/* Hallmark · buyer: Catalogue · seller: Workbench · tone: utilitarian · anchor hue: blue
 * genre: modern-minimal · theme: custom mist blue · nav: N1 · footer: Ft2
 * pre-emit critique: P4 H5 E4 S5 R5 V4 · contrast: pass (tested token pairs)
 * responsive: pass (320–1920px, buyer and seller) · icons: custom SVG
 */
* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; }
body { background: var(--color-paper); color: var(--color-ink); font: 14px/1.6 var(--font-body); }
button, input, textarea, select { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: var(--color-clear); }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
button, .btn { min-height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); color: var(--color-ink); padding: 10px 16px; white-space: nowrap; transition: background 150ms var(--ease-out), transform 150ms var(--ease-out); }
button:hover, .btn:hover { background: var(--color-soft); }
button:active, .btn:active { transform: translateY(1px); }
button:disabled { cursor: not-allowed; opacity: .5; transform: none; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.primary { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.primary:hover { background: var(--color-accent-hover); }
.btn { display: inline-flex; align-items: center; justify-content: center; }
.ghost { border-color: var(--color-clear); background: var(--color-clear); color: var(--color-accent); }
.wide { width: 100%; }
.icon { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.7; fill: none; flex-shrink: 0; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 208px; background: var(--color-surface); border-right: 1px solid var(--color-border); display: flex; flex-direction: column; padding: 32px 20px; z-index: 2; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 23px; font-weight: 700; line-height: 1.15; padding: 0 8px; }
.brand strong { display: block; font: 12px/1.6 var(--font-body); color: var(--color-muted); margin-top: 5px; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--color-accent); color: var(--color-accent-ink); font-size: 28px; }
nav { display: grid; gap: 8px; margin-top: 48px; }
nav a { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 8px; min-height: 48px; white-space: nowrap; color: var(--color-muted); }
nav a:hover { background: var(--color-soft); }
nav a[aria-current] { background: var(--color-accent-soft); color: var(--color-accent); font-weight: 700; }
nav a span { display: flex; }
.sidebar-bottom { margin-top: auto; font-size: 12px; color: var(--color-muted); padding: 16px 8px 0; }
.sidebar-bottom > span:last-child { display: block; margin-top: 5px; }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--color-green); margin-right: 8px; }
.shell { margin-left: 208px; }
.topbar { height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-border); padding: 0 40px; color: var(--color-muted); background: var(--color-surface); }
main { max-width: 1320px; margin: auto; padding: 36px 40px 48px; min-height: calc(100vh - 130px); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-style: normal; font-weight: 700; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: 28px; letter-spacing: -.02em; line-height: 1.3; }
h2 { font-size: 18px; line-height: 1.4; }
h3 { font-size: 15px; line-height: 1.5; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 24px; }
.page-head p { margin-top: 8px; color: var(--color-muted); }
.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 5px; padding: 4px 8px; font-size: 12px; font-weight: 400; white-space: nowrap; }
.badge.neutral { color: var(--color-muted); background: var(--color-soft); }
.badge.unused, .badge.success { color: var(--color-green); background: var(--color-green-soft); }
.badge.queued, .badge.used { color: var(--color-muted); background: var(--color-soft); }
.badge.processing, .badge.accent { color: var(--color-accent); background: var(--color-accent-soft); }
.badge.failed { color: var(--color-red); background: var(--color-red-soft); }
.notice { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid var(--color-border); background: var(--color-soft); border-radius: 8px; color: var(--color-muted); font-size: 12px; margin-bottom: 24px; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.stack { display: grid; gap: 20px; min-width: 0; }
.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: 0 3px 12px var(--color-shadow); padding: 24px; min-width: 0; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.panel-head .title { display: flex; align-items: center; gap: 10px; }
.panel-head .title > .icon { color: var(--color-accent); }
.muted, .hint { color: var(--color-muted); }
.hint { font-size: 12px; margin-top: 8px; }
.inline-form { display: flex; gap: 8px; margin-top: 12px; }
.inline-form input { flex: 1; min-width: 0; }
input, select, textarea { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 12px; background: var(--color-surface); color: var(--color-ink); }
textarea { resize: vertical; min-height: 100px; }
input::placeholder, textarea::placeholder { color: var(--color-muted); opacity: .8; }
[aria-invalid=true] { border-color: var(--color-red); }
input:disabled, select:disabled, textarea:disabled { background: var(--color-soft); color: var(--color-muted); cursor: not-allowed; opacity: .6; }
label { display: block; }
.field { display: grid; gap: 8px; margin-bottom: 16px; }
.field > span { font-weight: 700; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.error { font-size: 12px; color: var(--color-red); margin-top: 8px; min-height: 1.6em; }
