:root {
  --bg: #0b0c0f;
  --panel: #171a20;
  --panel-2: #20242c;
  --line: rgba(255,255,255,.10);
  --line-2: rgba(255,255,255,.16);
  --text: #f5f7fb;
  --muted: #aeb8c8;
  --accent: #d9e7bd;
  --accent-2: #b9d7ff;
  --danger: #ff6b6b;
  --warning: #ffd166;
  --shadow: 0 24px 80px rgba(0,0,0,.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 18% 0%, rgba(217,231,189,.16), transparent 24%),
    radial-gradient(circle at 88% 6%, rgba(185,215,255,.10), transparent 26%),
    var(--bg);
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
label { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }

input[type="text"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="decimal"],
input:not([type]),
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.045);
  color: var(--text);
  border-radius: 16px;
  padding: 12px 14px;
  outline: none;
}
textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.45;
}
input:focus, textarea:focus {
  border-color: rgba(217,231,189,.7);
  box-shadow: 0 0 0 4px rgba(217,231,189,.08);
}

.mobile-top {
  display: none;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  width: min(440px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(23,26,32,.84);
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 18px 0 8px; font-size: 38px; letter-spacing: -.04em; }
.login-card label + label { margin-top: 14px; }
.login-note { margin-top: 16px; color: var(--muted); font-size: 13px; }

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #111;
  font-weight: 950;
}

.btn, .mini {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 15px;
  min-height: 42px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: .18s ease;
  white-space: nowrap;
}
.btn:hover, .mini:hover, .icon-action:hover {
  transform: translateY(-1px);
  border-color: rgba(217,231,189,.5);
}
.btn.primary {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
  font-weight: 850;
}
.btn.ghost { background: transparent; }
.btn.full { width: 100%; }
.btn.compact { min-width: 44px; padding-inline: 12px; }
.btn.danger, .mini.danger { color: var(--danger); border-color: rgba(255,107,107,.35); }
.btn.danger:hover, .mini.danger:hover { background: var(--danger); color: #fff; }
.mini { padding: 7px 11px; min-height: 34px; font-size: 12px; }

.icon-btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 14px;
  width: 44px;
  height: 44px;
  cursor: pointer;
}
.icon-action {
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  line-height: 1;
  transition: .18s ease;
}
.icon-action.danger {
  color: #ffd5d5;
  border-color: rgba(255,107,107,.32);
}
.icon-action.danger:hover {
  background: rgba(255,107,107,.18);
  border-color: rgba(255,107,107,.72);
}

.alert {
  border-radius: 18px;
  padding: 12px 14px;
  margin: 0 0 16px;
}
.alert.danger {
  background: rgba(255,107,107,.12);
  border: 1px solid rgba(255,107,107,.35);
  color: #ffd2d2;
}

.app-shell {
  width: min(1540px, calc(100% - 28px));
  min-height: calc(100vh - 28px);
  margin: 14px auto;
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(16,17,20,.84);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
  padding: 22px;
  background: rgba(18,20,25,.88);
  border-right: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-title { font-weight: 900; font-size: 18px; }
.brand-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

.side-nav { display: grid; gap: 8px; }
.nav-link {
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-link.active, .nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,.06);
  border-color: var(--line);
}

.side-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
}
.side-card-title {
  color: var(--muted);
  font-size: 14px;
}
.storage-big {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -.03em;
}
.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}
.upload-card input[type="file"] {
  width: 100%;
  border: 1px dashed rgba(255,255,255,.18);
  border-radius: 16px;
  padding: 12px;
  color: var(--muted);
  background: rgba(255,255,255,.035);
}
.sidebar-bottom { margin-top: auto; }
.muted { color: var(--muted); }
.tiny { font-size: 12px; }

.tree-card {
  overflow: auto;
  max-height: 38vh;
}
.folder-tree-list {
  list-style: none;
  padding-left: 12px;
  margin: 4px 0 0;
  display: grid;
  gap: 4px;
}
.tree-link {
  min-width: 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 6px;
  align-items: center;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.tree-link span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree-link.active, .tree-link:hover {
  color: var(--text);
  background: rgba(217,231,189,.09);
  border-color: rgba(217,231,189,.14);
}
.tree-dot { opacity: .7; }

.main {
  min-width: 0;
  overflow: auto;
  padding: 26px;
}
.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.title-block { min-width: 0; }
.topbar h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: .95;
  letter-spacing: -.05em;
}
.breadcrumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  margin-top: 12px;
}
.breadcrumbs a {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.breadcrumbs a:hover { color: var(--accent); }
.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.search { min-width: min(390px, 100%); }

.drop-zone {
  margin: 12px 0 18px;
  padding: 18px;
  border: 1px dashed rgba(217,231,189,.32);
  border-radius: 22px;
  color: var(--muted);
  background: rgba(217,231,189,.035);
  text-align: center;
  transition: .18s ease;
}
.drop-zone.dragover {
  background: rgba(217,231,189,.13);
  border-color: var(--accent);
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
  align-items: stretch;
}
.item-card {
  min-width: 0;
  height: 272px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.035));
  overflow: hidden;
  display: grid;
  grid-template-rows: 1fr auto;
  transition: .18s ease;
}
.item-card:hover {
  transform: translateY(-3px);
  border-color: rgba(217,231,189,.35);
  box-shadow: 0 14px 34px rgba(0,0,0,.24);
}
.item-main {
  min-width: 0;
  display: grid;
  gap: 9px;
  padding: 14px 14px 8px;
  overflow: hidden;
}
.thumb {
  height: 124px;
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(217,231,189,.10), rgba(185,215,255,.08)),
    rgba(255,255,255,.055);
  display: grid;
  place-items: center;
  position: relative;
}
.file-thumb img,
.file-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.file-thumb.pdf {
  background: linear-gradient(135deg, rgba(255,107,107,.16), rgba(255,255,255,.05));
}
.file-thumb.text {
  background: linear-gradient(135deg, rgba(185,215,255,.16), rgba(255,255,255,.05));
}
.big-file-icon {
  font-weight: 950;
  letter-spacing: -.04em;
  color: rgba(255,255,255,.85);
  font-size: 24px;
}
.play-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,.58);
  border: 1px solid rgba(255,255,255,.16);
  color: #fff;
}

