*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#111;background:#e8e7e4;font-family:system-ui,sans-serif;font-size:14px}.app{grid-template-rows:48px 1fr;height:100vh;display:grid;overflow:hidden}.topbar{background:#fff;border-bottom:1px solid #0000002e;align-items:center;gap:1rem;padding:0 1.25rem;display:flex}.topbar h1{letter-spacing:-.01em;font-size:15px;font-weight:700}.topbar span{color:#555;font-size:12px;font-weight:400}.main{grid-template-columns:200px 1fr 220px;display:grid;overflow:hidden}.panel{background:#fff;border-right:1px solid #00000026;flex-direction:column;display:flex;overflow:hidden}.panel-right{border-left:1px solid #00000026;border-right:none}.panel-header{border-bottom:1px solid #0000001f;flex-shrink:0;padding:10px 12px 8px}.panel-title{text-transform:uppercase;letter-spacing:.08em;color:#222;font-size:11px;font-weight:700}.panel-header p{color:#666;margin-top:2px;font-size:11px}.panel-body{flex:1;padding:6px;overflow-y:auto}.word-item{cursor:pointer;-webkit-user-select:none;user-select:none;color:#222;border:1px solid #0000;border-radius:6px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:13px;font-weight:500;display:flex}.word-item:hover{background:#f0efec}.word-item.active{color:#0f4d8a;background:#ebf4fd;border-color:#93c2ef;font-weight:600}.dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.topic-item{cursor:pointer;-webkit-user-select:none;user-select:none;background:#f5f4f1;border:1px solid #0000001f;border-radius:6px;margin-bottom:5px;padding:8px 10px;font-size:12px}.topic-item:hover{background:#eeede9;border-color:#00000040}.topic-num{margin-bottom:3px;font-size:11px;font-weight:700}.topic-words{color:#444;font-size:11px;font-weight:500;line-height:1.5}.centre{background:#e8e7e4;flex-direction:column;display:flex;overflow:hidden}.plot-area{flex:1;min-height:0;position:relative}.plot-placeholder{pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:6px;display:flex;position:absolute;inset:0}.plot-placeholder-big{color:#777;font-size:13px;font-weight:600}.plot-placeholder-small{color:#999;font-size:12px}.loading-overlay{z-index:100;color:#555;background:#f5f3eee0;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:13px;display:flex;position:fixed;inset:0}.loading-spinner{border:3px solid #ddd;border-top-color:#946bd6;border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.info-bar{background:#fff;border-top:1px solid #00000021;flex-direction:column;flex-shrink:0;height:120px;display:flex;overflow:hidden}.info-bar-header{text-transform:uppercase;letter-spacing:.08em;color:#222;border-bottom:1px solid #0000001a;flex-shrink:0;align-items:center;gap:8px;padding:7px 12px 6px;font-size:11px;font-weight:700;display:flex}.selected-word-label{color:#0f4d8a;text-transform:none;letter-spacing:0;background:#ebf4fd;border-radius:5px;padding:2px 8px;font-size:11px;font-weight:600}.occurrence-list{flex-wrap:wrap;flex:1;align-content:flex-start;gap:5px;padding:6px 8px;display:flex;overflow-y:auto}.occ-chip{color:#222;cursor:default;white-space:nowrap;text-overflow:ellipsis;background:#f2f1ee;border:1px solid #00000021;border-radius:5px;max-width:320px;padding:3px 9px;font-size:11px;font-weight:500;overflow:hidden}.occ-chip:hover{border-color:#00000047}.occ-date{color:#555;margin-right:5px;font-size:10px;font-weight:700}.empty-state{color:#999;padding:8px 4px;font-size:12px;font-style:italic}