:root{--bg-primary: #0f172a;--bg-surface: #1e293b;--bg-elevated: #334155;--text-main: #f8fafc;--text-muted: #94a3b8;--accent-blue: #38bdf8;--accent-yellow: #facc15;--danger: #f87171;--border-color: #334155;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0;width:100%;height:100%;background:var(--bg-primary);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Segoe UI,sans-serif;overflow:hidden;-webkit-user-select:none;user-select:none}.home-screen{height:100%;overflow-y:auto;display:flex;align-items:flex-start;justify-content:center;padding:calc(24px + var(--safe-top)) calc(16px + var(--safe-right)) calc(24px + var(--safe-bottom)) calc(16px + var(--safe-left))}.home-card{width:100%;max-width:640px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;padding:24px;box-shadow:0 20px 40px #00000059}.brand-header{display:flex;align-items:center;gap:16px;margin-bottom:20px}.brand-icon{width:52px;height:52px;border-radius:12px}.brand-header h1{margin:0 0 4px;font-size:1.35rem}.brand-subtitle{margin:0;font-size:.875rem;color:var(--text-muted)}.home-actions{margin-bottom:24px;display:flex;flex-direction:column;gap:16px}.preview-try-box{background:#38bdf814;border:1px solid rgba(56,189,248,.4);border-radius:12px;padding:16px}.preview-try-header{display:flex;align-items:center;gap:10px;margin-bottom:6px}.preview-badge{background:var(--accent-yellow);color:#422006;font-size:.75rem;font-weight:800;padding:3px 8px;border-radius:999px}.preview-try-desc{margin:0 0 14px;font-size:.86rem;color:var(--text-muted);line-height:1.5}.signed-in-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.btn-primary{background:var(--accent-blue);color:#082f49;font-weight:700;border:none;border-radius:10px;cursor:pointer}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-large{padding:12px 20px;font-size:1rem}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border-color);border-radius:10px;padding:10px 14px;cursor:pointer}.recent-section h2{font-size:1rem;margin:0 0 12px;color:var(--text-muted)}.recent-empty{color:var(--text-muted);font-size:.9rem}.recent-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.recent-item-btn{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:#0f172a99;border:1px solid var(--border-color);border-radius:10px;color:var(--text-main);cursor:pointer;text-align:left}.recent-item-btn:hover{border-color:var(--accent-blue)}.recent-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-meta{font-size:.8rem;color:var(--text-muted);flex-shrink:0;margin-left:12px}.app-shell{display:flex;flex-direction:column;width:100%;height:100%;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);padding-left:var(--safe-left);padding-right:var(--safe-right)}.viewer-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:var(--bg-surface);border-bottom:1px solid var(--border-color);z-index:20}.toolbar-left,.toolbar-center,.toolbar-right{display:flex;align-items:center;gap:6px}.doc-title{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;font-weight:600}.page-indicator{font-size:.82rem;color:var(--text-muted);background:var(--bg-primary);padding:4px 8px;border-radius:6px}.toolbar-btn,.mode-btn{background:var(--bg-primary);color:var(--text-main);border:1px solid var(--border-color);border-radius:8px;padding:6px 11px;font-size:.85rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.mode-btn.active{background:var(--accent-blue);color:#082f49;border-color:var(--accent-blue)}.mode-btn.marker-mode.active{background:var(--accent-yellow);color:#422006;border-color:var(--accent-yellow)}.marker-dot{width:10px;height:10px;border-radius:50%;background:#facc15;display:inline-block}.panel-toggle-btn.active{border-color:var(--accent-blue);color:var(--accent-blue)}.bg-scan-badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;padding:4px 10px;border-radius:999px;background:#38bdf826;color:var(--accent-blue)}.spinner-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-blue);animation:pulse 1s infinite ease-in-out}@keyframes pulse{0%,to{opacity:.35}50%{opacity:1}}.zoom-controls{display:inline-flex;align-items:center;gap:4px}.zoom-label{font-size:.8rem;min-width:44px;text-align:center}.workspace-split{flex:1;display:flex;min-height:0;position:relative}.viewer-pane{flex:1;min-width:0;height:100%;display:flex}.pdf-scroll-container{flex:1;height:100%;overflow:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;align-items:center;padding:16px 