/* FreelanceCalc — Trust & Authority / dark fintech (ui-ux-pro-max DS v1) */
:root{
  --bg:#F4F2EB; --bg2:#FFFFFF; --surface:#FFFFFF; --surface2:#EFEAD9;
  --line:#DED6C0; --line-soft:#E7E1CF;
  --ink:#16222E; --ink2:#43536A; --muted:#75828F;
  --gold:#F59E0B; --amber:#B45309; --gold-deep:#B45309;
  --violet:#6D28D9; --green:#0E6B4F; --red:#B3402E;
  --display:#0F172A;
  --radius:16px; --shadow:0 14px 36px rgba(22,34,46,.10);
  --font:"IBM Plex Sans","IBM Plex Sans KR",-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;letter-spacing:-.01em}
.num,.tnum{font-variant-numeric:tabular-nums}
.wrap{max-width:1060px;margin:0 auto;padding:0 22px;min-width:0}
a{color:inherit}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}

/* ---- top bar ---- */
.top{position:sticky;top:0;z-index:60;background:rgba(244,242,235,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:12px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:16px}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#0F172A;display:grid;place-items:center;font-weight:700;font-size:19px}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted)}
.all-toggle{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink2);border-radius:999px;padding:10px 16px;font-weight:600;font-size:13px;cursor:pointer;min-height:44px;transition:border-color .18s,color .18s}
.all-toggle:hover{border-color:var(--gold);color:var(--amber)}
.all-toggle svg{flex:none}
body.all .all-toggle{border-color:var(--gold);color:var(--amber);background:rgba(245,158,11,.1)}

/* ---- shell + sidebar ---- */
.shell{display:block}
@media(min-width:1024px){
  .shell{max-width:1340px;margin:0 auto;display:grid;grid-template-columns:232px minmax(0,1fr);gap:0;align-items:start}
  .side{position:sticky;top:62px;height:calc(100vh - 62px);overflow-y:auto;border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;gap:14px}
}
@media(max-width:1023.5px){
  .side{position:sticky;top:62px;z-index:55;background:rgba(244,242,235,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:10px 12px}
  .side-note{display:none}
  .side-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
  .side-nav::-webkit-scrollbar{display:none}
  .side-nav button{white-space:nowrap}
}
.side-nav{display:flex;flex-direction:column;gap:6px}
@media(max-width:1023.5px){.side-nav{flex-direction:row}}
.side-nav button{display:flex;align-items:center;gap:11px;border:1px solid transparent;background:transparent;color:var(--muted);border-radius:12px;padding:11px 13px;font-weight:600;font-size:14px;cursor:pointer;min-height:44px;text-align:left;transition:background .18s,color .18s,border-color .18s}
.side-nav button svg{flex:none;width:18px;height:18px;opacity:.7}
.side-nav button:hover{background:var(--surface);color:var(--ink)}
.side-nav button.active{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.45);color:var(--amber)}
.side-nav button.active svg{opacity:1}
.side-note{margin:0;font-size:11.5px;color:var(--muted);line-height:1.7;padding:0 6px}

/* ---- views ---- */
.view{display:none}
body[data-view="calc"] #calc,body[data-view="compare"] #compare,body[data-view="detail"] #detail,
body[data-view="method"] #method,body[data-view="grade"] #grade,body[data-view="unemp"] #unemp,
body[data-view="true"] #true,body[data-view="reco"] #reco,body[data-view="settings"] #settings{display:block;animation:viewIn .3s ease}
body.all .view{display:block;animation:none}
@keyframes viewIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
section{padding:34px 0 6px}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.sec-head h2{margin:0;font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;font-weight:700}
.sec-head h2 .ver{font-size:12px;font-weight:500;color:var(--muted)}
.sec-head p{margin:8px 0 0;color:var(--muted);font-size:14px;max-width:62ch}
.num{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--amber);font-family:"IBM Plex Sans",monospace}
.ver{font-size:12px;font-weight:500;color:var(--muted)}
.best-pill{font-size:13px;font-weight:600;background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.5);color:var(--amber);border-radius:999px;padding:9px 16px;font-variant-numeric:tabular-nums}