.folder-thumb {
  background: linear-gradient(135deg, rgba(217,231,189,.12), rgba(255,255,255,.04));
}
.folder-art {
  width: 92px;
  height: 74px;
  position: relative;
  transform: translateY(4px);
}
.folder-art span { position: absolute; display: block; }
.paper {
  width: 42px;
  height: 52px;
  top: 2px;
  border-radius: 7px;
  background: linear-gradient(180deg, #f4f6ff, #cdd8ef);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
}
.paper.p1 { left: 16px; transform: rotate(-13deg); }
.paper.p2 { left: 29px; transform: rotate(2deg); background: linear-gradient(180deg, #f5ffe1, #d3e6a9); }
.paper.p3 { left: 43px; transform: rotate(14deg); background: linear-gradient(180deg, #fff2d8, #e9c07c); }
.folder-back {
  left: 4px;
  bottom: 7px;
  width: 84px;
  height: 46px;
  background: #e8bf62;
  border-radius: 13px 13px 10px 10px;
}
.folder-back::before {
  content: "";
  position: absolute;
  left: 0;
  top: -12px;
  width: 40px;
  height: 18px;
  border-radius: 10px 10px 0 0;
  background: #f0cd79;
}
.folder-front {
  left: 0;
  bottom: 0;
  width: 92px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffd978, #dca845);
  box-shadow: 0 18px 34px rgba(0,0,0,.20);
}

.item-name {
  min-width: 0;
  font-weight: 850;
  line-height: 1.18;
  word-break: break-word;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.item-meta,
.item-date {
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.item-actions {
  min-width: 0;
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  padding: 0 12px 12px;
}
.item-actions form { margin: 0; }

.empty-state {
  min-height: 320px;
  display: grid;
  place-content: center;
  text-align: center;
  color: var(--muted);
}
.empty-state h2 { margin: 8px 0 0; color: var(--text); }
.empty-icon { font-size: 54px; }
.empty-state.compact { min-height: 260px; }

.dialog {
  border: 1px solid var(--line);
  border-radius: 24px;
  color: var(--text);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 0;
}
.dialog::backdrop { background: rgba(0,0,0,.64); }
.dialog form {
  width: min(420px, calc(100vw - 30px));
  padding: 22px;
  display: grid;
  gap: 14px;
}
.dialog h3 { margin: 0; }
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.preview-shell {
  width: min(1300px, calc(100% - 28px));
  margin: 14px auto;
}
.page-shell {
  min-height: calc(100vh - 28px);
}
.preview-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.preview-top h1 {
  margin: 6px 0 0;
  font-size: clamp(24px, 4vw, 42px);
  word-break: break-word;
  letter-spacing: -.04em;
}
.back-link { color: var(--muted); }
.back-link:hover { color: var(--accent); }
.preview-card {
  min-height: calc(100vh - 130px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(23,26,32,.82);
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 18px;
}
.preview-image {
  max-width: 100%;
  max-height: calc(100vh - 180px);
  object-fit: contain;
  border-radius: 18px;
}
.preview-media, .preview-frame {
  width: 100%;
  height: calc(100vh - 180px);
  border: 0;
  border-radius: 18px;
  background: #000;
}
.preview-audio { width: min(720px, 100%); }
.text-preview {
  width: 100%;
  height: calc(100vh - 180px);
  overflow: auto;
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: rgba(0,0,0,.3);
  color: #e9edf5;
  white-space: pre-wrap;
  word-break: break-word;
}

.admin-grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
}
.panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,.045);
}
.panel.wide { grid-column: 1 / -1; }
.panel h2 { margin: 0 0 14px; }
.stack-form { display: grid; gap: 14px; }
.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.table {
  display: grid;
  gap: 8px;
  overflow-x: auto;
}
.table-row {
  min-width: 980px;
  display: grid;
  grid-template-columns: 1.2fr .7fr .7fr .8fr .8fr 2.3fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.035);
}
.table-row.head {
  color: var(--muted);
  background: transparent;
  border-color: transparent;
  padding-bottom: 0;
}
.row-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.admin-actions {
  align-items: flex-start;
}
.mini-form {
  display: flex;
  gap: 8px;
  align-items: center;
}
.mini-form input {
  width: 150px;
  padding: 8px 10px;
  border-radius: 12px;
}
.backup-create { margin-bottom: 14px; }
.backup-list { display: grid; gap: 10px; }
.backup-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.035);
}

.notes-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
}
.notes-list {
  display: grid;
  gap: 14px;
}
.note-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 16px;
  background: rgba(255,255,255,.045);
}
.note-card textarea {
  min-height: 170px;
}
.note-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.note-delete {
  position: absolute;
  top: 16px;
  right: 16px;
}
.note-edit {
  padding-right: 50px;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 290px minmax(0, 1fr);
  }
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
  .item-card {
    height: 262px;
  }
}

@media (max-width: 860px) {
  body {
    background:
      radial-gradient(circle at 18% 0%, rgba(217,231,189,.12), transparent 30%),
      var(--bg);
  }
  .mobile-top {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 60px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: rgba(12,13,16,.86);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
  }
  .mobile-brand {
    font-weight: 900;
  }
  .app-shell {
    width: 100%;
    min-height: calc(100vh - 60px);
    margin: 0;
    border: 0;
    border-radius: 0;
    display: block;
    background: transparent;
    box-shadow: none;
  }
  .sidebar {
    position: fixed;
    z-index: 100;
    top: 60px;
    left: 0;
    bottom: 0;
    width: min(340px, 88vw);
    transform: translateX(-105%);
    transition: transform .2s ease;
    border-right: 1px solid var(--line);
    overflow: auto;
  }
  body.sidebar-open .sidebar {
    transform: translateX(0);
  }
  body.sidebar-open::after {
    content: "";
    position: fixed;
    z-index: 90;
    inset: 60px 0 0;
    background: rgba(0,0,0,.56);
  }
  .main {
    padding: 18px 12px 28px;
  }
  .topbar {
    display: grid;
    gap: 14px;
  }
  .top-actions {
    justify-content: stretch;
  }
  .top-actions .search {
    width: 100%;
    min-width: 0;
  }
  .top-actions .btn {
    flex: 1;
  }
  .drop-zone {
    display: none;
  }
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .item-card {
    height: 244px;
    border-radius: 20px;
  }
  .thumb {
    height: 105px;
    border-radius: 15px;
  }
  .item-main {
    padding: 10px 10px 6px;
  }
  .item-actions {
    padding: 0 9px 10px;
    gap: 6px;
  }
  .icon-action {
    width: 36px;
    height: 36px;
    border-radius: 13px;
  }
  .folder-art {
    transform: scale(.82) translateY(4px);
  }

