/* Minimal calculator extensions — 2026-08-19 */
.calculator .net-advanced{width:100%;margin:18px 0 4px;border:0!important;border-top:1px solid rgba(21,111,78,.18)!important;border-bottom:1px solid rgba(21,111,78,.12)!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;overflow:visible}
.calculator .net-advanced>summary{min-height:50px;padding:14px 2px!important;display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;list-style:none;background:transparent!important;border:0!important;color:var(--ink,#17201b)}
.calculator .net-advanced>summary::-webkit-details-marker{display:none}
.calculator .net-advanced>summary span{font-size:13px;font-weight:800;letter-spacing:-.01em}
.calculator .net-advanced>summary small{margin-left:auto;color:var(--muted,#68736d);font-size:11px;font-weight:500;text-align:right}
.calculator .net-advanced>summary:after{content:'+';width:26px;height:26px;display:grid;place-items:center;flex:0 0 26px;border-radius:50%;background:rgba(21,111,78,.08);color:var(--accent,#156f4e);font-size:16px;font-weight:500}
.calculator .net-advanced[open]>summary:after{content:'−'}
.calculator .net-advanced .net-advanced-body{padding:16px 2px 18px!important;border:0!important;background:transparent!important}
.pro-section{margin-top:16px;padding-top:16px;border-top:1px solid rgba(21,111,78,.12)}
.pro-section:first-child{margin-top:0;padding-top:0;border-top:0}
.pro-section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 13px;font-size:13px;font-weight:800;color:var(--ink,#17201b)}
.pro-badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 7px;background:rgba(21,111,78,.08);color:var(--accent,#156f4e);font-size:9px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.pro-help{display:block;margin-top:6px;color:var(--muted,#68736d);font-size:11px;line-height:1.5}
.pro-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.pro-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.pro-check{display:flex;align-items:flex-start;gap:10px;padding:9px 2px;border:0!important;border-radius:0!important;background:transparent!important;font-size:12px;line-height:1.45;cursor:pointer}
.pro-check input{width:18px;height:18px;flex:0 0 auto;margin:0;accent-color:var(--accent,#156f4e)}
.pro-callout{margin-top:12px;padding:10px 12px;border:0;border-left:2px solid rgba(21,111,78,.38);border-radius:0;background:transparent;color:var(--muted,#68736d);font-size:11px;line-height:1.55}
.pro-callout strong{display:block;margin-bottom:2px;color:var(--ink,#17201b)}
.pro-hidden{display:none!important}
@media(max-width:700px){.pro-grid,.pro-grid-3{grid-template-columns:1fr}.calculator .net-advanced>summary{gap:10px}.calculator .net-advanced>summary small{display:none}.calculator .net-advanced .net-advanced-body{padding-top:13px!important}}
html[data-theme="dark"] .calculator .net-advanced,body.dark .calculator .net-advanced{border-color:rgba(70,215,173,.18)!important}
html[data-theme="dark"] .calculator .net-advanced>summary:after,body.dark .calculator .net-advanced>summary:after{background:rgba(70,215,173,.09);color:#46d7ad}