/* ---- hero / input ---- */
.hero{padding-top:40px}
.hero-text .eyebrow{display:inline-flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:12.5px;font-weight:600;color:var(--ink2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(52,211,153,.15)}
h1{font-size:clamp(32px,4.4vw,50px);line-height:1.16;margin:18px 0 12px;letter-spacing:-.03em;font-weight:700}
.lead{color:var(--ink2);font-size:15px;max-width:60ch}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.input-card{padding:24px;margin-top:26px}
.fld-label{font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink2)}
.calc-display{background:var(--display);border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:10px}
.calc-display .gross-view{background:none;border:0;border-radius:0;padding:0;margin-top:10px;display:flex;align-items:baseline;gap:10px}
.input-row{display:flex;gap:10px}
.input-row input{flex:1;min-width:0;background:transparent;border:0;color:var(--gold);font-size:clamp(34px,5vw,46px);font-weight:700;letter-spacing:-.03em;text-align:right;width:100%;font-variant-numeric:tabular-nums}
.input-row input:focus{outline:none}
.unit-toggle{display:flex;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px;align-self:center}
.unit-toggle button{border:0;background:transparent;border-radius:9px;padding:10px 14px;font-weight:600;font-size:13px;color:var(--muted);cursor:pointer;min-height:44px}
.unit-toggle button.on{background:var(--gold);color:#0F172A}
.quick{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.quick button{flex:1;min-width:64px;border:1px solid var(--line);background:var(--surface2);border-radius:12px;padding:12px 8px;font-weight:700;font-size:15px;cursor:pointer;color:var(--ink2);min-height:48px;font-variant-numeric:tabular-nums;transition:border-color .18s,color .18s}
.quick button.on,.quick button:hover{border-color:var(--gold);color:var(--amber)}
.gross-view span:first-child{font-size:22px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.gross-view .hint{font-size:12px;color:var(--muted)}
.calc-display .gross-view .hint{color:#9AA9BC}
.half-set{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;margin-top:12px;padding:13px 14px;border:1px dashed var(--line);border-radius:12px;background:rgba(255,255,255,.02)}
.half-set label{font-size:13.5px;font-weight:600}
.half-set p{margin:3px 0 0;font-size:12px;color:var(--muted)}
.base4-row{display:flex;align-items:center;gap:7px}
.base4-row input{width:100px;background:#fff;color:var(--ink);font-size:18px;font-weight:700;border:1.5px solid var(--line);border-radius:10px;padding:9px 10px;text-align:right;font-variant-numeric:tabular-nums}
.base4-row input:focus{outline:none;border-color:var(--gold)}
.base4-row span{font-size:13px;font-weight:600;color:var(--muted)}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:12px;padding:13px 14px;border:1px solid rgba(14,107,79,.4);border-radius:12px;background:rgba(14,107,79,.07);font-size:13.5px;font-weight:600;cursor:pointer}
.check-row input{width:20px;height:20px;margin-top:1px;accent-color:var(--gold)}
.check-row small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.warn{margin:12px 0 0;font-size:13px;font-weight:600;color:#9A3412;background:rgba(245,158,11,.12);border:1px solid rgba(180,83,9,.45);border-radius:10px;padding:10px 12px 10px 38px;position:relative}
.warn::before{content:"!";position:absolute;left:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;background:var(--gold);color:#0F172A;font-weight:700;font-size:13px;display:grid;place-items:center}

/* ---- result cards ---- */
.grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
@media(max-width:1100px){.grid5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid5{grid-template-columns:1fr}}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:1100px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}
.mcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 16px;cursor:pointer;position:relative;transition:transform .18s,box-shadow .18s,border-color .18s;text-decoration:none;color:inherit;display:block}
.mcard:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--gold)}
.mcard.best{border:2px solid var(--gold);background:linear-gradient(rgba(245,158,11,.08),var(--surface))}
.mcard .k{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--muted);display:flex;align-items:center;gap:8px}
.mcard.best .k{color:var(--amber)}
.mcard h3{margin:6px 0 2px;font-size:16px;font-weight:700}
.mcard .net{font-size:clamp(21px,2.2vw,25px);font-weight:700;letter-spacing:-.02em;margin-top:8px;color:var(--amber);font-variant-numeric:tabular-nums}
.mcard .deduct{font-size:12px;color:var(--muted);margin-top:4px}
.mcard .crown{position:absolute;top:-13px;right:12px;background:var(--gold);color:#0F172A;font-size:11.5px;font-weight:700;border-radius:999px;padding:4px 12px}
.rank{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:7px;background:var(--surface2);border:1px solid var(--line);font-size:12px;font-weight:700;color:var(--ink2);padding:0 5px}
.rank.r1{background:var(--gold);border-color:var(--gold);color:#0F172A}
.footnote{font-size:12.5px;color:var(--muted);margin-top:12px}

