/* ============================================================
   nullhost — dead simple, dark, clean
   ============================================================ */

:root {
    --bg:        #0c0c0c;
    --surface:   #111111;
    --surface-2: #181818;
    --border:    rgba(255, 255, 255, 0.07);
    --border-h:  rgba(255, 255, 255, 0.16);
    --text-1:    #f0f0f0;
    --text-2:    #888;
    --text-3:    #444;
    --red:       #ef4444;
    --green:     #22c55e;
    --blue:      #60a5fa;
    --radius:    8px;
    --ease:      cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out:  cubic-bezier(0.23, 1, 0.32, 1);
    --motion-fast: 110ms;
    --motion-ui: 170ms;
    --motion-panel: 220ms;
}

/* ── Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html { -webkit-font-smoothing: antialiased; background: var(--bg); }
html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

/* Keep the outgoing document visible until the next same-origin page is ready. */
@view-transition {
    navigation: auto;
}

::view-transition-old(root) {
    animation: 105ms ease-in both nullhost-page-out;
}

::view-transition-new(root) {
    animation: 175ms var(--ease-out) both nullhost-page-in;
}

@keyframes nullhost-page-out {
    to { opacity: .72; transform: translateY(-2px); }
}

@keyframes nullhost-page-in {
    from { opacity: .4; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

body {
    font-family: 'Archivo', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg);
    background-image: radial-gradient(ellipse at top center, #1e1e21 0%, transparent 70%);
    background-attachment: fixed;
    color: var(--text-1);   /* fix: was --text-2 (#888) — everything inherited gray */
    line-height: 1.6;
    font-size: 0.92rem;
    min-height: 100vh;
    transition: background-color var(--motion-panel) var(--ease-out), color var(--motion-ui) var(--ease-out);
}

/* ── Nav ── */
.nav-container {
    border-bottom: 1px solid var(--border);
    background: rgba(12, 12, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 820px;
    margin: 0 auto;
    padding: 14px 20px;
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1;
    color: var(--text-1);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    color: var(--text-2);   /* fix: was --text-3 (#444) — nearly invisible on dark bg */
    padding: 5px 10px;
    border-radius: var(--radius);
    transition: color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-height: 0;
    margin: 0;
    padding: 5px 10px;
    border: 0;
    background: transparent;
    color: var(--text-2);
    font: inherit;
    font-size: .82rem;
    line-height: 1.6;
    cursor: pointer;
}

.theme-toggle:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

@media (hover: hover) and (pointer: fine) {
    .nav-links a:hover {
        color: var(--text-1);
        background: var(--surface);
    }
}

/* ── Main content area ── */
.content {
    max-width: 820px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* ── Typography ── */
h1 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

h3 {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-2);   /* fix: was --text-3 (#444) — unreadable as section heading */
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

p {
    color: var(--text-2);
    margin-bottom: 12px;
}

a {
    color: var(--text-1);
    text-decoration: none;
    transition: color 0.15s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
    a:hover { color: var(--text-2); }
}

/* ── Divider ── */
hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 28px 0;
}

/* ── Section spacing ── */
.section {
    margin-bottom: 36px;
}

.share-links {
    width: min(620px, calc(100vw - 44px));
    margin-top: 14px;
}

.share-link-row {
    display: grid;
    grid-template-columns: minmax(112px, .55fr) minmax(0, 2fr) auto;
    align-items: end;
    gap: 10px;
    padding: 10px 0;
}

.share-link-copy {
    min-width: 0;
    padding-bottom: 5px;
}

.share-link-copy label {
    margin: 0;
    color: var(--text-1);
    font-size: .78rem;
    letter-spacing: 0;
    text-transform: none;
}

.share-link-copy small {
    display: block;
    margin-top: 2px;
    color: var(--text-2);
    font-size: .7rem;
    line-height: 1.35;
}

.share-link-row input[type="text"] {
    max-width: none;
    min-width: 0;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .78rem;
    cursor: text;
}

.share-link-row button {
    min-width: 92px;
    white-space: nowrap;
}

.copy-status {
    min-height: 22px;
    margin: 4px 0 0;
    color: var(--green);
    font-size: .76rem;
}

