:root{--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-primary-light: #e0e7ff;--color-success: #10b981;--color-success-light: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-danger: #ef4444;--color-danger-light: #fee2e2;--color-bg: #f8fafc;--color-bg-card: #ffffff;--color-bg-sidebar: #1e293b;--color-text: #1e293b;--color-text-muted: #64748b;--color-text-light: #94a3b8;--color-text-inverse: #ffffff;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: 4px;--radius: 8px;--radius-lg: 12px;--radius-full: 9999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--sidebar-width: 260px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--color-bg-sidebar);color:var(--color-text-inverse);padding:var(--space-4);position:fixed;height:100vh;overflow-y:auto;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);margin-bottom:var(--space-6);font-size:1.25rem;font-weight:700}.sidebar-nav{display:flex;flex-direction:column;gap:var(--space-1)}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius);color:var(--color-text-light);text-decoration:none;transition:all .2s}.nav-item:hover,.nav-item.active{background:#ffffff1a;color:var(--color-text-inverse)}.nav-item.active{background:var(--color-primary)}.main-content{flex:1;margin-left:var(--sidebar-width);padding:var(--space-6)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-6)}.page-title{font-size:1.75rem;font-weight:700}.card{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:var(--space-6)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.card-title{font-size:1.125rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-4);margin-bottom:var(--space-6)}.stat-card{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:var(--space-5)}.stat-card .stat-value{font-size:2rem;font-weight:700;color:var(--color-primary)}.stat-card .stat-label{color:var(--color-text-muted);font-size:.875rem}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius);font-weight:500;font-size:.875rem;cursor:pointer;border:none;transition:all .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border-light)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{background:#dc2626}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;margin-bottom:var(--space-2);font-weight:500;font-size:.875rem}.form-input,.form-select,.form-textarea{width:100%;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:var(--space-3) var(--space-4);text-align:left;border-bottom:1px solid var(--color-border-light)}.table th{font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.table tr:hover{background:var(--color-bg)}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2);border-radius:var(--radius-full);font-size:.75rem;font-weight:500}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-primary{background:var(--color-primary-light);color:var(--color-primary)}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-green{background:var(--color-success)}.status-yellow{background:var(--color-warning)}.status-red{background:var(--color-danger)}.progress-bar{height:8px;background:var(--color-border-light);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:var(--color-primary);border-radius:var(--radius-full);transition:width .3s ease}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-6);max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;cursor:pointer;color:var(--color-text-muted)}.modal-body{margin-bottom:var(--space-4)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-3);padding-top:var(--space-4);border-top:1px solid var(--color-border)}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:none;cursor:pointer;border-radius:var(--radius);color:var(--color-text-muted);transition:all .2s}.btn-icon:hover{background:var(--color-bg);color:var(--color-text)}.btn-text{background:none;border:none;cursor:pointer;font-size:inherit}.kanban-board{display:flex;gap:var(--space-4);overflow-x:auto;padding-bottom:var(--space-4)}.kanban-column{min-width:280px;background:var(--color-bg);border-radius:var(--radius-lg);padding:var(--space-4)}.kanban-column-header{font-weight:600;margin-bottom:var(--space-4);display:flex;align-items:center;gap:var(--space-2)}.kanban-card{background:var(--color-bg-card);border-radius:var(--radius);padding:var(--space-4);margin-bottom:var(--space-3);box-shadow:var(--shadow-sm);cursor:pointer;transition:box-shadow .2s}.kanban-card:hover{box-shadow:var(--shadow-md)}.risk-heatmap{display:grid;grid-template-columns:repeat(5,1fr);gap:2px}.heatmap-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;color:#fff}.heatmap-low{background:#22c55e}.heatmap-medium{background:#eab308}.heatmap-high{background:#f97316}.heatmap-critical{background:#ef4444}.tabs{display:flex;gap:var(--space-1);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-6)}.tab{padding:var(--space-3) var(--space-4);border:none;background:none;font-weight:500;color:var(--color-text-muted);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}.tab:hover{color:var(--color-text)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.mt-4{margin-top:var(--space-4)}.mb-4{margin-bottom:var(--space-4)}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:.875rem}.font-medium{font-weight:500}.piano-table-container{display:flex;flex-direction:column}.bulk-edit-bar{display:flex;justify-content:space-between;align-items:center;padding:var(--space-3);background:var(--color-primary-light);border-bottom:1px solid var(--color-border);font-size:.875rem}.piano-table-scroll{overflow-x:auto}.piano-table{width:100%;min-width:900px;border-collapse:collapse;font-size:.875rem}.piano-table th{text-align:left;padding:var(--space-3);background:var(--color-bg);border-bottom:2px solid var(--color-border);font-weight:600;font-size:.75rem;text-transform:uppercase;color:var(--color-text-muted);position:sticky;top:0}.piano-table