/* ---- detail ---- */
.detail-list{display:grid;gap:12px}
.detail{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.detail-head{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:18px 20px;cursor:pointer;user-select:none;min-height:44px}
.detail-head h3{margin:0;font-size:16px;font-weight:600}
.detail-head h3 span{font-size:12px;font-weight:500;color:var(--muted);margin-left:8px}
.detail-head .net{font-size:19px;font-weight:700;white-space:nowrap;color:var(--amber);font-variant-numeric:tabular-nums}
.detail-body{border-top:1px solid var(--line-soft);padding:6px 20px 18px;display:none}
.detail.open .detail-body{display:block}
.detail-body table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:10px}
.detail-body td{padding:9px 4px;border-bottom:1px dashed var(--line);color:var(--ink2)}
.detail-body td:last-child{text-align:right;font-weight:600;white-space:nowrap;color:var(--ink);font-variant-numeric:tabular-nums}
.detail-body tr.total td{border-bottom:0;font-size:15px;font-weight:700}
.detail-body tr.total td:last-child{color:var(--amber);font-size:18px}
.detail-body .formula,.formula{font-size:12px;color:#C3CEDD;background:var(--display);border:1px solid var(--line-soft);border-radius:8px;padding:9px 12px;margin-top:10px;font-family:"IBM Plex Sans",monospace}

/* ---- method ---- */
.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:860px){.method-grid{grid-template-columns:1fr}}
.method-grid article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.method-grid article:last-child{border:2px solid var(--green)}
.tag{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--green)}
.method-grid h3{margin:6px 0 8px;font-size:17px;font-weight:700}
.method-grid p{margin:0;font-size:13.5px;color:var(--ink2)}
.method-grid code{display:block;margin:10px 0;font-size:12.5px;background:var(--display);border:1px solid var(--line-soft);color:var(--gold);border-radius:8px;padding:10px 12px;font-family:"IBM Plex Sans",monospace}
.method-grid .sub{font-size:12px;color:var(--muted)}

/* ---- forms shared ---- */
.set{background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:12px;padding:13px}
.set label{display:block;font-size:12.5px;font-weight:600}
.set small{display:block;font-size:11px;color:var(--muted);margin:2px 0 8px}
.set .row{display:flex;align-items:center;gap:8px}
.set input{width:100%;background:#fff;color:var(--ink);font-size:15px;font-weight:600;border:1.5px solid var(--line);border-radius:8px;padding:9px;font-variant-numeric:tabular-nums}
.set input:focus{outline:none;border-color:var(--gold)}
.set .u{font-size:12px;font-weight:600;color:var(--muted);white-space:nowrap}
.set select{width:100%;background:#fff;color:var(--ink);font-size:14px;font-weight:600;border:1.5px solid var(--line);border-radius:8px;padding:10px}
.btn-ghost{border:1.5px solid var(--line);background:var(--surface);color:var(--ink2);border-radius:999px;padding:11px 18px;font-weight:600;font-size:13px;cursor:pointer;min-height:44px}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}
.btn-solid2{border:0;background:var(--gold);color:#0F172A;border-radius:12px;padding:14px;font-weight:700;font-size:14px;cursor:pointer;min-height:48px}
.btn-solid2:hover{filter:brightness(1.1)}
.exp-presets{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.exp-presets button{border:1px solid var(--line);background:var(--surface2);border-radius:999px;padding:9px 15px;font-weight:600;font-size:12.5px;cursor:pointer;color:var(--ink2);min-height:40px}
.exp-presets button.on,.exp-presets button:hover{border-color:var(--gold);color:var(--amber)}

