:root{--bg: #15171c;--panel: #1d2028;--line: #2a2e38;--text: #e4e6eb;--dim: #8a8f9c;--accent: #5b9dff;--accent-dim: #345a8c;--ok: #4f9566;--err: #c96a5a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}#app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;border-bottom:1px solid var(--line);background:var(--panel)}.topbar-title{font-weight:700}.topbar-spacer{flex:1}.topbar-email{color:var(--dim);font-size:13px}.btn{background:transparent;border:1px solid var(--line);color:var(--text);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px}.btn:hover{border-color:var(--accent-dim)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#0c1420;font-weight:700}.btn-primary:hover{opacity:.9}.btn:disabled{opacity:.4;cursor:not-allowed}.gate{margin:auto;padding:32px;background:var(--panel);border:1px solid var(--line);border-radius:10px;max-width:360px;text-align:center}.gate input{width:100%;margin:6px 0;padding:8px 10px;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:5px}.gate-error{color:var(--err);font-size:13px;min-height:18px}.gate-actions{display:flex;gap:8px;margin-top:8px}.gate-actions .btn{flex:1}.workspace{display:flex;flex:1;min-height:0}.canvas-pane{flex:1;display:flex;align-items:center;justify-content:center;padding:20px;overflow:auto}.canvas-wrap{position:relative;line-height:0}.canvas-wrap img{max-width:80vw;max-height:80vh;display:block;-webkit-user-select:none;user-select:none}.canvas-wrap canvas{position:absolute;top:0;right:0;bottom:0;left:0;cursor:crosshair}.side-pane{width:320px;border-left:1px solid var(--line);background:var(--panel);padding:16px;display:flex;flex-direction:column;gap:14px;overflow-y:auto}.section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--dim)}.tag-input-row{position:relative}.tag-input-row input{width:100%;padding:8px 10px;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:5px;font-size:13px}.tag-suggestions{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--bg);border:1px solid var(--line);border-radius:6px;z-index:10;max-height:180px;overflow-y:auto}.tag-suggestions[hidden]{display:none}.tag-suggestion-item{padding:7px 10px;font-size:13px;cursor:pointer}.tag-suggestion-item:hover{background:var(--panel)}.tag-suggestion-item.create-new{color:var(--accent)}.pending-boxes,.existing-annotations{display:flex;flex-direction:column;gap:6px}.annotation-row{display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:6px 10px;font-size:13px}.annotation-row button{background:none;border:none;color:var(--dim);cursor:pointer;font-size:15px;line-height:1}.annotation-row button:hover{color:var(--err)}.empty-note{color:var(--dim);font-size:13px}.status-line{font-size:12px;color:var(--dim)}