.sign-in-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 24px;
    box-sizing: border-box;
    background: var(--color-page);
    color: var(--color-text);
    font-family: var(--font-ui);
}

.sign-in-card {
    box-sizing: border-box;
    width: 100%;
    max-width: 420px;
    padding: clamp(24px, 6vw, 40px);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
}

.sign-in-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}
.sign-in-brand {
    margin: 0;
    font-weight: 700;
    color: var(--color-accent);
}
.sign-in-language {
    max-width: 100%;
    min-height: 44px;
    padding: 8px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 14px;
    cursor: pointer;
}
.sign-in-card h1 {
    margin: 0;
    font-size: 28px;
}
.sign-in-description {
    margin: 10px 0 28px;
    color: var(--color-text-muted);
}
.sign-in-card form {
    display: grid;
    gap: 10px;
}
.sign-in-card label {
    font-size: 14px;
    font-weight: 600;
}
.sign-in-card input,
.sign-in-card button {
    min-width: 0;
    box-sizing: border-box;
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border-radius: 8px;
    font: inherit;
}
.sign-in-card input {
    margin-bottom: 10px;
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border-control);
}
.sign-in-card button {
    margin-top: 8px;
    border: 0;
    background: var(--color-accent);
    color: var(--color-on-accent);
    font-weight: 600;
    cursor: pointer;
}
.sign-in-card button:hover:not(:disabled) {
    background: var(--color-accent-hover);
}
.sign-in-card :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
.sign-in-card :disabled {
    opacity: 0.65;
    cursor: wait;
}
.sign-in-error {
    margin: 0;
    color: var(--color-danger);
    font-size: 14px;
    line-height: 1.5;
}

@media (max-width: 480px) {
    .sign-in-page {
        padding: 16px;
    }
    .sign-in-card {
        padding: 24px;
    }
}

@media (max-height: 540px) {
    .sign-in-page {
        align-items: start;
    }
}

