:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --border: #e5e7eb;
  --border-strong: #cfd5dd;
  --text: #111827;
  --muted: #6b7280;
  --primary: #1d4ed8;
  --primary-soft: #eaf1ff;
  --success: #0f766e;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei",
    sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select {
  font: inherit;
}

.shell {
  max-width: 1520px;
  margin: 0 auto;
  padding: 24px 22px 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.topbar-copy h1,
.results-toolbar h2,
.basket-header h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

.topbar-copy h1 {
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.08;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar-text {
  max-width: 680px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.topbar-stats {
  display: flex;
  gap: 12px;
}

.stat-card,
.controlbar,
.catalog-section,
.basket-panel,
.effect-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.stat-card {
  min-width: 136px;
  padding: 14px 16px;
}

.stat-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stat-card strong {
  font-size: 30px;
  letter-spacing: -0.03em;
  line-height: 1;
}

.controlbar {
  display: grid;
  grid-template-columns: minmax(280px, 1.5fr) repeat(3, minmax(0, auto)) auto;
  gap: 12px;
  padding: 14px;
  margin-bottom: 18px;
  align-items: end;
  background: var(--panel);
}

.search-field,
.compact-field {
  display: grid;
  gap: 8px;
}

.search-field span,
.compact-field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.search-field input,
.compact-field select {
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: white;
  color: var(--text);
  outline: none;
  transition:
    border-color 0.15s ease,
    background-color 0.15s ease,
    box-shadow 0.15s ease;
}

.search-field input:focus,
.compact-field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip,
.ghost-button,
.primary-button,
.icon-button {
  min-height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

.filter-chip,
.ghost-button,
.primary-button {
  padding: 0 14px;
}

.filter-chip.is-active {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
}

.primary-button {
  border-color: #111827;
  background: #111827;
  color: white;
}

.filter-chip:hover,
.ghost-button:hover,
.icon-button:hover {
  border-color: var(--border-strong);
  background: var(--panel-soft);
}

.primary-button:hover {
  background: #0f172a;
  border-color: #0f172a;
}

.ghost-button:disabled,
.primary-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.catalog-section,
.basket-panel {
  padding: 18px;
}

.results-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.results-toolbar p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.active-filter {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--panel-soft);
  color: #4b5563;
  font-size: 12px;
  border: 1px solid var(--border);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
}

.effect-card {
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: 440px;
  transition:
    border-color 0.15s ease,
    transform 0.15s ease,
    background-color 0.15s ease;
}

.preview-shell {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #ffffff;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.preview-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  color: var(--muted);
  pointer-events: none;
}

.preview-placeholder span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow);
}

.preview-shell[data-preview-active="1"] .preview-placeholder {
  opacity: 0;
  visibility: hidden;
}

.preview-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.effect-body {
  display: grid;
  gap: 10px;
  padding: 13px;
}

.effect-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.category-pill,
.variant-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.02em;
  border: 1px solid var(--border);
}

.category-pill {
  background: white;
  color: var(--primary);
  border-color: #dbe6ff;
}

.variant-pill {
  background: var(--panel-soft);
  color: var(--muted);
}

.effect-body h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.effect-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

.effect-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.text-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.text-link:hover {
  color: var(--primary);
  border-bottom-color: currentColor;
}

.basket-panel {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 14px;
  background: var(--panel);
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.basket-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.basket-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
}

.basket-actions,
.utility-panel {
  display: grid;
  gap: 10px;
}

.basket-command {
  display: grid;
  gap: 8px;
}

.basket-command span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.command-block {
  padding: 14px;
  border-radius: 12px;
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  line-height: 1.7;
  word-break: break-word;
}

.basket-list {
  display: grid;
  gap: 10px;
  max-height: none;
  overflow: visible;
}

.basket-item,
.basket-empty {
  padding: 12px;
  border-radius: 12px;
  background: white;
  border: 1px solid var(--border);
}

.basket-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.basket-item-copy h3,
.basket-item-copy p {
  margin: 0;
}

.basket-item-copy h3 {
  font-size: 14px;
}

.basket-item-copy p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.icon-button {
  padding: 0 12px;
  background: white;
  color: var(--muted);
  min-width: 38px;
}

.basket-empty {
  color: var(--muted);
  line-height: 1.7;
}

.empty-state {
  padding: 42px 24px;
  border-radius: 14px;
  border: 1px dashed var(--border-strong);
  background: #ffffff;
  text-align: center;
  color: var(--muted);
}

.empty-state h3 {
  margin: 0 0 8px;
  color: var(--text);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  min-width: 220px;
  max-width: calc(100vw - 48px);
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.98);
  color: var(--text);
  border: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .basket-panel {
    position: static;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 980px) {
  .topbar {
    flex-direction: column;
    align-items: start;
  }

  .controlbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    padding: 18px 12px 28px;
  }

  .topbar-stats {
    width: 100%;
  }

  .stat-card {
    flex: 1;
    min-width: 0;
  }

  .controlbar {
    gap: 10px;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }
}