.pattern-library-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:2000}.pattern-library-panel{width:720px;height:520px;max-width:90vw;max-height:80vh;display:flex;flex-direction:column}.pattern-library-header{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated)}.pattern-library-header h2{margin:0;font-size:14px;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em}.pattern-library-close-btn{background:transparent;border:none;padding:6px;cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-md);transition:all .15s ease;display:flex;align-items:center;justify-content:center}.pattern-library-close-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.pattern-library-toolbar{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border-subtle)}.pattern-library-search{flex:1;display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color .15s ease}.pattern-library-search:focus-within{border-color:var(--accent)}.pattern-library-search svg{flex-shrink:0;color:var(--text-secondary)}.pattern-library-search input{flex:1;background:none;border:none;padding:0;outline:none;font-size:13px;color:var(--text-primary)}.pattern-library-search input::placeholder{color:var(--text-tertiary)}.pattern-library-actions{display:flex;align-items:center;gap:8px}.pattern-library-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);font-size:13px;color:var(--text-primary);cursor:pointer;transition:all .15s ease}.pattern-library-btn:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--border-strong)}.pattern-library-btn:disabled{opacity:.5;cursor:not-allowed}.pattern-library-btn.primary{background:var(--primary-bg);border-color:var(--primary-border);color:var(--primary)}.pattern-library-btn.primary:hover:not(:disabled){background:var(--primary-border)}.pattern-library-error{display:flex;align-items:center;justify-content:space-between;margin:12px 20px 0;padding:8px 12px;background:var(--danger-bg);border:1px solid var(--danger);border-radius:var(--radius-md);color:var(--danger);font-size:12px}.pattern-library-error button{background:none;border:none;padding:2px 6px;cursor:pointer;color:inherit;font-size:16px}.pattern-library-content{flex:1;overflow-y:auto;padding:20px}.pattern-library-loading,.pattern-library-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px;text-align:center;color:var(--text-secondary)}.pattern-library-empty svg{margin-bottom:16px;opacity:.5;color:var(--text-muted)}.pattern-library-empty h3{margin:0 0 8px;font-size:16px;font-weight:500;color:var(--text-primary)}.pattern-library-empty p{margin:0 0 16px;font-size:13px;color:var(--text-secondary)}.pattern-group{margin-bottom:24px}.pattern-group-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.pattern-group-count{padding:2px 8px;background:var(--bg-elevated);border-radius:12px;font-size:11px;color:var(--text-muted)}.pattern-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:12px}.pattern-grid-item{display:flex;flex-direction:column;align-items:center;padding:8px;background:var(--bg-secondary);border:1px solid transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all .15s ease}.pattern-grid-item:hover{background:var(--bg-tertiary);border-color:var(--border-subtle);transform:translateY(-2px);box-shadow:0 4px 12px #0003}.pattern-grid-item.selected{border-color:var(--primary);background:var(--primary-bg);box-shadow:0 0 0 1px var(--primary)}.pattern-thumbnail{width:80px;height:80px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-primary);border:1px solid var(--border-subtle)}.pattern-name{margin-top:8px;font-size:12px;color:var(--text-secondary);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.pattern-name-input{margin-top:8px;width:100%;padding:2px 4px;font-size:12px;text-align:center;background:var(--bg-primary);border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--text-primary);outline:none}.brush-library-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:2000}.brush-library-panel{width:760px;height:560px;max-width:92vw;max-height:84vh;display:flex;flex-direction:column}.brush-library-header{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated)}.brush-library-header h2{margin:0;font-size:14px;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em}.brush-library-close-btn{background:transparent;border:none;padding:6px;cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.brush-library-close-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.brush-library-toolbar{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border-subtle)}.brush-library-search{flex:1;display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md)}.brush-library-search:focus-within{border-color:var(--accent)}.brush-library-search input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-size:13px}.brush-library-actions{display:flex;align-items:center;gap:8px}.brush-library-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;cursor:pointer}.brush-library-btn:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--border-strong)}.brush-library-btn:disabled{opacity:.5;cursor:not-allowed}.brush-library-btn.primary{background:var(--primary-bg);border-color:var(--primary-border);color:var(--primary)}.brush-library-content{flex:1;overflow-y:auto;padding:20px}.brush-library-loading,.brush-library-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px;color:var(--text-secondary)}.brush-library-empty h3{margin:12px 0 8px;font-size:16px;color:var(--text-primary)}.brush-group{margin-bottom:20px}.brush-group-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.brush-group-header-main{display:flex;align-items:center;gap:8px;min-width:0}.brush-group-name{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brush-group-count{padding:2px 8px;background:var(--bg-elevated);border-radius:12px;font-size:11px;color:var(--text-muted)}.brush-group-icon-btn,.brush-group-toggle-btn{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer}.brush-group-icon-btn:hover:not(:disabled),.brush-group-toggle-btn:hover{border-color:var(--border-strong);color:var(--text-primary);background:var(--surface-hover)}.brush-group-icon-btn:disabled{opacity:.45;cursor:not-allowed}.brush-group-icon-btn.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}.brush-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:8px}.brush-grid-item{display:flex;flex-direction:column;align-items:center;padding:6px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-secondary);cursor:pointer}.brush-grid-item:hover{border-color:var(--accent);background:var(--bg-tertiary)}.brush-grid-item.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.brush-grid-thumb{width:48px;height:48px}.brush-grid-name{margin-top:4px;width:100%;font-size:10px;color:var(--text-secondary);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brush-library-error{display:flex;align-items:center;justify-content:space-between;margin:12px 20px 0;padding:8px 12px;background:var(--danger-bg);border:1px solid var(--danger);border-radius:var(--radius-md);color:var(--danger);font-size:12px}.brush-library-error button{background:none;border:none;color:inherit;cursor:pointer}.brush-library-notice{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin:12px 20px 0;padding:10px 12px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-primary);font-size:12px}.brush-library-notice-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.brush-library-notice-copy strong{font-size:12px;font-weight:600}.brush-library-notice-copy span{color:var(--text-secondary)}.brush-library-notice-detail{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-word}.brush-library-notice-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.brush-library-notice-dismiss{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px 6px}.brush-library-notice-restoring{border-color:var(--accent)}.brush-library-notice-persist-warning{border-color:var(--warning, #d0a000)}.brush-library-notice-restore-error,.brush-library-notice-origin-mismatch{border-color:var(--danger)}.brush-library-web-hint{padding:8px 20px 0;color:var(--text-secondary);font-size:12px}.brush-library-footer{display:flex;justify-content:flex-end;gap:16px;padding:10px 20px;border-top:1px solid var(--border-subtle);font-size:12px;color:var(--text-secondary)}