/*
 * 拼豆宇宙 UI Refresh
 * 仅覆盖视觉与响应式结构；不改变内容、状态、业务逻辑或交互语义。
 */

:root {
  --ui-page: #f6f3ee;
  --ui-surface: #fffdfb;
  --ui-surface-soft: #fbf8f5;
  --ui-surface-muted: #f2eeea;
  --ui-ink: #35292e;
  --ui-ink-soft: #685d61;
  --ui-muted: #8a7f82;
  --ui-line: #e7dde0;
  --ui-line-strong: #d9cdd1;
  --ui-brand: #a8345d;
  --ui-brand-dark: #842547;
  --ui-brand-soft: #f8e9ee;
  --ui-lavender: #b6a5d9;
  --ui-mint: #86c9c2;
  --ui-danger: #b63f50;
  --ui-radius-sm: 8px;
  --ui-radius-md: 12px;
  --ui-radius-lg: 18px;
  --ui-shadow-sm: 0 4px 16px rgba(53, 41, 46, .055);
  --ui-shadow-md: 0 14px 38px rgba(53, 41, 46, .075);
  --ui-focus: 0 0 0 3px rgba(168, 52, 93, .18);
}

html {
  min-width: 0;
  max-width: 100%;
  background: var(--ui-page);
}

body {
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--ui-ink);
  background: var(--ui-page);
  background-image: none;
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0;
  margin: 0 !important;
  padding-top: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100% !important;
  min-width: 0 !important;
  max-width: 100% !important;
  margin: 0 !important;
  min-height: 72px;
  height: auto !important;
  grid-template-columns: minmax(190px, auto) minmax(360px, 1fr) auto !important;
  gap: 20px !important;
  padding: 10px clamp(20px, 4vw, 64px) !important;
  border: 0 !important;
  border-bottom: 1px solid var(--ui-line) !important;
  border-radius: 0 !important;
  background: rgba(255, 253, 251, .96) !important;
  background-image: none !important;
  box-shadow: none !important;
  backdrop-filter: blur(16px);
}

.brand {
  min-width: 190px;
  gap: 11px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(53, 41, 46, .14);
  border-radius: 11px;
  background: #160f13;
  box-shadow: 0 6px 16px rgba(53, 41, 46, .12);
}

.brand strong {
  color: var(--ui-ink);
  font-size: 18px;
  letter-spacing: -.02em;
}

.brand small {
  color: var(--ui-muted);
  font-size: 12px;
}

.main-nav {
  justify-content: center;
  gap: 4px;
}

.nav-button,
.nav-subitem,
.button,
.icon-button,
.chip-button,
.option-button,
.admin-tab {
  border-radius: var(--ui-radius-sm);
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

.nav-button {
  min-height: 44px !important;
  height: auto !important;
  padding: 0 16px !important;
  border-radius: var(--ui-radius-sm) !important;
  color: var(--ui-ink-soft) !important;
}

.nav-button:hover {
  color: var(--ui-ink) !important;
  background: var(--ui-surface-soft) !important;
  background-image: none !important;
}

.nav-button.is-active {
  color: var(--ui-brand) !important;
  background: var(--ui-brand-soft) !important;
  background-image: none !important;
}

.nav-button::after {
  display: none;
}

.nav-submenu,
.top-user-popover,
.manual-toolbar-menu,
.manual-import-source-menu {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface);
  background-image: none;
  box-shadow: var(--ui-shadow-md);
}

.nav-subitem {
  padding: 12px;
}

.nav-subitem:hover,
.nav-subitem:focus-visible {
  background: var(--ui-brand-soft);
}

.topbar-tools {
  gap: 10px;
}

.top-search,
.search-input,
.select-input,
.number-input,
.text-input,
.settings-inline-select,
.settings-field input,
.settings-field select,
.settings-field textarea {
  border-color: var(--ui-line-strong);
  border-radius: var(--ui-radius-sm);
  color: var(--ui-ink);
  background: #fff;
  box-shadow: none;
}

.top-search {
  min-height: 42px;
}

.top-search:focus-within,
.search-input:focus,
.select-input:focus,
.number-input:focus,
.text-input:focus,
.settings-inline-select:focus,
.settings-field input:focus,
.settings-field select:focus,
.settings-field textarea:focus {
  border-color: var(--ui-brand);
  box-shadow: var(--ui-focus);
}

