/* Global theme ownership.
   Loaded with the app shell so theme behavior never depends on opening Microscope. *//* App-wide black and white theme.
   User content such as imported images, card artwork, canvases, and editor content stays in its own colors. */html[data-theme-accent="black"]{color-scheme:light;--app-bg:#f4f4f4 !important;--bg:#f4f4f4 !important;--panel:rgba(255,255,255,0.96) !important;--panel-2:rgba(247,247,247,0.94) !important;--surface-raised:rgba(255,255,255,0.98) !important;--surface-muted:rgba(239,239,239,0.92) !important;--surface-elevated:#ffffff !important;--text:#111111 !important;--muted:#5a5a5a !important;--line:#cfcfcf !important;--card-border:#d7d7d7 !important;--accent:#111111 !important;--accent-2:#5a5a5a !important;--accent-soft:rgba(0,0,0,0.08) !important;--accent-strong:#000000 !important;--accent-shadow:rgba(0,0,0,0.16) !important;--accent-shadow-soft:rgba(0,0,0,0.08) !important;--accent-ring:rgba(0,0,0,0.20) !important;--study-accent:#111111 !important;--study-accent-2:#5a5a5a !important;--study-text:#ffffff !important;--study-shadow:rgba(0,0,0,0.16) !important;--input-bg:#ffffff !important;--input-bg-strong:#ffffff !important;--secondary-bg:#ffffff !important;--soft-bg:#f1f1f1 !important;--menu-bg:#ffffff !important;--tab-bg:#ffffff !important;--tab-text:#555555 !important;--subtle-bg:#f2f2f2 !important;--subtle-border:#d2d2d2 !important;--count-bg:#eeeeee !important;--count-text:#111111 !important;--hero-bg:linear-gradient(135deg, #070707 0%, #1f1f1f 48%, #4a4a4a 100%) !important;--hero-pill-bg:rgba(255,255,255,0.12) !important;--hero-pill-border:rgba(255,255,255,0.28) !important;--hero-mark-opacity:0.44 !important;--hero-mark-filter:grayscale(1) contrast(1.22) drop-shadow(0 0 18px rgba(255,255,255,0.12)) !important;--hero-mark-blend:screen !important;--theme-toggle-bg:rgba(255,255,255,0.92) !important;--theme-toggle-border:#cfcfcf !important;--theme-toggle-track:rgba(0,0,0,0.10) !important;--theme-toggle-thumb:#111111 !important;--theme-toggle-text:#111111 !important;--system-ambient-bg:#f4f4f4 !important;--system-ambient-panel:#ffffff !important;--system-ambient-border:#d4d4d4 !important;--system-toggle-track:rgba(0,0,0,0.10) !important;--danger-bg:#eeeeee !important;--danger-border:#b9b9b9 !important;--danger-text:#111111 !important;--good:#111111 !important;--good-bg:#f0f0f0 !important;--bad:#111111 !important;--bad-bg:#eeeeee !important;--warn:#111111 !important;--warn-bg:#f3f3f3 !important;--shadow:0 20px 52px rgba(0,0,0,0.18) !important;--modal-solid-bg:#f8f8f8 !important;--modal-solid-panel:#ffffff !important;--modal-solid-soft:#eeeeee !important;--modal-solid-strong:#ffffff !important;--select-bg-hover:#eeeeee !important;--select-border:#cfcfcf !important;--select-border-hover:#111111 !important;--select-focus-ring:rgba(0,0,0,0.18) !important;--button-hover:#2d2d2d !important;--button-secondary-hover:#eeeeee !important;--chip-bg:#f2f2f2 !important;--chip-border:#cfcfcf !important;--chip-text:#111111 !important;--type-slides-bg:#f2f2f2 !important;--type-slides-border:#cfcfcf !important;--type-slides-text:#111111 !important;--type-cards-bg:#f2f2f2 !important;--type-cards-border:#cfcfcf !important;--type-cards-text:#111111 !important;--tag-bg:#eeeeee !important;--tag-border:#c8c8c8 !important;--tag-text:#111111 !important;--tag-icon:#333333 !important;--pack-action-primary-bg:#111111 !important;--pack-action-primary-border:#111111 !important;--pack-action-primary-text:#ffffff !important;--pack-action-primary-complete-bg:#2d2d2d !important;--pack-pin-active-bg:#eeeeee !important;--pack-pin-active-border:#b9b9b9 !important;--pack-pin-active-text:#111111 !important}html[data-theme="dark"][data-theme-accent="black"]{color-scheme:dark;--app-bg:#050505 !important;--bg:#050505 !important;--panel:rgba(18,18,18,0.96) !important;--panel-2:rgba(26,26,26,0.92) !important;--surface-raised:rgba(24,24,24,0.96) !important;--surface-muted:rgba(32,32,32,0.92) !important;--surface-elevated:#171717 !important;--text:#f5f5f5 !important;--muted:#b8b8b8 !important;--line:#3a3a3a !important;--card-border:#303030 !important;--accent:#f5f5f5 !important;--accent-2:#a6a6a6 !important;--accent-soft:rgba(255,255,255,0.10) !important;--accent-strong:#ffffff !important;--accent-shadow:rgba(255,255,255,0.12) !important;--accent-shadow-soft:rgba(255,255,255,0.06) !important;--accent-ring:rgba(255,255,255,0.22) !important;--study-accent:#f5f5f5 !important;--study-accent-2:#a6a6a6 !important;--study-text:#050505 !important;--study-shadow:rgba(255,255,255,0.10) !important;--input-bg:#111111 !important;--input-bg-strong:#141414 !important;--secondary-bg:#171717 !important;--soft-bg:#1f1f1f !important;--menu-bg:#111111 !important;--tab-bg:#141414 !important;--tab-text:#cfcfcf !important;--subtle-bg:#1a1a1a !important;--subtle-border:#333333 !important;--count-bg:#232323 !important;--count-text:#f5f5f5 !important;--hero-bg:linear-gradient(135deg, #000000 0%, #171717 46%, #3a3a3a 100%) !important;--hero-pill-bg:rgba(255,255,255,0.08) !important;--hero-pill-border:rgba(255,255,255,0.20) !important;--theme-toggle-bg:rgba(18,18,18,0.92) !important;--theme-toggle-border:#373737 !important;--theme-toggle-track:rgba(255,255,255,0.10) !important;--theme-toggle-thumb:#f5f5f5 !important;--theme-toggle-text:#f5f5f5 !important;--system-ambient-bg:#050505 !important;--system-ambient-panel:#121212 !important;--system-ambient-border:#333333 !important;--system-toggle-track:rgba(255,255,255,0.10) !important;--danger-bg:#202020 !important;--danger-border:#505050 !important;--danger-text:#f5f5f5 !important;--good:#f5f5f5 !important;--good-bg:#202020 !important;--bad:#f5f5f5 !important;--bad-bg:#222222 !important;--warn:#f5f5f5 !important;--warn-bg:#1f1f1f !important;--shadow:0 24px 70px rgba(0,0,0,0.58) !important;--modal-solid-bg:#101010 !important;--modal-solid-panel:#171717 !important;--modal-solid-soft:#202020 !important;--modal-solid-strong:#0f0f0f !important;--select-bg-hover:#202020 !important;--select-border:#393939 !important;--select-border-hover:#f5f5f5 !important;--select-focus-ring:rgba(255,255,255,0.18) !important;--button-hover:#ffffff !important;--button-secondary-hover:#242424 !important;--chip-bg:#202020 !important;--chip-border:#3a3a3a !important;--chip-text:#f5f5f5 !important;--type-slides-bg:#202020 !important;--type-slides-border:#3a3a3a !important;--type-slides-text:#f5f5f5 !important;--type-cards-bg:#202020 !important;--type-cards-border:#3a3a3a !important;--type-cards-text:#f5f5f5 !important;--tag-bg:#202020 !important;--tag-border:#3a3a3a !important;--tag-text:#f5f5f5 !important;--tag-icon:#d0d0d0 !important;--pack-action-primary-bg:#f5f5f5 !important;--pack-action-primary-border:#f5f5f5 !important;--pack-action-primary-text:#050505 !important;--pack-action-primary-complete-bg:#d8d8d8 !important;--pack-pin-active-bg:#202020 !important;--pack-pin-active-border:#505050 !important;--pack-pin-active-text:#f5f5f5 !important}html[data-theme-accent="black"] body,html[data-theme-accent="black"][data-system="histology"] body,html[data-theme-accent="black"][data-system="anatomy"] body{background:linear-gradient(180deg, rgba(255,255,255,0.65), rgba(255,255,255,0) 28%),repeating-linear-gradient(0deg, rgba(0,0,0,0.018) 0 1px, transparent 1px 5px),var(--system-ambient-bg) !important}html[data-theme="dark"][data-theme-accent="black"] body,html[data-theme="dark"][data-theme-accent="black"][data-system="histology"] body,html[data-theme="dark"][data-theme-accent="black"][data-system="anatomy"] body{background:linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0) 30%),repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 5px),var(--system-ambient-bg) !important}html[data-theme-accent="black"] .hero,html[data-theme-accent="black"] .card,html[data-theme-accent="black"] .sidebar,html[data-theme-accent="black"] .main{border-color:var(--card-border) !important;box-shadow:var(--shadow) !important}/* Structural surfaces may stay elevated; desktop popup windows use the canonical flat frame. */html[data-theme-accent="black"] :is(
  .app-modal-card,
  .study-set-card,
  .settings-card,
  .author-profile-card,
  .current-user-profile-card,
  .app-prompt-card,
  .drive-import-chooser-card,
  .google-auth-modal,
  .study-profile-modal,
  .google-open-pack-restore-card
){border-color:var(--card-border) !important}@media (min-width: 761px){html[data-theme-accent="black"] :is(
    .app-modal-card,
    .study-set-card,
    .settings-card,
    .author-profile-card,
    .current-user-profile-card,
    .app-prompt-card,
    .drive-import-chooser-card,
    .google-auth-modal,
    .study-profile-modal,
    .google-open-pack-restore-card
  ){box-shadow:none !important}}html[data-theme-accent="black"] .hero{background:var(--hero-bg) !important;color:#ffffff !important}html[data-theme-accent="black"] .hero::before{background:linear-gradient(90deg, #000000, #ffffff, #000000) !important;opacity:0.20 !important}html[data-theme-accent="black"] .hero::after,html[data-theme-accent="black"] .gqb-logo-game-host,html[data-theme-accent="black"] .gqb-logo-game-panel,html[data-theme-accent="black"] .gqb-logo-game-dock{filter:grayscale(1) contrast(1.08) !important}html[data-theme-accent="black"] .hero p,html[data-theme-accent="black"] .pill{color:rgba(255,255,255,0.86) !important}html[data-theme-accent="black"] .card,html[data-theme-accent="black"] .sidebar,html[data-theme-accent="black"] .main{background-color:var(--system-ambient-panel) !important}html[data-theme-accent="black"] .tab.active,html[data-theme-accent="black"] .btn-primary,html[data-theme-accent="black"] .btn-study,html[data-theme-accent="black"] .empty-guide-step button,html[data-theme-accent="black"] .google-open-pack-restore-actions .btn-primary,html[data-theme-accent="black"] .shared-pack-actions .btn-primary,html[data-theme-accent="black"] .author-profile-pack-actions .btn-primary,html[data-theme-accent="black"] .current-user-shared-actions .btn-primary{background:var(--accent) !important;border-color:var(--accent) !important;color:var(--study-text) !important;box-shadow:none !important}html[data-theme="dark"][data-theme-accent="black"] .tab.active,html[data-theme="dark"][data-theme-accent="black"] .btn-primary,html[data-theme="dark"][data-theme-accent="black"] .btn-study,html[data-theme="dark"][data-theme-accent="black"] .empty-guide-step button,html[data-theme="dark"][data-theme-accent="black"] .google-open-pack-restore-actions .btn-primary,html[data-theme="dark"][data-theme-accent="black"] .shared-pack-actions .btn-primary,html[data-theme="dark"][data-theme-accent="black"] .author-profile-pack-actions .btn-primary,html[data-theme="dark"][data-theme-accent="black"] .current-user-shared-actions .btn-primary{color:#050505 !important}html[data-theme-accent="black"] .btn-secondary,html[data-theme-accent="black"] .btn-soft,html[data-theme-accent="black"] .tab,html[data-theme-accent="black"] .drive-import-file,html[data-theme-accent="black"] .study-set-list-item,html[data-theme-accent="black"] .shared-pack-card,html[data-theme-accent="black"] .current-user-shared-card,html[data-theme-accent="black"] .focus-process-row,html[data-theme-accent="black"] .google-open-pack-restore-option{background:var(--modal-solid-strong) !important;border-color:var(--line) !important;color:var(--text) !important;box-shadow:none !important}html[data-theme-accent="black"] .btn-secondary:hover,html[data-theme-accent="black"] .btn-soft:hover,html[data-theme-accent="black"] .tab:hover,html[data-theme-accent="black"] .drive-import-file:hover,html[data-theme-accent="black"] .drive-import-file:focus-visible,html[data-theme-accent="black"] .study-set-list-item:hover,html[data-theme-accent="black"] .study-set-list-item:focus-visible{background:var(--button-secondary-hover) !important;border-color:var(--accent) !important}html[data-theme-accent="black"] .study-set-list-item.active,html[data-theme-accent="black"] .study-set-list-item[aria-current="true"],html[data-theme-accent="black"] .shared-pack-card.is-active,html[data-theme-accent="black"] .current-user-shared-card.is-current,html[data-theme-accent="black"] .profile-avatar-choice.active,html[data-theme-accent="black"] .settings-theme-swatch.active{background:var(--accent-soft) !important;border-color:var(--accent) !important;outline-color:var(--accent-ring) !important}html[data-theme-accent="black"] input,html[data-theme-accent="black"] textarea,html[data-theme-accent="black"] select,html[data-theme-accent="black"] .search-box,html[data-theme-accent="black"] .google-drive-shared-link-input,html[data-theme-accent="black"] .anatomy-entry-field,html[data-theme-accent="black"] .study-set-search{background:var(--input-bg-strong) !important;border-color:var(--line) !important;color:var(--text) !important}html[data-theme-accent="black"] input:focus,html[data-theme-accent="black"] textarea:focus,html[data-theme-accent="black"] select:focus,html[data-theme-accent="black"] button:focus-visible,html[data-theme-accent="black"] [tabindex]:focus-visible{border-color:var(--accent) !important;outline-color:var(--accent-ring) !important;box-shadow:0 0 0 3px var(--accent-ring) !important}html[data-theme-accent="black"] .notice,html[data-theme-accent="black"] .library-notice,html[data-theme-accent="black"] .status-pill,html[data-theme-accent="black"] [data-tone],html[data-theme-accent="black"] .focus-process-card,html[data-theme-accent="black"] .hard-item-slot.is-import-progress,html[data-theme-accent="black"] .hard-item-slot.is-focus-notice{background:var(--modal-solid-soft) !important;border-color:var(--line) !important;color:var(--text) !important}html[data-theme-accent="black"] .focus-process-kicker,html[data-theme-accent="black"] .focus-process-row-label,html[data-theme-accent="black"] .focus-import-kicker,html[data-theme-accent="black"] .study-set-kicker,html[data-theme-accent="black"] .shared-pack-kicker,html[data-theme-accent="black"] .count,html[data-theme-accent="black"] .badge,html[data-theme-accent="black"] .count-pill{color:var(--accent-strong) !important;background:var(--accent-soft) !important;border-color:var(--line) !important}html[data-theme-accent="black"] .focus-process-track,html[data-theme-accent="black"] .focus-import-track,html[data-theme-accent="black"] progress{background:var(--surface-muted) !important;border-color:var(--line) !important}html[data-theme-accent="black"] .focus-process-track > span,html[data-theme-accent="black"] .focus-import-track span,html[data-theme-accent="black"] progress::-webkit-progress-value{background:var(--accent) !important}html[data-theme-accent="black"] .settings-theme-swatch[data-theme-accent="black"]{background:linear-gradient(135deg, #111111 0 48%, #ffffff 49% 100%) !important;border-color:var(--accent) !important}html[data-theme-accent="black"] .theme-toggle,html[data-theme-accent="black"] .library-selector-option,html[data-theme-accent="black"] .mobile-library-switch,html[data-theme-accent="black"] .mobile-library-option,html[data-theme-accent="black"] .library-selector-switch .mobile-switch-plate,html[data-theme-accent="black"] .library-selector-switch .mobile-switch-slot,html[data-theme-accent="black"] .library-selector-switch .mobile-switch-neck,html[data-theme-accent="black"] .library-selector-switch .mobile-switch-lever{filter:grayscale(1) !important}html[data-theme-accent="black"] #tab-import .import-card-icon{color:var(--accent-strong) !important;background:var(--surface-muted) !important;border-color:var(--line) !important}/* Google Drive keeps its official mark colors; only the surrounding UI tile is monochrome. */html[data-theme-accent="black"] #tab-import .import-card-icon-drive svg{filter:none !important}html[data-theme-accent="black"] .shared-pack-badge,html[data-theme-accent="black"] .drive-import-file-meta,html[data-theme-accent="black"] .settings-item-meta,html[data-theme-accent="black"] .muted,html[data-theme-accent="black"] .empty,html[data-theme-accent="black"] small{color:var(--muted) !important}html[data-theme-accent="black"] ::selection{background:var(--accent) !important;color:var(--study-text) !important}/* Complete the monochrome theme across UI chrome.
