/* BearDrive viewer — near-black, hairline-crafted, honey accent.
   Design language: Linear-grade restraint; the one accent (honey) is spent
   only on active state, the live/brand mark, and the palette selection. */
:root {
  --bg: #0a0b0d;              /* main ground */
  --bg-side: #0c0e10;         /* sidebar / panels */
  --bg-raise: #15171b;        /* palette, modals, elevated cards */
  --surface: rgba(255,255,255,.03); /* inputs, ghost buttons */
  --hover: rgba(255,255,255,.06);   /* row / control hover */
  --border: rgba(255,255,255,.07);
  --border-2: rgba(255,255,255,.11);
  --code-bg: #0d0f12;

  --text: #eef0f3;
  --text-dim: #9aa0a9;        /* AA on both grounds */
  --text-faint: #868b93;      /* ≥4.5:1 on near-black */
  --text-ghost: #666b74;      /* decorative icons only */

  --accent: #f5a623;          /* honey */
  --accent-bright: #ffcf85;   /* honey text / primary hover */
  --accent-dim: #d3861a;
  --accent-press: #e0951a;
  --glow: rgba(245,166,35,.13);
  --add: #4cc38a;
  --del: #f26d6d;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;

  --r-ctl: 7px;
  --r-card: 10px;
  --r-over: 14px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  display: flex;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.5 var(--ui);
  letter-spacing: -.006em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--glow); color: var(--accent-bright); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-radius: 5px; }
.sprite { position: absolute; }
.ico {
  width: 16px; height: 16px; flex: none;
  stroke: currentColor; stroke-width: 1.6; fill: none;
  stroke-linecap: round; stroke-linejoin: round;
}
button, input, a.btn { font-family: inherit; }

/* ---- sidebar ---- */
#sidebar {
  width: 264px; min-width: 210px;
  background: var(--bg-side);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
#vault {
  display: flex; align-items: center; gap: 9px;
  height: 52px; padding: 0 12px 0 14px;
  border-bottom: 1px solid var(--border);
}
#vault-badge {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  display: grid; place-items: center; font-size: 13px; line-height: 1;
  background: linear-gradient(160deg, #ffcf85, #f5a623 55%, #d3861a);
  box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 2px 6px -1px rgba(245,166,35,.4);
}
#vault-name { font-weight: 600; font-size: 13px; letter-spacing: -.01em; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vault-actions { display: flex; align-items: center; gap: 4px; }
#signout, .icon-btn2 {
  width: 28px; height: 28px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-ghost); background: transparent; border: none; cursor: pointer; text-decoration: none;
}
#signout:hover, .icon-btn2:hover { color: var(--text); background: var(--hover); }
#signout .ico, .icon-btn2 .ico { width: 16px; height: 16px; }
.adminbar {
  display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 9px; border-radius: var(--r-ctl);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--accent-bright); font-size: 11.5px; font-weight: 600; cursor: pointer;
}
.adminbar:hover { background: var(--glow); border-color: transparent; }

/* projects */
#projects { flex: none; max-height: 32%; overflow-y: auto; padding: 10px 8px 8px; border-bottom: 1px solid var(--border); }
.nav-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px; font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--text-ghost); }
.nav-add { display: grid; place-items: center; width: 18px; height: 18px; border: none; background: transparent; color: var(--text-ghost); cursor: pointer; border-radius: 5px; }
.nav-add .ico { width: 14px; height: 14px; }
.nav-add:hover { color: var(--text); background: var(--hover); }
#projects ul { list-style: none; margin: 0; padding: 0; }
#projects .row {
  display: flex; align-items: center; gap: 9px;
  height: 31px; padding: 0 8px; border-radius: 7px;
  color: var(--text-dim); cursor: pointer; position: relative;
  white-space: nowrap; overflow: hidden;
}
.proj-mark {
  width: 17px; height: 17px; border-radius: 5px; flex: none;
  display: grid; place-items: center; font-size: 10px; font-weight: 700;
  color: #0a0b0d; letter-spacing: -.02em; text-transform: uppercase;
}
#projects .row .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
#projects .row:hover { background: var(--hover); color: var(--text); }
#projects .row.active { background: var(--glow); color: var(--accent-bright); }
#projects .row.active::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px; border-radius: 2px; background: var(--accent); }

