:root {
    --color-primary: #1d1d1f;
    --color-secondary: #0071e3;
    --color-accent: #0071e3;
    --color-text: #1d1d1f;
    --color-text-muted: #86868b;
    --color-bg: #f5f5f7;
    --color-bg-elevated: #fbfbfd;
    --color-bg-card: #ffffff;
    --color-border: #e8e8ed;
    --color-border-strong: #d2d2d7;
    --color-success: #34c759;
    --color-danger: #ff3b30;
    --color-warning: #ff9500;
    --color-row-sep: rgba(0, 0, 0, 0.06);

    --font-heading: "SF Pro Display", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-body: "SF Pro Text", "Segoe UI", system-ui, -apple-system, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.35rem;
    --text-2xl: 1.6rem;
    --text-3xl: 2rem;

    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-app: 0 8px 40px rgba(0, 0, 0, 0.12);
    --transition: 0.2s ease;

    --topbar-height: 3.25rem;
    --tabbar-height: 4.5rem;
    --tabbar-float-gap: 0.75rem;
    --tabbar-float-inset: 0.75rem;
    --tabbar-shell-radius: 1.125rem;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --app-max: 28rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    touch-action: manipulation;
}

body {
    margin: 0;
    min-height: 100dvh;
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.45;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: none;
    touch-action: manipulation;
}

button,
input,
select {
    font: inherit;
    color: inherit;
}

button,
[role="button"],
.btn,
.pin-pad__key,
.dropzone {
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

img {
    max-width: 100%;
    height: auto;
}

.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: #fff;
}

.skip-link:focus {
    left: var(--space-md);
    top: var(--space-md);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.view {
    min-height: 100dvh;
}

.view[hidden],
.tab-panel[hidden],
[hidden] {
    display: none !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    min-height: 2.75rem;
    padding: 0.625rem 1.1rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), opacity var(--transition), transform var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn--primary {
    background: var(--color-secondary);
    color: #fff;
}

.btn--primary:hover:not(:disabled) {
    background: #0077ed;
}

.btn--secondary {
    background: var(--color-primary);
    color: #fff;
}

.btn--secondary:hover:not(:disabled) {
    background: #333336;
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
}

.btn--danger {
    background: var(--color-danger);
    color: #fff;
}

.btn--sm {
    min-height: 2.15rem;
    padding: 0.35rem 0.85rem;
    font-size: var(--text-sm);
}

.btn--icon {
    width: 2.35rem;
    min-width: 2.35rem;
    padding: 0;
}

.btn--icon.is-loading svg {
    animation: btn-icon-spin 0.8s linear infinite;
}

@keyframes btn-icon-spin {
    to {
        transform: rotate(360deg);
    }
}

.btn--block {
    width: 100%;
}

.btn svg {
    width: 1.125rem;
    height: 1.125rem;
    fill: currentColor;
    flex-shrink: 0;
}

/* Legacy field (dialogs) */
.field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: var(--space-md);
}

.field__label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: 600;
}

.input {
    width: 100%;
    min-height: 3rem;
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    color: var(--color-text);
    font-size: max(16px, 1rem);
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

.input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}

/* PIN */
.view--pin {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    padding-top: calc(var(--space-xl) + var(--safe-top));
    padding-bottom: calc(var(--space-xl) + var(--safe-bottom));
    background: var(--color-bg);
    color: var(--color-text);
    touch-action: manipulation;
}

.pin-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.pin-header__eyebrow {
    margin: 0 0 var(--space-xs);
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.pin-header__title {
    margin: 0;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.pin-header__logo {
    display: block;
    width: min(100%, 15rem);
    height: auto;
    margin: 0 auto;
    border-radius: var(--radius-md);
}

.pin-header__subtitle {
    margin: var(--space-xs) 0 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.pin-display {
    width: min(100%, 20rem);
    min-height: 3.75rem;
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.pin-display__dots {
    letter-spacing: 0.4em;
    font-size: var(--text-2xl);
    font-variant-numeric: tabular-nums;
}

.pin-message {
    margin: 0 0 var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(255, 59, 48, 0.1);
    color: var(--color-danger);
    font-size: var(--text-sm);
    text-align: center;
}

.pin-lockout {
    margin: 0 0 var(--space-md);
    font-size: var(--text-sm);
    text-align: center;
    color: var(--color-text-muted);
}

.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    width: min(100%, 20rem);
    margin-bottom: var(--space-lg);
}

.pin-pad__key {
    aspect-ratio: 1.35;
    min-height: 3.4rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    color: var(--color-text);
    font-size: max(1rem, var(--text-xl));
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

.pin-pad__key:active {
    transform: scale(0.96);
    background: var(--color-bg-elevated);
}

.pin-pad__key--action {
    font-size: var(--text-lg);
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
}

.view--pin .btn--primary {
    width: min(100%, 20rem);
    min-height: 3.15rem;
}

/* App shell — phone frame on all sizes, wider on desktop */
.view--app {
    display: flex;
    justify-content: center;
    min-height: 100dvh;
    padding: 0;
}

.app-shell {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: var(--app-max);
    min-height: 100dvh;
    background: var(--color-bg-elevated);
    box-shadow: none;
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    min-height: calc(var(--topbar-height) + var(--safe-top));
    padding: var(--safe-top) var(--space-md) 0;
    background: rgba(251, 251, 253, 0.88);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.app-topbar__brand {
    display: flex;
    align-items: center;
    min-height: var(--topbar-height);
    margin: 0;
}

.app-topbar__logo {
    display: block;
    width: auto;
    height: 1.75rem;
    max-width: min(12rem, 55vw);
    object-fit: contain;
}

.app-topbar__logout {
    border-color: var(--color-border-strong);
    background: var(--color-bg-card);
}

