:root {
  color-scheme: light;
  --ink: #18212b;
  --muted: #65717d;
  --paper: #f5f3ee;
  --panel: #fffefa;
  --line: #d8d5cd;
  --teal: #167d7f;
  --teal-dark: #0f5d61;
  --coral: #d96852;
  --shadow: 0 18px 50px rgba(24, 33, 43, 0.1);
  font-family: Georgia, 'Times New Roman', serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at 8% 0%, #e6efeb 0, transparent 38%), var(--paper);
  color: var(--ink);
}
button, input { font: inherit; }
button { cursor: pointer; }
.app-shell { min-height: 100vh; }
.loading-panel, .auth-panel {
  width: min(680px, calc(100% - 32px));
  margin: 12vh auto;
  padding: clamp(28px, 7vw, 64px);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.eyebrow { color: var(--teal-dark); font: 700 0.78rem/1.2 ui-sans-serif, system-ui, sans-serif; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { max-width: 11ch; margin: 14px 0; font-size: clamp(2.3rem, 7vw, 5rem); line-height: 0.95; }
h2 { margin: 0; font-size: 1.5rem; }
p { color: var(--muted); line-height: 1.55; }
.auth-panel form { display: grid; gap: 16px; max-width: 420px; margin-top: 28px; }
label { display: grid; gap: 7px; color: var(--muted); font: 700 0.78rem/1.2 ui-sans-serif, system-ui, sans-serif; letter-spacing: 0.03em; text-transform: uppercase; }
input { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: white; }
input:focus { outline: 3px solid rgba(22, 125, 127, 0.2); border-color: var(--teal); }
.primary-button, .quiet-button { min-height: 44px; padding: 10px 17px; border-radius: 4px; font: 700 0.85rem/1 ui-sans-serif, system-ui, sans-serif; }
.primary-button { border: 1px solid var(--teal-dark); background: var(--teal); color: white; }
.primary-button:hover { background: var(--teal-dark); }
.quiet-button { border: 1px solid var(--line); background: transparent; color: var(--ink); }
.notice { margin-top: 18px; padding: 12px 14px; border-left: 4px solid var(--coral); background: #fff0eb; color: #743426; font: 0.9rem/1.4 ui-sans-serif, system-ui, sans-serif; }
.workspace { min-height: 100vh; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px clamp(18px, 5vw, 64px); border-bottom: 1px solid var(--line); background: rgba(255, 254, 250, 0.86); }
.topbar-title { display: flex; align-items: baseline; gap: 14px; }
.topbar h1 { max-width: none; margin: 0; font-size: 1.45rem; }
.shop-badge { color: var(--muted); font: 0.75rem ui-sans-serif, system-ui, sans-serif; }
.workspace-grid { display: grid; grid-template-columns: minmax(220px, 0.75fr) minmax(0, 2fr); gap: 24px; width: min(1240px, calc(100% - 36px)); margin: 34px auto; }
.rail, .content-panel { border: 1px solid var(--line); background: rgba(255, 254, 250, 0.82); }
.rail { padding: 22px; }
.content-panel { min-height: 430px; padding: clamp(24px, 5vw, 48px); }
.section-label { display: block; margin-bottom: 12px; color: var(--teal-dark); font: 700 0.74rem ui-sans-serif, system-ui, sans-serif; letter-spacing: 0.08em; text-transform: uppercase; }
.rail p { font-size: 0.95rem; }
.search-form { margin-top: 24px; }
.search-form > label { margin-bottom: 7px; }
.search-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.search-row .primary-button { padding-inline: 13px; }
.status-message { min-height: 21px; margin-top: 13px; color: var(--muted); font: 0.78rem/1.4 ui-sans-serif, system-ui, sans-serif; }
.status-message.is-loading { color: var(--teal-dark); }
.status-message.is-error { color: #9a3e2d; }
.search-results { display: grid; gap: 14px; margin-top: 20px; }
.result-group { padding-top: 14px; border-top: 1px solid var(--line); }
.result-group h3 { margin: 0 0 5px; font-size: 1rem; line-height: 1.2; }
.result-status, .variant-id { color: var(--teal-dark); font: 700 0.68rem/1.2 ui-sans-serif, system-ui, sans-serif; letter-spacing: 0.06em; text-transform: uppercase; }
.variant-list { display: grid; gap: 7px; margin-top: 11px; }
.variant-choice { display: grid; gap: 4px; width: 100%; padding: 10px 11px; border: 1px solid var(--line); border-radius: 3px; text-align: left; background: white; color: var(--ink); }
.variant-choice:hover, .variant-choice:focus { border-color: var(--teal); background: #f1f8f5; }
.variant-choice strong { font-size: 0.86rem; }
.variant-choice span { color: var(--muted); font: 0.73rem ui-sans-serif, system-ui, sans-serif; }
.empty-results { margin: 0; color: var(--muted); font: 0.8rem ui-sans-serif, system-ui, sans-serif; }
.template-catalog { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); }
.template-catalog details summary { display: flex; justify-content: space-between; cursor: pointer; color: var(--ink); font: 700 0.78rem ui-sans-serif, system-ui, sans-serif; letter-spacing: 0.04em; text-transform: uppercase; }