/* file tree */
#tree { flex: 1; overflow-y: auto; padding: 8px 8px 24px; }
#tree ul { list-style: none; margin: 0; padding-left: 13px; position: relative; }
#tree > ul { padding-left: 0; }
#tree ul ul::before { content: ""; position: absolute; left: 5px; top: 0; bottom: 0; width: 1px; background: var(--border); }
#tree li > .row {
  display: flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 8px; border-radius: 7px;
  color: var(--text-dim); cursor: pointer; position: relative;
  white-space: nowrap; overflow: hidden;
}
#tree li > .row:hover { background: var(--hover); color: var(--text); }
#tree li > .row.active { background: var(--glow); color: var(--accent-bright); }
#tree li > .row.active::before { content: ""; position: absolute; left: 0; top: 5px; bottom: 5px; width: 2px; border-radius: 2px; background: var(--accent); }
#tree .chev { width: 14px; height: 14px; flex: none; color: var(--text-ghost); transition: transform .12s; display: flex; align-items: center; justify-content: center; }
#tree .chev .ico { width: 13px; height: 13px; }
#tree .ticon { flex: none; display: flex; color: var(--text-ghost); }
#tree .ticon .ico { width: 15px; height: 15px; }
#tree li > .row:hover .ticon, #tree li > .row:hover .chev { color: var(--text-faint); }
#tree li > .row.active .ticon, #tree li > .row.active .chev { color: var(--accent); }
#tree .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
#tree .file .label { font-size: 12.5px; }
#tree .file .chev { visibility: hidden; }
#tree li.collapsed > ul { display: none; }
#tree li.collapsed > .row .chev { transform: rotate(-90deg); }
.dir-history {
  margin-left: auto; flex: none; visibility: hidden;
  width: 24px; height: 24px; border-radius: 5px;
  display: inline-flex; align-items: center; justify-content: center; color: var(--text-ghost);
}
.dir-history .ico { width: 14px; height: 14px; }
#tree li > .row:hover .dir-history { visibility: visible; }
.dir-history:hover { color: var(--text); background: var(--hover); }

/* org bar */
#orgbar { display: flex; align-items: center; gap: 9px; padding: 9px 12px 9px 14px; border-top: 1px solid var(--border); }
#org-name {
  flex: 1; min-width: 0; display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-dim); font-size: 12.5px; font-weight: 500; cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#org-name::before {
  content: ""; width: 15px; height: 15px; flex: none; border-radius: 4px;
  background: linear-gradient(160deg, #ffcf85, #d3861a); opacity: .85;
}
#org-name:hover { color: var(--text); }
#invite-btn {
  flex: none; height: 27px; padding: 0 11px; border-radius: var(--r-ctl);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-dim); font-size: 12px; font-weight: 500; cursor: pointer;
}
#invite-btn:hover { background: var(--hover); color: var(--text); border-color: var(--border-2); }

/* ---- main pane ---- */
#main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
#topbar {
  position: relative; display: flex; align-items: center; gap: 9px;
  height: 52px; padding: 0 16px; border-bottom: 1px solid var(--border);
}
.icon-btn { display: none; width: 34px; height: 34px; border: none; background: transparent; color: var(--text-dim); cursor: pointer; border-radius: 7px; align-items: center; justify-content: center; }
.icon-btn:hover { color: var(--text); background: var(--hover); }
#crumb { font-size: 12.5px; color: var(--text); font-weight: 500; letter-spacing: -.01em; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#crumb .crumb-seg { color: var(--text-dim); cursor: pointer; }
#crumb .crumb-seg:hover { color: var(--accent-bright); }
#crumb .crumb-sep { color: var(--text-ghost); margin: 0 5px; }
#meta { flex: 1; min-width: 0; font-size: 12px; color: var(--text-faint); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  height: 30px; padding: 0 11px; border-radius: var(--r-ctl);
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-dim); font-size: 12.5px; font-weight: 500; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--hover); color: var(--text); border-color: var(--border-2); }
.btn .ico { width: 15px; height: 15px; }
.btn.ghost { color: var(--text-dim); }
#search-btn kbd {
  font: 11px var(--ui); color: var(--text-faint);
  background: var(--hover); border: 1px solid var(--border-2); border-radius: 5px;
  padding: 1px 5px; margin-left: 2px;
}
#more-menu {
  position: absolute; right: 12px; top: calc(100% - 4px); z-index: 80;
  background: var(--bg-raise); border: 1px solid var(--border-2);
  border-radius: var(--r-card); box-shadow: 0 18px 44px -14px rgba(0,0,0,.75);
  padding: 6px; min-width: 168px;
}
.more-item { display: block; width: 100%; text-align: left; min-height: 40px; padding: 0 12px; background: transparent; border: none; cursor: pointer; color: var(--text); font: inherit; font-size: 13.5px; border-radius: var(--r-ctl); }
.more-item:hover { background: var(--hover); }

