.email-auth-shell {
    width: min(100% - 32px, 520px);
    margin: 56px auto;
}

.email-auth-card {
    position: relative;
    overflow: hidden;
    padding: 34px;
    border: 1px solid color-mix(in srgb, var(--border, #334155) 82%, #f5ad45 18%);
    border-radius: 20px;
    background:
        radial-gradient(circle at 100% 0, rgba(245, 173, 69, .13), transparent 38%),
        color-mix(in srgb, var(--card, #111827) 94%, transparent);
    box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

.email-auth-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    color: #f5ad45;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.email-auth-card h1 {
    margin: 0 0 8px;
    color: var(--fg, #f8fafc);
    font-size: clamp(28px, 5vw, 38px);
    line-height: 1.08;
}

.email-auth-lead {
    margin: 0 0 26px;
    color: var(--muted, #94a3b8);
    line-height: 1.55;
}

.email-auth-alert {
    margin: 0 0 20px;
    padding: 13px 15px;
    border: 1px solid rgba(239, 68, 68, .35);
    border-radius: 11px;
    color: #fecaca;
    background: rgba(127, 29, 29, .28);
}

.email-auth-field {
    margin-bottom: 17px;
}

.email-auth-field label {
    display: block;
    margin-bottom: 7px;
    color: var(--fg, #e5e7eb);
    font-size: 14px;
    font-weight: 700;
}

.email-auth-field input {
    width: 100%;
    box-sizing: border-box;
    padding: 13px 14px;
    border: 1px solid var(--border, #334155);
    border-radius: 11px;
    outline: 0;
    color: var(--fg, #f8fafc);
    background: color-mix(in srgb, var(--bg, #0b1120) 88%, #fff 2%);
    transition: border-color .18s ease, box-shadow .18s ease;
}

.email-auth-field input:focus {
    border-color: #f5ad45;
    box-shadow: 0 0 0 3px rgba(245, 173, 69, .15);
}

.email-auth-help {
    margin-top: 7px;
    color: var(--muted, #94a3b8);
    font-size: 12px;
    line-height: 1.45;
}

.email-auth-submit,
.email-auth-secondary {
    display: inline-flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    box-sizing: border-box;
    border-radius: 11px;
    font-weight: 800;
    cursor: pointer;
    transition: transform .18s ease, filter .18s ease;
}

.email-auth-submit {
    border: 0;
    color: #16110a;
    background: linear-gradient(135deg, #ffd27e, #f09a2a);
}

.email-auth-secondary {
    margin-top: 10px;
    border: 1px solid var(--border, #334155);
    color: var(--fg, #f8fafc);
    background: transparent;
}

.email-auth-submit:hover,
.email-auth-secondary:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

.email-auth-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
    font-size: 14px;
}

.email-auth-links a {
    color: #f5ad45;
    text-decoration: none;
}

.email-auth-code input {
    text-align: center;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: .34em;
}

@media (max-width: 560px) {
    .email-auth-shell { margin: 24px auto; }
    .email-auth-card { padding: 24px 20px; }
    .email-auth-links { flex-direction: column; }
}