:root{--orange:#f46a00;--ink:#111;--soft:#f4f4f1;--line:#d7d7d2;--muted:#6f706d;--danger:#b42318}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"IBM Plex Sans Thai",sans-serif}
button,input,select{font:inherit}
.payroll-intro{max-width:1240px;margin:0 auto;padding:82px 28px 56px;display:grid;grid-template-columns:1fr 1fr;gap:28px 80px;align-items:end}
.back-link{grid-column:1/-1;color:var(--muted);font-weight:600;text-decoration:none}.back-link:hover{color:var(--orange)}
.eyebrow{margin:0 0 15px;color:var(--orange);font:700 .76rem Manrope,sans-serif;letter-spacing:.18em}
.payroll-intro h1{margin:0;font-size:clamp(3.1rem,6vw,6.4rem);line-height:.91;letter-spacing:-.04em}.payroll-intro h1 em{color:var(--orange);font-style:normal}
.intro-copy>p{max-width:590px;margin:0 0 25px;font-size:1.2rem;line-height:1.75;color:#4f504d}
.privacy-note{display:flex;gap:16px;padding:17px 19px;border-left:4px solid var(--orange);background:var(--soft)}.privacy-note b{white-space:nowrap}.privacy-note span{color:var(--muted)}
.payroll-workspace{max-width:1240px;margin:0 auto;padding:0 28px 72px;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.72fr);gap:28px;align-items:start}
#payroll-form{min-width:0;border:1px solid var(--line);background:#fff}
.form-step{display:grid;grid-template-columns:52px 1fr;gap:22px;padding:34px;border-bottom:1px solid var(--line)}
.step-no{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;font:700 1rem Manrope}
.step-body{min-width:0}.step-body h2{margin:0;font-size:1.65rem;line-height:1.2}.step-body>p{margin:6px 0 24px;color:var(--muted);line-height:1.55}
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 22px}.field.wide,.check-field.wide{grid-column:1/-1}
.field{display:flex;min-width:0;flex-direction:column;gap:7px}.field>span{font-weight:650}.field>span i{color:var(--orange);font-style:normal}.field>span small{font-weight:400;color:var(--muted)}
.field input,.field select{width:100%;height:54px;padding:0 15px;border:1px solid #bdbeba;border-radius:0;background:#fff;color:var(--ink);font-size:1rem;outline:none}.field input:focus,.field select:focus{border-color:var(--orange);box-shadow:0 0 0 2px #f46a001a}.field input.invalid{border-color:var(--danger)}
.field>small{color:var(--muted);line-height:1.4}.field-error{display:none;color:var(--danger)!important}.field input.invalid~.field-error,.field input.invalid+.field-error{display:block}
.money-input{position:relative}.money-input input{padding-right:58px}.money-input i{position:absolute;right:15px;top:50%;transform:translateY(-50%);font-style:normal;color:var(--muted)}
.auto-items{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}.auto-items span{display:flex;flex-direction:column;padding:15px 17px;background:var(--soft)}.auto-items small{color:var(--muted)}
.check-field{display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--line)}.check-field input{width:21px;height:21px;accent-color:var(--orange)}.check-field span{display:flex;flex-direction:column}.check-field small{color:var(--muted)}
.deduction-help{margin-top:24px;border-top:1px solid var(--line)}.deduction-help summary{display:flex;justify-content:space-between;padding:20px 0 0;font-weight:700;cursor:pointer}.deduction-help summary::marker{content:""}.deduction-help summary span{color:var(--orange);font-size:1.4rem}.deduction-help[open] summary span{transform:rotate(45deg)}.deduction-help ul{margin:14px 0 0;padding-left:22px;color:#555;line-height:1.75}
.form-error{min-height:22px;margin:20px 34px 0;color:var(--danger);font-weight:600}.form-actions{display:flex;justify-content:flex-end;gap:12px;padding:20px 34px 34px}.form-actions button,.export-actions button{min-height:50px;padding:0 20px;border:1px solid var(--ink);font-weight:700;cursor:pointer}.primary-button{background:var(--orange);border-color:var(--orange)!important;color:#fff}.secondary-button{background:#fff;color:var(--ink)}
.result-panel{position:sticky;top:96px;padding:32px;background:var(--ink);color:#fff}.result-kicker{margin:0;color:#c3c3bd}.result-panel>strong{display:block;margin:8px 0 0;color:var(--orange);font:700 clamp(2.9rem,5.5vw,5rem)/1 Manrope,sans-serif;letter-spacing:-.05em}.result-panel>small{display:block;min-height:42px;margin-top:10px;color:#c4c5c1;line-height:1.5}