#content { flex: 1; overflow-y: auto; padding: 44px 40px 110px; scroll-behavior: smooth; }
.empty { color: var(--text-faint); text-align: center; margin-top: 22vh; }
.empty-hint { display: block; margin-top: 6px; font-size: 12px; color: var(--text-ghost); }

/* ---- onboarding ---- */
.onboard { max-width: 560px; margin: 8vh auto 0; }
.onboard h1 { font-size: 25px; font-weight: 640; letter-spacing: -.02em; margin: 0 0 8px; color: #f4f6f9; }
.onboard > p { color: var(--text-dim); margin: 0 0 28px; font-size: 14px; }
.ob-card { background: var(--bg-side); border: 1px solid var(--border); border-radius: var(--r-card); padding: 20px 22px; margin-bottom: 14px; }
.ob-card h3 { margin: 0 0 6px; font-size: 14.5px; font-weight: 600; }
.ob-card p { margin: 0 0 14px; font-size: 13px; color: var(--text-dim); }
.ob-row { display: flex; gap: 9px; }
.ob-row input { flex: 1; height: 34px; padding: 0 12px; border-radius: var(--r-ctl); border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-size: 13px; outline: none; }
.ob-row input:focus { border-color: var(--accent); background: var(--hover); }

/* primary + secondary buttons */
.pbtn { display: inline-flex; align-items: center; gap: 6px; flex: none; height: 32px; padding: 0 14px; border-radius: var(--r-ctl); border: none; background: var(--accent); color: #241704; font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.pbtn:hover { background: var(--accent-bright); }
.pbtn .ico { width: 15px; height: 15px; }
.danger-btn { display: inline-flex; align-items: center; height: 32px; padding: 0 14px; border-radius: var(--r-ctl); border: none; background: #b3382e; color: #fff; font-size: 13px; font-weight: 600; cursor: pointer; }
.danger-btn:hover { background: #c94336; }

/* ---- admin panels ---- */
.admin { max-width: 760px; }
.admin h1 { font-size: 21px; font-weight: 640; letter-spacing: -.02em; margin: 0 0 6px; color: #f4f6f9; }
.admin h3 { font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-ghost); font-weight: 600; margin: 30px 0 10px; }
.admin-sub { color: var(--text-dim); font-size: 13.5px; margin: 0 0 6px; line-height: 1.55; }
.admin-h { display: flex; align-items: center; justify-content: space-between; margin: 30px 0 10px; }
.admin-h h3 { margin: 0; }
.admin-row { display: flex; gap: 9px; margin-bottom: 8px; }
.admin-row input { flex: 1; height: 34px; padding: 0 12px; border-radius: var(--r-ctl); border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-size: 13px; outline: none; }
.admin-row input:focus { border-color: var(--accent); background: var(--hover); }
.admin-list { border: 1px solid var(--border); border-radius: var(--r-card); overflow: hidden; background: var(--bg-side); }
.admin-item { display: flex; align-items: center; gap: 11px; padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.admin-item:last-child { border-bottom: none; }
.admin-item:hover { background: rgba(255,255,255,.015); }
.ai-main { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.ai-main.mono { font: 12px var(--mono); color: var(--text-dim); cursor: pointer; }
.ai-tag { font-size: 11.5px; color: var(--text-faint); flex: none; }
.admin-item select { height: 28px; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 0 8px; font: inherit; font-size: 12.5px; cursor: pointer; }
.admin-item select:hover { border-color: var(--border-2); }
.ai-btn, .ai-del { flex: none; height: 27px; padding: 0 11px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text-dim); font: inherit; font-size: 12px; font-weight: 500; cursor: pointer; }
.ai-btn:hover { background: var(--hover); color: var(--text); border-color: var(--border-2); }
.ai-del { color: var(--del); border-color: transparent; background: transparent; }
.ai-del:hover { background: rgba(242,109,109,.12); color: #ff8b8b; }
.admin-empty { padding: 14px; color: var(--text-faint); font-size: 13px; }
.admin-item.toggle { cursor: pointer; align-items: flex-start; }
.admin-item.toggle .ai-main { white-space: normal; }
.tg-label { font-size: 13.5px; font-weight: 550; color: var(--text); }
.tg-desc { font-size: 12px; color: var(--text-faint); margin-top: 3px; line-height: 1.5; }
.admin-item.toggle input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--accent); flex: none; }

