@import url("https://fonts.googleapis.com/css2?family=Vazirmatn:wght@100..900&display=swap");:root{--bg-primary:#fff;--bg-secondary:#fafafa;--bg-hover:#f0f0f0;--text-primary:#000;--text-secondary:#737373;--text-tertiary:#a3a3a3;--border-color:#e5e5e5;--border-active:#000;--accent-color:#000;--accent-light:#f5f5f5;--danger-color:#dc2626;--danger-hover:#b91c1c;--font-family:"Vazirmatn",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--transition-fast:0.15s ease;--transition-normal:0.2s cubic-bezier(0.16,1,0.3,1);--header-height:48px;--sidebar-width:240px;--details-width:340px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}:root[data-theme=dark]{--bg-primary:#0a0a0a;--bg-secondary:#121212;--bg-hover:#1e1e1e;--text-primary:#f5f5f5;--text-secondary:#a3a3a3;--text-tertiary:#525252;--border-color:#262626;--border-active:#fff;--accent-color:#fff;--accent-light:#171717;--danger-color:#ef4444;--danger-hover:#f87171}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body,html{width:100%;height:100%;overflow:hidden;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);font-size:13px;line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100vh;height:100dvh;width:100vw;overflow:hidden;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom)}.app-header{justify-content:space-between;height:var(--header-height);padding:0 16px;border-bottom:1px solid var(--border-color);background-color:var(--bg-primary);flex-shrink:0;z-index:20}.app-header,.header-left{display:flex;align-items:center}.header-left{gap:12px}.logo{font-size:14px;font-weight:800;letter-spacing:3px;text-transform:uppercase;-webkit-user-select:none;-moz-user-select:none;user-select:none;text-decoration:none;color:var(--text-primary)}.header-actions{display:flex;align-items:center;gap:8px}.btn-icon{background:transparent;border:1px solid var(--border-color);border-radius:4px;padding:4px 10px;font-size:12px;font-family:var(--font-family);color:var(--text-secondary);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all var(--transition-fast)}.btn-icon:hover{color:var(--text-primary);border-color:var(--border-active);background-color:var(--bg-hover)}.pro-badge{background-color:var(--text-primary);color:var(--bg-primary);font-size:10px;font-weight:700;padding:2px 6px;border-radius:3px;letter-spacing:1px}.pro-upgrade-btn{background:transparent;border:1px solid var(--text-primary);color:var(--text-primary);padding:3px 8px;border-radius:3px;font-size:11px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.pro-upgrade-btn:hover{background:var(--text-primary);color:var(--bg-primary)}.quick-add-section{border-bottom:1px solid var(--border-color);background-color:var(--bg-primary);flex-shrink:0}.input-quick-add{width:100%;border:none;padding:12px 16px;font-size:14px;font-family:var(--font-family);background:transparent;color:var(--text-primary);transition:background-color var(--transition-fast)}.input-quick-add:focus{outline:none;background-color:var(--bg-secondary)}.input-quick-add::placeholder{color:var(--text-tertiary)}.workspace{display:flex;flex:1 1;overflow:hidden;position:relative}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--border-color);background-color:var(--bg-secondary);display:flex;flex-direction:column;padding:12px 8px;overflow-y:auto;flex-shrink:0;transition:transform var(--transition-normal)}.sidebar-item{display:flex;align-items:center;padding:8px 10px;border-radius:4px;cursor:pointer;margin-bottom:4px;transition:background-color var(--transition-fast);-webkit-user-select:none;-moz-user-select:none;user-select:none;font-size:13px}.sidebar-item.active,.sidebar-item:hover{background-color:var(--bg-hover)}.sidebar-item.active{font-weight:600}.sidebar-item .icon{margin-right:8px}.sidebar-item .label{flex:1 1}.badge{font-size:11px;padding:1px 6px;border-radius:10px;background-color:var(--border-color);color:var(--text-secondary);font-weight:600}.sidebar-section{margin-top:18px;display:flex;flex-direction:column;flex:1 1}.section-header{display:flex;justify-content:space-between;align-items:center;padding:4px 8px;margin-bottom:6px}.section-title{font-size:10px;font-weight:700;letter-spacing:1.5px;color:var(--text-secondary)}.projects-tree{flex:1 