/* SuperToolZone Universal UI Framework v2.0 */
:root{
 --stz-bg:#f7f5ee;--stz-surface:#fff;--stz-surface-2:#fbfcfa;--stz-text:#17231d;--stz-muted:#63716a;
 --stz-green:#126b4e;--stz-green-2:#0b513b;--stz-green-soft:#eaf6ef;--stz-blue:#2563eb;--stz-gold:#d99a24;
 --stz-line:#dce4df;--stz-danger:#b42318;--stz-radius:16px;--stz-radius-sm:11px;
 --stz-shadow:0 8px 30px rgba(19,46,35,.08);--stz-shadow-sm:0 2px 10px rgba(19,46,35,.06);
 --stz-space-1:.375rem;--stz-space-2:.625rem;--stz-space-3:.875rem;--stz-space-4:1.125rem;--stz-space-5:1.5rem;--stz-space-6:2rem;
 --stz-control:46px;--stz-max:1240px;
}
*{box-sizing:border-box}html{overflow-x:hidden;scroll-behavior:smooth}body{overflow-x:hidden;background:var(--stz-bg);color:var(--stz-text)}
img,svg,canvas,video{max-width:100%;height:auto}a,button,input,select,textarea{font:inherit}p,li,label,span,strong,small,a,h1,h2,h3,h4{overflow-wrap:anywhere;word-break:normal}
.wrap{width:min(var(--stz-max),calc(100% - 32px));margin-inline:auto}.hero .wrap{padding-block:24px 18px}.hero h1{font-size:clamp(1.85rem,3vw,2.65rem);line-height:1.08;margin:.45rem 0 .6rem}.hero p{max-width:760px;line-height:1.65}
.stz-tool-layout{width:min(var(--stz-max),calc(100% - 32px));margin:0 auto 36px;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;align-items:start}.stz-tool-main,.stz-tool-sidebar,.content-card,.tool-form{min-width:0}
.content-card{padding:clamp(16px,2.2vw,28px);border-radius:var(--stz-radius);box-shadow:var(--stz-shadow-sm)}
.stz-advanced-calculator{container-type:inline-size;background:transparent!important;border:0!important;padding:0!important;margin-top:18px!important}
.stz-calc-workspace{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:18px;align-items:start}
.stz-input-panel,.stz-output-panel,.stz-analysis,.stz-utility-bar,.stz-v2-quick-actions{background:var(--stz-surface);border:1px solid var(--stz-line);border-radius:var(--stz-radius);box-shadow:var(--stz-shadow-sm);min-width:0}
.stz-input-panel,.stz-output-panel{padding:clamp(15px,2vw,22px)}
.stz-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.stz-panel-head h3{margin:3px 0 0;font-size:clamp(1.15rem,2vw,1.45rem)}.stz-kicker{font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--stz-green)}
.stz-calc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}.stz-calc-grid label{display:grid;gap:7px;min-width:0;color:var(--stz-text);font-weight:700;font-size:.9rem}.stz-calc-grid input,.stz-calc-grid select{width:100%;min-width:0;height:var(--stz-control);padding:0 12px;border:1px solid #cfd9d3;border-radius:10px;background:#fff;color:var(--stz-text);transition:border-color .18s,box-shadow .18s}.stz-calc-grid input:focus,.stz-calc-grid select:focus{outline:0;border-color:var(--stz-green);box-shadow:0 0 0 3px rgba(18,107,78,.12)}.stz-calc-grid [aria-invalid=true]{border-color:var(--stz-danger);box-shadow:0 0 0 3px rgba(180,35,24,.10)}
.stz-calc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.stz-calc-actions button,.stz-utility-bar button,.stz-print-link,.stz-v2-action{min-height:44px;border-radius:10px;border:1px solid transparent;padding:10px 16px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:normal;text-align:center}.stz-calc-actions button:first-child{background:var(--stz-green);color:#fff;min-width:150px}.stz-calc-actions .secondary,.stz-print-link,.stz-utility-bar button,.stz-v2-action{background:#fff;color:var(--stz-text);border-color:var(--stz-line)}.stz-calc-actions button:hover,.stz-utility-bar button:hover,.stz-v2-action:hover{transform:translateY(-1px);box-shadow:var(--stz-shadow-sm)}
.stz-calc-error{margin-top:12px;padding:11px 13px;border-radius:10px;background:#fff1f0;color:var(--stz-danger);font-weight:700}
