*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif}#root{min-height:100vh}button,input[type=text],input[type=email],input[type=password],select,textarea{font:inherit;box-sizing:border-box;font-size:1rem}button,input[type=text],input[type=email],input[type=password],select{border:1px solid #d7dbe0;border-radius:6px;min-height:2.75rem;padding:.5rem .75rem}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}.app-shell{background:var(--color-bg,#f4f5f7);min-height:100vh;color:var(--color-text,#1a2130)}.app-header{background:var(--color-surface,#fff);border-bottom:1px solid var(--color-border,#d7dbe0);align-items:center;gap:2rem;padding:.9rem 1.5rem;display:flex}.app-nav-toggle{border:1px solid var(--color-border,#d7dbe0);border-radius:var(--radius,6px);min-width:2.75rem;min-height:2.75rem;color:var(--color-text,#1a2130);cursor:pointer;background:0 0;margin-left:auto;font-size:1.1rem;line-height:1;display:none}.app-header-collapsible{flex:1;align-items:center;gap:2rem;display:flex}.app-auth{align-items:center;gap:1rem;margin-left:auto;display:flex}.app-auth__email{color:var(--color-text-muted,#5b6472);font-size:.85rem}.app-auth__logout{border:1px solid var(--color-border,#d7dbe0);border-radius:var(--radius,6px);color:var(--color-text,#1a2130);cursor:pointer;background:0 0;padding:.3rem .7rem;font-family:inherit;font-size:.85rem}.app-auth__logout:hover{background:var(--color-accent-bg,#e7eaf0)}.app-title{font-size:1rem;font-weight:700}.app-nav{gap:1.25rem;display:flex}.app-nav__link{color:var(--color-text-muted,#5b6472);border-bottom:2px solid #0000;padding:.25rem 0;font-size:.9rem;font-weight:500;text-decoration:none}.app-nav__link:hover{color:var(--color-text,#1a2130)}.app-nav__link--active{color:var(--color-accent,#22314f);border-bottom-color:var(--color-accent,#22314f)}.app-main{max-width:960px;margin:0 auto;padding:1.5rem}@media (width<=860px){.app-header{flex-wrap:wrap}.app-nav-toggle{display:block}.app-header-collapsible{flex-direction:column;order:3;align-items:stretch;gap:0;width:100%;display:none}.app-header-collapsible--open{display:flex}.app-nav{flex-direction:column;gap:0}.app-nav__link{border-bottom:1px solid var(--color-border,#d7dbe0);padding:.85rem .25rem}.app-auth{flex-direction:column;align-items:stretch;gap:0;margin-left:0}.app-auth__email{padding:.85rem .25rem}.app-auth__logout{margin:.5rem 0 .75rem}}@media (width<=480px){.app-main{padding:1rem}.app-header{padding:.75rem 1rem}}