1;overflow-y:auto}.project-node{margin-bottom:2px}.project-item{display:flex;align-items:center;padding:6px 8px;border-radius:4px;cursor:pointer;transition:background-color var(--transition-fast);-webkit-user-select:none;-moz-user-select:none;user-select:none;font-size:13px}.project-item.active,.project-item:hover{background-color:var(--bg-hover)}.project-item.active{font-weight:600}.project-toggle{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;font-size:8px;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:transform var(--transition-fast);margin-right:4px}.project-toggle.expanded{transform:rotate(90deg)}.project-name{flex:1 1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-actions{display:flex;align-items:center;gap:4px;opacity:0;transition:opacity var(--transition-fast)}.project-item:hover .project-actions{opacity:1}.project-children{margin-left:14px;padding-left:6px;border-left:1px solid var(--border-color)}.project-children.collapsed{display:none}.add-project-container{margin-top:8px;padding:0 4px}.input-new-project{width:100%;border:none;border-bottom:1px dashed var(--border-color);padding:6px 4px;font-size:12px;font-family:var(--font-family);background:transparent;color:var(--text-primary)}.input-new-project:focus{outline:none;border-bottom-style:solid;border-bottom-color:var(--border-active)}.main-panel{display:flex;flex:1 1;overflow:hidden;position:relative}.list-container{flex:1 1;display:flex;flex-direction:column;overflow-y:auto;padding:16px 20px}.list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border-color)}.list-header h2{font-size:18px;font-weight:600;letter-spacing:-.5px}.list-actions{display:flex;gap:8px}.task-list{gap:4px}.task-item,.task-list{display:flex;flex-direction:column}.task-item{padding:10px 12px;border-radius:6px;border:1px solid transparent;transition:all var(--transition-fast);background-color:var(--bg-primary)}.task-item:hover{border-color:var(--border-color)}.task-item.active,.task-item:hover{background-color:var(--bg-secondary)}.task-item.active{border-color:var(--border-active)}.task-item.completed .task-text{text-decoration:line-through;color:var(--text-tertiary)}.task-main-row{display:flex;align-items:center;gap:10px}.task-checkbox-container{display:flex;align-items:center;justify-content:center;flex-shrink:0}.task-checkbox{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1.5px solid var(--border-color);border-radius:50%;outline:none;cursor:pointer;display:grid;place-content:center;transition:all var(--transition-fast);background:transparent}.task-checkbox:hover{border-color:var(--border-active)}.task-checkbox:checked{background-color:var(--text-primary);border-color:var(--text-primary)}.task-checkbox:checked:before{content:"";width:5px;height:8px;border:solid var(--bg-primary);border-width:0 1.5px 1.5px 0;transform:rotate(45deg) translate(-1px,-1px)}.task-text{flex:1 1;font-size:14px;cursor:pointer;word-break:break-word}.task-actions{display:flex;align-items:center;gap:8px;opacity:0;transition:opacity var(--transition-fast)}.task-item:hover .task-actions{opacity:1}.subtask-counter{font-size:11px;color:var(--text-secondary);display:inline-flex;align-items:center;gap:4px}.details-panel{width:var(--details-width);border-left:1px solid var(--border-color);background-color:var(--bg-secondary);display:flex;flex-direction:column;overflow-y:auto;padding:16px;flex-shrink:0;animation:slideIn var(--transition-normal);z-index:10}@keyframes slideIn{0%{transform:translateX(100%)}to{transform:translateX(0)}}.details-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.details-header h3{font-size:14px;font-weight:600}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid var(--border-color);border-radius:4px;padding:8px 10px;font-size:13px;font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);transition:border-color var(--transition-fast)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--border-active)}.subtasks-section{margin-top:14px}.subtasks-list{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.subtask-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:4px;background-color:var(--bg-primary);border:1px