:root{
  --ink:#20242a;
  --muted:#6f7782;
  --subtle:#9aa2ad;
  --line:#e4e8ec;
  --line-strong:#d7dde3;
  --paper:#fff;
  --canvas:#f6f8f9;
  --panel:#fbfcfd;
  --green:#007a5f;
  --green-dark:#005b49;
  --green-soft:#eef8f4;
  --mint:#dff2ea;
  --peach:#fff1ea;
  --orange:#e8662a;
  --red:#d84a45;
  --shadow:0 18px 45px rgba(27,37,50,.08);
}
*{box-sizing:border-box}
html{background:var(--canvas)}
body{margin:0;color:var(--ink);background:var(--canvas);font-family:"Noto Sans KR",Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}button{cursor:pointer}.wrap{width:min(1440px,100%);margin:auto}
h1,h2,h3,p{margin-top:0}h1{margin-bottom:0}.eyebrow,.number{margin:0 0 8px;color:var(--green);font-family:Inter,"Noto Sans KR",sans-serif;font-size:11px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}
.hero{position:relative;margin:20px auto 0;width:min(1440px,calc(100% - 40px));border:1px solid var(--line);border-radius:18px 18px 0 0;padding:26px 32px 22px;color:var(--ink);background:linear-gradient(90deg,#fff 0%,#fff 58%,#f2faf6 100%);box-shadow:var(--shadow)}
.hero::after{content:"";position:absolute;right:30px;bottom:0;width:310px;height:86px;background:linear-gradient(135deg,transparent 35%,rgba(0,122,95,.08));clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);pointer-events:none}.hero .wrap{width:100%}
.hero-row,.section-head,.result-head,.difference,footer,.period-title,.report-period{display:flex;align-items:center;justify-content:space-between;gap:20px}.hero-row{position:relative;z-index:1}.hero h1{margin-bottom:7px;font-size:31px;line-height:1.12;letter-spacing:0}.hero p:last-child{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.ghost{border:1px solid var(--green);border-radius:7px;padding:10px 14px;color:#fff;background:var(--green);font-size:13px;font-weight:800;box-shadow:0 8px 18px rgba(0,122,95,.18)}
.calculator-tabs{display:flex;gap:6px;width:min(1440px,calc(100% - 40px));border-right:1px solid var(--line);border-left:1px solid var(--line);padding:0 32px 18px;background:#fff}.tab-button{height:38px;border:1px solid transparent;border-radius:7px;padding:0 14px;color:var(--muted);background:#f3f6f6;font-size:13px;font-weight:800}.tab-button.active{border-color:#c8e3d8;color:var(--green-dark);background:var(--green-soft)}.tab-panel{display:none}.tab-panel.active{display:grid}.period-section.tab-panel.active{display:block}
.layout{grid-template-columns:minmax(0,1fr) 420px;gap:18px;width:min(1440px,calc(100% - 40px));border:1px solid var(--line);border-top:0;padding:0 32px 32px;background:#fff;box-shadow:var(--shadow)}.panel{border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:none}.inputs{padding:24px}.results{position:sticky;top:18px;padding:22px;background:#fbfdfc}.section-head{margin-bottom:18px}.section-head h2,.results h2,.period-result h2{margin-bottom:0;font-size:20px;letter-spacing:0}.text-btn{border:1px solid var(--line);border-radius:6px;padding:8px 11px;color:var(--muted);background:#fff;font-size:12px;font-weight:800}.grid,.cost-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;min-width:0;flex-direction:column;gap:7px;color:#59636f;font-size:12px;font-weight:800}.wide{grid-column:span 2}.field small,.helper{color:var(--subtle);font-size:11px;font-weight:500;line-height:1.5}select,.field i{width:100%;min-height:44px;border:1px solid var(--line-strong);border-radius:7px;background:#fff}select{padding:0 12px;color:var(--ink);outline:0}.field i{display:flex;align-items:center;overflow:hidden;font-style:normal}.field input{width:100%;min-width:0;border:0;padding:11px 12px;color:var(--ink);background:transparent;text-align:right;outline:0}.field b{padding-right:12px;color:#858e98;font-size:12px;white-space:nowrap}select:focus,.field i:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(0,122,95,.11)}
details{margin-top:18px;border:1px solid #dcebe5;border-radius:8px;background:var(--green-soft)}summary{padding:13px 15px;color:var(--green-dark);cursor:pointer;font-size:13px;font-weight:800}.detail-body{padding:0 15px 15px}.detail-body .field{max-width:260px;margin-top:14px}.detail-body p{margin:10px 0 0;color:#77837f;font-size:11px}.check{display:flex;gap:8px;align-items:center;color:#536168;font-size:12px}.check input{accent-color:var(--green)}.cost-head{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.cost-card{display:grid;align-content:start;gap:14px;border:1px solid var(--line);border-radius:8px;padding:16px;background:#fff}.rocket{border-color:#cce6dc;background:#fbfffd}.cost-title{display:flex;gap:11px;align-items:center;margin-bottom:2px}.cost-title