child,td:first-child{text-align:left}thead th{font-size:.78rem;color:var(--muted);font-weight:600}.chart{width:100%;height:auto;display:block;margin-top:14px}.chart text{fill:var(--muted);font-size:11px;font-family:var(--font)}.chart .grid{stroke:var(--border)}.chart .line{stroke:var(--accent);stroke-width:2;fill:none}.chart .drop{stroke:var(--muted);stroke-dasharray:3 3}.error{color:var(--warn);font-weight:600}.unit-toggle{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.unit-toggle button{border:0;background:transparent;color:var(--text);padding:6px 14px;font:inherit;cursor:pointer;min-height:36px}.unit-toggle button[aria-pressed=true]{background:var(--accent);color:var(--accent-contrast)}.note{border-left:4px solid var(--accent);background:var(--surface);padding:12px 16px;border-radius:0 8px 8px 0}.draft{border:2px dashed var(--warn);padding:12px 16px;border-radius:8px}.meta{font-size:.85rem;color:var(--muted)}.ad-slot{min-height:280px;margin:24px 0}.row,.row-2{align-items:end}@media(max-width:560px){.site-header .wrap{padding-top:8px;padding-bottom:8px;row-gap:4px}.site-nav{order:3;width:100%;gap:18px;font-size:.95rem}.btn-ghost{min-height:36px;padding:0 10px}}