.demo-keys { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin-top: 12px; font-size: 12px; }
.demo-keys > span { color: var(--color-muted); margin-right: 4px; }
.demo-keys button { min-height: 44px; padding: 8px; border: 0; background: var(--color-clear); font-size: 12px; color: var(--color-muted); }
.demo-keys button:hover, .demo-keys button[aria-pressed=true] { color: var(--color-accent); background: var(--color-accent-soft); }
.service-heading { display: flex; gap: 14px; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); margin-bottom: 20px; }
.service-symbol { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; color: var(--color-accent); background: var(--color-accent-soft); border-radius: 10px; }
.service-heading p { color: var(--color-muted); font-size: 12px; margin-top: 4px; }
.catalog-tools { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.search { position: relative; flex: 1; min-width: 0; }
.search .icon { position: absolute; left: 12px; top: 12px; color: var(--color-muted); }
.search input { padding-left: 40px; }
.catalog-tools .badge { flex-shrink: 0; }
.catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.catalog-card { position: relative; display: flex; flex-direction: column; align-items: stretch; padding: 0; white-space: normal; text-align: left; overflow: clip; border-radius: 8px; }
.catalog-card:hover { border-color: var(--color-accent); background: var(--color-surface); }
.catalog-card[aria-pressed=true] { border-color: var(--color-accent); box-shadow: inset 0 0 0 1px var(--color-accent); background: var(--color-accent-soft); }
.catalog-card[aria-pressed=true] .selection-check { display: grid; }
.selection-check { display: none; position: absolute; top: 6px; right: 6px; z-index: 1; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: var(--color-accent); color: var(--color-accent-ink); }
.selection-check .icon { width: 16px; height: 16px; }
.art { aspect-ratio: 1; background: var(--color-soft); display: flex; align-items: center; justify-content: center; width: 100%; overflow: clip; }
.art img { width: 100%; height: 100%; object-fit: cover; }
.art.contain img { object-fit: contain; padding: 8px; }
.art.plate { aspect-ratio: 3.2; }
.art.fallback { color: var(--color-muted); font: 12px var(--font-body); text-align: center; padding: 12px; }
.art.fallback::after { content: "图片暂不可用"; }
.art.fallback img { display: none; }
.card-name { display: block; padding: 10px 10px 2px; font-size: 12px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta { display: block; padding: 0 10px 10px; font-size: 11px; color: var(--color-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.catalog-grid.plates { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.catalog-grid.no-art { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.catalog-grid.no-art .catalog-card { min-height: 64px; justify-content: center; padding-right: 26px; }
.catalog-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; gap: 8px; color: var(--color-muted); font-size: 12px; }
.pager { display: flex; gap: 8px; }
.pager button { padding: 8px; display: flex; align-items: center; justify-content: center; min-width: 44px; }
.selection-bar { display: flex; flex-wrap: wrap; gap: 8px; border-top: 1px solid var(--color-border); padding-top: 16px; margin-top: 16px; }
.selection-bar:empty { display: none; }
.selection-bar button { max-width: 100%; min-height: 44px; padding: 8px 12px; color: var(--color-accent); background: var(--color-accent-soft); border: 0; display: flex; align-items: center; gap: 8px; }
.selection-bar button span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.selection-bar .icon { width: 14px; height: 14px; }
.subform { padding-top: 20px; margin-top: 20px; border-top: 1px solid var(--color-border); }
.check-row { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.check-row input { width: 18px; height: 18px; min-height: 18px; flex-shrink: 0; accent-color: var(--color-accent); }
.checks { display: flex; gap: 8px 16px; flex-wrap: wrap; margin-bottom: 16px; }
.checks-label { font-weight: 700; margin-bottom: 6px; }
.summary-line { display: flex; justify-content: space-between; gap: 16px; margin-top: 12px; }
.summary-line > span:first-child { color: var(--color-muted); }
.summary-line > span:last-child { text-align: right; overflow-wrap: anywhere; }
.summary-line.total { padding-top: 16px; margin-top: 20px; border-top: 1px solid var(--color-border); }
.qr-panel { margin-top: 20px; border-top: 1px solid var(--color-border); padding-top: 20px; }
.qr-panel h3 { margin-bottom: 12px; }
.qr-panel .ghost { padding-left: 0; margin: 0 0 8px; }
.qr-image-picker { margin-top: var(--space-input); }
.submit-button { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; }
.side-note { font-size: 12px; color: var(--color-muted); margin-top: 12px; line-height: 1.8; }
.empty { text-align: center; padding: 28px 12px; color: var(--color-muted); }
.empty .icon { width: 32px; height: 32px; margin-bottom: 8px; color: var(--color-border); }
.empty p { font-size: 12px; margin-top: 4px; }
.task-row { padding: 16px 0; border-top: 1px solid var(--color-border); }
.task-row:first-child { border: 0; padding-top: 0; }
.task-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.task-row p { margin-top: 8px; font-size: 12px; color: var(--color-muted); overflow-wrap: anywhere; }
.task-row .error { color: var(--color-red); }
.task-code { display: block; margin-top: 8px; font-size: 11px; color: var(--color-muted); font-variant-numeric: tabular-nums; }