em{display:grid;width:32px;height:32px;place-items:center;border-radius:7px;color:#fff;background:#3b4652;font-family:Inter,"Noto Sans KR";font-size:13px;font-style:normal;font-weight:800}.rocket em{background:var(--green)}.cost-title h3{margin-bottom:2px;font-size:15px}.cost-title p,.helper{margin:0;color:var(--muted);font-size:11px}.results .green{color:var(--green)}.results h2{margin-bottom:14px}.winner{margin-bottom:12px;border:1px solid #cbe8dd;border-radius:8px;padding:12px 13px;color:var(--green-dark);background:var(--green-soft);font-size:12px;font-weight:800;line-height:1.5}.result-card{margin-top:10px;border:1px solid var(--line);border-radius:8px;padding:15px;background:#fff}.rocket-result{border-color:#d1e8df}.result-card.best{border-color:var(--green);box-shadow:inset 4px 0 var(--green)}.result-head{margin-bottom:13px}.result-head p{margin-bottom:2px;color:var(--muted);font-size:12px;font-weight:800}.result-head h3{margin:0;font-size:26px;letter-spacing:0}.result-head strong{color:var(--green);font-family:Inter,"Noto Sans KR";font-size:17px}.negative h3,.negative .result-head strong{color:var(--red)}dl{margin:0}dl div{display:flex;justify-content:space-between;gap:14px;padding:6px 0;color:#77818b;font-size:12px}dt,dd{margin:0}dd{color:#535d67;font-family:Inter,"Noto Sans KR";font-weight:700;text-align:right}.difference{margin-top:13px;border:1px solid #fedbcc;border-radius:8px;padding:12px;color:#9a4a25;background:var(--peach);font-size:12px;font-weight:800}.difference strong{color:var(--orange)}.notice{margin:15px 2px 0;color:#99a2aa;font-size:10px;line-height:1.7}
.period-section{width:min(1440px,calc(100% - 40px));border:1px solid var(--line);border-top:0;padding:0 32px 32px;background:#fff;box-shadow:var(--shadow)}.period-title{align-items:end;margin-bottom:18px}.period-title h2{margin-bottom:6px;font-size:25px;letter-spacing:0}.period-title p:last-child{margin:0;color:var(--muted);font-size:13px}.privacy-badge{border:1px solid #cae6dc;border-radius:7px;padding:8px 11px;color:var(--green-dark);background:var(--green-soft);font-size:11px;font-weight:800}.period-layout{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:18px;align-items:start}.period-inputs,.period-result{padding:24px}.upload-box{display:grid;gap:5px;border:1px dashed #98cfc0;border-radius:8px;padding:20px;color:var(--green-dark);background:#fbfffd;cursor:pointer;text-align:center}.upload-box span{color:#849098;font-size:11px}.upload-box input{margin:10px auto 0;max-width:240px;color:#59636f;font-size:12px}.upload-status{margin:11px 0 15px;color:#89939b;font-size:12px}.upload-status.complete{color:var(--green);font-weight:800}.report-period{margin:10px 0 15px;border:1px solid var(--line);border-radius:8px;padding:11px;background:#f8faf9;color:#78828b;font-size:12px}.report-period strong{color:var(--green)}.ad-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.ad-metrics--simple{grid-template-columns:repeat(2,1fr)}.ad-metrics div{display:grid;gap:7px;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fbfcfd}.ad-metrics span{color:#77828c;font-size:10px;font-weight:800}.ad-metrics small{display:block;color:#a0a8af}.ad-metrics strong{font-size:15px;letter-spacing:0}.profit-total{display:grid;gap:5px;border:1px solid #cbe8dd;border-radius:8px;padding:16px;color:var(--green-dark);background:var(--green-soft)}.profit-total span{font-size:12px;font-weight:800}.profit-total strong{font-size:30px;letter-spacing:0}.profit-total strong.loss{color:var(--red)}.profit-total b{font-size:11px}.period-result dl{margin-top:14px}.period-note{margin-top:15px;border:1px solid #fedbcc;border-radius:8px;padding:12px;background:var(--peach);color:#994b25}.period-note strong{font-size:12px}.period-note p{margin:5px 0 0;font-size:11px;line-height:1.6}
footer{width:min(1440px,calc(100% - 40px));border:1px solid var(--line);border-top:0;border-radius:0 0 18px 18px;padding:18px 32px 24px;color:#9099a2;background:#fff;font-size:11px;box-shadow:var(--shadow)}footer a{color:var(--green);font-weight:800;text-decoration:none}
@media(max-width:980px){.layout,.period-layout{grid-template-columns:1fr}.results{position:static}.hero,.calculator-tabs,.layout,.period-section,footer{width:calc(100% - 24px)}.hero{margin-top:12px}.calculator-tabs,.layout,.period-section{padding-right:18px;padding-left:18px}}
