:root{
 --bg:#eef1f6; --panel:#fff; --ink:#1f2733; --muted:#667085; --line:#d7dce5;
 --brand:#1f5fa6; --brand2:#2b76c9; --bad:#c0392b; --shadow:0 2px 10px rgba(20,40,80,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Segoe UI",Roboto,system-ui,Tahoma,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.45;-webkit-text-size-adjust:100%}
.wrap{max-width:680px;margin:0 auto;padding:0 12px 28px;padding-bottom:calc(28px + env(safe-area-inset-bottom))}
header.app{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:10px;background:linear-gradient(100deg,#173a63,#2b76c9);color:#fff;padding:12px 14px;padding-top:calc(12px + env(safe-area-inset-top));box-shadow:var(--shadow)}
.htext{min-width:0}
header.app h1{font-size:18px;margin:0;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
header.app .sub{font-size:11.5px;opacity:.9;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
header.app .spacer{flex:1}
.langsw{display:inline-flex;background:rgba(255,255,255,.16);border-radius:18px;padding:2px;flex:0 0 auto}
.langbtn{border:0;background:transparent;color:#fff;opacity:.8;font-weight:700;font-size:12px;padding:6px 11px;border-radius:16px;cursor:pointer;font-family:inherit}
.langbtn.on{background:#fff;color:#173a63;opacity:1}
#lang-sel{background:#fff;color:#173a63;border:0;border-radius:16px;font-size:12px;font-weight:700;padding:5px 8px;font-family:inherit;cursor:pointer}
.ibtn{display:none;align-items:center;gap:6px;background:rgba(255,255,255,.18);color:#fff;border:0;border-radius:20px;padding:8px 12px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;flex:0 0 auto}
.ibtn:active{background:rgba(255,255,255,.32)}
.lead{color:var(--muted);font-size:13px;margin:14px 2px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow);margin-top:12px}
.card h3{margin:0 0 8px;font-size:15px;color:var(--brand)}
.card h3.toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;user-select:none;margin-bottom:10px}
.subhead{font-size:12px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.4px;margin:14px 0 6px}
.subhead:first-of-type{margin-top:2px}
.subhead.toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;user-select:none;min-height:30px}
.pm{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:1px solid #c7d3e6;border-radius:6px;color:var(--brand);font-size:18px;font-weight:700;line-height:1;flex:0 0 auto}
.sec.collapsed .secbody{display:none}
.row{display:flex;align-items:center;gap:8px;margin:8px 0;min-height:46px}
.row label{flex:1 1 auto;color:var(--ink);font-size:14.5px}
.row .unit{flex:0 0 46px;width:46px;color:var(--muted);font-size:12px;text-align:left}
.row .sym{flex:0 0 34px;width:34px;color:var(--brand);font-weight:700;font-size:12px;text-align:right}
input.num,select.sel{flex:0 0 128px;width:128px;height:44px;padding:10px;border:1px solid var(--line);border-radius:9px;font-size:16px;text-align:right;background:#fff;font-family:inherit;color:var(--ink)}
select.sel{text-align:left}
input.num:focus,select.sel:focus{outline:2px solid var(--brand2);border-color:var(--brand2)}
input.num[readonly]{background:#eef2f7;color:var(--muted)}
.hint{font-size:11px;color:var(--muted);margin-left:2px}
.infowrap{position:relative;display:inline-block;vertical-align:middle}
.info{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--brand2);color:#fff;font-size:12px;font-weight:700;font-style:italic;font-family:Georgia,serif;cursor:pointer;margin-left:5px;user-select:none}
.info-tip{display:none;position:absolute;left:0;top:135%;z-index:20;width:230px;background:#1f2733;color:#fff;font-size:12px;font-weight:400;font-style:normal;line-height:1.4;padding:9px 11px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.28)}
.infowrap.open .info-tip{display:block}
.out{display:flex;justify-content:space-between;align-items:baseline;padding:9px 2px;border-bottom:1px dotted var(--line);gap:10px}
.out .k{color:var(--muted);font-size:13px}
.out .v{font-weight:700;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.out .v small{color:var(--muted);font-weight:500}
.out.hi .v{color:var(--brand);font-size:17px}
.verdict{margin-top:14px;padding:13px;border-radius:10px;font-weight:600;font-size:14.5px}
.verdict.ok{background:#e7f6ef;color:#0e7a5b;border:1px solid #b7e3d2}
.verdict.no{background:#fdeceb;color:#b0322a;border:1px solid #f3c6c2}
.footer{color:var(--muted);font-size:11.5px;text-align:center;margin:16px 6px 0}