:root{color-scheme:light;--bg: #f6f7f9;--panel: #ffffff;--panel-border: #e5e7eb;--text: #0f172a;--muted: #475569;--accent: #2563eb;--danger: #dc2626;--ok: #16a34a;--shadow: rgba(15, 23, 42, .08);--mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--text)}a{color:var(--accent)}.container{max-width:1100px;margin:0 auto;padding:24px}.header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px}.header-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.lang{display:inline-flex;align-items:center;gap:8px}.lang select{padding:6px 8px;border-radius:10px}.title{margin:0;font-size:22px;letter-spacing:.2px}.subtle{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:980px){.grid{grid-template-columns:1.2fr .8fr}}.card{background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;box-shadow:0 8px 24px var(--shadow);padding:16px}.section-title{margin:0 0 10px;font-size:14px;color:var(--muted);letter-spacing:.3px;text-transform:uppercase}.fieldset{border:1px solid var(--panel-border);border-radius:12px;padding:12px;margin:0 0 12px}.legend{padding:0 8px;color:var(--muted);font-size:12px}.row{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:10px}@media(min-width:680px){.row{grid-template-columns:1fr 1fr}}.field{display:flex;flex-direction:column;gap:6px}label{font-size:13px;color:var(--muted)}input[type=number],select{padding:10px;border-radius:10px;border:1px solid var(--panel-border);background:#fff;color:var(--text);outline:none}input[type=number]:focus,select:focus{border-color:#2563eb8c;box-shadow:0 0 0 3px #2563eb24}.radios{display:flex;gap:12px;flex-wrap:wrap}.radio{display:inline-flex;align-items:center;gap:6px;padding:8px 10px;border:1px solid var(--panel-border);border-radius:999px;background:#fff}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}button{padding:10px 12px;border-radius:10px;border:1px solid var(--panel-border);background:#fff;color:var(--text);cursor:pointer}button:hover{border-color:#2563eb73}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{border-color:#dc262673}.result{display:flex;flex-direction:column;gap:10px}.metric{display:flex;justify-content:space-between;gap:10px;align-items:baseline}.metric .k{color:var(--muted);font-size:13px}.metric .v{font-size:18px;font-variant-numeric:tabular-nums}.bar{width:100%;height:12px;border-radius:999px;background:#eef2f7;overflow:hidden;border:1px solid var(--panel-border)}.bar>div{height:100%;background:var(--accent)}.mono{font-family:var(--mono);font-size:12px}.error{color:var(--danger);font-size:13px}.details{margin-top:10px}details summary{cursor:pointer;color:var(--accent)}table{width:100%;border-collapse:collapse;margin-top:10px;font-size:13px}th,td{border-bottom:1px solid var(--panel-border);padding:8px 6px;text-align:left;vertical-align:top}th{color:var(--muted);font-weight:600}.footer-note{margin-top:10px;color:var(--muted);font-size:12px;line-height:1.4}