@media(max-width:620px){.hero{padding:24px 18px 20px}.hero-row,.period-title{display:block}.hero h1{font-size:27px}.hero p:last-child{font-size:13px}.ghost{margin-top:16px}.calculator-tabs{overflow-x:auto;padding-bottom:14px}.tab-button{flex:0 0 auto}.layout,.period-section{padding:0 12px 24px}.inputs,.results,.period-inputs,.period-result{padding:16px}.grid,.cost-grid,.ad-metrics,.ad-metrics--simple{grid-template-columns:1fr}.wide{grid-column:auto}.privacy-badge{display:inline-block;margin-top:10px}footer{display:block;padding:16px 18px 22px}footer a{display:block;margin-top:8px}}

.period-shell{padding-top:0}.period-title--dashboard{padding:2px 0 18px;border-bottom:1px solid var(--line)}.period-dashboard{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start;padding-top:18px}.period-main-stack{display:grid;gap:14px}.period-upload-card,.period-cost-panel,.period-ledger,.period-summary-panel{border:1px solid var(--line);border-radius:8px;background:#fff}.period-upload-card,.period-cost-panel,.period-ledger{padding:18px}.period-summary-panel{position:sticky;top:18px;padding:20px;background:#fbfdfc}.period-card-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px}.period-card-head h3{margin:4px 0 0;font-size:17px;letter-spacing:0}.period-card-head strong,.period-card-head span:last-child{color:var(--muted);font-size:12px;font-weight:800}.period-step{display:inline-flex;align-items:center;height:22px;border:1px solid #cbe8dd;border-radius:6px;padding:0 8px;color:var(--green-dark);background:var(--green-soft);font-family:Inter,"Noto Sans KR";font-size:11px;font-weight:800}.period-upload-card .upload-box{min-height:126px;place-content:center;border-style:solid;background:linear-gradient(180deg,#fbfffd 0%,#f4fbf8 100%)}.period-metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.period-metric{display:grid;gap:8px;min-height:106px;border:1px solid var(--line);border-radius:8px;padding:15px;background:#fff}.period-metric.primary{border-color:#cbe8dd;background:var(--green-soft)}.period-metric span{color:#6c7680;font-size:12px;font-weight:800}.period-metric strong{font-size:23px;line-height:1.1;letter-spacing:0}.period-metric.primary strong{color:var(--green-dark)}.period-metric small{color:#9aa2ad;font-size:11px}.period-cost-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ledger-table{display:grid;border-top:1px solid var(--line)}.ledger-row{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:42px;border-bottom:1px solid var(--line);color:#5d6872;font-size:13px}.ledger-row strong{font-family:Inter,"Noto Sans KR";font-size:14px}.ledger-row.plus strong{color:var(--green-dark)}.ledger-row.minus strong{color:#7b848c}.ledger-row.total,.ledger-row.loss{margin-top:8px;border:0;border-radius:8px;padding:0 12px;background:var(--green-soft);font-weight:800}.ledger-row.loss{background:#fff0ef}.ledger-row.loss strong{color:var(--red)}.ledger-row.total strong{color:var(--green-dark)}.period-summary-panel h2{margin-bottom:16px;font-size:22px;letter-spacing:0}.period-summary-panel .profit-total{margin-bottom:12px;padding:18px}.period-summary-panel .profit-total strong{font-size:34px}.summary-stat{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid var(--line);border-radius:8px;margin-top:10px;padding:12px;background:#fff}.summary-stat span{color:#6f7782;font-size:12px;font-weight:800}.summary-stat strong{font-family:Inter,"Noto Sans KR";font-size:15px}.period-summary-panel .period-note{margin-top:14px}.period-summary-panel .notice{margin-top:14px}.period-cost-panel .field small{min-height:16px}
@media(max-width:1080px){.period-dashboard{grid-template-columns:1fr}.period-summary-panel{position:static}.period-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.period-cost-grid{grid-template-columns:1fr}}
@media(max-width:620px){.period-title--dashboard{padding-top:0}.period-dashboard{gap:12px;padding-top:14px}.period-upload-card,.period-cost-panel,.period-ledger,.period-summary-panel{padding:15px}.period-card-head{align-items:flex-start}.period-metric-grid{grid-template-columns:1fr}.period-metric{min-height:auto}.period-summary-panel .profit-total strong{font-size:28px}.ledger-row{font-size:12px}.ledger-row strong{font-size:13px}}

.period-cost-list{display:grid;gap:13px}.return-input-card{display:grid;gap:12px;border:1px solid #fed7c7;border-radius:8px;padding:14px;background:#fff4ee}.return-input-card .field small{color:#9a5a3c}.return-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.return-result-grid div{display:grid;gap:6px;border:1px solid #ffdccc;border-radius:8px;padding:12px;background:#fff}.return-result-grid span{color:#8b5a43;font-size:11px;font-weight:800}.return-result-grid strong{color:#9a4a25;font-family:Inter,"Noto Sans KR";font-size:16px}.period-cost-list>.field{border:1px solid var(--line);border-radius:8px;padding:14px;background:#fff}.period-cost-list>.field:first-child{border-color:#cbe8dd;background:#fbfffd}.ledger-row span{display:grid;gap:3px}.ledger-row small{color:#9aa2ad;font-size:11px;font-weight:500;line-height:1.35}.ledger-row.total small,.ledger-row.loss small{color:inherit;opacity:.75}.profit-total strong.loss,.summary-stat strong.loss{color:var(--red)}
