:root{--bg:#0d0d0f;--panel:#121214;--panel-2:#19191c;--panel-hover:#202024;--stroke:#29292e;--stroke-strong:#3a3a41;--text:#f0f0f2;--muted:#8b8b93;--subtle:#5d5d65;--accent:#8ba3ff;--accent-soft:#8ba3ff1f;--accent-text:#bdcaff;--danger:#f07478;--radius:8px;--sidebar-width:224px;--topbar-height:48px;color:var(--text);background:var(--bg);font-synthesis:none;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=light]{--bg:#f7f7f8;--panel:#fff;--panel-2:#f0f0f2;--panel-hover:#e9e9ec;--stroke:#dfdfe3;--stroke-strong:#cacacf;--text:#18181b;--muted:#71717a;--subtle:#a1a1aa;--accent:#526ed3;--accent-soft:#526ed31a;--accent-text:#425bb1}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;overflow:hidden}body{background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{flex-direction:column;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.app-drag-over{outline:2px solid var(--accent);outline-offset:-5px}.app-drag-over .canvas-frame{pointer-events:none}.topbar{z-index:10;height:var(--topbar-height);border-bottom:1px solid var(--stroke);background:color-mix(in srgb, var(--panel) 94%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:0 12px;display:flex}.brand{color:inherit;align-items:center;gap:9px;text-decoration:none;display:flex}.brand-logo{border-radius:7px;width:28px;height:28px;display:block}.brand-text{align-items:center;display:flex}.brand-mark{letter-spacing:-.01em;font-size:14px;font-weight:600}.topbar-right,.user-chip,.theme-switch,.page-actions,.stage-meta{align-items:center;display:flex}.topbar-right{gap:10px}.user-chip{color:var(--muted);gap:8px;font-size:13px}.theme-switch{gap:7px}.theme-label{color:var(--subtle);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.theme-options{border:1px solid var(--stroke);background:var(--bg);border-radius:6px;gap:2px;padding:2px;display:flex}.theme-option{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px;padding:3px 8px;font-size:12px}.theme-option:hover{color:var(--text)}.theme-option.active{background:var(--panel-hover);color:var(--text);box-shadow:inset 0 0 0 1px var(--stroke)}.shell{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);flex:1;min-height:0;display:grid;overflow:hidden}.shell-full{grid-template-columns:minmax(0,1fr)}.sidebar{border-right:1px solid var(--stroke);background:var(--panel);flex-direction:column;padding:10px 8px;display:flex;overflow:auto}.nav{flex-direction:column;gap:2px;display:flex}.nav-item{width:100%;color:var(--muted);border:1px solid #0000;border-radius:6px;align-items:center;gap:9px;padding:7px 9px;font-size:13px;line-height:1.4;text-decoration:none;transition:all .12s;display:flex}.nav-item:hover{background:var(--panel-hover);color:var(--text)}.nav-item.active{background:var(--accent-soft);color:var(--accent-text);border-color:color-mix(in srgb, var(--accent) 18%, transparent)}.nav-icon{color:currentColor;place-items:center;width:15px;height:15px;font-family:ui-monospace,monospace;font-size:13px;display:grid}.sidebar-footer{border-top:1px solid var(--stroke);align-items:center;gap:7px;margin-top:auto;padding:9px;display:flex}.status-dot{background:#6fcf97;border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #6fcf971a}.sidebar-hint{text-overflow:ellipsis;min-width:0;color:var(--subtle);white-space:nowrap;margin:0;font-size:11px;overflow:hidden}.stage{background-color:var(--bg);background-image:linear-gradient(var(--stroke) 1px, transparent 1px), linear-gradient(90deg, var(--stroke) 1px, transparent 1px);background-position:-1px -1px;background-size:32px 32px;flex-direction:column;min-width:0;min-height:0;display:flex;position:relative;overflow:hidden}.page-stack{background:linear-gradient(180deg, color-mix(in srgb, var(--bg) 96%, transparent), var(--bg) 220px);scrollbar-gutter:stable;flex:1;min-height:0;padding:44px clamp(24px,5vw,72px) 72px;overflow:auto}.page-stack>*{max-width:1100px;margin-left:auto;margin-right:auto}.page-header{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;display:flex}.page-header h1{letter-spacing:-.035em;margin:3px 0 0;font-size:clamp(24px,3vw,34px);font-weight:560;line-height:1.15}.page-eyebrow,.page-kicker{color:var(--accent-text);text-transform:uppercase;letter-spacing:.12em;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:600}.page-kicker a{color:inherit;text-decoration:none}.page-sub{color:var(--muted);margin:9px 0 0;font-size:14px}.project-count{color:var(--subtle);margin-bottom:4px;font-family:ui-monospace,monospace;font-size:12px}.muted{color:var(--muted)}.inline-form{border-bottom:1px solid var(--stroke);gap:8px;margin-bottom:28px;padding-bottom:28px;display:flex;position:relative}.input-leading{color:var(--subtle);pointer-events:none;font-size:15px;position:absolute;top:9px;left:11px}.auth-card input,.inline-form input,.modal-card input,.modal-card select{border:1px solid var(--stroke);background:var(--panel);width:100%;min-height:34px;color:var(--text);border-radius:6px;padding:7px 10px;font-size:13px;transition:all .12s}.inline-form input{max-width:360px;padding-left:32px}input::placeholder{color:var(--subtle)}input:focus,select:focus{border-color:var(--stroke-strong);background:var(--panel-2);outline:none}.upload-btn{appearance:none;color:#fff;cursor:pointer;background:#5269bb;border:1px