:root{
  --bg:#f4f6fb;--card:#fff;--ink:#1b2236;--muted:#6a7288;--line:#e5e8f1;--line-2:#eef0f7;
  --accent:#4256e0;--accent-d:#3345c4;--accent-soft:#eceffd;--teal:#13a898;
  --bad:#d1343b;
  --low:#1f9d6b;--moderate:#d6a01f;--elevated:#e07a2c;--high:#d6453d;
  --radius:14px;--shadow:0 1px 2px rgba(27,34,54,.04),0 8px 24px -14px rgba(27,34,54,.22);
  font-family:'Noto Sans Variable','Noto Sans KR Variable','Noto Sans Arabic Variable','Noto Sans','Noto Sans KR','Noto Sans Arabic',system-ui,sans-serif;
  font-size:14px;line-height:1.6;letter-spacing:-.01em;color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
*{box-sizing:border-box}
body{word-break:keep-all;overflow-wrap:break-word;margin:0;background:linear-gradient(180deg,#e9edfa 0,var(--bg) 280px) no-repeat,var(--bg);min-height:100vh}
button,input,select,textarea{font:inherit;letter-spacing:inherit;color:inherit}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
[hidden]{display:none!important}

/* header */
header.top{display:flex;align-items:center;gap:20px;padding:0 28px;height:56px;background:linear-gradient(110deg,#18214b,#2b3a8e);color:#fff;flex-wrap:wrap;box-shadow:0 2px 14px -6px rgba(24,33,75,.5)}
header.top .brand{color:#fff;font-weight:700;font-size:15.5px;letter-spacing:-.02em;display:flex;align-items:center;gap:10px;white-space:nowrap}
header.top .brand:hover{text-decoration:none}
header.top .brand::before{content:'';width:24px;height:24px;border-radius:8px;background:linear-gradient(135deg,#8ea0ff,#2fd6c3);box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
header.top nav{display:flex;gap:2px;flex:1;flex-wrap:wrap}
header.top nav a{color:#c5cdf0;padding:6px 12px;border-radius:99px;font-size:13px;font-weight:500;transition:background .15s,color .15s}
header.top nav a:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
header.top nav a.on{background:rgba(255,255,255,.18);color:#fff}
header.top .who{font-size:12.5px;color:#c5cdf0;display:flex;gap:10px;align-items:center;margin-inline-start:auto}
header.top .who>button{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;padding:4px 11px;font-size:12px;border-radius:99px}
header.top .who>button:hover{background:rgba(255,255,255,.2)}
.lang{display:inline-flex;border:1px solid rgba(255,255,255,.3);border-radius:99px;overflow:hidden}
.lang button{border:0;border-radius:0;padding:3px 11px;font-size:12px;background:transparent;color:#c5cdf0;box-shadow:none}
.lang button.on{background:rgba(255,255,255,.24);color:#fff;font-weight:600}
.lang button:hover{background:rgba(255,255,255,.14)}
main{max-width:1060px;margin:0 auto;padding:26px 24px 70px}
h1{font-size:20px;font-weight:700;letter-spacing:-.025em;margin:2px 0 16px}
h2{font-size:15px;font-weight:650;letter-spacing:-.015em;margin:0 0 12px}
h3{font-size:13.5px;font-weight:650;margin:18px 0 8px;color:#2b3350}
.page-title{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.page-title h1{margin:0}

/* surfaces */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:16px;box-shadow:var(--shadow)}
.card h2 .tag{margin-inline-end:8px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.between{justify-content:space-between}
.muted{color:var(--muted)}.small{font-size:12.5px}.err{color:var(--bad)}
.note{font-size:12.5px;color:var(--muted);background:#f7f8fc;border-radius:10px;padding:9px 12px;line-height:1.55}