@media(max-width:620px){.return-result-grid{grid-template-columns:1fr}.ledger-row{align-items:flex-start;display:grid;gap:7px}.ledger-row strong{text-align:left}}

/* SaaS period profit calculator */
body{background:linear-gradient(135deg,#f4f8f7 0%,#f8faf9 48%,#fdf7f3 100%)}
.hero,.calculator-tabs,#calculatorTab,footer{display:none!important}.period-section{display:block!important;width:min(1480px,calc(100% - 48px));border:0;padding:28px 0 42px;background:transparent;box-shadow:none}.profit-app-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,34%);gap:26px;align-items:start}.profit-input-card,.profit-result-card{border:1px solid rgba(215,225,224,.9);border-radius:22px;background:#fff;box-shadow:0 22px 70px rgba(31,49,58,.08)}.profit-input-card{padding:30px}.profit-result-card{position:sticky;top:24px;padding:28px}.profit-section-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}.profit-section-head>span{display:grid;min-width:34px;height:34px;place-items:center;border-radius:10px;color:var(--green-dark);background:var(--green-soft);font-family:Inter,"Noto Sans KR";font-size:12px;font-weight:800}.profit-section-head h1,.profit-section-head h2{margin:0 0 6px;font-size:24px;letter-spacing:0}.profit-section-head p{margin:0;color:#758089;font-size:13px;line-height:1.55}.cost-heading{margin-top:34px;padding-top:30px;border-top:1px solid var(--line)}.upload-panel{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:18px}.upload-dropzone{display:grid;grid-template-columns:56px minmax(0,1fr) auto;grid-template-areas:"icon title button" "icon desc button";align-items:center;gap:6px 18px;min-height:150px;border:1px dashed #a8d5c9;border-radius:20px;padding:26px;color:var(--ink);background:linear-gradient(180deg,#fbfffd,#f2faf6);cursor:pointer}.upload-dropzone input{position:absolute;inline-size:1px;block-size:1px;opacity:0;pointer-events:none}.upload-icon{grid-area:icon;display:grid;width:56px;height:56px;place-items:center;border-radius:18px;color:#fff;background:var(--green);font-size:28px;font-weight:800}.upload-dropzone strong{grid-area:title;font-size:18px}.upload-dropzone em{grid-area:desc;color:var(--muted);font-size:13px;font-style:normal}.upload-dropzone b{grid-area:button;border-radius:12px;padding:12px 18px;color:#fff;background:var(--green-dark);font-size:13px}.upload-file-card{display:grid;align-content:center;gap:8px;border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff}.upload-file-card span{color:var(--muted);font-size:12px;font-weight:800}.upload-file-card strong{font-size:17px;line-height:1.35;word-break:break-all}.upload-file-card p{margin:0;color:var(--green);font-family:Inter,"Noto Sans KR";font-size:14px;font-weight:800}.upload-complete-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:16px;border:1px solid #cce8df;border-radius:16px;padding:14px 16px;color:var(--green-dark);background:var(--green-soft);font-size:13px}.upload-complete-bar span{color:#6e817b}.metric-summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.metric-summary-grid div{display:grid;gap:10px;border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff}.metric-summary-grid span{color:var(--muted);font-size:12px;font-weight:800}.metric-summary-grid strong{font-family:Inter,"Noto Sans KR";font-size:27px;letter-spacing:0}.metric-input-card{display:grid;gap:10px;border:1px solid #cce8df;border-radius:18px;padding:20px;background:#fbfffd}.metric-input-card span{color:var(--muted);font-size:12px;font-weight:800}.metric-input-card i{display:flex;align-items:center;min-height:40px;border:1px solid var(--line-strong);border-radius:12px;background:#fff;font-style:normal}.metric-input-card input{width:100%;min-width:0;border:0;padding:10px 12px;background:transparent;text-align:right;outline:0}.metric-input-card b{padding-right:12px;color:#7e8992;font-size:13px}.result-cost-row.neutral strong{color:#8f5a3f}.cost-row input[readonly]{color:#8b5a43;background:rgba(255,244,238,.5)}
.metric-guide{grid-column:1 / -1;margin:0;border:1px solid #ffd8c7;border-radius:12px;padding:10px 12px;color:#994b25;background:#fff4ee;font-size:14px;font-weight:800;line-height:1.45;white-space:nowrap}
@media(max-width:720px){.metric-guide{white-space:normal}}