@media (max-width: 620px) {
    .share-link-row {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: end;
    }
    .share-link-copy { grid-column: 1 / -1; padding-bottom: 0; }
    .share-link-row input[type="text"] { font-size: 16px; }
    .share-link-row button { min-height: 42px; }
}

.turnstile-wrap {
    min-height: 65px;
    margin-top: 18px;
    overflow: hidden;
}

.upload-verification {
    width: fit-content;
    max-width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}
.upload-verification[hidden] { display: none; }
.upload-verification > strong,
.upload-verification > span { display: block; margin-bottom: 8px; }

.multi-download-warning {
    margin: 0 0 18px;
    padding: 16px;
    border: 1px solid var(--yellow, #c89535);
    border-radius: var(--radius);
    background: var(--surface);
}
.multi-download-warning p { max-width: 68ch; margin: 7px 0 14px; color: var(--text-2); }

/* ── Labels ── */
label {
    display: block;
    font-size: 0.73rem;
    font-weight: 500;
    color: var(--text-2);   /* fix: was --text-3 (#444) — labels need to be readable */
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 6px;
    margin-top: 16px;
}

label:first-child { margin-top: 0; }

/* ── Inputs ── */
input[type="text"],
input[type="password"],
input[type="number"],
input[type="file"],
input[type="search"],
select,
textarea {
    display: block;
    width: 100%;
    max-width: 520px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-1);
    font-family: inherit;
    font-size: 0.9rem;
    padding: 10px 12px;
    outline: none;
    transition: border-color 0.15s var(--ease);
    -webkit-appearance: none;
    appearance: none;
}

/* ── Account workspace and collection operations ── */
.account-header,
.workspace-section-heading,
.refined-collection-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.account-header {
    margin-bottom: 14px;
}

.account-header-actions,
.collection-header-actions,
.panel-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.primary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 16px;
    border: 1px solid var(--text-1);
    border-radius: var(--radius);
    background: var(--text-1);
    color: var(--bg);
    font-weight: 600;
}

.account-key-panel,
.collection-create-panel,
.collection-share-panel,
.collection-manage-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.account-key-panel > summary,
.collection-create-panel > summary,
.collection-share-panel > summary,
.collection-manage-panel > summary {
    padding: 12px 14px;
    color: var(--text-2);
    font-size: .8rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.account-key-panel[open] > summary,
.collection-create-panel[open] > summary,
.collection-share-panel[open] > summary,
.collection-manage-panel[open] > summary {
    border-bottom: 1px solid var(--border);
}

.account-key-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px;
}

.account-key-content code {
    color: var(--text-1);
    font-size: .9rem;
}

.account-key-content .warning {
    flex: 1 1 260px;
    color: var(--text-2);
    font-size: .76rem;
}

.workspace-section {
    margin-top: 44px;
}

.workspace-section-heading {
    align-items: flex-end;
    margin-bottom: 14px;
}

.workspace-section-heading h2 {
    margin-bottom: 2px;
    font-size: 1.2rem;
}

.workspace-section-heading p {
    margin: 0;
    font-size: .8rem;
}

.collection-create-panel {
    margin-bottom: 12px;
}

.collection-create-panel:not([open]) > summary {
    display: none;
}

.collection-create-form {
    margin: 0;
    padding: 16px;
}

.compact-picker {
    max-height: 220px;
}

.picker-heading strong {
    margin-left: 6px;
    color: var(--text-1);
    font-size: .72rem;
    font-weight: 500;
}

.panel-actions {
    margin-top: 14px;
}

.collection-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.collection-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    min-height: 72px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text-1);
    transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.collection-card-copy {
    min-width: 0;
}

.collection-card strong,
.collection-card small {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.collection-card strong { font-size: .9rem; }
.collection-card small { margin-top: 3px; color: var(--text-2); font-size: .72rem; }
.collection-open { color: var(--blue); font-size: .74rem; }

.collection-created-toast {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: min(520px, calc(100vw - 28px));
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface, #111);
    box-shadow: 0 16px 44px rgba(0, 0, 0, .28);
}
.collection-created-toast[hidden] { display: none; }
.collection-created-toast span { margin-right: 4px; }

@media (max-width: 620px) {
    .collection-created-toast { right: 10px; bottom: 10px; flex-wrap: wrap; }
    .collection-created-toast span { flex: 1 1 100%; }
}

