:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  background: #101419;
  color: #F4F6F7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --app-bg: #101419;
  --sidebar: #13191E;
  --surface: #1B2229;
  --surface-raised: #20282f;
  --surface-hover: #27313a;
  --line: #303B43;
  --text: #F4F6F7;
  --muted: #A4AFB9;
  --subtle: #77838d;
  --accent: var(--accent-soft);
  --accent-ink: var(--surface-raised);
  --sidebar-width: 232px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--app-bg); color: var(--text); }
button, input, select { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar-width) minmax(0,1fr); }
.auth-screen { min-height: 100vh; display: grid; grid-template-columns: minmax(320px,1fr) minmax(420px,1fr); background: #090b0d; }
.auth-visual { min-height: 100vh; position: relative; display: grid; place-items: center; overflow: hidden; border-right: 1px solid #22292a; background: radial-gradient(ellipse at 50% 55%,var(--surface-accent) 0,var(--surface-raised) 32%,#0c1010 72%); }
.auth-visual::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(var(--accent-tint) 1px,transparent 1px),linear-gradient(90deg,var(--accent-tint) 1px,transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(transparent,#000 30%,#000 76%,transparent); }
.auth-brand { position: absolute; top: 32px; left: 34px; z-index: 2; }
.visual-orbit { position: absolute; width: min(55vw,520px); aspect-ratio: 1; border: 1px solid var(--accent-tint); border-radius: 50%; }
.orbit-one { transform: rotateX(67deg) rotate(-25deg); box-shadow: 0 0 60px var(--accent-tint); }
.orbit-two { width: min(42vw,390px); transform: rotateX(67deg) rotate(33deg); }
.visual-core { width: 126px; height: 126px; position: relative; display: grid; place-items: center; border: 1px solid var(--accent-tint); border-radius: 34px; background: linear-gradient(145deg,var(--surface-accent),var(--surface-raised)); box-shadow: 0 0 75px var(--accent-tint),inset 0 0 25px var(--accent-tint); transform: rotate(-8deg); }
.core-glyph { color: var(--accent-soft); font-size: 65px; font-weight: 800; letter-spacing: -.1em; transform: rotate(8deg); text-shadow: 0 0 34px var(--accent-tint); }
.core-ring { position: absolute; inset: -17px; border: 1px solid var(--accent-tint); border-radius: 43px; transform: rotate(24deg); }
.visual-caption { position: absolute; bottom: 35px; left: 36px; display: flex; align-items: center; gap: 9px; color: #718071; font-size: 9px; letter-spacing: .14em; }
.auth-side { display: grid; place-items: center; padding: 44px; }
.auth-card { width: min(410px,100%); }
.auth-kicker { margin-bottom: 14px; color: var(--accent-soft); font-size: 9px; letter-spacing: .2em; font-weight: 750; }
.auth-card h1 { font-size: 32px; }
.auth-copy { margin: 9px 0 28px; color: #87918f; font-size: 12px; line-height: 1.6; }
.auth-check { display: flex; align-items: center; gap: 10px; color: #8d9892; font-size: 11px; }
.auth-check .spinner { width: 16px; height: 16px; }
.auth-form { display: grid; gap: 15px; }
.auth-form label,.user-form label,.permissions-form label { display: grid; gap: 7px; color: #b9c1bd; font-size: 10px; font-weight: 600; }
.auth-form input,.user-form input,.user-form select,.permissions-form textarea { width: 100%; height: 41px; padding: 0 11px; border: 1px solid #2b3334; border-radius: 7px; outline: none; color: #eff3f0; background: #111516; font-size: 11px; font-weight: 400; }
.auth-form input:focus,.user-form input:focus,.user-form select:focus,.permissions-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.auth-submit { min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 0 13px; border: 1px solid var(--accent-soft); border-radius: 7px; color: var(--surface-raised); background: var(--accent-soft); font-size: 10px; font-weight: 750; cursor: pointer; }
.auth-submit:hover { background: var(--accent-hover); }
.auth-submit:disabled { opacity: .65; cursor: wait; }
.field-hint { color: #76817e; font-size: 9px; font-weight: 400; }
.setup-callout { margin: 0; padding: 10px 11px; border: 1px solid var(--line-strong); border-radius: 7px; color: var(--accent-soft); background: var(--surface-raised); font-size: 10px; line-height: 1.5; }
.auth-message { min-height: 18px; margin: 10px 0 0; color: #e39186; font-size: 10px; }
.auth-footnote { display: flex; align-items: center; gap: 8px; margin-top: 34px; padding-top: 15px; border-top: 1px solid #252c2d; color: #6d7875; font-size: 9px; line-height: 1.5; }
.sidebar { height: 100vh; min-height: 600px; position: sticky; top: 0; display: flex; flex-direction: column; padding: 22px 14px 14px; background: var(--sidebar); border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 11px; padding: 0 11px; color: #f3f5f3; text-decoration: none; font-weight: 750; font-size: 18px; letter-spacing: -.04em; }
.brand-light { color: #9da6a4; font-weight: 500; }
.brand-mark { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 9px; color: var(--accent-ink); background: var(--accent); font-weight: 900; font-size: 17px; box-shadow: none; }
.new-button { margin: 33px 4px 24px; height: 44px; display: flex; gap: 9px; align-items: center; justify-content: center; border: 0; border-radius: 11px; color: var(--accent-ink); background: var(--accent); font-weight: 750; }
.new-button span:first-child { font-size: 20px; }
.new-button:disabled { opacity: .82; cursor: not-allowed; }
.planned-chip { padding: 3px 5px; border-radius: 5px; color: var(--surface-accent); background: var(--accent-soft); font-size: 9px; font-weight: 800; }
.nav-list { display: grid; gap: 5px; }
.nav-item { width: 100%; display: flex; align-items: center; gap: 12px; min-height: 42px; padding: 0 12px; border: 0; border-radius: 9px; background: transparent; text-align: left; color: #9aa2a4; font-size: 13px; cursor: pointer; }
.nav-item.active { background: #1B2229; color: #F4F6F7; box-shadow: inset 2px 0 var(--accent); }
.nav-item:not(:disabled):hover { background: var(--surface-hover); color: #e8eeee; }
.nav-icon { width: 19px; text-align: center; color: #7e898a; font-size: 17px; }
.active .nav-icon { color: var(--accent); }
.nav-plan { margin-left: auto; color: #657071; font-size: 9px; }
.nav-item[data-planned] { cursor: not-allowed; opacity: .72; }
.sidebar-bottom { margin-top: auto; }
.storage-card { margin: 18px 4px 16px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #1B2229; }
.storage-heading { display: flex; align-items: center; gap: 7px; color: #cbd2cd; font-size: 11px; font-weight: 650; }
.status-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--accent-soft); box-shadow: 0 0 8px var(--accent-tint); }
.status-dot.pending { background: #c0a35c; box-shadow: 0 0 8px #c0a35c60; }
.status-dot.error { background: #d36d65; box-shadow: 0 0 8px #d36d6560; }
.storage-card p { margin: 9px 0 4px; color: #8d9994; font-size: 11px; }
.storage-path { color: #596562; font: 10px ui-monospace,monospace; }
.profile { display: flex; gap: 10px; align-items: center; padding: 13px 8px 0; border-top: 1px solid var(--line); }
.profile strong,.profile small { display: block; }
.profile strong { font-size: 11px; font-weight: 600; }
.profile small { margin-top: 4px; color: var(--muted); font-size: 9px; }
.avatar { width: 31px; height: 31px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--accent-soft); background: var(--surface-accent); font-size: 10px; font-weight: 700; }
.main-panel { min-width: 0; }
.topbar { height: 74px; display: flex; align-items: center; gap: 14px; padding: 0 clamp(22px,4vw,56px); border-bottom: 1px solid #202628; }
.search-box { width: min(540px,70%); height: 40px; display: flex; align-items: center; gap: 10px; margin-right: auto; padding: 0 12px; border: 1px solid #272e30; border-radius: 9px; color: #9ca6a5; background: #101416; }
.search-box > span { font-size: 22px; line-height: 1; }
.search-box input { width: 100%; min-width: 0; color: #edf1ef; border: 0; outline: 0; background: transparent; font-size: 12px; }
.search-box input::placeholder { color: #747e80; }
kbd { padding: 3px 5px; border: 1px solid #30383a; border-radius: 4px; color: #707a7b; white-space: nowrap; font-size: 9px; }
.icon-button { width: 31px; height: 31px; border: 1px solid #303638; border-radius: 50%; color: #a6afad; background: transparent; cursor: help; }
.top-avatar { width: 29px; height: 29px; }
.logout-button { padding: 7px 10px; border: 1px solid #2c3435; border-radius: 7px; color: #9ca6a3; background: #111516; font-size: 10px; cursor: pointer; }
.logout-button:hover { color: #e0e8e3; border-color: #4a5550; }
.mobile-brand { display: none; align-items: center; gap: 7px; font-size: 15px; font-weight: 750; white-space: nowrap; }
.mobile-brand .brand-mark { width: 25px; height: 25px; }
.content { width: min(1400px,100%); margin: 0 auto; padding: 43px clamp(22px,4vw,56px) 28px; }
.heading-row { display: flex; align-items: end; justify-content: space-between; gap: 15px; }
.eyebrow { margin: 0 0 9px; color: #77817f; font-size: 9px; letter-spacing: .18em; font-weight: 700; }
h1 { margin: 0; font-size: clamp(25px,3vw,34px); letter-spacing: -.045em; font-weight: 620; }
.connection-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--surface-accent); border-radius: 30px; color: #b8c6b9; background: var(--surface-raised); font-size: 10px; }
.breadcrumbs { min-height: 38px; display: flex; align-items: center; gap: 9px; margin: 23px 0 9px; color: #707a7b; font-size: 11px; }
.crumb { padding: 4px 0; border: 0; color: #9ca5a4; background: transparent; cursor: pointer; }
.crumb:hover,.crumb.current { color: #ecf0ee; }
.crumb-separator { color: #4c5557; }
.toolbar { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid #202628; }
.toolbar-left { display: flex; gap: 8px; }
.select-wrap select { min-width: 114px; height: 32px; padding: 0 27px 0 10px; border: 1px solid #293032; border-radius: 7px; color: #b5bdbc; background: #111517; font-size: 10px; cursor: pointer; }
.view-switch { display: flex; gap: 3px; padding: 3px; border: 1px solid #282f31; border-radius: 8px; background: #101315; }
.view-button { width: 29px; height: 26px; border: 0; border-radius: 5px; color: #768181; background: transparent; cursor: pointer; }
.view-button.selected { color: var(--accent-soft); background: var(--surface-accent); }
.results-heading { height: 31px; display: flex; align-items: center; justify-content: space-between; color: #707a7c; font-size: 10px; }
.selected-name { min-width:0; max-width:min(50vw,420px); overflow:hidden; color:var(--text); text-overflow:ellipsis; white-space:nowrap; }
#selection-note { color: var(--muted); }
.file-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(210px,1fr)); gap: 15px; }
.file-card { display: block; width: 100%; min-width: 0; overflow: hidden; padding: 0; border: 1px solid var(--line); border-radius: 12px; color: inherit; background: var(--surface); text-align: left; transition: border-color .16s,transform .16s,background .16s; }
.file-open { display: block; width: 100%; padding: 0; border: 0; color: inherit; background: transparent; text-align: left; }
.file-actions { display: flex; flex-wrap: wrap; gap: 5px; padding: 0 10px 10px; }
.file-action { display: inline-flex; align-items: center; justify-content: center; padding: 5px 8px; border: 1px solid #30393a; border-radius: 7px; color: #bdc8c4; background: #171d1e; font: inherit; font-size: 10px; text-decoration: none; cursor: pointer; }
.file-action:hover { color: var(--accent); border-color: var(--accent); }
.file-list .file-actions { padding: 4px 0; }
.recycle-list { display: grid; gap: 8px; margin-top: 20px; }
.recycle-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; padding: 12px; border: 1px solid #252c2e; border-radius: 9px; }
.index-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 14px 0; }
.share-tools { margin-top: 24px; padding-top: 20px; border-top: 1px solid #252c2e; }
.share-list { display: grid; gap: 8px; margin-top: 15px; }
.share-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 11px; border: 1px solid #252c2e; border-radius: 9px; }
.file-request-tools { margin-top: 24px; padding-top: 20px; border-top: 1px solid #252c2e; }
.file-request-form { grid-template-columns: repeat(3,minmax(130px,1fr)); }
.request-card { max-width: 760px; }
.request-card h1 { margin: 8px 0; }
.request-policy { margin: 18px 0; padding: 11px 13px; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--accent-soft); background: var(--surface-raised); font-size: 11px; line-height: 1.5; }
.request-uploads { display: grid; gap: 9px; margin-top: 16px; }
.request-upload-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px; border: 1px solid #293133; border-radius: 9px; background: #111617; }
.request-upload-row strong { overflow-wrap: anywhere; font-size: 11px; }
.request-upload-row .muted-cell { flex: 1 1 180px; }
.request-upload-row input[type=file] { height: auto; min-height: 42px; padding: 10px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; }
.checkbox-label input { width: auto; }
.shared-screen { min-height: 100vh; padding: clamp(20px,6vw,70px); background: radial-gradient(ellipse at 70% -20%,var(--surface-accent) 0,transparent 46%),#0e1213; }
.shared-card { width: min(900px,100%); margin: 0 auto; padding: clamp(20px,4vw,40px); border: 1px solid #283033; border-radius: 16px; background: #14191a; box-shadow: 0 25px 90px #0005; }
.shared-card h1 { margin: 8px 0; }
.shared-items { display: grid; gap: 8px; margin-top: 18px; }
.shared-item { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 12px; border: 1px solid #252c2e; border-radius: 9px; }
.preview-dialog { width: min(1100px,94vw); max-width: none; max-height: 92vh; padding: 14px; border: 1px solid #354044; border-radius: 14px; color: var(--text); background: #101516; }
.preview-dialog::backdrop { background: #050707dd; backdrop-filter: blur(5px); }
.preview-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 10px; }
.preview-content { display: grid; place-items: center; min-height: 220px; max-height: calc(92vh - 65px); overflow: auto; }
.preview-content img,.preview-content video { display: block; max-width: 100%; max-height: calc(92vh - 90px); object-fit: contain; }
.preview-content iframe { width: 100%; height: calc(92vh - 90px); border: 0; background: white; }
.file-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.file-card.selected-item,.list-row.selected-item { border-color:var(--accent); box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent); }
.file-card,.list-row { cursor:pointer; touch-action:manipulation; }
.file-card:focus-visible,.list-row:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
.file-card.folder { cursor: pointer; }
.file-card:hover { border-color: #465044; background: #181d1c; transform: translateY(-2px); }
.file-card.folder { cursor: pointer; }
.file-preview { width: 100%; height: 132px; display: grid; place-items: center; border-bottom: 1px solid var(--line); background: #20282f; }
.file-thumbnail { width: 100%; height: 100%; object-fit: cover; }
.file-card.folder .file-preview { background: #232d34; }
.file-icon { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid #39464f; border-radius: 16px; color: var(--accent); background: #29343b; font-size: 27px; }
.folder-icon { color: var(--accent-soft); background: #303a3b; }
.file-card-body { width: 100%; display: block; padding: 11px 11px 10px; }
.file-name { display: block; overflow: hidden; margin: 0; color: #e2e7e4; font-size: 11px; font-weight: 570; text-overflow: ellipsis; white-space: nowrap; }
.file-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 7px; color: #747f7f; font-size: 9px; }
.file-list { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.list-header,.list-row { display: grid; grid-template-columns: minmax(220px,1.7fr) minmax(90px,.65fr) minmax(105px,.8fr) minmax(95px,.55fr) minmax(180px,1fr); align-items: center; gap: 12px; padding: 0 15px; }
.list-header { height: 37px; border-bottom: 1px solid #262d2f; color: #737e7f; font-size: 9px; }
.list-row { min-height: 48px; border-bottom: 1px solid #202628; color: #b8c0be; font-size: 10px; }
.list-row:last-child { border-bottom: 0; }
.list-row:hover { background: #171c1d; }
.list-name { min-width: 0; display: flex; align-items: center; gap: 10px; overflow: hidden; }
.list-name button { min-width: 0; overflow: hidden; padding: 0; border: 0; color: #dce2df; background: transparent; text-overflow: ellipsis; white-space: nowrap; text-align: left; cursor: pointer; }
.list-name button:hover { color: var(--accent); }
.list-icon { width: 24px; text-align: center; font-size: 16px; }
.muted-cell { color: #707a7b; }
.loading-state,.empty-state,.error-state { min-height: 240px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; border: 1px dashed var(--line); border-radius: 14px; color: var(--muted); background: #151b20; font-size: 12px; }
.empty-icon,.error-icon { font-size: 28px; color: #78816f; }
.error-state { color: #d0a5a0; border-color: #4a302e; }
.retry-button,.load-more { display: block; margin: 14px auto 0; padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: 7px; color: var(--accent-soft); background: var(--surface-raised); font-size: 10px; cursor: pointer; }
.load-more { min-width: 120px; }
.spinner { width: 20px; height: 20px; border: 2px solid #343d37; border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.footer-note { display: flex; align-items: center; gap: 8px; margin-top: 26px; padding: 13px 0; border-top: 1px solid #202628; color: #66716e; font-size: 9px; }
.settings-card { margin-top: 22px; padding: 20px; border: 1px solid #293132; border-radius: 11px; background: linear-gradient(145deg,#15191a,#101314); }
.settings-card-head { display: flex; align-items: start; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid #272e2f; }
.settings-card-head h2 { margin: 0; font-size: 15px; font-weight: 620; }
.settings-card-head p,.user-settings-summary p { margin: 7px 0 0; color: #77817f; font-size: 10px; line-height: 1.5; }
.settings-mark { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--accent-soft); background: var(--surface-accent); }
.user-form { display: grid; grid-template-columns: minmax(120px,1fr) minmax(150px,1.3fr) minmax(100px,.7fr) minmax(150px,1.2fr) auto; align-items: end; gap: 10px; padding: 18px 0; }
.user-form label { gap: 6px; }
.user-form input,.user-form select { height: 35px; padding: 0 8px; font-size: 10px; }
.user-form .auth-submit { min-height: 35px; white-space: nowrap; }
.settings-message { min-height: 16px; margin: -8px 0 8px; color: #d69b91; font-size: 10px; }
.table-scroll { overflow-x: auto; }
.users-table { width: 100%; border-collapse: collapse; text-align: left; }
.users-table th { height: 34px; border-bottom: 1px solid #2b3233; color: #77817f; font-size: 9px; font-weight: 600; }
.users-table td { height: 43px; border-bottom: 1px solid #232a2b; color: #c2c9c5; font-size: 10px; }
.users-table .role-pill { padding: 4px 7px; border: 1px solid #313a34; border-radius: 20px; color: var(--accent-soft); font-size: 9px; }
.users-table .quiet-button,.quiet-button { padding: 6px 9px; border: 1px solid #31393a; border-radius: 6px; color: #aab3b0; background: #15191a; font-size: 9px; cursor: pointer; }
.permissions-form { display: grid; gap: 10px; margin-top: 15px; padding: 14px; border: 1px solid #303935; border-radius: 8px; background: #101514; }
.permissions-form textarea { height: auto; min-height: 70px; padding: 9px; resize: vertical; font-family: ui-monospace,monospace; font-size: 10px; }
.form-actions { display: flex; gap: 8px; }
.form-actions .auth-submit { min-height: 34px; }
.audit-panel { margin-top: 23px; padding-top: 15px; border-top: 1px solid #272e2f; }
.audit-panel h3 { margin: 0 0 10px; font-size: 11px; font-weight: 620; }
.audit-list { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.audit-list li { display: flex; justify-content: space-between; gap: 12px; color: #9ba5a1; font-size: 9px; }
.audit-list time { color: #687370; white-space: nowrap; }
.user-settings-summary ul { display: flex; flex-wrap: wrap; gap: 7px; margin: 13px 0 0; padding: 0; list-style: none; }
.user-settings-summary li { padding: 6px 9px; border: 1px solid var(--line-strong); border-radius: 20px; color: var(--accent-soft); background: var(--surface-raised); font: 10px ui-monospace,monospace; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  :root { --sidebar-width: 215px; }
  .content { padding-top: 32px; }
  .file-grid { grid-template-columns: repeat(auto-fill,minmax(155px,1fr)); gap: 10px; }
  .file-preview { height: 92px; }
  .list-header,.list-row { grid-template-columns: minmax(170px,1.5fr) minmax(70px,.55fr) minmax(90px,.8fr); }
  .list-header span:last-child,.list-row > :last-child { display: none; }
  .user-form { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 650px) {
  .auth-screen { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .auth-side { min-height: 100vh; padding: 26px; }
  .auth-card h1 { font-size: 28px; }
  .logout-button { padding: 6px 8px; font-size: 9px; }
  .app-shell { display: flex; flex-direction: column; }
  .sidebar { position: static; width: 100%; height: auto; min-height: 0; padding: 10px 12px 8px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar > .brand,.sidebar > .new-button,.sidebar-bottom { display: none; }
  .nav-list { display: flex; gap: 3px; overflow-x: auto; scrollbar-width: none; }
  .nav-list::-webkit-scrollbar { display: none; }
  .nav-item { width: auto; min-width: max-content; min-height: 36px; gap: 6px; padding: 0 9px; font-size: 10px; }
  .nav-icon { width: auto; font-size: 14px; }
  .nav-plan { display: none; }
  .topbar { height: 60px; gap: 9px; padding: 0 15px; }
  .mobile-brand { display: flex; }
  .search-box { width: auto; height: 36px; flex: 1; gap: 6px; padding: 0 8px; }
  .search-box > span { font-size: 18px; }
  .search-box input { font-size: 10px; }
  .search-box kbd,.icon-button,.top-avatar { display: none; }
  .content { padding: 25px 15px 18px; }
  .settings-card { padding: 14px; }
  .user-form { grid-template-columns: 1fr; }
  .file-request-form { grid-template-columns: 1fr; }
  .users-table th,.users-table td { padding-right: 10px; }
  .heading-row { align-items: start; flex-direction: column; gap: 12px; }
  h1 { font-size: 27px; }
  .connection-badge { font-size: 9px; }
  .breadcrumbs { margin: 15px 0 6px; overflow: auto; white-space: nowrap; }
  .toolbar { align-items: center; }
  .toolbar-left { gap: 5px; }
  .select-wrap select { min-width: 0; max-width: 135px; height: 31px; padding-right: 20px; padding-left: 7px; font-size: 9px; }
  .view-switch { gap: 0; }
  .view-button { width: 26px; }
  .file-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .file-preview { height: 82px; }
  .file-card-body { padding: 9px; }
  .file-name { font-size: 10px; }
  .file-meta { font-size: 8px; }
  .list-header,.list-row { grid-template-columns: minmax(145px,1fr) 55px; gap: 7px; padding: 0 9px; }
  .list-header span:nth-child(3),.list-row > :nth-child(3),.list-header span:last-child,.list-row > :last-child { display: none; }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }

/* Graphite product surface */
.auth-screen { background: var(--app-bg); }
.auth-visual { border-right-color: var(--line); background: linear-gradient(145deg,#1a2229,#13191e 58%,#101419); }
.auth-visual::before { opacity: .12; background-image: linear-gradient(#98a5af18 1px,transparent 1px),linear-gradient(90deg,#98a5af18 1px,transparent 1px); }
.visual-orbit { border-color: #82919b22; }
.visual-core { border-color: var(--accent-tint); background: linear-gradient(145deg,#26313a,#192027); box-shadow: 0 0 75px var(--accent-tint),inset 0 0 25px var(--accent-tint); }
.core-glyph { color: var(--accent); text-shadow: 0 0 34px var(--accent-tint); }
.core-ring { border-color: var(--accent-tint); }
.auth-kicker { color: var(--accent); }
.auth-copy { color: var(--muted); }
.auth-form label,.user-form label,.permissions-form label { color: #D3DADE; }
.auth-form input,.user-form input,.user-form select,.permissions-form textarea { border-color: var(--line); color: var(--text); background: #151b20; }
.auth-form input:focus,.user-form input:focus,.user-form select:focus,.permissions-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.field-hint,.auth-footnote { color: var(--muted); }
.setup-callout { border-color: var(--line); color: #CBD4DA; background: #1B2229; }
.auth-footnote { border-top-color: var(--line); }
.new-button { margin: 25px 4px 20px; border: 1px solid var(--accent-soft); border-radius: 9px; background: var(--accent); }
.brand-mark { background: var(--accent); box-shadow: none; }
.nav-item { color: var(--muted); }
.nav-item.active { background: #1B2229; color: var(--text); box-shadow: inset 3px 0 var(--accent); }
.nav-item:disabled { opacity: .48; cursor: not-allowed; }
.nav-item:disabled:hover { color: var(--muted); background: transparent; }
.nav-icon { color: #8996A0; }
.status-dot { background: var(--accent); box-shadow: 0 0 8px var(--accent-tint); }
.avatar { border-color: #3A4650; color: #DCE7D0; background: #202a30; }
.topbar { border-bottom-color: var(--line); }
.search-box { border-color: var(--line); color: var(--muted); background: #151b20; }
.search-box input { color: var(--text); }
.search-box input::placeholder { color: #84919b; }
.logout-button { border-color: var(--line); color: #D0D8DD; background: #1B2229; }
.content { padding-top: clamp(28px,4vh,42px); }
.eyebrow { color: #91A0AA; }
.connection-badge { border-color: var(--line); color: #D0D8DD; background: #1B2229; }
.breadcrumbs { color: var(--muted); }
.crumb { color: #A4AFB9; }
.crumb:hover,.crumb.current { color: var(--text); }
.toolbar { min-height: 64px; margin-top: 5px; border-top-color: var(--line); }
.toolbar-left { flex-wrap: wrap; gap: 8px; }
.select-wrap select { border-color: var(--line); color: #D0D8DD; background: #1B2229; }
.file-action { border-color: #3A4650; color: #D5DDE1; background: #20282f; }
.file-action:disabled { opacity: .5; cursor: not-allowed; }
.view-switch { border-color: var(--line); background: #151b20; }
.view-button { color: #9AA7B0; }
.view-button.selected { color: var(--accent); background: #28343A; }
.read-only-note { display: flex; align-items: center; gap: 8px; margin: 2px 0 15px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; color: #AEBAC2; background: #171e24; font-size: 11px; }
.read-only-note span { color: var(--accent); }
.read-only-note[hidden] { display: none; }
.results-heading { color: var(--muted); }
#selection-note { color: #D1D9DE; }
.file-card { border-color: var(--line); background: var(--surface); }
.file-card:hover { border-color: #53616B; background: #20282f; transform: translateY(-2px); }
.file-preview { border-bottom-color: var(--line); background: #20282f; }
.file-card.folder .file-preview { background: #242e35; }
.file-icon { border-color: #3C4A54; background: #29343b; }
.file-icon.folder-icon { color: var(--accent-soft); background: #303b3e; }
.file-icon.image-icon { color: #B8C9F0; background: #293546; }
.file-icon.video-icon { color: #B6DCE8; background: #263a43; }
.file-icon.document-icon { color: #D5DDE5; background: #303841; }
.file-icon.generic-icon { color: var(--accent); }
.file-name { color: var(--text); }
.file-meta,.muted-cell { color: var(--muted); }
.list-header { border-bottom-color: var(--line); color: var(--muted); }
.list-row { border-bottom-color: #29323a; color: #D0D8DD; }
.list-row:hover { background: #242d35; }
.list-name button { color: #E2E7EA; }
.list-name button:hover { color: var(--accent); }
.list-icon { display: inline-grid; place-items: center; height: 28px; border-radius: 7px; color: var(--accent); }
.list-icon.image-icon { color: #B8C9F0; }
.list-icon.video-icon { color: #B6DCE8; }
.list-icon.document-icon { color: #D5DDE5; }
.loading-state,.empty-state,.error-state { border-color: var(--line); color: var(--muted); background: #151b20; }
.empty-icon,.error-icon { color: #9EADB6; }
.error-state { color: #E0B2AA; border-color: #5B3B3B; background: #241b1c; }
.retry-button,.load-more { border-color: #45525B; color: var(--text); background: #20282f; }
.spinner { border-color: #3A4650; border-top-color: var(--accent); }
.footer-note { border-top-color: var(--line); color: var(--muted); }
.settings-card,.settings-panel { border-color: var(--line); background: #171e24; }
.settings-card-head { border-bottom-color: var(--line); }
.user-settings-summary li { border-color: var(--line); color: #D5DEE3; background: #20282f; }
.users-table th,.audit-panel,.share-tools,.file-request-tools { border-color: var(--line); }
.share-row,.recycle-row,.request-upload-row { border-color: var(--line); background: #1B2229; }
.request-policy { border-color: var(--line); color: #D4DDE1; background: #1B2229; }
.shared-screen { background: var(--app-bg); }
.shared-card { border-color: var(--line); background: #171e24; box-shadow: 0 25px 90px #0005; }
.preview-dialog { border-color: var(--line); background: #151b20; }
.preview-dialog::backdrop { background: #05080bcc; }
.settings-tabs { display:flex; flex-wrap:wrap; gap:8px; margin: 0 0 18px; padding: 8px; border:1px solid var(--line); border-radius:12px; background:var(--sidebar); }
.settings-tab,.quiet-button { min-height:38px; padding:8px 12px; border:1px solid var(--line); border-radius:9px; color:var(--muted); background:#1b2229; cursor:pointer; }
.settings-tab.selected { border-color:var(--accent); color:var(--text); background:var(--surface-accent); box-shadow:inset 0 -2px var(--accent); }
.settings-tab:focus-visible,.quiet-button:focus-visible,.file-action:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
.account-details,.system-details { display:grid; gap:10px; margin:16px 0 0; }
.account-details>div,.system-details>div { display:flex; justify-content:space-between; gap:16px; padding:11px 0; border-bottom:1px solid var(--line); }
.account-details dt,.system-details dt { color:var(--muted); }
.account-details dd,.system-details dd { margin:0; text-align:right; overflow-wrap:anywhere; }
.user-list { display:grid; gap:10px; margin-top:16px; }
.user-card { display:grid; grid-template-columns:minmax(120px,.7fr) auto minmax(160px,1.5fr) auto; align-items:center; gap:12px; padding:13px; border:1px solid var(--line); border-radius:10px; background:var(--surface); }
.user-card-folders { color:var(--muted); overflow-wrap:anywhere; }
.preview-dialog { display:flex; flex-direction:column; gap:8px; }
.preview-dialog:not([open]) { display:none; }
.preview-heading { min-width:0; display:grid; gap:4px; overflow-wrap:anywhere; }
.preview-toolbar,.preview-control-group { display:flex; flex-wrap:wrap; align-items:center; gap:7px; }
.preview-content { flex:1; min-height:0; }
.preview-content .preview-image { max-width:100%; max-height:calc(92vh - 180px); object-fit:contain; transform-origin:center; transition:transform .15s ease; }
.preview-content video { width:min(100%,1100px); }
.preview-content iframe { min-height:55vh; }
.preview-content .text-preview { width:100%; max-height:60vh; overflow:auto; padding:16px; color:var(--text); background:#0d1115; white-space:pre-wrap; overflow-wrap:anywhere; font:13px/1.55 ui-monospace,Consolas,monospace; }
.preview-error { padding:10px 12px; border:1px solid #71433f; border-radius:8px; color:#ffd0ca; background:#2a1b1a; }
.video-preview-fallback { display:grid; gap:8px; padding:11px 12px; border:1px solid var(--line); border-radius:9px; background:var(--surface); }
.video-preview-fallback[hidden] { display:none; }
.video-preview-fallback-status { color:var(--muted); overflow-wrap:anywhere; }
.video-preview-fallback progress { width:100%; height:8px; accent-color:var(--accent); }
.video-preview-fallback-actions { display:flex; flex-wrap:wrap; gap:7px; }
.file-actions { display:flex; flex-wrap:wrap; gap:6px; }
.file-action { max-width:100%; white-space:normal; overflow-wrap:anywhere; }
input,select,textarea { min-width:0; max-width:100%; }
input[type=checkbox],input[type=radio] { accent-color:var(--accent); }
select,textarea { border:1px solid var(--line); border-radius:8px; color:var(--text); background:#12181d; }