.one-time-state {
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface-muted);
}
.one-time-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 16px;
    border-radius: 10px;
    background: var(--color-surface-hover);
    color: var(--color-accent);
    font-size: 21px;
}
.one-time-state h2 {
    margin: 0 0 8px;
    color: var(--color-text);
    font-size: 16px;
    font-weight: 600;
}
.one-time-state p,
.one-time-hint {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
}
.one-time-failed .one-time-icon {
    background: var(--color-danger-surface);
    color: var(--color-danger);
}
.one-time-failed .sign-in-error {
    color: var(--color-danger);
}
.one-time-hint {
    margin: 20px 0;
}
.one-time-back {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 14px;
    box-sizing: border-box;
    border-radius: 8px;
    background: var(--color-accent);
    color: var(--color-on-accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}
.one-time-back:hover {
    background: var(--color-accent-hover);
}
.one-time-progress {
    display: block;
    width: 20px;
    height: 20px;
    box-sizing: border-box;
    margin-top: 16px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: one-time-spin 1s linear infinite;
}
@keyframes one-time-spin {
    to {
        transform: rotate(360deg);
    }
}
@media (prefers-reduced-motion: reduce) {
    .one-time-progress {
        animation: none;
    }
}
.storage-list {
    max-width: 1120px;
    margin: 0 auto;
    color: var(--color-text);
    font-family: var(--font-ui);
}
.storage-list-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 32px;
}
.storage-list-header h1 {
    margin: 0;
    font-size: clamp(26px, 4vw, 32px);
    letter-spacing: -0.03em;
}
.storage-list-header p {
    margin: 10px 0 0;
    color: var(--color-text-muted);
    line-height: 1.6;
}
.storage-list-refresh {
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    cursor: pointer;
}
.storage-list-refresh:disabled {
    opacity: 0.55;
    cursor: wait;
}
.storage-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.storage-list-grid li {
    min-width: 0;
}
.storage-list-card {
    display: flex;
    flex-direction: column;
    align-items: start;
    gap: 20px;
    height: 100%;
    box-sizing: border-box;
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
    text-decoration: none;
    color: inherit;
}
.storage-list-card h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.storage-list-card > span {
    margin-top: auto;
    color: var(--color-accent);
    font-size: 14px;
}
.storage-list-icon {
    color: var(--color-accent);
    flex-shrink: 0;
}
.storage-list-state {
    padding: 48px 24px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
    text-align: center;
    line-height: 1.6;
}
.storage-list-state h2 {
    margin: 0;
    font-size: 20px;
}
.storage-list-state p {
    max-width: 480px;
    margin: 12px auto 24px;
    color: var(--color-text-muted);
}
.storage-list :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
@media (hover: hover) {
    .storage-list-card:hover {
        border-color: var(--color-focus);
        background: var(--color-surface-hover);
    }
}
.new-folder-toolbar-block {
    grid-column: 1 / -1;
    min-width: 0;
    color: var(--color-text);
    font-family: var(--font-ui);
}
.new-folder-toolbar {
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}
.new-folder-toolbar button,
.new-folder-editor button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 14px;
    cursor: pointer;
}
.new-folder-toolbar button:disabled,
.new-folder-editor button:disabled {
    opacity: 0.55;
    cursor: default;
}
.new-folder-toolbar .new-folder-trigger {
    border-color: var(--color-border);
}
.new-folder-trigger svg {
    color: var(--color-accent);
}
.new-folder-editor {
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: start;
    gap: 8px;
    min-width: 0;
    margin: 0;
    padding: 12px;
    box-sizing: border-box;
    border: 1px solid var(--color-accent);
    border-radius: 8px;
    background: var(--color-surface-muted);
    color: var(--color-text);
    font-family: var(--font-ui);
}
.new-folder-icon {
    color: var(--color-accent);
    font-size: 32px;
}
.new-folder-field {
    width: 100%;
    min-width: 0;
}
.new-folder-field input {
    box-sizing: border-box;
    width: 100%;
    min-height: 44px;
    padding: 8px;
    border: 1px solid var(--color-border-control);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 16px;
    text-align: center;
}
.new-folder-field input[aria-invalid='true'] {
    border-color: var(--color-danger);
}
.new-folder-actions {
    display: flex;
    gap: 8px;
    width: 100%;
}
.new-folder-actions button {
    flex: 1;
    min-width: 0;
    padding: 8px;
}
.new-folder-actions .new-folder-submit {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-on-accent);
}
.new-folder-error {
    margin: 8px 0 0;
    color: var(--color-danger);
    font-size: 13px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.new-folder-success {
    margin: 10px 0 0;
    color: var(--color-success);
    font-size: 13px;
    overflow-wrap: anywhere;
}
.new-folder-toolbar :focus-visible,
.new-folder-editor :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
.new-folder-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}
@media (hover: hover) {
    .new-folder-toolbar button:hover:not(:disabled),
    .new-folder-editor button:hover:not(:disabled) {
        background: var(--color-surface-hover);
    }
    .new-folder-actions .new-folder-submit:hover:not(:disabled) {
        background: var(--color-accent-hover);
    }
}
.traffic-balance {
    margin: 12px 0 16px;
    padding: 6px 10px 6px 16px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-ui);
}
.traffic-balance-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.traffic-balance-overview {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 12px;
    min-width: 0;
}
.traffic-balance h2 {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
}
.traffic-balance-amount {
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.traffic-balance-healthy {
    color: var(--color-success);
    background: var(--color-success-surface);
}
.traffic-balance-warning {
    color: var(--color-warning);
    background: var(--color-warning-surface);
}
.traffic-balance-low {
    color: var(--color-danger);
    background: var(--color-danger-surface);
}
.traffic-balance-unknown {
    color: var(--color-text-muted);
    background: var(--color-surface-muted);
}
.traffic-balance-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.traffic-balance button,
.traffic-balance-details summary {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    box-sizing: border-box;
    padding: 0;
    border: 0;
    border-radius: 6px;
    color: var(--color-text-muted);
    background: transparent;
    cursor: pointer;
    list-style: none;
}
.traffic-balance-details summary::-webkit-details-marker {
    display: none;
}
.traffic-balance button:disabled {
    opacity: 0.4;
    cursor: default;
}
.traffic-balance-details {
    position: relative;
}
.traffic-balance-details[open] summary {
    background: var(--color-surface-hover);
}
.traffic-balance-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    z-index: 20;
    box-sizing: border-box;
    width: 280px;
    max-width: calc(100vw - 64px);
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface);
    box-shadow: var(--shadow-popup);
}
.traffic-balance-panel h3 {
    margin: 0 0 16px;
    font-size: 14px;
    font-weight: 600;
}
.traffic-balance-panel dl {
    display: grid;
    gap: 12px;
    margin: 0;
}
.traffic-balance-panel dl > div {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px 12px;
}
.traffic-balance-panel dt,
.traffic-balance-panel p {
    color: var(--color-text-muted);
    font-size: 13px;
}
.traffic-balance-panel dd {
    margin: 0;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}
.traffic-balance-panel p {
    margin: 16px 0 0;
}
.traffic-balance-status {
    margin: 0 0 6px;
    color: var(--color-text-muted);
    font-size: 12px;
    line-height: 1.5;
}
.traffic-balance :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}
.traffic-balance-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}
@media (hover: hover) {
    .traffic-balance button:hover:not(:disabled),
    .traffic-balance-details summary:hover {
        background: var(--color-surface-hover);
    }
}