8px 48px;gap:16px}.pdf-page-frame{position:relative;background:#fff;box-shadow:0 8px 24px #00000073;flex-shrink:0}.pdf-page-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#64748b;font-weight:600}.side-panel{width:370px;max-width:100%;height:100%;background:var(--bg-surface);border-left:1px solid var(--border-color);display:flex;flex-direction:column;z-index:15}.side-panel-tabs{display:flex;align-items:center;border-bottom:1px solid var(--border-color);padding:6px 8px;gap:6px}.side-tab-btn{flex:1;padding:8px 10px;background:transparent;color:var(--text-muted);border:none;border-bottom:2px solid transparent;font-weight:600;cursor:pointer}.side-tab-btn.active{color:var(--text-main);border-bottom-color:var(--accent-blue)}.side-panel-close{background:transparent;color:var(--text-muted);border:none;font-size:1rem;padding:6px 10px;cursor:pointer}.side-panel-content{flex:1;overflow-y:auto;padding:12px}.annotation-list,.screenshot-list{display:flex;flex-direction:column;gap:12px}.annotation-card,.screenshot-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;padding:12px;cursor:pointer;transition:border-color .15s ease}.annotation-card.selected,.screenshot-card.copied{border-color:var(--accent-blue)}.card-header,.screenshot-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.page-badge{background:var(--bg-elevated);color:var(--text-main);font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:6px}.res-badge{font-size:.75rem;color:var(--accent-blue);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.status-pill{font-size:.74rem;padding:2px 8px;border-radius:999px}.status-pending,.status-processing{background:#facc152e;color:var(--accent-yellow)}.status-done{background:#38bdf829;color:var(--accent-blue)}.status-error{background:#f8717133;color:var(--danger)}.highlight-crop-preview{background:#fff;border-radius:6px;padding:4px;margin-bottom:8px;max-height:84px;overflow:hidden;display:flex;justify-content:center}.highlight-crop-preview img{max-width:100%;max-height:76px;object-fit:contain}.ocr-text{margin:0 0 10px;font-size:.92rem;line-height:1.5;white-space:pre-wrap;-webkit-user-select:text;user-select:text}.ocr-placeholder{margin:0 0 10px;font-size:.85rem;color:var(--text-muted);font-style:italic}.ocr-error-text{margin:0 0 10px;font-size:.85rem;color:var(--danger)}.ocr-edit-box textarea{width:100%;background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-color);border-radius:8px;padding:8px;font-size:.9rem;margin-bottom:6px}.ocr-edit-actions,.card-actions,.screenshot-card-footer{display:flex;flex-wrap:wrap;gap:6px}.btn-small{background:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-color);border-radius:6px;padding:5px 9px;font-size:.78rem;cursor:pointer}.btn-small.btn-primary{background:var(--accent-blue);color:#082f49;border-color:var(--accent-blue)}.btn-small.btn-danger{color:var(--danger)}.screenshot-hint{margin:0;font-size:.8rem;color:var(--text-muted)}.screenshot-grid{display:grid;grid-template-columns:1fr;gap:12px}.screenshot-thumb-wrap{position:relative;background:#fff;border-radius:8px;min-height:110px;max-height:220px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:8px}.screenshot-thumb-wrap img{max-width:100%;max-height:210px;object-fit:contain}.copied-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172ac7;color:var(--accent-blue);font-weight:700;display:flex;align-items:center;justify-content:center}.empty-list-state{text-align:center;padding:32px 16px;color:var(--text-muted)}.empty-title{font-weight:700;color:var(--text-main);margin-bottom:6px}.alert-banner.error{background:#f8717129;border:1px solid var(--danger);color:#fecaca;padding:10px 14px;border-radius:8px;margin:8px 12px;font-size:.86rem}@media(max-width:720px){.side-panel{position:absolute;left:0;right:0;bottom:0;width:100%;height:62%;border-left:none;border-top:1px solid var(--border-color);border-radius:16px 16px 0 0;box-shadow:0 -10px 30px #00000080}.doc-title{max-width:110px}}@media(horizontal-viewport-segments:2){.viewer-pane{width:env(viewport-segment-width 0 0,50%)}.side-panel{width:env(viewport-segment-width 1 0,50%)}}