:root{--bg:#fff;--bg2:#f5f5f5;--bg3:#ededed;--accent:#2d6a4f;--accent2:#1f4d38;--accent-foreground:#fff;--accent3:#4a90a4;--accent-soft:#2d6a4f1f;--text:#1b3a2f;--muted:#1b3a2fa6;--border:#2d6a4f26;--glow:#2d6a4f1f;--success:#2ecc71;--error:#e74c3c;--warn:#e67e22;--font-ui:var(--font-body,"Inter", system-ui, sans-serif);--font-mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;color-scheme:light}[data-theme=dark]{--bg:#0f1a15;--bg2:#16231c;--bg3:#1c2c23;--accent:#4caf7d;--accent2:#79c99e;--accent-foreground:#0f1a15;--accent3:#6fb8cc;--accent-soft:#4caf7d2e;--text:#eaf3ee;--muted:#eaf3ee8c;--border:#ffffff14;--glow:#4caf7d38;--success:#34d399;--error:#ff6b93;--warn:#ffb454;color-scheme:dark}*,:before,:after{box-sizing:border-box}html,body{height:100%}body.ide-page{background:var(--bg);color:var(--text);font-family:var(--font-ui);margin:0}.mobile-block{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.9rem;height:100dvh;padding:40px 1.5rem;display:none}.mobile-block svg{color:var(--accent);margin-bottom:.4rem}.mobile-block h1{font-family:var(--font-display);margin:0;font-size:1.15rem;font-weight:800}.mobile-block p{color:var(--muted);max-width:32ch;margin:0;font-size:.9rem;line-height:1.5}.mobile-block-sub{font-weight:600;color:var(--text)!important}@media (width>=640px){.mobile-block,.auth-block{padding:64px 1.5rem}}@media (width>=1024px){.mobile-block,.auth-block{padding:80px 1.5rem}}.ide-shell{display:flex}.browser-warning:not([hidden]){display:block}.auth-block{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.9rem;height:100dvh;padding:40px 1.5rem;display:none}.auth-block svg{color:var(--accent);margin-bottom:.4rem}.auth-block h1{font-family:var(--font-display);margin:0;font-size:1.15rem;font-weight:800}.auth-block p{color:var(--muted);max-width:34ch;margin:0;font-size:.9rem;line-height:1.5}.auth-block-btn{margin-top:.4rem;text-decoration:none}body.auth-blocked .auth-block{display:flex}body.auth-blocked .ide-shell,body.auth-blocked .browser-warning,body.auth-checking .ide-shell,body.auth-checking .auth-block,body.auth-checking .browser-warning{display:none!important}@media (hover:none) and (pointer:coarse){.mobile-block{display:flex}.ide-shell,.browser-warning,.auth-block{display:none!important}}.browser-warning{color:var(--warn);text-align:center;font-size:.8rem;font-family:var(--font-ui);background:#e67e221a;border-bottom:1px solid #e67e224d;padding:.55rem 1.2rem}.ide-shell{flex-direction:column;height:100dvh}.ide-topbar{background:var(--bg2);border-bottom:1px solid var(--border);align-items:center;gap:clamp(.5rem,1vw,1rem);padding:.65rem clamp(.8rem,2vw,1.4rem);display:flex}.ide-brand{font-family:var(--font-display);color:var(--text);white-space:nowrap;letter-spacing:-.01em;flex-shrink:0;font-size:.95rem;font-weight:800;text-decoration:none}.ide-brand span{color:var(--accent)}.board-tag{background:var(--accent-soft);color:var(--accent);font-size:.74rem;font-weight:700;font-family:var(--font-ui);white-space:nowrap;border:1px solid #2d6a4f40;border-radius:999px;padding:.3rem .7rem}[data-theme=dark] .board-tag{color:var(--accent2);border-color:#4caf7d59}.ide-toolbar-actions{background:var(--bg3);border:1px solid var(--border);border-radius:8px;align-items:center;gap:.4rem;margin-left:.5rem;padding:.3rem;display:flex}.step-connector{color:var(--muted);user-select:none;padding:0 .05rem;font-size:.9rem;font-weight:700;line-height:1}.step-connector-arrow{color:var(--accent);font-size:.85rem}[data-theme=dark] .step-connector-arrow{color:var(--accent2)}.flow-info{border:1px solid var(--border);width:20px;height:20px;color:var(--muted);cursor:help;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:.45rem;padding:0;font-family:Georgia,Times New Roman,serif;font-size:.72rem;font-style:italic;font-weight:700;transition:color .15s,border-color .15s,background .15s;display:inline-flex}.flow-info:hover,.flow-info:focus-visible{color:var(--accent);border-color:var(--accent);background:var(--glow);outline:none}.step-btn{align-items:center;gap:.5rem;padding:.5rem 1rem .5rem .6rem;font-size:.85rem;display:inline-flex}.step-btn:before{content:attr(data-step);width:18px;height:18px;color:inherit;background:#00000014;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.68rem;font-weight:800;display:inline-flex}[data-theme=dark] .step-btn:before{background:#ffffff1f}.step-btn.primary:before,.step-btn.accent:before{background:#ffffff47}.step-btn.accent:before{background:#2ecc712e}.step-btn:disabled:before{opacity:.6}.step-btn.is-busy{cursor:progress}.step-btn.is-busy:before{content:"";background:0 