/* 서식척척 계산기 (/calc/*) — 모바일 우선 */
.calc-grid{display:grid;gap:16px;align-items:start;grid-template-columns:minmax(0,1fr)}
.calc-grid>*{min-width:0}
.calc-in select,.calc-in input{width:100%;max-width:100%;min-width:0}
.calc-form .fld,.calc-group{min-width:0}
@media (min-width:900px){.calc-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}.calc-res{position:sticky;top:76px}}
.calc-form,.calc-res{background:#fff;border:1px solid var(--line,#e4e0d6);border-radius:16px;padding:16px}
.calc-form{display:flex;flex-wrap:wrap;gap:0 12px;align-content:flex-start}
.calc-form>.fld,.calc-group{flex:1 1 100%}
.calc-form .fld.half{flex:1 1 calc(50% - 6px);min-width:140px}
.calc-group{border:1px dashed var(--line,#e4e0d6);border-radius:12px;padding:6px 12px 2px;margin:2px 0 12px;display:flex;flex-wrap:wrap;gap:0 12px;min-width:0}
.calc-group>legend{font-size:13px;font-weight:700;color:var(--sub,#5b6275);padding:0 6px}
.calc-group>.fld{flex:1 1 100%}.calc-group>.fld.half{flex:1 1 calc(50% - 6px);min-width:130px}
.calc-lab{display:block;font-weight:600;font-size:14px;margin-bottom:5px}
.calc-opt{display:inline-block;margin-left:6px;font-size:11.5px;font-weight:500;color:#7a7f8c;background:#f1f3f7;border-radius:6px;padding:0 6px}
.calc-in{display:flex;align-items:center;gap:6px}
.calc-in input,.calc-in select{flex:1 1 auto;min-width:0}
.calc-t-money .calc-in input{text-align:right;font-variant-numeric:tabular-nums;font-size:17px;font-weight:600}
.calc-unit{flex:none;color:var(--sub,#5b6275);font-size:14px}
.calc-seg{display:flex;flex-wrap:wrap;gap:4px;background:#f3f1ea;border-radius:12px;padding:4px}
.calc-seg button{flex:1 1 auto;border:0;background:transparent;border-radius:9px;padding:8px 10px;font:inherit;font-size:14px;font-weight:600;color:#4b5263;cursor:pointer;min-height:38px}
.calc-seg button.on{background:#fff;color:var(--brand,#2b4acb);box-shadow:0 2px 8px -3px rgba(16,24,40,.3)}
.calc-seg button:focus-visible,.calc-chip:focus-visible{outline:3px solid #f08c00;outline-offset:1px}
.calc-quick{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.calc-chip{border:1px solid #d6dcf5;background:#f6f8ff;color:#1f37a0;border-radius:999px;padding:4px 10px;font:inherit;font-size:12.5px;cursor:pointer}
.calc-formbar{flex:1 1 100%;display:flex;gap:8px;align-items:center;margin-top:4px}
.calc-res{border:2px solid var(--brand,#2b4acb);background:#fbfcff}
.calc-main{display:flex;flex-direction:column;gap:2px;padding:4px 2px 12px;border-bottom:1px solid #e3e7f5}
.calc-main-l{font-size:14px;color:var(--sub,#5b6275);font-weight:600}
.calc-main-v{font-size:clamp(30px,7vw,40px);line-height:1.15;color:var(--brand,#2b4acb);font-variant-numeric:tabular-nums;letter-spacing:-.02em;word-break:keep-all}
.calc-main.bad .calc-main-v{color:#c92a2a}.calc-main.good .calc-main-v{color:#2b8a3e}
.calc-main small{font-size:13.5px;color:var(--sub,#5b6275)}
.calc-badges{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0}
.calc-badge{font-size:12.5px;border-radius:7px;padding:3px 8px;background:#eef1fd;color:#1f37a0;font-weight:600}
.calc-badge.ok{background:#e7f6ea;color:#1e7a34}.calc-badge.warn{background:#fff1dc;color:#9a5b00}.calc-badge.bad{background:#ffe8e8;color:#b42318}
.calc-rows{width:100%;border-collapse:collapse;margin:8px 0 4px;font-size:15px}
.calc-rows th,.calc-rows td{padding:8px 2px;border-bottom:1px solid #edf0f7;text-align:left;vertical-align:top}
.calc-rows th{font-weight:500;color:#4b5263}
