:root{font-family:Segoe UI,Tahoma,sans-serif;color:#1d2939;background:#f8fafc}*{box-sizing:border-box}body{margin:0}.app{padding:16px}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.toolbar h1{margin:0;font-size:24px}.toolbar-actions{display:flex;gap:8px}.board-grid{display:grid;grid-template-columns:repeat(8,minmax(220px,1fr));gap:12px;overflow-x:auto;padding-bottom:8px}.column{background:#fff;border:1px solid #d0d5dd;border-radius:10px;min-height:70vh;padding:10px}.column-header{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}.column-header h2{margin:0;font-size:14px}.column-list{display:flex;flex-direction:column;gap:8px}.task-card{border:1px solid #d0d5dd;border-radius:8px;background:#fff;padding:10px;cursor:grab}.task-title{font-size:14px;line-height:1.35}.task-id{margin-top:6px;font-size:12px;color:#667085}.button{border:1px solid #d0d5dd;background:#fff;color:#1d2939;border-radius:8px;padding:6px 10px;cursor:pointer}.button:disabled{cursor:not-allowed;opacity:.5}.button-primary{background:#175cd3;color:#fff;border-color:#175cd3}.button-ghost{border:none;background:transparent}.input,.textarea{width:100%;border:1px solid #d0d5dd;border-radius:8px;padding:8px}.field-label{margin-top:12px;margin-bottom:6px;display:block;font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a59;display:flex;align-items:center;justify-content:center;padding:16px}.modal{width:min(600px,100%);background:#fff;border-radius:10px;border:1px solid #d0d5dd;padding:14px}.modal-large{width:min(900px,100%);max-height:90vh;overflow:auto}.modal-header{display:flex;justify-content:space-between;align-items:center}.modal-header h3{margin:0}.modal-actions{margin-top:12px;display:flex;justify-content:flex-end;gap:8px}.comment-list{margin-top:10px;display:flex;flex-direction:column;gap:8px}.comment{border:1px solid #eaecf0;background:#f8fafc;border-radius:8px;padding:8px;font-size:13px}.comment-head{font-size:12px;color:#667085;margin-bottom:4px}.muted{color:#667085;margin:0}.error-banner{margin-bottom:12px;border:1px solid #fecdca;background:#fef3f2;color:#b42318;border-radius:8px;padding:8px 10px}