/* ---- folder listing ---- */
.dirlist { max-width: 704px; margin: 0 auto; }
.dl-title { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 640; letter-spacing: -.02em; margin: 0 0 4px; color: #f4f6f9; }
.dl-title-icon { display: flex; color: var(--accent); }
.dl-title-icon .ico { width: 20px; height: 20px; }
.dl-sub { color: var(--text-faint); font-size: 12.5px; margin: 0 0 18px; }
.dl-items { border: 1px solid var(--border); border-radius: var(--r-card); overflow: hidden; background: var(--bg-side); }
.dl-row { display: flex; align-items: center; gap: 11px; padding: 10px 14px; border-bottom: 1px solid var(--border); cursor: pointer; }
.dl-row:last-child { border-bottom: none; }
.dl-row:hover { background: var(--hover); }
.dl-row .ticon { flex: none; display: flex; color: var(--text-ghost); }
.dl-row .ticon .ico { width: 16px; height: 16px; }
.dl-row:hover .ticon { color: var(--text-faint); }
.dl-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13.5px; color: var(--text); }
.dl-meta { flex: none; font-size: 12px; color: var(--text-faint); font-variant-numeric: tabular-nums; }
.dl-empty { padding: 24px 14px; color: var(--text-faint); font-size: 13px; border: 1px dashed var(--border); border-radius: var(--r-card); text-align: center; }
.dl-h3 { margin: 28px 0 8px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-ghost); font-weight: 600; }
.dl-hlist { border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-side); overflow: hidden; max-width: none; }
.dl-hlist .hentry:last-child { border-bottom: none; }
.dl-more { margin-top: 10px; }

/* ---- history ---- */
.history { max-width: 860px; }
.hentry { padding: 11px 12px; border-bottom: 1px solid var(--border); }
.hentry:hover { background: rgba(255,255,255,.015); }
.hline { display: flex; gap: 10px; align-items: center; }
.hkind { display: inline-flex; color: var(--add); }
.hkind .ico { width: 13px; height: 13px; }
.hentry.edit .hkind { color: var(--accent); }
.hentry.delete .hkind { color: var(--del); }
.htag { flex: none; font-size: 10px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; padding: 1px 6px; border-radius: 4px; }
.hentry.add .htag { color: var(--add); background: rgba(76,195,138,.12); }
.hentry.edit .htag { color: var(--accent-bright); background: var(--glow); }
.hentry.delete .htag { color: #ff8b8b; background: rgba(242,109,109,.12); }
.hpath { font-weight: 500; cursor: pointer; color: var(--text); font-size: 13px; }
.hpath:hover { color: var(--accent-bright); }
.htime { margin-left: auto; color: var(--text-faint); font-size: 12px; font-variant-numeric: tabular-nums; }
.hmeta { display: flex; gap: 14px; margin-top: 4px; padding-left: 23px; font-size: 12px; color: var(--text-dim); }
.hdev, .hsize { color: var(--text-faint); }
.hsize { font-variant-numeric: tabular-nums; }
.hact { margin-left: auto; }
.hact a { color: var(--accent-bright); text-decoration: none; margin-left: 10px; }
.hact a:hover { text-decoration: underline; }
.hnote { margin-top: 4px; padding-left: 23px; font-size: 12px; color: var(--text-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hnote::before { content: "› "; color: var(--text-ghost); }
.hnote a { color: var(--accent-bright); text-decoration: none; }
.hnote a:hover { text-decoration: underline; }

