:root{--bg-primary:#ffffff;--bg-secondary:#f5f5f5;--bg-card:#ffffff;--bg-hover:#f0f0f0;--text-primary:#242424;--text-secondary:#616161;--text-tertiary:#8a8a8a;--border-color:#e0e0e0;--accent:#0078d4;--accent-hover:#106ebe;--accent-light:#deecf9;--success:#107c10;--warning:#ffb900;--error:#d13438;--tag-bg:#e8e8e8;--tag-text:#424242;--shadow-card:0 1px 3px rgba(0,0,0,0.08);--radius:6px;--font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-primary:#1f1f1f;--bg-secondary:#292929;--bg-card:#2d2d2d;--bg-hover:#383838;--text-primary:#e0e0e0;--text-secondary:#a0a0a0;--text-tertiary:#707070;--border-color:#404040;--accent:#4da6ff;--accent-hover:#7dbdff;--accent-light:#1a3a5c;--tag-bg:#383838;--tag-text:#c0c0c0;--shadow-card:0 1px 3px rgba(0,0,0,0.3)}}:root[data-theme=dark]{--bg-primary:#1f1f1f;--bg-secondary:#292929;--bg-card:#2d2d2d;--bg-hover:#383838;--text-primary:#e0e0e0;--text-secondary:#a0a0a0;--text-tertiary:#707070;--border-color:#404040;--accent:#4da6ff;--accent-hover:#7dbdff;--accent-light:#1a3a5c;--tag-bg:#383838;--tag-text:#c0c0c0;--shadow-card:0 1px 3px rgba(0,0,0,0.3)}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--font-family);font-size:13px;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased}.taskpane{max-width:100%;padding:12px;min-height:100vh}.auth-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px 16px;text-align:center}.auth-container h2{font-size:16px;font-weight:600;margin-bottom:8px}.auth-container p{color:var(--text-secondary);font-size:12px;margin-bottom:20px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:12px;margin-bottom:8px;box-shadow:var(--shadow-card)}.card-header{gap:8px;margin-bottom:8px}.card-header,.card-icon{display:flex;align-items:center}.card-icon{width:32px;height:32px;border-radius:50%;background:var(--accent-light);color:var(--accent);justify-content:center;flex-shrink:0}.card-icon,.card-title{font-size:14px;font-weight:600}.card-title{color:var(--text-primary)}.card-row,.card-subtitle{font-size:12px;color:var(--text-secondary)}.card-row{display:flex;align-items:center;gap:6px;padding:3px 0}.card-row .label{color:var(--text-tertiary);min-width:50px}.section-header{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);padding:12px 0 6px;margin-bottom:8px}.list-item,.section-header{border-bottom:1px solid var(--border-color)}.list-item{padding:8px 0;font-size:12px}.list-item:last-child{border-bottom:none}.list-item-title{font-weight:500;color:var(--text-primary);margin-bottom:2px}.list-item-meta{color:var(--text-tertiary);font-size:11px;display:flex;gap:8px;flex-wrap:wrap}.tag{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:500;background:var(--tag-bg);color:var(--tag-text)}.tag-meeting{background:#e8f0fe;color:#1a73e8}.tag-call{background:#fce8e6;color:#d93025}.tag-email{background:#e6f4ea;color:#137333}.tag-note{background:#fef7e0;color:#b06000}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .tag-meeting{background:#1a3a5c;color:#8ab4f8}:root:not([data-theme=light]) .tag-call{background:#5c1a1a;color:#f28b82}:root:not([data-theme=light]) .tag-email{background:#1a3c2a;color:#81c995}:root:not([data-theme=light]) .tag-note{background:#5c4a1a;color:#fdd663}}:root[data-theme=dark] .tag-meeting{background:#1a3a5c;color:#8ab4f8}:root[data-theme=dark] .tag-call{background:#5c1a1a;color:#f28b82}:root[data-theme=dark] .tag-email{background:#1a3c2a;color:#81c995}:root[data-theme=dark] .tag-note{background:#5c4a1a;color:#fdd663}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 12px;border:none;border-radius:var(--radius);font-size:12px;font-weight:500;font-family:var(--font-family);cursor:pointer;transition:background .15s;text-decoration:none}.btn-primary{background:var(--accent);color:#ffffff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-hover)}.btn-sm{padding:4px 8px;font-size:11px}.btn-block,.input{width:100%}.input{padding:8px 10px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:13px;font-family:var(--font-family);background:var(--bg-card);color:var(--text-primary);outline:none;transition:border-color .15s}.input:focus{border-color:var(--accent)}.input-group{margin-bottom:12px}.input-label{display:block;font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:4px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 16px;color:var(--text-tertiary);font-size:12px}.spinner{width:24px;height:24px;border:2px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin-bottom:12px}@keyframes spin{to{transform:rotate(1turn)}}.error-box{background:#fdf2f2;border:1px solid var(--error);border-radius:var(--radius);padding:10px 12px;color:var(--error);font-size:12px;margin-bottom:8px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .error-box{background:#3d1f1f}}:root[data-theme=dark] .error-box{background:#3d1f1f}.empty-state{text-align:center;padding:24px 16px;color:var(--text-tertiary);font-size:12px}.empty-state-icon{font-size:32px;margin-bottom:8px;opacity:.5}.sig-form{display:flex;flex-direction:column;gap:8px}.sig-field{display:flex;align-items:flex-start;gap:6px;font-size:12px}.sig-field input[type=checkbox]{margin-top:3px;flex-shrink:0}.sig-field-label{min-width:60px;color:var(--text-tertiary);font-size:11px}.sig-field-value{color:var(--text-primary);flex:1 1}.sig-field-existing{color:var(--text-tertiary);font-size:11px;font-style:italic}.sig-diff{background:var(--accent-light);padding:1px 4px;border-radius:2px}.divider{height:1px;background:var(--border-color);margin:8px 0}.email-tabs{display:flex;gap:4px;padding:0 0 8px;overflow-x:auto;flex-wrap:wrap}.email-tab{padding:4px 8px;border-radius:12px;font-size:11px;cursor:pointer;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);white-space:nowrap;max-width:200px;overflow:hidden;text-overflow:ellipsis}.email-tab.active{background:var(--accent);color:#ffffff;border-color:var(--accent)}