@media (max-width: 1100px) {
  :root { --sidebar-width: 208px; }
  .sidebar { padding-right: 11px; padding-left: 11px; }
  .content { padding-right: 28px; padding-left: 28px; }
  .file-grid { grid-template-columns: repeat(auto-fill,minmax(190px,1fr)); }
}

@media (max-width: 650px) {
  .sidebar { background: var(--sidebar); }
  .nav-list { gap: 4px; }
  .nav-item { min-height: 38px; padding: 0 10px; }
  .topbar { height: 58px; padding: 0 12px; }
  .mobile-brand { font-size: 14px; }
  .content { padding: 22px 14px 18px; }
  .toolbar { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; padding: 10px 0; }
  .toolbar-left { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; min-width: 0; }
  .toolbar-left > *, .select-wrap { min-width: 0; width: 100%; }
  .toolbar-left .file-action { min-height: 32px; padding: 5px 6px; font-size: 9px; white-space: nowrap; }
  .select-wrap select { width: 100%; max-width: none; min-width: 0; padding: 0 5px; font-size: 9px; }
  .view-switch { align-self: center; }
  .read-only-note { align-items: flex-start; font-size: 10px; line-height: 1.5; }
  .file-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .file-preview { height: 100px; }
  .file-card-body { padding: 10px; }
  .file-name { font-size: 11px; }
  .file-meta { font-size: 9px; }
  .list-header { display:none; }
  .list-row { grid-template-columns:minmax(0,1fr); gap:8px; margin:8px 0; padding:12px; border:1px solid var(--line); border-radius:10px; background:var(--surface); }
  .list-row > :nth-child(n+3) { display:block; }
  .list-row .file-actions { display:flex; }
  .settings-tabs { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); }
  .settings-tab { min-width:0; overflow-wrap:anywhere; }
  .user-card { grid-template-columns:minmax(0,1fr) auto; }
  .user-card-folders { grid-column:1/-1; }
  .preview-dialog { width:calc(100vw - 16px); max-width:none; max-height:calc(100dvh - 16px); padding:10px; }
  .preview-toolbar { align-items:stretch; }
  .preview-control-group { max-width:100%; }
  .preview-content { max-height:calc(100dvh - 210px); }
  .preview-content iframe { height:calc(100dvh - 225px); }
  .preview-content img,.preview-content video { max-height:calc(100dvh - 225px); }
  .toolbar-left .file-action { white-space:normal; }
}

@media (max-width: 360px) {
  .content { padding-right:10px; padding-left:10px; }
  .file-grid { grid-template-columns:minmax(0,1fr); }
  .toolbar { grid-template-columns:minmax(0,1fr); }
  .view-switch { justify-self:start; }
  .heading-row { align-items:flex-start; flex-direction:column; gap:8px; }
  .topbar { gap:7px; }
  .search-box { min-width:0; }
  .search-box kbd,.top-avatar { display:none; }
}