.traffic-balance-amount {
    width: 12ch;
    box-sizing: content-box;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.traffic-balance-panel dd {
    min-width: 10ch;
    text-align: right;
}

.traffic-balance-refresh[data-refreshing] {
    opacity: 1;
    color: var(--color-accent);
    cursor: wait;
}
.traffic-balance-refresh[data-refreshing] svg {
    transform-origin: center;
    animation: traffic-refresh-spin 1s linear infinite;
}
@keyframes traffic-refresh-spin {
    to {
        transform: rotate(360deg);
    }
}
@media (prefers-reduced-motion: reduce) {
    .traffic-balance-refresh[data-refreshing] svg {
        animation: none;
    }
}
.unlock-page {
    display: grid;
    place-items: center;
    min-height: min(60vh, 520px);
    padding: clamp(16px, 5vw, 48px) 0;
    box-sizing: border-box;
    color: var(--color-text);
    font-family: var(--font-ui);
}
.unlock-card {
    box-sizing: border-box;
    width: 100%;
    max-width: 440px;
    min-width: 0;
    padding: clamp(24px, 5vw, 36px);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
}
.unlock-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: 24px;
    border-radius: 12px;
    background: var(--color-surface-hover);
    color: var(--color-accent);
    font-size: 22px;
}
.unlock-card h1 {
    margin: 0;
    font-size: clamp(22px, 4vw, 26px);
    line-height: 1.3;
    letter-spacing: -0.025em;
}
.unlock-description {
    margin: 12px 0;
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
}
.unlock-folder {
    margin: 0 0 28px;
    color: var(--color-text-muted);
    font-size: 12px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.unlock-folder span {
    color: var(--color-text);
}
.unlock-card form {
    display: grid;
    gap: 10px;
}
.unlock-card label {
    font-size: 14px;
    font-weight: 600;
}
.unlock-password {
    position: relative;
    min-width: 0;
}
.unlock-password input {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    min-height: 46px;
    padding: 10px 52px 10px 12px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 16px;
}
.unlock-password input[aria-invalid='true'] {
    border-color: var(--color-danger);
}
.unlock-visibility {
    position: absolute;
    top: 1px;
    right: 1px;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 18px;
    cursor: pointer;
}
.unlock-submit {
    box-sizing: border-box;
    width: 100%;
    min-height: 46px;
    margin-top: 8px;
    padding: 10px 14px;
    border: 0;
    border-radius: 8px;
    background: var(--color-accent);
    color: var(--color-on-accent);
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.unlock-error {
    margin: 0;
    color: var(--color-danger);
    font-size: 13px;
    line-height: 1.6;
}
.unlock-status {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 14px;
}
.unlock-card :disabled {
    opacity: 0.6;
    cursor: wait;
}
.unlock-card :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
@media (hover: hover) {
    .unlock-submit:hover:not(:disabled) {
        background: var(--color-accent-hover);
    }
    .unlock-visibility:hover:not(:disabled) {
        background: var(--color-surface-hover);
    }
}
.upload-picker {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-width: 0;
    max-width: 100%;
    border-radius: 8px;
    color: var(--color-text-muted);
    font-family: var(--font-ui);
    font-size: 13px;
}
.upload-picker-dragging {
    outline: 2px dashed var(--color-accent);
    outline-offset: 3px;
    background: var(--color-surface-hover);
}
.upload-picker-hint {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}
.upload-picker > p {
    margin: 0;
    max-width: 260px;
    color: var(--color-danger);
}
.upload-picker button,
.upload-actions button {
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    cursor: pointer;
}
.upload-picker button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-color: var(--color-border);
    font-size: 14px;
}
.upload-picker button svg {
    color: var(--color-accent);
}
.upload-picker button:disabled {
    opacity: 0.55;
    cursor: default;
}
.upload-picker :focus-visible,
.upload-task :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
.upload-phase,
.upload-count {
    margin: 0;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
}
.upload-count {
    font-variant-numeric: tabular-nums;
}
.upload-task progress {
    width: 100%;
    height: 7px;
    border: 0;
    border-radius: 4px;
    overflow: hidden;
    background: var(--color-surface-muted);
    accent-color: var(--color-accent);
}
.upload-task progress::-webkit-progress-bar {
    background: var(--color-surface-muted);
}
.upload-task progress::-webkit-progress-value {
    background: var(--color-accent);
}
.upload-task progress::-moz-progress-bar {
    background: var(--color-accent);
}
.upload-error {
    margin: 0;
    font-size: 13px;
    color: var(--color-danger);
    line-height: 1.6;
}
.upload-note {
    margin: 0;
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.6;
}
.upload-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.upload-actions button {
    font-size: 13px;
}
.upload-segments {
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
}
.upload-segments summary {
    min-height: 44px;
    box-sizing: border-box;
    padding: 12px 0;
    cursor: pointer;
    font-size: 13px;
}
.upload-segments ol {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.upload-segments li > div {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px 12px;
    font-size: 12px;
    margin-bottom: 4px;
}
.upload-segments li > div > span:last-child {
    color: var(--color-text-muted);
}
.upload-destination {
    margin: 0 0 12px;
    color: var(--color-text-muted);
    font-size: 12px;
    overflow-wrap: anywhere;
}
@media (hover: hover) {
    .upload-actions button:hover {
        background: var(--color-surface-hover);
    }
    .upload-picker button:hover:not(:disabled) {
        background: var(--color-surface-hover);
    }
}

