:root{color-scheme:light;--ink:#192d3b;--muted:#637583;--line:#dfe6e9;--teal:#087e78;--bg:#f3f6f7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI","Malgun Gothic",sans-serif;font-size:15px;line-height:1.6}.container{max-width:1100px;margin:auto;padding:44px 28px 24px}.brand{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:750;letter-spacing:1.2px}.brand-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--ink);color:white;font-size:19px}.badge{letter-spacing:0;font-size:11px;padding:2px 8px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}h1{font-size:34px;letter-spacing:-1.6px;line-height:1.35;margin:24px 0 12px}.mobile-break{display:none}.intro{color:var(--muted);margin:0 0 24px}.notice{display:flex;gap:14px;padding:15px 18px;margin:0 0 24px;background:#fff8e9;border:1px solid #efdfb7;border-radius:10px;color:#795b21;font-size:13px}.notice strong{white-space:nowrap}.workspace{display:grid;grid-template-columns:1.08fr 1fr;gap:24px;align-items:start}.panel{padding:28px;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:0 4px 16px #20343c04}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading h2{font-size:19px;margin:0;letter-spacing:-.6px}.section-heading>span{font-size:12px;color:var(--muted)}.section-description{font-size:12px;color:var(--muted);margin:7px 0 23px}.field{margin-bottom:17px;min-width:0}label{display:block;font-size:13px;font-weight:650;margin-bottom:7px}.input-wrap{display:flex;align-items:center;border:1px solid #ccd7dd;border-radius:9px;background:#fff;overflow:hidden;transition:border-color .15s,box-shadow .15s}.input-wrap:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #087e7818}.input-wrap:has([aria-invalid="true"]){border-color:#b53e3e;background:#fff7f7}input{font:inherit;font-size:18px;font-weight:600;font-variant-numeric:tabular-nums;text-align:right;color:var(--ink);width:100%;min-width:0;padding:11px 10px 11px 12px;border:0;outline:0;background:transparent}input::placeholder{color:#9ba8b0;font-weight:400}.input-wrap>span{color:var(--muted);font-size:13px;padding-right:14px;flex-shrink:0}small{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:5px}.featured .input-wrap{background:#f4faf9}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.actions{display:flex;gap:9px;margin-top:8px}button{font:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:9px 15px;background:#eef7f6;border:1px solid #c9e1de;color:#146c67;border-radius:8px}button:hover{background:#e1f0ee}button.secondary{background:white;color:var(--muted);border-color:var(--line)}button:focus-visible,summary:focus-visible{outline:3px solid #087e7880;outline-offset:3px}.error{font-size:12px;color:#af3030;margin:0 0 12px}.error:empty{display:none}.live::before{content:"";display:inline-block;width:6px;height:6px;background:var(--teal);border-radius:50%;margin-right:6px}.profit-card{margin-top:23px;padding:24px;border-radius:12px;background:#eaf6f2;color:#12645b}.profit-top{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;font-weight:600}.status{font-size:11px;border:1px solid currentColor;border-radius:20px;padding:1px 9px}.profit-value{font-size:38px;font-weight:750;letter-spacing:-1.2px;line-height:1.3;margin:18px 0 22px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.margin-line{display:flex;justify-content:space-between;border-top:1px solid #12645b25;padding-top:14px;font-size:13px}.margin-line strong{font-size:18px}.profit-card.loss{background:#fff0ee;color:#b24337}.profit-card.neutral{background:#eef2f5;color:#536877}.metrics{margin:12px 0 0}.metrics>div{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid #edf0f2}.metrics dt{font-size:13px;color:var(--muted)}.metrics dd{margin:0;font-weight:700;font-size:19px;text-align:right;overflow-wrap:anywhere;min-width:0;font-variant-numeric:tabular-nums}.break-even{margin-top:22px;padding:18px;background:#f7f9fa;border:1px solid var(--line);border-radius:10px}.break-even>span{display:block;font-size:13px;color:var(--muted)}.break-even strong{display:block;font-size:25px;margin-top:3px;overflow-wrap:anywhere}.break-even p,.result-note{font-size:11px;color:var(--muted);margin:8px 0 0}.result-note{margin-top:18px;line-height:1.8}.formula{margin-top:24px;padding:18px 22px;border:1px solid var(--line);border-radius:12px;font-size:12px;color:var(--muted);background:#ffffff80}.formula summary{cursor:pointer;font-size:13px;font-weight:650;color:var(--ink)}.formula ul{padding-left:20px;line-height:2}.formula p{margin-bottom:0}footer{display:flex;justify-content:space-between;gap:15px;padding:24px 0 0;color:var(--muted);font-size:10px;letter-spacing:.5px}footer span{letter-spacing:0}@media(max-width:760px){.container{padding:26px 18px 20px}.workspace{grid-template-columns:1fr;gap:18px}h1{font-size:29px}.notice{flex-direction:column;gap:4px}.panel{padding:22px}.profit-value{font-size:36px}footer{flex-direction:column;gap:5px}}@media(max-width:380px){.mobile-break{display:block}.field-grid{grid-template-columns:1fr}.container{padding-left:12px;padding-right:12px}.panel{padding:18px}.metrics dd{font-size:16px}}