0;border:2px solid #0000;border-color:currentColor #0000 #0000 currentColor;animation:.6s linear infinite btn-spin}@keyframes btn-spin{to{transform:rotate(360deg)}}.step-btn.is-error{animation:.35s btn-shake;border-color:var(--error)!important;color:var(--error)!important;background:#e74c3c1a!important}@keyframes btn-shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.status-pill{margin-left:auto}.ide-subbar{background:var(--bg2);border-bottom:1px solid var(--border);justify-content:flex-end;padding:.3rem clamp(.8rem,2vw,1.4rem);display:flex}.ide-subbar:has(.ide-auth-session[hidden]){display:none}.ide-auth-session{flex-shrink:0;align-items:center;display:flex;position:relative}.ide-auth-session[hidden]{display:none}.ide-auth-session-avatar{border:1px solid var(--border);width:26px;height:26px;color:var(--text);cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:border-color .15s,background .15s;display:flex}.ide-auth-session-avatar:hover,.ide-auth-session-avatar[aria-expanded=true]{border-color:var(--accent);background:var(--accent-soft)}.ide-auth-session-icon{color:var(--text);width:14px;height:14px}.ide-auth-session-dropdown{background:var(--bg2);border:1px solid var(--border);z-index:20;border-radius:8px;flex-direction:column;align-items:stretch;gap:.5rem;min-width:150px;padding:.65rem;display:none;position:absolute;top:calc(100% + .5rem);right:0;box-shadow:0 4px 14px #2d6a4f26}.ide-auth-session-dropdown.open{display:flex}.course-switcher{flex-shrink:1;align-items:center;min-width:0;display:flex;position:relative}.course-switcher[hidden]{display:none}.course-switcher-btn{border:1px solid var(--border);background:var(--bg3);height:30px;color:var(--text);cursor:pointer;border-radius:999px;align-items:center;gap:.35rem;min-width:0;max-width:220px;padding:0 .7rem;font-size:12.5px;font-weight:600;transition:border-color .15s,background .15s;display:flex}.course-switcher-btn span:first-child{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.course-switcher-btn svg{flex-shrink:0;transition:transform .15s}.course-switcher-btn[aria-expanded=true] svg{transform:rotate(180deg)}.course-switcher-btn:hover,.course-switcher-btn[aria-expanded=true]{border-color:var(--accent);background:var(--accent-soft)}@media (width<=640px){.course-switcher-btn{max-width:110px}}.course-switcher-dropdown{background:var(--bg2);border:1px solid var(--border);z-index:20;border-radius:8px;flex-direction:column;align-items:stretch;gap:.25rem;min-width:220px;padding:.4rem;display:none;position:absolute;top:calc(100% + .5rem);left:0;box-shadow:0 4px 14px #2d6a4f26}.course-switcher-dropdown.open{display:flex}.course-switcher-option{text-align:left;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.5rem .6rem;font-size:13px}.course-switcher-option:hover{background:var(--accent-soft)}.course-switcher-option.active{color:var(--accent);font-weight:700}.ide-auth-session-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:13px;font-weight:700;overflow:hidden}.ide-auth-session-name[hidden]{display:none!important}.ide-auth-session-profile{box-sizing:border-box;background:var(--accent,#2d6a4f);width:100%;font-size:12px;font-weight:600;font-family:var(--font-ui,inherit);cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;padding:.45rem .9rem;text-decoration:none;transition:opacity .2s,box-shadow .2s;display:flex;color:var(--accent-foreground)!important}.ide-auth-session-profile:hover{opacity:.9;background:var(--accent,#2d6a4f);box-shadow:0 4px 12px #2d6a4f40;color:var(--accent-foreground)!important}[data-theme=dark] .ide-auth-session-profile,[data-theme=dark] .ide-auth-session-profile:hover{box-shadow:0 4px 12px #4caf7d47;color:#0a120e!important}.ide-auth-session-logout{box-sizing:border-box;border:1px solid var(--border);width:100%;font-size:12px;font-weight:500;font-family:var(--font-ui,inherit);cursor:pointer;color:var(--text);background:0 0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;gap:.4rem;padding:.45rem .9rem;transition:border-color .2s,color .2s,background .2s;display:flex}.ide-auth-session-logout:hover{border-color:var(--accent);color:var(--accent2,var(--accent));background:var(--glow,transparent)}.ide-btn{appearance:none;border:1px solid var(--border);background:var(--bg3);color:var(--text);font-size:.82rem;font-weight:600;font-family:var(--font-ui);cursor:pointer;white-space:nowrap;border-radius:4px;padding:.5rem .9rem;transition:background .15s,transform 80ms,opacity .15s,border-color .15s}.ide-btn:hover:not(:disabled){background:var(--glow);border-color:var(--accent)}.ide-btn:active:not(:disabled){transform:translateY(1px)}.ide-btn:disabled{opacity:.35;cursor:not-allowed}.ide-btn.ghost{background:0 0}.ide-btn.small{border-radius:4px;padding:.4rem .7rem;font-size:.74rem}.ide-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-foreground)}.ide-btn.primary:hover:not(:disabled){background:var(--accent2);border-color:var(--accent2)}.ide-btn.accent{border-color:var(--success);color:var(--success);background:0 0}.ide-btn.accent:hover:not(:disabled){background:#2ecc711f}.status-pill{font-size:.7rem;font-weight:700;font-family:var(--font-ui);border:1px solid var(--border);white-space:nowrap;color:var(--muted);border-radius:999px;align-items:center;gap:.4rem;padding:.35rem .65rem;display:inline-flex}.status-pill i{background:currentColor;border-radius:50%;width:6px;height:6px;display:inline-block}.status-pill.online{color:var(--success);background:#2ecc7114;border-color:#2ecc7159}.status-pill.online i{animation:1.6s ease-in-out infinite pulse-dot}.status-pill.busy{color:var(--accent);background:var(--accent-soft);border-color:#2d6a4f59}[data-theme=dark] .status-pill.busy{color:var(--accent2);border-color:#4caf7d66}.status-pill.error{color:var(--error);background:#e74c3c14;border-color:#e74c3c66}@keyframes pulse-dot{0%,to{opacity:1;box-shadow:0 0 #2ecc7180}50%{opacity:.6;box-shadow:0 0 0 4px #2ecc7100}}.ide-body{grid-template-columns:1fr 6px var(--monitor-width,clamp(300px, 26vw, 460px));flex:1;min-height:0;display:grid}.pane-splitter{background:var(--border);cursor:col-resize;position:relative}.pane-splitter:after{content:"";position:absolute;inset:0 -3px}.pane-splitter:hover,.pane-splitter:active{background:var(--accent)}.pane{min-width:0;min-height:0;display:flex}.pane-code{flex-direction:column}.editor-pane{flex:1;min-height:0}.pane-monitor{background:var(--bg2);border-left:1px solid var(--border);flex-direction:column}.pane-header{font-size:.75rem;font-weight:700;font-family:var(--font-ui);background:var(--bg3);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;padding:.55rem .7rem;display:flex}.pane-controls{flex-wrap:wrap;align-items:center;gap:.45rem;display:flex}.pane-controls select{border:1px solid var(--border);background:var(--bg3);color:var(--text);font-size:.72rem;font-family:var(--font-ui);border-radius:4px;padding:.25rem .4rem}.autoscroll{color:var(--muted);font-size:.68rem;font-family:var(--font-ui);align-items:center;gap:.3rem;display:flex}.monitor-output{font-family:var(--font-mono);white-space:pre-wrap;word-break:break-word;color:var(--text);background:var(--bg);flex:1;margin:0;padding:.7rem;font-size:.76rem;line-height:1.55;overflow-y:auto}.log-splitter{cursor:row-resize;background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-shrink:0;height:11px;margin:0;position:relative}.log-splitter:before{content:"";background:var(--muted);opacity:.55;border-radius:3px;width:36px;height:4px;transition:opacity .15s,background .15s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.log-splitter:hover,.log-splitter.dragging{background:var(--glow)}.log-splitter:hover:before,.log-splitter.dragging:before{opacity:1;background:var(--accent)}[data-theme=dark] .log-splitter:hover:before,[data-theme=dark] .log-splitter.dragging:before{background:var(--accent2)}.ide-logbar{border-top:1px solid var(--border);background:var(--bg2);flex-shrink:0}[data-theme=dark] .ide-logbar{background:#0a120e}.ide-logbar summary{color:var(--muted);cursor:pointer;user-select:none;font-size:.7rem;font-weight:700;font-family:var(--font-ui);padding:.4rem .9rem}.ide-logbar pre{font-family:var(--font-mono);white-space:pre-wrap;color:var(--muted);margin:0;padding:0 1rem .7rem;font-size:.72rem;line-height:1.55}.ide-logbar pre .err{color:var(--error)}.ide-logbar pre .ok{color:var(--success)}@media (width<=1100px){.ide-btn{padding:.45rem .7rem;font-size:.78rem}.ide-btn.step-btn{padding:.45rem .85rem .45rem .5rem}.ide-brand{display:none}}@media (width<=640px){.ide-body{grid-template-rows:1fr 6px minmax(180px,34vh);grid-template-columns:1fr!important}.pane-splitter{cursor:row-resize}.pane-monitor{border-left:none;border-top:1px solid var(--border)}}@media (width>=1700px){.ide-body{grid-template-columns:minmax(0, 1400px) 6px var(--monitor-width,460px);justify-content:center}}