.button,
.admin-tab {
  min-height: 44px;
  border: 1px solid var(--ui-line-strong);
  color: var(--ui-ink);
  background: var(--ui-surface);
  background-image: none;
  box-shadow: none;
}

.button:hover,
.icon-button:hover,
.chip-button:hover,
.option-button:hover,
.admin-tab:hover {
  transform: none;
  border-color: #c9b9bf;
  color: var(--ui-ink);
  background: var(--ui-surface-soft);
  background-image: none;
  box-shadow: none;
}

.button.primary,
.home-actions .button.primary,
#view-my .profile-checkin-button {
  border-color: var(--ui-brand) !important;
  color: #fff !important;
  background: var(--ui-brand) !important;
  background-image: none !important;
  box-shadow: none !important;
}

.button.primary:hover,
.button.primary:not(:disabled):hover,
.home-actions .button.primary:not(:disabled):hover,
#view-my .profile-checkin-button:not(:disabled):hover {
  border-color: var(--ui-brand-dark) !important;
  color: #fff !important;
  background: var(--ui-brand-dark) !important;
  background-image: none !important;
  box-shadow: none !important;
}

.button.secondary {
  border-color: var(--ui-line-strong) !important;
  color: var(--ui-ink) !important;
  background: var(--ui-surface) !important;
  background-image: none !important;
  box-shadow: none !important;
}

.button.ghost {
  color: var(--ui-ink-soft);
  background: transparent;
}

.button.danger,
.settings-danger h3 {
  color: var(--ui-danger);
}

.button:focus-visible,
.nav-button:focus-visible,
.nav-subitem:focus-visible,
.icon-button:focus-visible,
.chip-button:focus-visible,
.option-button:focus-visible,
.profile-tab:focus-visible,
.generator-entry-card:focus-visible {
  outline: none;
  box-shadow: var(--ui-focus);
}

#mainContent {
  width: min(100%, 1520px) !important;
  max-width: 1520px !important;
  min-width: 0;
  margin: 0 auto;
  padding: clamp(18px, 2.5vw, 36px) clamp(16px, 3vw, 44px) 72px;
  zoom: 1 !important;
  transform: none !important;
}

.view,
.flow-grid,
.workbench-layout,
.profile-page-layout,
.messages-layout,
.settings-layout {
  min-width: 0;
}

.panel,
.generator-panel,
.preview-panel,
.workbench-main,
.messages-panel,
.community-panel,
.profile-hero-panel,
.profile-content-panel,
.profile-side-panel,
.settings-card,
.settings-nav {
  border: 1px solid var(--ui-line) !important;
  border-radius: var(--ui-radius-lg) !important;
  background: var(--ui-surface) !important;
  background-image: none !important;
  box-shadow: var(--ui-shadow-sm) !important;
}

.pill,
.entry-kicker,
.workbench-pick-tag,
.palette-brand-action,
.auth-pill {
  border: 1px solid #ecd2db;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
  background-image: none;
  font-weight: 700;
}

.home-cover {
  min-height: min(690px, calc(100dvh - 126px));
  grid-template-columns: minmax(420px, .95fr) minmax(420px, 1.05fr);
  gap: clamp(32px, 5vw, 84px);
  align-items: center;
  padding: clamp(52px, 7vw, 96px);
  border: 1px solid var(--ui-line) !important;
  border-radius: var(--ui-radius-lg) !important;
  background: var(--ui-surface) !important;
  background-image: none !important;
  background-size: auto !important;
  box-shadow: none !important;
  overflow: hidden;
}

.home-cover::before,
.home-cover::after {
  content: none;
}

.home-copy {
  z-index: 2;
  width: 100%;
  min-width: 0;
  max-width: 640px;
}

.home-copy h1 {
  max-width: 640px;
  margin: 22px 0 20px;
  color: var(--ui-ink);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: currentColor;
  font-size: clamp(46px, 5.5vw, 82px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.055em;
}

.home-copy p {
  max-width: 560px;
  color: var(--ui-ink-soft);
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.75;
}

.home-actions {
  gap: 12px;
  margin-top: 30px;
}

.home-actions .button {
  min-height: 50px;
  padding-inline: 22px;
}

.home-visual {
  min-width: 0;
  min-height: 500px;
  border: 0;
  border-radius: 0;
  background: transparent;
  background-image: none;
  box-shadow: none;
  overflow: visible;
}

.home-saturn-art {
  width: min(680px, 112%);
  max-width: none;
  filter: none;
}