   Imported slides, editor canvases, and user-authored artwork remain unfiltered. */html[data-theme-accent="black"]{--range-track-color:#d6d6d6 !important;--range-fill-color:#111111 !important;--swatch-ring:#111111 !important;--anatomy-card-front-a:#f4f4f4 !important;--anatomy-card-front-b:#dedede !important;--anatomy-card-front-c:#c8c8c8 !important;--anatomy-card-back-a:#b5b5b5 !important;--anatomy-card-back-b:#888888 !important;--anatomy-card-ink:#111111 !important;--anatomy-card-muted-ink:rgba(0,0,0,0.68) !important;--anatomy-card-border:rgba(0,0,0,0.28) !important;--blue:#111111 !important;--red:#333333 !important;--yellow:#777777 !important;--green:#555555 !important;--ink:#111111 !important;--soft-blue:rgba(0,0,0,0.08) !important;--soft-line:rgba(0,0,0,0.18) !important}html[data-theme="dark"][data-theme-accent="black"]{--range-track-color:#3a3a3a !important;--range-fill-color:#f5f5f5 !important;--swatch-ring:#f5f5f5 !important;--anatomy-card-front-a:#343434 !important;--anatomy-card-front-b:#292929 !important;--anatomy-card-front-c:#1f1f1f !important;--anatomy-card-back-a:#202020 !important;--anatomy-card-back-b:#101010 !important;--anatomy-card-ink:#f5f5f5 !important;--anatomy-card-muted-ink:rgba(255,255,255,0.70) !important;--anatomy-card-border:rgba(255,255,255,0.26) !important;--blue:#f5f5f5 !important;--red:#d0d0d0 !important;--yellow:#a8a8a8 !important;--green:#c0c0c0 !important;--ink:#f5f5f5 !important;--soft-blue:rgba(255,255,255,0.10) !important;--soft-line:rgba(255,255,255,0.18) !important}html[data-theme-accent="black"] .flag-stat-img{filter:grayscale(1) contrast(1.08) !important}html[data-theme-accent="black"] .quiz-difficulty-control{background:var(--surface-muted) !important;border-color:var(--line) !important;box-shadow:none !important}html[data-theme-accent="black"] .quiz-difficulty-track{color:var(--muted) !important}html[data-theme-accent="black"] .quiz-difficulty-track::before{background:var(--accent) !important;border-color:var(--accent) !important;box-shadow:none !important}html[data-theme-accent="black"] .quiz-difficulty-control input[data-level="normal"] + .quiz-difficulty-track span:nth-child(1),html[data-theme-accent="black"] .quiz-difficulty-control input[data-level="high"] + .quiz-difficulty-track span:nth-child(2),html[data-theme-accent="black"] .quiz-difficulty-control input[data-level="strict"] + .quiz-difficulty-track span:nth-child(3){color:var(--study-text) !important}html[data-theme="dark"][data-theme-accent="black"] .quiz-difficulty-control{background:#181818 !important;border-color:rgba(255, 255, 255, 0.24) !important}html[data-theme="dark"][data-theme-accent="black"] .quiz-difficulty-track{color:rgba(245, 245, 245, 0.72) !important}html[data-theme="dark"][data-theme-accent="black"] .quiz-difficulty-option{color:rgba(245, 245, 245, 0.72) !important;box-shadow:none !important}html[data-theme="dark"][data-theme-accent="black"] .quiz-difficulty-option:hover,html[data-theme="dark"][data-theme-accent="black"] .quiz-difficulty-option:focus-visible{background:rgba(255, 255, 255, 0.10) !important;color:#ffffff !important}html[data-theme="dark"][data-theme-accent="black"] .quiz-difficulty-option.is-selected{background:#e8e8e8 !important;color:#111111 !important;font-weight:850 !important;box-shadow:inset 0 0 0 1px rgba(255, 255, 255, 0.22) !important}html[data-theme-accent="black"] .embedded-note-surface,html[data-theme-accent="black"] .study-timer-input,html[data-theme-accent="black"] .study-timer-preset,html[data-theme-accent="black"] .study-timer-btn.btn-secondary,html[data-theme-accent="black"] .study-set-top,html[data-theme-accent="black"] .study-set-list,html[data-theme-accent="black"] .study-set-detail,html[data-theme-accent="black"] .study-set-media,html[data-theme-accent="black"] #quizGroupSelect[multiple],html[data-theme-accent="black"] .empty-app-guide,html[data-theme-accent="black"] .empty-library-create-guide,html[data-theme-accent="black"] .empty-guide-step,html[data-theme-accent="black"] .drive-guide-step,html[data-theme-accent="black"] .drive-publish-toggle,html[data-theme-accent="black"] .drive-publish-link,html[data-theme-accent="black"] .shared-pack-author-preview,html[data-theme-accent="black"] .shared-pack-author-link,html[data-theme-accent="black"] .shared-pack-thumbs-btn,html[data-theme-accent="black"] .shared-pack-coffee-link,html[data-theme-accent="black"] .author-profile-bio,html[data-theme-accent="black"] .author-profile-pack-item,html[data-theme-accent="black"] .group-filter-card,html[data-theme-accent="black"] details{background:var(--modal-solid-panel) !important;border-color:var(--line) !important;color:var(--text) !important;box-shadow:none !important}html[data-theme-accent="black"] .study-set-list-code,html[data-theme-accent="black"] .group-filter-summary,html[data-theme-accent="black"] .empty-guide-kicker,html[data-theme-accent="black"] .shared-pack-kicker,html[data-theme-accent="black"] .author-profile-summary,html[data-theme-accent="black"] .current-user-profile-summary{color:var(--text) !important}html[data-theme-accent="black"] .disease-item.guided-sidebar-item,html[data-theme-accent="black"] .disease-item.active,html[data-theme-accent="black"] .disease-item.gold-selected,html[data-theme-accent="black"] .guided-sidebar-item.is-active,html[data-theme-accent="black"] .group-filter-card.active,html[data-theme-accent="black"] .group-filter-card[aria-pressed="true"]{background:var(--accent-soft) !important;border-color:var(--accent) !important;color:var(--text) !important;box-shadow:none !important}html[data-theme-accent="black"] .favorite-toggle,html[data-theme-accent="black"] .favorite-badge,html[data-theme-accent="black"] .star-picks-badge,html[data-theme-accent="black"] .shared-pack-system-badge,html[data-theme-accent="black"] .shared-pack-tag,html[data-theme-accent="black"] .profile-system-badge,html[data-theme-accent="black"] .drive-import-file-badge{background:var(--modal-solid-soft) !important;border-color:var(--line) !important;color:var(--text) !important;box-shadow:none !important}html[data-theme-accent="black"] .favorite-toggle.active,html[data-theme-accent="black"] .favorite-toggle[aria-pressed="true"]{background:var(--accent) !important;border-color:var(--accent) !important;color:var(--study-text) !important}html[data-theme-accent="black"] .microscope-tool-primary,html[data-theme-accent="black"] .microscope-import-button{background:var(--accent) !important;border-color:var(--accent) !important;color:var(--study-text) !important;box-shadow:none !important}html[data-theme-accent="black"] .microscope-slide-dot,html[data-theme-accent="black"] .microscope-slide-item.is-local-zif .microscope-slide-dot,html[data-theme-accent="black"] .microscope-slide-item.is-slide-package .microscope-slide-dot,html[data-theme-accent="black"] .microscope-slide-item.is-slide-json .microscope-slide-dot{background:var(--accent) !important;border-color:var(--accent) !important;box-shadow:none !important}html[data-theme-accent="black"] .microscope-slide-item[data-microscope-group="histology"] .microscope-slide-dot,html[data-theme-accent="black"] .microscope-slide-item[data-microscope-group="pathology"] .microscope-slide-dot,html[data-theme-accent="black"] .microscope-slide-item[data-microscope-group="embryology"] .microscope-slide-dot{background:var(--accent) !important;border-color:var(--accent) !important;box-shadow:0 0 0 5px var(--accent-soft) !important}html[data-theme-accent="black"] .microscope-slide-preview{background:var(--modal-solid-panel) !important;border-color:var(--line) !important;color:var(--text) !important;box-shadow:var(--shadow) !important}html[data-theme-accent="black"] .microscope-slide-preview-media{border-color:var(--line) !important;background:var(--surface-muted) !important}html[data-theme-accent="black"] .microscope-slide-preview-placeholder,html[data-theme-accent="black"] .microscope-slide-preview-copy strong{color:var(--text) !important}html[data-theme-accent="black"] .microscope-slide-preview-copy small{color:var(--muted) !important}html[data-theme-accent="black"] .microscope-slide-preview[data-state="error"] .microscope-slide-preview-placeholder{color:var(--text) !important;background:var(--surface-muted) !important}html[data-theme-accent="black"] .quiz-answer-guide,html[data-theme-accent="black"] .quiz-answer-hint,html[data-theme-accent="black"] .quiz-only-input[data-answer-state] .row::before,html[data-theme-accent="black"] .hard-item-slot.is-focus-notice-success,html[data-theme-accent="black"] .hard-item-slot.is-focus-notice-warning,html[data-theme-accent="black"] .hard-item-slot.is-focus-notice-error{background:var(--modal-solid-soft) !important;border-color:var(--line) !important;color:var(--text) !important}html[data-theme-accent="black"] .study-set-scrim,html[data-theme-accent="black"] .hard-card-scrim,html[data-theme-accent="black"] .modal-backdrop{background:rgba(0,0,0,0.72) !important}/* Neutral White theme.
   Subject/library colors may still identify actions and active controls, but they
   must not tint the page background, empty space, panels, menus, or form surfaces. */html[data-theme-accent="white"],html[data-theme-accent="white"][data-system="histology"],html[data-theme-accent="white"][data-system="anatomy"]{color-scheme:light;--app-bg:#ffffff !important;--bg:#ffffff !important;--panel:#ffffff !important;--panel-2:#ffffff !important;--surface-raised:#ffffff !important;--surface-muted:#f7f7f8 !important;--surface-elevated:#ffffff !important;--text:#111827 !important;--muted:#667085 !important;--line:#e2e4e9 !important;--card-border:#e3e5e9 !important;--input-bg:#ffffff !important;--input-bg-strong:#ffffff !important;--secondary-bg:#ffffff !important;--soft-bg:#f8f8f9 !important;--menu-bg:#ffffff !important;--tab-bg:#ffffff !important;--tab-text:#667085 !important;--subtle-bg:#f8f8f9 !important;--subtle-border:#e2e4e9 !important;--count-bg:#f1f2f4 !important;--count-text:#344054 !important;--theme-toggle-bg:#ffffff !important;--theme-toggle-border:#d9dce2 !important;--theme-toggle-track:#eceef1 !important;--theme-toggle-text:#111827 !important;--system-ambient-bg:#ffffff !important;--system-ambient-panel:#ffffff !important;--system-ambient-border:#e3e5e9 !important;--system-toggle-track:#eceef1 !important;--modal-solid-bg:#ffffff !important;--modal-solid-panel:#ffffff !important;--modal-solid-soft:#f5f5f6 !important;--modal-solid-strong:#ffffff !important;--select-bg-hover:#f4f4f5 !important;--select-border:#dfe2e7 !important;--button-secondary-hover:#f4f4f5 !important;--theme-control-bg:#ffffff;--theme-control-hover-bg:#f2f3f5;--theme-control-border:#d9dde3;--theme-control-hover-border:#aeb5bf;--theme-control-selected-bg:#e9ebee;--theme-control-selected-border:#687281;--theme-control-selected-ring:rgba(52,64,84,0.16);--quiz-action-bg:#4285f4;--quiz-action-hover:#669df6;--quiz-action-text:#ffffff;--starred-quiz-bg:#a16207;--starred-quiz-hover:#854d0e;--study-action-bg:#34a853;--study-action-hover:color-mix(in srgb, #34a853 78%, white 22%);--study-action-text:#ffffff;--pack-action-primary-bg:var(--theme-control-bg) !important;--pack-action-primary-border:var(--theme-control-border) !important;--pack-action-primary-text:var(--text) !important;--pack-action-primary-complete-bg:var(--theme-control-hover-bg) !important;--shadow:0 20px 56px rgba(16,24,40,0.12) !important}html[data-theme="dark"][data-theme-accent="white"],html[data-theme="dark"][data-theme-accent="white"][data-system="histology"],html[data-theme="dark"][data-theme-accent="white"][data-system="anatomy"]{color-scheme:dark;--app-bg:#101010 !important;--bg:#101010 !important;--panel:#171717 !important;--panel-2:#1b1b1b !important;--surface-raised:#1b1b1b !important;--surface-muted:#202020 !important;--surface-elevated:#1d1d1d !important;--text:#f5f5f5 !important;--muted:#b6b6b6 !important;--line:#383838 !important;--card-border:#343434 !important;--input-bg:#151515 !important;--input-bg-strong:#171717 !important;--secondary-bg:#1a1a1a !important;--soft-bg:#202020 !important;--menu-bg:#171717 !important;--tab-bg:#1a1a1a !important;--tab-text:#c7c7c7 !important;--subtle-bg:#1e1e1e !important;--subtle-border:#383838 !important;--count-bg:#262626 !important;--count-text:#f1f1f1 !important;--theme-toggle-bg:#171717 !important;--theme-toggle-border:#3a3a3a !important;--theme-toggle-track:#292929 !important;--theme-toggle-text:#f5f5f5 !important;--system-ambient-bg:#101010 !important;--system-ambient-panel:#171717 !important;--system-ambient-border:#343434 !important;--system-toggle-track:#292929 !important;--modal-solid-bg:#121212 !important;--modal-solid-panel:#191919 !important;--modal-solid-soft:#222222 !important;--modal-solid-strong:#171717 !important;--select-bg-hover:#242424 !important;--select-border:#3a3a3a !important;--button-secondary-hover:#252525 !important;--theme-control-bg:#1a1a1a;--theme-control-hover-bg:#282828;--theme-control-border:#3d3d3d;--theme-control-hover-border:#707070;--theme-control-selected-bg:#303030;--theme-control-selected-border:#b8b8b8;--theme-control-selected-ring:rgba(255,255,255,0.14);--quiz-action-bg:#4285f4;--quiz-action-hover:#669df6;--quiz-action-text:#ffffff;--starred-quiz-bg:#a16207;--starred-quiz-hover:#ca8a04;--study-action-bg:#34a853;--study-action-hover:color-mix(in srgb, #34a853 78%, white 22%);--study-action-text:#ffffff;--pack-action-primary-bg:var(--theme-control-bg) !important;--pack-action-primary-border:var(--theme-control-border) !important;--pack-action-primary-text:var(--text) !important;--pack-action-primary-complete-bg:var(--theme-control-hover-bg) !important;--shadow:0 24px 68px rgba(0,0,0,0.52) !important}html[data-theme-accent="white"] body,html[data-theme-accent="white"][data-system="histology"] body,html[data-theme-accent="white"][data-system="anatomy"] body{background:var(--system-ambient-bg) !important}html[data-theme-accent="white"] .card,html[data-theme-accent="white"] .sidebar,html[data-theme-accent="white"] .main,html[data-theme-accent="white"] .study-set-card,html[data-theme-accent="white"] .settings-card,html[data-theme-accent="white"] .author-profile-card,html[data-theme-accent="white"] .current-user-profile-card,html[data-theme-accent="white"] .app-prompt-card,html[data-theme-accent="white"] .drive-import-chooser-card,html[data-theme-accent="white"] .google-auth-modal,html[data-theme-accent="white"] .study-profile-modal,html[data-theme-accent="white"] .google-open-pack-restore-card{background-color:var(--system-ambient-panel) !important;border-color:var(--system-ambient-border) !important}html[data-theme-accent="white"] .embedded-note-surface,html[data-theme-accent="white"] .study-timer-input,html[data-theme-accent="white"] .study-timer-preset,html[data-theme-accent="white"] .study-timer-btn.btn-secondary,html[data-theme-accent="white"] .study-set-top,html[data-theme-accent="white"] .study-set-list,html[data-theme-accent="white"] .study-set-detail,html[data-theme-accent="white"] .study-set-media,html[data-theme-accent="white"] #quizGroupSelect[multiple],html[data-theme-accent="white"] .empty-app-guide,html[data-theme-accent="white"] .empty-library-create-guide,html[data-theme-accent="white"] .empty-guide-step,html[data-theme-accent="white"] .drive-guide-step,html[data-theme-accent="white"] .drive-publish-toggle,html[data-theme-accent="white"] .drive-publish-link,html[data-theme-accent="white"] .shared-pack-author-preview,html[data-theme-accent="white"] .shared-pack-author-link,html[data-theme-accent="white"] .author-profile-bio,html[data-theme-accent="white"] .author-profile-pack-item,html[data-theme-accent="white"] .group-filter-card,html[data-theme-accent="white"] details{background:var(--modal-solid-panel) !important;border-color:var(--line) !important;color:var(--text) !important}html[data-theme-accent="white"] input,html[data-theme-accent="white"] textarea,html[data-theme-accent="white"] select,html[data-theme-accent="white"] .search-box,html[data-theme-accent="white"] .study-set-search{background:var(--input-bg-strong) !important;border-color:var(--line) !important;color:var(--text) !important}/* White-theme control hierarchy.