@media (hover: hover) and (pointer: fine) {
    .collection-card:hover {
        border-color: var(--border-h);
        background: var(--surface-2);
        color: var(--text-1);
    }
}

.compact-empty { padding: 16px; }

.item-library-heading {
    align-items: center;
}

.item-search {
    width: min(240px, 100%);
    min-height: 38px;
}

.account-bulk-bar {
    position: sticky;
    top: 70px;
    z-index: 25;
    display: grid;
    grid-template-columns: auto minmax(150px, .9fr) minmax(130px, .8fr) auto auto;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding: 9px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(17, 19, 24, .97);
    box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
}

.account-bulk-bar select,
.account-bulk-bar input {
    min-width: 0;
    min-height: 38px;
}

.bulk-selection-summary,
.collection-selection-control {
    display: flex;
    align-items: center;
    gap: 9px;
    white-space: nowrap;
}

#library-selection-count {
    color: var(--text-2);
    font-size: .74rem;
}

.account-item-list {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
}

.account-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 11px;
    min-height: 66px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.account-item:last-child { border-bottom: 0; }
.account-item-select { margin: 0; }
.account-item-select input { margin: 0; }
.account-item-main { min-width: 0; color: var(--text-1); }
.account-item-main strong,
.account-item-main small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-item-main strong { font-size: .84rem; font-weight: 500; }
.account-item-main small { margin-top: 2px; color: var(--text-2); font-size: .7rem; }
.account-item-actions { display: flex; align-items: center; gap: 5px; }
.account-item-actions .btn-small { min-height: 32px; }
.empty-filter { padding: 22px; text-align: center; }
.empty-filter.hidden { display: none !important; }

.account-nuke-panel {
    margin-top: 48px;
    border: 1px solid rgba(255, 107, 120, .28);
    border-radius: var(--radius);
    background: rgba(255, 107, 120, .025);
}

.account-nuke-panel > summary {
    padding: 12px 14px;
    color: var(--red);
    font-size: .78rem;
    font-weight: 500;
    cursor: pointer;
}

.account-nuke-panel[open] > summary {
    border-bottom: 1px solid rgba(255, 107, 120, .2);
}

.account-nuke-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px;
}

.account-nuke-content strong {
    color: var(--text-1);
}

.account-nuke-content p {
    max-width: 62ch;
    margin: 3px 0 0;
    font-size: .76rem;
}

.account-nuke-content form {
    flex: 0 0 auto;
}

.nuke-confirm-form {
    display: grid;
    grid-template-columns: minmax(120px, 160px) auto;
    align-items: end;
    gap: 6px 8px;
}

.nuke-confirm-form label,
.nuke-confirm-form small {
    grid-column: 1 / -1;
    margin: 0;
}

.nuke-confirm-form input {
    min-width: 0;
    text-transform: uppercase;
}

.nuke-confirm-form small {
    max-width: 36ch;
    color: var(--text-2);
    font-size: .7rem;
    line-height: 1.4;
}

.back-link {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--text-2);
    font-size: .78rem;
}

.refined-collection-header {
    align-items: center;
    margin-bottom: 14px;
}

.collection-header-actions .button,
.collection-header-actions button { min-height: 40px; }

.collection-share-panel,
.collection-manage-panel {
    margin-bottom: 12px;
}

.collection-share-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
}

.collection-share-content p {
    margin: 3px 0 0;
    font-size: .78rem;
}

.collection-manage-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, .65fr);
    gap: 22px;
    padding: 16px;
}

.collection-manage-grid h3 { margin-bottom: 12px; }
.inline-folder-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.inline-folder-row input { max-width: none; }
.collection-settings-form button { margin-top: 14px; }
.plain-checkbox { display: flex; align-items: center; gap: 6px; text-transform: none; letter-spacing: 0; }
.delete-collection-form { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.delete-content-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    padding: 11px 12px;
    border: 1px solid color-mix(in srgb, var(--danger) 32%, var(--border));
    border-radius: 8px;
    background: color-mix(in srgb, var(--danger) 7%, transparent);
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
}
.delete-content-option input { margin-top: 2px; flex: 0 0 auto; }
.delete-content-copy { display: grid; gap: 3px; line-height: 1.3; }
.delete-content-copy strong { color: var(--text); font-size: .85rem; font-weight: 600; }
.delete-content-copy small { color: var(--muted); font-size: .74rem; }

