/* ── Login Page ── */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 2rem;
}
.login-card {
    width: 26rem; max-width: 100%; background: var(--surface);
    border: 1px solid var(--hairline-strong); box-shadow: 0 30px 80px -20px rgba(0,0,0,0.2);
    position: relative; overflow: hidden;
}
.login-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--signal);
}
.login-header {
    padding: 2rem 2rem 1rem; text-align: center;
}
.login-logo {
    font-family: var(--font-display); font-size: 1.4rem; font-weight: 600;
    color: var(--ink); margin-bottom: 0.25rem;
}
.login-subtitle {
    font-family: var(--font-mono); font-size: 0.5625rem; font-weight: 500;
    letter-spacing: 0.18em; text-transform: uppercase; color: var(--signal);
    margin-bottom: 1.5rem;
}
.login-body { padding: 0 2rem 2rem; }
.login-error {
    padding: 0.6rem 0.75rem; margin-bottom: 1rem; border: 1px solid var(--err);
    background: rgba(224, 62, 45, 0.06); color: var(--err);
    font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.04em;
    display: none;
}
.login-error.show { display: block; }
.login-footer {
    padding: 0.75rem 2rem; border-top: 1px solid var(--hairline);
    text-align: center; font-family: var(--font-mono); font-size: 0.5625rem;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.login-footer strong { color: var(--signal); }

/* Focus animation on login card */
.login-card:focus-within { border-color: var(--signal); }

/* ── Login Responsive ── */
@media (max-width: 480px) {
    .login-page { padding: 1rem; align-items: flex-start; padding-top: 2.5rem; }
    .login-header { padding: 1.5rem 1.25rem 0.75rem; }
    .login-logo { font-size: 1.2rem; }
    .login-body { padding: 0 1.25rem 1.5rem; }
    .login-footer { padding: 0.5rem 1.25rem; font-size: 0.5rem; }
}