:root{
  --bg:#f5f4f0; --surface:#fbfbf9; --panel:#ffffff; --panel-soft:#f7f6f2;
  --ink:#1c1c1a; --ink-hover:#3a3935; --ink-2:#55534d; --sub:#7a776f; --muted:#8a877f;
  --line:#e3e1db; --line-2:#dcdad3; --line-3:#efeee9; --hover:#efeee9; --soft:#f3f2ee; --track:#ebe9e3;
  --accent:#2449d8; /* 급여명세서 코발트 */
  --accent-soft:#e7ecfc;
  --navy:#111a3a;
  --c1:#6c8cff; --c2:#38c3a8; --c3:#9be0cf; --c4:#f2b84b; --c5:#ff7a59; --c6:#ffb59f;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;word-break:keep-all}
button{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.mono-label--light{color:rgba(255,255,255,.55)}
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.actions{display:flex;gap:8px}
.btn{height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--hover)}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover{background:var(--ink-hover)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 레이아웃 ---------- */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:32px 28px 56px;display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:28px;align-items:start}
.range,.basis{grid-column:1 / -1}

/* ---------- 입력 ---------- */
.inputs{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:22px;position:sticky;top:20px}
.field{display:flex;flex-direction:column;gap:10px;min-width:0}
.field-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}
.field-label{font-size:13px;font-weight:700;color:var(--ink)}
.field-label small{font-weight:400;color:var(--muted);margin-left:4px}
.field-hint{font-size:12.5px;color:var(--accent);font-weight:500}
.field-note{margin:0;font-size:12px;color:var(--muted)}
.money{display:flex;align-items:center;border:1.5px solid var(--line-2);border-radius:14px;background:var(--surface);padding:0 16px;transition:border-color .15s,box-shadow .15s}
.money:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.money-input{flex:1;min-width:0;height:56px;border:none;background:transparent;font-family:var(--mono);font-size:24px;font-weight:500;color:var(--ink);letter-spacing:-.02em;outline:none;text-align:right}
.money--sm .money-input{height:44px;font-size:17px}
.money-unit{margin-left:8px;color:var(--sub);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{height:30px;padding:0 12px;border:1px solid var(--line-2);background:#fff;border-radius:999px;font-size:12.5px;cursor:pointer;transition:border-color .15s,background .15s,transform .1s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip:active{transform:scale(.96)}
.chip--ghost{background:transparent;font-family:var(--mono);font-size:12px}
.link-btn{border:none;background:none;padding:0;font-size:12px;color:var(--accent);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);border-radius:12px;padding:4px;gap:4px}
.seg--3{grid-template-columns:repeat(3,1fr)}
.seg button{height:38px;border:none;background:transparent;border-radius:9px;font-size:13px;cursor:pointer;color:var(--ink-2);transition:background .15s,color .15s}
.seg button.is-active{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.field--row{flex-direction:row;gap:14px}
.stepper-wrap{flex:1;display:flex;flex-direction:column;gap:10px;min-width:0}
.stepper{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line-2);border-radius:12px;height:46px;padding:0 4px;background:var(--surface)}
.stepper button{width:38px;height:38px;border:none;background:transparent;border-radius:9px;font-size:20px;cursor:pointer;color:var(--ink)}
.stepper button:hover:not(:disabled){background:var(--hover)}
.stepper button:disabled{opacity:.3;cursor:default}
.stepper output{font-family:var(--mono);font-size:20px;font-weight:500}

/* ---------- 결과 ---------- */
.result{display:flex;flex-direction:column;gap:18px;min-width:0}
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;border-radius:24px;padding:26px 28px 24px;
  background-image:radial-gradient(circle at 100% 0,rgba(108,140,255,.35),transparent 50%),radial-gradient(circle at 0 120%,rgba(56,195,168,.22),transparent 45%)}
.hero-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.hero-rate{font-size:12.5px;color:rgba(255,255,255,.7);background:rgba(255,255,255,.08);border-radius:999px;padding:4px 10px}
.hero-rate b{font-family:var(--mono);color:#fff;font-weight:500}
.hero-num{font-family:var(--mono);font-size:64px;font-weight:500;line-height:1.05;letter-spacing:-.04em;margin-top:14px;word-break:break-all}
.hero-num small{font-family:var(--font);font-size:22px;margin-left:6px;letter-spacing:0;color:rgba(255,255,255,.7)}
.hero-sub{margin:8px 0 18px;font-size:14px;color:rgba(255,255,255,.72)}
.bar{display:flex;height:14px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.1);gap:2px}
.bar-seg{display:block;height:100%;transition:width .4s cubic-bezier(.2,.8,.2,1);min-width:0}
.bar-seg--net{background:#fff}
.hero-foot{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.18)}
.hero-foot div{display:flex;flex-direction:column;gap:4px;min-width:0}
.hero-foot b{font-family:var(--mono);font-size:19px;font-weight:500;word-break:break-all}

