*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-2: #21262d;--color-border: #30363d;--color-text: #e6edf3;--color-text-muted: #7d8590;--color-primary: #2f81f7;--color-primary-hover: #388bfd;--color-danger: #f85149;--color-danger-hover: #ff6b6b;--new-bg: #21262d;--new-text: #7d8590;--new-border: #30363d;--planned-bg: #1c2a3f;--planned-text: #79c0ff;--planned-border: #1f6feb;--in-progress-bg: #2e2000;--in-progress-text: #e3b341;--in-progress-border: #9e6a03;--done-bg: #0d2a1a;--done-text: #3fb950;--done-border: #238636;--removed-bg: #2d1111;--removed-text: #f85149;--removed-border: #da3633;--radius: 6px;--radius-lg: 10px;--shadow: 0 1px 3px rgba(0,0,0,.4)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5}#app{height:100%;display:flex;flex-direction:column}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;padding:6px 14px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface-2);color:var(--color-text);font-size:14px;cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap}.btn:hover:not(:disabled){background:#30363d;border-color:#484f57}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--color-surface-2);border-color:var(--color-border)}.btn-danger{background:var(--color-danger);border-color:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn-sm{padding:4px 10px;font-size:12px}.btn-icon{padding:4px 8px;min-width:32px}.btn-full{width:100%}.form-label{display:block;font-size:12px;font-weight:600;color:var(--color-text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.form-label-inline{font-size:12px;color:var(--color-text-muted)}.form-group{margin-bottom:16px}.required{color:var(--color-danger)}.form-input{width:100%;padding:8px 12px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-size:14px;outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--color-primary)}.form-input::placeholder{color:var(--color-text-muted)}.form-textarea{resize:vertical;min-height:80px;font-family:inherit}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237d8590' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px}.form-select-sm{width:auto;min-width:120px}.input-with-btn{display:flex;gap:8px}.input-with-btn .form-input{flex:1}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:420px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:40px;text-align:center}.login-logo{font-size:48px;margin-bottom:12px;display:block}.login-title{font-size:24px;font-weight:700;margin-bottom:8px}.login-subtitle{color:var(--color-text-muted);margin-bottom:28px;font-size:14px}.login-form{text-align:left}.login-hint{font-size:12px;color:var(--color-text-muted);margin-bottom:16px}.login-error{color:var(--color-danger);font-size:13px;margin-top:10px;text-align:center}.hidden{display:none!important}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:52px;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0;gap:12px}.header-left{display:flex;align-items:center;gap:10px;min-width:0}.header-center{display:flex;align-items:center;flex:1;justify-content:center}.header-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.app-logo{font-size:20px;flex-shrink:0}.app-name{font-weight:600;font-size:16px}.header-user{color:var(--color-text-muted);font-size:13px}.header-project{display:flex;flex-direction:column;min-width:0}.project-name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-branch{font-size:11px;color:var(--color-text-muted)}.view-tabs{display:flex;gap:2px;background:var(--color-surface-2);padding:3px;border-radius:var(--radius)}.view-tab{padding:4px 16px;border-radius:4px;background:transparent;border:none;color:var(--color-text-muted);cursor:pointer;font-size:13px;font-weight:500;transition:all .15s}.view-tab:hover{color:var(--color-text)}.view-tab.active{background:var(--color-primary);color:#fff}.projects-screen{display:flex;flex-direction:column;height:100%}.projects-main{flex:1;overflow-y:auto;padding:40px 24px;display:flex;justify-content:center}.projects-container{width:100%;max-width:560px}.projects-title{font-size:20px;font-weight:700;margin-bottom:6px}.projects-subtitle{color:var(--color-text-muted);margin-bottom:28px}.projects-form-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px}.projects-error{color:var(--color-danger);font-size:13px;margin-top:10px}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:10px 16px;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0}.toolbar-left{display:flex;align-items:center;gap:8px;flex:1;flex-wrap:wrap}.toolbar-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.search-input{max-width:220px}.filter-group{display:flex;gap:4px;flex-wrap:wrap}.filter-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;cursor:pointer;border:1px solid;transition:opacity .15s}.filter-chip input{display:none}.filter-chip:has(input:not(:checked)){opacity:.45}.toggle-label{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--color-text-muted);cursor:pointer;white-space:nowrap}.toggle-label input{accent-color:var(--color-primary);cursor:pointer}.status-new{background:var(--new-bg);color:var(--new-text);border-color:var(--new-border)}.status-planned{background:var(--planned-bg);color:var(--planned-text);border-color:var(--planned-border)}.status-in-progress{background:var(--in-progress-bg);color:var(--in-progress-text);border-color:var(--in-progress-border)}.status-done{background:var(--done-bg);color:var(--done-text);border-color:var(--done-border)}.status-removed{background:var(--removed-bg);color:var(--removed-text);border-color:var(--removed-border)}.status-badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;border:1px