:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:oklch(97.5% .005 58);--surface:oklch(99.5% .003 58);--surface-alt:oklch(95.5% .008 58);--surface-selected:oklch(94.5% .022 58);--text:oklch(26% .02 52);--muted:oklch(49% .024 52);--line:oklch(89% .012 58);--line-strong:oklch(80% .018 56);--accent:oklch(55% .11 50);--accent-strong:oklch(45% .115 48);--accent-soft:oklch(93% .03 60);--accent-ink:oklch(99% .004 58);--danger:oklch(50% .16 32);--warning:oklch(58% .12 72);--success:oklch(50% .1 150);--focus:oklch(68% .1 54);--radius:8px;--radius-sm:6px;--ease:cubic-bezier(.22, 1, .36, 1);--z-sticky:100;--z-overlay:400}[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:oklch(19% .008 52);--surface:oklch(22.5% .01 52);--surface-alt:oklch(26.5% .012 52);--surface-selected:oklch(30% .024 54);--text:oklch(93% .012 60);--muted:oklch(71% .02 58);--line:oklch(32% .012 54);--line-strong:oklch(42% .018 54);--accent:oklch(70% .11 60);--accent-strong:oklch(80% .1 62);--accent-soft:oklch(32% .035 54);--accent-ink:oklch(18% .01 52);--danger:oklch(68% .15 32);--warning:oklch(74% .12 78);--success:oklch(72% .12 152);--focus:oklch(62% .1 58)}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;font-size:14px;line-height:1.45}a{color:inherit}::selection{background:var(--accent-soft);color:var(--accent-strong)}::placeholder{color:var(--muted);opacity:1}.app-header{z-index:var(--z-sticky);border-bottom:1px solid var(--line);background:color-mix(in oklch, var(--surface) 86%, transparent);-webkit-backdrop-filter:saturate(1.4)blur(8px);backdrop-filter:saturate(1.4)blur(8px);justify-content:space-between;align-items:center;gap:16px;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.brand{letter-spacing:-.01em;color:var(--text);align-items:center;gap:10px;font-size:15px;font-weight:650;text-decoration:none;display:inline-flex}.brand-mark{background:linear-gradient(150deg, var(--accent), var(--accent-strong));width:14px;height:14px;box-shadow:inset 0 0 0 1px color-mix(in oklch, var(--accent-strong) 40%, transparent);border-radius:4px}.header-actions{align-items:center;gap:10px;min-width:0;display:flex}.session-email{max-width:min(32vw,240px);color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.icon-button{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);width:34px;min-width:0;height:34px;color:var(--muted);cursor:pointer;transition:color .15s var(--ease), border-color .15s var(--ease), background .15s var(--ease);place-items:center;padding:0;display:inline-grid}.icon-button:hover{color:var(--text);border-color:var(--line-strong);background:var(--surface-alt)}.icon-button svg{width:17px;height:17px}.shell{width:min(100%,1180px);margin:0 auto;padding:28px 24px 48px}.workbench{gap:20px;display:grid}.center{place-items:center;min-height:calc(100vh - 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