.stz-output-panel{position:sticky;top:82px}.stz-primary-result{background:linear-gradient(135deg,var(--stz-green),var(--stz-green-2));color:#fff;border-radius:13px;padding:18px;margin-bottom:10px;display:grid;gap:4px;min-width:0}.stz-primary-result span{opacity:.9;font-size:.85rem;font-weight:700}.stz-primary-result strong{font-size:clamp(1.75rem,4vw,2.65rem);line-height:1.08;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.stz-calc-results{display:grid;grid-template-columns:1fr;min-width:0}.stz-calc-result{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 2px;border-bottom:1px solid var(--stz-line);min-width:0}.stz-calc-result span{color:var(--stz-muted);font-size:.88rem}.stz-calc-result strong{text-align:right;max-width:150px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.stz-result-note{font-size:.78rem;color:var(--stz-muted);line-height:1.5;margin:12px 0 0}
.stz-analysis{margin-top:18px;padding:clamp(14px,2vw,20px)}.stz-tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--stz-line);padding-bottom:10px;margin-bottom:14px}.stz-tabs button{border:1px solid var(--stz-line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:800;cursor:pointer}.stz-tabs button.active{background:var(--stz-green-soft);color:var(--stz-green);border-color:#9ccab4}.stz-tab{display:none}.stz-tab.active{display:block}.stz-chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.stz-chart-grid article{border:1px solid var(--stz-line);border-radius:12px;padding:14px;min-width:0;background:var(--stz-surface-2)}.stz-chart-grid h3{font-size:1rem;margin:0 0 10px}.stz-chart-grid canvas{display:block;width:100%!important;min-height:220px}
.stz-steps,.stz-formula{background:var(--stz-surface-2);border:1px solid var(--stz-line);border-radius:12px;padding:15px;margin-bottom:14px}.stz-steps p{margin:.45rem 0;line-height:1.5}.stz-formula p{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.stz-table-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.stz-table-toolbar select{height:42px;border:1px solid var(--stz-line);border-radius:9px;padding:0 10px}.stz-table-scroll{max-width:100%;overflow:auto;border:1px solid var(--stz-line);border-radius:11px;-webkit-overflow-scrolling:touch}.stz-data-table{width:100%;min-width:650px;border-collapse:collapse;font-size:.86rem}.stz-data-table th{position:sticky;top:0;background:#eef4f0;z-index:1;text-align:left}.stz-data-table th,.stz-data-table td{padding:10px 12px;border-bottom:1px solid var(--stz-line);white-space:nowrap;font-variant-numeric:tabular-nums}.stz-data-table tbody tr:nth-child(even){background:#fafcfb}
.stz-utility-bar{margin-top:14px;padding:12px;display:flex;flex-wrap:wrap;gap:8px}.stz-utility-bar button{flex:1 1 135px}.stz-history-item{border:1px solid var(--stz-line);border-radius:10px;padding:12px;margin-bottom:10px;background:#fff}.stz-history-item pre{white-space:pre-wrap;margin:.5rem 0 0;overflow-wrap:anywhere}
.stz-v2-status{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 14px}.stz-v2-badge{display:inline-flex;align-items:center;gap:6px;background:var(--stz-green-soft);border:1px solid #a8d7bf;color:var(--stz-green-2);padding:6px 10px;border-radius:999px;font-size:.78rem;font-weight:800}.stz-v2-quick-actions{padding:12px;margin-bottom:14px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.stz-v2-action{padding:9px 10px;font-size:.82rem;min-width:0}
.stz-tool-sidebar{position:sticky;top:82px}.stz-tool-widget{min-width:0;overflow:hidden;border-radius:var(--stz-radius)!important;box-shadow:var(--stz-shadow-sm)}.stz-tool-popular a,.stz-tool-categories a{min-width:0}.stz-tool-popular a span{min-width:0;overflow-wrap:anywhere}.stz-tool-categories-line{display:flex!important;flex-wrap:wrap!important;gap:6px!important}.stz-tool-categories-line a{flex:0 1 auto!important}
@container (max-width:760px){.stz-calc-workspace{grid-template-columns:1fr}.stz-output-panel{position:static;order:-1}.stz-calc-grid{grid-template-columns:1fr}.stz-chart-grid{grid-template-columns:1fr}}
@media(max-width:1050px){.stz-tool-layout{grid-template-columns:minmax(0,1fr)}.stz-tool-sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.stz-tool-sidebar>*{margin:0!important}.stz-output-panel{position:static}}
