* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); letter-spacing: 0; }
.login-shell { width: min(100% - 40px, 440px); margin: 0 auto; padding: 48px 0; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
.login-brand { display: flex; align-items: center; gap: 16px; margin: 0 0 28px; }
.login-brand img { width: 64px; height: 64px; flex-shrink: 0; object-fit: contain; border: 1px solid var(--border); border-radius: 6px; }
.login-brand span { font: 700 21px/1.35 var(--font-heading); overflow-wrap: anywhere; }
.login-panel { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-top: 5px solid var(--accent); border-radius: 8px; }
.eyebrow { font-size: 12px; color: var(--brand-deep); margin: 0 0 12px; }
h1 { font: 700 28px/1.3 var(--font-heading); margin: 0 0 28px; }
label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; }
input, button { font: inherit; }
input { display: block; width: 100%; height: 48px; min-width: 0; border: 1px solid #a5a99f; border-radius: 5px; padding: 0 12px; color: var(--ink); background: var(--surface); margin-bottom: 20px; }
.password-field { position: relative; }
.password-field input { padding-right: 50px; }
.password-toggle { position: absolute; right: 4px; top: 4px; display: grid; place-items: center; width: 40px; height: 40px; border: 0; border-radius: 4px; background: transparent; color: var(--muted); }
.password-toggle svg { width: 21px; height: 21px; }
.password-toggle:hover { color: var(--ink); background: var(--surface-soft); }
button { cursor: pointer; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
.submit-button { width: 100%; height: 48px; border: 1px solid transparent; border-radius: 5px; background: var(--accent); color: var(--ink); font-size: 15px; font-weight: 700; }
.submit-button:hover { background: var(--accent-hover); }
.submit-button:disabled { background: var(--bg); color: var(--muted); cursor: wait; }
#challenge { min-height: 65px; max-width: 100%; margin-bottom: 14px; }
#login-message { min-height: 20px; font-size: 13px; line-height: 1.5; color: var(--danger); margin: 0 0 14px; overflow-wrap: anywhere; }
.access-note { font-size: 13px; line-height: 1.6; color: var(--muted); margin: 24px 0 0; }
footer { font-size: 12px; color: var(--muted); margin-top: 24px; text-align: center; }
@media (max-width: 440px) { .login-panel { padding: 28px 22px; } .login-brand span { font-size: 19px; } h1 { font-size: 25px; } }
@media (max-width: 380px) { .login-shell { width: calc(100% - 24px); padding: 24px 0; } .login-brand { gap: 12px; } }