:root{--bg-root: #F4F4F5;--bg-surface: #FFFFFF;--bg-panel: #F8F8F9;--bg-panel-header: #E4E4E7;--bg-status: #007ACC;--bg-hover: #E4E4E7;--color-accent: #0F766E;--color-accent-hover: #0D9488;--text-primary: #18181B;--text-secondary: #52525B;--text-muted: #71717A;--text-accent: #0D9488;--border-color: #D4D4D8;--border-light: #E4E4E7;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Fira Code", "Consolas", "Courier New", monospace;--header-height: 48px;--status-bar-height: 24px;--sidebar-width: 250px;--sidebar-collapsed-width: 48px;--bottom-panel-height: 200px;--bottom-panel-min-height: 36px;--transition-fast: .15s ease-in-out;--transition-layout: .3s cubic-bezier(.4, 0, .2, 1)}:root[data-theme=dark]{--bg-root: #121212;--bg-surface: #1E1E1E;--bg-panel: #18181B;--bg-panel-header: #242427;--bg-status: #007ACC;--bg-hover: #2A2D2E;--color-accent: #0D9488;--color-accent-hover: #0F766E;--text-primary: #E4E4E7;--text-secondary: #A1A1AA;--text-muted: #71717A;--text-accent: #5EEAD4;--border-color: #3F3F46;--border-light: #27272A}:root[data-fontsize=small]{--font-base-scale: .85rem}:root,:root[data-fontsize=medium]{--font-base-scale: 1rem}:root[data-fontsize=large]{--font-base-scale: 1.15rem}body{font-size:var(--font-base-scale)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-root);color:var(--text-primary);height:100vh;width:100vw;overflow:hidden;-webkit-user-select:none;user-select:none}.selectable,input,textarea{-webkit-user-select:text;user-select:text}button{font-family:inherit;cursor:pointer;border:none;background:transparent;color:inherit}.ide-layout{display:flex;flex-direction:column;height:100vh;width:100vw;background-color:var(--bg-root)}.ide-body{display:flex;flex:1;overflow:hidden}.ide-main{display:flex;flex-direction:column;flex:1;min-width:0;background-color:var(--bg-surface);position:relative}.ide-editor-placeholder{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:1rem}.placeholder-content{text-align:center;color:var(--text-secondary)}.placeholder-content h2{font-weight:500;margin-bottom:.5rem;color:var(--text-primary)}.placeholder-code{margin-top:2rem;text-align:left;font-family:var(--font-mono);font-size:14px;line-height:1.6;background-color:#1a1a1a;padding:1.5rem;border-radius:6px;border:1px solid var(--border-light);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.placeholder-code span:first-child{color:var(--text-muted);display:inline-block;width:24px;margin-right:12px;text-align:right;-webkit-user-select:none;user-select:none}.active-line{display:block;background-color:#0d948826;border-left:3px solid var(--color-accent);margin-left:-1.5rem;padding-left:calc(1.5rem - 3px);margin-right:-1.5rem;padding-right:1.5rem}.ide-header{height:var(--header-height);background-color:var(--bg-panel-header);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 1rem}.header-left,.header-right{display:flex;align-items:center;width:250px}.header-right{justify-content:flex-end}.header-center{display:flex;flex:1;justify-content:center}.logo{display:flex;align-items:center;gap:.5rem}.logo-icon{color:var(--color-accent);font-weight:700;font-family:var(--font-mono)}.logo-text{font-size:14px;font-weight:600}.toolbar{display:flex;gap:.5rem;background-color:var(--bg-root);padding:4px;border-radius:6px;border:1px solid var(--border-light)}.tool-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:4px;font-size:13px;font-weight:500;transition:var(--transition-fast)}.tool-btn.play{color:#fff;background-color:var(--color-accent)}.tool-btn.play:hover{background-color:var(--color-accent-hover)}.tool-btn.stop{padding:6px;color:var(--text-muted)}.tool-btn.stop:not(:disabled):hover{color:#ef4444;background-color:#ef44441a}.tool-btn.pause{padding:6px;color:var(--text-muted)}.tool-btn.pause:not(:disabled):hover{color:#f59e0b;background-color:#f59e0b1a}.tool-btn.step{padding:6px;color:var(--text-muted)}.tool-btn.step:not(:disabled):hover{color:#3b82f6;background-color:#3b82f61a}.tool-btn.play.blink{animation:blink-animation 1.5s infinite}@keyframes blink-animation{0%{opacity:1}50%{opacity:.6}to{opacity:1}}.status-badge{display:flex;align-items:center;justify-content:center;margin-left:8px;padding:0 