  .preview-shell {
    width: 100%;
    margin: 0;
    padding: 16px 12px 28px;
  }
  .preview-top {
    display: grid;
  }
  .preview-card {
    min-height: calc(100vh - 190px);
    border-radius: 22px;
  }
  .preview-media, .preview-frame, .text-preview {
    height: calc(100vh - 230px);
  }
  .admin-grid,
  .notes-layout {
    grid-template-columns: 1fr;
  }
  .table-row {
    min-width: 920px;
  }
}

@media (max-width: 520px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .item-card {
    height: auto;
    min-height: 136px;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto;
  }
  .item-main {
    grid-template-columns: 92px minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    align-items: center;
    column-gap: 12px;
  }
  .thumb {
    grid-row: 1 / 4;
    height: 92px;
    width: 92px;
  }
  .item-actions {
    align-content: center;
    justify-content: flex-end;
    padding: 10px;
    max-width: 96px;
  }
  .item-name {
    -webkit-line-clamp: 2;
  }
  .topbar h1 {
    font-size: 36px;
  }
  .login-card {
    padding: 22px;
    border-radius: 24px;
  }
  .backup-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* v3 fixes: tighter cards, real sidebar tree priority, full thumbnails, bulk selection */
.sidebar { gap: 14px; }
.priority-tree {
  order: 0;
  max-height: 52vh;
  min-height: 170px;
}
.storage-card { order: 2; }

.grid {
  grid-template-columns: repeat(auto-fill, minmax(176px, 1fr));
  gap: 14px;
}
.item-card {
  position: relative;
  height: 236px;
  border-radius: 22px;
}
.item-main {
  gap: 7px;
  padding: 12px 12px 7px;
}
.thumb {
  height: 104px;
  border-radius: 16px;
}
.file-thumb img,
.file-thumb video {
  object-fit: contain;
  background: rgba(0,0,0,.18);
}
.item-actions {
  padding: 0 10px 10px;
  gap: 6px;
}
.icon-action {
  width: 35px;
  height: 35px;
  border-radius: 13px;
}
.item-name { font-size: 15px; }
.item-meta, .item-date { font-size: 11px; }

.folder-art.has-previews {
  width: 104px;
  height: 78px;
}
.folder-paper {
  position: absolute;
  display: block;
  width: 45px;
  height: 54px;
  top: 0;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,.76);
  background: linear-gradient(180deg, #f4f6ff, #cdd8ef);
  box-shadow: 0 10px 22px rgba(0,0,0,.22);
  overflow: hidden;
}
.folder-paper.fp1 { left: 18px; transform: rotate(-14deg); }
.folder-paper.fp2 { left: 34px; transform: rotate(2deg); }
.folder-paper.fp3 { left: 50px; transform: rotate(14deg); }
.generic-paper::before {
  content: "";
  position: absolute;
  inset: 10px 8px;
  border-radius: 5px;
  background: rgba(255,255,255,.42);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.upload-main-form {
  display: grid;
  gap: 10px;
  place-items: center;
  cursor: default;
}
.drop-zone-title { font-weight: 750; color: var(--text); }
.drop-zone-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn:disabled,
.icon-action:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none !important;
}
.btn.small {
  min-height: 34px;
  padding: 7px 12px;
  font-size: 12px;
}
.bulk-form { display: inline-flex; }
.selection-bar {
  margin: -4px 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(217,231,189,.16);
  border-radius: 18px;
  background: rgba(217,231,189,.06);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.select-check {
  position: absolute;
  z-index: 3;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--text);
}
.select-check input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.select-check span {
  width: 24px;
  height: 24px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.30);
  background: rgba(0,0,0,.42);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px rgba(0,0,0,.26);
}
.select-check span::after {
  content: "✓";
  font-size: 15px;
  font-weight: 900;
  opacity: 0;
  transform: scale(.65);
  transition: .14s ease;
}
.select-check input:checked + span {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
}
.select-check input:checked + span::after {
  opacity: 1;
  transform: scale(1);
}
.item-card.selected {
  border-color: rgba(217,231,189,.65);
  box-shadow: 0 0 0 3px rgba(217,231,189,.08), 0 14px 34px rgba(0,0,0,.25);
}

@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .item-card { height: 224px; }
  .thumb { height: 94px; }
}

@media (max-width: 860px) {
  .drop-zone.upload-main-form { display: grid; }
  .priority-tree { max-height: 45vh; min-height: 180px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .item-card { height: 224px; }
  .thumb { height: 92px; }
  .top-actions { display: grid; grid-template-columns: 1fr; }
  .top-actions .btn, .bulk-form, .bulk-form .btn { width: 100%; }
  .selection-bar { margin-top: 0; }
}

@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
  .item-card {
    height: auto;
    min-height: 128px;
    grid-template-columns: 1fr 92px;
    grid-template-rows: auto;
  }
  .item-main {
    grid-template-columns: 86px minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    align-items: center;
    column-gap: 11px;
  }
  .thumb {
    grid-row: 1 / 4;
    height: 86px;
    width: 86px;
  }
  .item-actions {
    align-content: center;
    justify-content: flex-end;
    padding: 10px;
    max-width: 92px;
  }
  .select-check { top: 8px; left: 8px; right: auto; }
  .folder-art, .folder-art.has-previews { transform: scale(.78) translateY(2px); }
  .drop-zone-actions { width: 100%; }
  .drop-zone-actions .btn { flex: 1; }
}