.upload-segments .upload-segment-failed > div > span:last-child {
    color: var(--color-danger);
}

.upload-count {
    display: grid;
    grid-template-columns: 4ch auto minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: baseline;
    gap: 6px;
    white-space: nowrap;
}
.transfer-percent {
    text-align: right;
}
.transfer-bytes {
    min-width: 0;
    text-align: right;
}
.upload-task progress::-webkit-progress-value {
    transition: width 180ms ease-out;
}
.upload-task progress::-moz-progress-bar {
    transition: width 180ms ease-out;
}
@media (prefers-reduced-motion: reduce) {
    .upload-task progress::-webkit-progress-value {
        transition: none;
    }
    .upload-task progress::-moz-progress-bar {
        transition: none;
    }
}
.file-browser {
    max-width: 1120px;
    margin: 0 auto;
    color: var(--color-text);
    font-family: var(--font-ui);
}
.file-browser-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}
.file-browser-header h1 {
    margin: 0;
    font-size: clamp(26px, 4vw, 32px);
    letter-spacing: -0.03em;
}
.file-browser-header p {
    margin: 8px 0 0;
    color: var(--color-text-muted);
    font-size: 13px;
}
.file-storage-id {
    overflow-wrap: anywhere;
}
.file-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    margin-bottom: 16px;
}
.file-breadcrumbs ol {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    margin: 0;
    list-style: none;
    min-width: 0;
    overflow-x: auto;
}
.file-breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
    flex-shrink: 0;
}
.file-breadcrumbs li > svg {
    flex-shrink: 0;
    width: 14px;
    color: var(--color-text-muted);
}
.file-breadcrumbs li > span,
.file-breadcrumbs li > button {
    display: block;
    box-sizing: border-box;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 12px 8px;
    font-size: 14px;
}
.file-breadcrumbs button {
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    font: inherit;
    cursor: pointer;
    border-radius: 8px;
    min-height: 44px;
}
.file-breadcrumbs [aria-current] {
    color: var(--color-text);
    font-weight: 600;
}
.file-list {
    min-width: 0;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
}
.file-list > .new-folder-toolbar-block {
    padding: 16px;
    box-sizing: border-box;
}
.file-list > .new-folder-editor {
    flex-direction: row;
    align-items: start;
    gap: 12px;
    margin: 0 12px 12px;
    padding: 12px;
}
.file-list .new-folder-icon {
    flex: 0 0 24px;
    margin-top: 10px;
    font-size: 24px;
}
.file-list .new-folder-field {
    flex: 1;
}
.file-list .new-folder-field input {
    text-align: left;
}
.file-list .new-folder-actions {
    flex: 0 0 auto;
    width: auto;
}
.file-list .new-folder-actions button {
    padding: 10px 14px;
}
.file-row {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    padding: 12px 16px;
    border-top: 1px solid var(--color-border);
}
.file-row:last-child {
    border-radius: 0 0 12px 12px;
}
.file-row-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    font-size: 21px;
}
.file-row-folder {
    border-color: transparent;
    color: var(--color-accent);
    background: var(--color-surface-hover);
}
.file-row-info {
    flex: 1;
    min-width: 0;
}
.file-row-name {
    display: block;
    margin: 0;
    padding: 0;
    width: 100%;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--color-text);
    font: inherit;
    font-size: 14px;
    line-height: 1.5;
    text-align: left;
    overflow-wrap: anywhere;
}
.file-folder-open {
    cursor: pointer;
    min-height: 44px;
    border: 0;
    padding: 0;
    text-align: left;
    background: transparent;
    color: inherit;
    font: inherit;
    border-radius: 4px;
}
.file-folder-open:disabled {
    cursor: default;
}
.file-row-type {
    display: block;
    margin-top: 2px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-text-muted);
}
.file-row-actions {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 4px;
}
.file-browser .file-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--color-text-muted);
    font: inherit;
    font-size: 19px;
    cursor: pointer;
}
.file-browser button:disabled {
    opacity: 0.55;
    cursor: default;
}
.file-browser button:focus-visible,
.file-browser input:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}
.file-icon-button[data-popup-open] {
    background: var(--color-surface-hover);
    color: var(--color-accent);
}
.file-menu-positioner {
    z-index: 110;
}
.file-menu {
    min-width: 210px;