   Use named action classes and known controls only; do not catch every button. */html[data-theme-accent="white"] :is(
  .btn-primary:not(.btn-study):not(.btn-danger),
  .btn-secondary,
  .btn-soft,
  a.btn-primary,
  a.btn-secondary,
  #newLibraryBtn,
  #sharePackBtn,
  #tab-import .import-card-primary,
  #tab-import .import-file-choose,
  #tab-import .drive-link-arrow,
  .shared-pack-author-link,
  .shared-pack-coffee-link
):not(.disabled):not(:disabled){background:var(--theme-control-bg) !important;background-image:none !important;border-width:1px !important;border-style:solid !important;border-color:var(--theme-control-border) !important;background-clip:padding-box !important;color:var(--text) !important;box-shadow:none !important}html[data-theme-accent="white"] :is(
  .btn-primary:not(.btn-study):not(.btn-danger),
  .btn-secondary,
  .btn-soft,
  a.btn-primary,
  a.btn-secondary,
  #newLibraryBtn,
  #sharePackBtn,
  #tab-import .import-card-primary,
  #tab-import .import-file-choose,
  #tab-import .drive-link-arrow,
  .shared-pack-author-link,
  .shared-pack-coffee-link
):not(.disabled):not(:disabled):hover{background:var(--theme-control-hover-bg) !important;border-color:var(--theme-control-hover-border) !important;color:var(--text) !important}html[data-theme-accent="white"] :is(
  .sort-option.active,
  .btn-primary.active:not(.btn-study):not(.btn-danger),
  .btn-secondary.active,
  .btn-soft.active,
  .study-timer-preset.active,
  .study-tool-btn.active
){background:var(--theme-control-selected-bg) !important;border-color:var(--theme-control-selected-border) !important;color:var(--text) !important;box-shadow:0 0 0 1px var(--theme-control-selected-ring) !important}html[data-theme-accent="white"] :is(
  .btn-primary:not(.btn-study):not(.btn-danger),
  .btn-secondary,
  .btn-soft,
  a.btn-primary,
  a.btn-secondary,
  #newLibraryBtn,
  #sharePackBtn,
  #tab-import .import-card-primary,
  #tab-import .import-file-choose,
  #tab-import .drive-link-arrow,
  .shared-pack-author-link,
  .shared-pack-coffee-link
):focus-visible{border-color:var(--theme-control-selected-border) !important;outline:2px solid var(--theme-control-selected-ring) !important;outline-offset:2px !important;box-shadow:0 0 0 1px var(--theme-control-selected-ring) !important}html[data-theme-accent="white"] #startQuizBtn,html[data-theme-accent="white"] #quizSetupStartBtn,html[data-theme-accent="white"] #quizStartBtn,html[data-theme-accent="white"] #quizCheckBtn,html[data-theme-accent="white"] #restartQuizRoundBtn{background:var(--quiz-action-bg) !important;border-color:var(--quiz-action-bg) !important;color:var(--quiz-action-text) !important}html[data-theme-accent="white"] #startQuizBtn:hover,html[data-theme-accent="white"] #quizSetupStartBtn:hover,html[data-theme-accent="white"] #quizStartBtn:hover,html[data-theme-accent="white"] #quizCheckBtn:hover,html[data-theme-accent="white"] #restartQuizRoundBtn:hover{background:var(--quiz-action-hover) !important;border-color:var(--quiz-action-hover) !important;color:var(--quiz-action-text) !important}html[data-theme-accent="white"] #startStarredQuizBtn{background:var(--starred-quiz-bg) !important;border-color:var(--starred-quiz-bg) !important;color:#ffffff !important}html[data-theme-accent="white"] #startStarredQuizBtn:hover{background:var(--starred-quiz-hover) !important;border-color:var(--starred-quiz-hover) !important;color:#ffffff !important}html[data-theme-accent="white"] #libraryStudyModeBtn,html[data-theme-accent="white"] #quizSetupStudyBtn,html[data-theme-accent="white"] #quizStudySetBtn,html[data-theme-accent="white"] #startStudyTimerBtn,html[data-theme-accent="white"] #repeatWrongQuizBtn,html[data-theme-accent="white"] #anatomyQuizRightBtn{background:var(--study-action-bg) !important;border-color:var(--study-action-bg) !important;color:var(--study-action-text) !important}html[data-theme-accent="white"] #libraryStudyModeBtn:hover,html[data-theme-accent="white"] #quizSetupStudyBtn:hover,html[data-theme-accent="white"] #quizStudySetBtn:hover,html[data-theme-accent="white"] #startStudyTimerBtn:hover,html[data-theme-accent="white"] #repeatWrongQuizBtn:hover,html[data-theme-accent="white"] #anatomyQuizRightBtn:hover{background:var(--study-action-hover) !important;border-color:var(--study-action-hover) !important;color:var(--study-action-text) !important}html[data-theme-accent="white"] #exitQuizBtn{color:var(--danger-text) !important;border-color:color-mix(in srgb, var(--danger-border) 72%, var(--line) 28%) !important;background:color-mix(in srgb, var(--danger-bg) 58%, var(--surface-raised) 42%) !important}html[data-theme-accent="white"] #exitQuizBtn:hover,html[data-theme-accent="white"] #exitQuizBtn:focus-visible{color:var(--danger-text) !important;background:color-mix(in srgb, var(--danger-bg) 76%, var(--surface-raised) 24%) !important;border-color:var(--danger-border) !important}html[data-theme-accent="white"] #exitQuizBtn.is-confirming-exit{color:#ffffff !important;background:color-mix(in srgb, var(--danger-text) 78%, var(--danger-bg) 22%) !important;border-color:color-mix(in srgb, var(--danger-text) 70%, var(--danger-border) 30%) !important}/* White dark-mode difficulty contrast refinements. */html[data-theme="dark"][data-theme-accent="white"] .quiz-difficulty-control{background:#171d26 !important;border-color:rgba(226, 232, 240, 0.30) !important;box-shadow:none !important}html[data-theme="dark"][data-theme-accent="white"] .quiz-difficulty-track{color:rgba(248, 250, 252, 0.72) !important}html[data-theme="dark"][data-theme-accent="white"] .quiz-difficulty-option{color:rgba(248, 250, 252, 0.72) !important;box-shadow:none !important}html[data-theme="dark"][data-theme-accent="white"] .quiz-difficulty-option:hover,html[data-theme="dark"][data-theme-accent="white"] .quiz-difficulty-option:focus-visible{background:rgba(255, 255, 255, 0.10) !important;color:#ffffff !important}html[data-theme="dark"][data-theme-accent="white"] .quiz-difficulty-option.is-selected{background:#d9e2ec !important;color:#111827 !important;font-weight:850 !important;box-shadow:inset 0 0 0 1px rgba(255, 255, 255, 0.24) !important}/* White light-mode contrast refinements. */html[data-theme="light"][data-theme-accent="white"]{--hero-bg:linear-gradient(135deg, var(--quiz-action-bg) 0%, #70a6cf 58%, #c6dfef 100%) !important;--hero-mark-opacity:0.84 !important;--hero-mark-filter:contrast(1.16) saturate(0.92) drop-shadow(0 5px 18px rgba(15,23,42,0.26)) !important;--hero-mark-blend:normal !important}html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-control{background:#f3f5f7 !important;border-color:#c7cdd6 !important}html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-track{color:#667085 !important}html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-track::before{background:#ffffff !important;border-color:#8f98a5 !important;box-shadow:none !important}html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-control input[data-level="normal"] + .quiz-difficulty-track span:nth-child(1),html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-control input[data-level="high"] + .quiz-difficulty-track span:nth-child(2),html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-control input[data-level="strict"] + .quiz-difficulty-track span:nth-child(3){color:#172033 !important;font-weight:900 !important}html[data-theme="light"][data-theme-accent="white"] .quiz-difficulty-control:focus-within{border-color:#8f98a5 !important;outline-color:rgba(71,85,105,0.16) !important}/* The dark White theme uses a quiet selected-entry state, not a bright white block. */html[data-theme="dark"][data-theme-accent="white"] .disease-item.active,html[data-theme="dark"][data-theme-accent="white"] .disease-item.active:hover{background:#252525 !important;border-color:#555555 !important;color:var(--text) !important;box-shadow:none !important;transform:none !important}html[data-theme="dark"][data-theme-accent="white"] .disease-item.gold-selected.active,html[data-theme="dark"][data-theme-accent="white"] .disease-item.gold-selected.active:hover{background:#272727 !important;border-color:#5c5c5c !important;color:var(--text) !important;box-shadow:inset 3px 0 0 rgba(202,138,4,0.62) !important;transform:none !important}/* Keep the Google-style avatar menu structure identical in every theme.