.app-main {
    flex: 1;
    width: 100%;
    padding: var(--space-md);
    padding-bottom: calc(var(--tabbar-height) + var(--safe-bottom) + var(--tabbar-float-gap) + var(--space-md));
    overflow-y: auto;
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.page-header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
}

.page-header__actions .btn.is-active {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

/* Selection bar */
.selection-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 0.85rem;
    margin-bottom: var(--space-sm);
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
}

.selection-bar__select-all {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
    user-select: none;
}

.selection-bar__checkbox {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.selection-bar__select-all-box {
    display: grid;
    place-items: center;
    width: 1.15rem;
    height: 1.15rem;
    border: 2px solid var(--color-border-strong);
    border-radius: 0.25rem;
    background: var(--color-bg);
    transition: background var(--transition), border-color var(--transition);
}

.selection-bar__select-all-box::after {
    content: "";
    width: 0.35rem;
    height: 0.6rem;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    margin-top: -0.1rem;
    transition: transform var(--transition);
}

.selection-bar__checkbox:checked + .selection-bar__select-all-box {
    background: var(--color-accent, #0071e3);
    border-color: var(--color-accent, #0071e3);
}

.selection-bar__checkbox:checked + .selection-bar__select-all-box::after {
    transform: rotate(45deg) scale(1);
}

.selection-bar__checkbox:indeterminate + .selection-bar__select-all-box {
    background: var(--color-accent, #0071e3);
    border-color: var(--color-accent, #0071e3);
}

.selection-bar__checkbox:indeterminate + .selection-bar__select-all-box::after {
    content: "";
    width: 0.55rem;
    height: 2px;
    border: none;
    background: #fff;
    transform: none;
    margin-top: 0;
}

.selection-bar__select-all-text {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
}

.selection-bar__count {
    flex: 1;
    min-width: 0;
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-weight: 600;
}

.selection-bar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-left: auto;
}

.file-list--selecting .file-card--selectable {
    cursor: pointer;
}

.file-card--selectable.file-card--selected {
    border-color: var(--color-accent, #0071e3);
    box-shadow: 0 0 0 1px rgba(0, 113, 227, 0.25);
}

.file-card__select {
    position: absolute;
    top: 0.55rem;
    left: 0.55rem;
    z-index: 3;
    display: grid;
    place-items: center;
    cursor: pointer;
}

.file-card--selectable {
    position: relative;
}

.file-card__select-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.file-card__select-box {
    display: grid;
    place-items: center;
    width: 1.35rem;
    height: 1.35rem;
    border: 2px solid rgba(255, 255, 255, 0.95);
    border-radius: 0.35rem;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-sm);
    transition: background var(--transition), border-color var(--transition);
}

.file-card__select-box::after {
    content: "";
    width: 0.35rem;
    height: 0.65rem;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    margin-top: -0.1rem;
    transition: transform var(--transition);
}

.file-card__select-input:checked + .file-card__select-box {
    background: var(--color-accent, #0071e3);
    border-color: var(--color-accent, #0071e3);
}

.file-card__select-input:checked + .file-card__select-box::after {
    transform: rotate(45deg) scale(1);
}

.file-card__select-input:focus-visible + .file-card__select-box {
    outline: 2px solid var(--color-accent, #0071e3);
    outline-offset: 2px;
}

/* Single-line toolbar on wide layouts; stacked title/actions + search on mobile */
.page-header--toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 0.55rem 0.6rem;
    flex-wrap: unset;
    overflow: visible;
    margin-bottom: var(--space-sm);
}

.page-header--toolbar .page-header__title {
    grid-column: 1;
    grid-row: 1;
    flex-shrink: 0;
    font-size: var(--text-lg);
    white-space: nowrap;
}

.page-header--toolbar .page-header__actions {
    grid-column: 2;
    grid-row: 1;
    flex-shrink: 0;
    flex-wrap: nowrap;
    justify-self: end;
}

.page-header--toolbar .page-header__actions .btn--sm {
    min-height: 2.35rem;
    padding: 0.35rem 0.7rem;
    white-space: nowrap;
}

.page-header--toolbar .page-header__actions .btn--icon {
    width: 2.35rem;
    min-width: 2.35rem;
    padding: 0;
}

.page-header--toolbar .page-header__actions .btn--ghost {
    background: rgba(0, 0, 0, 0.04);
    border-color: transparent;
}

.page-header--toolbar .page-header__actions .btn--ghost:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.07);
}

.page-header--toolbar .filter-bar {
    grid-column: 1 / -1;
    grid-row: 2;
    flex: unset;
    width: 100%;
    min-width: 0;
    margin-bottom: 0;
}

.page-header__title {
    margin: 0;
    font-size: var(--text-2xl);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Native-like settings rows */
.settings-group {
    margin-bottom: var(--space-md);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: none;
    overflow: hidden;
}

.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    min-height: 3rem;
    padding: 0.55rem 1rem;
    border-bottom: 1px solid var(--color-row-sep);
}

.settings-row:last-child {
    border-bottom: none;
}

.settings-row--stack {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.settings-row--action {
    padding: 0.75rem;
}

/* Compact single-line search + filter toggle */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-sm);
}

.filter-bar__search {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.filter-bar__search-icon {
    position: absolute;
    left: 0.85rem;
    width: 1rem;
    height: 1rem;
    fill: var(--color-text-muted);
    pointer-events: none;
}

.filter-bar__input {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.5rem 0.75rem 0.5rem 2.35rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-text);
    -webkit-appearance: none;
    appearance: none;
}

.filter-bar__input:focus {
    outline: none;
    background: var(--color-bg-card);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}

.filter-bar__input::-webkit-search-cancel-button {
    display: none;
}

.filter-bar__toggle {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-text);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.filter-bar__toggle svg {
    width: 1.15rem;
    height: 1.15rem;
    fill: currentColor;
}