8px;font-size:10px;font-weight:700;border-radius:4px;text-transform:uppercase;color:#fff}.status-badge.state-idle{background-color:transparent;color:var(--text-muted)}.status-badge.state-running{background-color:var(--color-accent)}.status-badge.state-waiting{background-color:#8b5cf6}.status-badge.state-paused{background-color:#f59e0b}.status-badge.state-error{background-color:#ef4444}.tooltip-wrapper{display:inline-flex}.tooltip-wrapper>button:disabled{pointer-events:none}.icon-btn{display:flex;align-items:center;justify-content:center;padding:6px;border-radius:4px;color:var(--text-secondary);transition:var(--transition-fast)}.icon-btn:hover{color:var(--text-primary);background-color:var(--bg-hover)}.ide-sidebar{background-color:var(--bg-panel);border-right:1px solid var(--border-color);display:flex;transition:width var(--transition-layout);overflow:hidden}.ide-sidebar.open{width:var(--sidebar-width)}.ide-sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-nav{width:var(--sidebar-collapsed-width);min-width:var(--sidebar-collapsed-width);display:flex;flex-direction:column;align-items:center;padding:10px 0;gap:12px;border-right:1px solid var(--border-light);background-color:var(--bg-root)}.nav-btn{color:var(--text-muted);width:48px;height:48px;display:flex;align-items:center;justify-content:center;position:relative;transition:color var(--transition-fast)}.nav-btn:hover,.nav-btn.active{color:var(--text-primary)}.nav-btn.active:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:2px;background-color:var(--color-accent)}.sidebar-content{flex:1;display:flex;flex-direction:column;min-width:200px}.sidebar-header{height:35px;display:flex;align-items:center;padding:0 1rem;font-size:11px;font-weight:600;letter-spacing:.05em;color:var(--text-muted);text-transform:uppercase}.sidebar-tree{padding:.5rem}.tree-item{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:4px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast)}.tree-item:hover{background-color:var(--bg-hover);color:var(--text-primary)}.tree-item.active{background-color:#0d94881a;color:var(--color-accent)}.tree-icon{opacity:.8}.variables-panel{display:flex;flex-direction:column;height:100%;width:100%;background-color:transparent;color:var(--text-primary);font-family:var(--font-mono);font-size:13px;overflow:hidden}.variables-content{flex:1;overflow-y:auto}.variables-empty{padding:20px;text-align:center;color:var(--text-muted);font-style:italic}.variables-table{width:100%;border-collapse:collapse}.variables-table th,.variables-table td{padding:6px 12px;text-align:left;border-bottom:1px solid 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var(--border-light)}.panel-tabs{display:flex;height:100%}.panel-tab{display:flex;align-items:center;gap:6px;padding:0 16px;height:100%;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:2px solid transparent;transition:var(--transition-fast)}.panel-tab:hover{color:var(--text-primary)}.panel-tab.active{color:var(--text-primary);border-bottom-color:var(--color-accent)}.panel-actions{display:flex;gap:4px}.panel-content{flex:1;overflow:auto;padding:12px;font-family:var(--font-mono);font-size:13px;background-color:var(--bg-surface)}.console-placeholder{display:flex;flex-direction:column;gap:4px}.console-line{color:var(--text-secondary)}.console-line.success{color:#10b981}.console-line.prompt{color:var(--text-primary);display:flex;align-items:center;gap:8px}.prompt-arrow{color:var(--color-accent);font-weight:700}.ide-status-bar{height:var(--status-bar-height);background-color:var(--bg-status);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 8px;font-size:12px;font-family:var(--font-sans);z-index:10}.status-left,.status-right{display:flex;align-items:center;gap:16px}.status-item{display:flex;align-items:center;gap:4px;cursor:pointer;padding:2px 4px;border-radius:3px;transition:background-color .15s}.status-item:hover{background-color:#ffffff26}.status-item.highlight{font-weight:500}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-content{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:8px;width:600px;max-width:90vw;height:400px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 