.progress-track { height: 4px; background: var(--color-soft); border-radius: 4px; overflow: clip; margin-top: 12px; }
.progress-track > span { display: block; height: 100%; background: var(--color-accent); }
.service-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.seller-select { display: none; }
.service-choice { display: flex; gap: 12px; align-items: center; text-align: left; white-space: normal; padding: 12px; }
.service-choice[aria-pressed=true] { border-color: var(--color-accent); background: var(--color-accent-soft); }
.service-choice .service-symbol { width: 36px; height: 36px; background: var(--color-soft); }
.service-choice > span:last-child { min-width: 0; }
.service-choice strong, .service-choice small { display: block; white-space: nowrap; }
.service-choice small { font-size: 11px; color: var(--color-muted); font-weight: 400; margin-top: 3px; }
.key-output { margin-top: 20px; padding: 16px; border: 1px dashed var(--color-accent); background: var(--color-accent-soft); border-radius: 8px; }
.key-output code { display: block; font: 14px var(--font-display); overflow-wrap: anywhere; margin: 8px 0 12px; }
.key-output .primary { width: 100%; }
.list-panel { margin-top: 24px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 12px; }
th { color: var(--color-muted); font-weight: 400; text-align: left; background: var(--color-soft); }
td, th { padding: 12px; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
td code { font-family: var(--font-display); }
td button { padding: 8px; min-height: 44px; font-size: 12px; }
.mobile-list { display: none; }
.key-mobile { padding: 16px 0; border-top: 1px solid var(--color-border); }
.key-mobile code { display: block; overflow-wrap: anywhere; margin: 8px 0; font: 12px var(--font-display); }
.loading { display: flex; align-items: center; justify-content: center; min-height: 300px; gap: 12px; color: var(--color-muted); }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--color-border); border-top-color: var(--color-accent); border-radius: 50%; animation: spin 800ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
#toast { position: fixed; bottom: 24px; left: calc(50% + 104px); transform: translateX(-50%); z-index: 5; padding: 12px 20px; border-radius: 8px; color: var(--color-surface); background: var(--color-ink); box-shadow: 0 8px 24px var(--color-shadow); max-width: calc(100vw - 32px); opacity: 0; pointer-events: none; transition: opacity 150ms var(--ease-out); }
#toast.visible { opacity: 1; }
footer { max-width: 1320px; margin: auto; padding: 0 40px 24px; color: var(--color-muted); font-size: 11px; }
.skip-link { position: fixed; top: -100px; left: 12px; z-index: 10; background: var(--color-surface); padding: 12px; }
.skip-link:focus { top: 12px; }
@media (max-width: 700px) { .page-head > .btn { margin-top: 16px; } }
@media (min-width: 1600px) { .layout { grid-template-columns: minmax(0, 1fr) 340px; } .catalog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 1100px) { .sidebar { width: 176px; padding-inline: 12px; } .shell { margin-left: 176px; } main { padding: 28px 24px; } .topbar { padding-inline: 24px; } .layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 16px; } .panel { padding: 20px; } .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .service-list { grid-template-columns: minmax(0, 1fr); } #toast { left: calc(50% + 88px); } }
@media (max-width: 900px) { .sidebar { position: static; width: 100%; padding: 16px 24px; border-right: 0; border-bottom: 1px solid var(--color-border); flex-direction: row; justify-content: space-between; align-items: center; gap: 16px; } .brand { font-size: 20px; padding: 0; } .brand strong { font-size: 11px; } .brand-mark { width: 36px; height: 36px; } nav { display: flex; margin: 0; gap: 4px; } nav a { padding: 8px 12px; min-height: 44px; } .sidebar-bottom, .topbar { display: none; } .shell { margin: 0; } #toast { left: 50%; } }
@media (max-width: 700px) { main { padding: 24px 16px; } .sidebar { padding: 12px 16px; flex-wrap: wrap; gap: 12px; } nav { width: 100%; } nav a { flex: 1; justify-content: center; } .page-head { display: block; } .page-head > .badge { margin-top: 12px; } h1 { font-size: 24px; } .layout { grid-template-columns: minmax(0, 1fr); } .panel { padding: 20px; } .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; } .panel-head { gap: 8px; } .notice { align-items: flex-start; } .notice .icon { margin-top: 2px; } .service-list { display: none; } .seller-select { display: grid; } .table-wrap { display: none; } .mobile-list { display: block; } footer { padding-inline: 16px; } }
@media (max-width: 400px) { .panel { padding: 16px; } .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .catalog-tools { flex-wrap: wrap; } .catalog-tools .search { flex-basis: 100%; } .service-list { grid-template-columns: minmax(0, 1fr); } .inline-form { flex-wrap: wrap; } .inline-form input { flex-basis: 100%; } .inline-form button { width: 100%; } .field-row { grid-template-columns: minmax(0, 1fr); gap: 0; } .catalog-footer { font-size: 11px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

/* Soft interface: shared primitives and existing views. */
body { font-size: 16px; line-height: 1.6; }
button, .btn { min-height: 48px; padding: var(--space-input) var(--space-control); font-weight: 500; transition: transform 150ms var(--ease-out); }
button:not(.catalog-card):not(.service-choice), .btn { border-radius: var(--radius-pill); }
input, select, textarea { min-height: 48px; padding: var(--space-input) var(--space-md); font-size: 16px; }