.filter-bar__toggle[aria-expanded="true"] {
    background: var(--color-secondary);
    color: #fff;
}

.filter-panel {
    display: grid;
    grid-template-rows: 0fr;
    margin-bottom: 0;
    opacity: 0;
    overflow: hidden;
    transition: grid-template-rows 0.3s ease, opacity 0.25s ease, margin-bottom 0.3s ease;
}

.filter-panel.is-open {
    grid-template-rows: 1fr;
    margin-bottom: var(--space-md);
    opacity: 1;
}

.filter-panel__inner {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    min-height: 0;
    padding: 0.85rem;
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.filter-panel__field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
}

.filter-panel__dates {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
}

.filter-panel__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    flex-shrink: 0;
}

.filter-panel__chips {
    margin-bottom: 0;
}

.filter-panel__chips .choice-chip > span {
    min-height: 2.35rem;
    padding: 0.4rem 0.85rem;
}

.filter-panel__chips .choice-chip__label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    max-width: 100%;
}

.filter-panel__chips .choice-chip__icon {
    flex-shrink: 0;
    width: 0.95rem;
    height: 0.95rem;
    background: currentColor;
    opacity: 0.72;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2h-7l-2-2z'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2h-7l-2-2z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.filter-panel__chips .choice-chip__text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.filter-panel__chips .choice-chip:has(input:checked) .choice-chip__icon {
    opacity: 1;
}

.filter-panel__control {
    width: 100%;
    max-width: none;
    min-height: 2.75rem;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-text);
    text-align: left;
    -webkit-appearance: none;
    appearance: none;
}

.filter-panel__control:focus {
    outline: none;
    background: var(--color-bg-card);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.18);
}

.filter-panel__control::-webkit-calendar-picker-indicator {
    opacity: 0.55;
    cursor: pointer;
}

@media (min-width: 480px) {
    .filter-panel__dates {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 768px) {
    .filter-panel__inner {
        padding: 1rem;
        gap: 1rem;
    }
}

.settings-row__label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text);
}

.settings-row__icon {
    font-size: 1.05rem;
    line-height: 1;
}

.settings-row__value {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 1;
    min-width: 0;
}

.settings-row__control,
.settings-row__select {
    width: 100%;
    min-height: 2.5rem;
    padding: 0.4rem 0;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: var(--text-base);
    -webkit-appearance: none;
    appearance: none;
}

.settings-row__control:focus,
.settings-row__select:focus {
    outline: none;
}

.settings-row__select {
    text-align: right;
    text-align-last: right;
    padding-right: 1.25rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M1.4 0.6L6 5.2 10.6.6 12 2 6 8 0 2z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right center;
    background-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 500;
    cursor: pointer;
}

.settings-row__control--date {
    text-align: right;
    color: var(--color-text-muted);
    font-weight: 500;
    max-width: 11rem;
    margin-left: auto;
}

/* Explorer — breadcrumb + folder grid */
.explorer {
    margin-bottom: var(--space-sm);
}

.explorer-breadcrumb {
    margin-bottom: var(--space-sm);
}

.explorer-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.explorer-breadcrumb__item {
    display: flex;
    align-items: center;
    min-width: 0;
}

.explorer-breadcrumb__sep {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
    user-select: none;
}

.explorer-breadcrumb__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    max-width: 100%;
    padding: 0.35rem 0.65rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-muted);
    font: inherit;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.explorer-breadcrumb__link:hover,
.explorer-breadcrumb__link:focus-visible {
    background: var(--color-bg-elevated);
    color: var(--color-text);
}

.explorer-breadcrumb__link.is-current {
    background: var(--color-bg-elevated);
    border-color: var(--color-border);
    color: var(--color-text);
    cursor: default;
}

.explorer-breadcrumb__icon {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
    flex-shrink: 0;
}

.explorer-folders {
    margin-bottom: var(--space-sm);
}

.explorer-section__title {
    margin: 0 0 0.4rem;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.file-card--folder .file-card__preview--folder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    background: rgba(255, 149, 0, 0.08);
    color: #ff9500;
    border: none;
    cursor: pointer;
    font: inherit;
    padding: 0;
    transition: background var(--transition), color var(--transition);
}

.file-card--folder .file-card__preview--folder svg {
    width: 3rem;
    height: 3rem;
    fill: currentColor;
}

.file-card--folder .file-card__preview-label {
    font-size: var(--text-xs);
    font-weight: 650;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}

.file-card--folder .file-card__preview--enter:hover,
.file-card--folder .file-card__preview--enter:focus-visible {
    background: rgba(255, 149, 0, 0.14);
    color: #e68600;
}

.file-card--folder .file-card__preview--enter:hover .file-card__preview-label,
.file-card--folder .file-card__preview--enter:focus-visible .file-card__preview-label {
    color: var(--color-text);
}

.file-card--folder .file-card__preview--enter:focus-visible {
    outline: 2px solid var(--color-primary, #0071e3);
    outline-offset: -2px;
}

.file-card--folder:hover {
    border-color: rgba(255, 149, 0, 0.35);
}

.file-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
}

.file-list[aria-busy="true"] {
    pointer-events: none;
}

.file-card--skeleton {
    pointer-events: none;
}

.file-card--skeleton .file-card__preview {
    background: var(--color-bg-elevated);
}

.skeleton-line {
    display: block;
    height: 0.75rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(
        90deg,
        var(--color-bg-elevated) 0%,
        var(--color-border) 50%,
        var(--color-bg-elevated) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

.skeleton-line--name {
    width: 72%;
    height: 0.875rem;
}

.skeleton-line--size {
    width: 2.5rem;
    height: 0.625rem;
    margin-top: 0.2rem;
}

