:root{--primary:217 91% 60%;--primary-foreground:210 40% 98%;--secondary:43 74% 66%;--background:222 47% 11%;--foreground:210 40% 98%;--card:217 33% 17%;--border:217 33% 17%;--guidance:217 91% 60%;--voice:263 70% 50%;--caution:38 92% 50%;--error:0 62.8% 50%;--success:43 74% 66%;--academy-ink:hsl(var(--foreground));--academy-muted:#889fc3;--academy-bg-deep:hsl(var(--background));--academy-bg-mid:#18212f;--academy-blue-vibrant:hsl(var(--primary));--academy-blue-bright:#639cf8;--academy-blue-sky:hsl(var(--guidance));--academy-blue-glow:#0a5adb;--academy-panel:hsla(var(--card) / .88);--academy-panel-border:hsla(var(--primary) / .28);--academy-heading:hsl(var(--foreground));--academy-subheading:#e2ebf3;--academy-eyebrow:hsl(var(--guidance));--academy-sidebar:hsla(var(--background) / .92);--academy-sidebar-border:hsla(var(--primary) / .22);--academy-brand:#94bbfa;--academy-button-text:hsl(var(--foreground));--academy-shadow:0 4px 20px -5px #0000004d, 0 0 20px -5px hsla(var(--primary) / .15);color:hsl(var(--foreground));background:hsl(var(--background));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.light-mode,[data-theme=light]{--primary:221 83% 53%;--secondary:43 74% 66%;--background:210 40% 98%;--foreground:222 47% 11%;--card:0 0% 100%;--border:214.3 31.8% 91.4%;--academy-muted:#525e7a;--academy-bg-deep:hsl(var(--background));--academy-bg-mid:#f1f5f9;--academy-panel:hsl(var(--card));--academy-panel-border:hsl(var(--border));--academy-sidebar:#f4f7fa;--academy-sidebar-border:hsl(var(--border))}*,:before,:after{box-sizing:border-box}body{min-height:100vh;color:hsl(var(--foreground));background:radial-gradient(circle at 12% 0%, hsla(var(--primary) / .35), transparent 38%), radial-gradient(circle at 88% 100%, hsla(var(--voice) / .12), transparent 42%), linear-gradient(165deg, #18212f 0%, hsl(var(--background)) 55%, #0b111e 100%);margin:0}body:before{content:"";pointer-events:none;opacity:.035;z-index:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:0}#root{z-index:1;position:relative}a{color:inherit}.page-shell,.login-page{max-width:720px;margin:0 auto;padding:24px}.login-page{align-content:center;gap:18px;min-height:100vh;display:grid}.login-page--v2{max-width:880px}.login-page .panel:first-of-type,.login-page .welcome-intro+.panel{box-shadow:0 8px 30px -10px #0006, 0 0 24px -6px hsla(var(--primary) / .2)}.app-shell{grid-template-columns:280px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--academy-sidebar);border-right:1px solid var(--academy-sidebar-border);box-sizing:border-box;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);height:100vh;padding:28px 20px;position:sticky;top:0}.brand{color:var(--academy-brand);letter-spacing:-.02em;margin-bottom:20px;font-size:20px;font-weight:800}.auth-status{border-bottom:1px solid hsla(var(--primary) / .14);margin-bottom:22px;padding-bottom:18px}.auth-status p{color:var(--academy-muted);margin:0 0 8px;font-size:13px}.sidebar nav{gap:8px;display:grid}.sidebar a{color:var(--academy-muted);border-radius:12px;padding:10px 12px;font-weight:500;text-decoration:none;transition:background .2s,color .2s}.sidebar a:hover{background:hsla(var(--primary) / .16);color:var(--academy-ink)}.content{max-width:1180px;padding:40px}.stack{gap:18px;display:grid}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;display:grid}.panel,.card,.structurd-panel{background:hsla(var(--card) / .82);border:1px solid hsla(var(--border) / .9);-webkit-backdrop-filter:blur(14px);box-shadow:0 4px 20px -5px #0000004d, 0 0 20px -5px