.collection-toolbar {
    display: flex;
    margin-top: 18px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
}

.collection-toolbar .collection-move-form {
    display: grid;
    grid-template-columns: minmax(120px, 170px) auto;
    gap: 6px;
}

.collection-toolbar input {
    min-height: 36px;
    padding: 7px 10px;
}

.tree-root-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tree-root-label small,
.folder-count {
    color: var(--text-3);
    font-size: .68rem;
    font-weight: 500;
}

.tree-folder summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.collection-empty-state .button {
    width: fit-content;
    margin-top: 8px;
}

@media (max-width: 760px) {
    .account-header,
    .workspace-section-heading,
    .refined-collection-header {
        align-items: stretch;
        flex-direction: column;
    }

    .account-header-actions,
    .collection-header-actions { width: 100%; }
    .account-header-actions > *,
    .collection-header-actions > * { flex: 1; }
    .account-header-actions button,
    .collection-header-actions button,
    .collection-header-actions .button { width: 100%; }
    .collection-cards { grid-template-columns: 1fr; }
    .item-search { width: 100%; max-width: none; }
    .account-bulk-bar { position: static; grid-template-columns: 1fr 1fr; }
    .bulk-selection-summary { grid-column: 1 / -1; }
    .account-bulk-bar select { grid-column: 1 / -1; max-width: none; }
    .account-item { grid-template-columns: auto minmax(0, 1fr); }
    .account-item-actions { grid-column: 2; flex-wrap: wrap; }
    .collection-manage-grid { grid-template-columns: 1fr; }
    .collection-share-content { align-items: flex-start; }
    .collection-toolbar { align-items: stretch; }
    .collection-selection-control { flex: 1 1 100%; justify-content: space-between; }
    .collection-toolbar .collection-move-form { flex: 1 1 100%; grid-template-columns: 1fr auto; }
    .tree-file-actions { padding-left: 0; }
    .account-nuke-content { align-items: stretch; flex-direction: column; }
    .nuke-confirm-form { grid-template-columns: 1fr; }
    .nuke-confirm-form > * { grid-column: 1; }
    .account-nuke-content button { width: 100%; }
}

@media (max-width: 460px) {
    .account-bulk-bar { grid-template-columns: 1fr; }
    .account-bulk-bar > * { grid-column: 1; width: 100%; }
    .account-item-actions .btn-small { flex: 1 1 calc(50% - 5px); text-align: center; }
    .account-item-actions form { flex: 1 1 calc(50% - 5px); }
    .account-item-actions form button { width: 100%; }
    .form-row.compact-row { grid-template-columns: 1fr; }
    .collection-share-content { flex-direction: column; }
    .inline-folder-row { grid-template-columns: 1fr; }
}

input:focus, select:focus, textarea:focus {
    border-color: var(--border-h);
}

textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.55;
    max-width: 100%;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 16 16'%3E%3Cpath stroke='%23555' stroke-width='1.5' stroke-linecap='round' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
    padding-right: 32px;
    cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
    display: inline;
    width: auto;
    max-width: none;
    background: none;
    border: none;
    padding: 0;
    accent-color: var(--text-1);
    margin-right: 6px;
    cursor: pointer;
}

/* Inline checkbox/radio label */
label.inline {
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.87rem;
    color: var(--text-2);
    cursor: pointer;
    font-weight: 400;
}

/* ── Buttons ── */
button {
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    background: var(--surface-2);
    color: var(--text-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 9px 18px;
    cursor: pointer;
    transition: border-color 0.15s var(--ease), transform 0.1s ease-out;
    white-space: nowrap;
}

@media (hover: hover) and (pointer: fine) {
    button:hover {
        border-color: var(--border-h);
    }
}

button:active {
    transform: scale(0.97);
    transition: transform 0.08s ease-out;
}

/* Primary action button */
button.primary,
button[type="submit"].primary,
.btn-primary {
    background: var(--text-1);
    color: var(--bg);
    border-color: transparent;
    padding: 10px 22px;
}