@media(max-width:700px){.wrap,.stz-tool-layout{width:min(100% - 20px,var(--stz-max))}.hero .wrap{padding-top:16px}.content-card{padding:14px}.stz-tool-sidebar{grid-template-columns:1fr}.stz-v2-quick-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.stz-calc-result{grid-template-columns:minmax(0,1fr) minmax(86px,42%)}.stz-calc-result strong{max-width:none}.stz-utility-bar{position:relative}.stz-calc-actions button{flex:1 1 120px}.stz-data-table{font-size:.8rem}}
@media(max-width:420px){.stz-v2-quick-actions{grid-template-columns:1fr}.stz-primary-result strong{font-size:1.9rem}.stz-input-panel,.stz-output-panel,.stz-analysis{padding:12px}.stz-tabs button{flex:1 1 120px}.stz-calc-result{gap:8px}.stz-calc-result span,.stz-calc-result strong{font-size:.82rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media(prefers-color-scheme:dark){body.stz-auto-dark{--stz-bg:#101713;--stz-surface:#18221d;--stz-surface-2:#141d18;--stz-text:#edf4ef;--stz-muted:#aebbb4;--stz-line:#2d3c34;--stz-green-soft:#183b2d}.stz-auto-dark input,.stz-auto-dark select,.stz-auto-dark button,.stz-auto-dark .stz-tabs button{background:#17211c;color:var(--stz-text)}}
@media print{header.site,.hero .meta-row,.stz-tool-sidebar,.stz-utility-bar,.stz-v2-quick-actions,.stz-calc-actions,.stz-print-link,.stz-tabs{display:none!important}body{background:#fff}.stz-tool-layout{display:block;width:100%}.content-card,.stz-input-panel,.stz-output-panel,.stz-analysis{box-shadow:none;border-color:#bbb}.stz-tab{display:block!important}.stz-calc-workspace,.stz-chart-grid{grid-template-columns:1fr 1fr}.stz-table-scroll{overflow:visible}.stz-data-table{min-width:0;font-size:9pt}}

/* v2.1 field layout and global preferences patch */
.stz-input-panel .stz-calc-grid{align-items:start}
.stz-input-panel .stz-calc-grid>label{
 display:flex!important;flex-direction:column!important;align-items:stretch!important;
 grid-template-columns:none!important;gap:7px!important;min-width:0!important;width:100%!important;
 margin:0!important;padding:0!important;
}
.stz-input-panel .stz-calc-grid>label>span{display:block!important;min-height:1.35em;line-height:1.35!important;width:100%!important}
.stz-input-panel .stz-calc-grid>label>input,
.stz-input-panel .stz-calc-grid>label>select{
 display:block!important;width:100%!important;max-width:none!important;min-width:0!important;
 height:48px!important;margin:0!important;padding:0 13px!important;
}
.stz-global-preferences{grid-column:1/-1;background:var(--stz-surface-2);border:1px solid var(--stz-line);border-radius:12px;padding:14px;margin-bottom:2px}
.stz-global-preferences-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
.stz-global-preferences-head strong{font-size:.96rem}.stz-global-preferences-head small{color:var(--stz-muted);text-align:right}
.stz-global-preferences-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.stz-global-preferences-grid label{display:flex!important;flex-direction:column!important;gap:7px!important;min-width:0!important;font-weight:700;font-size:.88rem}
.stz-global-preferences-grid select{width:100%!important;min-width:0!important;height:48px!important;border:1px solid #cfd9d3;border-radius:10px;background:#fff;padding:0 12px;color:var(--stz-text)}
.stz-global-preferences-grid select:focus{outline:0;border-color:var(--stz-green);box-shadow:0 0 0 3px rgba(18,107,78,.12)}
.stz-currency-note{grid-column:1/-1;margin:0;color:var(--stz-muted);font-size:.78rem;line-height:1.45}
@container (max-width:900px){.stz-calc-grid{grid-template-columns:1fr}.stz-global-preferences-grid{grid-template-columns:1fr 1fr}.stz-global-preferences-grid label:last-of-type{grid-column:1/-1}}
@container (max-width:560px){.stz-global-preferences-grid{grid-template-columns:1fr}.stz-global-preferences-grid label:last-of-type{grid-column:auto}.stz-global-preferences-head{align-items:flex-start;flex-direction:column}.stz-global-preferences-head small{text-align:left}}