.home-pixel-star {
  opacity: .38;
  animation: none;
}

.home-community-preview {
  margin-top: 20px;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-surface);
}

.home-section-head {
  gap: 24px;
}

.home-section-head h2 {
  max-width: 820px;
  color: var(--ui-ink);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.2;
}

.home-preview-grid,
.home-orbit-grid {
  gap: 14px;
}

.home-orbit-card,
.section-block,
.controls-panel,
.export-panel,
.share-panel,
.palette-lock,
.auth-gate,
.route-suggestion,
.profile-form,
.community-stats > div,
.beta-summary-card,
.insight-card,
.policy-card,
.tool-card {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface-soft);
  background-image: none;
  box-shadow: none;
}

.flow-grid {
  gap: 18px;
}

.generator-panel,
.preview-panel {
  overflow: clip;
}

#view-generate[data-active-stage="upload"] .flow-grid,
#view-generate[data-generator-mode="landing"][data-active-stage="upload"] .flow-grid {
  grid-template-columns: 1fr;
}

#view-generate[data-active-stage="settings"] .flow-grid {
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
}

#view-generate[data-generator-mode="manual"][data-active-stage="settings"] .flow-grid {
  grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
}

.stepper {
  gap: 6px;
  padding: 12px;
  border-bottom: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
}

.step {
  min-height: 42px;
  border-radius: var(--ui-radius-sm);
  color: var(--ui-muted);
}

.step.is-active {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}

.step.is-active::before,
.step.is-done::before {
  background: var(--ui-brand);
}

.section-block {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--ui-surface);
}

.generator-entry-block {
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 62px);
}

.creation-hub-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h1,
.section-heading h2,
.panel-head h1,
.panel-head h2,
.palette-toolbar h1,
.messages-head h1,
.community-head h1 {
  color: var(--ui-ink);
  letter-spacing: -.025em;
}

.section-heading p,
.panel-head p,
.palette-toolbar p,
.messages-head p,
.community-head p {
  color: var(--ui-ink-soft);
  line-height: 1.65;
}

.generator-entry-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.generator-entry-card,
.my-pattern-card,
.community-card,
.workbench-pick-card,
.palette-brand-card,
.palette-card,
.message-inbox-row,
.interaction-message,
.message-user-card,
.replace-color-card {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface);
  background-image: none;
  box-shadow: none;
}

.generator-entry-card {
  min-height: 360px;
  padding: 24px;
}

.generator-entry-card::before {
  height: 3px;
  background: var(--ui-brand);
}

.generator-entry-card:hover,
.generator-entry-card:focus-visible,
.my-pattern-card:hover,
.community-card:hover,
.workbench-pick-card:hover,
.palette-brand-card:hover,
.message-inbox-row:hover,
.interaction-message:hover,
.message-user-card:hover {
  border-color: #d6b7c2;
  background: var(--ui-surface);
  background-image: none;
  box-shadow: var(--ui-shadow-sm);
}

.generator-entry-card strong {
  color: var(--ui-ink);
  font-size: 26px;
}

.generator-entry-card small {
  color: var(--ui-ink-soft);
}

.generator-entry-card em,
.generator-entry-action {
  color: var(--ui-brand);
}

.generator-scene {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface-soft);
}

.generator-entry-tip,
.notice,
.access-note,
.readonly-banner {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-sm);
  color: var(--ui-ink-soft);
  background: var(--ui-surface-soft);
  background-image: none;
}

.upload-zone {
  border-color: var(--ui-line-strong);
  border-radius: var(--ui-radius-md);
  color: var(--ui-ink-soft);
  background: var(--ui-surface-soft);
  background-image: none;
}

.upload-zone:hover,
.upload-zone:focus-within {
  border-color: var(--ui-brand);
  background: var(--ui-brand-soft);
}

.settings-drawer,
.option-group {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface);
  background-image: none;
}

.settings-drawer > summary {
  border-bottom-color: var(--ui-line);
  background: var(--ui-surface-soft);
}

.settings-grid {
  gap: 12px;
}

.option-button.is-active,
.preset-row button.is-active,
.profile-tab.is-active,
.admin-tab.is-active {
  border-color: #ddb9c6;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}

.preview-panel {
  min-width: 0;
}

.preview-panel .panel-head {
  border-bottom: 1px solid var(--ui-line);
  background: var(--ui-surface);
}

