* { box-sizing: border-box; }
body { margin: 0; background: #f9fafb; color: #111827; }
.auth { width: min(100% - 2rem, 27rem); margin: clamp(2rem, 9vh, 6rem) auto; }
.auth .brand { display: block; width: 188px; margin: 0 auto 1.5rem; }
.auth-card { padding: clamp(1.25rem, 5vw, 2rem); border: 1px solid #e5e7eb; border-radius: 0.75rem; background: #fff; }
h1 { margin: 0 0 1rem; font-size: 1.55rem; letter-spacing: -0.025em; }
p { color: #4b5563; font-size: 0.9rem; }
form { display: grid; gap: 0.65rem; }
label { margin-top: 0.25rem; font-size: 0.875rem; font-weight: 600; }
input { min-width: 0; width: 100%; padding: 0.65rem 0.75rem; border: 1px solid #d1d5db; border-radius: 0.4rem; font: inherit; }
input:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }
cap-widget { display: block; min-height: 55px; margin-top: 0.4rem; }
.auth-help { margin: 0; }
.auth-help:empty { display: none; }
#cap-feedback[data-state="verified"] { color: var(--brand-800); }
.auth-error, .auth-notice { padding: 0.65rem 0.8rem; border-radius: 0.4rem; }
.auth-error { color: #111827; background: #f9fafb; border-left: 3px solid var(--accent-500); }
.auth-notice { color: var(--brand-800); background: var(--brand-50); }
button { padding: 0.7rem; border: 0; border-radius: 0.4rem; color: white; background: var(--brand-600); font: inherit; font-weight: 600; cursor: pointer; }
button:hover { background: var(--brand-700); }
nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-top: 1rem; font-size: 0.875rem; }
a { color: var(--brand-600); }
a:hover { color: var(--brand-700); }