.skeleton-block {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 0;
    background: linear-gradient(
        90deg,
        var(--color-bg-elevated) 0%,
        var(--color-border) 50%,
        var(--color-bg-elevated) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

.skeleton-actions {
    display: flex;
    flex-shrink: 0;
    gap: 0.25rem;
    padding: 0.45rem 0.55rem;
}

.skeleton-actions__btn {
    flex: 1;
    height: 2.15rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(
        90deg,
        var(--color-bg-elevated) 0%,
        var(--color-border) 50%,
        var(--color-bg-elevated) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-line,
    .skeleton-block,
    .skeleton-actions__btn {
        animation: none;
        background: var(--color-bg-elevated);
    }
}

.files-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-bottom: var(--space-sm);
}

.files-pagination__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.files-pagination__btn svg {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
    flex-shrink: 0;
}

.files-pagination__info {
    margin: 0;
    min-width: 6rem;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-weight: 600;
    text-align: center;
}

.file-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.file-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-sm);
}

.file-card__head {
    display: flex;
    flex-shrink: 0;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    box-sizing: border-box;
    min-height: 2.5rem;
    padding: 0.65rem 0.85rem;
}

.file-card__name {
    flex: 1;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    font-size: var(--text-sm);
    font-weight: 650;
    line-height: 1.25;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.file-card__size {
    flex-shrink: 0;
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1.25;
    white-space: nowrap;
}

.file-card__preview {
    position: relative;
    display: grid;
    flex-shrink: 0;
    place-items: center;
    width: 100%;
    height: 9rem;
    overflow: hidden;
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
}

.file-card__preview svg {
    width: 2.5rem;
    height: 2.5rem;
    fill: currentColor;
}

.file-card__thumb {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--color-bg-elevated);
    pointer-events: none;
}

.file-card__preview--clickable {
    cursor: pointer;
}

.file-card__preview--clickable:focus-visible {
    outline: 2px solid var(--color-primary, #0071e3);
    outline-offset: -2px;
}

.file-card__preview-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0);
    color: var(--color-text);
    opacity: 0;
    transition: opacity var(--transition), background var(--transition);
    pointer-events: none;
}

.file-card__preview--clickable:hover .file-card__preview-overlay,
.file-card__preview--clickable:focus-visible .file-card__preview-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.42);
}

.file-card__preview-open-icon {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.file-card__preview-open-icon svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

.file-card__preview--image {
    background: rgba(0, 113, 227, 0.06);
    color: #0071e3;
}

.file-card__preview--video {
    background: rgba(255, 59, 48, 0.06);
    color: #ff3b30;
}

.file-card__preview--audio {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
}

.file-card__preview--pdf {
    background: rgba(220, 38, 38, 0.08);
    color: #dc2626;
}

.file-card__preview--doc {
    background: rgba(0, 113, 227, 0.06);
    color: #0071e3;
}

.file-card__preview--sheet {
    background: rgba(5, 150, 105, 0.08);
    color: var(--color-success);
}

.file-card__preview--archive {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
}

.file-card .action-group {
    width: 100%;
    margin: 0;
    border: none;
    border-top: 1px solid var(--color-border);
    border-radius: 0;
}

.file-card .action-group__btn {
    flex: 1;
    width: auto;
    height: 2.6rem;
}

/* Action group — single bordered, borderless-fill button cluster */
.action-group {
    display: inline-flex;
    align-items: stretch;
    margin-top: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: transparent;
}

.action-group__btn {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    border-right: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.action-group__btn:last-child {
    border-right: none;
}

.action-group__btn:hover,
.action-group__btn:focus-visible {
    background: var(--color-bg-elevated);
    color: var(--color-text);
}

.action-group__btn:active {
    transform: scale(0.94);
}

.action-group__btn--danger:hover,
.action-group__btn--danger:focus-visible {
    background: #fef2f2;
    color: var(--color-danger);
}

.action-group__icon {
    display: grid;
    place-items: center;
    width: 1rem;
    height: 1rem;
    pointer-events: none;
}

.action-group__icon svg {
    display: block;
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.app-toast {
    position: fixed;
    left: 50%;
    bottom: calc(var(--tabbar-height) + var(--safe-bottom) + var(--tabbar-float-gap) + 1rem);
    z-index: 200;
    max-width: calc(100% - 2rem);
    padding: 0.7rem 1.1rem;
    border-radius: var(--radius-md);
    background: rgba(29, 29, 31, 0.92);
    color: #fff;
    font-size: var(--text-sm);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transform: translateX(-50%) translateY(1rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.app-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.zip-loading {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: rgba(15, 15, 18, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.zip-loading.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.zip-loading__panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    max-width: 20rem;
    padding: var(--space-lg) var(--space-md);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.zip-loading__spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: btn-icon-spin 0.8s linear infinite;
}

.zip-loading__text {
    margin: 0;
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.45;
}

.empty-state {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--space-xl) var(--space-md);
}

/* Upload folder picker */
.upload-option {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 0.45rem;
    max-width: 100%;
    margin: 0 0 var(--space-sm);
    padding: 0.35rem 0.15rem;
    border: none;
    background: transparent;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.upload-option__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.upload-option__box {
    flex-shrink: 0;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid var(--color-border-strong);
    border-radius: 0.2rem;
    background: var(--color-bg-card);
    transition: background var(--transition), border-color var(--transition);
}

.upload-option__box::after {
    content: "";
    display: block;
    width: 0.28rem;
    height: 0.52rem;
    margin: 0.1rem auto 0;
    border: solid #fff;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg) scale(0);
    transition: transform var(--transition);
}

.upload-option__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.2;
}

.upload-option__hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.2;
    white-space: nowrap;
}

.upload-option__hint::before {
    content: "·";
    margin: 0 0.35rem;
    opacity: 0.45;
}