input::placeholder, textarea::placeholder { opacity: 1; }
textarea { min-height: 116px; }
h1 { font-size: 32px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
.sidebar { position: static; inset: auto; width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: var(--space-xl); padding: var(--space-control) max(var(--space-xl), calc((100vw - 1160px) / 2)); border: 0; border-bottom: 1px solid var(--color-border); }
.brand { width: fit-content; gap: var(--space-input); padding: 0; font-size: 28px; }
.brand strong { font-size: 13px; margin-top: var(--space-xs); }
.brand-mark { width: 48px; height: 48px; border-radius: var(--radius-tile); background: var(--color-accent-soft); color: var(--color-accent); font-size: 30px; }
nav { display: flex; align-items: center; gap: var(--space-sm); margin: 0; padding: var(--space-xs); border-radius: var(--radius-pill); background: var(--color-soft); }
nav a { gap: var(--space-sm); min-height: 48px; padding: var(--space-input) var(--space-control); border-radius: var(--radius-pill); font-size: 14px; font-weight: 500; }
nav a[aria-current] { background: var(--color-surface); color: var(--color-accent); box-shadow: 0 2px 8px var(--color-shadow); }
.sidebar-bottom { display: flex; align-items: center; justify-self: end; padding: var(--space-sm) var(--space-input); margin: 0; font-size: 13px; background: var(--color-soft); border-radius: var(--radius-pill); white-space: nowrap; }
.shell { margin: 0; }
main { max-width: 1240px; padding: var(--space-2xl) var(--space-section); min-height: calc(100vh - 180px); }
.page-head { margin-bottom: var(--space-xl); gap: var(--space-md); }
.page-head p { margin-top: var(--space-input); font-size: 15px; }
.page-head > .btn { font-size: 14px; }
.badge { border-radius: var(--radius-pill); padding: var(--space-xs) var(--space-input); font-size: 12px; }
.notice { padding: var(--space-input) var(--space-md); margin-bottom: var(--space-xl); gap: var(--space-input); background: var(--color-clear); border: 0; border-radius: var(--radius-sm); font-size: 13px; }
.notice > .icon { width: 18px; height: 18px; }
.panel { padding: var(--space-xl); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-panel); }
.panel-head { margin-bottom: var(--space-lg); gap: var(--space-input); }
.panel-head .title { gap: var(--space-input); }
.key-panel { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 0 var(--space-xl); margin-bottom: var(--space-section); }
.key-panel > .panel-head { grid-column: 1; grid-row: 1 / 5; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; margin: 0; gap: var(--space-md); }
.key-panel > label, .key-panel > form, .key-panel > p, .key-panel > .demo-keys { grid-column: 2; }
.key-panel > label { font-size: 14px; }
.inline-form { gap: var(--space-input); margin-top: var(--space-input); align-items: center; }
.inline-form input { height: 50px; }
.inline-form button { height: 50px; min-width: 120px; }
.demo-keys { gap: var(--space-xs); margin-top: 0; font-size: 13px; }
.demo-keys button { padding: var(--space-sm) var(--space-input); min-height: 44px; font-size: 13px; }
.error { margin-top: var(--space-sm); font-size: 13px; min-height: 21px; }
.layout { grid-template-columns: minmax(0, 1fr) 340px; gap: var(--space-xl); }
.stack { gap: var(--space-lg); }
#service-panel { padding: 0; border: 0; box-shadow: none; background: var(--color-clear); }
.service-heading { gap: var(--space-md); padding-bottom: var(--space-lg); margin-bottom: var(--space-lg); border-color: var(--color-border); }
.service-heading h2 { font-size: 23px; }
.service-heading p { font-size: 14px; margin-top: var(--space-sm); }
.service-symbol { width: 48px; height: 48px; border-radius: var(--radius-tile); }
.catalog-tools { margin-bottom: var(--space-lg); gap: var(--space-md); }
.search .icon { left: var(--space-md); top: 14px; }
.search input { padding-left: var(--space-2xl); background: var(--color-surface); }
.catalog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-md); }
.catalog-card { padding: 0; border-radius: var(--radius-tile); background: var(--color-surface); }
.catalog-card:hover { background: var(--color-surface); }
.art { background: var(--color-soft); }
.art.contain img { padding: var(--space-input); }
.card-name { font-size: 14px; padding: var(--space-input) var(--space-input) var(--space-xs); }
.card-meta { font-size: 12px; padding: 0 var(--space-input) var(--space-input); }
.catalog-footer { margin-top: var(--space-lg); font-size: 13px; gap: var(--space-sm); }
.pager button { min-width: 44px; min-height: 44px; padding: var(--space-sm); }
.hint, .side-note { font-size: 13px; line-height: 1.8; }
.selection-bar { gap: var(--space-sm); margin-top: var(--space-lg); padding-top: var(--space-md); }
.selection-bar button { padding: var(--space-sm) var(--space-input); font-size: 14px; }
.subform { padding-top: var(--space-lg); margin-top: var(--space-lg); }
.field { gap: var(--space-sm); margin-bottom: var(--space-control); }
.field > span, .checks-label { font-weight: 500; font-size: 14px; }
.summary-line { gap: var(--space-md); font-size: 14px; margin-top: var(--space-md); }
.summary-line > span:last-child { min-width: 0; max-width: 70%; }
.summary-line.total { padding-top: var(--space-control); margin-top: var(--space-lg); }
.qr-panel { padding-top: var(--space-lg); margin-top: var(--space-lg); }
.qr-panel h3 { margin-bottom: var(--space-input); }
.qr-panel label.hint { display: block; margin-bottom: var(--space-sm); }