/* Unified STT NAS product system */
:root { --sidebar-width:220px; --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:24px; --radius-control:8px; --radius-card:14px; }
button,input,select,textarea { font:inherit; }
button:disabled,input:disabled,select:disabled { opacity:.52; cursor:not-allowed; }
input[type=checkbox],input[type=radio] { accent-color:var(--accent); }
select,input:not([type=checkbox]):not([type=radio]),textarea { border-color:var(--line); border-radius:var(--radius-control); color:var(--text); background:var(--surface); }
.app-shell { grid-template-columns:var(--sidebar-width) minmax(0,1fr); }
.sidebar { padding:20px 12px 14px; border-right-color:var(--line); }
.new-button { margin:24px 2px 18px; border-radius:var(--radius-control); }
.nav-list { gap:4px; }
.nav-item { min-height:40px; border-radius:var(--radius-control); }
.nav-item.active { background:#20282f; box-shadow:inset 3px 0 var(--accent); }
.nav-item[aria-current=page] { color:var(--text); }
.profile { cursor:default; }
.main-panel { min-width:0; }
.topbar { position:sticky; top:0; z-index:10; height:64px; backdrop-filter:blur(14px); background:color-mix(in srgb,var(--app-bg) 92%,transparent); }
.content { width:min(1560px,100%); padding:clamp(24px,3vw,42px) clamp(18px,3vw,48px) 28px; }
.heading-row { margin-bottom:12px; }
h1 { letter-spacing:-.035em; }
.connection-badge { border-radius:999px; }
.toolbar { border:0; margin-top:10px; padding:8px 0; }
.toolbar-left { gap:8px; }
.file-action,.quiet-button,.auth-submit,.view-button,.settings-tab { border-radius:var(--radius-control); transition:background .16s,border-color .16s,color .16s; }
.file-action { min-height:34px; padding:7px 11px; font-size:12px; }
.file-action:hover:not(:disabled) { color:var(--accent); border-color:var(--accent); background:var(--surface-accent); }
.select-wrap select { min-width:128px; height:36px; border-radius:var(--radius-control); font-size:12px; }
.view-switch { padding:4px; border-radius:10px; }
.view-button { width:34px; height:30px; }
.read-only-note,#drive-content>.footer-note { display:none !important; }
.file-grid { grid-template-columns:repeat(auto-fill,minmax(196px,1fr)); gap:12px; }
.file-card { border-radius:var(--radius-card); cursor:pointer; }
.file-card:hover { transform:translateY(-1px); }
.file-preview { height:126px; }
.file-card-body { padding:13px; }
.file-name { font-size:13px; }
.file-meta { font-size:11px; }
.list-header,.list-row { grid-template-columns:minmax(0,2fr) minmax(90px,.8fr) minmax(115px,1fr) minmax(82px,.7fr); }
.list-row { min-height:54px; font-size:12px; }
.list-header { font-size:11px; }
.settings-card { margin-top:14px; padding:24px; border-radius:var(--radius-card); background:var(--surface); }
.settings-card-head { padding-bottom:18px; }
.settings-card-head p { font-size:12px; }
.settings-tabs { gap:6px; padding:6px; border-radius:12px; }
.settings-tab { padding:9px 13px; }
.route-section>.settings-panel { margin:0; }
.selected-name { max-width:min(45vw,480px); padding:0 5px; font-size:12px; }
.file-context-menu { position:fixed; z-index:30; min-width:190px; padding:5px; border:1px solid var(--line); border-radius:12px; background:#1b2229; box-shadow:0 14px 42px #0009; }
.file-context-menu[hidden] { display:none; }
.context-menu-item,.file-context-menu .file-action { width:100%; min-height:38px; display:flex; align-items:center; justify-content:flex-start; padding:8px 10px; border:0; border-radius:7px; color:var(--text); background:transparent; font-size:12px; text-align:left; text-decoration:none; cursor:pointer; }
.context-menu-item:hover,.file-context-menu .file-action:hover { color:var(--text); background:var(--surface-hover); }
#context-mutations { padding-top:5px; margin-top:5px; border-top:1px solid var(--line); }
.preview-dialog { border-radius:16px; background:#101419; }
.preview-content video { width:min(100%,1280px); max-height:calc(92dvh - 190px); background:#05070a; }
.preview-error { max-width:100%; overflow-wrap:anywhere; }
@media (max-width:1000px) {
  .list-header,.list-row { grid-template-columns:minmax(0,2fr) minmax(80px,.8fr) minmax(85px,.7fr); }
  .list-header span:nth-child(3),.list-row>:nth-child(3) { display:none; }
  .file-grid { grid-template-columns:repeat(auto-fill,minmax(172px,1fr)); }
}
@media (max-width:650px) {
  .app-shell { display:flex; flex-direction:column; }
  .sidebar { position:static; width:100%; height:auto; min-height:0; padding:8px; border-right:0; border-bottom:1px solid var(--line); }
  .sidebar>.brand,.sidebar>.new-button,.sidebar-bottom { display:none; }
  .nav-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:4px; overflow:visible; }
  .nav-item { width:100%; min-width:0; min-height:40px; justify-content:center; gap:5px; padding:5px 4px; font-size:11px; }
  .nav-item>span:last-child { min-width:0; overflow-wrap:anywhere; }
  .nav-icon { width:auto; font-size:15px; }
  .topbar { position:static; height:56px; }
  .content { padding:20px 14px; }
  .toolbar { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:8px; }
  .toolbar-left { display:flex; flex-wrap:wrap; min-width:0; }
  .select-wrap { width:auto; flex:1 1 120px; }
  .select-wrap select { width:100%; min-width:0; }
  .view-switch { align-self:center; }
  .file-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
  .file-preview { height:94px; }
  .file-card-body { padding:10px; }
  .file-name { font-size:11px; }
  .file-meta { font-size:9px; }
  .list-header { display:none; }
  .list-row { grid-template-columns:minmax(0,1fr); gap:6px; margin:7px 0; padding:12px; border:1px solid var(--line); border-radius:10px; background:var(--surface); }
  .list-row>:nth-child(3) { display:block; }
  .list-row>:nth-child(2),.list-row>:nth-child(4) { padding-left:34px; }
  .selected-name { flex:1 1 100%; max-width:100%; }
  .settings-card { padding:15px; }
}
@media (max-width:360px) {
  .content { padding-right:10px; padding-left:10px; }
  .file-grid { grid-template-columns:minmax(0,1fr); }
  .toolbar { grid-template-columns:minmax(0,1fr); }
}

/* STT NAS workspace design system */
:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  --type-body: 14px;
  --type-meta: 12px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --radius-control: 9px;
  --radius-card: 12px;
  --radius-dialog: 18px;
  --shadow-panel: 0 1px 2px #0003, 0 10px 30px #0002;
  --shadow-overlay: 0 22px 70px #0009;
  --motion-fast: 140ms;
  --motion-standard: 180ms;
  --focus-ring: 0 0 0 3px var(--accent-tint);
  --sidebar-width: 224px;
  --app-bg: #101419;
  --sidebar: #13191e;
  --surface: #1b2229;
  --surface-raised: #20282f;
  --surface-hover: #27313a;
  --line: #303b43;
  --text: #f4f6f7;
  --muted: #a4afb9;
  --subtle: #8996a0;
  --accent: var(--accent-soft);
  --accent-ink: var(--surface-raised);
  --danger: #ef8d86;
  --success: var(--state-success);
  --warning: #e1bd72;
  background: var(--app-bg);
  color: var(--text);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

html { min-width: 320px; background: var(--app-bg); scroll-behavior: smooth; }
body { min-width: 320px; min-height: 100vh; min-height: 100dvh; background: var(--app-bg); color: var(--text); font-size: var(--type-body); line-height: 1.5; }
button,input,select,textarea { font: inherit; }
button { color: inherit; }
button:disabled,input:disabled,select:disabled { opacity: .58; cursor: not-allowed; }
:where(a,button,input,select,textarea,[tabindex]):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; box-shadow: var(--focus-ring); }
:where(h1,h2,h3)[id] { scroll-margin-top: 82px; text-wrap: balance; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon-inline,.nav-icon,.file-icon svg,.list-icon svg,.empty-icon svg,.settings-mark svg { display: block; width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon-inline { width: 18px; height: 18px; flex: 0 0 auto; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius-control); color: var(--text); background: var(--surface-raised); transform: translateY(-150%); transition: transform var(--motion-fast) ease; }
.skip-link:focus { transform: translateY(0); }

.app-shell { min-height: 100vh; min-height: 100dvh; grid-template-columns: var(--sidebar-width) minmax(0,1fr); }
.sidebar { height: 100vh; height: 100dvh; min-height: 560px; padding: 18px 12px 14px; background: var(--sidebar); border-right: 1px solid var(--line); }
.brand { min-height: 38px; gap: 10px; color: var(--text); font-size: 17px; letter-spacing: -.035em; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; color: var(--accent-ink); background: var(--accent); box-shadow: none; }
.brand-light { color: var(--muted); }
.new-button { min-height: 42px; margin: 22px 2px 18px; border-radius: var(--radius-control); font-size: 13px; }
.nav-list { gap: 3px; }
.nav-item { min-height: 42px; gap: 11px; padding: 0 11px; border-radius: var(--radius-control); color: var(--muted); font-size: 13px; transition: color var(--motion-fast),background var(--motion-fast); }
.nav-item.active,.nav-item[aria-current="page"] { color: var(--text); background: #20282f; box-shadow: inset 2px 0 var(--accent); }
.nav-item:not(:disabled):hover { color: var(--text); background: var(--surface-hover); }
.nav-icon { width: 19px; height: 19px; flex: 0 0 auto; color: var(--subtle); }
.nav-item.active .nav-icon { color: var(--accent); }
.nav-item:disabled { opacity: .5; }
.storage-card { margin: 16px 3px 14px; padding: 11px; border-radius: var(--radius-control); background: var(--surface); }
.storage-heading { font-size: 12px; }
.storage-card p { margin: 7px 0 3px; color: var(--muted); font-size: var(--type-meta); }
.storage-path { color: var(--subtle); font-size: 11px; }
.profile { padding: 12px 7px 0; }
.profile strong { font-size: 12px; }
.profile small { font-size: 11px; }
.avatar { width: 34px; height: 34px; color: var(--text); background: var(--surface-raised); }

.main-panel { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 10; height: 64px; padding: 0 clamp(20px,3vw,42px); border-bottom-color: var(--line); background: color-mix(in srgb,var(--app-bg) 94%,transparent); backdrop-filter: blur(12px); }
.mobile-brand { gap: 8px; color: var(--text); }
.search-box { width: min(520px,64%); height: 40px; gap: 10px; padding: 0 12px; border-color: var(--line); border-radius: 10px; color: var(--muted); background: var(--surface); }
.search-box:focus-within { border-color: var(--accent); box-shadow: var(--focus-ring); }
.search-box input { min-height: 38px; color: var(--text); font-size: 14px; }
.search-box input::placeholder { color: var(--subtle); }
kbd { padding: 3px 6px; border-color: #3a454e; border-radius: 5px; color: var(--muted); font-size: 11px; }
.top-avatar { width: 34px; height: 34px; }
.logout-button { min-height: 36px; padding: 7px 12px; border-color: var(--line); border-radius: 8px; color: var(--muted); background: var(--surface); font-size: 12px; }
.logout-button:hover { color: var(--text); border-color: #50606a; }
.content { width: min(1600px,100%); padding: clamp(26px,3vw,42px) clamp(22px,3.2vw,48px) 36px; }
.heading-row { align-items: center; gap: 16px; margin-bottom: 16px; }
.eyebrow { margin-bottom: 5px; color: var(--subtle); font-size: 11px; letter-spacing: .08em; font-weight: 650; }
h1 { font-size: clamp(24px,2.4vw,30px); line-height: 1.2; letter-spacing: -.035em; font-weight: 650; }
h2 { font-size: 18px; line-height: 1.3; }
.connection-badge { min-height: 34px; padding: 7px 11px; border-color: var(--line-strong); color: #cfdfc2; background: var(--surface-raised); font-size: 12px; }
.breadcrumbs { min-height: 34px; gap: 8px; margin: 11px 0 8px; color: var(--subtle); font-size: 13px; overflow-x: auto; }
.crumb { min-height: 32px; padding: 5px 3px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.crumb:hover,.crumb.current { color: var(--text); }
.crumb-separator { color: #65717b; }

