body.auth-locked {
    overflow: hidden;
}

.auth-gate {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 18% 8%, rgba(61, 124, 255, 0.22), transparent 22rem),
        radial-gradient(circle at 82% 18%, rgba(226, 86, 255, 0.16), transparent 24rem),
        rgba(6, 8, 20, 0.92);
    backdrop-filter: blur(18px);
}

.auth-gate[hidden] {
    display: none;
}

.auth-card {
    width: min(420px, 100%);
    padding: 28px 26px 24px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--panel);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
}

.auth-card .badge {
    margin-bottom: 14px;
}

.auth-card h2 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.auth-card p {
    margin: 10px 0 22px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

.auth-card label {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.auth-card input {
    width: 100%;
    margin-bottom: 14px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--ink);
    font: inherit;
    background: rgba(8, 12, 28, 0.72);
}

.auth-card input:focus {
    outline: 1px solid var(--cyan);
}

.auth-generated {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(8, 12, 28, 0.72);
}

.auth-generated code {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 15px;
    letter-spacing: 0.06em;
    word-break: break-all;
}

.auth-generated .auth-toggle {
    flex-shrink: 0;
}

.auth-hint {
    display: block;
    margin-bottom: 14px;
    color: var(--muted-dark);
    font-size: 12px;
    line-height: 1.45;
}

.auth-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.auth-submit,
.auth-toggle,
.auth-logout {
    cursor: pointer;
    border: 0;
    font: inherit;
}

.auth-submit {
    width: 100%;
    padding: 13px 16px;
    border-radius: 12px;
    color: #06101c;
    font-size: 14px;
    font-weight: 800;
    background: linear-gradient(120deg, var(--cyan), #7aa6ff);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: wait;
}

.auth-toggle {
    background: transparent;
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.auth-toggle:hover {
    color: var(--ink);
}

.auth-message {
    min-height: 20px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--muted);
}

.auth-message[data-kind="error"] {
    color: var(--danger);
}

.auth-message[data-kind="ok"] {
    color: var(--lime);
}

.auth-account {
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-account[hidden] {
    display: none !important;
}

.auth-user {
    max-width: 180px;
    overflow: hidden;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.auth-logout {
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--ink);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.04em;
    background: rgba(16, 23, 46, 0.8);
}

.auth-logout:hover {
    border-color: rgba(255, 113, 139, 0.45);
}

.auth-setup {
    margin-top: 8px;
    padding: 12px 14px;
    border: 1px dashed var(--line);
    border-radius: 12px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.auth-setup code {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 12px;
}

@media (max-width: 720px) {
    .auth-user {
        display: none;
    }
}