.qr-panel .ghost { margin: 0 0 var(--space-xs); font-size: 14px; }
.submit-button { margin-top: var(--space-control); gap: var(--space-sm); }
.primary .spinner { border-color: var(--color-spinner-track); border-top-color: var(--color-accent-ink); }
.demo-options { font-size: 13px; color: var(--color-muted); border-top: 1px solid var(--color-border); }
.demo-options summary { min-height: 44px; padding: var(--space-input) var(--space-xs); cursor: pointer; }
.demo-options .field { padding-top: var(--space-sm); }
.empty { padding: var(--space-xl) var(--space-input); }
.empty p, .task-row p { font-size: 13px; }
.empty .icon { margin-bottom: var(--space-input); }
.task-row { padding: var(--space-control) 0; }
.task-code { font-size: 12px; }
.service-list { gap: var(--space-input); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.service-choice { padding: var(--space-md); gap: var(--space-input); border-color: var(--color-clear); border-radius: var(--radius-tile); }
.service-choice .service-symbol { width: 40px; height: 40px; color: var(--color-muted); background: var(--color-soft); border-radius: var(--radius-sm); }
.service-choice[aria-pressed=true] .service-symbol { color: var(--color-accent); background: var(--color-accent-soft); }
.service-choice strong { font-size: 15px; font-weight: 500; }
.service-choice small { font-size: 12px; margin-top: var(--space-xs); }
.service-choice:hover { background: var(--color-soft); }
.service-choice[aria-pressed=true] { background: var(--color-accent-soft); border-color: var(--color-clear); }
.key-output { padding: var(--space-md); margin-top: var(--space-lg); border: 0; border-radius: var(--radius-tile); }
.key-output code { font-size: 15px; line-height: 1.6; margin: var(--space-input) 0 var(--space-md); }
.key-output .ghost { font-size: 13px; padding-inline: var(--space-sm); }
.list-panel { margin-top: var(--space-xl); }
table { font-size: 14px; }
td, th { padding: var(--space-md); }
td button { font-size: 13px; }
[data-copy] { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); min-width: 100px; }
[data-state=copied], .primary[data-state=copied] { background: var(--color-green-soft); color: var(--color-green); border-color: var(--color-green-soft); }
.key-mobile { padding: var(--space-control) 0; }
.key-mobile code { font-size: 14px; margin: var(--space-input) 0; }
footer { max-width: 1160px; padding: var(--space-lg) 0 var(--space-xl); margin: auto; border-top: 1px solid var(--color-border); font-size: 12px; }
#toast { left: 50%; border-radius: var(--radius-sm); padding: var(--space-input) var(--space-control); }
@media (min-width: 1600px) { .layout { grid-template-columns: minmax(0, 1fr) 340px; } }
@media (max-width: 1100px) {
  main { padding: var(--space-section) var(--space-xl); }
  .layout { grid-template-columns: minmax(0, 1fr) 300px; gap: var(--space-lg); }
  .panel { padding: var(--space-lg); }
  .key-panel { grid-template-columns: 200px minmax(0, 1fr); gap: 0 var(--space-lg); }
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .service-list { grid-template-columns: minmax(0, 1fr); }
  footer { margin-inline: var(--space-xl); }
}
@media (max-width: 900px) {
  .sidebar { grid-template-columns: auto minmax(0, 1fr) auto; padding: var(--space-md) var(--space-xl); gap: var(--space-md); }
  .brand { font-size: 24px; }
  .brand-mark { width: 40px; height: 40px; font-size: 26px; }
  nav { justify-self: center; }
  nav a { padding-inline: var(--space-md); }
  .layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .buyer-layout > .stack { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .sidebar { grid-template-columns: minmax(0, 1fr) auto; padding: var(--space-md) var(--space-control); gap: var(--space-md); }
  .brand { font-size: 24px; }
  .brand strong { font-size: 12px; }
  nav { grid-row: 2; grid-column: 1 / -1; width: 100%; }
  nav a { justify-content: center; flex: 1; }
  .sidebar-bottom { grid-row: 1; grid-column: 2; font-size: 12px; }
  main { padding: var(--space-xl) var(--space-control); }
  h1 { font-size: 28px; }
  h2 { font-size: 18px; }
  .page-head { display: block; margin-bottom: var(--space-lg); }
  .page-head p { font-size: 14px; }
  .page-head > .badge, .page-head > .btn { margin-top: var(--space-md); }
  .notice { padding: 0; margin-bottom: var(--space-lg); }
  .panel { padding: var(--space-control); }
  .key-panel { display: block; margin-bottom: var(--space-xl); }
  .key-panel > .panel-head { flex-direction: row; align-items: center; justify-content: space-between; margin-bottom: var(--space-md); gap: var(--space-sm); }
  .key-panel > label { font-size: 13px; }
  .key-panel .title { gap: var(--space-sm); }
  .key-panel h2 { font-size: 17px; }
  .key-panel .panel-head .title > .icon { width: 18px; height: 18px; }
  .inline-form { gap: var(--space-sm); }
  .inline-form button { min-width: 100px; font-size: 14px; padding-inline: var(--space-input); }
  .demo-keys { margin-top: var(--space-xs); }
  .demo-keys button { padding-inline: var(--space-sm); }
  .layout, .buyer-layout > .stack { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-input); }
  .service-heading { padding-bottom: var(--space-control); margin-bottom: var(--space-control); }
  .service-heading h2 { font-size: 21px; }
  .service-heading p { font-size: 13px; }
  .catalog-tools { margin-bottom: var(--space-md); gap: var(--space-sm); }
  .service-list { display: none; }
  .seller-select { display: grid; }
  .list-panel { margin-top: var(--space-lg); }