.upload-option:has(.upload-option__input:checked) .upload-option__label {
    color: var(--color-accent);
}

.upload-option:has(.upload-option__input:checked) .upload-option__box {
    border-color: var(--color-accent);
    background: var(--color-accent);
}

.upload-option:has(.upload-option__input:checked) .upload-option__box::after {
    transform: rotate(45deg) scale(1);
}

.upload-option:has(.upload-option__input:focus-visible) .upload-option__box {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.upload-folder-picker {
    margin: 0 0 var(--space-md);
    padding: 0;
    border: none;
}

.upload-folder-picker.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}

.upload-folder-picker__list {
    max-height: 7.5rem;
    overflow-y: auto;
    margin-bottom: 0;
    -webkit-overflow-scrolling: touch;
}

.upload-folder-picker__list .choice-chip > span {
    min-height: 2.25rem;
    padding: 0.4rem 0.85rem;
}

.upload-folder-picker__list .choice-chip__label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    max-width: 11rem;
}

.upload-folder-picker__list .choice-chip__icon {
    flex-shrink: 0;
    width: 0.95rem;
    height: 0.95rem;
    background: currentColor;
    opacity: 0.72;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2h-7l-2-2z'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2h-7l-2-2z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.upload-folder-picker__list .choice-chip__text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-folder-picker__list .choice-chip:has(input:checked) .choice-chip__icon {
    opacity: 1;
}

/* Dropzone */
.dropzone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    min-height: 12.5rem;
    margin-bottom: var(--space-md);
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
    box-shadow: var(--shadow-sm);
    text-align: center;
    cursor: pointer;
    transition:
        border-color var(--transition),
        background var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.dropzone::before {
    content: "";
    position: absolute;
    inset: 0.6rem;
    border: 1.5px dashed var(--color-border-strong);
    border-radius: calc(var(--radius-xl) - 0.35rem);
    pointer-events: none;
    transition: border-color var(--transition);
}

.dropzone:active {
    transform: scale(0.995);
}

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.is-dragover {
    border-color: rgba(0, 113, 227, 0.28);
    background: linear-gradient(180deg, rgba(0, 113, 227, 0.07) 0%, rgba(0, 113, 227, 0.02) 100%);
    box-shadow: 0 8px 28px rgba(0, 113, 227, 0.1);
    outline: none;
}

.dropzone:hover::before,
.dropzone:focus-visible::before,
.dropzone.is-dragover::before {
    border-color: rgba(0, 113, 227, 0.42);
}

.dropzone.is-dragover .dropzone__icon {
    transform: translateY(-2px);
    background: linear-gradient(145deg, rgba(0, 113, 227, 0.22) 0%, rgba(0, 113, 227, 0.1) 100%);
    box-shadow: 0 6px 18px rgba(0, 113, 227, 0.18);
}

.dropzone__input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.dropzone__text {
    margin: 0;
    font-size: var(--text-base);
    font-weight: 650;
    letter-spacing: -0.01em;
    pointer-events: none;
}

.dropzone__hint {
    margin: 0.45rem 0 0;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
    pointer-events: none;
}

.upload-queue {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.upload-batch {
    padding: 0.85rem 1rem;
    background: rgba(0, 113, 227, 0.06);
    border: 1px solid rgba(0, 113, 227, 0.18);
    border-radius: var(--radius-lg);
}

.upload-batch.is-done {
    background: rgba(5, 150, 105, 0.06);
    border-color: rgba(5, 150, 105, 0.22);
}

.upload-batch.is-error {
    background: rgba(255, 59, 48, 0.06);
    border-color: rgba(255, 59, 48, 0.22);
}

.upload-batch__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.2rem;
}

.upload-batch__title {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: 650;
    color: var(--color-text);
}

.upload-batch__filter {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    cursor: pointer;
    user-select: none;
}

.upload-batch__filter-input {
    margin: 0;
    accent-color: var(--color-secondary);
}

.upload-batch__meta {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.upload-batch__stats {
    margin: 0.35rem 0 0;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    font-variant-numeric: tabular-nums;
}

.upload-item {
    padding: 1rem 1.05rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.upload-item__name {
    margin: 0 0 0.25rem;
    font-weight: 650;
    word-break: break-word;
}

.upload-item__status {
    margin: 0 0 0.2rem;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.upload-item__meta {
    margin: 0 0 0.65rem;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
    line-height: 1.4;
}

.upload-item__actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.65rem;
}

.progress {
    width: 100%;
    height: 0.35rem;
    border-radius: var(--radius-full);
    background: var(--color-border);
    overflow: hidden;
}

.progress__bar {
    height: 100%;
    width: 0%;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    transition: width 0.15s linear;
}

.progress__bar.is-done {
    background: var(--color-success);
}

.progress__bar.is-error {
    background: var(--color-danger);
    width: 100%;
}

.app-tabbar__btn--logout {
    display: none;
}

/* Bottom tab bar — floating pill on mobile */
.app-tabbar {
    position: fixed;
    left: 50%;
    bottom: calc(var(--safe-bottom) + var(--tabbar-float-gap));
    z-index: 50;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.3rem;
    width: min(
        calc(100% - (var(--tabbar-float-inset) * 2)),
        calc(var(--app-max) - (var(--tabbar-float-inset) * 2))
    );
    min-height: var(--tabbar-height);
    padding: 0.55rem 0.85rem;
    transform: translateX(-50%);
    background: rgba(251, 251, 253, 0.94);
    border: 1px solid var(--color-border);
    border-radius: var(--tabbar-shell-radius);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.app-tabbar__btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-height: 3.25rem;
    padding: 0.3rem 0.4rem;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
}

.app-tabbar__btn.is-active {
    color: var(--color-secondary);
    background: rgba(0, 113, 227, 0.08);
}