.toolbar { min-height: 54px; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.toolbar-left { min-width: 0; flex-wrap: wrap; align-items: center; gap: 8px; }
.file-action,.quiet-button,.auth-submit,.view-button,.settings-tab,.load-more { min-height: 38px; border-radius: var(--radius-control); font-size: 13px; transition: color var(--motion-fast),background var(--motion-fast),border-color var(--motion-fast),box-shadow var(--motion-fast); }
.file-action { padding: 8px 12px; border-color: var(--line); color: var(--text); background: var(--surface); }
.file-action:hover:not(:disabled),.quiet-button:hover:not(:disabled) { border-color: #53616a; color: var(--text); background: var(--surface-hover); }
.file-action:disabled { color: var(--subtle); background: #181e23; }
.select-wrap select { min-width: 142px; min-height: 38px; padding: 6px 30px 6px 11px; border-color: var(--line); border-radius: var(--radius-control); color: var(--text); background: var(--surface); font-size: 13px; }
.select-wrap select:hover { border-color: #53616a; }
.view-switch { gap: 3px; padding: 3px; border-color: var(--line); border-radius: 10px; background: var(--surface); }
.view-button { width: 38px; height: 36px; border-radius: 7px; color: var(--muted); }
.view-button .icon-inline { width: 19px; height: 19px; }
.view-button[aria-pressed="true"],.view-button.selected { color: var(--accent); background: var(--surface-accent); }
.results-heading { min-height: 40px; height: auto; color: var(--muted); font-size: 13px; }
.selected-name { max-width: min(42vw,480px); padding: 0 7px; color: var(--text); font-size: 13px; }
#selection-note { color: var(--muted); }
.file-context-menu { z-index: 30; min-width: 210px; padding: 5px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-raised); box-shadow: var(--shadow-overlay); }
.context-menu-item,.file-context-menu .file-action { min-height: 42px; border-radius: 8px; color: var(--text); font-size: 13px; }
.context-menu-item:hover,.file-context-menu .file-action:hover { background: var(--surface-hover); }
.file-grid { grid-template-columns: repeat(auto-fill,minmax(min(190px,100%),1fr)); gap: 12px; }
.file-card { border-color: var(--line); border-radius: var(--radius-card); background: var(--surface); transition: border-color var(--motion-fast),background var(--motion-fast),transform var(--motion-fast); }
.file-card:hover { border-color: #53616a; background: var(--surface-raised); transform: translateY(-1px); }
.file-card.selected-item,.list-row.selected-item { border-color: var(--accent); box-shadow: 0 0 0 1px color-mix(in srgb,var(--accent) 38%,transparent); }
.file-preview { height: 104px; background: #20282f; }
.file-card.folder .file-preview { background: var(--surface-accent); }
.file-icon { width: 42px; height: 42px; border-radius: 12px; color: #c7d1d7; background: #303b43; }
.folder-icon { color: var(--accent-soft); background: var(--surface-accent); }
.image-icon { color: #d4b7f0; background: #342c40; }
.video-icon { color: #9ed4e2; background: #283a42; }
.document-icon { color: #f0bc8c; background: #42352d; }
.file-icon svg { width: 23px; height: 23px; }
.file-thumbnail { width: 100%; height: 100%; object-fit: cover; }
.file-card-body { gap: 7px; padding: 12px; }
.file-name { font-size: 14px; line-height: 1.4; }
.file-meta { gap: 8px; color: var(--muted); font-size: var(--type-meta); font-variant-numeric: tabular-nums; }
.list-header,.list-row { grid-template-columns: minmax(0,2fr) minmax(100px,.8fr) minmax(130px,1fr) minmax(90px,.7fr); }
.list-header { min-height: 36px; color: var(--muted); font-size: 12px; }
.list-row { min-height: 50px; border-bottom-color: #29323a; color: var(--text); font-size: 13px; }
.list-row:hover { background: #1a2229; }
.list-name { min-width: 0; gap: 10px; }
.list-name > span:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-icon { width: 30px; height: 30px; border-radius: 8px; color: var(--muted); background: var(--surface-raised); }
.list-icon svg { width: 18px; height: 18px; }
.muted-cell { color: var(--muted); font-size: var(--type-meta); font-variant-numeric: tabular-nums; }
.load-more { min-width: 120px; margin-top: 18px; padding: 8px 14px; border: 1px solid var(--line); color: var(--text); background: var(--surface); cursor: pointer; }

.settings-tabs { gap: 4px; margin: 0 0 16px; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: var(--sidebar); }
.settings-tab { min-height: 40px; padding: 8px 13px; border-color: transparent; color: var(--muted); background: transparent; }
.settings-tab.selected { border-color: var(--line-strong); color: var(--text); background: var(--surface-accent); box-shadow: inset 0 -2px var(--accent); }
.settings-card,.settings-panel { border-color: var(--line); border-radius: var(--radius-card); background: var(--surface); }
.settings-card { margin-top: 14px; padding: 22px; }
.settings-card-head { align-items: flex-start; gap: 16px; padding-bottom: 16px; border-bottom-color: var(--line); }
.settings-card-head h2 { margin: 0; font-size: 16px; }
.settings-card-head p,.user-settings-summary p { margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.settings-mark { width: 36px; height: 36px; border-color: var(--line-strong); border-radius: 10px; color: var(--accent); background: var(--surface-accent); }
.settings-mark svg { width: 19px; height: 19px; }
.user-form { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin-top: 16px; }
.user-form > label { min-width: 0; gap: 6px; color: var(--text); font-size: 13px; font-weight: 550; }
.user-form input,.user-form select,.user-form textarea,.auth-form input,.permissions-form textarea { width: 100%; min-height: 42px; padding: 9px 11px; border: 1px solid var(--line); border-radius: var(--radius-control); color: var(--text); background: #141a20; font-size: 14px; }
.user-form > .checkbox-label { grid-template-columns: 20px minmax(0,1fr); align-items: center; gap: 10px; }
.user-form input[type="checkbox"] { width: 18px; min-height: 18px; margin: 0; }
.user-form .file-action,.user-form button[type="submit"] { justify-self: start; min-width: 144px; }
.file-request-form { grid-template-columns: repeat(3,minmax(0,1fr)); }
.settings-message { min-height: 22px; margin: 12px 0 6px; color: var(--muted); font-size: 13px; }
.settings-message[role="alert"],.auth-message { color: var(--danger); }
.share-list,.user-list { display: grid; gap: 9px; margin-top: 14px; }
.share-row,.user-card { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(110px,.8fr) auto; align-items: center; gap: 14px; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: #171e24; }
.share-row > *, .user-card > * { min-width: 0; overflow-wrap: anywhere; }
.user-card { grid-template-columns: minmax(120px,.7fr) auto minmax(160px,1.5fr) auto; }
.user-card-folders { color: var(--muted); }
.account-details,.system-details { display: grid; gap: 0; margin: 16px 0 0; }
.account-details > div,.system-details > div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.account-details dt,.system-details dt { color: var(--muted); }
.account-details dd,.system-details dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
.empty-state,.loading-state,.error-state { display: grid; justify-items: center; align-content: center; gap: 10px; min-height: 220px; padding: 28px; border: 1px dashed #39444c; border-radius: var(--radius-card); color: var(--muted); text-align: center; }
.empty-state strong,.error-state strong { color: var(--text); font-size: 16px; }
.empty-state p,.error-state p { max-width: 48ch; margin: 0; color: var(--muted); font-size: 13px; }
.empty-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; color: var(--accent); background: var(--surface-accent); }
.empty-icon svg { width: 25px; height: 25px; }
.error-icon { color: var(--danger); }
.spinner { border-color: #3d494e; border-top-color: var(--accent); }
.read-only-note { gap: 8px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 10px; color: #c9d8bc; background: var(--surface-raised); font-size: 13px; }
.footer-note { margin-top: 24px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

.preview-dialog { width: min(1320px,96vw); max-width: none; max-height: 94dvh; padding: 16px; border-color: #46525a; border-radius: var(--radius-dialog); background: #12181e; box-shadow: var(--shadow-overlay); overscroll-behavior: contain; }
.preview-dialog::backdrop { background: #080c10d9; backdrop-filter: blur(8px); }
.preview-dialog-head { min-height: 44px; gap: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.preview-heading { color: var(--text); font-size: 15px; }
.preview-toolbar { gap: 8px; padding: 12px 0; }
.preview-control-group { gap: 6px; }
.quiet-button { min-height: 40px; padding: 8px 12px; border: 1px solid var(--line); color: var(--text); background: var(--surface); }
.preview-content { min-height: 240px; max-height: calc(94dvh - 150px); border-radius: 10px; background: #0b0f13; overscroll-behavior: contain; }
.preview-content .preview-image,.preview-content video { max-width: 100%; max-height: calc(94dvh - 190px); object-fit: contain; }
.preview-content video { width: min(100%,1280px); background: #080b0e; }
.preview-content iframe { width: 100%; height: calc(94dvh - 170px); min-height: 58vh; border: 0; background: white; }
.preview-content .text-preview { width: min(100%,960px); max-height: 70vh; padding: 20px; border-radius: 8px; color: var(--text); background: #141a20; font-size: 14px; line-height: 1.6; }
.preview-error { max-width: 100%; padding: 12px 14px; border-color: #744b47; border-radius: 10px; color: #ffd4cf; background: #2a1c1c; overflow-wrap: anywhere; }
.video-preview-fallback { gap: 10px; padding: 14px; border-color: var(--line); border-radius: 12px; background: var(--surface); }
.video-preview-fallback-status { color: var(--muted); overflow-wrap: anywhere; }
.video-preview-fallback progress { width: 100%; height: 8px; accent-color: var(--accent); }
.video-preview-fallback-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.file-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.file-action { max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
.file-context-menu { overscroll-behavior: contain; }

.auth-screen { grid-template-columns: minmax(320px,1fr) minmax(400px,1fr); background: var(--app-bg); }
.auth-visual { background: #151c20; border-right-color: var(--line); }
.auth-visual::before { opacity: .1; background-size: 56px 56px; }
.visual-orbit { border-color: var(--accent-tint); }
.orbit-one { box-shadow: none; }
.visual-core { width: 112px; height: 112px; border-color: var(--accent); border-radius: 28px; background: var(--surface-accent); box-shadow: 0 20px 60px #0004; }
.core-glyph { color: var(--accent); text-shadow: none; }
.core-ring { border-color: var(--accent-tint); border-radius: 36px; }
.visual-caption { color: var(--muted); font-size: 11px; letter-spacing: .06em; }
.auth-side { padding: clamp(24px,5vw,64px); }
.auth-card { width: min(420px,100%); }
.auth-kicker { margin-bottom: 12px; color: var(--accent-soft); font-size: 11px; letter-spacing: .08em; }
.auth-card h1 { font-size: clamp(28px,3vw,36px); }
.auth-copy { margin: 10px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.auth-form { gap: 16px; }
.auth-form label,.user-form label,.permissions-form label { gap: 7px; color: var(--text); font-size: 13px; font-weight: 550; }
.auth-form input { min-height: 46px; font-size: 15px; }
.auth-form input:focus,.user-form input:focus,.user-form select:focus,.permissions-form textarea:focus { border-color: var(--accent); box-shadow: var(--focus-ring); }
.auth-submit { min-height: 46px; padding: 0 15px; border-color: var(--accent); color: var(--accent-ink); background: var(--accent); font-size: 14px; font-weight: 700; }
.auth-submit:hover:not(:disabled) { background: var(--accent-soft); }
.field-hint { color: var(--muted); font-size: 12px; }
.setup-callout { padding: 12px; border-color: var(--line-strong); border-radius: 10px; color: #d2dfc3; background: var(--surface-raised); font-size: 13px; }
.auth-message { min-height: 22px; font-size: 13px; }
.auth-footnote { margin-top: 26px; padding-top: 15px; border-top-color: var(--line); color: var(--muted); font-size: 12px; }
.shared-screen { min-height: 100vh; padding: clamp(18px,4vw,48px); background: var(--app-bg); }
.shared-card { width: min(920px,100%); margin: 0 auto; padding: clamp(20px,4vw,36px); border: 1px solid var(--line); border-radius: var(--radius-dialog); background: var(--surface); box-shadow: var(--shadow-panel); }
.shared-items { display: grid; gap: 8px; margin-top: 18px; }
.request-upload-form { gap: 14px; }
.request-upload-form input[type="file"] { width: 100%; min-height: 44px; padding: 8px; border: 1px solid var(--line); border-radius: var(--radius-control); background: #141a20; }
.file-picker { position: relative; min-height: 52px; display: flex !important; flex-direction: row; align-items: center; gap: 12px; padding: 6px 8px; border: 1px solid var(--line); border-radius: var(--radius-control); background: #141a20; cursor: pointer; }
.file-picker:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; box-shadow: var(--focus-ring); }
.file-picker input[type="file"] { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; min-height: 0; padding: 0; opacity: 0; cursor: pointer; }
.file-picker-button { min-height: 38px; display: inline-flex; align-items: center; padding: 7px 12px; border: 1px solid #46545c; border-radius: 7px; color: var(--text); background: var(--surface-raised); font-size: 13px; font-weight: 600; }
.file-picker-selection { min-width: 0; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.file-picker:hover .file-picker-button { border-color: #64737b; background: var(--surface-hover); }
.file-picker:focus-within .file-picker-button { border-color: var(--accent); }
.request-upload-form > .field-hint { margin-top: -10px; }