@media (hover: hover) and (pointer: fine) {
    button.primary:hover,
    .btn-primary:hover {
        background: #d0d0d0;
        border-color: transparent;
    }
}

/* Danger button */
button.danger {
    color: var(--red);
    border-color: rgba(239, 68, 68, 0.2);
}

@media (hover: hover) and (pointer: fine) {
    button.danger:hover {
        border-color: rgba(239, 68, 68, 0.5);
        background: rgba(239, 68, 68, 0.06);
    }
}

button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Button row ── */
.btn-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* ── Progress bar ── */
progress {
    display: block;
    width: 100%;
    max-width: 520px;
    height: 3px;
    appearance: none;
    -webkit-appearance: none;
    border: none;
    background: var(--surface-2);
    border-radius: 2px;
    overflow: hidden;
}

progress::-webkit-progress-bar { background: var(--surface-2); }
progress::-webkit-progress-value {
    background: var(--text-1);
    border-radius: 2px;
}
progress::-moz-progress-bar { background: var(--text-1); }

.progress-label {
    font-size: 0.75rem;
    color: var(--text-2);   /* fix: was --text-3 */
    margin-top: 6px;
}

/* ── Drop zone ── */
.drop-zone {
    border: 1px dashed var(--border-h);
    border-radius: var(--radius);
    padding: 28px 20px;
    background: var(--surface);
    transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
    cursor: pointer;
}

.drop-zone.drag-over {
    border-color: rgba(255, 255, 255, 0.35);
    background: var(--surface-2);
}

.drop-zone-hint {
    font-size: 0.8rem;
    color: var(--text-3);
    margin-top: 8px;
}

/* ── Collapsible advanced options ── */
.adv-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: auto;
    min-height: 44px;
    font-size: 0.78rem;
    color: var(--text-2);   /* fix: was --text-3 */
    background: none;
    border: none;
    padding: 4px 0;
    cursor: pointer;
    transition: color 0.15s var(--ease);
    transform: none;
}

@media (max-width: 680px) {
    .adv-toggle {
        width: 100%;
        padding: 8px 0;
    }
}

.adv-toggle::before {
    content: '';
    width: 7px;
    height: 7px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(-45deg);
    transition: transform 180ms var(--ease-out);
}

.adv-toggle[aria-expanded="true"]::before {
    transform: rotate(45deg);
}

@media (hover: hover) and (pointer: fine) {
    .adv-toggle:hover { color: var(--text-2); }
}

.adv-toggle:active { transform: none; }

.adv-section {
    display: none;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: 16px;
}

.advanced-choice {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
}

.help-toggle {
    display: inline-grid;
    place-items: center;
    width: 28px;
    min-width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    color: var(--text-2);
    font-size: 0.76rem;
    font-weight: 700;
}

.field-help {
    max-width: 62ch;
    margin: 8px 0 0;
    color: var(--text-2);
    font-size: 0.82rem;
    line-height: 1.5;
}

.item-action-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.download-primary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--text-1);
    color: var(--bg);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 100ms ease-out, background-color 150ms var(--ease);
}

.item-action-row .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-2);
    color: var(--text-1);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
}

.download-primary-action:active {
    transform: scale(0.97);
}

/* ── Radio group ── */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

/* ── Custom link block — stands out from the surrounding radio group ── */
.custom-link-block {
    margin-top: 14px;
    border: 1px solid var(--border-h);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.custom-link-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-2);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.custom-link-block input[type="text"] {
    margin-top: 0;
    max-width: 100%;
}

.custom-link-hint {
    font-size: 0.78rem;
    color: var(--text-2);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.custom-link-hint em {
    color: var(--text-1);
    font-style: normal;
}

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th {
    font-size: 0.68rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-2);   /* fix: was --text-3 (#444) — column headers unreadable */
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 11px 14px;
    color: var(--text-2);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }

td a {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.82rem;
}

/* ── Stat cards ── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--surface);
    padding: 14px 12px;
    text-align: center;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.stat-value.danger { color: var(--red); }
.stat-value.good   { color: var(--green); }

.stat-label {
    font-size: 0.64rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-2);   /* fix: was --text-3 */
    margin-top: 4px;
}

