*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;--bg:#ffffff;--fg:#1a1a1a;--bg-sidebar:#f5f6f8;--border:#dde1e6;--accent:#0055cc;--accent-light:#e8f0fe;--bg-table-alt:#f9fafb;--bg-table-head:#edf0f4;--bg-card:#f7f8fa;--success:#16794a;--warning:#b45309;--danger:#c4314b;--sidebar-w:240px;--header-h:52px;--radius:6px}[data-theme=dark]{--bg:#1a1c1e;--fg:#e0e0e0;--bg-sidebar:#22252a;--border:#3a3f47;--accent:#6ea8fe;--accent-light:#1c2f4a;--bg-table-alt:#22252a;--bg-table-head:#2a2d33;--bg-card:#22252a;--success:#4ade80;--warning:#fbbf24;--danger:#f87171}html{font-size:15px;scroll-behavior:smooth}body{font-family:var(--font);color:var(--fg);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.skip-nav{position:absolute;left:-9999px;top:0;z-index:999;background:var(--accent);color:#fff;padding:.5rem 1rem;font-weight:600;border-radius:0 0 var(--radius) 0}.skip-nav:focus{left:0}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--bg);border-bottom:1px solid var(--border);z-index:100}.site-header h1{font-size:1.15rem;font-weight:700;white-space:nowrap}.site-header h1 span{font-weight:400;color:var(--accent)}.header-search{flex:1;max-width:340px;margin-left:auto}.header-search input{width:100%;padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem;background:var(--bg);color:var(--fg)}.theme-btn{background:none;border:none;cursor:pointer;color:var(--fg);padding:6px;border-radius:var(--radius);display:flex;align-items:center}.theme-btn:hover{background:var(--bg-sidebar)}.theme-btn svg{width:18px;height:18px}.layout{display:flex;margin-top:var(--header-h)}.sidebar{position:fixed;top:var(--header-h);left:0;bottom:0;width:var(--sidebar-w);overflow-y:auto;background:var(--bg-sidebar);border-right:1px solid var(--border);padding:8px 0;z-index:90}.sidebar-section{padding:4px 0}.sidebar-heading{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--fg);opacity:.55;padding:10px 16px 4px}.sidebar a{display:block;padding:6px 16px 6px 20px;font-size:.88rem;color:var(--fg);border-left:3px solid transparent;min-height:36px;display:flex;align-items:center}.sidebar a:hover{background:var(--accent-light);text-decoration:none}.sidebar a[aria-current=page]{border-left-color:var(--accent);color:var(--accent);font-weight:600;background:var(--accent-light)}.main{margin-left:var(--sidebar-w);flex:1;min-height:calc(100vh - var(--header-h));padding:24px 32px 48px}.main>h1{font-size:1.6rem;margin-bottom:.5rem}.main>h1+.subtitle{color:var(--fg);opacity:.6;margin-bottom:1.5rem;font-size:.95rem}.main h2{font-size:1.2rem;margin:2rem 0 .75rem;padding-bottom:.35rem;border-bottom:1px solid var(--border)}.main h3{font-size:1.05rem;margin:1.25rem 0 .5rem}.main p,.main ul,.main ol{margin-bottom:.75rem;max-width:800px}.main ul,.main ol{padding-left:1.4em}.ref-table{width:100%;border-collapse:collapse;margin:1rem 0 1.5rem;font-size:.88rem}.ref-table th,.ref-table td{padding:7px 10px;border:1px solid var(--border);text-align:left;vertical-align:top}.ref-table thead th{background:var(--bg-table-head);font-weight:600;white-space:nowrap;position:sticky;top:0}.ref-table tbody tr:nth-child(2n){background:var(--bg-table-alt)}.ref-table .num{text-align:right;font-family:var(--mono);font-size:.85rem}.val-high{color:var(--danger);font-weight:600}.val-low{color:var(--warning);font-weight:600}.val-normal{color:var(--success)}.val-critical{color:var(--danger);font-weight:700;text-transform:uppercase;font-size:.75rem}.formula-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;margin:1rem 0;max-width:600px}.formula-card .formula{font-family:var(--mono);font-size:.95rem;margin:6px 0;color:var(--accent)}.formula-card .label{font-weight:600;font-size:.85rem;margin-bottom:4px}.calc-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin:1rem 0}.calc-field label{display:block;font-size:.8rem;font-weight:600;margin-bottom:3px}.calc-field input,.calc-field select{padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;background:var(--bg);color:var(--fg);width:140px}.calc-btn{padding:6px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:.88rem;font-weight:500;align-self:flex-end}.calc-btn:hover{opacity:.9}.calc-result{font-family:var(--mono);font-size:1rem;margin:8px 0;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);max-width:400px}.site-footer{margin-left:var(--sidebar-w);padding:16px 32px;border-top:1px solid var(--border);font-size:.8rem;color:var(--fg);opacity:.5}.site-footer a{color:inherit}.sidebar-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--fg);padding:6px}.sidebar-toggle svg{width:22px;height:22px}@media(max-width:768px){.sidebar-toggle{display:flex}.sidebar{transform:translate(-100%);transition:transform .2s ease}.sidebar.open{transform:translate(0);box-shadow:4px 0 20px #00000026}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:89;background:#0000004d}.sidebar-overlay.open{display:block}.main,.site-footer{margin-left:0}.main{padding:16px}.header-search{max-width:200px}}.ad-slot{margin:1.5rem 0;min-height:90px;text-align:center}.ad-slot-sidebar{margin:12px 8px}.cookie-banner{position:fixed;bottom:0;left:0;right:0;z-index:200;background:var(--fg);color:var(--bg);padding:14px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.88rem;box-shadow:0 -2px 12px #00000040}.cookie-banner p{flex:1;min-width:200px;margin:0;line-height:1.5}.cookie-banner a{color:var(--accent-light);text-decoration:underline}[data-theme=dark] .cookie-banner a{color:var(--accent)}.cookie-banner-actions{display:flex;gap:8px;flex-shrink:0}.cookie-btn{padding:8px 20px;border:none;border-radius:var(--radius);cursor:pointer;font-size:.85rem;font-weight:600}.cookie-btn-accept{background:var(--accent);color:#fff}.cookie-btn-accept:hover{opacity:.9}.cookie-btn-reject{background:transparent;color:var(--bg);border:1px solid var(--bg)}.cookie-btn-reject:hover{background:#ffffff1a}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}