@media (max-width: 1100px) {
  :root { --sidebar-width: 204px; }
  .content { padding-right: 28px; padding-left: 28px; }
  .file-grid { grid-template-columns: repeat(auto-fill,minmax(min(176px,100%),1fr)); }
  .list-header,.list-row { grid-template-columns: minmax(0,2fr) minmax(90px,.75fr) minmax(88px,.7fr); }
  .list-header > :nth-child(3),.list-row > :nth-child(3) { display: none; }
}
@media (max-width: 768px) {
  .app-shell { display: flex; flex-direction: column; }
  .sidebar { position: relative; width: 100%; height: auto; min-height: 0; padding: 8px 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar > .brand,.sidebar > .new-button,.sidebar-bottom { display: none; }
  .nav-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 4px; overflow: visible; }
  .nav-item { min-height: 44px; justify-content: center; gap: 7px; padding: 6px 5px; font-size: 12px; }
  .nav-item > span:last-child { min-width: 0; overflow-wrap: anywhere; text-align: left; }
  .nav-icon { width: 18px; height: 18px; }
  .main-panel { width: 100%; }
  .topbar { position: static; height: 58px; gap: 10px; padding: 0 14px; }
  .mobile-brand { display: flex; font-size: 14px; }
  .mobile-brand .brand-mark { width: 27px; height: 27px; }
  .search-box { width: auto; min-width: 0; flex: 1 1 auto; height: 40px; gap: 7px; padding: 0 9px; }
  .search-box input { font-size: 14px; }
  .search-box kbd { display: none; }
  .top-avatar { display: none; }
  .logout-button { padding: 7px 9px; }
  .content { padding: 22px 18px 28px; }
  .heading-row { align-items: flex-start; }
  .toolbar { align-items: flex-start; }
  .toolbar-left { flex: 1 1 auto; }
  .file-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .file-preview { height: 96px; }
  .file-card-body { padding: 10px; }
  .file-name { font-size: 13px; }
  .file-meta { flex-wrap: wrap; gap: 2px 8px; }
  .list-header { display: none; }
  .list-row { grid-template-columns: minmax(0,1fr); gap: 6px; margin: 7px 0; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
  .list-row > :nth-child(n+2) { display: block; padding-left: 40px; }
  .list-row .file-actions { display: flex; }
  .settings-card { padding: 17px; }
  .file-request-form { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .share-row,.user-card { grid-template-columns: minmax(0,1fr) auto; gap: 8px 12px; }
  .share-row > :last-child,.user-card-folders { grid-column: 1 / -1; }
  .preview-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); padding: 12px; border-radius: 14px; }
  .preview-content { max-height: calc(100dvh - 190px); }
  .preview-content iframe { height: calc(100dvh - 210px); }
  .preview-content img,.preview-content video { max-height: calc(100dvh - 210px); }
  .auth-screen { min-height: 100dvh; grid-template-columns: minmax(0,1fr); }
  .auth-visual { min-height: 180px; border-right: 0; border-bottom: 1px solid var(--line); }
  .auth-brand { top: 16px; left: 16px; }
  .visual-orbit,.visual-caption { display: none; }
  .visual-core { width: 68px; height: 68px; border-radius: 18px; }
  .core-glyph { font-size: 38px; }
  .core-ring { inset: -9px; border-radius: 23px; }
  .auth-side { padding: 28px 20px 36px; }
}
@media (max-width: 480px) {
  .topbar { gap: 7px; padding: 0 10px; }
  .mobile-brand { gap: 6px; font-size: 13px; }
  .mobile-brand .brand-mark { width: 25px; height: 25px; }
  .logout-button { min-height: 36px; padding: 6px 8px; font-size: 12px; white-space: nowrap; flex: 0 0 auto; }
  .content { padding: 20px 14px 24px; }
  .heading-row { flex-direction: row; align-items: center; }
  .connection-badge { min-height: 30px; padding: 5px 8px; font-size: 11px; }
  .toolbar { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
  .toolbar-left { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
  .toolbar-left > *, .select-wrap { width: 100%; min-width: 0; }
  .toolbar-left .file-action { min-height: 42px; padding: 7px 8px; font-size: 12px; }
  .select-wrap select { width: 100%; min-width: 0; padding: 6px 23px 6px 8px; font-size: 12px; }
  .view-switch { align-self: center; }
  .file-grid { gap: 8px; }
  .file-preview { height: 86px; }
  .file-meta { font-size: 11px; }
  .file-action,.quiet-button,.settings-tab,.view-button { min-height: 44px; }
  .view-button { width: 42px; }
  .settings-tabs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .settings-tab { min-width: 0; padding: 8px; font-size: 12px; overflow-wrap: anywhere; }
  .user-form,.file-request-form { grid-template-columns: minmax(0,1fr); }
  .user-form .file-action,.user-form button[type="submit"] { width: 100%; }
  .account-details > div,.system-details > div { align-items: flex-start; }
  .account-details dd,.system-details dd { max-width: 58%; }
  .preview-toolbar { align-items: center; }
  .preview-control-group { max-width: 100%; }
}
@media (max-width: 360px) {
  .nav-list { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .nav-item { min-height: 46px; flex-direction: column; gap: 2px; padding: 4px 2px; font-size: 11px; }
  .nav-icon { width: 17px; height: 17px; }
  .mobile-brand > span:last-child { display: none; }
  .topbar { gap: 8px; }
  .content { padding-right: 10px; padding-left: 10px; }
  .file-grid { grid-template-columns: minmax(0,1fr); }
  .toolbar { grid-template-columns: minmax(0,1fr); }
  .view-switch { justify-self: start; }
  .heading-row { flex-direction: column; align-items: flex-start; }
  .selected-name { flex: 1 1 100%; max-width: 100%; }
  .preview-dialog { width: calc(100vw - 12px); max-height: calc(100dvh - 12px); padding: 9px; }
  .preview-dialog-head { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Contextual sharing and reusable folder selection workflows */
.folder-selection-field { min-width: 0; display: grid; align-content: start; gap: 10px; }
.field-label { display: grid; gap: 4px; color: var(--text); font-size: 13px; font-weight: 600; }
.folder-selection-field > .quiet-button { justify-self: start; min-height: 42px; }
.selected-folders { min-width: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.folder-selection-chip { min-width: 0; max-width: 100%; display: inline-flex; align-items: center; gap: 8px; padding: 5px 7px 5px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); background: var(--surface); }
.folder-selection-chip > svg { width: 16px; height: 16px; flex: 0 0 auto; color: var(--accent); fill: none; stroke: currentColor; stroke-width: 1.7; }
.folder-selection-name { min-width: 0; overflow-wrap: anywhere; }
.folder-remove { width: 30px; min-height: 30px; flex: 0 0 auto; border: 0; border-radius: 50%; color: var(--muted); background: transparent; cursor: pointer; font-size: 20px; line-height: 1; }
.folder-remove:hover,.folder-remove:focus-visible { color: var(--text); background: var(--surface-hover); }
.empty-folder-selection,.folder-role-note { color: var(--muted); font-size: 12px; }
.folder-role-note { grid-column: 1 / -1; margin: 0; }
.password-field { position: relative; display: block; }
.password-field input { width: 100%; padding-right: 48px; }
.password-toggle { position: absolute; inset: 3px 3px 3px auto; width: 42px; min-height: 40px; display: grid; place-items: center; border: 0; border-radius: 7px; color: var(--muted); background: transparent; cursor: pointer; }
.password-toggle:hover { color: var(--text); background: var(--surface-hover); }
.password-toggle svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.folder-destination { min-width: 0; display: grid; align-content: start; gap: 8px; }
.folder-destination > .quiet-button { justify-self: start; min-height: 44px; }
.selected-folder-label { min-width: 0; color: var(--muted); overflow-wrap: anywhere; }
.folder-request-technical-note { grid-column: 1 / -1; margin: 0; }
.workflow-dialog { width: min(720px,calc(100vw - 28px)); max-width: none; max-height: calc(100dvh - 28px); margin: auto; padding: 0; overflow: visible; border: 1px solid #46535a; border-radius: 16px; color: var(--text); background: var(--surface); box-shadow: var(--shadow-overlay); }
.workflow-dialog::backdrop { background: #070a0dbb; backdrop-filter: blur(4px); }
.workflow-dialog-panel { max-height: calc(100dvh - 30px); display: grid; grid-template-rows: auto auto auto auto minmax(120px,1fr) auto auto; gap: 12px; padding: clamp(16px,3vw,24px); overflow: auto; overscroll-behavior: contain; }
.workflow-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.workflow-dialog-head h2 { margin: 0; font-size: clamp(20px,3vw,24px); line-height: 1.25; }
.workflow-dialog-head .eyebrow { margin: 0 0 4px; }
.workflow-dialog-head > button { flex: 0 0 auto; }
.folder-picker-search { min-width: 0; min-height: 44px; display: flex; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius-control); background: #141a20; }
.folder-picker-search:focus-within { border-color: var(--accent); box-shadow: var(--focus-ring); }
.folder-picker-search input { min-width: 0; width: 100%; border: 0; outline: 0; color: var(--text); background: transparent; }
.picker-breadcrumbs { min-height: 30px; margin: 0; overflow-x: auto; }
.folder-picker-current { margin: 0; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.folder-picker-list { min-height: 120px; max-height: min(44vh,400px); display: grid; align-content: start; gap: 4px; overflow: auto; border-block: 1px solid var(--line); padding: 8px 2px; }
.folder-picker-list[aria-busy="true"] { opacity: .72; }
.folder-picker-item { min-width: 0; }
.folder-picker-row { width: 100%; min-height: 44px; display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid transparent; border-radius: 8px; color: var(--text); background: transparent; text-align: left; cursor: pointer; }
.folder-picker-row:hover,.folder-picker-row:focus-visible { border-color: var(--line); background: var(--surface-hover); }
.folder-picker-row svg { width: 19px; height: 19px; flex: 0 0 auto; fill: none; stroke: var(--accent); stroke-width: 1.8; }
.folder-picker-row span { min-width: 0; overflow-wrap: anywhere; }
.compact-empty { min-height: 92px; border: 0; }
.workflow-dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 4px; }
.share-dialog { width: min(760px,calc(100vw - 28px)); }
.share-dialog .workflow-dialog-panel { grid-template-rows: auto auto auto auto; }
.share-item-name { margin: 5px 0 0; color: var(--text); font-size: 15px; font-weight: 650; overflow-wrap: anywhere; }
.share-item-path { margin: 2px 0 0; overflow-wrap: anywhere; }
.share-form { grid-template-columns: repeat(2,minmax(0,1fr)); align-items: start; gap: 12px; }
.share-form > :last-child { align-self: end; }
.share-created-link { min-width: 0; display: grid; gap: 7px; padding: 12px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface-raised); }
.share-created-link > label { font-size: 13px; font-weight: 600; }
.share-created-link > div { min-width: 0; display: flex; align-items: center; gap: 8px; }
.share-created-link input { min-width: 0; flex: 1; height: 42px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); background: #11171c; }
.share-created-link .quiet-button { flex: 0 0 auto; min-height: 42px; }
.share-existing { display: grid; gap: 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.share-existing-head h3 { margin: 0; font-size: 15px; }
.share-existing-head p { margin: 3px 0 0; }
.share-row-copy { min-width: 0; display: grid; gap: 2px; overflow-wrap: anywhere; }
.share-row-copy strong { font-size: 13px; }
.share-row-copy .field-hint { font-size: 11px; }
.share-dialog .share-row { grid-template-columns: minmax(0,1fr) auto; }