.calc-rows td{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
.calc-rows tr.sub th{padding-left:14px;font-size:14px;color:#6b7180}.calc-rows tr.sub td{font-weight:500;font-size:14px}
.calc-rows tr.total th,.calc-rows tr.total td{font-weight:800;color:#1f2433;border-top:2px solid #d6dcf5}
.calc-rows tr.minus td{color:#c92a2a}.calc-rows tr.plus td{color:#2b8a3e}
.calc-rows tr.sep td{border:0;padding:3px}
.calc-tbl-wrap{overflow-x:auto;margin:8px 0}
.calc-tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:420px}
.calc-tbl th,.calc-tbl td{border-bottom:1px solid #edf0f7;padding:6px 6px;text-align:right;white-space:nowrap}
.calc-tbl th:first-child,.calc-tbl td:first-child{text-align:left}
.calc-tbl thead th{background:#f3f5fb;font-weight:700;color:#3b4256}
.calc-tbl tr.now td{background:#fff8e6}
.calc-warn{background:#fff8e6;border:1px solid #f3dca4;border-radius:10px;padding:8px 12px;font-size:14px;margin:8px 0}
.calc-err{color:#b42318;font-weight:600}
.calc-steps{margin:10px 0 4px;border:1px solid #e3e7f5;border-radius:12px;background:#fff}
.calc-steps>summary{cursor:pointer;padding:10px 12px;font-weight:700;font-size:14.5px;color:#1f37a0;list-style:none}
.calc-steps>summary::-webkit-details-marker{display:none}
.calc-steps>summary::before{content:'▸ ';display:inline-block;transition:transform .15s}
.calc-steps[open]>summary::before{transform:rotate(90deg)}
.calc-steps ol,.calc-steps ul{margin:0 12px 10px 30px;padding:0;font-size:14px;line-height:1.7}
.calc-steps ol li{margin:2px 0;word-break:keep-all}
.calc-notes{color:#6b5300}
.calc-law,.calc-src{margin:6px 12px 10px;font-size:13px;color:var(--sub,#5b6275);line-height:1.7}
.calc-law a{color:var(--brand,#2b4acb)}
.calc-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.calc-disc{font-size:12px;color:#8a8f9c;margin:8px 0 0}
.calc-cta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#eef1fd,#f7f3ff);border:1px solid #d6dcf5;border-radius:14px;padding:14px 16px;margin:16px 0}
.calc-cta p{margin:0;font-size:15px}.calc-cta b{color:#1f37a0}
.calc-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#1f2433;color:#fff;border-radius:10px;padding:10px 16px;font-size:14px;opacity:0;transition:.2s;z-index:9999;max-width:90vw}
.calc-toast.show{opacity:1;transform:translate(-50%,0)}
.calc-hub{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin:14px 0}
.calc-hub a{display:block;background:#fff;border:1px solid var(--line,#e4e0d6);border-radius:14px;padding:14px 16px;text-decoration:none;color:var(--ink,#1f2433)}
.calc-hub a:hover{border-color:var(--brand,#2b4acb);box-shadow:0 8px 20px -14px rgba(43,74,203,.6)}
.calc-hub b{display:block;font-size:17px;margin-bottom:4px}.calc-hub span{font-size:14px;color:var(--sub,#5b6275)}
.calc-hub em{font-style:normal;font-size:12px;color:#9a5b00;background:#fff1dc;border-radius:6px;padding:1px 6px;margin-left:6px}
.calc-print-head{display:none}
@media (max-width:420px){.calc-form,.calc-res{padding:12px;border-radius:14px}.calc-form .fld.half,.calc-group>.fld.half{min-width:120px}}
@media print{
  body.calc-printing main .wrap>*:not(.calc-app-wrap){display:none!important}
  body.calc-printing .calc-form,body.calc-printing .calc-actions,body.calc-printing .calc-cta{display:none!important}
  body.calc-printing .calc-grid{display:block}
  body.calc-printing .calc-res{border:1px solid #999;position:static}
  body.calc-printing .calc-print-head{display:block;font-size:13px;margin-bottom:8px}
  body.calc-printing .calc-steps>summary::before{content:''}
}