.app-tabbar__icon {
    display: block;
    width: 1.2rem;
    height: 1.2rem;
    background: currentColor;
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
}

.app-tabbar__icon--files {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M4 20h16a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.93a2 2 0 0 1-1.66-.9l-.82-1.2A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13a2 2 0 0 0 2 2z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M4 20h16a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.93a2 2 0 0 1-1.66-.9l-.82-1.2A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13a2 2 0 0 0 2 2z'/%3E%3C/svg%3E");
}

.app-tabbar__icon--upload {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M12 16V5M7 9l5-4 5 4M5 19h14'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M12 16V5M7 9l5-4 5 4M5 19h14'/%3E%3C/svg%3E");
}

.app-tabbar__icon--logs {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M9 5H7a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2h-2'/%3E%3Crect x='9' y='3' width='6' height='4' rx='1'/%3E%3Cpath d='M9 12h6M9 16h4'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M9 5H7a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V7a2 2 0 0 0-2-2h-2'/%3E%3Crect x='9' y='3' width='6' height='4' rx='1'/%3E%3Cpath d='M9 12h6M9 16h4'/%3E%3C/svg%3E");
}

.app-tabbar__icon--settings {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 1 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 1 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 1 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 1 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 1 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 1 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 1 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.32 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 1 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 1 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 1 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 1 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 1 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 1 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 1 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 1 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.32 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 1 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z'/%3E%3C/svg%3E");
}

.app-tabbar__icon--logout {
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4M16 17l5-5-5-5M21 12H9'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4M16 17l5-5-5-5M21 12H9'/%3E%3C/svg%3E");
}

.app-tabbar__label {
    font-size: 0.7rem;
    font-weight: 650;
}

.dropzone__icon {
    display: grid;
    place-items: center;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 0.65rem;
    border: 1px solid rgba(0, 113, 227, 0.14);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(0, 113, 227, 0.16) 0%, rgba(0, 113, 227, 0.06) 100%);
    box-shadow: 0 3px 12px rgba(0, 113, 227, 0.12);
    pointer-events: none;
    transition:
        transform var(--transition),
        background var(--transition),
        box-shadow var(--transition);
}

.dropzone__icon::before {
    content: "";
    width: 1.45rem;
    height: 1.45rem;
    background: var(--color-secondary);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4'%3E%3Cpath d='M12 16V5M7 9l5-4 5 4M5 19h14'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4'%3E%3Cpath d='M12 16V5M7 9l5-4 5 4M5 19h14'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Logs */
.table-wrap {
    overflow-x: auto;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    -webkit-overflow-scrolling: touch;
}

.log-table {
    width: 100%;
    min-width: 44rem;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.log-table th,
.log-table td {
    padding: 0.65rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.log-table th {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    background: var(--color-bg-elevated);
    font-size: var(--text-xs);
    font-weight: 650;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.log-table td {
    word-break: break-word;
}

.log-row--pending {
    background: rgba(217, 119, 6, 0.05);
}

/* File cell: icon + name */
.log-file {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
    font-weight: 600;
}

.log-file__icon {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-sm);
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
}

.log-file__icon svg {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
}

.log-file__name {
    overflow: hidden;
    max-width: 15rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Status / size badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
}

.badge svg {
    width: 0.75rem;
    height: 0.75rem;
    fill: currentColor;
}

.badge--success {
    background: rgba(5, 150, 105, 0.12);
    color: var(--color-success);
}

.badge--warning {
    background: rgba(217, 119, 6, 0.12);
    color: var(--color-warning);
}

.badge--muted {
    background: rgba(100, 116, 139, 0.12);
    color: var(--color-text-muted);
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-sm);
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: 600;
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    white-space: nowrap;
}

.log-ua {
    display: inline-block;
    overflow: hidden;
    max-width: 14rem;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
}

/* Dialog — sheet-like on mobile */
.dialog {
    border: none;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 0;
    margin: auto 0 0;
    max-width: var(--app-max);
    max-height: 88dvh;
    width: 100%;
    box-shadow: var(--shadow-md);
    overflow-y: auto;
}

.dialog::backdrop {
    background: rgba(0, 0, 0, 0.35);
}

.dialog__form {
    padding: var(--space-lg);
    padding-bottom: calc(var(--space-lg) + var(--safe-bottom));
}

.dialog__title {
    margin: 0 0 var(--space-md);
    font-size: var(--text-xl);
    letter-spacing: -0.02em;
}

.dialog__subtitle {
    margin: -0.5rem 0 var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    word-break: break-word;
}

.dialog__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.dialog--wide {
    max-width: min(100%, 26rem);
}

.dialog--wide .dialog__form {
    padding: var(--space-xl) var(--space-lg);
    padding-bottom: calc(var(--space-xl) + var(--safe-bottom));
}

.dialog--wide .choice-option {
    padding: 0.75rem 1rem;
}

.dialog--wide .share-existing {
    max-height: 14rem;
}

/* Selectable chips + radio-card options (share dialog) */
.choice-chips {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
    margin-bottom: var(--space-sm);
}

.choice-chips--wrap {
    display: flex;
    flex-wrap: wrap;
    grid-template-columns: unset;
}

.choice-chip {
    position: relative;
    cursor: pointer;
}

.choice-chip input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.choice-chip > span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.5rem 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    text-align: center;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.choice-chip:has(input:checked) > span {
    border-color: var(--color-accent);
    background: rgba(0, 113, 227, 0.06);
    color: var(--color-accent);
}

.choice-chip:has(input:focus-visible) > span {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.choice-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0 0 var(--space-md);
    padding: 0;
    border: none;
}

.choice-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}

.choice-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.choice-option__indicator {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-border-strong);
    border-radius: 50%;
    transition: border-color var(--transition);
}