.preview-card,
.pattern-preview-viewport,
.canvas-shell,
.message-thread,
.table-wrap {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-md);
  background-color: #f3efec;
  box-shadow: none;
}

.pattern-preview-viewport {
  min-width: 0;
  overflow: auto;
  overscroll-behavior: contain;
  background-image: none;
}

.manual-preview-stage {
  max-width: none;
}

.manual-floating-toolbar {
  border: 1px solid var(--ui-line-strong);
  border-radius: var(--ui-radius-md);
  background: rgba(255, 253, 251, .97);
  box-shadow: var(--ui-shadow-md);
}

.manual-toolbar-button {
  min-width: 42px;
  min-height: 42px;
  border-radius: var(--ui-radius-sm);
  color: var(--ui-ink-soft);
}

.manual-toolbar-button:hover,
.manual-toolbar-button:focus-visible,
.manual-toolbar-button.is-active {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}

.manual-toolbar-button.is-active {
  box-shadow: inset 3px 0 0 var(--ui-brand);
}

.manual-toolbar-separator {
  background: var(--ui-line);
}

.metric,
.stat-row,
.color-chip,
.palette-card {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-sm);
  background: var(--ui-surface-soft);
  background-image: none;
}

.metric strong {
  color: var(--ui-ink);
}

.workbench-layout {
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 310px);
}

.workbench-main {
  min-width: 0;
  overflow: clip;
}

.toolbar {
  gap: 10px;
  border-bottom: 1px solid var(--ui-line);
  background: var(--ui-surface);
}

.canvas-shell {
  min-width: 0;
  position: relative;
  overflow: auto;
  overscroll-behavior: contain;
  background: #f0ece9;
  background-image: none;
}

.workbench-exit-fullscreen {
  display: none;
}

.canvas-shell:fullscreen {
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: #f0ece9;
}

.canvas-shell:fullscreen .workbench-exit-fullscreen {
  min-height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 10px;
  background: rgba(36, 29, 34, .88);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 25, 31, .22);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  touch-action: manipulation;
}

.canvas-shell:fullscreen .workbench-exit-fullscreen:hover {
  background: rgba(36, 29, 34, .96);
}

.canvas-shell:fullscreen .workbench-exit-fullscreen:focus-visible {
  outline: 3px solid rgba(255, 255, 255, .88);
  outline-offset: 2px;
}

.canvas-shell:fullscreen .workbench-exit-fullscreen kbd {
  padding: 2px 5px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 5px;
  background: rgba(255, 255, 255, .12);
  color: inherit;
  font: inherit;
  font-size: 10px;
  font-weight: 700;
}

.color-filter-panel {
  border-color: var(--ui-line);
}

.workbench-missing-beads,
.workbench-missing-dropzone {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface-soft);
}

.profile-page-layout {
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  max-width: 1240px;
  margin: 0 auto;
}

.profile-cover-band,
.community-head,
.messages-head,
.palette-toolbar {
  background: var(--ui-surface-soft);
  background-image: none;
}

.profile-cover-band {
  height: 116px;
  border-bottom: 1px solid var(--ui-line);
}

.profile-stat-strip {
  border-color: var(--ui-line);
  background: var(--ui-surface);
}

.profile-tabbar {
  border-bottom: 1px solid var(--ui-line);
}

.profile-tab {
  min-height: 44px;
  color: var(--ui-muted);
}

.profile-tab.is-active::after {
  background: var(--ui-brand);
}

.messages-layout,
.community-layout {
  max-width: 1180px;
  margin-inline: auto;
}

.messages-panel {
  max-width: none;
}

.community-head,
.messages-head,
.palette-toolbar {
  padding: 22px 24px;
  border-bottom: 1px solid var(--ui-line);
}

.message-inbox-row {
  min-height: 76px;
}

.message-inbox-avatar,
.message-user-avatar {
  background: var(--ui-lavender);
  background-image: none;
}

.message-inbox-avatar.is-system {
  background: var(--ui-brand);
}

#view-palette > .panel,
#view-community .community-panel {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-sm);
  overflow: clip;
}

.palette-brand-grid,
.palette-group-list {
  gap: 12px;
}

.palette-brand-card {
  min-height: 98px;
}

.palette-brand-mark,
.workbench-pick-thumb,
.my-pattern-thumb,
.community-cover {
  box-shadow: none;
}