/* v4: tighter titles, ellipsis menu, bulk delete */
.grid {
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 12px;
}
.item-card {
  position: relative;
  height: 214px;
  border-radius: 20px;
  overflow: hidden;
}
.item-main {
  gap: 6px;
  padding: 10px 10px 10px;
}
.thumb {
  height: 92px;
  border-radius: 15px;
}
.item-name {
  font-size: 14px;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.item-meta,
.item-date {
  font-size: 11px;
}
.select-check {
  left: 8px;
  top: 8px;
  right: auto;
}
.card-menu {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 5;
}
.card-menu summary {
  list-style: none;
}
.card-menu summary::-webkit-details-marker {
  display: none;
}
.menu-toggle {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.20);
  background: rgba(0,0,0,.42);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 19px;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(0,0,0,.24);
}
.menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 156px;
  display: grid;
  gap: 6px;
  padding: 8px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(20,22,27,.96);
  box-shadow: 0 18px 40px rgba(0,0,0,.30);
  backdrop-filter: blur(18px);
}
.menu-form { margin: 0; }
.menu-action {
  width: 100%;
  min-height: 36px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font: inherit;
  text-align: left;
}
.menu-action:hover {
  border-color: rgba(217,231,189,.36);
  background: rgba(217,231,189,.08);
}
.menu-action.danger {
  color: #ffb3b3;
  border-color: rgba(255,107,107,.20);
}
.menu-action.danger:hover {
  background: rgba(255,107,107,.12);
  border-color: rgba(255,107,107,.36);
}
.selection-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.selection-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(152px, 1fr)); }
  .item-card { height: 204px; }
  .thumb { height: 84px; }
}
@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .item-card { height: 206px; }
  .thumb { height: 84px; }
  .selection-actions,
  .selection-actions .bulk-form,
  .selection-actions .bulk-form .btn { width: 100%; }
}
@media (max-width: 520px) {
  .item-card {
    min-height: 116px;
    height: auto;
    grid-template-columns: 1fr;
  }
  .item-main {
    grid-template-columns: 78px minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    align-items: center;
    column-gap: 10px;
    padding: 10px;
  }
  .thumb {
    grid-row: 1 / 4;
    width: 78px;
    height: 78px;
  }
  .item-name { max-width: calc(100vw - 170px); }
  .menu-panel {
    right: 0;
    min-width: 146px;
  }
}


/* v5: cleaner cards, FrolFiles branding, full thumbnails, simple folder icon */
.brand-title, .mobile-brand { letter-spacing: -.02em; }
.item-card {
  height: 198px;
  overflow: visible;
  border-radius: 18px;
}
.item-card:hover {
  z-index: 3;
}
.item-main {
  gap: 5px;
  padding: 9px 9px 10px;
}
.thumb {
  height: 104px;
  border-radius: 14px;
  background: rgba(14,16,20,.92);
}
.file-thumb {
  padding: 4px;
}
.file-thumb img,
.file-thumb video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 11px;
  background: rgba(14,16,20,.92);
}
.play-badge {
  width: 34px;
  height: 34px;
  left: 10px;
  bottom: 10px;
}
.item-name {
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.item-meta, .item-date {
  font-size: 10.5px;
}
.select-check {
  top: 7px;
  left: 7px;
  width: 28px;
  height: 28px;
}
.select-check span {
  width: 22px;
  height: 22px;
  border-radius: 9px;
}
.card-menu {
  top: 7px;
  right: 7px;
}
.menu-toggle {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-size: 18px;
}
.menu-panel {
  top: calc(100% + 6px);
  right: 0;
  min-width: 150px;
  gap: 5px;
  padding: 7px;
  border-radius: 14px;
}
.menu-action {
  min-height: 34px;
  border-radius: 11px;
  padding: 7px 9px;
}
.folder-thumb {
  background: transparent;
  border: 0;
  padding: 0;
  display: grid;
  place-items: center;
}
.folder-icon-plain {
  position: relative;
  width: 86px;
  height: 62px;
}
.folder-icon-plain .folder-tab {
  position: absolute;
  top: 6px;
  left: 14px;
  width: 32px;
  height: 14px;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(180deg, #ffd978, #e6be5f);
  box-shadow: 0 6px 16px rgba(0,0,0,.18);
}
.folder-icon-plain .folder-body {
  position: absolute;
  left: 8px;
  bottom: 6px;
  width: 70px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffd978, #dca845);
  box-shadow: 0 12px 28px rgba(0,0,0,.22);
}
.folder-art, .folder-paper, .paper, .folder-back, .folder-front { display: none !important; }
@media (max-width: 1100px) {
  .item-card { height: 192px; }
  .thumb { height: 98px; }
}
@media (max-width: 860px) {
  .item-card { height: 194px; }
  .thumb { height: 98px; }
}
@media (max-width: 520px) {
  .item-card {
    min-height: 112px;
    height: auto;
  }
  .item-main {
    grid-template-columns: 76px minmax(0, 1fr);
    column-gap: 9px;
  }
  .thumb {
    width: 76px;
    height: 76px;
  }
  .file-thumb { padding: 3px; }
  .folder-icon-plain { transform: scale(.88); }
  .item-name { max-width: calc(100vw - 168px); }
}


/* v6: view switch, list mode, select all, move selected */
.view-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  gap: 4px;
}
.view-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}
.view-btn.active {
  background: rgba(217,231,189,.16);
  color: var(--text);
}
.bulk-move-form {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.bulk-move-form select {
  min-width: 220px;
  max-width: 280px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
  border-radius: 999px;
  padding: 9px 14px;
  outline: none;
}
.items-grid.view-list {
  grid-template-columns: 1fr;
  gap: 10px;
}
.items-grid.view-list .item-card {
  height: auto;
  min-height: 96px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.items-grid.view-list .item-main {
  grid-template-columns: 78px minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  align-items: center;
  column-gap: 12px;
  padding: 10px 14px 10px 14px;
}
.items-grid.view-list .thumb {
  grid-row: 1 / 4;
  width: 78px;
  height: 78px;
}
.items-grid.view-list .item-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.items-grid.view-list .card-menu {
  top: 10px;
  right: 10px;
}
.items-grid.view-list .select-check {
  top: 10px;
  left: 10px;
}
.items-grid.view-list .folder-icon-plain {
  transform: scale(.95);
}
.items-grid.view-list .item-meta,
.items-grid.view-list .item-date {
  white-space: nowrap;
}
@media (max-width: 980px) {
  .top-actions { gap: 8px; }
  .bulk-move-form select { min-width: 190px; max-width: 100%; }
}
@media (max-width: 860px) {
  .top-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .top-actions .search {
    grid-column: 1 / -1;
  }
  .view-switch {
    width: 100%;
    justify-content: center;
  }
  .selection-actions,
  .selection-actions .bulk-form,
  .selection-actions .bulk-form .btn,
  .selection-actions .bulk-move-form {
    width: 100%;
  }
  .bulk-move-form {
    display: grid;
    grid-template-columns: 1fr;
  }
  .bulk-move-form select {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 16px;
  }
}
@media (max-width: 520px) {
  .top-actions {
    grid-template-columns: 1fr;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 70px minmax(0, 1fr);
    column-gap: 10px;
  }
  .items-grid.view-list .thumb {
    width: 70px;
    height: 70px;
  }
}