solid var(--border-color)}.subtask-checkbox{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:14px;height:14px;border:1.5px solid var(--border-color);border-radius:3px;outline:none;cursor:pointer;display:grid;place-content:center;transition:all var(--transition-fast);background:transparent}.subtask-checkbox:checked{background-color:var(--text-primary);border-color:var(--text-primary)}.subtask-checkbox:checked:before{content:"";width:4px;height:6px;border:solid var(--bg-primary);border-width:0 1.5px 1.5px 0;transform:rotate(45deg) translate(-.5px,-.5px)}.subtask-text{flex:1 1;font-size:12px}.subtask-item.completed .subtask-text{text-decoration:line-through;color:var(--text-tertiary)}.subtask-delete{cursor:pointer;color:var(--text-tertiary);font-size:14px;padding:0 4px}.subtask-delete:hover{color:var(--danger-color)}.input-new-subtask{width:100%;border:1px dashed var(--border-color);border-radius:4px;padding:6px 8px;font-size:12px;font-family:var(--font-family);background:transparent;color:var(--text-primary)}.input-new-subtask:focus{outline:none;border-style:solid;border-color:var(--border-active);background-color:var(--bg-primary)}.btn-primary{background-color:var(--text-primary);color:var(--bg-primary);border:none;border-radius:4px;padding:6px 12px;font-size:12px;font-weight:500;font-family:var(--font-family);cursor:pointer;transition:opacity var(--transition-fast)}.btn-primary:hover{opacity:.85}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.text-button{background:transparent;border:none;color:var(--text-secondary);font-size:12px;font-family:var(--font-family);cursor:pointer;padding:2px 6px;border-radius:3px;transition:color var(--transition-fast)}.text-button:hover{color:var(--text-primary)}.text-button.danger{color:var(--danger-color)}.text-button.danger:hover{color:var(--danger-hover)}.close-button{background:transparent;border:none;font-size:18px;color:var(--text-secondary);cursor:pointer;line-height:1;padding:2px 6px;border-radius:4px}.close-button:hover{color:var(--text-primary);background-color:var(--bg-hover)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 30px rgba(0,0,0,.2);display:flex;flex-direction:column}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border-color)}.modal-header h3{font-size:15px;font-weight:600}.modal-body{padding:18px;display:flex;flex-direction:column;gap:14px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--border-color);background-color:var(--bg-secondary)}.help-text{font-size:11px;color:var(--text-tertiary);margin-top:4px;display:block}.api-status-message{font-size:12px;padding:8px 10px;border-radius:4px;margin-top:8px}.api-status-message.success{background-color:rgba(16,185,129,.1);color:#10b981;border:1px solid rgba(16,185,129,.3)}.api-status-message.error{background-color:rgba(239,68,68,.1);color:#ef4444;border:1px solid rgba(239,68,68,.3)}.api-status-message.info{background-color:rgba(59,130,246,.1);color:#3b82f6;border:1px solid rgba(59,130,246,.3)}.model-details-card{margin-top:10px;padding:12px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;font-size:11px}.model-detail-row{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px dashed var(--border-color)}.model-detail-row:last-child{border-bottom:none}.model-detail-label{color:var(--text-secondary)}.model-detail-value{font-weight:600;color:var(--text-primary)}.mobile-sidebar-backdrop{display:none}.mobile-nav-toggle{display:none;background:transparent;border:none;font-size:18px;color:var(--text-primary);cursor:pointer;padding:4px}@media (max-width:768px){.mobile-nav-toggle{display:block}.sidebar{position:fixed;top:var(--header-height);bottom:0;left:0;width:280px;z-index:50;transform:translateX(-100%);box-shadow:4px 0 16px rgba(0,0,0,.2)}.sidebar.mobile-open{transform:translateX(0)}.mobile-sidebar-backdrop.mobile-open{display:block;left:0;background-color:rgba(0,0,0,.4);z-index:40}.details-panel,.mobile-sidebar-backdrop.mobile-open{position:fixed;top:var(--header-height);right:0;bottom:0}.details-panel{width:100%;max-width:400px;z-index:50;box-shadow:-4px 0 16px rgba(0,0,0,.2)}.project-actions,.task-actions{opacity:1}.list-container{padding:12px}}