.settings-page {
  max-width: 1220px;
  padding: 12px 0 72px;
}

.settings-layout {
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
}

.settings-nav {
  top: 92px;
  padding: 8px;
}

.settings-nav button {
  border-radius: var(--ui-radius-sm);
  color: var(--ui-ink-soft);
}

.settings-nav button:hover {
  background: var(--ui-surface-soft);
}

.settings-nav button.is-active {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
  box-shadow: inset 3px 0 0 var(--ui-brand);
}

.settings-card {
  padding: 22px;
}

.settings-row,
.settings-preference-options,
.settings-session,
.settings-block,
.settings-share,
.settings-event,
.settings-notification-row,
.settings-about-entry {
  border-color: var(--ui-line);
}

.settings-preference-disclosure,
.settings-documents details {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius-md);
  background: #fff;
}

.settings-preference-disclosure[open] > summary,
.settings-preference-disclosure > summary:hover,
.settings-about-entry:hover {
  background: var(--ui-surface-soft);
}

.settings-switch input:checked + span {
  background: var(--ui-brand);
}

.modal-panel,
.toast {
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-md);
}

.modal-backdrop {
  background: rgba(35, 27, 31, .48);
}

.empty-state,
.profile-empty-state {
  border-color: var(--ui-line);
  background: var(--ui-surface-soft);
  background-image: none;
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: minmax(170px, auto) minmax(320px, 1fr) auto !important;
    padding-inline: 22px !important;
    gap: 12px !important;
  }

  .top-search {
    max-width: 190px;
  }

  .home-cover {
    min-height: 600px;
    grid-template-columns: minmax(360px, .95fr) minmax(340px, 1.05fr);
    padding: 48px;
  }

  #view-generate[data-active-stage="settings"] .flow-grid,
  #view-generate[data-generator-mode="manual"][data-active-stage="settings"] .flow-grid {
    grid-template-columns: minmax(270px, 320px) minmax(0, 1fr);
  }

  .workbench-layout {
    grid-template-columns: minmax(0, 1fr) 270px;
  }
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) 48px !important;
    min-height: 64px;
    padding: 8px 14px !important;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .mobile-nav-toggle {
    display: inline-flex !important;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    border: 0;
    border-radius: var(--ui-radius-sm);
    color: var(--ui-ink);
    background: transparent;
  }

  .mobile-nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: currentColor;
  }

  .main-nav,
  .topbar-tools {
    display: none !important;
    grid-column: 1 / -1;
    min-width: 0;
  }

  .topbar.is-mobile-open .main-nav,
  .topbar.is-mobile-open .topbar-tools {
    display: flex !important;
    width: 100%;
    flex-wrap: wrap;
  }

  .topbar.is-mobile-open {
    height: auto !important;
    align-items: center !important;
  }

  .topbar.is-mobile-open .main-nav {
    justify-content: flex-start !important;
    min-width: 0;
    flex-wrap: wrap !important;
    white-space: normal;
    padding-top: 8px;
    border-top: 1px solid var(--ui-line);
  }

  .topbar.is-mobile-open .topbar-tools {
    padding-top: 8px;
  }

  .topbar.is-mobile-open .top-search {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  #mainContent {
    padding: 16px 14px 56px;
  }

  .home-cover {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 42px 28px 28px;
  }

  .home-copy {
    max-width: 680px;
  }

  .home-copy h1 {
    max-width: 680px;
    font-size: clamp(42px, 9vw, 68px);
    text-wrap: wrap;
    overflow-wrap: anywhere;
  }

  .home-visual {
    min-height: 380px;
  }

  .home-saturn-art {
    width: min(650px, 105%);
  }

  #view-generate[data-active-stage="settings"] .flow-grid,
  #view-generate[data-generator-mode="manual"][data-active-stage="settings"] .flow-grid,
  .workbench-layout,
  .settings-layout {
    grid-template-columns: 1fr;
  }

  #view-generate[data-active-stage="settings"] .generator-panel {
    position: static;
    max-height: none;
  }

  .workbench-main,
  .preview-panel {
    min-height: 0;
  }

  .color-filter-panel {
    min-width: 0;
  }

  .settings-nav {
    position: static;
  }
}

@media (max-width: 640px) {
  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand strong {
    font-size: 16px;
  }

  #mainContent {
    padding-inline: 10px;
  }

  .home-cover,
  .panel,
  .generator-panel,
  .preview-panel,
  .workbench-main,
  .messages-panel,
  .profile-hero-panel,
  .profile-content-panel,
  .settings-card {
    border-radius: 14px;
  }