@media (max-width: 560px) {
  .workflow-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); border-radius: 13px; }
  .workflow-dialog-panel { max-height: calc(100dvh - 18px); gap: 10px; padding: 14px; }
  .share-form { grid-template-columns: minmax(0,1fr); }
  .share-created-link > div { align-items: stretch; flex-direction: column; }
  .share-created-link .quiet-button { width: 100%; }
  .share-dialog .share-row { grid-template-columns: minmax(0,1fr); }
  .share-dialog .share-row > :last-child { justify-self: start; }
  .workflow-dialog-actions > button { min-height: 44px; }
}

/* STT NAS graphite and blue semantic theme */
:root {
  color-scheme: dark;
  --app-bg: #101318;
  --sidebar: #151b25;
  --surface: #1b222c;
  --surface-deep: #171e27;
  --surface-raised: #222b36;
  --surface-hover: #293443;
  --surface-accent: #202b3e;
  --line: #293443;
  --line-strong: #3a4a60;
  --line-soft: rgba(140,170,245,.16);
  --text: #e8edf5;
  --muted: #a3adbb;
  --subtle: #8491a3;
  --accent: #8caaf5;
  --accent-hover: #a3b9f4;
  --accent-soft: #c2d0f5;
  --accent-ink: #121a2b;
  --accent-tint: rgba(140,170,245,.14);
  --accent-border: rgba(140,170,245,.36);
  --accent-ring: rgba(140,170,245,.32);
  --focus-ring: 0 0 0 3px var(--accent-ring);
  --state-success: #75c99b;
  --state-success-text: #b9e7ce;
  --state-success-surface: #192820;
  --state-warning: #e5bd72;
  --state-warning-surface: #2a251b;
  --danger: #ef8984;
  --state-danger-surface: #2b1d22;
  --file-image: #d4b7f0;
  --file-video: #9ed4e2;
  --file-document: #f0bc8c;
  --shadow-panel: 0 1px 2px rgba(0,0,0,.32),0 10px 30px rgba(0,0,0,.22);
  --shadow-overlay: 0 22px 70px rgba(0,0,0,.62);
  --sidebar-width: 232px;
  background: var(--app-bg);
  color: var(--text);
}

html,body { background: var(--app-bg); color: var(--text); }
::selection { color: var(--text); background: var(--accent-tint); }
a { color: var(--accent); }
button:disabled,input:disabled,select:disabled { opacity: .52; }
:where(a,button,input,select,textarea,[tabindex]):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; box-shadow: var(--focus-ring); }
.auth-screen { background: var(--app-bg); }
.auth-visual { border-color: var(--line); background: var(--surface-deep); }
.visual-caption,.auth-copy,.auth-check,.auth-footnote,.field-hint,.brand-light { color: var(--muted); }
.auth-form label,.user-form label,.permissions-form label { color: var(--text); }
.auth-form input,.user-form input,.user-form select,.permissions-form textarea { border-color: var(--line-strong); color: var(--text); background: var(--surface-deep); }
.auth-form input:focus,.user-form input:focus,.user-form select:focus,.permissions-form textarea:focus { border-color: var(--accent); }
.auth-submit { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); }
.auth-submit:hover:not(:disabled) { border-color: var(--accent-hover); background: var(--accent-hover); }
.auth-message,.preview-error { color: #ffd3d0; }
.auth-footnote { border-color: var(--line); }
.app-shell { background: var(--app-bg); }
.sidebar { background: var(--sidebar); border-color: var(--line); }
.topbar { background: color-mix(in srgb,var(--app-bg) 94%,transparent); border-color: var(--line); }
.search-box,.search-box:focus-within,.folder-picker-search,.workflow-dialog-panel input,.share-dialog input { border-color: var(--line); background: var(--surface-deep); }
.search-box:focus-within,.folder-picker-search:focus-within { border-color: var(--accent); }
.new-button,.auth-submit { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); }
.new-button:hover,.auth-submit:hover:not(:disabled) { border-color: var(--accent-hover); background: var(--accent-hover); }
.auth-screen,.shared-screen { background: var(--app-bg); }
.auth-visual { border-color: var(--line); background: var(--surface-deep); }
.auth-visual::before { background-image: linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px); }
.visual-orbit,.core-ring { border-color: var(--accent-border); }
.orbit-one { box-shadow: 0 0 48px var(--accent-tint); }
.visual-core { border-color: var(--accent-border); background: var(--surface-raised); box-shadow: var(--shadow-panel); }
.core-glyph,.auth-kicker,.auth-mark { color: var(--accent); text-shadow: none; }
.brand-mark { color: var(--accent-ink); background: var(--accent); box-shadow: none; }
.planned-chip { color: var(--accent-soft); background: var(--surface-accent); }
.nav-item.active,.nav-item[aria-current="page"] { background: var(--surface-raised); box-shadow: inset 2px 0 var(--accent); }
.nav-item.active .nav-icon,.settings-mark,.folder-icon,.folder-picker-row svg,.list-icon.folder-icon { color: var(--accent); }
.nav-icon,.crumb-separator { color: var(--subtle); }
.status-dot { background: var(--state-success); box-shadow: none; }
.status-dot.pending { background: var(--state-warning); }
.connection-badge { border-color: var(--line); color: var(--muted); background: var(--surface); }
.view-button.selected,.view-button[aria-pressed="true"],.settings-tab.selected { color: var(--accent); border-color: var(--accent-border); background: var(--surface-accent); box-shadow: inset 0 -2px var(--accent); }
.file-action:hover:not(:disabled),.quiet-button:hover:not(:disabled) { color: var(--accent); border-color: var(--accent-border); background: var(--surface-hover); }
.read-only-note,.setup-callout,.request-policy { border-color: var(--accent-border); color: var(--muted); background: var(--surface-accent); }
.retry-button,.load-more { border-color: var(--line); color: var(--text); background: var(--surface-raised); }
.folder-icon,.file-icon.folder-icon { color: var(--accent); background: var(--surface-accent); }
.image-icon,.file-icon.image-icon { color: var(--file-image); }
.video-icon,.file-icon.video-icon { color: var(--file-video); }
.document-icon,.file-icon.document-icon { color: var(--file-document); }
.error-state,.preview-error { border-color: color-mix(in srgb,var(--danger) 40%,var(--line)); color: #ffd3d0; background: var(--state-danger-surface); }
.success,.success-state,.share-created-link { border-color: color-mix(in srgb,var(--state-success) 35%,var(--line)); color: var(--state-success-text); background: var(--state-success-surface); }
.settings-card,.settings-panel,.settings-mark,.share-row,.recycle-row,.request-upload-row,.user-card { border-color: var(--line); background: var(--surface); }
.workflow-dialog,.preview-dialog,.shared-card { border-color: var(--line-strong); color: var(--text); background: var(--surface); box-shadow: var(--shadow-overlay); }
.workflow-dialog::backdrop,.preview-dialog::backdrop { background: rgba(4,8,14,.78); backdrop-filter: blur(4px); }
.file-card-wrap { position: relative; min-width: 0; }
.file-card { width: 100%; border-color: var(--line); border-radius: var(--radius-card); background: var(--surface); transition: border-color var(--motion-fast),background var(--motion-fast),transform var(--motion-fast); }
.file-card:hover { border-color: var(--line-strong); background: var(--surface-raised); transform: translateY(-1px); }
.file-card.selected-item,.list-row.selected-item { border-color: var(--accent); background: color-mix(in srgb,var(--accent) 9%,var(--surface)); box-shadow: inset 0 0 0 1px var(--accent-border); }
.file-card,.list-row { user-select: none; -webkit-user-select: none; }
.file-preview { background: var(--surface-raised); }
.file-card.folder .file-preview { background: var(--surface-accent); }
.file-icon { color: var(--muted); border-color: var(--line-strong); background: var(--surface-hover); }
.file-name,.list-name { color: var(--text); }
.file-meta,.muted-cell,.list-header { color: var(--muted); }
.file-list { border-color: var(--line); background: var(--surface); }
.list-header,.list-row { border-color: var(--line); }
.list-row:hover { background: var(--surface-raised); }
.file-grid { align-items: stretch; }
.item-more { position: absolute; z-index: 2; top: 8px; right: 8px; width: 36px; height: 36px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 9px; color: var(--text); background: rgba(21,27,37,.92); opacity: 0; cursor: pointer; transition: opacity var(--motion-fast),background var(--motion-fast),border-color var(--motion-fast); }
.item-more:hover,.item-more:focus-visible { border-color: var(--accent-border); background: var(--surface-accent); }
.file-card-wrap:hover .item-more,.file-card-wrap:focus-within .item-more { opacity: 1; }
.item-more.list-item-more { top: 50%; right: 6px; transform: translateY(-50%); }
.list-row-wrap { position: relative; min-width: 0; }
.list-row { padding-right: 52px; }
.list-header,.list-row { grid-template-columns: minmax(0,2fr) minmax(90px,.8fr) minmax(115px,1fr) minmax(82px,.7fr) 42px; }
.file-context-menu { width: min(272px,calc(100vw - 16px)); max-width: calc(100vw - 16px); max-height: calc(100dvh - 16px); overflow: auto; overscroll-behavior: contain; padding: 5px; border: 1px solid var(--line-strong); border-radius: 11px; color: var(--text); background: var(--surface-raised); box-shadow: var(--shadow-overlay); }
.file-context-menu[hidden] { display: none !important; }
.context-menu-summary { padding: 9px 10px; color: var(--muted); font-size: 12px; }
.context-menu-item,.file-context-menu .file-action { width: 100%; min-height: 42px; display: flex; align-items: center; padding: 8px 10px; border: 0; border-radius: 7px; color: var(--text); background: transparent; font-size: 13px; text-align: left; text-decoration: none; cursor: pointer; }
.context-menu-item:hover,.file-context-menu .file-action:hover { color: var(--text); background: var(--surface-hover); }
#context-mutations { padding-top: 5px; margin-top: 5px; border-top: 1px solid var(--line); }
.file-region [role="option"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (hover:none),(max-width:768px) {
  .item-more { width: 44px; height: 44px; opacity: 1; }
}
@media (max-width:650px) {
  .list-header { display: none; }
  .list-row-wrap { margin: 7px 0; }
  .list-row { min-height: 68px; grid-template-columns: minmax(0,1fr); gap: 6px; margin: 0; padding: 10px 54px 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
  .list-row>:nth-child(3) { display: block; }
  .list-row>:nth-child(2),.list-row>:nth-child(4) { padding-left: 34px; }
  .item-more.list-item-more { right: 4px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Sign-in status and account recovery */
.auth-system-status { min-width: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: -8px 0 22px; }
.auth-status-pill { min-width: 0; min-height: 34px; display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--surface); font-size: 12px; line-height: 1.35; }
.auth-status-pill > svg { width: 15px; height: 15px; flex: 0 0 auto; fill: none; stroke: var(--accent); stroke-width: 1.7; }
.auth-status-pill > .status-dot { width: 7px; height: 7px; flex: 0 0 auto; }
.auth-status-pill[data-state="ready"] { border-color: color-mix(in srgb,var(--state-success) 34%,var(--line)); }
.auth-status-pill[data-state="error"] { border-color: color-mix(in srgb,var(--danger) 45%,var(--line)); }
.auth-recovery { justify-self: end; min-height: 44px; padding: 4px 2px; border: 0; color: var(--accent-soft); background: transparent; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; cursor: pointer; }
.auth-recovery:hover,.auth-recovery:focus-visible { color: var(--text); text-decoration-color: currentColor; }
.auth-recovery-dialog { width: min(560px,calc(100vw - 24px)); }
.auth-recovery-dialog .workflow-dialog-panel { grid-template-rows: auto auto auto auto; gap: 16px; }
.auth-recovery-copy { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.auth-recovery-step { display: grid; gap: 8px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-raised); }
.auth-recovery-step strong { color: var(--text); font-size: 14px; }
.auth-recovery-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.auth-recovery-step code { display: block; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); background: var(--surface-deep); font-size: 13px; overflow-wrap: anywhere; }
.auth-recovery-dialog .workflow-dialog-actions { justify-content: flex-end; }
.auth-recovery-dialog .auth-submit { min-width: 120px; justify-content: center; }
.password-toggle { width: 44px; min-height: 44px; inset: 1px 1px 1px auto; }
.storage-ready { color: var(--muted); font-size: 11px; }
.storage-ready[data-state="ready"] { color: var(--state-success); }
.storage-ready[data-state="error"] { color: var(--state-warning); }