/* v7: larger previews, better list rows, 2 cards on phones, unlimited upload by default */
.items-grid.view-grid {
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.items-grid.view-grid .item-card {
  height: 290px;
  border-radius: 22px;
}
.items-grid.view-grid .item-main {
  gap: 8px;
  padding: 12px 12px 12px;
}
.items-grid.view-grid .thumb {
  height: 170px;
  border-radius: 16px;
  background: rgba(14,16,20,.96);
}
.items-grid.view-grid .file-thumb {
  padding: 6px;
}
.items-grid.view-grid .file-thumb img,
.items-grid.view-grid .file-thumb video {
  object-fit: contain;
  border-radius: 12px;
}
.items-grid.view-grid .folder-icon-plain {
  transform: scale(1.1);
}
.items-grid.view-grid .item-name {
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.items-grid.view-grid .item-meta,
.items-grid.view-grid .item-date {
  font-size: 12px;
}

.items-grid.view-list {
  grid-template-columns: 1fr;
  gap: 12px;
}
.items-grid.view-list .item-card {
  min-height: 120px;
  height: auto;
  border-radius: 22px;
}
.items-grid.view-list .item-main {
  display: grid;
  grid-template-columns: 118px minmax(280px, 2.2fr) minmax(120px, .8fr) minmax(170px, 1fr);
  grid-template-areas: 'thumb name meta date';
  align-items: center;
  column-gap: 16px;
  row-gap: 8px;
  padding: 14px 18px 14px 18px;
}
.items-grid.view-list .thumb {
  grid-area: thumb;
  width: 118px;
  height: 90px;
  grid-row: auto;
  border-radius: 16px;
}
.items-grid.view-list .item-name {
  grid-area: name;
  font-size: 18px;
  font-weight: 850;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: none;
}
.items-grid.view-list .item-meta {
  grid-area: meta;
  justify-self: start;
  font-size: 14px;
  white-space: nowrap;
}
.items-grid.view-list .item-date {
  grid-area: date;
  justify-self: end;
  font-size: 14px;
  white-space: nowrap;
}
.items-grid.view-list .file-thumb {
  padding: 4px;
}
.items-grid.view-list .file-thumb img,
.items-grid.view-list .file-thumb video {
  object-fit: contain;
}
.items-grid.view-list .folder-icon-plain {
  transform: scale(1.15);
}
.items-grid.view-list .select-check {
  top: 12px;
  left: 12px;
}
.items-grid.view-list .card-menu {
  top: 12px;
  right: 12px;
}

@media (max-width: 1200px) {
  .items-grid.view-grid {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  }
  .items-grid.view-grid .item-card {
    height: 276px;
  }
  .items-grid.view-grid .thumb {
    height: 156px;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 104px minmax(220px, 2fr) minmax(110px, .75fr) minmax(150px, .9fr);
    column-gap: 14px;
  }
  .items-grid.view-list .thumb {
    width: 104px;
    height: 82px;
  }
}
@media (max-width: 860px) {
  .items-grid.view-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .items-grid.view-grid .item-card {
    height: 250px;
  }
  .items-grid.view-grid .thumb {
    height: 138px;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 94px minmax(0, 1fr) auto;
    grid-template-areas:
      'thumb name date'
      'thumb meta date';
    padding: 14px 16px;
  }
  .items-grid.view-list .thumb {
    width: 94px;
    height: 74px;
  }
  .items-grid.view-list .item-name {
    font-size: 17px;
  }
  .items-grid.view-list .item-meta,
  .items-grid.view-list .item-date {
    font-size: 13px;
  }
  .items-grid.view-list .item-date {
    justify-self: end;
    align-self: center;
  }
}
@media (max-width: 520px) {
  .items-grid.view-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .items-grid.view-grid .item-card {
    height: 226px;
    min-height: 0;
  }
  .items-grid.view-grid .item-main {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    padding: 10px;
    gap: 6px;
  }
  .items-grid.view-grid .thumb {
    width: 100%;
    height: 118px;
  }
  .items-grid.view-grid .item-name {
    max-width: 100%;
    font-size: 13px;
  }
  .items-grid.view-grid .item-meta,
  .items-grid.view-grid .item-date {
    font-size: 11px;
  }
  .items-grid.view-list .item-card {
    min-height: 106px;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 84px minmax(0, 1fr);
    grid-template-areas:
      'thumb name'
      'thumb meta'
      'thumb date';
    column-gap: 12px;
    row-gap: 4px;
    padding: 12px 14px;
  }
  .items-grid.view-list .thumb {
    width: 84px;
    height: 84px;
  }
  .items-grid.view-list .item-name {
    font-size: 15px;
  }
  .items-grid.view-list .item-date {
    justify-self: start;
  }
}
@media (max-width: 360px) {
  .items-grid.view-grid {
    grid-template-columns: 1fr;
  }
}


/* v8: upload progress, folder upload, trash page */
.upload-progress {
  width: min(520px, 100%);
  display: grid;
  gap: 6px;
}
.upload-progress[hidden] { display: none; }
.upload-progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
}
.upload-progress-bar span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--accent);
  transition: width .18s ease;
}
.trash-list {
  display: grid;
  gap: 12px;
}
.trash-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.045);
}
.trash-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.06);
  font-weight: 900;
}
.trash-info {
  min-width: 0;
  display: grid;
  gap: 4px;
}
.trash-info strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.trash-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
@media (max-width: 700px) {
  .trash-row {
    grid-template-columns: 52px minmax(0, 1fr);
  }
  .trash-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }
  .trash-actions {
    grid-column: 1 / -1;
    justify-content: stretch;
  }
  .trash-actions form,
  .trash-actions .btn {
    width: 100%;
  }
}