  .home-cover {
    gap: 26px;
    padding: 32px 20px 20px;
  }

  .home-copy h1 {
    margin: 18px 0 16px;
    font-size: clamp(36px, 12vw, 54px);
    line-height: 1.05;
    width: 100%;
    max-width: 100%;
    word-break: break-word;
  }

  .home-copy p {
    width: 100%;
    max-width: 100%;
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .home-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .home-actions .button {
    width: 100%;
    justify-content: center;
  }

  .home-visual {
    min-height: 260px;
    border-radius: 0;
  }

  .home-community-preview {
    padding: 20px;
  }

  .home-section-head {
    display: grid;
  }

  .generator-entry-block {
    padding: 26px 16px;
  }

  .generator-entry-grid {
    grid-template-columns: 1fr !important;
  }

  .generator-entry-tip {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
  }

  .generator-entry-card {
    min-height: 320px;
  }

  .crop-layout,
  .settings-grid,
  .settings-form-grid,
  .settings-meta-grid,
  .community-toolbar,
  .community-stats,
  .share-preview {
    grid-template-columns: 1fr;
  }

  .stepper {
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: thin;
  }

  .step {
    flex: 0 0 auto;
    min-width: 112px;
  }

  .preview-panel .panel-head,
  .toolbar,
  .palette-toolbar,
  .messages-head,
  .community-head {
    padding: 16px;
  }

  .toolbar,
  .tool-group {
    flex-wrap: wrap;
  }

  .pattern-preview-viewport,
  .canvas-shell,
  .table-wrap {
    max-width: 100%;
    overflow: auto;
  }

  .manual-floating-toolbar {
    max-height: calc(100dvh - 150px);
    overflow-y: auto;
  }

  .profile-stat-strip {
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: thin;
  }

  #view-my .profile-stat-strip {
    grid-template-columns: repeat(7, minmax(104px, 1fr)) !important;
  }

  #view-my .profile-stat-strip .profile-level-card {
    margin-left: 0;
    padding-inline: 14px;
  }

  #view-my .profile-level-content {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .profile-tabbar {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: thin;
  }

  .profile-tab {
    flex: 0 0 auto;
  }

  .settings-page {
    padding-top: 6px;
  }

  .settings-card {
    padding: 16px;
  }
}

/* Official transparent planet-and-wordmark lockup used by the global header. */
.topbar .brand {
  min-width: 164px;
  gap: 8px;
}

.topbar .brand .brand-logo {
  width: 42px !important;
  height: 42px !important;
  flex: 0 0 42px;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  filter: none !important;
  object-fit: contain !important;
  object-position: center !important;
  image-rendering: auto;
  transform: translateY(-2px);
}

.topbar .brand .brand-wordmark {
  display: block;
  width: 106px;
  height: 42px;
  flex: 0 0 106px;
  border: 0;
  background: transparent;
  object-fit: contain;
  object-position: left center;
  image-rendering: auto;
}

/*
 * Keep page content close to the sticky header and let manual creation use the
 * full content canvas. The manual settings panel is intentionally hidden, so a
 * two-column template would otherwise strand the preview in the 320px column.
 */
#mainContent {
  margin-top: 0 !important;
  padding-top: 12px;
}

.view {
  margin-top: 0;
}

#view-generate[data-generator-mode="manual"][data-active-stage="settings"] .flow-grid {
  width: 100%;
  grid-template-columns: minmax(0, 1fr) !important;
}

#view-generate[data-generator-mode="manual"][data-active-stage="settings"] .preview-panel {
  width: 100%;
  min-width: 0;
  max-width: none;
}

@media (min-width: 901px) and (max-height: 1100px) {
  #view-generate[data-generator-mode="landing"][data-active-stage="upload"] .generator-panel {
    padding: 28px 38px 24px;
  }

  #view-generate[data-generator-mode="landing"] .generator-entry-block {
    padding: 24px 30px 20px;
  }

  #view-generate[data-generator-mode="landing"] .creation-hub-heading {
    margin-bottom: 20px;
  }

  #view-generate[data-generator-mode="landing"] .generator-entry-card {
    min-height: 400px;
    padding: 20px;
    grid-template-rows: 160px auto minmax(68px, 1fr) auto;
  }

  #view-generate[data-generator-mode="landing"] .generator-scene {
    height: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-button,
  .nav-subitem,
  .button,
  .icon-button,
  .chip-button,
  .option-button,
  .admin-tab {
    transition: none;
  }
}

