:root{--blue:#25358e;--navy:#182034;--light:#f4f7fc;--line:#d8deec}*{box-sizing:border-box}body{background:var(--light);color:var(--navy);margin:0;font-family:Arial,sans-serif}.sign-in-shell{justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.sign-in-card{border:1px solid var(--line);text-align:center;background:#fff;border-radius:20px;width:100%;max-width:540px;padding:2.25rem;box-shadow:0 16px 40px #15244e1f}.ndac-logo{width:100%;max-width:380px;height:auto;margin:0 auto 1.25rem}h1{color:var(--blue);margin:0;font-size:1.8rem}.intro{color:#586277;max-width:390px;margin:1rem auto 1.75rem;line-height:1.5}.private-note{color:#35436f;text-align:left;background:#eef2ff;border-radius:12px;margin:0 0 1.5rem;padding:1rem;font-size:.92rem;line-height:1.5}.microsoft-button{color:#182034;cursor:pointer;background:#fff;border:1px solid #aeb8cf;border-radius:8px;justify-content:center;align-items:center;gap:.75rem;width:100%;padding:.85rem 1rem;font-size:1rem;font-weight:700;display:flex}.microsoft-button:hover{border-color:var(--blue);box-shadow:0 2px 8px #25358e26}.microsoft-mark{background:#f25022;grid-template-columns:8px 8px;gap:2px;width:18px;height:18px;display:grid}.microsoft-mark i:nth-child(2){background:#7fba00}.microsoft-mark i:nth-child(3){background:#00a4ef}.microsoft-mark i:nth-child(4){background:#ffb900}.help{color:#667188;margin:1.25rem 0 0;font-size:.85rem;line-height:1.45}.studio-shell{max-width:1050px;margin:0 auto;padding:2rem}.studio-header{justify-content:space-between;align-items:center;gap:1rem;padding-bottom:1.5rem;display:flex}.studio-header img{max-width:190px;height:auto}.studio-header h1{font-size:1.6rem}.eyebrow{color:#657094;letter-spacing:.1em;margin:0 0 .25rem;font-size:.72rem;font-weight:700}.sign-out{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;padding:.6rem .8rem}.welcome,.coming-soon{border:1px solid var(--line);background:#fff;border-radius:16px;padding:1.75rem}.welcome{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.welcome h2,.coming-soon h2{margin:.1rem 0 .5rem}.welcome p,.coming-soon p{color:#586277;margin:0;line-height:1.5}.welcome>button{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:.85rem 1rem;font-weight:700}@media (max-width:620px){.studio-shell{padding:1rem}.studio-header{flex-wrap:wrap;align-items:flex-start}.studio-header img{max-width:145px}.welcome{flex-direction:column;align-items:flex-start;gap:1rem}}