.choice-option__indicator::after {
    content: "";
    display: block;
    width: 0.625rem;
    height: 0.625rem;
    margin: 0.1875rem;
    border-radius: 50%;
    background: transparent;
    transition: background var(--transition);
}

.choice-option__text {
    flex: 1;
    line-height: 1.35;
}

.choice-option:has(input:checked) {
    border-color: var(--color-accent);
    background: rgba(0, 113, 227, 0.06);
}

.choice-option:has(input:checked) .choice-option__indicator {
    border-color: var(--color-accent);
}

.choice-option:has(input:checked) .choice-option__indicator::after {
    background: var(--color-accent);
}

.choice-option:has(input:focus-visible) {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.share-duration__unit {
    margin-bottom: 0;
}

.share-protection {
    margin-bottom: var(--space-md);
}

.share-result {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(5, 150, 105, 0.08);
}

.share-result__row {
    display: flex;
    gap: var(--space-xs);
    margin-top: 0.35rem;
}

.share-result__row .input {
    min-height: 2.5rem;
    font-size: var(--text-sm);
}

.share-existing {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: 0 0 var(--space-md);
    padding: 0;
    list-style: none;
    max-height: 12rem;
    overflow-y: auto;
}

.share-existing__empty {
    padding: var(--space-sm);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    text-align: center;
}

.share-existing__item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.share-existing__item.is-expired {
    opacity: 0.6;
}

.share-existing__info {
    flex: 1;
    min-width: 0;
}

.share-existing__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.3rem;
}

.share-existing__link {
    margin: 0;
    overflow: hidden;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.share-existing__actions {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    gap: 0.3rem;
}

/* Settings tab layout — 2 columns on tablet+ */
.settings-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    width: 100%;
}

@media (min-width: 768px) {
    .settings-layout {
        grid-template-columns: 1fr 1fr;
    }
}

.settings-layout .settings-group {
    margin-bottom: 0;
    width: 100%;
    height: 100%;
}

/* Settings tab forms */
.settings-form {
    padding: var(--space-lg);
}

.settings-form__title {
    margin: 0 0 0.3rem;
    font-size: var(--text-lg);
}

.settings-form__hint {
    margin: 0 0 var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.settings-form__status {
    margin: 0 0 var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.settings-form__message {
    margin: 0 0 var(--space-md);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(220, 38, 38, 0.1);
    color: var(--color-danger);
    font-size: var(--text-sm);
}

.settings-form__message--ok {
    background: rgba(5, 150, 105, 0.12);
    color: var(--color-success);
}

.settings-form__actions {
    display: flex;
    gap: var(--space-sm);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Desktop / tablet — app window look */
@media (min-width: 768px) {
    :root {
        --app-max: 26rem;
    }

    .view--app {
        align-items: center;
        padding: 2rem 1rem;
    }

    .app-shell {
        min-height: min(860px, calc(100dvh - 4rem));
        max-height: calc(100dvh - 4rem);
        border-radius: var(--radius-xl);
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-app);
        overflow: hidden;
    }

    .app-topbar {
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }

    .app-main {
        overflow-y: auto;
        padding-bottom: calc(var(--tabbar-height) + var(--safe-bottom) + var(--space-md));
    }

    .app-tabbar {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: none;
        transform: none;
        border: none;
        border-top: 1px solid var(--color-border);
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        box-shadow: none;
        min-height: calc(var(--tabbar-height) + var(--safe-bottom));
        gap: 0.3rem;
        padding: 0.55rem 0.75rem calc(0.55rem + var(--safe-bottom));
    }

    .app-tabbar__btn {
        border-radius: var(--radius-sm);
        padding: 0.35rem 0.45rem;
    }

    .dialog {
        border-radius: var(--radius-xl);
        margin: auto;
        width: calc(100% - 2rem);
        max-width: 22rem;
    }

    .dialog--wide {
        width: min(calc(100% - 2rem), 36rem);
        max-width: 36rem;
    }
}

@media (min-width: 1100px) {
    :root {
        --app-max: 420px;
    }

    /* Dual-pane desktop app chrome */
    .view--app {
        padding: 1.5rem;
    }

    .app-shell {
        display: grid;
        grid-template-columns: 6.25rem 1fr;
        grid-template-rows: auto 1fr;
        width: min(1360px, 97%);
        max-width: none;
        min-height: min(800px, calc(100dvh - 3rem));
    }

    .app-topbar {
        grid-column: 1 / -1;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }

    .app-tabbar {
        position: relative;
        grid-column: 1;
        grid-row: 2;
        left: auto;
        right: auto;
        bottom: auto;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        gap: 0.45rem;
        width: auto;
        min-height: 0;
        padding: 1rem 0.65rem;
        border-top: none;
        border-right: 1px solid var(--color-border);
        border-radius: 0 0 0 var(--radius-xl);
        box-shadow: none;
        background: var(--color-bg-card);
        transform: none;
    }

    .app-tabbar__btn {
        min-height: 4.5rem;
        padding: 0.55rem 0.4rem;
        border-radius: var(--radius-sm);
    }

    .app-main {
        grid-column: 2;
        grid-row: 2;
        padding: 1.5rem 1.75rem;
        padding-bottom: 1.75rem;
        max-width: none;
    }

    .page-header--toolbar {
        display: flex;
        flex-wrap: nowrap;
        gap: 0.6rem;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .page-header--toolbar::-webkit-scrollbar {
        display: none;
    }

    .page-header--toolbar .page-header__title {
        grid-column: auto;
        grid-row: auto;
    }

    .page-header--toolbar .page-header__actions {
        grid-column: auto;
        grid-row: auto;
        justify-self: auto;
    }

