:root{--bg: #f4f6f8;--card: #fff;--fg: #1d2530;--muted: #6b7684;--line: #dde3ea;--pri: #1f5f8b;--ok: #2e8b57;--warn: #d9822b;--bad: #c0392b;--nav-h: 56px}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 -apple-system,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif}body{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px))}header.top{display:flex;align-items:baseline;gap:8px;padding:calc(12px + env(safe-area-inset-top,0px)) 16px 8px}header.top h1{margin:0;font-size:20px;color:var(--pri)}main{padding:0 16px 24px;max-width:1100px;margin:0 auto}nav#nav{position:fixed;left:0;right:0;bottom:0;height:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);display:flex;background:var(--card);border-top:1px solid var(--line);z-index:5}nav#nav a{flex:1;display:flex;align-items:center;justify-content:center;min-height:44px;text-decoration:none;color:var(--muted);font-size:13px}nav#nav a.active{color:var(--pri);font-weight:600}body.locked nav#nav{display:none}body.locked{padding-bottom:0}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}.card h2{margin:0 0 12px;font-size:17px}.grid{display:grid;grid-template-columns:1fr;gap:12px}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}.field.inline{flex-direction:row;align-items:center;gap:8px}input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;width:100%;min-height:44px;background:#fff;color:var(--fg)}textarea{min-height:72px}button,a.button{font:inherit;min-height:44px;padding:10px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--fg);cursor:pointer;margin:4px 4px 4px 0;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}button.primary,a.button.primary{background:var(--pri);color:#fff;border-color:var(--pri)}button.danger{background:var(--bad);color:#fff;border-color:var(--bad)}button.ghost{background:transparent}button.small{min-height:36px;padding:6px 12px;font-size:13px}button:disabled{opacity:.6;cursor:progress}.row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.stack>*{display:block;margin-bottom:8px}.muted{color:var(--muted)}.small{font-size:13px}.err{color:var(--bad)}.ok{color:var(--ok)}.picker{display:flex;gap:8px;margin:8px 0 12px}.picker select{flex:1}.big{font-size:24px;font-weight:700;margin:4px 0}.big small{font-size:14px;font-weight:400;color:var(--muted)}.meter{height:10px;background:var(--line);border-radius:5px;overflow:hidden;margin:8px 0}.meter-fill{height:100%;background:var(--ok)}.meter-fill.warning{background:var(--warn)}.meter-fill.exceeded{background:var(--bad)}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--line)}.chip.warning{border-color:var(--warn);color:var(--warn)}.chip.exceeded,.chip.outside{border-color:var(--bad);color:var(--bad)}.chip.allowed,.chip.within{border-color:var(--ok);color:var(--ok)}.bars{display:flex;align-items:flex-end;gap:3px;height:120px;margin-top:12px;overflow-x:auto}.bar-col{flex:1;min-width:14px;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}.bar{width:100%;background:var(--pri);border-radius:3px 3px 0 0;min-height:2px}.bar-label{font-size:10px;color:var(--muted);margin-top:4px}ul.plain{list-style:none;padding:0;margin:0 0 8px}ul.plain li{padding:8px 0;border-bottom:1px solid var(--line)}ul.ranking{list-style:none;padding:0;margin:0}ul.ranking li{position:relative;display:flex;justify-content:space-between;padding:8px 10px;margin-bottom:4px;overflow:hidden;border-radius:6px}ul.ranking .fill{position:absolute;left:0;top:0;bottom:0;background:#e3edf5;z-index:0}ul.ranking .k,ul.ranking .v{position:relative;z-index:1}ul.messages{list-style:none;padding:0;margin:0 0 8px;max-height:50vh;overflow-y:auto}ul.messages li{display:flex;flex-direction:column;margin:6px 0;max-width:85%;padding:8px 12px;border-radius:12px;background:var(--bg)}ul.messages li.guardian{align-self:flex-end;margin-left:auto;background:#e3edf5}ul.messages .meta{font-size:11px;color:var(--muted);margin-top:2px}.code,.fingerprint{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:2rem;letter-spacing:.3em;text-align:center;padding:12px;border:1px dashed var(--fg);border-radius:8px;margin:12px 0}.secret{display:block;word-break:break-all;font-size:14px;padding:8px;background:var(--bg);border-radius:6px}ol.words{columns:2;column-gap:24px;padding-left:28px;font-family:ui-monospace,Menlo,monospace}ol.words li{padding:2px 0}.toast{position:fixed;left:50%;bottom:calc(var(--nav-h) + 16px + env(safe-area-inset-bottom,0px));transform:translate(-50%) translateY(20px);opacity:0;background:var(--fg);color:#fff;padding:10px 16px;border-radius:8px;transition:.2s;max-width:calc(100% - 32px);z-index:20;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%)}.toast.err{background:var(--bad)}.modal{position:fixed;inset:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:16px;z-index:10}.modal[hidden]{display:none}.modal-box{background:var(--card);border-radius:12px;padding:20px;max-width:520px;width:100%;max-height:90vh;overflow-y:auto}@media(min-width:900px){body{padding-bottom:0;padding-left:200px}nav#nav{top:0;bottom:0;right:auto;width:200px;height:auto;flex-direction:column;border-top:0;border-right:1px solid var(--line);padding-top:64px}nav#nav a{flex:0 0 auto;justify-content:flex-start;padding:0 20px;font-size:15px}header.top{position:fixed;top:0;left:0;width:200px;z-index:6}body.locked{padding-left:0}body.locked header.top{position:static;width:auto}main{padding-top:24px}.grid{grid-template-columns:repeat(2,1fr)}.toast{bottom:24px}}@media(prefers-color-scheme:dark){:root{--bg: #14181d;--card: #1d232a;--fg: #e6ebf0;--muted: #98a3af;--line: #2d3640;--pri: #5aa9dc}input,select,textarea,button{background:#1d232a;color:var(--fg)}ul.messages li.guardian,ul.ranking .fill{background:#24384a}}.qr-wrap{display:flex;justify-content:center;margin:8px 0}canvas.qr{background:#fff;padding:8px;border-radius:8px;max-width:100%}details summary{cursor:pointer;color:var(--pri);margin:6px 0}