.cost-row-list{display:grid;gap:14px}.cost-row{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:24px;align-items:center;border:1px solid var(--line);border-radius:18px;padding:18px 20px;background:#fff}.cost-row span{display:grid;gap:5px}.cost-row span strong{font-size:15px}.cost-row span small{color:var(--muted);font-size:12px;line-height:1.45}.cost-row i{display:flex;align-items:center;min-height:50px;border:1px solid var(--line-strong);border-radius:14px;background:#fbfcfd;font-style:normal}.cost-row input{width:100%;min-width:0;border:0;padding:13px 14px;background:transparent;text-align:right;outline:0}.cost-row i b{padding-right:14px;color:#7e8992;font-size:13px}.category-fee-controls{display:grid;grid-template-columns:minmax(0,1fr) 116px;gap:10px;align-items:center}.category-fee-controls select{width:100%;min-height:50px;border:1px solid var(--line-strong);border-radius:14px;padding:0 14px;color:var(--ink);background:#fbfcfd;outline:0}.category-fee-controls select:focus,.category-fee-controls i:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(0,122,95,.11)}
.readonly-row output{justify-self:end;min-width:240px;border:1px solid #ffdccc;border-radius:14px;padding:15px 18px;color:#9a4a25;background:#fff8f4;font-family:Inter,"Noto Sans KR";font-weight:800;text-align:right}.return-row{display:block;border-color:#ffd6c4;background:#fff4ee}.return-main{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:24px;align-items:center}.return-mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.return-mini-grid div{display:grid;gap:7px;border:1px solid #ffdcca;border-radius:16px;padding:16px;background:#fff}.return-mini-grid span{color:#8f5a3f;font-size:12px;font-weight:800}.return-mini-grid strong{color:#9a4a25;font-family:Inter,"Noto Sans KR";font-size:22px}.return-mini-grid small{color:#a47661;font-size:11px;line-height:1.45}.result-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.result-title-row h2{margin:0;font-size:26px}.recalc-btn{border:0;border-radius:12px;padding:11px 15px;color:#fff;background:var(--green-dark);font-size:13px;font-weight:800}.profit-hero-box{display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:18px;align-items:center;margin-top:22px;border-radius:22px;padding:24px;background:linear-gradient(135deg,#eef8f4,#fbfffd);border:1px solid #cce8df}.profit-hero-box span{color:var(--green-dark);font-size:12px;font-weight:800}.profit-hero-box strong{display:block;margin-top:10px;color:var(--green-dark);font-family:Inter,"Noto Sans KR";font-size:42px;line-height:1.05;letter-spacing:0}.profit-hero-box strong.loss{color:var(--red)}.profit-hero-box b{display:block;margin-top:10px;color:#68776f;font-size:12px}.profit-ring{--rate:0%;display:grid;width:108px;height:108px;place-items:center;border-radius:50%;background:conic-gradient(var(--green) var(--rate),#dce9e4 0);position:relative}.profit-ring::after{content:"";position:absolute;inset:12px;border-radius:50%;background:#fff}.profit-ring span{position:relative;z-index:1;color:var(--green-dark);font-family:Inter,"Noto Sans KR";font-size:20px;font-weight:800}.result-cost-list{display:grid;gap:10px;margin-top:18px}.result-cost-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--line);border-radius:14px;padding:13px 15px;background:#fff;color:#59636f;font-size:13px}.result-cost-row strong{font-family:Inter,"Noto Sans KR";font-size:14px}.result-cost-row.plus strong,.result-cost-row.total strong{color:var(--green-dark)}.result-cost-row.loss strong{color:var(--red)}.result-cost-row.total,.result-cost-row.loss{background:#f7fbf9;border-color:#cce8df;font-weight:800}.formula-box{display:grid;gap:10px;margin-top:18px;border-radius:18px;padding:18px;background:#f7faf9;border:1px solid var(--line)}.formula-box strong{font-size:14px}.formula-box p{margin:0;color:#66727a;font-size:12px;line-height:1.55}.formula-box code{white-space:normal;color:#243038;background:transparent;font-family:Inter,"Noto Sans KR";font-size:12px;line-height:1.55}.formula-box b{color:var(--green-dark);font-family:Inter,"Noto Sans KR";font-size:18px}.guidance-box{display:grid;gap:6px;margin-top:18px;border-color:#ffd8c7;background:#fff4ee}.guidance-box p{margin:0;color:#8b5136;font-size:12px;line-height:1.5}
@media(max-width:1120px){.profit-app-shell{grid-template-columns:1fr}.profit-result-card{position:static}.upload-panel{grid-template-columns:1fr}.profit-section-head h1,.profit-section-head h2{font-size:22px}}
