:root{color-scheme:light dark;--bg:var(--stinvar-accent);--panel:var(--stinvar-accent);--ink:var(--stinvar-accent);--muted:var(--stinvar-accent);--line:var(--stinvar-accent);--accent:var(--stinvar-accent)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.5 system-ui,sans-serif}header,main{max-width:1140px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center}h1{font-size:clamp(1.8rem,4vw,2.6rem)}.notice{border-left:4px solid var(--accent);padding:12px 18px;background:var(--panel)}.layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:24px;align-items:start}fieldset,.checkout-section,aside,#review{min-width:0;border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:22px;margin:0 0 22px}legend{font-weight:700}.checkout-section-title{margin:0 0 18px;font-size:1.12rem;font-weight:700;line-height:1.35}.fields>label:not(.check){grid-row:span 4;grid-template-rows:subgrid;row-gap:5px;padding-bottom:13px}.field-label{min-width:0;overflow-wrap:anywhere}.fields>label:not(.check)>:is(input,select){width:100%;min-width:0;min-height:48px;height:48px}.checkout-section :is(input,select){min-width:0}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 16px;align-items:stretch}label{display:grid;gap:5px;min-width:0;font-size:.94rem}input,select,button{min-height:46px;max-width:100%;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--bg);color:var(--ink)}input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.check{display:flex;align-items:flex-start;gap:10px;margin:15px 0}.check input{width:22px;min-height:22px;flex-shrink:0}button{cursor:pointer;font-weight:700;border-color:var(--accent);margin:8px 0}button:disabled{opacity:.6;cursor:default}small,.muted{color:var(--muted)}aside{position:sticky;top:20px}dl{display:grid;grid-template-columns:1fr auto;gap:12px}dd{margin:0;font-weight:700}#message{white-space:pre-wrap;overflow-wrap:anywhere}.wide{grid-column:1/-1}[hidden]{display:none!important}@media(prefers-color-scheme:light){:root{--bg:var(--stinvar-accent);--panel:#fff;--ink:var(--stinvar-accent);--muted:var(--stinvar-accent);--line:var(--stinvar-accent);--accent:var(--stinvar-accent)}}@media(max-width:760px){.layout{display:flex;flex-direction:column-reverse}.layout>*,aside{width:100%;position:static}.fields{grid-template-columns:1fr}header,main{padding:16px}fieldset,.checkout-section{padding:16px}header select{max-width:140px}}
a{color:var(--accent)}footer{max-width:1140px;margin:0 auto;padding:24px;display:flex;gap:24px;flex-wrap:wrap}#review p{overflow-wrap:anywhere}#review h3{margin-top:24px}header a{font-weight:700;text-decoration:none}
header{gap:20px}header a{flex:1}header select{width:auto;min-width:140px;max-width:45%}

/* Keep the amended checkout summary readable on phone screens. */
#review dl,#basket dl{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
#review dt,#review dd,#basket dt,#basket dd{min-width:0;overflow-wrap:anywhere}
.checkout-local-controls,main,.layout,.layout>section,#review,#basket{min-width:0;max-width:100%}

.international-phone{display:grid;grid-template-columns:minmax(95px,0.85fr) minmax(0,1.15fr);gap:8px;min-width:0;width:100%}.international-phone :is(input,select){width:100%;min-width:0;min-height:48px}.field-error{display:block;color:#a32323;font-size:.9rem;line-height:1.4;overflow-wrap:anywhere}html[data-theme=dark] .field-error{color:#ffb8b8}[aria-invalid=true]{border:2px solid #c83b3b!important;outline-offset:2px}.account-form .international-phone{margin:0}@media(max-width:420px){.international-phone{grid-template-columns:minmax(90px,0.8fr) minmax(0,1.2fr)}}

.fields>label:not(.check)>.field-label{grid-row:1;min-height:1.5em}.fields>label:not(.check)>:is(input,select,.international-phone){grid-row:2}.fields>label:not(.check)>.field-help{grid-row:3}.fields>label:not(.check)>.field-error{grid-row:4}.fields> :not(label:not(.check)){grid-column:1/-1}.field-help{margin:0;color:var(--stinvar-muted);font-size:.82rem;line-height:1.4}.fields input::placeholder{color:var(--stinvar-muted);opacity:.8}

