/* Shared component styles. Each theme sets the palette variables and styles
   its own layout; the shared pages (cart, checkout, order, lookup) use only
   the classes defined here. */
:root { --bg: #fafafa; --fg: #1c1c1c; --muted: #6b6b6b; --line: #e6e6e6; --card: #fff;
  --danger: #c62828; --on-primary: #fff; --radius: 10px; --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --wrap: 1080px; }
.font-sans { --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.font-serif { --font: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, "Times New Roman", serif; }
.font-mono { --font: ui-monospace, "SF Mono", Menlo, Consolas, "PingFang SC", monospace; }
.r-sharp { --radius: 0px; } .r-normal { --radius: 10px; } .r-round { --radius: 18px; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--fg); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; }
a { color: var(--primary); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: 16px; padding-right: 16px; }
main { padding-top: 24px; padding-bottom: 56px; }
h1 { line-height: 1.25; }
.muted { color: var(--muted); font-size: .92em; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.error { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, var(--card)); border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--card)); padding: 10px 12px; border-radius: var(--radius); margin-bottom: 16px; }
.notice { background: color-mix(in srgb, var(--primary) 9%, var(--card)); border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--card)); padding: 10px 12px; border-radius: var(--radius); margin-bottom: 16px; }
.noticebar { background: color-mix(in srgb, var(--primary) 14%, var(--bg)); color: var(--fg); text-align: center; padding: 8px 16px; font-size: 14px; }
.preview-banner { background: #111; color: #ffd54f; text-align: center; padding: 6px 16px; font-size: 13px; }
.preview-banner a { color: #fff; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
td.num, th.num { text-align: right; white-space: nowrap; }
button, .btn { background: var(--primary); color: var(--on-primary); border: 0; border-radius: var(--radius); padding: 10px 20px; font: inherit; font-size: 15px; cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.3; }
button:hover, .btn:hover { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.secondary, .btn.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
input, textarea, select { font: inherit; color: var(--fg); padding: 9px 11px; border: 1px solid var(--line); border-radius: calc(var(--radius) * .7); width: 100%; background: var(--card); }
input:focus, textarea:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--primary) 50%, transparent); outline-offset: 1px; }
input[type=number] { width: 84px; }
input[type=radio], input[type=checkbox] { width: auto; accent-color: var(--primary); }
label { display: block; margin-bottom: 10px; font-size: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .row2 { grid-template-columns: 1fr; } }
.inline { display: inline; }
.keys { font-family: ui-monospace, Menlo, monospace; background: color-mix(in srgb, var(--fg) 6%, var(--card)); padding: 10px; border-radius: calc(var(--radius) * .7); white-space: pre-wrap; word-break: break-all; }
.methods { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; margin: 12px 0; }
.methods label { display: flex; gap: 8px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); margin: 0; cursor: pointer; background: var(--card); }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: color-mix(in srgb, var(--primary) 14%, var(--card)); color: var(--fg); }
/* The buy form (shared markup, themed per theme). */
.buy-form .variant { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 8px; background: var(--card); cursor: pointer; }
.buy-form .variant:has(input:checked) { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary) inset; }
.buy-form .variant:has(input:disabled) { opacity: .55; cursor: not-allowed; }
.buy-form .grow { flex: 1; min-width: 0; }
.buy-form .stock { white-space: nowrap; }
.buy-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-top: 12px; }
.buy-row .qty { margin: 0; }
.buy-row button { flex: 1; min-width: 160px; padding: 12px 20px; }
.description p { margin: 0 0 .7em; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font-weight: 700; }
.brand img { height: 34px; width: auto; border-radius: calc(var(--radius) * .5); }
.cart-link .count { display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 4px; border-radius: 999px; background: var(--primary); color: var(--on-primary); font-size: 12px; text-align: center; line-height: 20px; }
.price { white-space: nowrap; }
.empty { text-align: center; padding: 48px 16px; color: var(--muted); }