.sf-passkey-gate {
    --pk-accent: var(--lux-accent, var(--sf-accent-color, #2f6df6));
    --pk-text: var(--lux-text, var(--sf-text, #0f172a));
    --pk-muted: var(--lux-muted, var(--sf-muted, #64748b));
    --pk-line: var(--lux-line, var(--sf-border, rgba(15, 23, 42, 0.12)));
    --pk-surface: var(--lux-surface, var(--sf-surface-bg, #fff));
    margin-top: 1.15rem;
}

.sf-passkey-gate__or {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0 0 0.95rem;
    color: var(--pk-muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.sf-passkey-gate__or::before,
.sf-passkey-gate__or::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pk-line), transparent);
}

.sf-passkey-cta {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    width: 100%;
    padding: 0.85rem 1rem;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--pk-accent) 28%, var(--pk-line));
    border-radius: 1rem;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--pk-accent) 10%, var(--pk-surface)) 0%, var(--pk-surface) 55%);
    color: var(--pk-text);
    box-shadow:
        0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
        0 12px 28px color-mix(in srgb, var(--pk-accent) 14%, transparent);
    text-align: left;
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.sf-passkey-cta:hover,
.sf-passkey-cta:focus-visible {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--pk-accent) 55%, var(--pk-line));
    box-shadow:
        0 1px 0 color-mix(in srgb, #fff 70%, transparent) inset,
        0 16px 34px color-mix(in srgb, var(--pk-accent) 22%, transparent);
    outline: none;
}

.sf-passkey-cta__glow {
    position: absolute;
    inset: auto -20% -70% auto;
    width: 9rem;
    height: 9rem;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--pk-accent) 35%, transparent), transparent 68%);
    pointer-events: none;
}

.sf-passkey-cta__icon {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 2.6rem;
    height: 2.6rem;
    flex: 0 0 2.6rem;
    border-radius: 0.85rem;
    background: linear-gradient(180deg, color-mix(in srgb, var(--pk-accent) 92%, #fff), var(--pk-accent));
    color: #fff;
    font-size: 1.25rem;
    box-shadow: 0 8px 18px color-mix(in srgb, var(--pk-accent) 38%, transparent);
}

.sf-passkey-cta__text {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 0.12rem;
    min-width: 0;
    flex: 1;
}

.sf-passkey-cta__text strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.sf-passkey-cta__text span {
    display: block;
    color: var(--pk-muted);
    font-size: 0.78rem;
    line-height: 1.35;
}

.sf-passkey-cta__go {
    position: relative;
    z-index: 1;
    color: var(--pk-accent);
    font-size: 1.05rem;
    opacity: 0.85;
}

.sf-passkey-cta.is-busy {
    pointer-events: none;
    opacity: 0.78;
}

.sf-passkey-cta.is-busy .sf-passkey-cta__icon {
    animation: sf-passkey-pulse 1.1s ease-in-out infinite;
}

.sf-passkey-gate__meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0.7rem 0 0;
    color: var(--pk-muted);
    font-size: 0.78rem;
}

.sf-passkey-gate__meta .bi {
    color: var(--pk-accent);
}

.sf-passkey-status {
    margin: 0.7rem 0 0;
    padding: 0.65rem 0.8rem;
    border-radius: 0.75rem;
    font-size: 0.82rem;
}

.sf-passkey-status--danger {
    background: color-mix(in srgb, #ef4444 12%, var(--pk-surface));
    color: #b91c1c;
}

.sf-passkey-status--warning {
    background: color-mix(in srgb, #f59e0b 14%, var(--pk-surface));
    color: #b45309;
}

.sf-passkey-status--success {
    background: color-mix(in srgb, #10b981 14%, var(--pk-surface));
    color: #047857;
}

.sf-passkey-empty,
.sf-passkey-device {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 0.2rem;
}

.sf-passkey-empty {
    justify-content: flex-start;
    padding: 1.1rem;
    border: 1px dashed color-mix(in srgb, var(--pk-accent) 28%, var(--pk-line));
    border-radius: 1rem;
    background: color-mix(in srgb, var(--pk-accent) 6%, var(--pk-surface));
}

.sf-passkey-empty p {
    margin: 0;
}

.sf-passkey-empty p + p {
    margin-top: 0.2rem;
    color: var(--pk-muted);
    font-size: 0.82rem;
}

.sf-passkey-device {
    border-bottom: 1px solid var(--pk-line);
}

.sf-passkey-device:last-child {
    border-bottom: 0;
}

.sf-passkey-device__icon {
    display: grid;
    place-items: center;
    width: 2.35rem;
    height: 2.35rem;
    flex: 0 0 2.35rem;
    border-radius: 0.8rem;
    background: color-mix(in srgb, var(--pk-accent) 12%, var(--pk-surface));
    color: var(--pk-accent);
    font-size: 1.15rem;
}

.sf-passkey-device > div:not(form) {
    flex: 1;
    min-width: 0;
}

.sf-passkey-device span {
    display: block;
    color: var(--pk-muted);
    font-size: 0.75rem;
}

@keyframes sf-passkey-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(0.92); }
}

html[data-bs-theme="dark"] .sf-passkey-gate,
html[data-ui-mode="dark"] .sf-passkey-gate {
    --pk-text: #e8eef8;
    --pk-muted: #94a3b8;
    --pk-line: rgba(148, 163, 184, 0.28);
    --pk-surface: #121a28;
}

html[data-bs-theme="dark"] .sf-passkey-cta,
html[data-ui-mode="dark"] .sf-passkey-cta {
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
}

html[data-bs-theme="dark"] .sf-passkey-status--danger {
    color: #fecaca;
}

html[data-bs-theme="dark"] .sf-passkey-status--warning {
    color: #fde68a;
}

html[data-bs-theme="dark"] .sf-passkey-status--success {
    color: #bbf7d0;
}