td{padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border-light);vertical-align:middle}.task-row.selected{background-color:var(--color-primary-light)}.task-row.level-0{background-color:var(--color-bg);font-weight:500}.task-row:hover{background-color:var(--color-border-light)}.btn-expand{background:none;border:none;cursor:pointer;padding:2px;display:flex;color:var(--color-text-muted)}.btn-expand:hover{color:var(--color-primary)}.task-name.bold{font-weight:600}.editable-cell{cursor:pointer;padding:2px 4px;border-radius:var(--radius-sm);min-height:20px;display:inline-block}.editable-cell:hover{background-color:var(--color-primary-light)}.inline-edit-input{width:100%;padding:4px 8px;border:1px solid var(--color-primary);border-radius:var(--radius-sm);font-size:.875rem;outline:none}.note-cell{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-sm{padding:4px 8px;font-size:.75rem}.gantt-container{display:flex;flex-direction:column;height:100%;min-height:400px}.gantt-toolbar{display:flex;justify-content:space-between;align-items:center;padding:var(--space-3);border-bottom:1px solid var(--color-border);background:var(--color-bg)}.gantt-nav,.gantt-zoom{display:flex;gap:var(--space-1)}.gantt-chart{display:flex;flex:1;overflow:hidden}.gantt-tasks{width:200px;flex-shrink:0;border-right:2px solid var(--color-border);background:var(--color-bg-card)}.gantt-header-cell{height:40px;display:flex;align-items:center;padding:0 var(--space-3);background:var(--color-bg);border-bottom:2px solid var(--color-border);font-weight:600;font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase}.gantt-task-row{height:36px;display:flex;align-items:center;padding:0 var(--space-3);border-bottom:1px solid var(--color-border-light);cursor:pointer;font-size:.875rem}.gantt-task-row:hover{background:var(--color-border-light)}.gantt-task-row .task-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gantt-timeline-wrapper{flex:1;overflow-x:hidden}.gantt-timeline{position:relative;transition:transform .2s ease}.gantt-timeline-header{display:flex;background:var(--color-bg);border-bottom:2px solid var(--color-border);height:40px}.gantt-timeline-header .gantt-header-cell{justify-content:center;border-right:1px solid var(--color-border-light)}.gantt-bar-row{position:relative;height:36px;display:flex;border-bottom:1px solid var(--color-border-light)}.gantt-grid-cell{border-right:1px solid var(--color-border-light);flex-shrink:0}.gantt-bar{position:absolute;top:6px;height:24px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;padding:0 6px;overflow:hidden;transition:transform .1s,box-shadow .1s;z-index:1}.gantt-bar:hover{transform:scaleY(1.1);box-shadow:var(--shadow-md);z-index:2}.gantt-bar-label{color:#fff;font-size:.7rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 1px 2px rgba(0,0,0,.3)}.gantt-legend{display:flex;gap:var(--space-4);padding:var(--space-3);border-top:1px solid var(--color-border);background:var(--color-bg);font-size:.75rem;color:var(--color-text-muted)}.legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px;vertical-align:middle}.view-toggle{display:flex;gap:var(--space-1);background:var(--color-bg);padding:2px;border-radius:var(--radius);border:1px solid var(--color-border)}.view-toggle button{padding:var(--space-2) var(--space-3);border:none;background:transparent;border-radius:var(--radius-sm);cursor:pointer;font-size:.875rem;color:var(--color-text-muted);transition:all .2s}.view-toggle button.active{background:var(--color-primary);color:#fff}.view-toggle button:hover:not(.active){background:var(--color-border-light)}.color-bg-secondary{background-color:var(--color-bg)}.gantt-container{display:flex;flex-direction:column;height:100%;background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.gantt-toolbar{padding:var(--space-4);border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center}.gantt-nav,.gantt-zoom{display:flex;gap:var(--space-2)}.gantt-chart{display:flex;flex:1;overflow:hidden;position:relative}.gantt-tasks{width:250px;flex-shrink:0;border-right:1px solid var(--color-border);background:var(--color-bg);z-index:10;overflow-y:hidden}.gantt-task-row{height:40px;padding:0 var(--space-4);display:flex;align-items:center;border-bottom:1px solid var(--color-border-light);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gantt-task-row:hover{background:var(--color-bg-secondary)}.gantt-timeline-wrapper{flex:1;overflow:auto;position:relative}.gantt-timeline{position:relative;min-height:100%;display:flex;flex-direction:column}.gantt-timeline-header{display:flex;height:40px;background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:5}.gantt-header-cell{display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;color:var(--color-text-muted);border-right:1px solid var(--color-border);flex-shrink:0;height:40px;background:var(--color-bg-secondary)}.gantt-grid-cell{height:40px;border-right:1px solid var(--color-border-light);flex-shrink:0}.gantt-bar-row{display:flex;height:40px;position:relative;border-bottom:1px solid var(--color-border-light)}.gantt-bar{position:absolute;top:8px;height:24px;border-radius:4px;display:flex;align-items:center;padding:0 var(--space-2);color:#fff;font-size:.75rem;white-space:nowrap;overflow:hidden;cursor:pointer;box-shadow:0 1px 2px #0000001a;transition:all .2s;z-index:2}.gantt-bar:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 2px 4px #0003}.gantt-bar-label{text-shadow:0 1px 1px rgba(0,0,0,.3)}.gantt-legend{padding:var(--space-4);background:var(--color-bg-secondary);border-top:1px solid var(--color-border);display:flex;gap:var(--space-6);font-size:.875rem}.legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:var(--space-2)}