/* v9: исправление обрезки превью — фото/видео всегда целиком */
.items-grid.view-grid {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)) !important;
  gap: 18px !important;
}
.items-grid.view-grid .item-card {
  height: auto !important;
  min-height: 356px !important;
  border-radius: 24px !important;
  overflow: visible !important;
}
.items-grid.view-grid .item-main {
  display: grid !important;
  grid-template-columns: 1fr !important;
  grid-template-rows: auto auto auto auto !important;
  gap: 8px !important;
  padding: 14px !important;
}
.items-grid.view-grid .thumb {
  width: 100% !important;
  height: auto !important;
  aspect-ratio: 1 / 1 !important;
  border-radius: 18px !important;
  background: #0c0e12 !important;
  overflow: hidden !important;
}
.items-grid.view-grid .file-thumb {
  padding: 7px !important;
  display: grid !important;
  place-items: center !important;
}
.items-grid.view-grid .file-thumb img,
.items-grid.view-grid .file-thumb video,
.file-thumb.image img,
.file-thumb.video video {
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  object-position: center center !important;
  border-radius: 14px !important;
  background: #0c0e12 !important;
  display: block !important;
}
.items-grid.view-grid .item-name {
  font-size: 15px !important;
  line-height: 1.2 !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  max-width: 100% !important;
}
.items-grid.view-grid .item-meta,
.items-grid.view-grid .item-date {
  font-size: 12px !important;
}
.items-grid.view-grid .folder-icon-plain {
  transform: scale(1.25) !important;
}

/* Список: крупнее превью и данные растянуты по всей строке */
.items-grid.view-list {
  grid-template-columns: 1fr !important;
  gap: 12px !important;
}
.items-grid.view-list .item-card {
  min-height: 132px !important;
  height: auto !important;
  border-radius: 24px !important;
}
.items-grid.view-list .item-main {
  display: grid !important;
  grid-template-columns: 150px minmax(0, 1fr) minmax(120px, 160px) minmax(160px, 220px) !important;
  grid-template-areas: "thumb name meta date" !important;
  align-items: center !important;
  column-gap: 18px !important;
  padding: 16px 56px 16px 18px !important;
}
.items-grid.view-list .thumb {
  grid-area: thumb !important;
  width: 150px !important;
  height: 106px !important;
  aspect-ratio: auto !important;
  border-radius: 18px !important;
}
.items-grid.view-list .file-thumb {
  padding: 5px !important;
}
.items-grid.view-list .file-thumb img,
.items-grid.view-list .file-thumb video {
  object-fit: contain !important;
  object-position: center center !important;
  background: #0c0e12 !important;
}
.items-grid.view-list .item-name {
  grid-area: name !important;
  font-size: 18px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  max-width: 100% !important;
}
.items-grid.view-list .item-meta {
  grid-area: meta !important;
  justify-self: start !important;
  font-size: 14px !important;
}
.items-grid.view-list .item-date {
  grid-area: date !important;
  justify-self: end !important;
  font-size: 14px !important;
}
.items-grid.view-list .folder-icon-plain {
  transform: scale(1.25) !important;
}

@media (max-width: 1200px) {
  .items-grid.view-grid {
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)) !important;
  }
  .items-grid.view-grid .item-card {
    min-height: 334px !important;
  }
}
@media (max-width: 860px) {
  .items-grid.view-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }
  .items-grid.view-grid .item-card {
    min-height: 292px !important;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 116px minmax(0, 1fr) !important;
    grid-template-areas:
      "thumb name"
      "thumb meta"
      "thumb date" !important;
    row-gap: 5px !important;
    padding: 14px 48px 14px 16px !important;
  }
  .items-grid.view-list .thumb {
    width: 116px !important;
    height: 96px !important;
  }
  .items-grid.view-list .item-date {
    justify-self: start !important;
  }
}
@media (max-width: 520px) {
  .items-grid.view-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .items-grid.view-grid .item-card {
    min-height: 252px !important;
    height: auto !important;
  }
  .items-grid.view-grid .item-main {
    padding: 9px !important;
    gap: 6px !important;
  }
  .items-grid.view-grid .thumb {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 1 / 1 !important;
    border-radius: 15px !important;
  }
  .items-grid.view-grid .file-thumb {
    padding: 5px !important;
  }
  .items-grid.view-grid .item-name {
    font-size: 13px !important;
  }
  .items-grid.view-grid .item-meta,
  .items-grid.view-grid .item-date {
    font-size: 11px !important;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 90px minmax(0, 1fr) !important;
    padding: 12px 44px 12px 14px !important;
  }
  .items-grid.view-list .thumb {
    width: 90px !important;
    height: 90px !important;
  }
  .items-grid.view-list .item-name {
    font-size: 15px !important;
  }
}
@media (max-width: 360px) {
  .items-grid.view-grid {
    grid-template-columns: 1fr !important;
  }
}


/* v10: clean sidebar footer, remove FF avatar, keep FrolFiles branding */
.login-card h1 {
  margin-top: 0;
}
.brand {
  min-height: 48px;
}
.brand.brand-text-only {
  gap: 0;
  align-items: flex-start;
}
.sidebar {
  gap: 14px;
}
.priority-tree {
  max-height: 40vh;
}
.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 14px;
}
.storage-card {
  order: 0 !important;
  margin: 0;
}
.sidebar-bottom {
  order: 0;
  margin-top: 0;
}
.sidebar-bottom .btn {
  min-height: 48px;
}
@media (max-height: 900px) {
  .priority-tree {
    max-height: 34vh;
  }
  .storage-big {
    font-size: 24px;
  }
}
@media (max-width: 980px) {
  .sidebar {
    display: flex;
    flex-direction: column;
  }
  .sidebar-footer {
    margin-top: 18px;
    padding-bottom: 10px;
  }
}