.template-catalog details summary span { color: var(--muted); }
.template-list { display: grid; gap: 9px; margin-top: 14px; }
.template-item { display: grid; grid-template-columns: 1fr auto; gap: 3px 8px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.template-item strong { font-size: 0.85rem; }
.template-item span { grid-column: 1; color: var(--muted); font: 0.69rem ui-sans-serif, system-ui, sans-serif; }
.template-deactivate { grid-column: 2; grid-row: 1 / span 2; align-self: center; border: 0; background: transparent; color: var(--coral); font: 0.68rem ui-sans-serif, system-ui, sans-serif; cursor: pointer; }
.template-form { display: grid; gap: 10px; margin-top: 17px; }
.template-form label { font-size: 0.68rem; }
.template-form input { padding: 9px 10px; }
.template-form .quiet-button { min-height: 38px; }
.activity-panel, .custom-label-panel { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); }
.activity-list { display: grid; gap: 8px; }
.activity-item { display: flex; justify-content: space-between; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--line); font: 0.7rem ui-sans-serif, system-ui, sans-serif; }
.activity-item strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-item span { color: var(--teal-dark); font-weight: 700; text-transform: uppercase; }
.empty-selection { max-width: 560px; }
.selected-heading { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.selected-heading h2 { margin-top: 8px; font-size: clamp(1.5rem, 4vw, 2.4rem); }
.variant-id { flex-shrink: 0; padding-top: 3px; color: var(--muted); text-align: right; }
.variant-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; margin: 38px 0 0; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.variant-facts div { min-width: 0; }
.variant-facts dt { color: var(--muted); font: 700 0.7rem ui-sans-serif, system-ui, sans-serif; letter-spacing: 0.06em; text-transform: uppercase; }
.variant-facts dd { margin: 6px 0 0; overflow-wrap: anywhere; font-size: 1.05rem; }
.variant-facts .price { color: var(--coral); font-size: 1.45rem; }
.assignments-panel { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.assignment-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.assignment-heading .section-label { margin-bottom: 4px; }
.assignment-heading p { margin: 0; font-size: 0.9rem; }
.assignment-rows { display: grid; gap: 10px; margin-top: 18px; }
.assignment-row { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) auto; gap: 10px; align-items: end; padding: 12px; border: 1px solid var(--line); background: #fff; }
.assignment-row label { font-size: 0.68rem; }
.assignment-row input { padding: 10px; font-size: 0.9rem; }
.assignment-row select { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 4px; background: white; color: var(--ink); }
.assignment-row .quiet-button { min-height: 40px; padding: 8px 10px; }
.assignment-actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; }
.assignment-actions .primary-button, .assignment-actions .quiet-button { min-height: 40px; }
.assignment-warnings { display: grid; gap: 8px; margin-top: 16px; }
.assignment-warnings .notice { margin-top: 0; padding: 9px 11px; font-size: 0.78rem; }
.refresh-actions { display: flex; gap: 10px; margin-top: 18px; }
.refresh-actions .primary-button, .refresh-actions .quiet-button { min-height: 40px; }
.refresh-result { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.target-result { display: grid; grid-template-columns: 1fr auto; gap: 3px 12px; padding: 9px 0; border-bottom: 1px solid var(--line); font: 0.8rem ui-sans-serif, system-ui, sans-serif; }
.target-result span { color: var(--teal-dark); font-weight: 700; text-transform: uppercase; }
.target-result small { grid-column: 1 / -1; color: var(--muted); }
.future-panel { margin-top: 34px; padding: 17px 0; border-left: 3px solid var(--teal); padding-left: 16px; }
.future-panel .section-label { margin-bottom: 5px; }
.future-panel p { margin: 0; font-size: 0.92rem; }
.status-line { display: flex; align-items: center; gap: 8px; margin-top: 28px; color: var(--muted); font: 0.8rem ui-sans-serif, system-ui, sans-serif; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); }
@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .workspace-grid { grid-template-columns: 1fr; margin-top: 18px; }
  .content-panel { min-height: 300px; }
  .selected-heading { display: block; }
  .variant-id { display: block; margin-top: 12px; text-align: left; }
  .assignment-row { grid-template-columns: 1fr; align-items: stretch; }
  .assignment-actions { flex-direction: column; }
  .refresh-actions { flex-direction: column; }
}