/* forms */
label.f{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--muted);font-weight:500;margin-top:12px}
input[type=text],input[type=password],select{padding:7px 11px;border:1px solid #d5dbe9;border-radius:9px;background:#fff;color:var(--ink);min-width:0;font-size:13.5px;width:100%;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(66,86,224,.16)}
button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(66,86,224,.28)}
input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px;margin:0}
label.check{display:flex;gap:8px;align-items:flex-start;margin-top:14px;font-size:13.5px;color:var(--ink)}
label.check input{margin-top:3px;flex:none}
button{padding:6px 14px;border-radius:9px;border:1px solid #d5dbe9;background:#fff;cursor:pointer;font-size:13px;font-weight:500;line-height:1.5;transition:background .15s,border-color .15s,box-shadow .15s,transform .05s}
button:hover{background:#f4f6fd;border-color:#c3cbe2}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}
button.primary{background:linear-gradient(180deg,#4d62ea,#3b4fd6);border-color:#3446cc;color:#fff;box-shadow:0 1px 2px rgba(51,69,196,.35),inset 0 1px 0 rgba(255,255,255,.18)}
button.primary:hover{background:linear-gradient(180deg,#5367ee,#3f53db)}
button.primary.wide{width:100%;padding:10px 14px;font-size:14.5px;margin-top:16px}
button.danger{color:var(--bad);border-color:#f0c7c9;background:#fff}button.danger:hover{background:#fdf1f1}
button.link{border:0;background:none;color:var(--accent);padding:2px 4px;box-shadow:none}button.link:hover{text-decoration:underline;background:none}
.msg{padding:10px 14px;border-radius:10px;margin:12px 0 0;font-size:13px;border:1px solid transparent}
.msg.err{background:#fdeeee;color:#a82930;border-color:#f6d3d5}

/* login */
.login-wrap{position:relative;min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(900px 500px at 15% 10%,#3f55e6 0,transparent 60%),radial-gradient(700px 500px at 90% 90%,#13a898 0,transparent 55%),#18214b}
.login-wrap .lang{position:absolute;top:16px;inset-inline-end:18px}
.login{width:100%;max-width:380px;padding:30px 30px 26px;margin:0;border:0;box-shadow:0 30px 70px -20px rgba(8,12,40,.6)}
.login h1{margin:14px 0 4px;font-size:21px}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#8ea0ff,#2fd6c3);box-shadow:0 6px 16px -6px rgba(66,86,224,.7)}

/* compare form */
.pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.pair>.card{margin-bottom:0}
.tag{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:8px;color:#fff;font-size:12.5px;font-weight:700;vertical-align:1px}
.tag.a{background:linear-gradient(135deg,#4d62ea,#3345c4)}.tag.b{background:linear-gradient(135deg,#27c2b1,#0e8f81)}
.zone{display:grid;place-items:center;min-height:220px;border:2px dashed #c4cde8;border-radius:12px;background:#fafbff;color:var(--muted);font-size:13px;cursor:pointer;text-align:center;padding:12px;transition:border-color .15s,background .15s}
.zone:hover,.zone:focus{border-color:var(--accent);background:#f3f5ff;outline:none}
.zone.over{border-color:var(--accent);background:#eef1ff}
.zone.filled{border-style:solid;border-color:var(--line);background:#fff}
.zone img{max-width:100%;max-height:260px;object-fit:contain;border-radius:8px}
.zone .ico{display:block;font-size:26px;line-height:1;margin-bottom:8px;color:#9aa6d8}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}

