.sync-security-panel,
.sync-lab-panel {
    display: grid;
    gap: 14px;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: color-mix(in srgb, var(--card) 92%, var(--accent) 8%);
}

.sync-security-panel[hidden],
.sync-lab-panel[hidden],
.sync-vault-form[hidden],
.sync-inline-form[hidden] {
    display: none !important;
}

.sync-security-panel > div:first-child,
.sync-lab-panel > div:first-child {
    display: grid;
    gap: 4px;
}

.sync-security-panel small,
.sync-lab-panel small {
    color: var(--accent-deep);
    font-family: Helvetica, Arial, sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
}

.sync-security-panel strong,
.sync-lab-panel strong {
    font-size: 17px;
}

.sync-security-panel span,
.sync-lab-panel span {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.sync-vault-form,
.sync-inline-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: end;
}

.sync-inline-form.multi-field {
    grid-template-columns: minmax(0, 1.1fr) minmax(190px, .9fr) auto;
}

.sync-vault-form label {
    display: grid;
    gap: 6px;
}

.sync-vault-form label > span {
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
}

.sync-vault-form input,
.sync-inline-form input {
    width: 100%;
    min-height: 42px;
    padding: 0 13px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    color: var(--text);
    background: var(--card);
    font: inherit;
}

.lab-invite-result {
    display: grid;
    gap: 10px;
    padding-top: 2px;
}

.lab-invite-result code {
    display: block;
    max-height: 72px;
    overflow: auto;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text);
    background: var(--surface);
    font: 11px/1.45 Helvetica, Arial, sans-serif;
    overflow-wrap: anywhere;
}

.lab-invite-result > div {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.sync-control[data-sync-state="locked"]::before {
    background: #f0ad32;
}

.schedule-privacy-note {
    color: var(--muted);
    font-size: 12px;
}

.dark-theme .sync-security-panel,
.dark-theme .sync-lab-panel {
    background: color-mix(in srgb, var(--card) 95%, var(--accent) 5%);
}

@media (max-width: 640px) {
    .sync-vault-form,
    .sync-inline-form {
        grid-template-columns: 1fr;
    }

    .sync-security-panel,
    .sync-lab-panel {
        padding: 15px;
    }
}

.sync-login-form[hidden],
.sync-auth-mode-actions[hidden] {
    display: none !important;
}

.sync-login-form {
    align-items: end;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sync-auth-mode-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 0 22px 14px;
}

.sync-auth-mode-actions button[aria-selected="true"] {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 18%, var(--card));
}

.sync-account {
    grid-template-columns: 1fr;
}

.sync-login-form > label {
    min-width: 0;
}

.sync-auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    grid-column: 1 / -1;
}

.sync-auth-note {
    margin: -8px 22px 18px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.lab-workspace-panel[hidden],
.lab-email-invite[hidden],
.sync-inline-form[hidden] {
    display: none !important;
}

.lab-workspace-head {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

.lab-workspace-head > div {
    display: grid;
    gap: 4px;
}

.lab-workspace-head > b {
    display: grid;
    min-width: 38px;
    min-height: 38px;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--line));
    border-radius: 50%;
    background: color-mix(in srgb, var(--accent) 15%, var(--card));
    color: var(--text);
}

.lab-membership-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 8px;
}

.lab-membership-list > p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.lab-membership-button {
    display: grid;
    gap: 3px;
    min-width: 0;
    padding: 11px 13px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--card);
    color: var(--text);
    text-align: left;
    cursor: pointer;
}

.lab-membership-button strong {
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lab-membership-button span {
    font-size: 11px;
}

.lab-membership-button.active {
    border-color: var(--accent);
    box-shadow: inset 3px 0 0 var(--accent);
    background: color-mix(in srgb, var(--card) 88%, var(--accent) 12%);
}

.lab-membership-button.no-lab {
    border-style: dashed;
}

.lab-mode-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.lab-mode-actions button[aria-selected="true"] {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 18%, var(--card));
}

.lab-email-invite {
    display: grid;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.lab-email-invite > div {
    display: grid;
    gap: 3px;
}

@media (max-width: 640px) {
    .sync-login-form {
        grid-template-columns: 1fr;
    }

    .sync-auth-actions,
    .sync-auth-actions .button,
    .lab-mode-actions,
    .lab-mode-actions .button {
        width: 100%;
    }

    .sync-auth-mode-actions {
        grid-template-columns: 1fr;
        margin-inline: 15px;
    }

    .lab-membership-list {
        grid-template-columns: 1fr;
    }
}

.sync-transfer-panel {
    display: grid;
    gap: 12px;
    margin: 0 22px 16px;
    padding: 16px 18px;
    border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
    border-radius: 16px;
    background: linear-gradient(125deg, color-mix(in srgb, var(--card) 93%, var(--accent) 7%), var(--card));
}

.sync-transfer-head {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
}

.sync-transfer-head > div { display: grid; gap: 3px; }
.sync-transfer-head small { color: var(--accent-deep); font: 800 10px/1.2 Helvetica, Arial, sans-serif; letter-spacing: .12em; }
.sync-transfer-head strong { color: var(--text); font-size: 16px; }
.sync-transfer-head span,
.sync-transfer-message,
.sync-transfer-file { color: var(--muted); font-size: 12px; line-height: 1.45; }

.sync-transfer-head > b {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--text);
    background: var(--card);
    font: 700 18px/1 Helvetica, Arial, sans-serif;
}

.sync-transfer-password { display: grid; gap: 5px; }
.sync-transfer-password > span { color: var(--text); font-size: 12px; font-weight: 700; }
.sync-transfer-password input {
    width: 100%;
    min-height: 40px;
    padding: 0 12px;
    border: 1px solid var(--line-strong);
    border-radius: 11px;
    color: var(--text);
    background: var(--card);
    font: inherit;
}

.sync-transfer-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.sync-transfer-file,
.sync-transfer-message { margin: 0; }
.sync-transfer-file { overflow-wrap: anywhere; }
.sync-transfer-message[data-state="error"] { color: var(--danger, #cf4e38); }

@media (max-width: 640px) {
    .sync-transfer-panel { margin-inline: 15px; padding: 14px; }
    .sync-transfer-actions .button { width: 100%; }
}
.sync-local-transfer-entry {
    display: flex;
    padding: 0 22px 14px;
}

.sync-local-transfer-entry .local-transfer-control {
    min-height: 36px;
    padding-inline: 14px;
    font-family: "SimHei", "Heiti SC", "Microsoft YaHei", sans-serif;
}

html[lang="en"] .sync-local-transfer-entry .local-transfer-control {
    font-family: Helvetica, Arial, sans-serif;
}

.portable-sync-dialog article { width: min(620px, calc(100vw - 32px)); }
.portable-sync-dialog .sync-transfer-panel { margin-bottom: 18px; }

@media (max-width: 640px) {
    .sync-local-transfer-entry { padding-inline: 15px; }
    .portable-sync-dialog article { width: min(100%, calc(100vw - 18px)); }
}