  footer { margin-inline: var(--space-control); padding: var(--space-control) 0 var(--space-xl); }
}
@media (max-width: 450px) {
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .inline-form { flex-wrap: wrap; }
  .inline-form input { flex-basis: 100%; }
  .inline-form button { width: 100%; }
  .catalog-tools { flex-wrap: wrap; }
  .catalog-tools .search { flex-basis: 100%; }
  .field-row { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .card-name { font-size: 13px; }
}
@media (hover: none) {
  button:hover, .catalog-card:hover, .service-choice:hover { background: var(--color-surface); }
  .primary:hover { background: var(--color-accent); }
  .ghost:hover, .demo-keys button:hover { background: var(--color-clear); }
  .catalog-card[aria-pressed=true], .service-choice[aria-pressed=true], .demo-keys button[aria-pressed=true] { background: var(--color-accent-soft); }
}

/* Keep form feedback and keyboard states clear without moving the layout. */
input, select, textarea { outline: 2px solid var(--color-clear); outline-offset: 1px; }
input:hover:not(:disabled), select:hover:not(:disabled), textarea:hover:not(:disabled) { border-color: var(--color-muted); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; }
input:active:not(:disabled), select:active:not(:disabled), textarea:active:not(:disabled) { background: var(--color-soft); }
[aria-invalid=true]:hover { border-color: var(--color-red); }
button:disabled, input:disabled, select:disabled, textarea:disabled { opacity: .55; }
nav a:active, .brand:active { opacity: .7; }
.demo-options summary:active { background: var(--color-soft); }
.key-output { padding: var(--space-lg) 0 0; border-top: 1px solid var(--color-border); border-radius: 0; background: var(--color-clear); }
.brand-mark { object-fit: contain; padding: var(--space-sm); }

/* Seller key management uses the existing palette and controls. */
.badge.disabled { color: var(--color-red); background: var(--color-red-soft); }
.seller-stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-md); margin: 0 0 var(--space-xl); }
.seller-stats > div { padding: var(--space-control); border: 1px solid var(--color-border); border-radius: var(--radius-tile); background: var(--color-surface); }
.seller-stats dt { color: var(--color-muted); font-size: 13px; }
.seller-stats dd { margin: var(--space-sm) 0 0; font-family: var(--font-display); font-size: 28px; font-weight: 700; line-height: 1.2; }
.key-generation { margin-top: var(--space-lg); }
.generation-feedback { margin-bottom: var(--space-input); font-size: 14px; color: var(--color-green); }
.generated-codes { height: 160px; margin-bottom: var(--space-md); font-family: var(--font-display); font-size: 13px; }
.key-filters { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-md); }
.key-filters .field { margin: 0; }
.key-filter-hint { margin: var(--space-input) 0 var(--space-lg); }
.key-created { display: block; margin: var(--space-xs) 0 var(--space-input); }
.key-note-form { display: flex; align-items: center; gap: var(--space-sm); min-width: 220px; }
.key-note-form input { font-size: 14px; }
.key-note-form button { flex-shrink: 0; font-size: 13px; }
.key-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-sm); min-width: 196px; }
.key-actions button { font-size: 13px; padding-inline: var(--space-input); }
@media (min-width: 701px) {
  .key-note-form { flex-direction: column; align-items: stretch; min-width: 160px; }
  .key-actions { width: 196px; }
}
@media (max-width: 700px) {
  .seller-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-input); margin-bottom: var(--space-lg); }
  .seller-stats > div:last-child { grid-column: 1 / -1; }
  .key-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-input); }
  .key-filters .field:first-child { grid-column: 1 / -1; }
  .key-management-head { flex-wrap: wrap; }
  .key-note-form { min-width: 0; margin-bottom: var(--space-input); }
  .key-actions { min-width: 0; }
}

.key-output .buyer-link-copy { margin-top: var(--space-input); }
.distribution-json { white-space: pre-wrap; overflow-wrap: anywhere; margin: var(--space-input) 0; padding: var(--space-md); background: var(--color-soft); border-radius: var(--radius-sm); font-size: 13px; }
.task-stat-strip { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-md) var(--space-xl); margin: 0 0 var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--color-border); }
.task-stat-strip > div { display: flex; align-items: center; gap: var(--space-sm); }
.task-stat-strip dt { color: var(--color-muted); font-size: 14px; }
.task-stat-strip dd { margin: 0; font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.task-progress { display: flex; align-items: center; gap: var(--space-sm); }
.task-details { margin-top: var(--space-input); }
.task-details summary { min-height: 44px; padding-block: var(--space-input); cursor: pointer; color: var(--color-accent); font-size: 14px; }
.task-details summary:active { background: var(--color-soft); }
.task-details dl { margin: 0 0 var(--space-md); }
.task-details dl > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: var(--space-input); padding-block: var(--space-sm); font-size: 14px; }
.task-details dt { color: var(--color-muted); }
.task-details dd { margin: 0; overflow-wrap: anywhere; }
.task-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-input); }
.task-actions button { font-size: 14px; }
button.danger { color: var(--color-red); border-color: var(--color-red); }
button.danger:hover:not(:disabled) { background: var(--color-red-soft); }