    max-width: calc(100vw - 24px);
    padding: 6px;
    box-sizing: border-box;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: var(--shadow-popup);
    font-family: var(--font-ui);
    outline: none;
}
.file-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 8px 12px;
    box-sizing: border-box;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    outline: none;
}
.file-menu-item svg {
    font-size: 17px;
    flex-shrink: 0;
}
.file-menu-item[data-highlighted] {
    background: var(--color-surface-hover);
}
.file-menu-danger {
    color: var(--color-danger);
}
.file-menu-danger[data-highlighted] {
    background: var(--color-danger-surface);
}
.file-row-editing {
    align-items: start;
    background: var(--color-surface-muted);
}
.file-row-editing > .file-row-icon {
    margin-top: 2px;
}
.file-row-editor {
    display: flex;
    align-items: start;
    gap: 10px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}
.file-rename-field {
    flex: 1 1 200px;
    min-width: 0;
}
.file-rename-field input {
    width: 100%;
    box-sizing: border-box;
    min-height: 44px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    padding: 10px 12px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 16px;
}
.file-rename-field input[aria-invalid='true'] {
    border-color: var(--color-danger);
}
.file-editor-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.file-editor-actions button,
.file-browser-error button {
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: 14px;
    cursor: pointer;
}
.file-editor-actions .file-rename-save {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-on-accent);
}
.file-editor-actions .file-delete-confirm {
    border-color: var(--color-danger);
    color: var(--color-danger);
    background: var(--color-danger-surface);
}
.file-delete-message {
    display: grid;
    flex: 1 1 240px;
    min-width: 0;
    gap: 4px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text-muted);
}
.file-delete-message strong {
    font-weight: 600;
    color: var(--color-text);
}
.file-delete-name {
    overflow-wrap: anywhere;
    color: var(--color-text);
}
.file-row-error {
    flex: 1 1 100%;
    margin: 0;
    color: var(--color-danger);
    font-size: 13px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}
.file-browser-error {
    margin: 0;
    padding: 16px;
    color: var(--color-danger);
    font-size: 14px;
    line-height: 1.5;
}
.file-browser-error p {
    margin: 0 0 12px;
}
.file-list-status {
    margin: 0;
    padding: 16px;
    color: var(--color-text-muted);
    font-size: 14px;
}
.file-list-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-text-muted);
}
.file-list-empty > svg {
    font-size: 32px;
    color: var(--color-accent);
}
.file-list-empty h2 {
    margin: 16px 0 8px;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
}
.file-list-empty p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
}
.file-list-count {
    color: var(--color-text-muted);
    font-size: 12px;
    margin: 12px 0 0;
}
.file-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}
@media (hover: hover) {
    .file-row:not(.file-row-editing):hover {
        background: var(--color-surface-muted);
    }
    .file-folder-open:hover:not(:disabled) {
        color: var(--color-accent);
    }
    .file-browser .file-icon-button:hover:not(:disabled),
    .file-breadcrumbs button:hover:not(:disabled) {
        background: var(--color-surface-hover);
        color: var(--color-accent);
    }
    .file-editor-actions button:hover:not(:disabled),
    .file-browser-error button:hover:not(:disabled) {
        background: var(--color-surface-hover);
    }
    .file-editor-actions .file-delete-confirm:hover:not(:disabled) {
        background: var(--color-danger-surface);
    }
    .file-editor-actions .file-rename-save:hover:not(:disabled) {
        background: var(--color-accent-hover);
    }
}
@media (max-width: 560px) {
    .file-row {
        padding: 12px;
        gap: 10px;
    }
    .file-row-icon {
        flex-basis: 32px;
        height: 36px;
        font-size: 19px;
    }
    .file-row-actions {
        gap: 0;
    }
    .file-list > .new-folder-toolbar-block {
        padding: 12px;
    }
    .file-list > .new-folder-editor {
        flex-wrap: wrap;
    }
    .file-list .new-folder-actions {
        flex: 1 1 100%;
    }
    .file-row-editing > .file-row-icon {
        display: none;
    }
    .file-editor-actions {
        width: 100%;
    }
    .file-editor-actions button {
        flex: 1;
    }
}