hsla(var(--primary) / .15);border-radius:1rem;padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}.panel.hover-lift:hover,.structurd-panel.hover-lift:hover,.structurd-panel-hover:hover,.card.hover-lift:hover,.card.structurd-panel-hover:hover{box-shadow:0 8px 30px -10px #0006, 0 0 20px -5px hsla(var(--primary) / .15);border-color:hsla(var(--primary) / .3);transform:translateY(-3px)scale(1.005)}.structurd-panel-hover,.hover-lift{transition:transform .25s,box-shadow .25s,border-color .25s}.hover-lift:hover{border-color:hsla(var(--primary) / .3);box-shadow:0 8px 30px -10px #0006, 0 0 20px -5px hsla(var(--primary) / .15);transform:translateY(-3px)scale(1.005)}.glass-smoky{background:hsla(var(--card) / .72);border:1px solid hsla(var(--foreground) / .08);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.glass-purple{background:linear-gradient(135deg, hsla(var(--voice) / .22), hsla(var(--card) / .75));border:1px solid hsla(var(--voice) / .35);box-shadow:0 0 20px -5px hsla(var(--voice) / .2)}.glass-amber{background:linear-gradient(135deg, hsla(var(--caution) / .18), hsla(var(--card) / .75));border:1px solid hsla(var(--caution) / .35);box-shadow:0 0 20px -5px hsla(var(--caution) / .18)}.glass-red{background:linear-gradient(135deg, hsla(var(--error) / .16), hsla(var(--card) / .75));border:1px solid hsla(var(--error) / .35);box-shadow:0 0 20px -5px hsla(var(--error) / .18)}.structurd-locked{opacity:.92;border-style:dashed;border-color:hsla(var(--caution) / .45);background:linear-gradient(135deg, hsla(var(--card) / .78), hsla(var(--caution) / .08))}.structurd-locked .eyebrow{color:hsl(var(--caution))}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:hsl(var(--guidance));font-size:12px;font-weight:800}h1{color:var(--academy-heading);letter-spacing:-.03em;margin:8px 0 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.3);transform:translateY(-3px)scale(1.02)}.button:not(.secondary):hover:not(:disabled):before,.btn-glass:hover:not(:disabled):before{transform:translate(120%)}.button.secondary{color:var(--academy-ink);border-color:hsla(var(--primary) / .35);box-shadow:none;background:0 0}.button.secondary:hover:not(:disabled){background:hsla(var(--primary) / .1);box-shadow:none;transform:translateY(-2px)}.button:disabled,.btn-glass:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}.actions{flex-wrap:wrap;gap:12px;display:flex}.choices{gap:10px;margin:18px 0;display:grid}.choice{text-align:left;background:hsla(var(--foreground) / .04);border:1px solid hsla(var(--primary) / .18);color:var(--academy-ink);cursor:pointer;border-radius:14px;min-height:44px;padding:14px;transition:border-color .2s,background .2s}.notice{background:hsla(var(--guidance) / .14);border:1px solid hsla(var(--guidance) / .35);color:#e2ebf3;border-radius:12px;padding:12px 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.22);border-radius:1rem;padding:clamp(28px,6vw,48px) clamp(22px,5vw,40px);position:relative;overflow:hidden}.welcome-intro__backdrop{pointer-events:none;position:absolute;inset:0;overflow:hidden}.welcome-intro__content{z-index:1;justify-items:center;gap:10px;display:grid;position:relative}.welcome-intro__headline{letter-spacing:-.04em;background:linear-gradient(135deg, hsl(var(--foreground)), hsl(var(--primary)));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(42px,8vw,72px);line-height:.95}.welcome-intro__sequence{min-height:1.4em;color:hsl(var(--secondary));letter-spacing:-.02em;margin:0;font-size:clamp(22px,4vw,32px);font-weight:800;animation:.45s cubic-bezier(.16,1,.3,1) 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