/* Homepage desktop shell: keep the full hero and community preview inside one viewport.
   Short or narrow screens retain natural document scrolling through the media-query fallback. */
@media (min-width: 901px) and (min-height: 640px) {
  body.home-route-active {
    height: 100dvh;
    min-height: 100dvh;
    overflow-y: hidden;
  }

  body.home-route-active .app-shell {
    height: 100dvh;
    min-height: 0;
    padding-bottom: 0 !important;
    display: grid;
    grid-template-rows: max-content minmax(0, 1fr);
  }

  body.home-route-active #mainContent {
    height: 100%;
    min-height: 0;
    padding-top: 12px;
    padding-bottom: 12px;
    overflow: hidden;
  }

  #view-home.is-active {
    height: 100%;
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr) 190px;
    gap: 12px;
    overflow: hidden;
  }

  #view-home .home-cover {
    height: 100%;
    min-height: 0;
    gap: clamp(28px, 4vw, 64px);
    padding: clamp(22px, 4dvh, 44px) clamp(42px, 4vw, 64px);
  }

  #view-home .home-copy {
    padding-block: 0;
  }

  #view-home .home-copy h1 {
    margin: 12px 0 10px;
    font-size: clamp(42px, 4.4vw, 68px);
    line-height: 1;
  }

  #view-home .home-copy p {
    margin-bottom: 0;
    font-size: clamp(15px, 1.25vw, 18px);
    line-height: 1.55;
  }

  #view-home .home-actions {
    margin-top: 18px;
  }

  #view-home .home-actions .button {
    min-height: 44px;
  }

  #view-home .home-visual {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  #view-home .home-saturn-art {
    width: min(600px, 100%);
    max-height: min(52dvh, 520px);
    object-fit: contain;
  }

  #view-home .home-community-preview {
    min-height: 0;
    margin-top: 0;
    padding: 12px 18px;
    overflow: hidden;
  }

  #view-home .community-unavailable-banner {
    min-height: 30px;
    margin-bottom: 6px;
    padding: 4px 10px;
  }

  #view-home .home-section-head {
    align-items: center;
    gap: 16px;
    margin-bottom: 6px;
  }

  #view-home .home-section-head h2 {
    max-width: none;
    margin-top: 1px;
    font-size: 20px;
    line-height: 1.25;
    white-space: nowrap;
  }

  #view-home .home-section-head .button {
    min-height: 34px;
    padding-inline: 14px;
  }

  #view-home .home-preview-grid {
    gap: 8px;
  }

  #view-home .home-preview-grid .empty-state {
    min-height: 44px;
    padding: 8px 12px;
  }

  #view-home .home-preview-card > div:not(.home-preview-thumb),
  #view-home .home-preview-card > span:not(.home-preview-thumb) {
    padding: 6px 8px 8px;
  }

  #view-home .home-preview-thumb {
    height: 72px;
  }
}

@media (min-width: 901px) and (min-height: 640px) and (max-height: 760px) {
  #view-home.is-active {
    grid-template-rows: minmax(0, 1fr) 180px;
  }

  #view-home .home-cover {
    padding-block: 20px;
  }

  #view-home .home-copy h1 {
    font-size: clamp(42px, 4.4vw, 56px);
  }

  #view-home .home-actions {
    margin-top: 14px;
  }

  #view-home .home-saturn-art {
    max-height: 320px;
  }
}

/* Creation hub desktop shell: the two choices, explanation and recent works share one viewport.
   Short or narrow screens keep natural document scrolling so no content is clipped. */
@media (min-width: 901px) and (min-height: 640px) {
  body.creation-hub-route-active {
    height: 100dvh;
    min-height: 100dvh;
    overflow-y: hidden;
  }

  body.creation-hub-route-active .app-shell {
    height: 100dvh;
    min-height: 0;
    padding-bottom: 0 !important;
    display: grid;
    grid-template-rows: max-content minmax(0, 1fr);
  }

  body.creation-hub-route-active #mainContent {
    height: 100%;
    min-height: 0;
    padding-top: 12px;
    padding-bottom: 12px;
    overflow: hidden;
  }

  body.creation-hub-route-active #view-generate.is-active,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .flow-grid,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-panel,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .section-block[data-stage="upload"] {
    height: 100%;
    min-height: 0;
  }