/* ---- grade ---- */
.grade-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:12px;align-items:start}
@media(max-width:900px){.grade-grid{grid-template-columns:1fr}}
.grade-input{padding:20px;display:grid;gap:12px;align-content:start}
.grade-result{padding:22px}
.fire-box{margin-top:14px;background:var(--display);border:1px solid var(--line-soft);border-radius:12px;padding:16px}
.fire-box{margin-top:14px;background:var(--display);border:1px solid var(--line-soft);border-radius:12px;padding:16px;color:#EAF0F6}
.fire-head{font-size:14px;font-weight:700;margin-bottom:10px;color:#fff}
.fire-head small{display:block;font-weight:400;font-size:11.5px;color:#9AA9BC;margin-top:2px}
.fire-box .set label{color:#EAF0F6}
.fire-box .set small{color:#9AA9BC}
.fire-box .exp-presets button{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22);color:#EAF0F6}
.fire-box .exp-presets button.on,.fire-box .exp-presets button:hover{border-color:var(--gold);color:var(--gold)}
.fire-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;align-items:end}
@media(max-width:700px){.fire-row{grid-template-columns:1fr}}
.fire-row .set{background:transparent;border-style:dashed}
.fire-out{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
@media(max-width:560px){.fire-out{grid-template-columns:1fr}}
.fire-out div{background:rgba(245,158,11,.07);border:1px solid rgba(245,158,11,.3);border-radius:10px;padding:11px 13px}
.fire-out span{display:block;font-size:11px;color:#9AA9BC}
.fire-out b{font-size:18px;color:var(--gold);font-variant-numeric:tabular-nums}

/* ---- dark display panels (unemp / grade / true results) ---- */
.u-nets{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:560px){.u-nets{grid-template-columns:1fr}}
.u-nets div{background:var(--display);border:1px solid var(--line-soft);border-radius:10px;padding:12px 13px}
.u-nets span{display:block;font-size:11.5px;color:#9AA9BC}
.u-nets b{font-size:17px;color:#fff;font-variant-numeric:tabular-nums}
.u-nets b.hl{color:var(--gold)}
.u-total{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:14px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.45);border-radius:12px;padding:14px 16px;flex-wrap:wrap}
.u-total span{font-size:13px;font-weight:600;color:var(--amber)}
.u-total b{font-size:clamp(22px,3vw,28px);font-weight:700;letter-spacing:-.02em;color:var(--amber);font-variant-numeric:tabular-nums}
.u-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.unemp-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:12px;align-items:start}
@media(max-width:860px){.unemp-grid{grid-template-columns:1fr}}
.unemp-input{padding:20px;display:grid;gap:12px;align-content:start}
.unemp-result{padding:22px;background:linear-gradient(var(--surface),var(--surface));border-color:var(--violet)}
.u-row{font-size:13.5px;font-weight:600;border-radius:10px;padding:11px 13px 11px 38px;margin-bottom:14px;position:relative}
.u-row::before{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13px}
.u-row.ok{background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.4);color:var(--ink)}
.u-row.ok::before{content:"✓";background:var(--green);color:#0F172A}
.u-row.no{background:rgba(248,113,113,.08);border:1px solid rgba(248,113,113,.4)}
.u-row.no::before{content:"!";background:var(--red);color:#0F172A}

/* ---- true net ---- */
.true-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:12px;align-items:start}
@media(max-width:900px){.true-grid{grid-template-columns:1fr}}
.true-input{padding:20px;display:grid;gap:12px;align-content:start}
.true-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.true-card.win{border:2px solid var(--gold)}
.true-card .detail-head .net{color:var(--amber)}

/* ---- settings ---- */
.settings-card{padding:22px}
.set-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:860px){.set-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.set-grid{grid-template-columns:1fr}}
.rate-note{margin:16px 0 0;padding:0 0 0 18px;font-size:12.5px;color:var(--muted);display:grid;gap:6px}

footer{margin:54px 0 40px;border-top:1px solid var(--line);padding-top:22px}
footer p{font-size:13px;color:var(--ink2)}
footer .copy{font-size:12px;color:var(--muted)}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .35s ease,transform .35s ease}
.reveal.on{opacity:1;transform:none}