.result-list{margin:22px 0 0}.result-list div{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-top:1px solid #ffffff26}.result-list dt{color:#c4c5c1}.result-list dd{margin:0;text-align:right;font-weight:700}
.result-warning{margin:20px 0;padding:17px;background:#fff;color:var(--ink);border-left:4px solid var(--orange)}.result-warning p{margin:4px 0 0;color:#555;line-height:1.5;font-size:.92rem}
.export-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.export-actions button{background:transparent;border-color:#ffffff60;color:#fff}.export-actions button:not(:disabled):hover{background:#fff;color:var(--ink)}.export-actions button:disabled{opacity:.35;cursor:not-allowed}
.page-note{max-width:1184px;margin:0 auto 82px;padding:25px 28px;border-left:5px solid var(--orange);background:var(--soft)}.page-note b{font-size:1.2rem}.page-note p{margin:5px 0 0;color:#565754;line-height:1.65}
#print-container{display:none}.summary-document{width:190mm;min-height:277mm;margin:0 auto;padding:10mm;background:#fff;color:#000;font-family:"IBM Plex Sans Thai",sans-serif}.summary-header{display:flex;justify-content:space-between;gap:14mm;padding-bottom:5mm;border-bottom:2px solid #000}.summary-header small{font:700 8pt Manrope;letter-spacing:.16em}.summary-header h2{margin:2mm 0 0;font-size:20pt}.summary-header p{margin:0;font-size:9pt}.summary-meta{min-width:49mm;display:grid;align-content:start;gap:2mm;font-size:9pt}.summary-meta span{display:flex;justify-content:space-between;border-bottom:1px dotted #777}
.summary-document section{margin-top:5mm}.summary-document h3{margin:0 0 2mm;padding-bottom:1.5mm;border-bottom:1px solid #000;font-size:11pt}.summary-person>div,.summary-numbers{display:grid;grid-template-columns:1fr 1fr;gap:2mm 8mm}.summary-person p,.summary-numbers p{display:flex;justify-content:space-between;gap:5mm;margin:0;padding:1.5mm 0;border-bottom:1px dotted #999;font-size:9pt}.summary-person p.wide{grid-column:1/-1}.summary-person span,.summary-numbers span{color:#333}.summary-numbers .highlight{font-size:10.5pt;font-weight:700;border-bottom:2px solid #000}
.summary-document table{width:100%;border-collapse:collapse;font-size:9pt}.summary-document th,.summary-document td{padding:2mm 3mm;border:1px solid #000}.summary-document th:last-child,.summary-document td:last-child{width:42mm;text-align:right}.summary-document tfoot{font-weight:700}
.summary-confirm{padding:4mm;border:1px solid #000;font-size:8.5pt}.summary-confirm p{margin:0 0 5mm}.summary-confirm div{display:flex;justify-content:space-between;gap:10mm}.summary-footer{margin-top:4mm;font-size:7.5pt;line-height:1.45}
@media(max-width:980px){.payroll-workspace{grid-template-columns:1fr}.result-panel{position:static}.payroll-intro{grid-template-columns:1fr;gap:25px}.privacy-note{max-width:650px}}
@media(max-width:640px){.payroll-intro{padding:52px 20px 36px}.payroll-intro h1{font-size:3.25rem}.intro-copy>p{font-size:1.04rem}.privacy-note{display:block}.privacy-note span{display:block;margin-top:3px}.payroll-workspace{padding:0 16px 52px}.form-step{grid-template-columns:1fr;padding:25px 20px;gap:14px}.field-grid,.auto-items{grid-template-columns:1fr}.field.wide,.check-field.wide{grid-column:auto}.form-actions{display:grid;padding:18px 20px 25px}.primary-button{grid-row:1}.result-panel{padding:25px 20px}.export-actions{grid-template-columns:1fr}.page-note{margin:0 16px 55px}.summary-person>div,.summary-numbers{grid-template-columns:1fr}}
@media print{@page{size:A4 portrait;margin:0}html,body{width:210mm;height:auto;background:#fff}.no-print,body>header,body>footer{display:none!important}main{display:block!important}#print-container{display:block!important;width:210mm;margin:0;padding:0}.summary-document{width:210mm;min-height:0;margin:0;padding:12mm 13mm;page-break-after:avoid;break-after:avoid}.summary-document section,.summary-document table,.summary-confirm{break-inside:avoid;page-break-inside:avoid}}