:root{--bg-dark: #0b0f19;--panel-bg: #131a2c;--border-color: #1e293b;--text-main: #f8fafc;--text-muted: #64748b;--primary: #3b82f6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow:hidden}.ide-container{display:flex;flex-direction:column;height:100vh;background-color:var(--bg-dark)}.ide-header{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);height:60px;box-sizing:border-box}.brand{display:flex;align-items:center;gap:12px}.logo{background:linear-gradient(135deg,#3b82f6,#8b5cf6);padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff}.pulse-icon{animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.brand h1{font-size:16px;margin:0;font-weight:700;background:linear-gradient(to right,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{font-size:11px;color:var(--text-muted)}.autosave-bar{display:flex;align-items:center}.status-indicator{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500;transition:all .3s ease}.status-indicator.dirty{background-color:#f59e0b1a;color:var(--warning);border:1px solid rgba(245,158,11,.2)}.status-indicator.saving{background-color:#3b82f61a;color:var(--primary);border:1px solid rgba(59,130,246,.2)}.status-indicator.saved{background-color:#10b9811a;color:var(--success);border:1px solid rgba(16,185,129,.2)}.actions{display:flex;gap:10px}.ai-btn{background:linear-gradient(135deg,#8b5cf6,#ec4899);color:#fff;border:none;padding:8px 14px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:transform .2s}.ai-btn:hover{transform:translateY(-1px);filter:brightness(1.1)}.crash-trigger-btn{background-color:#ef44441a;color:var(--danger);border:1px solid rgba(239,68,68,.3);padding:8px 14px;border-radius:6px;font-size:13px;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}.crash-trigger-btn:hover{background-color:var(--danger);color:#fff}.ide-workspace{display:flex;flex:1;overflow:hidden}.ide-sidebar{width:240px;background-color:var(--panel-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;gap:20px;padding:15px}.sidebar-section h3{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-top:0;margin-bottom:10px}.file-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.file-list li{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;color:#94a3b8;transition:all .2s}.file-list li:hover{background-color:#ffffff0d;color:var(--text-main)}.file-list li.active{background-color:#3b82f626;color:#60a5fa;border-left:3px solid var(--primary)}.history-section{flex:1;display:flex;flex-direction:column;overflow:hidden}.history-list{list-style:none;padding:0;margin:0;overflow-y:auto;display:flex;flex-direction:column;gap:8px;flex:1}.empty-history{font-size:12px;color:var(--text-muted);text-align:center;padding:20px 10px;border:1px dashed var(--border-color);border-radius:6px}.history-item{background-color:#ffffff05;border:1px solid var(--border-color);padding:8px;border-radius:6px;cursor:pointer;transition:all .2s}.history-item:hover{background-color:#ffffff0d;border-color:var(--primary)}.history-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.history-meta .time{font-size:11px;color:var(--text-muted)}.tag{font-size:9px;padding:2px 6px;border-radius:10px;font-weight:700}.tag.auto{background-color:#10b98126;color:var(--success)}.tag.manual{background-color:#3b82f626;color:var(--primary)}.history-preview{font-family:monospace;font-size:11px;color:#94a3b8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ide-editor-area{flex:1.2;display:flex;flex-direction:column;background-color:#090d16;border-right:1px solid var(--border-color)}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color)}.file-tab{display:flex;align-items:center;gap:6px;font-size:13px;color:#3b82f6;font-weight:600}.editor-controls{display:flex;gap:8px}.editor-controls button{background-color:#ffffff0d;border:none;color:var(--text-main);padding:6px 10px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.editor-controls button:hover{background-color:#ffffff1a}.editor-controls .run-btn{background-color:var(--success);color:#fff;font-weight:700;gap:4px}.editor-controls .run-btn:hover{background-color:#059669}.editor-wrapper{display:flex;flex:1;position:relative}.line-numbers{padding:15px 10px;background-color:#0003;border-right:1px solid rgba(255,255,255,.03);display:flex;flex-direction:column;align-items:flex-end;-webkit-user-select:none;user-select:none}.line-num{font-family:monospace;font-size:13px;color:#334155;height:20px;line-height:20px}.code-textarea{flex:1;background:transparent;border:none;outline:none;color:#e2e8f0;font-family:Fira Code,Consolas,Monaco,monospace;font-size:14px;line-height:20px;padding:15px;resize:none;white-space:pre;overflow-x:auto}.ide-preview-area{flex:1;display:flex;flex-direction:column;background-color:#1e293b}.preview-header{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);font-size:13px;font-weight:600}.live-badge{background-color:#ef444433;color:var(--danger);font-size:10px;padding:2px 6px;border-radius:4px;font-weight:800;animation:blink 1.5s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.4}}.preview-body{flex:1;background-color:#fff;position:relative}.preview-iframe{width:100%;height:100%;border:none;background-color:#fff}.non-html-preview{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#0f172a;color:#94a3b8;text-align:center;padding:20px}.zap-icon{color:var(--warning);margin-bottom:15px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.crash-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#030712f2;z-index:999;display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.crash-card{background-color:#1e293b;border:2px solid var(--danger);border-radius:16px;padding:40px;max-width:500px;text-align:center;box-shadow:0 20px 50px #ef44444d;animation:shake .5s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-5px)}20%,40%,60%,80%{transform:translate(5px)}}.crash-icon{font-size:48px;margin-bottom:15px}.crash-card h2{color:#fca5a5;margin-top:0;font-size:22px}.crash-card p{color:#cbd5e1;font-size:15px;line-height:1.6}.crash-stats{background-color:#0003;border-radius:8px;padding:15px;margin:20px 0;text-align:left;display:flex;flex-direction:column;gap:10px;font-size:14px}.crash-stats div{display:flex;justify-content:space-between}.status-badge{display:flex;align-items:center;gap:4px;font-weight:700}.status-badge.saved{color:var(--success)}.recover-btn{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;padding:14px 28px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 15px #10b98166}.recover-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #10b98199}.spin-icon{animation:spin 2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.bounce-icon{animation:bounce 1s infinite alternate}@keyframes bounce{to{transform:translateY(-3px)}}.spinner{width:16px;height:16px;border:2px solid rgba(59,130,246,.3);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}