.fields>label:not(.check)>.field-label{align-self:start}.field-info-caption{position:relative;display:block;padding-right:44px}.field-info-caption>.standby-stins-info{position:absolute;right:0;top:calc((1.5em - 44px)/2);margin:0}

/* The final order action takes precedence over editing the form. */
.stinvar-site #review #pay-now{display:block;width:100%;min-height:52px;margin:16px 0 0;padding:12px 18px;background:var(--stinvar-accent)!important;color:var(--stinvar-canvas)!important;border:1px solid var(--stinvar-accent)!important;box-shadow:0 0 12px var(--stinvar-glow-soft)!important;font-weight:700;font-size:1.05rem;line-height:1.5}
.stinvar-site #review #pay-now:not(:disabled):hover{box-shadow:0 0 18px var(--stinvar-glow)!important}
.stinvar-site #review #edit-order-details{display:block;width:auto;max-width:100%;min-height:44px;margin:8px auto 0;padding:8px 12px;background:transparent!important;color:var(--stinvar-muted)!important;border:0!important;box-shadow:none!important;font-weight:400;text-decoration:underline;text-underline-offset:3px}

/* Confirmation is a centered completion page, without the checkout sidebar column. */
body.stinvar-site.stinvar-checkout-confirmation main{width:min(1100px,calc(100% - 48px));max-width:1100px;margin-inline:auto;padding-inline:0}
body.stinvar-site.stinvar-checkout-confirmation .layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
body.stinvar-site.stinvar-checkout-confirmation .layout>section{background:transparent!important;border:0;border-radius:0;box-shadow:none!important}
body.stinvar-site.stinvar-checkout-confirmation #review{width:100%;margin:0;padding:clamp(20px,3vw,32px)}
body.stinvar-site.stinvar-checkout-confirmation :is(#steps,#message):empty{display:none}
@media(max-width:900px){body.stinvar-site.stinvar-checkout-confirmation main{width:calc(100% - 32px)}}

/* Shared postcode assistance stays inside the existing field help row. */
.address-assist{display:block;min-width:0;font-size:.88rem;line-height:1.45;color:var(--stinvar-muted,currentColor);overflow-wrap:anywhere}.address-assist[hidden]{display:none}.address-source{display:block;margin-top:4px;font-size:.8rem}.address-assist select{display:block;width:100%;margin-top:8px}.address-assist.is-loading [role=status]::before{content:"";display:inline-block;width:.85em;height:.85em;margin-right:.5em;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:address-spin .8s linear infinite;vertical-align:-.1em}@keyframes address-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.address-assist.is-loading [role=status]::before{animation:none}}

.company-knowledge{grid-column:1/-1;width:100%}.company-knowledge textarea{box-sizing:border-box;display:block;width:100%;min-height:17rem;resize:vertical;font:inherit;padding:1rem;border:1px solid #aab2bd;border-radius:8px}.company-knowledge progress{width:100%;margin:1rem 0}.company-knowledge [role=status]{min-height:1.5em}

/* Tax validation uses the existing field and button styling. */
.fields>label:not(.check)>.tax-id-control{grid-row:2}.tax-id-control{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:start;min-width:0}.tax-id-control input{min-width:0;min-height:48px}.tax-id-control button{width:auto;max-width:9rem;min-height:48px;margin:0}.tax-id-tick{color:#2f9e44}.tax-id-status{overflow-wrap:anywhere}

.business-mailbox[hidden]{display:none!important}.business-mailbox-address{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.business-mailbox-address input{flex:1 1 12rem;min-width:0}.business-mailbox-address>span{white-space:nowrap}.business-mailbox-preview{overflow-wrap:anywhere;font-weight:600}.business-mailbox p{max-width:100%;overflow-wrap:anywhere}.business-mailbox button{margin-block:.4rem}