.task-retry-dialog { width: min(520px, calc(100% - 32px)); max-height: calc(100dvh - 32px); padding: var(--space-xl); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-ink); background: var(--color-surface); box-shadow: var(--shadow-panel); }
.task-retry-dialog::backdrop { background: var(--color-ink); opacity: .4; }
.task-retry-dialog .panel-head { gap: var(--space-sm); }
#retry-close { display: flex; align-items: center; justify-content: center; padding: var(--space-sm); min-width: 44px; min-height: 44px; }
.retry-explanation { margin: var(--space-md) 0; font-size: 14px; }
.task-retry-dialog .task-actions { justify-content: flex-end; }
@media (max-width: 700px) {
  .task-details dl > div { grid-template-columns: 88px minmax(0, 1fr); }
  .task-retry-dialog { padding: var(--space-control); }
}

/* Hallmark · seller: Workbench · nav: business side-rail · footer: compact status
 * audience: service merchants · use: manage keys, queue and API delivery
 * theme: existing mist blue · reference: https://www.antdv.com/
 * pre-emit critique: P4 H5 E4 S5 R5 V4
 */
.seller-mode { --radius-sm: 6px; --radius-md: 8px; --radius-tile: 8px; font-size: 14px; background: var(--color-soft); }
.seller-mode [hidden] { display: none !important; }
.seller-mode .sidebar { display: grid; grid-template-columns: minmax(0, 1fr) auto; padding: var(--space-md) var(--space-control); gap: var(--space-input); background: var(--color-surface); }
.seller-mode .brand { font-size: 22px; }
.seller-mode .brand-mark { width: 36px; height: 36px; padding: var(--space-xs); border-radius: var(--radius-sm); }
.seller-mode .brand strong { font-size: 11px; }
.seller-mode .sidebar nav { display: none; grid-column: 1 / -1; padding: var(--space-sm) 0 0; background: var(--color-clear); border-radius: 0; }
.seller-mode.admin-menu-open .sidebar nav { display: grid; }
.seller-mode nav a { justify-content: flex-start; border-radius: var(--radius-sm); color: var(--color-muted); font-size: 14px; }
.seller-mode nav a[aria-current] { color: var(--color-accent); background: var(--color-accent-soft); box-shadow: none; }
.seller-mode .sidebar-bottom { display: none; }
.seller-mode .shell { margin: 0; }
.seller-mode main { max-width: none; padding: 0 var(--space-control) var(--space-xl); min-height: calc(100dvh - 148px); }
.seller-mode .admin-topbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-sm); padding: var(--space-input) var(--space-control); margin: 0 calc(-1 * var(--space-control)) var(--space-lg); border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.admin-breadcrumb { display: flex; align-items: center; gap: var(--space-input); color: var(--color-muted); white-space: nowrap; font-size: 13px; }
.admin-breadcrumb strong { color: var(--color-ink); font-weight: 500; }
.admin-account { display: none; align-items: center; gap: var(--space-sm); color: var(--color-muted); }
.seller-mode button, .seller-mode .btn { min-height: 44px; padding: var(--space-sm) var(--space-input); border-radius: var(--radius-sm) !important; font-size: 13px; }
.seller-mode input, .seller-mode select, .seller-mode textarea { min-height: 44px; padding: var(--space-sm) var(--space-input); font-size: 14px; }
.seller-mode textarea { min-height: 112px; }
.seller-mode h1 { font-size: 24px; font-family: var(--font-body); font-weight: 700; }
.seller-mode h2 { font-size: 17px; font-family: var(--font-body); font-weight: 700; }
.seller-mode h3 { font-size: 14px; font-family: var(--font-body); }
.seller-mode .page-head { display: flex; flex-wrap: wrap; margin-bottom: var(--space-control); }
.seller-mode .page-head p { font-size: 13px; margin-top: var(--space-xs); }
.seller-mode .notice { margin-bottom: var(--space-md); padding: var(--space-input) var(--space-md); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.seller-mode .seller-stats { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); gap: 0; margin-bottom: var(--space-control); }
.seller-mode .seller-stats > div { border: 0; border-radius: 0; background: var(--color-clear); padding: var(--space-md) var(--space-control); }
.seller-mode .seller-stats dd { font-size: 26px; font-weight: 500; }
.seller-mode .panel { padding: var(--space-control); border-radius: var(--radius-md); box-shadow: none; }
.seller-mode .list-panel { margin-top: 0; }
.seller-mode .panel-head { flex-wrap: wrap; gap: var(--space-input); margin-bottom: var(--space-control); }
.seller-mode .field { margin-bottom: var(--space-md); gap: var(--space-sm); }
.seller-mode .key-filters { padding: var(--space-md); background: var(--color-soft); border-radius: var(--radius-sm); }
.seller-mode .key-filters .field { margin-bottom: 0; }
.seller-mode .table-wrap { border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.seller-mode table { font-size: 13px; }
.seller-mode th { background: var(--color-soft); font-weight: 500; color: var(--color-muted); padding: var(--space-input) var(--space-md); white-space: nowrap; }
.seller-mode td { padding: var(--space-input) var(--space-md); }
.seller-mode tbody tr:hover { background: var(--color-paper); }
.seller-mode .key-note-form { min-width: 144px; }
.seller-mode .key-actions { width: 176px; min-width: 176px; gap: var(--space-xs); }
.seller-mode .key-actions button { padding: var(--space-xs) var(--space-sm); border-color: var(--color-clear); color: var(--color-accent); background: var(--color-clear); font-size: 12px; }
.seller-mode .key-actions .danger { color: var(--color-red); }
.seller-mode .key-created { margin-bottom: 0; font-size: 11px; }