/* ── Alert / warning blocks ── */
.warning {
    color: var(--red);
    font-size: 0.85rem;
    font-weight: 400;
}

.alert {
    border: 1px solid var(--border-h);
    padding: 10px 14px;
    background: var(--surface);
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--text-2);
    margin: 12px 0;
}

.alert.alert-danger {
    border-color: rgba(239, 68, 68, 0.28);
    background: rgba(239, 68, 68, 0.06);
    color: var(--text-1);
}

.alert.alert-info {
    border-left-color: var(--blue);
    background: rgba(96, 165, 250, 0.05);
}

/* ── Code / monospace ── */
code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    background: var(--surface-2);
    color: var(--text-1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.84rem;
}

/* ── Inline form for table actions ── */
.form-inline {
    display: inline;
    margin: 0;
}

.btn-small {
    font-size: 0.76rem;
    padding: 4px 10px;
    margin: 0;
}

/* ── Page subheading / meta text ── */
.meta {
    font-size: 0.82rem;
    color: var(--text-3);
    margin-bottom: 20px;
}

/* ── Footer ── */
.footer-links {
    text-align: center;
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
}

.footer-links a {
    color: var(--text-3);
    margin: 0 10px;
}

/* ── About ── */
.about-intro { max-width: 64ch; margin-bottom: 38px; font-size: 1rem; }
.about-capacity {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 0;
    margin: 26px 0 38px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.about-capacity strong { font-size: clamp(1.5rem, 5vw, 2.5rem); letter-spacing: -.04em; }
.about-capacity span { color: var(--text-2); text-align: right; }
.about-feature-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; }
.about-feature-list li { padding: 16px 0; border-bottom: 1px solid var(--border); }
.about-feature-list strong { display: block; margin-bottom: 3px; }
.about-feature-list span { color: var(--text-2); font-size: .85rem; }
.about-credit { margin-top: 42px; padding-top: 20px; border-top: 1px solid var(--border); }

@media (max-width: 620px) {
    .about-capacity { align-items: flex-start; flex-direction: column; gap: 2px; }
    .about-capacity span { text-align: left; }
    .about-feature-list { grid-template-columns: 1fr; }
}

/* ── 2FA / QR section ── */
.totp-card {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    align-items: center;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 20px;
}

.totp-qr img {
    display: block;
    width: 100px;
    height: 100px;
    border: 3px solid white;
    border-radius: 6px;
}

.totp-qr-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-bottom: 6px;
}
/* ── Animations & Motion ── */
.anim-reveal {
    display: none;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), display 200ms allow-discrete;
}

.anim-reveal.is-open {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

@starting-style {
    .anim-reveal.is-open {
        opacity: 0;
        transform: translateY(-8px);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.alert {
    animation: fadeInScale 300ms var(--ease-out) forwards;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .content { padding: 24px 14px 60px; }

    .nav { 
        min-height: 48px;
        padding: 4px 8px;
        flex-wrap: nowrap;
        gap: 4px;
    }

    .nav-brand { flex: 0 0 auto; font-size: .8rem; }

    .nav-links {
        flex: 1 1 auto;
        justify-content: flex-end;
        flex-wrap: nowrap;
        gap: 0;
        min-width: 0;
    }

    .nav-links a,
    .theme-toggle {
        min-height: 40px;
        padding: 9px 4px;
        font-size: clamp(.65rem, 3vw, .76rem);
        line-height: 1.4;
        white-space: nowrap;
    }

    input[type="text"],
    input[type="password"],
    input[type="number"],
    input[type="file"],
    select,
    textarea {
        max-width: 100%;
        font-size: 16px; /* prevent iOS Safari zoom */
    }

    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .radio-group {
        flex-wrap: wrap;
    }

    .desktop-only {
        display: none !important;
    }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
    button:active { transform: none !important; }
    ::view-transition-old(root),
    ::view-transition-new(root) { animation: none !important; }
}

/* ── Collections ── */
.collection-index {
    border-top: 1px solid var(--border);
    margin: 18px 0 28px;
}

.collection-index-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 4px;
    border-bottom: 1px solid var(--border);
}

.collection-index-row strong,
.collection-index-row small {
    display: block;
}

