@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-color: #f5f5f5;--topbar-bg: #ffffff;--topbar-border: rgba(0, 0, 0, .08);--text-main: #111827;--text-muted: #6b7280;--primary-color: #111827;--primary-hover: #374151;--danger-color: #ef4444;--danger-hover: #dc2626;--topbar-height: 54px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg-color);color:var(--text-main);overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh;width:100vw}.main-content{flex:1;display:flex;overflow:hidden;position:relative}.top-bar{height:var(--topbar-height);background:var(--topbar-bg);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:1000;box-shadow:none;border-bottom:1px solid rgba(0,0,0,.08)}.top-bar-left{display:flex;align-items:center}.logo{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#111827,#4b5563);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;cursor:pointer;transition:opacity .2s ease}.logo:hover{opacity:.8}.top-bar-right{display:flex;align-items:center;gap:12px}.ide-text{font-family:Inter,sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:-.01em;color:#6b7280;opacity:.65;display:block}.user-menu-container{position:relative}.user-avatar{width:32px;height:32px;border-radius:50%;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none;letter-spacing:.02em;transition:opacity .15s ease;border:none;overflow:hidden}.user-avatar:hover{opacity:.85}.user-avatar.active{opacity:.9}.user-dropdown{position:absolute;top:100%;right:0;margin-top:6px;width:200px;background:#fff;box-shadow:0 2px 8px #0000001f,0 0 0 1px #00000014;border-radius:4px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .15s ease,transform .15s ease,visibility .15s ease;z-index:2000;display:flex;flex-direction:column;overflow:hidden}.user-dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-header{padding:10px 14px;border-bottom:1px solid rgba(0,0,0,.07);background:#f8f8f8}.dropdown-header h3{font-size:.78rem;font-weight:600;color:var(--text-muted);margin:0;text-transform:uppercase;letter-spacing:.06em}.dropdown-actions{padding:4px;display:flex;flex-direction:column;gap:0}.dropdown-btn{display:flex;align-items:center;gap:10px;background:transparent;border:none;color:var(--text-muted);font-family:-apple-system,BlinkMacSystemFont,Inter,sans-serif;font-size:.82rem;font-weight:500;padding:8px 10px;border-radius:3px;cursor:pointer;transition:background .1s ease,color .1s ease;width:100%;text-align:left}.dropdown-btn:hover{background:#0000000d;color:var(--text-main)}.dropdown-btn.danger-btn{color:var(--text-muted);margin-top:0;border-top:none;border-radius:3px}.dropdown-btn.danger-btn:hover{background:#0000000d;color:var(--text-main)}.ide-wrapper{width:100%;height:100%;position:relative;background-color:#fff}.ide-iframe{width:100%;height:100%;border:none;display:block}.loader-overlay{position:absolute;inset:0;background-color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10}.loader-overlay p{margin-top:16px;color:var(--text-muted);font-size:.875rem;font-weight:500;animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.spinner{width:24px;height:24px;border:2px solid rgba(107,114,128,.2);border-radius:50%;border-top-color:#6b7280;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.login-page{min-height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;background:var(--bg-color)}.login-card{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:10px;box-shadow:0 4px 24px #0000000f;padding:40px 36px;display:flex;flex-direction:column;align-items:center;gap:20px;min-width:340px;max-width:400px;width:100%}.login-logo-wrap{display:flex;align-items:center;gap:8px}.login-logo{height:24px;display:block}.login-ide-tag{font-family:Inter,sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:-.01em;color:#6b7280;opacity:.65}.login-subtitle{font-size:.85rem;color:var(--text-muted);margin:-8px 0 4px;text-align:center}.google-signin-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px 20px;border:1.5px solid rgba(0,0,0,.15);border-radius:6px;background:#fff;color:var(--text-main);font-family:Inter,sans-serif;font-size:.875rem;font-weight:500;cursor:pointer;transition:background .15s ease,border-color .15s ease,box-shadow .15s ease}.google-signin-btn:hover{background:#f9fafb;border-color:#00000040;box-shadow:0 1px 4px #0000000f}.google-icon{flex-shrink:0}.access-denied-card{gap:16px}.access-denied-icon{color:#ef4444;display:flex;align-items:center;justify-content:center;width:60px;height:60px;border-radius:50%;background:#ef444414}.access-denied-title{font-size:1.1rem;font-weight:700;color:var(--text-main);margin:0}.access-denied-msg{font-size:.85rem;color:var(--text-muted);text-align:center;line-height:1.6}.signout-btn{display:flex;align-items:center;gap:8px;background:transparent;border:1.5px solid rgba(0,0,0,.15);border-radius:6px;padding:9px 18px;font-family:Inter,sans-serif;font-size:.82rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:background .15s ease,color .15s ease}.signout-btn:hover{background:#0000000d;color:var(--text-main)}.dropdown-email{font-size:.72rem;color:var(--text-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:172px}.dropdown-header h3{font-size:.82rem;font-weight:600;color:var(--text-main);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:172px;text-transform:none;letter-spacing:0}@media(max-width:768px){:root{--topbar-height: 40px}.top-bar{padding:0 12px}.top-bar-left img{height:18px}.ide-text{font-size:.9rem}.user-avatar{width:28px;height:28px;font-size:.65rem}.user-dropdown{width:180px}.login-card{min-width:unset;margin:16px;padding:28px 24px}.login-logo{height:20px}.login-ide-tag{font-size:1rem}.main-content{height:calc(100vh - var(--topbar-height) - 56px);flex:none}}.mobile-tab-bar{display:flex;height:56px;background:#fff;border-top:1px solid rgba(0,0,0,.08);z-index:1000;flex-shrink:0}.mobile-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:none;background:transparent;color:#9ca3af;font-family:Inter,sans-serif;font-size:.7rem;font-weight:500;cursor:pointer;transition:color .15s ease;-webkit-tap-highlight-color:transparent}.mobile-tab.active{color:#111827}.mobile-tab svg{stroke-width:1.5}