:root{--bg: #f4f5f7;--panel: #ffffff;--border: #dfe1e6;--text: #172b4d;--text-muted: #5e6c84;--primary: #0052cc;--primary-hover: #0747a6;--danger: #de350b;--low: #36b37e;--medium: #ffab00;--high: #de350b}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.board{padding:24px;max-width:1400px;margin:0 auto}.board__header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}.board__header h1{margin:0;font-size:22px}.board__columns{display:flex;gap:16px;align-items:flex-start;overflow-x:auto;padding-bottom:12px}.column{background:var(--panel);border:1px solid var(--border);border-radius:8px;width:300px;min-width:300px;padding:12px;display:flex;flex-direction:column;gap:10px;transition:background-color .15s ease,border-color .15s ease}.column--drag-over{background:#e6f0ff;border-color:var(--primary)}.column__header{display:flex;justify-content:space-between;align-items:center}.column__header h3{margin:0;font-size:15px}.column__count{background:var(--bg);border-radius:12px;padding:2px 8px;font-size:12px;color:var(--text-muted)}.column__tasks{display:flex;flex-direction:column;gap:8px;min-height:40px}.column__empty{color:var(--text-muted);font-size:13px;text-align:center;padding:12px 0}.column__add-btn{background:none;border:none;color:var(--text-muted);text-align:left;padding:6px 4px;cursor:pointer;border-radius:4px;font-size:14px}.column__add-btn:hover{background:var(--bg);color:var(--text)}.task-card{background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:10px;display:flex;flex-direction:column;gap:6px;box-shadow:0 1px 2px #091e4214;cursor:grab}.task-card:active{cursor:grabbing}.task-card__header{display:flex;justify-content:space-between;align-items:center}.task-card__actions button{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:13px;padding:2px 4px}.task-card__actions button:hover{color:var(--text)}.task-card__title{margin:0;font-weight:500;font-size:14px}.task-card__desc{margin:0;font-size:12px;color:var(--text-muted)}.task-card__move{margin-top:4px;font-size:12px;padding:4px;border-radius:4px;border:1px solid var(--border)}.priority-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:10px;color:#fff}.priority-low{background:var(--low)}.priority-medium{background:var(--medium);color:#172b4d}.priority-high{background:var(--high)}.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.filter-bar__label{font-size:13px;color:var(--text-muted)}.filter-chip{border:1px solid var(--border);background:var(--panel);border-radius:14px;padding:4px 12px;font-size:13px;cursor:pointer}.filter-chip--active{background:var(--primary);color:#fff;border-color:var(--primary)}.board-status{padding:60px 20px;text-align:center;color:var(--text-muted)}.board-status--error{color:var(--danger)}.banner{padding:10px 14px;border-radius:6px;margin-bottom:16px;font-size:14px}.banner--error{background:#ffebe6;color:var(--danger);border:1px solid #ffbdad}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#091e4280;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--panel);border-radius:8px;padding:20px;width:380px;max-width:90vw}.modal h2{margin-top:0;font-size:17px}.modal form{display:flex;flex-direction:column;gap:12px}.modal label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.modal input,.modal textarea,.modal select{font-family:inherit;padding:8px;border:1px solid var(--border);border-radius:4px;font-size:14px;color:var(--text)}.form-error{color:var(--danger);font-size:13px;margin:0}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.modal-actions button{padding:8px 14px;border-radius:4px;border:1px solid var(--border);background:var(--panel);cursor:pointer;font-size:14px}.btn-primary{background:var(--primary)!important;color:#fff!important;border-color:var(--primary)!important}.btn-primary:hover{background:var(--primary-hover)!important}