/* v11: final deploy-ready polish */
.app-shell {
  width: min(1580px, calc(100% - 16px));
  min-height: calc(100vh - 16px);
  margin: 8px auto;
  border-radius: 26px;
}
.sidebar {
  position: relative;
  height: calc(100vh - 18px);
  padding: 18px;
  gap: 12px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.brand {
  padding: 8px 2px 6px;
}
.brand-title {
  font-size: 20px;
  line-height: 1.05;
}
.brand-sub {
  font-size: 14px;
}
.side-nav {
  gap: 7px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 17px;
  font-weight: 600;
}
.nav-ico {
  width: 18px;
  display: inline-grid;
  place-items: center;
  opacity: .92;
  font-size: 15px;
}
.side-card {
  padding: 14px;
  gap: 10px;
  border-radius: 20px;
}
.side-card-title {
  font-size: 13px;
  letter-spacing: .01em;
}
.tree-card {
  overflow: hidden;
}
.priority-tree {
  flex: 1 1 auto;
  min-height: 160px;
  max-height: none;
}
.folder-tree-list {
  gap: 4px;
}
.tree-link {
  padding: 10px 12px;
  border-radius: 14px;
}
.inline-form {
  gap: 10px;
}
.inline-form input {
  min-height: 46px;
  border-radius: 16px;
}
.storage-card .storage-big {
  font-size: 30px;
}
.sidebar-footer {
  position: sticky;
  bottom: -18px;
  display: grid;
  gap: 12px;
  margin-top: auto;
  padding-top: 10px;
  padding-bottom: 4px;
  background: linear-gradient(180deg, rgba(18,20,25,0) 0%, rgba(18,20,25,.78) 12%, rgba(18,20,25,.96) 28%);
  backdrop-filter: blur(8px);
}
.sidebar-bottom {
  margin: 0;
}
.sidebar-bottom .btn.full {
  min-height: 48px;
}
.main {
  padding: 26px 26px 34px;
}
.topbar {
  align-items: start;
  gap: 18px;
}
.topbar h1 {
  margin-bottom: 10px;
}
.top-actions {
  gap: 10px;
}
.search {
  min-height: 46px;
  border-radius: 18px;
}
.drop-zone {
  padding: 18px 20px;
  min-height: 138px;
  border-radius: 24px;
}
.drop-zone-title {
  font-size: 18px;
}
.selection-bar {
  border-radius: 20px;
  padding: 14px 16px;
}
.selection-actions {
  gap: 10px;
}
.bulk-move-form select {
  min-height: 42px;
}
.items-grid.view-grid {
  gap: 16px !important;
}
.items-grid.view-grid .item-card {
  min-height: 342px !important;
  border-radius: 22px !important;
}
.items-grid.view-grid .item-main {
  padding: 12px !important;
}
.items-grid.view-grid .thumb {
  border-radius: 17px !important;
}
.items-grid.view-grid .item-name {
  font-size: 14px !important;
}
.items-grid.view-list .item-card {
  border-radius: 22px !important;
}
.items-grid.view-list .item-main {
  padding: 16px 56px 16px 16px !important;
}
.card-menu {
  top: 10px !important;
  right: 10px !important;
}
.select-check {
  top: 10px !important;
  left: 10px !important;
}
@media (max-width: 1200px) {
  .sidebar {
    padding: 16px;
  }
  .main {
    padding: 22px 20px 28px;
  }
  .app-shell {
    grid-template-columns: 300px minmax(0, 1fr);
  }
}
@media (max-height: 860px) {
  .sidebar {
    gap: 10px;
  }
  .priority-tree {
    min-height: 130px;
  }
  .storage-card .storage-big {
    font-size: 26px;
  }
}
@media (max-width: 980px) {
  .sidebar {
    height: auto;
    padding: 18px 16px 22px;
  }
  .sidebar-footer {
    position: static;
    background: none;
    backdrop-filter: none;
    padding-top: 0;
    padding-bottom: 0;
  }
}
@media (max-width: 860px) {
  .mobile-brand {
    font-size: 18px;
    letter-spacing: -.02em;
  }
  .main {
    padding: 18px 12px 28px;
  }
  .topbar {
    gap: 14px;
  }
  .drop-zone {
    min-height: 128px;
    padding: 16px 14px;
  }
  .selection-bar {
    padding: 12px;
  }
}
@media (max-width: 520px) {
  .drop-zone {
    min-height: 0;
    border-radius: 20px;
  }
  .topbar h1 {
    font-size: 34px;
  }
  .items-grid.view-grid .item-card {
    min-height: 244px !important;
  }
}


/* v12: lighter tree and cleaner sidebar nav */
.nav-ico { display: none !important; }
.side-nav {
  display: grid;
  gap: 6px;
}
.nav-link {
  display: block;
  padding: 11px 14px;
  border-radius: 15px;
  font-weight: 500;
}
.side-card.tree-card {
  padding: 14px 14px 12px;
}
.tree-root-wrap {
  display: grid;
  gap: 8px;
}
.tree-root-link {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}
.tree-root-link.active,
.tree-root-link:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.14);
}
.folder-tree-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 10px;
  display: grid;
  gap: 2px;
}
.folder-tree-list li {
  margin: 0;
}
.tree-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 5px 8px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
  background: transparent;
  border: 0;
}
.tree-dot {
  width: 10px;
  flex: 0 0 10px;
  font-size: 10px;
  opacity: .65;
}
.tree-link span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree-link.active {
  color: var(--text);
  background: rgba(255,255,255,.06);
}
.tree-link:hover {
  color: var(--text);
  background: rgba(255,255,255,.04);
}
.priority-tree {
  min-height: 0;
}
@media (max-width: 980px) {
  .tree-root-link {
    padding: 10px 11px;
  }
  .folder-tree-list {
    padding-left: 8px;
  }
}


/* v13: compact explorer-like tree without icons */
.side-card.tree-card {
  padding: 12px;
  gap: 8px;
}
.side-card.tree-card .side-card-title {
  margin-bottom: 2px;
}
.tree-root-wrap {
  display: grid;
  gap: 2px;
  min-height: 0;
}
.tree-root-link,
.tree-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 4px 8px;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.2;
  font-weight: 500;
}
.tree-root-link:hover,
.tree-link:hover {
  background: rgba(255,255,255,.04);
  color: var(--text);
}
.tree-root-link.active,
.tree-link.active {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.10);
  color: var(--text);
}
.tree-root-link span:last-child,
.tree-link span:last-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree-dot {
  width: 10px;
  flex: 0 0 10px;
  font-size: 10px;
  opacity: .8;
  line-height: 1;
}
.folder-tree-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  display: grid;
  gap: 2px;
}
.folder-tree-list .folder-tree-list {
  padding-left: 16px;
}
.folder-tree-list li {
  position: relative;
  margin: 0;
}
.folder-tree-list li::before {
  content: "";
  position: absolute;
  left: -9px;
  top: -3px;
  bottom: -3px;
  width: 1px;
  background: rgba(255,255,255,.07);
}
.folder-tree-list > li:last-child::before {
  bottom: 14px;
}
.folder-tree-list li::after {
  content: "";
  position: absolute;
  left: -9px;
  top: 14px;
  width: 9px;
  height: 1px;
  background: rgba(255,255,255,.07);
}
.priority-tree {
  min-height: 0;
}
@media (max-width: 980px) {
  .side-card.tree-card {
    padding: 10px;
  }
  .folder-tree-list {
    padding-left: 14px;
  }
  .folder-tree-list .folder-tree-list {
    padding-left: 14px;
  }
}