@media (max-width: 768px) {
  .auth-system-status { gap: 6px; margin: 0 0 20px; }
  .auth-status-pill { min-height: 36px; padding-inline: 9px; font-size: 12px; }
  .auth-recovery-dialog { max-height: calc(100dvh - 16px); }
}

/* Compact responsive file browsing; all device zoom remains browser-controlled. */
.item-more { font-size: 0; border-color: transparent; color: var(--muted); background: transparent; }
.item-more svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.file-card,.list-row,.file-card-wrap,.list-row-wrap { min-width: 0; }
@media (max-width: 768px) {
  .content { padding-inline: clamp(12px,3vw,22px); }
  .nav-list { gap: 6px; }
  .nav-item { min-height: 44px; padding-inline: 6px; font-size: 12px; }
  .nav-icon { width: 16px; height: 16px; }
  .topbar { gap: 8px; padding-inline: 12px; }
  .mobile-brand .brand-mark { width: 24px; height: 24px; font-size: 14px; }
  .search-box { min-width: 0; height: 42px; gap: 7px; padding-inline: 9px; }
  .search-box .icon-inline { width: 16px; height: 16px; }
  .search-box input,.auth-form input,.user-form input,.user-form select,.permissions-form textarea,
  .workflow-dialog input,.workflow-dialog select,.workflow-dialog textarea,.folder-picker-search input,
  .share-dialog input { font-size: 16px; }
  .logout-button { min-height: 44px; padding-inline: 10px; }
  .breadcrumbs { min-width: 0; gap: 6px; margin-block: 8px; }
  .toolbar { align-items: center; gap: 8px; }
  .toolbar-left { min-width: 0; }
  .file-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .file-preview { height: clamp(76px,18vw,96px); }
  .file-icon { width: 40px; height: 40px; border-radius: 11px; }
  .file-icon svg { width: 20px; height: 20px; }
  .item-more { width: 44px; height: 44px; opacity: 1; border-color: transparent; border-radius: 11px; background: transparent; }
  .item-more svg { width: 16px; height: 16px; }
  .view-button { width: 42px; min-height: 44px; }
  .file-action,.quiet-button,.settings-tab,.select-wrap select { min-height: 44px; }
  .list-row { min-width: 0; }
  .read-only-note { display: flex !important; align-items: flex-start; margin: 2px 0 8px; padding: 7px 9px; font-size: 12px; line-height: 1.45; }
  #upload-files:disabled,#upload-folder:disabled { display: none; }
}
@media (max-width: 480px) {
  .content { padding: 16px 12px 22px; }
  .heading-row { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 8px; }
  .heading-row h1 { font-size: clamp(22px,6vw,26px); }
  .connection-badge { max-width: 44vw; min-height: 32px; gap: 6px; padding: 5px 8px; font-size: 11px; }
  .toolbar { grid-template-columns: minmax(0,1fr) auto; }
  .toolbar-left { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 6px; }
  .toolbar-left > *, .select-wrap { min-width: 0; width: 100%; }
  .toolbar-left .file-action { min-height: 44px; padding: 6px 8px; font-size: 12px; white-space: normal; }
  .select-wrap select { width: 100%; min-width: 0; padding: 5px 22px 5px 8px; font-size: 12px; }
  .view-switch { gap: 2px; padding: 2px; }
  .view-button { width: 38px; }
  .file-card { border-radius: 11px; }
  .file-card:hover { transform: none; }
  .file-card-body { gap: 5px; padding: 9px; }
  .file-name { font-size: 13px; line-height: 1.35; }
  .file-meta { gap: 3px 7px; font-size: 11px; }
  .preview-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); padding: 10px; }
  .preview-content { min-height: 140px; max-height: calc(100dvh - 172px); }
  .preview-content iframe { height: calc(100dvh - 190px); }
  .preview-content img,.preview-content video { max-height: calc(100dvh - 190px); }
}
@media (max-width: 360px) {
  .content { padding-inline: 10px; }
  .file-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
  .file-preview { height: 74px; }
  .file-card-body { padding: 8px; }
  .file-meta { flex-direction: column; align-items: flex-start; }
  .toolbar { grid-template-columns: minmax(0,1fr) auto; }
  .toolbar-left { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .view-button { width: 36px; }
  .heading-row { grid-template-columns: minmax(0,1fr) auto; }
  .connection-badge { max-width: 42vw; font-size: 10px; }
}

/* Preview overlay: one compact action row, with responsive controls and an uncluttered canvas. */
.preview-dialog { width: min(98vw,1800px); height: min(94dvh,1100px); max-width: none; max-height: none; display: flex; flex-direction: column; gap: 0; padding: 0; overflow: hidden; border-radius: 14px; }
.preview-dialog:not([open]) { display: none; }
.preview-actions { min-height: 52px; flex: 0 0 52px; display: flex; align-items: center; gap: 8px; padding: 4px 10px; border-bottom: 1px solid var(--line); background: var(--surface); }
.preview-title-block { min-width: 80px; flex: 1 1 180px; display: grid; gap: 2px; overflow: hidden; }
.preview-title-block strong { min-width: 0; overflow: hidden; color: var(--text); font-size: 14px; font-weight: 560; text-overflow: ellipsis; white-space: nowrap; }
.preview-title-block .muted-cell { min-width: 0; overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.preview-control-group,.preview-primary-actions { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 4px; }
.preview-primary-actions { margin-left: auto; }
.preview-icon-button { width: 44px; min-width: 44px; height: 44px; min-height: 44px; display: inline-grid; place-items: center; padding: 0; border: 1px solid transparent; border-radius: 9px; color: var(--text); background: transparent; text-decoration: none; cursor: pointer; }
.preview-icon-button:hover,.preview-icon-button:focus-visible,.preview-icon-button[aria-pressed="true"],.preview-icon-button[aria-expanded="true"] { border-color: var(--line); background: var(--surface-raised); }
.preview-icon-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.preview-icon-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.preview-icon-button[hidden] { display: none; }
.preview-info-panel { flex: 0 0 auto; display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 10px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; background: var(--surface); }
.preview-info-panel[hidden] { display: none; }
.preview-info-panel:focus { outline: none; }
.preview-content { min-width: 0; min-height: 0; max-height: none; flex: 1 1 auto; overflow: auto; overscroll-behavior: contain; border-radius: 0; }
.preview-content .preview-image,.preview-content video { max-width: 100%; max-height: 100%; object-fit: contain; }
.preview-content .preview-image { transform-origin: center; cursor: zoom-in; touch-action: pan-x pan-y pinch-zoom; user-select: none; }
.preview-content .preview-image[style*="scale(1."] { cursor: grab; }
.preview-content .preview-image.is-panning { cursor: grabbing; }
.preview-content video { width: min(100%,1600px); height: 100%; background: #070a0e; }
.preview-content iframe { width: 100%; height: 100%; min-height: 0; flex: 1 1 auto; }
.preview-dialog:fullscreen { width: 100vw; height: 100dvh; margin: 0; border: 0; border-radius: 0; }
.preview-dialog:fullscreen .preview-content { border-radius: 0; }
@media (max-width: 600px) {
  .preview-dialog { width: calc(100vw - 12px); height: calc(100dvh - 12px); border-radius: 11px; }
  .preview-actions { min-height: 52px; flex-basis: auto; flex-wrap: wrap; gap: 2px 5px; padding: 3px 6px; }
  .preview-title-block { flex: 1 1 calc(100% - 190px); }
  .preview-primary-actions { gap: 0; }
  .preview-icon-button { width: 40px; min-width: 40px; height: 40px; min-height: 40px; }
  .preview-icon-button svg { width: 18px; height: 18px; }
  .preview-control-group { gap: 1px; }
  #preview-zoom-controls { margin-inline: auto; }
  .preview-info-panel { gap: 5px 12px; padding: 8px 10px; font-size: 11px; }
  .preview-content { min-height: 120px; }
  .preview-content video { width: 100%; height: auto; max-height: 100%; }
}
@media (max-width: 360px) {
  .preview-actions { column-gap: 2px; }
  .preview-title-block { flex-basis: calc(100% - 172px); }
  .preview-icon-button { width: 38px; min-width: 38px; height: 40px; min-height: 40px; }
  .preview-control-group { gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .preview-icon-button { transition: none; }
}

.operation-name-dialog { width: min(520px,calc(100vw - 24px)); }
.operation-name-dialog .workflow-dialog-panel { gap: 12px; }
.operation-name-dialog .workflow-dialog-panel>label { color: var(--text); font-size: 13px; font-weight: 550; }
.operation-name-dialog input { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-control); color: var(--text); background: var(--surface-deep); font: inherit; }
.operation-name-dialog input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.operation-name-dialog .workflow-dialog-actions { justify-content: flex-end; }
#drive-content { position: relative; }
.drop-overlay { position: absolute; z-index: 20; inset: 120px 8px 8px; display: grid; place-content: center; gap: 12px; border: 2px dashed var(--accent); border-radius: 16px; color: var(--text); background: color-mix(in srgb,var(--surface) 94%,transparent); text-align: center; pointer-events: none; }
.drop-overlay[hidden] { display: none; }
.drop-overlay svg { width: 30px; height: 30px; justify-self: center; fill: none; stroke: var(--accent); stroke-width: 1.6; }
.drop-overlay span { font-size: 16px; font-weight: 550; }
.transfer-queue { display: grid; gap: 10px; margin: 8px 0 16px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.transfer-queue[hidden] { display: none; }
.transfer-queue-head { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.transfer-queue-head>div { min-width: 0; display: grid; gap: 3px; }
.transfer-queue-head h2 { margin: 0; color: var(--text); font-size: 14px; font-weight: 600; }
.transfer-queue-items { min-width: 0; display: grid; gap: 8px; }
.transfer-row { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 5px 12px; padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-raised); }
.transfer-name,.transfer-destination,.transfer-progress,.transfer-details,.transfer-message { min-width: 0; grid-column: 1 / 2; overflow-wrap: anywhere; }
.transfer-name { color: var(--text); font-size: 13px; font-weight: 550; }
.transfer-destination,.transfer-details,.transfer-message { color: var(--muted); font-size: 11px; line-height: 1.4; }
.transfer-progress { width: 100%; height: 8px; accent-color: var(--accent); }
.transfer-status { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--muted); font-size: 11px; white-space: nowrap; }
.transfer-status.is-complete { color: var(--state-success); }
.transfer-status.is-failed { color: var(--state-warning); }
.transfer-status.is-cancelled { color: var(--muted); }
.transfer-message { grid-column: 1 / -1; }
.transfer-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; }
.transfer-actions .quiet-button { min-height: 36px; padding: 6px 10px; font-size: 12px; }
@media (max-width: 600px) {
  .drop-overlay { inset: 98px 2px 2px; }
  .transfer-queue { margin-block: 6px 12px; padding: 9px; }
  .transfer-row { gap: 5px 8px; padding: 9px; }
  .operation-name-dialog { max-height: calc(100dvh - 20px); }
  .operation-name-dialog .workflow-dialog-actions button { min-height: 44px; }
}