* { box-sizing: border-box; }
body { margin: 0; color: var(--color-text); background: var(--color-page); }
a { color: var(--color-primary-strong); }
button, input, select { font: inherit; }
.site-header, footer { max-width: 1080px; margin: auto; padding: var(--space-6); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { font-size: 28px; font-weight: 800; text-decoration: none; }
.brand span, .summary-label { display: block; font-size: .75rem; color: var(--color-text-muted); }
.header-link { font-weight: 700; }
main { max-width: 880px; margin: var(--space-6) auto; padding: 0 var(--space-5); }
.hero, .panel { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.hero { display: flex; flex-wrap: wrap; gap: var(--space-5); align-items: flex-start; }
.hero > div:nth-child(2) { flex: 1; min-width: 220px; }
.hero h1 { margin: 0; font-size: clamp(1.6rem, 4vw, 2.3rem); line-height: 1.2; }
.hero-copy, .muted, .fine-print, small { color: var(--color-text-muted); }
.shopify-mark, .panel-icon, .summary-check, .value-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-sm); color: var(--color-primary-strong); background: var(--color-primary-soft); font-weight: 800; }
.eyebrow { margin: 0 0 var(--space-2); color: var(--color-text-muted); font-size: .75rem; letter-spacing: .08em; font-weight: 750; }
.secure-pill { color: var(--color-success); background: var(--color-success-soft); border-radius: var(--radius-pill); padding: var(--space-2) var(--space-3); font-size: .75rem; }
.progress { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin: var(--space-5) 0; font-size: .8rem; color: var(--color-text-muted); }
.progress i { flex: 1; height: 1px; background: var(--color-border); }
.progress-step { display: flex; align-items: center; gap: var(--space-2); }
.progress-step b { border-radius: var(--radius-pill); background: var(--color-surface-muted); padding: var(--space-1) var(--space-2); }
.is-done { color: var(--color-success); }
.is-current { color: var(--color-primary-strong); font-weight: 750; }
.store-summary, #message, .billing-status-card { margin: var(--space-4) 0; padding: var(--space-4); border: 1px solid var(--color-primary-border); border-radius: var(--radius-sm); background: var(--color-primary-soft); }
.loading-state { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-4) 0; padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text-muted); background: var(--color-surface); }
.loading-spinner { width: 16px; height: 16px; flex: 0 0 16px; border: 2px solid var(--color-border-strong); border-top-color: var(--color-primary); border-radius: 50%; animation: shopify-spin .8s linear infinite; }
@keyframes shopify-spin { to { transform: rotate(360deg); } }
.store-summary { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.store-summary strong, .store-summary small { display: block; overflow-wrap: anywhere; }
#message { color: var(--color-primary-strong); }
#message:empty { display: none; }
#message.error { border-color: var(--color-danger-border); background: var(--color-danger-soft); color: var(--color-danger); }
.panel { margin: var(--space-5) 0; }
.panel-heading { display: flex; justify-content: space-between; gap: var(--space-4); }
h2 { margin: 0; font-size: 1.4rem; }
h3 { margin: var(--space-2) 0; }
.panel-heading p:not(.eyebrow) { color: var(--color-text-muted); }
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-1); margin: var(--space-5) 0; padding: var(--space-1); border-radius: var(--radius-sm); background: var(--color-surface-muted); }
.tabs .tab-active { background: var(--color-primary-soft); border-color: var(--color-primary-border); color: var(--color-primary-strong); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
label { display: grid; gap: var(--space-2); margin: var(--space-4) 0; font-size: .9rem; font-weight: 650; }
label small { font-size: .78rem; font-weight: 400; }
input, select { display: block; width: 100%; min-width: 0; min-height: var(--control-height-lg); padding: 10px 12px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: var(--color-surface); color: var(--color-text); }
button, .primary { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: var(--control-height-lg); margin: var(--space-1) 0; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); color: var(--color-primary-strong); font-weight: 700; cursor: pointer; text-decoration: none; }
.primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-surface); }
.primary:hover { background: var(--color-primary-strong); }
.primary.is-disabled { opacity: .55; cursor: not-allowed; filter: grayscale(.25); }
button:disabled { opacity: .6; cursor: wait; }
.wide { width: 100%; }
.text-button { background: transparent; border: 0; }
.value-grid, .plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-4); margin: var(--space-5) 0; }
.value-grid > div, .plan { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.value-grid p { color: var(--color-text-muted); font-size: .85rem; }
.plan strong { display: block; color: var(--color-primary-strong); font-size: 1.4rem; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.billing-section, .request { border-top: 1px solid var(--color-border); padding-top: var(--space-4); margin-top: var(--space-4); }
footer { color: var(--color-text-muted); border-top: 1px solid var(--color-border); font-size: .8rem; }
[hidden] { display: none !important; }
:where(button, a, input, select, summary):focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
@media (max-width: 680px) { main { padding: 0 var(--space-3); } .panel, .hero { padding: var(--space-4); } .form-grid { grid-template-columns: 1fr; gap: 0; } .progress i { display: none; } .panel-icon { flex: 0 0 40px; } }