10px 15px -3px #0000004d}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-light)}.modal-header h2{font-size:1.1rem;font-weight:600}.close-btn{color:var(--text-muted);transition:var(--transition-fast);padding:4px;border-radius:4px}.close-btn:hover{color:var(--text-primary);background-color:var(--bg-hover)}.modal-body{display:flex;flex:1;overflow:hidden}.modal-sidebar{width:150px;border-right:1px solid var(--border-light);background-color:var(--bg-panel);display:flex;flex-direction:column;padding:1rem 0}.tab-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:.9rem;color:var(--text-secondary);transition:var(--transition-fast);text-align:left}.tab-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.tab-btn.active{background-color:#0d94881a;color:var(--color-accent);border-right:2px solid var(--color-accent)}.modal-panel{flex:1;padding:1.5rem;overflow-y:auto}.settings-group{display:flex;flex-direction:column;gap:1.5rem}.setting-item{display:flex;justify-content:space-between;align-items:center}.setting-info{display:flex;flex-direction:column;gap:4px}.setting-info label{font-weight:500;font-size:.95rem}.setting-info span{font-size:.85rem;color:var(--text-muted)}.setting-control select{background-color:var(--bg-root);color:var(--text-primary);border:1px solid var(--border-color);padding:6px 12px;border-radius:4px;font-size:.9rem;outline:none;cursor:pointer}.setting-control select:focus{border-color:var(--color-accent)}.shortcuts-list{display:flex;flex-direction:column;gap:8px}.shortcut-row{display:flex;justify-content:space-between;align-items:center;padding:8px;border-radius:4px}.shortcut-row:nth-child(2n){background-color:var(--bg-root)}.shortcut-row span{font-size:.9rem}kbd{background-color:var(--bg-panel-header);border:1px solid var(--border-color);border-bottom-width:2px;border-radius:4px;padding:2px 6px;font-family:var(--font-mono);font-size:.8rem;font-weight:600;color:var(--text-primary)}.breakpoint-glyph{background-color:#e51400;border-radius:50%;width:12px!important;height:12px!important;margin-left:5px;margin-top:3px;cursor:pointer;box-shadow:0 0 4px #e5140080}.current-line-glyph{background-color:#f59e0b;border-radius:50%;width:12px!important;height:12px!important;margin-left:5px;margin-top:3px;box-shadow:0 0 6px #f59e0bcc}.current-line-highlight{background-color:#f59e0b33;border-top:1px solid rgba(245,158,11,.3);border-bottom:1px solid rgba(245,158,11,.3);box-sizing:border-box}.editor-tabs{display:flex;background-color:var(--bg-panel-header);border-bottom:1px solid var(--border-color);overflow-x:auto;min-height:35px}.editor-tabs.empty{min-height:35px}.editor-tabs::-webkit-scrollbar{height:4px}.editor-tabs::-webkit-scrollbar-thumb{background-color:var(--border-color)}.tab{display:flex;align-items:center;gap:8px;padding:0 10px 0 16px;background-color:var(--bg-panel-header);color:var(--text-secondary);border-right:1px solid var(--border-light);cursor:pointer;min-width:120px;max-width:200px;border-top:2px solid transparent;-webkit-user-select:none;user-select:none}.tab:hover{background-color:var(--bg-hover)}.tab.active{background-color:var(--bg-surface);color:var(--text-primary);border-top:2px solid var(--color-accent)}.tab-title{font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.tab-close-btn{display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;color:var(--text-muted);opacity:0;transition:opacity .15s ease,background-color .15s ease,color .15s ease}.tab:hover .tab-close-btn,.tab.active .tab-close-btn{opacity:1}.tab-close-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.tab.active .tab-close-btn:hover{background-color:var(--bg-panel-header)}.tab .dirty-dot{color:var(--color-accent)}.new-tab-btn{display:flex;align-items:center;justify-content:center;padding:0 12px;cursor:pointer;color:var(--text-muted);transition:all var(--transition-fast)}.new-tab-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.tab .tab-close-btn:has(.dirty-dot){opacity:1}