   Theme colors still come from the active token set; only layout and row
   treatment are standardized here. */.account-menu{width:min(370px, calc(100vw - 28px)) !important;padding:0 !important;overflow-x:hidden !important;border-radius:var(--app-radius-3, 12px) !important;background:var(--app-menu-solid-bg, #fff) !important;opacity:1 !important;-webkit-backdrop-filter:none !important;backdrop-filter:none !important;isolation:isolate !important}html[data-theme="dark"][data-theme-accent="black"]{--app-menu-solid-bg:#171717}html[data-theme="dark"][data-theme-accent="white"]{--app-menu-solid-bg:#1d1d1d}.account-menu-profile,.account-menu-section{background:transparent !important;box-shadow:none !important}.account-menu-profile{display:grid !important;grid-template-columns:68px minmax(0, 1fr) !important;gap:var(--app-space-4, 16px) !important;align-items:start !important;padding:var(--app-space-5, 20px) !important;border:0 !important;border-radius:0 !important}.account-menu-section{padding:0 !important;border:0 !important;border-top:1px solid var(--line) !important;border-radius:0 !important}.account-menu-profile-link,.account-menu-profile-link:hover,.account-menu-profile-link:focus-visible{width:auto !important;min-height:0 !important;margin-top:0 !important;padding:0 !important;border:0 !important;border-radius:6px !important;background:transparent !important;box-shadow:none !important;color:var(--accent-strong) !important;text-align:left !important}.account-menu-profile-actions{display:flex !important;flex-wrap:wrap !important;align-items:center !important;gap:10px 14px !important;margin-top:10px !important}.account-menu-profile-actions .account-menu-signout-link,.account-menu-profile-actions .account-menu-signout-link:hover,.account-menu-profile-actions .account-menu-signout-link:focus-visible{width:auto !important;min-height:0 !important;margin:0 !important;padding:0 !important;border:0 !important;border-radius:6px !important;background:transparent !important;box-shadow:none !important;color:var(--danger-text) !important;text-align:left !important}.account-menu-signout-link[hidden],.account-menu-admin[hidden]{display:none !important}.account-menu-item,.account-menu-item:active{display:grid !important;grid-template-columns:34px minmax(0, 1fr) auto !important;gap:var(--app-space-2, 8px) !important;align-items:center !important;width:100% !important;min-height:var(--app-ui-menu-item-height, 54px) !important;padding:8px var(--app-ui-control-padding-inline, 12px) !important;border:0 !important;border-radius:0 !important;background:transparent !important;background-image:none !important;box-shadow:none !important;color:var(--text) !important;text-align:left !important}.account-menu-item:hover,.account-menu-item:focus-visible{border:0 !important;background:color-mix(in srgb, var(--text) 7%, transparent 93%) !important;box-shadow:none !important;color:var(--text) !important;outline:none !important}.account-menu-item[data-account-menu-action="auth"]{color:color-mix(in srgb, var(--text) 84%, var(--accent) 16%) !important}.account-menu-item[data-auth-state="signed-in"]{color:var(--danger-text) !important}.account-menu-item.account-menu-signout-link{color:var(--danger-text) !important}.account-menu-item.account-menu-signout-link > svg{color:var(--danger-text) !important}.account-menu-item.account-menu-signout-link:hover,.account-menu-item.account-menu-signout-link:focus-visible{background:color-mix(in srgb, var(--danger-bg) 58%, var(--surface-raised) 42%) !important;color:var(--danger-text) !important;text-decoration:none !important}@media (max-width: 520px){.account-menu-profile{grid-template-columns:60px minmax(0, 1fr) !important;padding:16px !important}.account-menu-item{min-height:var(--app-ui-menu-item-height, 52px) !important;padding:8px var(--app-ui-control-padding-inline, 12px) !important}}/* Theme colors own the app shell.
   Slides and Cards must not impose one universal green or blue ambient color
   over Blue, Green, Amber, Yellow, or Rose themes. */html[data-system="histology"][data-theme-accent]:not([data-theme-accent="black"]):not([data-theme-accent="white"]),html[data-system="anatomy"][data-theme-accent]:not([data-theme-accent="black"]):not([data-theme-accent="white"]){--system-ambient-bg:color-mix(in srgb, var(--accent) 4%, #f8fbff 96%) !important;--system-ambient-panel:color-mix(in srgb, var(--accent) 5%, var(--panel) 95%) !important;--system-ambient-border:color-mix(in srgb, var(--accent) 17%, var(--card-border) 83%) !important;--system-toggle-track:color-mix(in srgb, var(--accent) 13%, rgba(15,23,42,0.08) 87%) !important}html[data-theme="dark"][data-system="histology"][data-theme-accent]:not([data-theme-accent="black"]):not([data-theme-accent="white"]),html[data-theme="dark"][data-system="anatomy"][data-theme-accent]:not([data-theme-accent="black"]):not([data-theme-accent="white"]){--system-ambient-bg:color-mix(in srgb, var(--accent-dark) 7%, #0a1426 93%) !important;--system-ambient-panel:color-mix(in srgb, var(--accent-dark) 8%, var(--panel) 92%) !important;--system-ambient-border:color-mix(in srgb, var(--accent-dark) 21%, var(--card-border) 79%) !important;--system-toggle-track:color-mix(in srgb, var(--accent-dark) 18%, rgba(148,163,184,0.14) 82%) !important}