:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#111827;background:#f3f4f6}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}h1,p{margin:0}.app-shell{min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.5rem;background:#111827;color:#fff}.app-header__brand{font-weight:800}.app-header nav{display:flex;align-items:center;gap:1rem}.app-header__session{display:flex;align-items:center;gap:.75rem}.profile-chip{display:flex;align-items:center;gap:.65rem;min-width:0;max-width:min(440px,45vw);padding:.35rem .45rem;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#ffffff14}.profile-chip__avatar{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;flex:0 0 auto;border-radius:999px;background:#f9fafb;color:#111827;font-size:.78rem;font-weight:700;object-fit:cover}.profile-chip__meta{display:grid;min-width:0;line-height:1.15}.profile-chip__meta strong,.profile-chip__meta small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-chip__meta strong{font-size:.9rem}.profile-chip__meta small{color:#d1d5db;font-size:.75rem}.page{max-width:960px;margin:0 auto;padding:2rem 1.5rem 3rem}.auth-page{display:grid;min-height:calc(100vh - 4.5rem);place-items:center}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 10px 25px #00000014}.auth-card{width:min(100%,420px)}.stack,.form{display:grid;gap:1rem}.field{display:grid;gap:.5rem}.field input{width:100%;padding:.75rem .875rem;border:1px solid #d1d5db;border-radius:8px;background:#fff}.actions{display:flex;gap:.75rem;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1rem;border:0;border-radius:8px;background:#2563eb;color:#fff;cursor:pointer}.button.secondary{background:#e5e7eb;color:#111827}.button:disabled{cursor:not-allowed;opacity:.7}.muted{color:#6b7280}.eyebrow{color:#2563eb;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.error{color:#b91c1c}.session-details{display:grid;gap:.75rem;margin:0}.session-details div{display:grid;gap:.2rem}.session-details dt{color:#6b7280;font-size:.85rem;font-weight:700}.session-details dd{margin:0}@media(max-width:720px){.app-header,.app-header nav,.app-header__session{align-items:flex-start;flex-direction:column}.profile-chip{max-width:calc(100vw - 3rem)}}