@media(max-width:720px){.period-section{width:calc(100% - 24px);padding-top:14px}.profit-input-card,.profit-result-card{border-radius:18px;padding:18px}.upload-dropzone{grid-template-columns:1fr;grid-template-areas:"icon" "title" "desc" "button";justify-items:start}.metric-summary-grid,.return-mini-grid{grid-template-columns:1fr}.cost-row,.return-main,.category-fee-controls{grid-template-columns:1fr;gap:12px}.cost-row i,.readonly-row output,.return-main i{width:100%;min-width:0}.profit-hero-box{grid-template-columns:1fr}.profit-ring{width:96px;height:96px}.profit-hero-box strong{font-size:34px}}

.site-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(1480px,calc(100% - 48px));margin:20px auto 0;padding:14px 18px;border:1px solid rgba(215,225,224,.9);border-radius:18px;background:#fff;box-shadow:0 14px 40px rgba(31,49,58,.06)}
.site-brand{color:var(--green-dark);font-size:15px;font-weight:800;text-decoration:none}
.site-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.site-nav a{border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:#5c6870;background:#fbfcfd;font-size:12px;font-weight:800;text-decoration:none}.site-nav a:hover{border-color:#cbe8dd;color:var(--green-dark);background:var(--green-soft)}
.quality-section{width:min(1480px,calc(100% - 48px));margin:22px auto 0;border:1px solid rgba(215,225,224,.9);border-radius:22px;padding:28px 30px;background:#fff;box-shadow:0 18px 55px rgba(31,49,58,.06)}
.quality-intro{max-width:920px}.quality-intro h2{margin:0 0 10px;font-size:25px;letter-spacing:0}.quality-intro p{margin:0;color:#66727a;font-size:14px;line-height:1.75}.quality-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:20px}.quality-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.quality-grid article{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fbfcfd}.quality-grid h3{margin:0 0 8px;font-size:16px}.quality-grid p{margin:0;color:#66727a;font-size:13px;line-height:1.7}
.quality-section a,.site-footer a{color:var(--green-dark);font-weight:800;text-decoration:none}.quality-section a:hover,.site-footer a:hover{text-decoration:underline}.quality-list{display:grid;gap:10px;margin-top:20px}.quality-list div{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;align-items:start;border:1px solid var(--line);border-radius:14px;padding:15px;background:#fbfcfd}.quality-list strong{color:var(--green-dark);font-size:14px}.quality-list span{color:#66727a;font-size:13px;line-height:1.65}
.contact-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:20px}.contact-form label{display:grid;gap:8px;color:#5d6872;font-size:12px;font-weight:800}.contact-form span{color:var(--green-dark)}.contact-form input,.contact-form select,.contact-form textarea{width:100%;min-width:0;border:1px solid var(--line-strong);border-radius:14px;padding:13px 14px;color:var(--ink);background:#fbfcfd;font:inherit;outline:0}.contact-form textarea{resize:vertical;line-height:1.6}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(0,122,95,.11)}.contact-message{grid-column:1 / -1}.contact-form button{justify-self:start;border:0;border-radius:12px;padding:13px 22px;color:#fff;background:var(--green-dark);font-size:13px;font-weight:800}.contact-form button:hover{background:var(--green)}
@media(max-width:900px){.contact-form{grid-template-columns:1fr}.contact-form button{width:100%}}
.faq-list{display:grid;gap:10px;margin-top:18px}.faq-list details{margin:0;border:1px solid var(--line);border-radius:14px;background:#fbfcfd}.faq-list summary{padding:15px 16px;color:var(--ink);font-size:14px}.faq-list p{margin:0;padding:0 16px 16px;color:#66727a;font-size:13px;line-height:1.7}.site-footer{display:flex;justify-content:space-between;gap:18px;width:min(1480px,calc(100% - 48px));margin:22px auto 30px;padding:18px;color:#7b858d;font-size:12px;line-height:1.5}
@media(max-width:900px){.site-topbar{align-items:flex-start;flex-direction:column}.site-nav{justify-content:flex-start}.quality-grid,.quality-grid.two{grid-template-columns:1fr}.quality-list div{grid-template-columns:1fr;gap:6px}.site-footer{display:grid}.quality-section{padding:22px 18px}.quality-intro h2{font-size:22px}}
@media(max-width:720px){.site-topbar,.quality-section,.site-footer{width:calc(100% - 24px)}.site-nav a{font-size:11px}.quality-intro p,.quality-grid p,.quality-list span,.faq-list p{font-size:12px}}

/* Simplified SaaS calculator layout */
.period-section{padding-top:22px}.profit-app-shell{grid-template-columns:minmax(0,1fr) 390px;gap:32px}.profit-input-card,.profit-result-card{border-radius:24px}.profit-input-card{padding:34px}.profit-section-head{margin-bottom:24px}.sales-heading{margin-top:38px}.cost-heading{margin-top:42px;padding-top:36px}.profit-section-head h1,.profit-section-head h2{font-size:23px}.profit-section-head p{font-size:13px;color:#6d7780}
