.private-folders-feature {
    grid-column: 1 / -1;
    overflow: hidden;
    padding: 1.55rem;
    border: 1px solid var(--border);
    border-radius: 26px;
    background:
        radial-gradient(circle at 100% 0, rgba(255, 159, 71, 0.13), transparent 32%),
        var(--surface);
    box-shadow: 0 18px 50px rgba(17, 26, 43, 0.06);
}
.private-folders-feature[hidden] { display: none !important; }
.private-folders-feature:not(.expanded) { padding-top: 1rem; padding-bottom: 1rem; }
.private-folders-feature:not(.expanded) .pf-folder-grid,
.private-folders-feature:not(.expanded) [data-pf-create] { display: none; }
.pf-header-actions { display: flex; align-items: center; gap: .45rem; }
.pf-toggle {
    width: 42px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-2);
    background: var(--surface-2);
    font: inherit;
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: .08em;
    cursor: pointer;
}
.private-folders-feature.expanded .pf-toggle { color: var(--accent-hover); border-color: rgba(255,159,71,.3); background: var(--accent-subtle); }
.pf-header, .pf-workspace-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.pf-heading { display: flex; align-items: center; gap: .85rem; min-width: 0; }
.pf-heading-icon {
    width: 45px;
    height: 45px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 15px;
    color: var(--accent-hover);
    background: var(--accent-subtle);
}
.pf-heading-icon svg { width: 21px; height: 21px; }
.pf-eyebrow {
    display: flex;
    align-items: center;
    gap: .45rem;
    margin-bottom: .28rem;
    color: var(--accent-hover);
    font-size: .58rem;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}
.pf-beta {
    padding: 2px 6px;
    border-radius: 6px;
    color: #fff;
    background: var(--accent);
    font-size: .48rem;
}
.pf-heading h3, .pf-workspace-title h4 { margin: 0; color: var(--text); font-size: 1.08rem; }
.pf-heading p, .pf-workspace-title p { margin: .3rem 0 0; color: var(--text-3); font-size: .69rem; line-height: 1.5; }
.pf-primary, .pf-secondary, .pf-danger, .pf-back {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 14px;
    border: 0;
    border-radius: 12px;
    font: inherit;
    font-size: .68rem;
    font-weight: 800;
    cursor: pointer;
}
.pf-primary { color: var(--bg); background: var(--text); }
.pf-secondary, .pf-back { color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border); }
.pf-danger { color: #c73c4b; background: rgba(220, 38, 38, .08); }
.pf-primary svg, .pf-secondary svg, .pf-danger svg, .pf-back svg { width: 15px; height: 15px; }
.pf-folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: .75rem;
    margin-top: 1.25rem;
}
.pf-folder-card {
    min-width: 0;
    padding: 1rem;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: .8rem;
    border: 1px solid var(--border);
    border-radius: 17px;
    background: color-mix(in srgb, var(--surface-2) 72%, transparent);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.pf-folder-card:hover { transform: translateY(-2px); border-color: rgba(255, 159, 71, .33); box-shadow: 0 10px 25px rgba(17, 26, 43, .07); }
.pf-folder-icon {
    width: 39px;
    height: 39px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: var(--accent-hover);
    background: var(--accent-subtle);
}
.pf-folder-icon svg { width: 18px; height: 18px; }
.pf-folder-copy { min-width: 0; }
.pf-folder-copy strong { display: block; overflow: hidden; color: var(--text); font-size: .76rem; text-overflow: ellipsis; white-space: nowrap; }
.pf-folder-copy span { display: block; margin-top: .3rem; color: var(--text-3); font-size: .59rem; }
.pf-folder-open { grid-column: 1 / -1; width: 100%; margin-top: .15rem; }
.pf-empty {
    grid-column: 1 / -1;
    padding: 2rem 1rem;
    border: 1px dashed var(--border-strong);
    border-radius: 17px;
    color: var(--text-3);
    text-align: center;
    font-size: .7rem;
}
.pf-workspace { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.pf-workspace[hidden], .pf-overview[hidden] { display: none !important; }
.pf-workspace-title { min-width: 0; flex: 1; }