.collection-index-row small {
    color: var(--text-2);
    margin-top: 2px;
}

.collection-open {
    color: var(--blue);
    font-size: .8rem;
}

.collection-create-form {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.compact-row {
    margin-top: 4px;
}

.picker-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 20px;
    color: var(--text-2);
    font-size: .78rem;
}

.picker-heading button {
    width: auto;
}

.item-picker {
    max-height: 280px;
    margin-top: 8px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.item-picker-row {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    margin: 0;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
}

.item-picker-row:last-child {
    border-bottom: 0;
}

.item-picker-row input {
    flex: 0 0 auto;
    margin: 0;
}

.item-picker-copy {
    min-width: 0;
}

.item-picker-copy strong,
.item-picker-copy small {
    display: block;
    overflow-wrap: anywhere;
}

.item-picker-copy strong {
    color: var(--text-1);
    font-size: .84rem;
    font-weight: 500;
}

.item-picker-copy small {
    margin-top: 2px;
    color: var(--text-2);
    font-size: .72rem;
}

.collection-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 28px;
}

.collection-header h1 {
    overflow-wrap: anywhere;
}

.collection-qr {
    width: 104px;
    height: 104px;
    padding: 7px;
    border-radius: var(--radius);
    background: white;
}

.collection-toolbar {
    position: sticky;
    top: 70px;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(17, 17, 17, .96);
}

.collection-toolbar button {
    width: auto;
    white-space: nowrap;
}

#collection-selection-count {
    color: var(--text-2);
    font-size: .76rem;
}

.toolbar-spacer {
    flex: 1;
}

.collection-tree {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
}

.tree-root-label {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-1);
    font-weight: 600;
}

.tree-folder {
    border-bottom: 1px solid var(--border);
}

.tree-folder summary {
    min-height: 42px;
    padding: 11px 14px 11px calc(14px + var(--tree-depth) * 18px);
    color: var(--text-2);
    cursor: pointer;
    user-select: none;
}

.tree-branch {
    border-top: 1px solid var(--border);
}

.tree-file {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    min-height: 62px;
    padding: 9px 12px 9px calc(14px + var(--tree-depth) * 18px);
    border-bottom: 1px solid var(--border);
}

.tree-file:last-child {
    border-bottom: 0;
}

.tree-file-select {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
    cursor: pointer;
}

.tree-file-select input {
    margin: 0;
}

.tree-file-copy {
    min-width: 0;
}

.tree-file-copy strong,
.tree-file-copy small {
    display: block;
    overflow-wrap: anywhere;
}

.tree-file-copy strong {
    color: var(--text-1);
    font-size: .84rem;
    font-weight: 500;
}

.tree-file-copy small {
    color: var(--text-2);
    font-size: .7rem;
    margin-top: 2px;
}

.tree-file-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tree-file-actions .btn-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-2);
    color: var(--text-1);
    font-size: .72rem;
}

.tree-file-actions .primary {
    background: var(--text-1);
    color: var(--bg);
}

.empty-state {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-2);
}

.empty-state strong {
    color: var(--text-1);
}

.owner-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
}

.owner-actions .button {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 8px 16px;
}

.qr-share {
    width: fit-content;
    margin-top: 22px;
    color: var(--text-2);
}

.qr-share summary {
    cursor: pointer;
}

.qr-destination {
    display: inline-flex;
    gap: 3px;
    margin-top: 12px;
    padding: 3px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.qr-destination button {
    min-height: 30px;
    padding: 5px 10px;
    border: 0;
    background: transparent;
    color: var(--text-2);
    box-shadow: none;
    font-size: 0.78rem;
}

.qr-destination button.active {
    background: var(--surface-2);
    color: var(--text);
}

.qr-share img {
    display: block;
    width: 150px;
    height: 150px;
    margin-top: 12px;
    padding: 8px;
    border-radius: var(--radius);
    background: white;
}

/* ── Unified operational motion ── */
:where(a, button, .btn, .button, .primary-link, .download-primary-action, summary) {
    transition-property: color, background-color, border-color, box-shadow, opacity, transform;
    transition-duration: var(--motion-ui);
    transition-timing-function: var(--ease-out);
}