.file-folder-open .file-row-name {
    font-weight: 600;
}
.file-browser-header .traffic-balance {
    margin: 0;
}

.file-list:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
.task-list-container {
    position: fixed;
    bottom: max(16px, env(safe-area-inset-bottom, 0px));
    right: max(16px, env(safe-area-inset-right, 0px));
    width: min(360px, calc(100vw - 32px));
    box-sizing: border-box;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: var(--shadow-popup);
    font-family: var(--font-ui);
    color: var(--color-text);
    z-index: 50;
}

.task-list-container:not(:has(.task-item)) {
    display: none;
}
.task-list-container > summary {
    min-height: 48px;
    box-sizing: border-box;
    padding: 14px 16px;
    cursor: pointer;
}
.task-list-container > summary:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.task-summary-status {
    display: block;
    font-size: 13px;
}
.task-summary-error {
    color: var(--color-danger);
}
.task-summary-file {
    display: block;
    margin-top: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text-muted);
    font-size: 12px;
}
.task-list-body {
    display: grid;
    gap: 16px;
    padding: 0 16px 16px;
    max-height: 50dvh;
    overflow-y: auto;
    overflow-wrap: anywhere;
}

.task-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.task-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    margin: 0;
}

.task-summary-file.task-summary-error {
    color: var(--color-danger);
}
.dashboard {
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--color-page);
    color: var(--color-text);
    font-family: var(--font-ui);
}

.dashboard-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.dashboard-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1120px;
    min-height: 72px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 48px);
}

.dashboard-brand {
    color: var(--color-accent);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-decoration: none;
    padding: 12px 0;
}