.pf-workspace-actions { display: flex; gap: .45rem; }
.pf-drop {
    min-height: 115px;
    margin: 1rem 0;
    padding: 1.1rem;
    display: grid;
    place-items: center;
    border: 1.5px dashed var(--border-strong);
    border-radius: 16px;
    background: var(--surface-2);
    color: var(--text-3);
    text-align: center;
    cursor: pointer;
}
.pf-drop.dragover { border-color: var(--accent); background: var(--accent-subtle); }
.pf-drop svg { width: 25px; height: 25px; margin-bottom: .45rem; color: var(--accent-hover); }
.pf-drop strong { display: block; color: var(--text); font-size: .72rem; }
.pf-drop span { display: block; margin-top: .25rem; font-size: .59rem; }
.pf-file-input { display: none; }
.pf-file-list { display: grid; gap: .5rem; }
.pf-file-row {
    min-width: 0;
    padding: .72rem;
    display: flex;
    align-items: center;
    gap: .65rem;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface);
}
.pf-file-mark { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 10px; color: var(--accent-hover); background: var(--accent-subtle); }
.pf-file-mark svg { width: 16px; height: 16px; }
.pf-file-copy { min-width: 0; flex: 1; }
.pf-file-copy strong { display: block; overflow: hidden; color: var(--text); font-size: .69rem; text-overflow: ellipsis; white-space: nowrap; }
.pf-file-copy span { display: block; margin-top: .2rem; color: var(--text-3); font-size: .56rem; }
.pf-file-actions { display: flex; gap: .35rem; }
.pf-icon-button { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 10px; color: var(--text-2); background: var(--surface-2); cursor: pointer; }
.pf-icon-button.danger { color: #d24a58; }
.pf-icon-button svg { width: 14px; height: 14px; }
.pf-modal-backdrop {
    position: fixed;
    z-index: 10020;
    inset: 0;
    padding: 20px;
    display: grid;
    place-items: center;
    background: rgba(7, 9, 13, .62);
    backdrop-filter: blur(12px);
}
.pf-modal {
    width: min(100%, 390px);
    padding: 1.35rem;
    border: 1px solid var(--border);
    border-radius: 22px;
    color: var(--text);
    background: var(--surface);
    box-shadow: 0 24px 80px rgba(0, 0, 0, .3);
}
.pf-modal-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.pf-modal h3 { margin: 0; font-size: 1.05rem; }
.pf-modal p { margin: .45rem 0 1rem; color: var(--text-3); font-size: .68rem; line-height: 1.55; }
.pf-modal-close { width: 34px; height: 34px; border: 0; border-radius: 10px; color: var(--text-2); background: var(--surface-2); cursor: pointer; }
.pf-form-label { display: block; margin: .75rem 0 .35rem; color: var(--text-2); font-size: .63rem; font-weight: 700; }
.pf-form-input { width: 100%; min-height: 47px; padding: 0 .85rem; border: 1px solid var(--border-strong); border-radius: 13px; outline: 0; color: var(--text); background: var(--surface-2); font: inherit; font-size: .78rem; }
.pf-form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle); }
.pf-modal-message { min-height: 18px; margin-top: .6rem; color: #d24a58; font-size: .62rem; }
.pf-modal-submit { width: 100%; margin-top: .45rem; }
body.dark-mode .private-folders-feature { background: radial-gradient(circle at 100% 0, rgba(255, 174, 93, .12), transparent 30%), var(--surface); }
@media (max-width: 700px) {
    .private-folders-feature { padding: 1.1rem; border-radius: 21px; }
    .pf-header { align-items: flex-start; }
    .pf-heading p { max-width: 210px; }
    .private-folders-feature:not(.expanded) .pf-heading p { display: none; }
    .private-folders-feature:not(.expanded) .pf-heading-icon { width: 39px; height: 39px; border-radius: 12px; }
    .pf-primary { padding: 0 11px; }
    .pf-primary .pf-button-label { display: none; }
    .pf-folder-grid { display: flex; overflow-x: auto; padding-bottom: .3rem; scroll-snap-type: x proximity; }
    .pf-folder-card { min-width: min(78vw, 260px); scroll-snap-align: start; }
    .pf-workspace-top { align-items: flex-start; flex-wrap: wrap; }
    .pf-workspace-actions { width: 100%; }
    .pf-workspace-actions button { flex: 1; }
    .pf-file-row { padding: .65rem; }
}