:where(.drop-zone, .collection-card, .account-item, .tree-file, .stat-card, .alert,
       .upload-verification, .custom-link-block, .empty-state, .totp-card,
       .account-bulk-bar, .collection-toolbar, .table-wrapper) {
    transition: background-color var(--motion-ui) var(--ease-out),
                border-color var(--motion-ui) var(--ease-out),
                box-shadow var(--motion-panel) var(--ease-out),
                transform var(--motion-ui) var(--ease-out),
                opacity var(--motion-ui) var(--ease-out);
}

:where(input, select, textarea) {
    transition: border-color var(--motion-fast) var(--ease-out),
                box-shadow var(--motion-ui) var(--ease-out),
                background-color var(--motion-ui) var(--ease-out),
                transform var(--motion-fast) var(--ease-out);
}

:where(input, select, textarea):focus-visible {
    transform: translateY(-1px);
}

:where(input[type="checkbox"], input[type="radio"]) {
    transition: transform var(--motion-fast) var(--ease-out), filter var(--motion-fast) var(--ease-out);
}

:where(input[type="checkbox"], input[type="radio"]):checked {
    transform: scale(1.08);
}

.drop-zone.drag-over {
    box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
    transform: scale(1.008);
}

progress::-webkit-progress-value {
    transition: inline-size var(--motion-ui) linear;
}

.collection-created-toast {
    transform-origin: right bottom;
}

.adv-toggle[aria-expanded="true"],
details[open] > summary {
    color: var(--text-1);
}

.qr-destination button.active {
    box-shadow: 0 3px 9px rgba(0, 0, 0, .12);
}

.copy-status:not(:empty) {
    text-shadow: 0 2px 10px color-mix(in srgb, var(--green) 24%, transparent);
}

@media (hover: hover) and (pointer: fine) {
    .collection-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(0, 0, 0, .14);
    }

    .account-item:hover,
    .tree-file:hover,
    tbody tr:hover td {
        background: var(--surface-2);
    }

    :where(.item-action-row .button, .tree-file-actions .btn-small, .primary-link, .download-primary-action):hover {
        transform: translateY(-1px);
        box-shadow: 0 7px 18px rgba(0, 0, 0, .16);
    }
}

@media (prefers-reduced-motion: reduce) {
    :where(input, select, textarea, .drop-zone, .collection-card, .account-item, .tree-file) {
        transform: none !important;
    }
}

@media (max-width: 680px) {
    .collection-header {
        align-items: center;
    }

    .collection-qr {
        width: 82px;
        height: 82px;
    }

    .collection-toolbar {
        position: static;
        flex-wrap: wrap;
    }

    .toolbar-spacer {
        display: none;
    }

    .collection-toolbar button,
    .collection-toolbar form {
        flex: 1 1 calc(50% - 8px);
    }

    .collection-toolbar button {
        width: 100%;
    }

    #collection-selection-count {
        flex: 1 1 calc(50% - 8px);
        text-align: right;
    }

    .tree-file {
        grid-template-columns: 1fr;
    }

    .tree-file-actions {
        padding-left: 28px;
        overflow-x: auto;
    }
}

/* Collection workspace refinements intentionally follow legacy collection rules. */
.collection-header.refined-collection-header {
    align-items: center;
    margin-bottom: 14px;
}

.collection-toolbar .collection-selection-control {
    display: flex;
    align-items: center;
    gap: 9px;
    white-space: nowrap;
}

.collection-toolbar .collection-move-form {
    display: grid;
    grid-template-columns: minmax(120px, 170px) auto;
    gap: 6px;
}

.collection-toolbar .collection-move-form input {
    width: 100%;
    min-height: 36px;
    padding: 7px 10px;
}

@media (max-width: 760px) {
    .collection-header.refined-collection-header {
        align-items: stretch;
        flex-direction: column;
    }

    .collection-toolbar {
        align-items: stretch;
    }

    .collection-toolbar .collection-selection-control,
    .collection-toolbar .collection-move-form {
        flex: 1 1 100%;
    }

    .collection-toolbar .collection-selection-control {
        justify-content: space-between;
    }

    .collection-toolbar .collection-move-form {
        grid-template-columns: 1fr auto;
    }

    .tree-file-actions {
        padding-left: 0;
    }
}