    .page-header--toolbar .filter-bar {
        grid-column: auto;
        grid-row: auto;
        flex: 1 1 auto;
        min-width: 9rem;
        width: auto;
    }

    .file-list {
        grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
        gap: 0.85rem;
    }
}

/* Mobile app chrome — hide topbar, reorder tab bar with centered upload */
@media (max-width: 1099px) {
    .app-topbar {
        display: none;
    }

    .app-main {
        padding-top: calc(var(--safe-top) + var(--space-md));
    }

    .app-tabbar__btn--logout {
        display: flex;
        order: 5;
    }

    .app-tabbar__btn[data-tab="files"] {
        order: 1;
    }

    .app-tabbar__btn[data-tab="logs"] {
        order: 2;
    }

    .app-tabbar__btn[data-tab="upload"] {
        order: 3;
    }

    .app-tabbar__btn[data-tab="upload"] .app-tabbar__icon {
        width: 1.3rem;
        height: 1.3rem;
    }

    .app-tabbar__btn[data-tab="settings"] {
        order: 4;
    }

    .app-tabbar__btn--logout.is-active,
    .app-tabbar__btn--logout:active {
        color: var(--color-danger);
        background: rgba(255, 59, 48, 0.08);
    }

    .file-card__head {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.1rem;
        min-height: auto;
        padding: 0.45rem 0.55rem 0.35rem;
    }

    .file-card__name {
        width: 100%;
        max-width: 100%;
        font-size: 0.6875rem;
        line-height: 1.2;
    }

    .file-card__size {
        font-size: 0.625rem;
    }

    .file-card__preview {
        height: 5.75rem;
    }

    .file-card__preview svg {
        width: 1.85rem;
        height: 1.85rem;
    }

    .file-card .action-group__btn {
        height: 2.15rem;
    }

    .file-card .action-group__icon {
        width: 0.8rem;
        height: 0.8rem;
    }
}

@media (max-width: 359px) {
    .page-header--toolbar .page-header__title {
        font-size: var(--text-base);
    }

    .page-header--toolbar .page-header__actions .btn--sm {
        padding: 0.35rem 0.55rem;
        font-size: 0.75rem;
    }

    .file-list {
        gap: 0.4rem;
    }

    .file-card__preview {
        height: 5rem;
    }

    .file-card .action-group__btn {
        height: 2rem;
    }
}

@media (min-width: 1440px) {
    .app-shell {
        width: min(1600px, 92%);
    }
}

/* Public share page (/s/{token}) */
.share-body {
    background: var(--color-bg);
}

.share-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100dvh;
    padding: var(--space-md);
    padding-top: calc(var(--space-lg) + var(--safe-top));
    padding-bottom: calc(var(--space-xl) + var(--safe-bottom));
}

.share-topbar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    width: min(100%, 36rem);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.share-topbar__brand {
    display: inline-flex;
    align-items: center;
}

.share-topbar__logo {
    display: block;
    width: auto;
    height: 2rem;
    max-width: min(14rem, 80vw);
    object-fit: contain;
}

.share-topbar__hint {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.share-page__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.share-card {
    width: min(100%, 32rem);
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
}

.share-card--file {
    padding: 0;
    overflow: hidden;
}

.share-card--center {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.share-card--dark {
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.share-card--dark .share-card__subtitle {
    color: var(--color-text-muted);
}

.share-card__title {
    margin: 0 0 var(--space-xs);
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.share-card__subtitle {
    margin: 0 0 var(--space-lg);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.share-card--dark .pin-display {
    width: min(100%, 22rem);
}

.share-card--dark .pin-pad {
    width: min(100%, 22rem);
}

.share-card--dark .btn--primary {
    width: min(100%, 22rem);
}

.share-loading__text {
    margin: 0;
    padding: var(--space-lg) 0;
    color: var(--color-text-muted);
    text-align: center;
}

.share-error__icon {
    display: inline-flex;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: var(--space-md);
    color: var(--color-danger);
}

.share-error__icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.share-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 12rem;
    max-height: min(52vh, 28rem);
    background: var(--color-bg-elevated);
    overflow: hidden;
}

.share-preview__image {
    display: block;
    width: 100%;
    height: 100%;
    max-height: min(52vh, 28rem);
    object-fit: contain;
    background: #0f172a;
}

.share-preview__video {
    width: 100%;
    max-height: min(52vh, 28rem);
    background: #000;
}

.share-preview__audio {
    width: calc(100% - 2rem);
    margin: var(--space-lg) 0;
}

.share-preview__pdf {
    width: 100%;
    height: min(52vh, 28rem);
    border: none;
}

.share-preview__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4.5rem;
    height: 4.5rem;
    color: var(--color-text-muted);
}

.share-preview__icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.share-file__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
}

.share-file__name {
    margin: 0;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.02em;
    word-break: break-word;
}

.share-file__details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.share-file__chip {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1.2;
}

.share-file__chip--size {
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
}

.share-file__chip--expiry {
    background: rgba(217, 119, 6, 0.12);
    color: var(--color-warning);
}

.share-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    width: 100%;
    min-height: 3rem;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-secondary);
    color: #fff;
    font: inherit;
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}

.share-download-btn svg {
    width: 1.2rem;
    height: 1.2rem;
    fill: currentColor;
    flex-shrink: 0;
}

.share-download-btn:hover {
    background: #0077ed;
}

.share-download-btn:active {
    transform: scale(0.98);
}

.share-download-btn:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

@media (min-width: 768px) {
    .share-card {
        width: min(100%, 36rem);
    }

    .share-card--center,
    .share-card--dark {
        padding: calc(var(--space-xl) * 1.15) var(--space-xl);
    }

    .share-file__body {
        padding: var(--space-xl);
    }

    .share-file__name {
        font-size: var(--text-xl);
    }
}