.arcade-ui.app-shell{--ink-950:var(--game-background);--ink-900:var(--game-inset);--ink-850:var(--game-inset);--ink-800:var(--game-surface);--ink-700:var(--game-elevated);--ink-600:var(--game-border);--paper:var(--game-text);--paper-muted:var(--game-muted);--paper-dim:var(--game-muted);--gold:var(--game-accent);--gold-soft:var(--game-accent);--jade:var(--game-success);--jade-bright:var(--game-success);--line:var(--game-subtle);--line-strong:var(--game-border);background-image:none;background-color:var(--game-background)}.arcade-ui .topbar{background:var(--game-background);backdrop-filter:none;border-color:var(--game-border)}.arcade-ui .brand-seal{background:var(--game-accent);color:var(--game-onAccent);border-color:var(--game-accent);box-shadow:none;border-radius:8px}.arcade-ui .game-switcher{background:var(--game-inset);border-color:var(--game-border)}.arcade-ui .game-switcher button{min-height:44px;color:var(--game-muted)}.arcade-ui .game-switcher button.active{background:var(--game-surface);color:var(--game-accent);box-shadow:none}.arcade-ui :is(.analysis-card,.grid-board-card,.grid-settings-card,.control-card,.notation-card,.library-card,.review-card,.modal,.help-panel){background:var(--game-inset);border-color:var(--game-border);border-radius:12px;box-shadow:none}.arcade-ui :is(.player-strip,.grid-player-strip,.board-controls,.grid-board-toolbar){background:var(--game-surface);border-color:var(--game-border)}.arcade-ui :is(.primary-button,.start-game-button){background:var(--game-accent);border-color:var(--game-accent);color:var(--game-onAccent);box-shadow:none;border-radius:8px;min-height:44px}.arcade-ui :is(.secondary-button,.icon-button,.text-button){border-color:var(--game-border);min-height:44px}.arcade-ui .engine-badge{background:var(--game-inset);color:var(--game-success);border-color:var(--game-border)}.arcade-ui :is(.mode-chip,.board-size-picker button.active){background:var(--game-surface);color:var(--game-accent);border-color:var(--game-accent)}.arcade-ui :is(.grid-game-hero h1,.workspace-hero h1){letter-spacing:-.04em}.arcade-ui :is(.grid-game-hero p,.workspace-hero p){color:var(--game-muted)}.arcade-ui .main-nav.open{background:var(--game-surface)}.arcade-ui .modal-backdrop{backdrop-filter:none;background:#050912bb}.arcade-ui .grid-game-sidebar>section,.arcade-ui :is(.gomoku-timeline,.format-modal,.image-reference-card,.grid-draft-editor){background:var(--game-inset);border-color:var(--game-border);border-radius:12px;box-shadow:none}.arcade-ui :is(.grid-game-hero h1,.grid-status-card h2){font-family:var(--game-font);font-weight:600;letter-spacing:-.03em}.arcade-ui :is(.grid-game-hero p,.grid-status-card>p,.rule-check-row p){font-size:12px;line-height:1.75}.arcade-ui .rule-check-row b{font-size:13px}.arcade-ui .card-kicker{color:var(--game-muted);font-size:10px}.arcade-ui .grid-board-controls button{min-height:44px;border-radius:8px;background:var(--game-surface);border-color:var(--game-border);font-size:13px}.arcade-ui .grid-board-controls button:hover{border-color:var(--game-accent);color:var(--game-accent)}.arcade-ui .board-size-picker{border-radius:8px}.arcade-ui .board-size-picker button{min-height:40px;border-radius:6px;font-size:13px}.arcade-ui :is(.opening-card,.saved-game-list article,.help-modal,.image-position-editor,.review-banner){background:var(--game-inset);border-color:var(--game-border);box-shadow:none}.arcade-ui .opening-card:hover{background:var(--game-surface)}.arcade-ui .opening-card:before{background:var(--game-accent)}.arcade-ui :is(.library-hero h1,.library-section-heading h2,.opening-card h3,.modal-heading h2){font-family:var(--game-font);letter-spacing:-.035em}.arcade-ui :is(.library-hero p,.opening-summary,.help-steps p,.image-import-note p){color:var(--game-muted);font-size:12px;line-height:1.8}.arcade-ui .format-textarea textarea,.arcade-ui .library-toolbar .search-box input{background:var(--game-background);color:var(--game-text);border-color:var(--game-border);font-size:16px;border-radius:8px}.arcade-ui :is(.category-pills button,.format-tabs button,.card-load-button){min-height:44px}.arcade-ui .category-pills button.active{color:var(--game-accent);background:var(--game-surface);border-color:var(--game-accent)}.chess-room-links{padding:6px 24px;display:flex;gap:8px;flex-wrap:wrap;font-size:12px}.chess-room-links a{color:var(--game-accent,#e8bd76);min-height:44px;padding:8px;display:inline-flex;align-items:center;border:1px solid #34435a;border-radius:8px;text-decoration:none}@media(max-width:840px){.chess-room-links{padding:6px 12px}.app-shell .brand-copy b{font-size:16px}}