/* v14: mobile layout repair */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 860px) {
  html, body {
    overflow-x: hidden;
  }
  body {
    min-height: 100vh;
  }
  .mobile-top {
    display: flex !important;
    position: sticky;
    top: 0;
    min-height: 62px;
    height: auto;
    padding: calc(10px + env(safe-area-inset-top)) 14px 10px;
    box-sizing: border-box;
  }
  .mobile-brand {
    font-size: 18px;
  }
  .app-shell {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: calc(100vh - 62px);
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    overflow: hidden;
  }
  .sidebar {
    top: calc(62px + env(safe-area-inset-top));
    width: min(320px, calc(100vw - 28px));
    max-width: calc(100vw - 28px);
    padding: 16px 14px 18px;
    box-sizing: border-box;
    border-radius: 0 18px 18px 0;
    background: rgba(12,13,16,.98);
    box-shadow: 18px 0 50px rgba(0,0,0,.35);
  }
  body.sidebar-open::after {
    inset: calc(62px + env(safe-area-inset-top)) 0 0;
  }
  .main,
  .topbar,
  .top-actions,
  .drop-zone,
  .selection-bar,
  .items-grid,
  .item-card,
  .side-card {
    box-sizing: border-box;
    max-width: 100%;
  }
  .main {
    display: block !important;
    width: 100%;
    min-width: 0;
    overflow: visible !important;
    padding: 14px 12px calc(24px + env(safe-area-inset-bottom));
  }
  .topbar {
    display: grid !important;
    gap: 12px;
    margin-bottom: 14px;
  }
  .topbar h1 {
    font-size: 34px;
    line-height: .98;
  }
  .breadcrumbs {
    margin-top: 8px;
    font-size: 13px;
  }
  .breadcrumbs a {
    max-width: 140px;
  }
  .top-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-items: stretch;
    justify-content: stretch;
  }
  .top-actions .search {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
  }
  .top-actions .btn,
  .top-actions .view-switch {
    width: 100%;
  }
  .view-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: stretch;
  }
  .view-btn {
    width: 100%;
  }
  .drop-zone {
    display: grid !important;
    gap: 10px;
    margin: 8px 0 14px;
    padding: 14px 12px;
    min-height: 0;
    border-radius: 20px;
  }
  .drop-zone-title {
    font-size: 16px;
  }
  .drop-zone-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 8px;
  }
  .drop-zone-actions .btn:last-child {
    grid-column: 1 / -1;
  }
  .selection-bar {
    display: grid;
    gap: 10px;
    padding: 12px;
    margin-bottom: 12px;
  }
  .selection-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    gap: 8px;
  }
  .selection-actions > *,
  .selection-actions .bulk-form,
  .selection-actions .bulk-form .btn,
  .bulk-move-form {
    width: 100% !important;
  }
  .bulk-move-form {
    display: grid;
    grid-template-columns: 1fr;
  }
  .bulk-move-form select {
    width: 100%;
    max-width: none;
    min-width: 0;
    border-radius: 14px;
    min-height: 40px;
  }
  .items-grid.view-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .items-grid.view-grid .item-card {
    min-height: 218px !important;
    height: auto !important;
    border-radius: 18px !important;
  }
  .items-grid.view-grid .item-main {
    display: grid !important;
    grid-template-columns: 1fr !important;
    grid-template-rows: auto auto auto auto;
    gap: 6px;
    padding: 10px !important;
  }
  .items-grid.view-grid .thumb {
    width: 100% !important;
    height: 122px !important;
    grid-row: auto !important;
    border-radius: 14px !important;
  }
  .items-grid.view-grid .item-name {
    max-width: 100%;
    font-size: 13px !important;
  }
  .items-grid.view-grid .item-meta,
  .items-grid.view-grid .item-date {
    font-size: 11px !important;
  }
  .items-grid.view-list .item-card {
    min-height: 108px;
    border-radius: 18px !important;
  }
  .items-grid.view-list .item-main {
    grid-template-columns: 86px minmax(0, 1fr) !important;
    grid-template-areas:
      'thumb name'
      'thumb meta'
      'thumb date' !important;
    column-gap: 12px;
    row-gap: 4px;
    padding: 12px 14px !important;
  }
  .items-grid.view-list .thumb {
    width: 86px !important;
    height: 86px !important;
  }
  .items-grid.view-list .item-name {
    font-size: 15px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .items-grid.view-list .item-meta,
  .items-grid.view-list .item-date {
    font-size: 12px !important;
    white-space: normal;
  }
  .card-menu {
    top: 7px !important;
    right: 7px !important;
  }
  .select-check {
    top: 7px !important;
    left: 7px !important;
  }
  .preview-shell {
    padding: 14px 12px 24px;
  }
  .preview-card {
    min-height: 60vh;
  }
  .preview-media,
  .preview-frame,
  .text-preview {
    height: auto;
    min-height: 40vh;
  }
}

@media (max-width: 520px) {
  .main {
    padding: 12px 10px calc(22px + env(safe-area-inset-bottom));
  }
  .topbar h1 {
    font-size: 30px;
  }
  .breadcrumbs {
    display: none;
  }
  .side-card {
    padding: 12px;
  }
  .inline-form {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
  }
  .inline-form input {
    min-width: 0;
  }
  .items-grid.view-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .items-grid.view-grid .item-card {
    min-height: 206px !important;
  }
  .items-grid.view-grid .thumb {
    height: 114px !important;
  }
  .items-grid.view-grid .item-name {
    font-size: 12px !important;
  }
  .items-grid.view-grid .item-meta,
  .items-grid.view-grid .item-date {
    font-size: 10.5px !important;
  }
  .drop-zone-actions {
    grid-template-columns: 1fr;
  }
  .drop-zone-actions .btn:last-child {
    grid-column: auto;
  }
}