/* Advanced tax UI only; existing calculator styles remain unchanged. */
.tax-notice{align-items:center;justify-content:space-between}
.notice-copy{display:flex;gap:14px;align-items:flex-start;min-width:0}
.tax-notice button{flex-shrink:0;white-space:nowrap;background:#fffcf5;border-color:#dfc98f;color:#795b21}
.tax-notice button:hover{background:#fff1ce}
.tax-notice button span{display:inline-block;margin-left:6px;transition:transform .18s}
.tax-notice button[aria-expanded="true"] span{transform:rotate(180deg)}
.tax-advanced{margin-bottom:24px}
.tax-advanced[hidden]{display:none}
.tax-advanced:not([hidden]){animation:tax-reveal .2s ease-out}
.tax-business-field{max-width:360px}
.tax-business-field select{width:100%;min-height:46px;padding:10px 12px;border:1px solid #ccd7dd;border-radius:9px;background:#fff;color:var(--ink);font:inherit;font-size:14px}
.tax-business-field select:focus-visible{outline:3px solid #087e7830;outline-offset:2px;border-color:var(--teal)}
@keyframes tax-reveal{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:760px){.tax-notice{align-items:stretch;gap:12px}.notice-copy{flex-direction:column;gap:4px}.tax-notice button{align-self:flex-start}.tax-business-field{max-width:none}}
@media(prefers-reduced-motion:reduce){.tax-advanced:not([hidden]){animation:none}.tax-notice button span{transition:none}}