.upload-panel{grid-template-columns:minmax(0,1fr) 230px;gap:14px}.upload-dropzone{min-height:116px;padding:20px 22px;border-radius:18px}.upload-icon{width:46px;height:46px;border-radius:15px;font-size:24px}.upload-dropzone strong{font-size:17px}.upload-dropzone b{padding:10px 15px;border-radius:10px}.upload-file-card{min-height:116px;padding:18px;border-radius:16px}.upload-complete-bar{margin-top:12px;padding:11px 14px;border-radius:14px}.report-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.report-metrics div{min-height:92px;padding:17px;border-radius:16px}.report-metrics strong{font-size:24px}.report-metrics span{font-size:11px}
.sales-analysis-grid{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);gap:18px;align-items:stretch}.total-sales-card{display:grid;gap:13px;border:1px solid #cce8df;border-radius:20px;padding:24px;background:#fbfffd}.total-sales-card>span,.auto-result-card span{color:#627078;font-size:12px;font-weight:800}.total-sales-card i{display:flex;align-items:center;min-height:58px;border:1px solid #bddfd4;border-radius:16px;background:#fff;font-style:normal}.total-sales-card input{width:100%;min-width:0;border:0;padding:12px 14px;color:var(--green-dark);background:transparent;font-family:Inter,"Noto Sans KR";font-size:30px;font-weight:800;text-align:right;outline:0}.total-sales-card b{padding-right:15px;color:#64736d;font-size:14px}.total-sales-card small{color:#994b25;font-size:13px;font-weight:800;line-height:1.5}.auto-result-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.auto-result-card{display:grid;align-content:center;gap:10px;min-height:148px;border:1px solid #d7ebe4;border-radius:20px;padding:22px;background:#f5fbf8}.auto-result-card strong{color:var(--green-dark);font-family:Inter,"Noto Sans KR";font-size:32px;line-height:1}.auto-result-card small{color:#7d8a84;font-size:12px;line-height:1.45}
.compact-cost-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.compact-cost-grid .cost-row{grid-template-columns:1fr;gap:12px;align-content:start;min-height:138px;padding:18px;border-radius:18px}.compact-cost-grid .cost-row span strong{font-size:14px}.compact-cost-grid .cost-row span small{font-size:11px}.compact-cost-grid .cost-row i,.compact-cost-grid .category-fee-controls select{min-height:44px;border-radius:12px}.compact-cost-grid .cost-row input{padding:10px 12px}.compact-cost-grid .category-fee-row{grid-column:auto}.compact-cost-grid .category-fee-controls{grid-template-columns:minmax(0,1fr) 112px}.fee-rate-box{position:relative;background:#f4faf7!important}.fee-rate-box em{position:absolute;left:10px;top:-9px;border:1px solid #cce8df;border-radius:999px;padding:2px 7px;color:var(--green-dark);background:#fff;font-size:9px;font-style:normal;font-weight:800}.fee-rate-box input{color:var(--green-dark);font-weight:800}
.profit-result-card{padding:30px}.result-title-row{margin-bottom:18px}.profit-hero-box{margin-top:0;padding:24px;border-radius:22px}.profit-hero-box strong{font-size:40px}.profit-hero-box strong.loss{color:var(--red)}.result-cost-list{gap:16px;margin-top:20px}.breakdown-section{display:grid;gap:8px;border-top:1px solid var(--line);padding-top:16px}.breakdown-section:first-child{border-top:0;padding-top:0}.breakdown-section h3{margin:0 0 2px;color:#89939b;font-size:11px;font-weight:800;letter-spacing:0;text-transform:uppercase}.result-cost-row{border:0;border-radius:0;padding:7px 0;background:transparent}.result-cost-row.subtotal{margin-top:4px;border-top:1px dashed #dde5e2;padding-top:11px;font-weight:800}.result-cost-row.info strong{color:#8a9690}.result-cost-row.total,.result-cost-row.loss{border-radius:14px;padding:13px 14px}.formula-box{gap:14px;border-radius:18px;padding:18px;background:#fbfcfd}.formula-box>p,.formula-box code{display:none}.formula-steps{display:grid;gap:13px}.formula-steps div{display:grid;gap:5px}.formula-steps span{color:#7b858d;font-size:12px;font-weight:800}.formula-steps p{margin:0;color:#5d6872;font-size:13px;line-height:1.75}.formula-steps b{color:var(--green-dark);font-size:14px}.formula-box>b{font-size:20px}.guidance-box{border-color:#d8ece4;background:#f7fcfa;color:#61716a}.guidance-box p{display:flex;gap:8px;align-items:flex-start;color:#61716a}.guidance-box p span{color:var(--green);font-weight:800}
@media(max-width:1120px){.profit-app-shell{grid-template-columns:1fr}.profit-result-card{position:static}.sales-analysis-grid{grid-template-columns:1fr}.compact-cost-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.profit-input-card,.profit-result-card{padding:20px}.report-metrics,.auto-result-stack,.compact-cost-grid{grid-template-columns:1fr}.sales-analysis-grid{gap:12px}.total-sales-card input{font-size:26px}.auto-result-card{min-height:auto}.compact-cost-grid .category-fee-controls{grid-template-columns:1fr}.upload-panel{grid-template-columns:1fr}}