/* 명세서 */
.stub{position:relative;background:#fff;border:1px solid var(--line);border-radius:4px 4px 18px 18px;padding:22px 24px 18px;
  box-shadow:0 1px 2px rgba(0,0,0,.03),0 14px 30px rgba(17,26,58,.06)}
.stub::before{content:"";position:absolute;left:0;right:0;top:-7px;height:14px;
  background:radial-gradient(circle at 7px 0,var(--bg) 6px,transparent 6.5px) 0 0/14px 14px repeat-x}
.stub-title{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-bottom:12px;border-bottom:2px solid var(--ink);font-weight:700;font-size:15px}
.stub-body{display:flex;flex-direction:column}
.stub-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line-2);font-size:14px}
.stub-row span{min-width:0}
.stub-row small{font-family:var(--mono);font-size:11px;color:var(--muted);margin-left:4px}
.stub-row b{font-family:var(--mono);font-weight:500;white-space:nowrap}
.stub-row--head{font-weight:700}
.stub-row--muted{color:var(--sub);font-size:13px;padding-top:0}
.stub-row--total{border-bottom:none;padding-top:14px;font-weight:700;color:#c2410c}
.stub-row--net{border-top:2px solid var(--ink);border-bottom:none;font-weight:700;font-size:16px;padding-top:14px}
.stub-row--net b{color:var(--accent);font-size:20px}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;vertical-align:1px}
.stub-note{margin:12px 0 0;font-size:12px;color:var(--muted);line-height:1.6}

/* ---------- 구간표 ---------- */
.range{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px 24px}
.range-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.range-title{margin:0;font-size:18px;letter-spacing:-.01em}
.range-note{margin:4px 0 0;font-size:12.5px;color:var(--sub)}
.range-wrap{max-height:420px;overflow:auto;border:1px solid var(--line-3);border-radius:12px;position:relative}
.range-wrap.is-open{max-height:none}
.range-table{width:100%;border-collapse:collapse;font-size:13.5px}
.range-table thead th{position:sticky;top:0;background:var(--panel-soft);font-weight:500;font-size:12px;color:var(--sub);text-align:right;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.range-table thead th:first-child{text-align:left}
.range-table td,.range-table tbody th{padding:9px 14px;text-align:right;font-family:var(--mono);border-bottom:1px solid var(--line-3);white-space:nowrap}
.range-table tbody th{text-align:left;font-family:var(--font);font-weight:500}
.range-table tbody tr{cursor:pointer;transition:background .12s}
.range-table tbody tr:hover{background:var(--soft)}
.range-table .col-net{font-weight:500;color:var(--ink)}
.range-table tr.is-current{background:var(--accent-soft)}
.range-table tr.is-current th,.range-table tr.is-current .col-net{color:var(--accent);font-weight:700}
.range-tip{margin:10px 0 0;font-size:12px;color:var(--muted)}

/* ---------- 계산 기준 ---------- */
.basis{border-top:1px solid var(--line);padding-top:24px}
.basis-title{display:flex;align-items:baseline;gap:10px;margin:0 0 14px;font-size:16px}
.basis-list{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px}
.basis-list div{display:grid;grid-template-columns:92px minmax(0,1fr);gap:10px;font-size:13px;line-height:1.6;padding:8px 0;border-bottom:1px solid var(--line-3)}
.basis-list dt{font-weight:700}
.basis-list dd{margin:0;color:var(--ink-2)}
.basis-list b{color:var(--ink)}
.basis-note{margin:14px 0 0;font-size:12.5px;color:var(--sub);line-height:1.6}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .wrap{grid-template-columns:minmax(0,1fr)}
  .inputs{position:static}
  .basis-list{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .topbar{padding:14px 16px}
  .wrap{padding:20px 16px 40px;gap:18px}
  .inputs,.range{padding:18px 16px;border-radius:16px}
  .hero{padding:22px 18px 20px;border-radius:20px}
  .hero-num{font-size:44px}
  .hero-num small{font-size:17px}
  .hero-foot b{font-size:15px}
  .stub{padding:20px 16px 16px}
  .stub-row{font-size:13px}
  .stub-row small{display:block;margin:2px 0 0 16px}
  .range-table{font-size:12px}
  .range-table td,.range-table tbody th,.range-table thead th{padding:8px 8px}
  .range-table th:nth-child(3),.range-table td:nth-child(3),.range-table th:nth-child(4),.range-table td:nth-child(4){display:none}
  .basis-list div{grid-template-columns:minmax(0,1fr);gap:2px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* 다크 모드 (인쇄는 라이트 그대로) */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#131419; --surface:#191a21; --panel:#1e1f27; --panel-soft:#23242d;
    --ink:#eaebf1; --ink-hover:#ffffff; --ink-2:#c6c8d3; --sub:#9ea0ad; --muted:#878a97;
    --line:#2d2e38; --line-2:#383a45; --line-3:#25262e; --hover:#292a33; --soft:#25262e; --track:#33343e;
    --accent:#7d97ff; --accent-soft:rgba(125,151,255,.16);
    --navy:#151d40;
  }
  :root[data-theme="dark"] .btn--solid,
  :root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .chip{background:var(--surface)}
  :root[data-theme="dark"] .chip--ghost{background:transparent}
  :root[data-theme="dark"] .seg button.is-active{background:var(--track);box-shadow:0 1px 3px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .hero{box-shadow:inset 0 0 0 1px #262f5a}
  :root[data-theme="dark"] .stub{background:var(--panel);box-shadow:0 1px 2px rgba(0,0,0,.2),0 14px 30px rgba(0,0,0,.3)}
  :root[data-theme="dark"] .stub-row--total{color:#ff8a5c}
  :root[data-theme="dark"] .bar-seg--net{background:#cfd8ff}
}