  body.creation-hub-route-active #view-generate.is-active {
    overflow: hidden;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .flow-grid {
    width: min(100%, 1220px);
    max-width: 1220px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-panel {
    padding: 0;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-block {
    height: 100%;
    min-height: 0;
    padding: 12px 20px;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: 8px;
    overflow: hidden;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .creation-hub-heading {
    gap: 4px;
    margin: 0 auto;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .creation-hub-heading h1 {
    font-size: clamp(30px, 4.4dvh, 42px);
    line-height: 1.08;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .creation-hub-heading p {
    line-height: 1.4;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-grid {
    width: min(100%, 1040px);
    height: 100%;
    min-height: 0;
    max-height: 400px;
    align-self: center;
    gap: 16px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card {
    height: 100%;
    min-height: 0;
    padding: 12px 16px;
    grid-template-rows: clamp(106px, 18dvh, 160px) auto auto minmax(0, 1fr) auto;
    gap: 6px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card::before {
    content: none !important;
    display: none !important;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-scene {
    height: 100%;
    min-height: 0;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card strong {
    font-size: clamp(22px, 2.8dvh, 26px);
    line-height: 1.15;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card small {
    min-height: 0;
    margin-top: 0;
    line-height: 1.45;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card em.generator-entry-action {
    margin-top: 0;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-tip {
    min-height: 44px;
    margin: 0 auto;
    padding: 8px 14px;
    display: grid;
    place-items: center;
    line-height: 1.4;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-strip {
    min-height: 0;
    margin-top: 0;
    padding: 8px 10px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-strip h2 {
    margin-bottom: 6px;
    font-size: 16px;
    line-height: 1.2;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-list {
    gap: 8px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-list a,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-list button {
    min-height: 52px;
    padding: 5px 7px;
    grid-template-columns: 46px minmax(0, 1fr);
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-list .home-preview-thumb {
    height: 40px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-recent-empty {
    min-height: 48px;
  }
}

/* Keep both creation entry paths in the same red-pink brand system. */
#view-generate[data-generator-mode="landing"] .generator-entry-card[data-generator-entry="manual"] > .generator-entry-badge.is-secondary,
#view-generate[data-generator-mode="landing"] .generator-entry-card[data-generator-entry="manual"] > em.generator-entry-action {
  color: var(--studio-brand, #a8345d);
}

#view-generate[data-generator-mode="landing"] .generator-entry-card[data-generator-entry="manual"] > em.generator-entry-action {
  border-color: var(--studio-brand, #a8345d);
  background-color: var(--studio-brand, #a8345d);
  color: #fffafc;
}

/* One-click creation is one workflow surface: stages must not become nested cards. */
#view-generate[data-generator-mode="auto"] .generator-panel,
#view-generate[data-generator-mode="auto"] .preview-panel {
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

/* Responsive safety: desktop entry pages must grow with their content.
   A fixed viewport grid is allowed to compress decoration, but never text or
   primary actions.  When width changes increase wrapping, the document can
   continue below the fold instead of clipping the card contents. */
@media (min-width: 901px) and (min-height: 640px) {
  body.home-route-active,
  body.creation-hub-route-active {
    height: auto;
    min-height: 100dvh;
    overflow-y: auto;
  }

  body.home-route-active .app-shell,
  body.creation-hub-route-active .app-shell {
    height: auto;
    min-height: 100dvh;
    display: block;
  }

  body.home-route-active #mainContent,
  body.creation-hub-route-active #mainContent {
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  body.home-route-active #view-home.is-active,
  body.creation-hub-route-active #view-generate.is-active,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .flow-grid,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-panel,
  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .section-block[data-stage="upload"] {
    height: auto;
    min-height: 0;
    overflow: visible;
  }

  body.home-route-active #view-home .home-cover,
  body.home-route-active #view-home .home-visual {
    height: auto;
    overflow: visible;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-block {
    height: auto;
    min-height: 0;
    grid-template-rows: auto auto auto auto;
    overflow: visible;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-grid {
    height: auto;
    max-height: none;
    align-self: stretch;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card {
    height: auto;
    min-height: 350px;
    grid-template-rows: auto auto auto minmax(3em, auto) auto;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-scene {
    height: 180px;
    min-height: 174px;
  }

  body.creation-hub-route-active #view-generate[data-generator-mode="landing"] .generator-entry-card small {
    min-height: 3em;
    overflow-wrap: anywhere;
  }
}