solid #627bd4;border-radius:6px;min-height:34px;padding:7px 13px;font-size:13px;font-weight:550;transition:all .12s;box-shadow:inset 0 1px #ffffff24}.upload-btn:hover:not(:disabled){background:#6078ce;transform:translateY(-1px)}.upload-btn:disabled{opacity:.55;cursor:default}.upload-input{display:none}.card-grid{grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:12px;display:grid}.project-card{border:1px solid var(--stroke);border-radius:var(--radius);background:var(--panel);min-width:0;transition:border-color .14s,transform .14s,box-shadow .14s;position:relative;overflow:hidden}.project-card:hover{border-color:var(--stroke-strong);transform:translateY(-2px);box-shadow:0 14px 36px #00000038}.project-card-link{color:inherit;text-decoration:none;display:block}.project-preview{border-bottom:1px solid var(--stroke);background:var(--bg);background-image:linear-gradient(color-mix(in srgb, var(--stroke) 70%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--stroke) 70%, transparent) 1px, transparent 1px);background-size:16px 16px;height:116px;padding:35px 22px 16px;position:relative;overflow:hidden}.preview-window{gap:4px;display:flex;position:absolute;top:14px;left:18px}.preview-window 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0;border:0;border-radius:5px;flex-shrink:0;font-size:16px;position:relative}.project-card>.nav-delete{opacity:0;height:26px;position:absolute;bottom:18px;right:9px}.project-card:hover>.nav-delete{opacity:1}.nav-delete:hover{color:var(--danger);background:#f074781a}.list-stack{flex-direction:column;gap:5px;display:flex}.list-row{border:1px solid var(--stroke);background:var(--panel);border-radius:7px;align-items:stretch;min-height:58px;transition:all .12s;display:flex}.list-row:hover{border-color:var(--stroke-strong);background:var(--panel-2)}.list-row-main{min-width:0;color:inherit;flex-direction:column;flex:1;justify-content:center;gap:4px;padding:10px 13px;text-decoration:none;display:flex}.list-row-main strong{font-size:13px;font-weight:550}.list-row-main .muted{text-overflow:ellipsis;white-space:nowrap;font-family:ui-monospace,monospace;font-size:11px;overflow:hidden}.list-row>.nav-delete{height:28px;margin:auto 8px}.share-open{color:var(--accent-text);margin-top:3px;font-size:11px}.stage-header{border-bottom:1px solid var(--stroke);background:color-mix(in srgb, var(--panel) 94%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding:8px 16px;display:flex}.stage-header h1{text-overflow:ellipsis;letter-spacing:-.01em;white-space:nowrap;max-width:36vw;margin:2px 0 0;font-size:14px;font-weight:560;overflow:hidden}.stage-meta{gap:7px;min-width:0;font-size:10px}.stage-body{flex:1;min-width:0;min-height:0;padding:20px;overflow:auto}.stage-body-frame{padding:0;overflow:hidden}.canvas-frame{background:var(--bg);border:0;width:100%;height:100%;display:block}.file-chip,.share-url{border:1px solid var(--stroke);background:var(--bg);color:var(--muted);border-radius:5px;padding:4px 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var(--topbar-height));background-image:radial-gradient(circle at center, var(--panel-2) 0, transparent 48%);place-items:center;padding:24px;display:grid}.auth-card{border:1px solid var(--stroke);background:var(--panel);border-radius:10px;flex-direction:column;gap:14px;width:min(100%,360px);padding:24px;display:flex;box-shadow:0 24px 80px #0000003d}.auth-card h1,.modal-card h2{letter-spacing:-.025em;margin:0;font-size:18px;font-weight:580}.auth-sub,.auth-foot{color:var(--muted);margin:-7px 0 2px;font-size:11px}.auth-foot{text-align:center;margin:2px 0 0}.auth-foot a{color:var(--accent-text)}.auth-card label,.modal-card label{color:var(--muted);flex-direction:column;gap:6px;font-size:11px;display:flex}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0000008f;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal-card{border:1px solid 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var(--stroke))}.toast-error{border-color:color-mix(in srgb, var(--danger) 42%, var(--stroke))}.toast-info{border-color:color-mix(in srgb, var(--accent) 40%, var(--stroke))}.toast-message{flex:1;font-size:11px;line-height:1.45}.toast-close{width:18px;height:18px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px}.toast-close:hover{background:var(--panel-hover);color:var(--text)}@media (width<=760px){:root{--sidebar-width:100%}.topbar{height:auto;min-height:var(--topbar-height);flex-wrap:wrap;padding:8px 10px}.theme-label,.user-chip>span{display:none}.shell{grid-template-rows:auto minmax(0,1fr);grid-template-columns:1fr}.shell-full{grid-template-rows:minmax(0,1fr)}.sidebar{border-right:0;border-bottom:1px solid var(--stroke);padding:6px}.nav{flex-direction:row;overflow-x:auto}.nav-item{flex:none;width:auto}.sidebar-footer{display:none}.page-stack{padding:28px 18px 48px}.page-header{align-items:flex-start}.project-count{display:none}.inline-form{flex-direction:column}.inline-form input{max-width:none}.input-leading{top:9px}.card-grid{grid-template-columns:1fr}.stage-header{flex-direction:column;align-items:flex-start}.stage-header h1{max-width:90vw}.stage-meta{flex-wrap:wrap;width:100%}.stage-meta>.muted{display:none}.file-chip{max-width:100%}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}