.seller-mode .service-heading h2 { font-size: 19px; }
.seller-mode .service-choice { border-radius: var(--radius-sm); padding: var(--space-input); }
.seller-mode .service-choice strong { font-size: 14px; }
.seller-mode .service-choice small { font-size: 12px; }
.seller-mode .service-symbol { width: 36px; height: 36px; border-radius: var(--radius-sm); }
.seller-mode .task-row { padding: var(--space-md); border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: var(--space-input); }
.seller-mode .task-row:last-child { margin-bottom: 0; }
.seller-mode .seller-task-row { position: relative; background: var(--color-surface); }
.seller-mode .task-details summary { font-size: 13px; }
.seller-mode .badge { border-radius: var(--radius-sm); font-size: 12px; padding: var(--space-xs) var(--space-sm); }
.seller-mode footer { max-width: none; margin: 0 var(--space-control); padding: var(--space-md) 0; border-top: 1px solid var(--color-border); font-size: 11px; }
.distribution-modes { display: flex; gap: var(--space-lg); border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-md); }
.seller-mode .distribution-modes button { border: 0; border-bottom: 2px solid var(--color-clear); border-radius: 0 !important; padding: var(--space-sm) 0; background: var(--color-clear); color: var(--color-muted); }
.seller-mode .distribution-modes button[aria-pressed=true] { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.distribution-notice { margin-bottom: var(--space-lg); padding: var(--space-input) var(--space-md); border-left: 3px solid var(--color-accent); background: var(--color-accent-soft); color: var(--color-ink); font-size: 13px; }
.distribution-config { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
.distribution-config textarea, .distribution-config input[readonly] { font-family: var(--font-display); font-size: 13px; }
.distribution-settings { margin: var(--space-md) 0; }
.distribution-settings > div { display: flex; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) 0; border-bottom: 1px solid var(--color-border); }
.distribution-settings dt { color: var(--color-muted); }
.distribution-settings dd { margin: 0; }
.distribution-endpoints { margin-top: var(--space-lg); border-top: 1px solid var(--color-border); }
.distribution-endpoints summary { cursor: pointer; padding: var(--space-md) 0; color: var(--color-accent); min-height: 44px; }
.endpoint-list > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-xs) var(--space-input); padding: var(--space-input) 0; border-bottom: 1px solid var(--color-border); }
.endpoint-list code { grid-column: 1; overflow-wrap: anywhere; font-size: 12px; color: var(--color-muted); }
.endpoint-list button { grid-column: 2; grid-row: 1 / 3; }
.seller-mode .distribution-record-head { padding-top: var(--space-lg); margin-top: var(--space-lg); border-top: 1px solid var(--color-border); }
@media (min-width: 48rem) {
  .seller-mode .seller-stats { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .seller-mode .seller-stats > div:last-child { grid-column: auto; }
  .seller-mode .seller-stats > div + div { border-left: 1px solid var(--color-border); }
  .seller-mode .key-note-form { flex-direction: row; }
  .seller-mode .key-actions button { min-height: 32px; }
  .seller-mode .key-filters { grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)); }
  .seller-mode .admin-account { display: flex; }
  .distribution-config { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 68.75rem) {
  .seller-mode .sidebar { position: fixed; inset: 0 auto 0 0; width: 220px; height: 100dvh; display: flex; flex-direction: column; align-items: stretch; padding: var(--space-lg) var(--space-md); border-right: 1px solid var(--color-border); border-bottom: 0; gap: var(--space-xl); }
  .seller-mode .brand { margin: 0 var(--space-sm); }
  .seller-mode .sidebar nav { display: grid; justify-self: auto; gap: var(--space-sm); padding: 0; }
  .seller-mode nav a { min-height: 44px; padding: var(--space-input) var(--space-md); }
  .seller-mode .sidebar-bottom { display: flex; margin-top: auto; justify-self: auto; background: var(--color-clear); font-size: 12px; padding: var(--space-sm); }
  #seller-menu-toggle { display: none; }
  .seller-mode .shell { margin-left: 220px; }
  .seller-mode main { padding-inline: var(--space-lg); }
  .seller-mode .admin-topbar { padding-inline: var(--space-lg); margin-inline: calc(-1 * var(--space-lg)); min-height: 64px; }
  .seller-mode .layout.seller-layout { grid-template-columns: minmax(0, 1fr) 360px; gap: var(--space-control); }
  .seller-mode .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-input); }
  .seller-mode #toast { left: calc(50% + 110px); }
}
@media (max-width: 47.99rem) {
  .seller-mode .key-actions { width: auto; min-width: 0; }
  .seller-mode .key-note-form { min-width: 0; }
  .seller-mode .admin-page-head { align-items: flex-start; }
  .seller-mode .admin-topbar > .task-actions { width: 100%; justify-content: space-between; }
  .seller-mode .panel { padding: var(--space-md); }
  .seller-mode .panel-head { align-items: flex-start; }
  .seller-mode .key-filters { padding: var(--space-input); }
  .seller-mode .seller-stats > div { padding: var(--space-input) var(--space-md); }
}
@media (max-width: 60rem) {
  .seller-mode .table-wrap { display: none; }
  .seller-mode .mobile-list { display: block; }
  .seller-mode .key-actions { width: auto; min-width: 0; }
  .seller-mode .key-actions button { min-height: 44px; }
  .seller-mode .key-note-form { min-width: 0; }
}