solid;white-space:nowrap}.app-layout{display:flex;flex-direction:column;height:100%;overflow:hidden}.backlog-main{flex:1;overflow-y:auto;position:relative}.loading-overlay{display:none;position:absolute;top:0;right:0;bottom:0;left:0;background:#0d1117cc;align-items:center;justify-content:center;font-size:16px;color:var(--color-text-muted);z-index:10}.backlog-table{width:100%;border-collapse:collapse}.backlog-table thead th{position:sticky;top:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:10px 12px;text-align:left;font-size:11px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;z-index:1}.backlog-row{border-bottom:1px solid var(--color-border);cursor:pointer;transition:background .1s}.backlog-row:hover{background:var(--color-surface-2)}.backlog-row td{padding:10px 12px;vertical-align:middle}.status-new-row{border-left:3px solid var(--new-border)}.status-planned-row{border-left:3px solid var(--planned-border)}.status-in-progress-row{border-left:3px solid var(--in-progress-border)}.status-done-row{border-left:3px solid var(--done-border);opacity:.7}.status-removed-row{border-left:3px solid var(--removed-border);opacity:.5;text-decoration:line-through}.col-order{width:52px;color:var(--color-text-muted);font-size:12px}.col-status{width:120px}.col-ac{width:70px;text-align:center}.col-links{width:90px;text-align:center}.col-updated{width:90px;color:var(--color-text-muted);font-size:12px;white-space:nowrap}.item-title{display:block;font-weight:500}.item-desc{display:block;font-size:12px;color:var(--color-text-muted);margin-top:2px}.ac-badge{font-size:11px;padding:1px 6px;border-radius:20px;background:var(--color-surface-2);border:1px solid var(--color-border);color:var(--color-text-muted)}.ac-badge.ac-done{background:var(--done-bg);color:var(--done-text);border-color:var(--done-border)}.links-count{font-size:11px;color:var(--color-text-muted)}.empty-state{padding:60px 24px;text-align:center;color:var(--color-text-muted)}.empty-state p{margin-bottom:16px;font-size:15px}.kanban-main{flex:1;overflow-x:auto;overflow-y:hidden;padding:16px;display:flex}.kanban-board{display:flex;gap:12px;align-items:flex-start;min-height:100%}.kanban-col{flex-shrink:0;width:270px;display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;max-height:calc(100vh - 120px)}.kanban-col-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid}.kanban-col-title{font-size:13px;font-weight:600}.kanban-col-count{font-size:12px;padding:1px 7px;border-radius:20px;background:#0003}.kanban-cards{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:8px;min-height:60px}.kanban-cards.drag-over{background:#2f81f70f;outline:2px dashed var(--color-primary);outline-offset:-4px;border-radius:4px}.kanban-card{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius);padding:10px 12px;cursor:pointer;transition:box-shadow .15s,border-color .15s,transform .1s;border-left:3px solid}.kanban-card:hover{box-shadow:0 2px 8px #0000004d;border-color:#484f57}.kanban-card.dragging{opacity:.4;transform:rotate(1deg)}.status-new-card{border-left-color:var(--new-border)}.status-planned-card{border-left-color:var(--planned-border)}.status-in-progress-card{border-left-color:var(--in-progress-border)}.status-done-card{border-left-color:var(--done-border);opacity:.75}.status-removed-card{border-left-color:var(--removed-border);opacity:.55}.kanban-card-title{font-weight:500;font-size:13px;margin-bottom:4px}.kanban-card-desc{font-size:12px;color:var(--color-text-muted);margin-bottom:6px}.kanban-card-meta{display:flex;gap:6px;flex-wrap:wrap}.drag-placeholder{height:50px;border:2px dashed var(--color-primary);border-radius:var(--radius);background:#2f81f714;flex-shrink:0}.kanban-add-btn{width:100%;padding:8px;background:transparent;border:none;border-top:1px solid var(--color-border);color:var(--color-text-muted);cursor:pointer;font-size:12px;transition:background .15s,color .15s}.kanban-add-btn:hover{background:var(--color-surface-2);color:var(--color-text)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;overflow-y:auto}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;max-width:600px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 8px 32px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--color-border);flex-shrink:0}.modal-title{font-size:16px;font-weight:600}.modal-close{background:transparent;border:none;color:var(--color-text-muted);font-size:20px;cursor:pointer;padding:2px 6px;border-radius:4px;line-height:1}.modal-close:hover{color:var(--color-text);background:var(--color-surface-2)}.modal-body{flex:1;overflow-y:auto;padding:20px}.modal-footer{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid var(--color-border);flex-shrink:0}.modal-footer-actions{display:flex;gap:8px}.ac-list,.links-list{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}.ac-row{display:flex;align-items:center;gap:8px}.ac-check{width:16px;height:16px;flex-shrink:0;accent-color:var(--color-primary);cursor:pointer}.ac-text{flex:1}.ac-remove{flex-shrink:0;color:var(--color-text-muted)}.link-row{display:flex;align-items:center;gap:6px}.link-remove{flex-shrink:0;color:var(--color-text-muted)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#484f57}