/* result */
.images{margin-bottom:16px}
.images figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow);text-align:center}
.images .imgbox{height:260px;display:grid;place-items:center}
.images img{max-width:100%;max-height:260px;object-fit:contain;border-radius:8px}
.images figcaption{margin-top:8px;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;justify-content:center}
.result{border-top:4px solid var(--c,var(--accent))}
.result.risk-low{--c:var(--low)}.result.risk-moderate{--c:var(--moderate)}.result.risk-elevated{--c:var(--elevated)}.result.risk-high{--c:var(--high)}
.headline{display:flex;flex-wrap:wrap;gap:28px;align-items:center;margin-bottom:8px}
.gauge{--p:0;position:relative;width:128px;height:128px;border-radius:50%;background:conic-gradient(var(--c,var(--accent)) calc(var(--p)*1%),var(--line-2) 0);display:grid;place-items:center;flex:none}
.gauge::before{content:'';position:absolute;inset:11px;border-radius:50%;background:#fff}
.gauge b{position:relative;font-size:38px;font-weight:700;letter-spacing:-.04em;line-height:1}
.gauge small{position:absolute;bottom:26px;font-size:10.5px;color:var(--muted)}
.hl-text{flex:1;min-width:240px}
.hl-text .lbl{font-size:12.5px;color:var(--muted)}
.hl-text .sub{font-size:12px;color:var(--muted);margin-top:6px}
.badge{display:inline-block;padding:3px 14px;border-radius:99px;font-size:15px;font-weight:650;background:color-mix(in srgb,var(--c) 14%,#fff);color:var(--c);border:1px solid color-mix(in srgb,var(--c) 40%,#fff)}
.badge.sm{font-size:11.5px;font-weight:600;padding:1px 9px}
.badge.risk-low{--c:var(--low)}.badge.risk-moderate{--c:#a87a0a}.badge.risk-elevated{--c:#c4601a}.badge.risk-high{--c:var(--high)}
.pill{display:inline-block;padding:1px 9px;border-radius:99px;font-size:11.5px;font-weight:500;background:#eef1fa;color:#3f4b6e}
.pill.run{background:#e6eaff;color:var(--accent)}.pill.bad{background:#fbe4e2;color:var(--bad)}
.bars{display:grid;gap:8px;margin:14px 0 4px}
.bar{display:grid;grid-template-columns:80px 1fr 28px;gap:10px;align-items:center;font-size:12.5px;color:var(--muted)}
.bar b{color:var(--ink);text-align:end;font-variant-numeric:tabular-nums}
.track{height:8px;border-radius:99px;background:#e8ebf5;overflow:hidden}
.fill{height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#4256e0,#13a898)}
.why{margin:0;font-size:14px;background:#f6f7fc;border-radius:10px;padding:10px 14px;color:#2b3350}
.flags{margin:0;padding:0;list-style:none;display:grid;gap:6px}
.flags li{font-size:13px;padding:8px 12px;border-radius:10px;background:#fff8e8;border:1px solid #f4e2b8;color:#7a5408}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:5px 18px;font-size:13px;margin:0 0 14px}
dl.kv dt{color:var(--muted)}dl.kv dd{margin:0}
.spin{display:inline-block;width:16px;height:16px;border:3px solid #dfe3f3;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;vertical-align:-3px;margin-inline-end:10px}
@keyframes spin{to{transform:rotate(360deg)}}

/* tables */
.tw{overflow-x:auto;border:1px solid var(--line-2);border-radius:12px;background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 14px;border-bottom:1px solid var(--line-2);text-align:start;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
th{font-size:11.5px;color:var(--muted);font-weight:600;background:#f8f9fd;white-space:nowrap}
td.num,th.num{text-align:center;font-variant-numeric:tabular-nums}
tr.click{cursor:pointer}tr.click:hover td{background:#f5f7ff}
.thumbs{display:flex;gap:4px}.thumbs img{width:40px;height:40px;object-fit:contain;border:1px solid var(--line);border-radius:7px;background:#fff}
.score-cell{font-weight:700;font-size:15px}

.toast{position:fixed;bottom:18px;inset-inline-end:18px;background:#1b2236;color:#fff;padding:10px 16px;border-radius:10px;z-index:20;box-shadow:0 10px 30px -10px rgba(8,12,40,.6)}
.toast.bad{background:var(--bad)}
@media(max-width:700px){
  .pair,.opts{grid-template-columns:1fr}
  main{padding:16px 14px 50px}
  header.top{padding:8px 14px;height:auto;gap:8px 14px}
  .gauge{width:110px;height:110px}
}
.mt{margin-top:12px}
.narrow{max-width:420px}
label.check.flush{margin:0}