/* Polish pass: balanced SaaS dashboard */
.profit-app-shell{grid-template-columns:minmax(0,65fr) minmax(430px,35fr);gap:34px}.profit-input-card{padding:32px 34px}.profit-result-card{padding:32px;min-width:0}.profit-section-head{margin-bottom:22px}.sales-heading{margin-top:36px}.cost-heading{margin-top:38px;padding-top:34px}.profit-section-head h2{font-size:22px}.profit-section-head p{max-width:560px;color:#6f7a82}
.upload-dropzone,.upload-file-card{min-height:108px}.upload-dropzone{padding:18px 20px}.upload-file-card{padding:17px 18px}.upload-file-card strong{display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:15px;line-height:1.35}.upload-complete-bar{min-height:40px;padding:9px 13px;font-size:12px}
.sales-analysis-grid{grid-template-columns:minmax(270px,.95fr) minmax(0,1.05fr);gap:16px}.total-sales-card{padding:22px}.total-sales-card i{min-height:56px}.total-sales-card input{font-size:31px}.auto-result-stack{gap:14px}.auto-result-card{position:relative;min-height:142px;padding:22px;border-radius:20px}.auto-result-card span{display:flex;align-items:center;gap:7px}.auto-result-card span b{border-radius:999px;padding:3px 7px;color:#00644f;background:#dff2ea;font-size:10px;line-height:1;font-weight:800}.auto-result-card strong{font-size:34px}.organic-card{border-color:#cfe9df;background:#f2fbf7}.return-card{border-color:#f1dfd5;background:#fff8f3}.return-card span b{color:#8a4a2c;background:#ffe8dc}.return-card strong{color:#8a4a2c}
.compact-cost-grid{gap:12px 14px}.compact-cost-grid .cost-row{min-height:122px;gap:9px;padding:15px 16px}.compact-cost-grid .cost-row span{gap:3px}.compact-cost-grid .cost-row span strong{font-size:14px}.compact-cost-grid .cost-row span small{font-size:11px;line-height:1.35}.compact-cost-grid .cost-row i,.compact-cost-grid .category-fee-controls select{min-height:42px}.compact-cost-grid .cost-row input{padding:9px 11px}.compact-cost-grid .category-fee-controls{grid-template-columns:minmax(0,1fr) 118px}.fee-rate-box{border-color:#cfe8df!important}.fee-rate-box em{top:-10px;left:9px;padding:3px 8px;font-size:10px;box-shadow:0 4px 10px rgba(31,49,58,.06)}.fee-rate-box input{font-weight:900;pointer-events:none}
.profit-hero-box{padding:28px 26px}.profit-hero-box strong{font-size:48px;letter-spacing:0}.profit-hero-box b{font-size:13px}.result-cost-list{gap:20px;margin-top:24px}.breakdown-section{gap:10px;padding-top:18px}.breakdown-section h3{font-size:12px;color:#6f7a82}.result-cost-row{padding:8px 0;font-size:13px}.result-cost-row strong{font-size:15px}.result-cost-row.subtotal{margin-top:6px;padding:12px 0 2px}.result-cost-row.subtotal span,.result-cost-row.subtotal strong{font-size:15px;font-weight:900;color:var(--ink)}.result-cost-row.total,.result-cost-row.loss{margin-top:4px;padding:15px 16px}.result-cost-row.total span,.result-cost-row.loss span{font-size:14px}.result-cost-row.total strong,.result-cost-row.loss strong{font-size:18px}.formula-box{margin-top:22px;padding:22px;gap:16px}.formula-box>strong{font-size:15px}.formula-steps{gap:16px}.formula-steps p{font-size:13px;line-height:1.9}.formula-steps b{display:inline-block;margin-top:2px;font-size:15px}.formula-box>b{font-size:22px}.guidance-box{padding:16px 17px;gap:9px}.guidance-box p{font-size:12px;line-height:1.55}.guidance-box p span{font-size:13px}
@media(max-width:1180px){.profit-app-shell{grid-template-columns:1fr}.profit-result-card{position:static}.sales-analysis-grid{grid-template-columns:1fr}}
@media(max-width:720px){.profit-hero-box strong{font-size:38px}.compact-cost-grid .cost-row{min-height:auto}.upload-dropzone,.upload-file-card{min-height:auto}.auto-result-card strong{font-size:30px}}

.answer-grid,.example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:20px}
.answer-grid article,.example-grid article{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fbfcfd}
.answer-grid h3,.example-grid h3{margin:0 0 9px;font-size:16px}
.answer-grid p,.example-grid p{margin:0;color:#66727a;font-size:13px;line-height:1.75}
.example-grid ul{display:grid;gap:7px;margin:0;padding-left:18px;color:#66727a;font-size:13px;line-height:1.65}
.example-result{border-color:#cce8df!important;background:var(--green-soft)!important}
.example-result p{color:#536a61!important;font-weight:600}
.formula-list{margin-top:16px}
@media(max-width:900px){.answer-grid,.example-grid{grid-template-columns:1fr}.example-grid ul{font-size:12px}}