.dashboard-account {
    position: relative;
}
.dashboard-account summary {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    box-sizing: border-box;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    list-style: none;
}
.dashboard-account summary::-webkit-details-marker {
    display: none;
}
.dashboard-account[open] summary {
    background: var(--color-surface-hover);
}
.dashboard-account-panel {
    position: absolute;
    z-index: 100;
    top: calc(100% + 8px);
    right: 0;
    display: grid;
    gap: 12px;
    width: 240px;
    max-width: calc(100vw - 32px);
    box-sizing: border-box;
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
    box-shadow: var(--shadow-popup);
}
.dashboard-account-panel label {
    color: var(--color-text-muted);
    font-size: 14px;
}
.dashboard-language,
.logout-button {
    width: 100%;
    min-height: 44px;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid var(--color-border-control);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    cursor: pointer;
}
.logout-button {
    color: var(--color-danger);
    border-color: var(--color-border);
}
.logout-button:hover {
    background: var(--color-danger-surface);
}
.dashboard-content {
    max-width: 1120px;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 48px) clamp(16px, 4vw, 48px);
    padding-bottom: calc(48px + env(safe-area-inset-bottom, 0px));
    min-width: 0;
}
.dashboard-breadcrumbs {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--color-text-muted);
}
.dashboard-breadcrumbs a {
    color: var(--color-accent);
    padding: 12px 0;
    flex-shrink: 0;
}
.dashboard-breadcrumbs [aria-current] {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.dashboard :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}
.dashboard-skip {
    position: absolute;
    z-index: 200;
    left: 16px;
    top: 8px;
    transform: translateY(-200%);
    padding: 12px;
    background: var(--color-surface);
    color: var(--color-accent);
    border-radius: 8px;
}
.dashboard-skip:focus {
    transform: translateY(0);
}
@media (max-width: 480px) {
    .dashboard-header-inner {
        min-height: 64px;
    }
    .dashboard-content {
        padding-top: 24px;
    }
}
:root {
    color-scheme: light;
    --color-page: #f3f5f8;
    --color-surface: #ffffff;
    --color-surface-muted: #f8f9fc;
    --color-surface-hover: #edf2ff;
    --color-text: #172033;
    --color-text-muted: #586477;
    --color-border: #dce2eb;
    --color-border-control: #aab5c5;
    --color-accent: #315cbd;
    --color-accent-hover: #254998;
    --color-on-accent: #ffffff;
    --color-danger: #a52020;
    --color-danger-surface: #fff4f4;
    --color-success: #176342;
    --color-success-surface: #eaf6ef;
    --color-warning: #805800;
    --color-warning-surface: #fff5d6;
    --color-focus: #7396e8;
    --color-disabled: #768195;
    --color-overlay: rgb(255 255 255 / 50%);
    --shadow-card: 0 12px 40px rgb(23 32 51 / 4%);
    --shadow-popup: 0 8px 32px rgb(23 32 51 / 12%);
    --font-ui:
        system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Explicit opt-in only. A future preference control can set this on <html>. */
:root[data-theme='dark'] {
    color-scheme: dark;
    --color-page: #10151f;
    --color-surface: #19212e;
    --color-surface-muted: #202b3b;
    --color-surface-hover: #263651;
    --color-text: #edf1f7;
    --color-text-muted: #adbace;
    --color-border: #344156;
    --color-border-control: #65758c;
    --color-accent: #9bbaff;
    --color-accent-hover: #bfd2ff;
    --color-on-accent: #102044;
    --color-danger: #ffaaaa;
    --color-danger-surface: #3d242d;
    --color-success: #8bdbb1;
    --color-success-surface: #19382d;
    --color-warning: #f4cf70;
    --color-warning-surface: #3a321e;
    --color-focus: #9bbaff;
    --color-disabled: #7f8da3;
    --color-overlay: rgb(16 21 31 / 50%);
    --shadow-card: 0 12px 40px rgb(0 0 0 / 12%);
    --shadow-popup: 0 8px 32px rgb(0 0 0 / 32%);
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow-x: hidden;
    background: var(--color-page);
    color: var(--color-text);
    font-family: var(--font-ui);
}