/* Tax controls and results: scoped to advanced mode. */
.tax-advanced [hidden],.tax-results [hidden],.tax-results[hidden]{display:none!important}
.tax-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px}
.tax-field{min-width:0;max-width:520px}
.tax-advanced>.tax-field{max-width:360px}
.tax-field select{width:100%;min-height:46px;border:1px solid #ccd7dd;border-radius:9px;background:white;color:var(--ink);font:inherit;font-size:14px;padding:10px 12px}
.tax-field select:focus-visible{outline:3px solid #087e7830;outline-offset:2px;border-color:var(--teal)}
.help-label{display:flex;align-items:center;gap:7px;margin-bottom:7px;font-size:13px;font-weight:650;min-width:0}
.help-label label{margin:0}.help-label h2{margin:0}
.help-toggle{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:32px;min-width:32px;min-height:32px;margin-inline:-7px;padding:7px;border:0;border-radius:0;background:transparent;box-shadow:none;color:#276f69;font-size:18px;line-height:1;font-weight:400}
.help-toggle:hover,.help-toggle:active,.help-toggle[aria-expanded="true"]{background:transparent;border:0;box-shadow:none;color:var(--teal)}
.help-toggle:focus-visible{outline:2px solid var(--teal);outline-offset:1px}
.tax-vat-info{font-size:12px;font-weight:400;color:var(--muted)}
.tax-rate-guide{margin:10px 0 0;font-size:12px;line-height:1.8;color:var(--muted)}
.tax-rate-guide>span{display:block;margin-bottom:3px;font-weight:500}
.help-content{font-size:12px;line-height:1.8;color:#496760;background:#f0f7f4;border-left:3px solid #95bcb0;padding:10px 12px;margin:8px 0;overflow-wrap:anywhere}
.tax-caption{font-size:12px;color:var(--muted);line-height:1.8;margin:8px 0 0}
.tax-advanced .error{margin-top:12px}
.tax-badge{display:inline-block;border-radius:20px;border:1px solid #d6e4df;background:#f2f7f5;color:#416658;font-size:11px;font-weight:500;padding:2px 8px;line-height:1.6}
.tax-results{margin-top:24px}.tax-results .section-heading{flex-wrap:wrap}
.tax-metrics dt{flex:1;min-width:0}.tax-metrics dd{flex:1;min-width:0;max-width:55%}
.tax-metrics .tax-badge{margin:4px 0 0 5px}.tax-metrics .tax-final{background:#eef7f3;padding:18px 14px;margin-top:12px;border:0;border-radius:9px}
.tax-metrics .tax-final dd{font-size:25px;color:#146c60}
.tax-state-note{font-size:13px;color:#795b21;margin:16px 0 0}
.tax-disclaimer{font-size:12px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin:20px 0 0}
@media(max-width:760px){.tax-fields{grid-template-columns:1fr;gap:16px}.tax-field,.tax-advanced>.tax-field{max-width:none}.tax-metrics>div{align-items:flex-start}.tax-metrics dd{font-size:17px}.tax-metrics .tax-final dd{font-size:21px}.help-toggle{min-height:36px}.tax-metrics .tax-badge{display:table;margin-left:0}}
@media(max-width:400px){.tax-metrics>div{flex-direction:column;gap:7px}.tax-metrics dd{align-self:flex-end;max-width:100%}.tax-results .section-heading{gap:6px}}

/* Result scope and status: reuse the basic profit card palette. */
.auto-calculate-note,.result-tax-note{font-size:13px;line-height:1.8}
.profit-top .status{flex-shrink:0}
.tax-metrics .tax-final{background:#eaf6f2;color:#12645b}
.tax-metrics .tax-final.loss{background:#fff0ee;color:#b24337}
.tax-metrics .tax-final.neutral{background:#eef2f5;color:#536877}
.tax-metrics .tax-final dt,.tax-metrics .tax-final dd{color:inherit}
.tax-final .status{display:table;margin-top:8px}

/* Shared navigation: links wrap naturally as more tools are added. */
.tool-nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;font-size:13px}
.tool-nav a{color:var(--muted);text-underline-offset:4px;padding:8px 0}
.tool-nav a[aria-current="page"]{color:var(--teal);font-weight:700}
.tool-nav a:focus-visible{outline:3px solid #087e7880;outline-offset:3px}

/* Shared directory of free seller tools. */
.tool-nav a{max-width:100%;min-width:0;overflow-wrap:anywhere}
.tool-nav a[aria-current="page"]{text-decoration:underline;text-decoration-thickness:2px}
.seller-tools{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.seller-tools h2{margin:0;font-size:18px;letter-spacing:-.5px}
.seller-tools-intro{margin:6px 0 14px;font-size:13px;color:var(--muted)}
.seller-tools-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.seller-tool-card{display:block;min-width:0;padding:16px;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--ink);text-decoration:none;overflow-wrap:anywhere}
.seller-tool-card:hover{border-color:#95bcb0;background:#f7fbfa}
.seller-tool-card[aria-current="page"]{border-color:#95bcb0;background:#eef7f6}
.seller-tool-card:focus-visible{outline:3px solid #087e7880;outline-offset:3px}
.seller-tool-heading{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:14px}
.seller-tool-current{font-size:11px;color:var(--teal);border:1px solid #c9e1de;border-radius:20px;padding:1px 7px}
.seller-tool-description{display:block;margin-top:7px;font-size:12px;line-height:1.7;color:var(--muted)}
@media(max-width:760px){.seller-tools-grid{grid-template-columns:minmax(0,1fr)}}