/* ---- command palette ---- */
#palette-overlay { position: fixed; inset: 0; background: rgba(6,7,9,.62); backdrop-filter: blur(3px); display: flex; justify-content: center; align-items: flex-start; padding-top: 12vh; z-index: 100; }
#palette { width: min(560px, 92vw); background: var(--bg-raise); border: 1px solid var(--border-2); border-radius: var(--r-over); box-shadow: 0 24px 70px -18px rgba(0,0,0,.8); overflow: hidden; }
#palette-inputwrap { display: flex; align-items: center; gap: 11px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
#palette-inputwrap .ico { width: 17px; height: 17px; color: var(--text-faint); }
#palette-input { flex: 1; width: 100%; border: none; background: transparent; color: var(--text); font: inherit; font-size: 15px; letter-spacing: -.01em; outline: none; padding: 0; }
#palette-input::placeholder { color: var(--text-ghost); }
#palette-results { list-style: none; margin: 0; padding: 8px; max-height: 46vh; overflow-y: auto; }
#palette-results li { display: flex; align-items: center; gap: 11px; height: 38px; padding: 0 10px; border-radius: 9px; cursor: pointer; color: var(--text-dim); font-size: 13.5px; }
#palette-results li.selected { background: var(--glow); }
#palette-results li.selected .picon { color: var(--accent); }
#palette-results li.selected .plabel { color: var(--accent-bright); }
#palette-results li.selected .plabel b { color: var(--accent-bright); }
#palette-results li .picon { width: 18px; flex: none; display: flex; justify-content: center; color: var(--text-faint); }
#palette-results li .picon .ico { width: 15px; height: 15px; }
#palette-results li .plabel { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
#palette-results li .plabel b { color: var(--accent-bright); font-weight: 600; }
#palette-results li .pkind { flex: none; font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-ghost); }
#palette-results .pempty { color: var(--text-faint); cursor: default; justify-content: center; height: auto; padding: 14px; }
#palette-hint { padding: 9px 16px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-ghost); }

/* ---- modal ---- */
.modal-back { position: fixed; inset: 0; background: rgba(6,7,9,.6); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; z-index: 150; padding: 20px; }
.modal { background: var(--bg-raise); border: 1px solid var(--border-2); border-radius: var(--r-over); padding: 22px 24px; width: min(460px, 100%); box-shadow: 0 24px 70px -18px rgba(0,0,0,.8); }
.modal h3 { margin: 0 0 10px; font-size: 16px; font-weight: 620; letter-spacing: -.01em; }
.modal p { margin: 0 0 16px; font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }
.modal p b { color: var(--text); }
.modal-url { font: 12px var(--mono); background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-ctl); padding: 9px 11px; color: var(--text-dim); word-break: break-all; margin-bottom: 16px; }
.modal-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.modal-label { display: block; font-size: 12.5px; color: var(--text-dim); margin: 0 0 6px; }
.modal-msg { margin: 0 0 16px; font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }
.modal-input { width: 100%; height: 36px; padding: 0 12px; border-radius: var(--r-ctl); border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-size: 14px; margin-bottom: 16px; outline: none; }
.modal-input:focus { border-color: var(--accent); background: var(--hover); }

/* ---- toast ---- */
#toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--bg-raise); color: var(--text); border: 1px solid var(--border-2); border-radius: 10px; padding: 11px 18px; font-size: 13.5px; box-shadow: 0 18px 44px -12px rgba(0,0,0,.7); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 200; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { border-color: rgba(242,109,109,.5); color: #ffb0aa; }

#sb-backdrop { display: none; }

/* ---- responsive ---- */
@media (max-width: 760px) {
  #sidebar { position: fixed; z-index: 60; top: 0; left: 0; height: 100%; transform: translateX(-100%); transition: transform .2s ease; box-shadow: 0 0 40px rgba(0,0,0,.6); }
  body.sb-open #sidebar { transform: translateX(0); }
  body.sb-open #sb-backdrop { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 50; }
  .icon-btn { display: inline-flex; width: 44px; height: 44px; }
  #content { padding: 24px 18px 70px; }
  #topbar { padding: 0 8px; gap: 4px; }
  #search-btn kbd, .btn .lbl { display: none; }
  #topbar .btn { min-width: 44px; min-height: 44px; padding: 0; justify-content: center; gap: 0; }
  #topbar .btn .ico { width: 18px; height: 18px; }
  #more-btn:not([hidden]) { display: inline-flex; }
  #history-btn, #upload-btn, #download { display: none !important; }
  #meta { display: none; }
  #vault { padding: 0 8px 0 12px; }
  .icon-btn2, #signout, .adminbar { min-width: 44px; min-height: 44px; }
  #tree li > .row, #projects .row { height: 44px; }
  #invite-btn { min-height: 40px; padding: 0 14px; }
  #org-name { min-height: 44px; }
  .nav-add { min-width: 44px; min-height: 44px; }
  .markdown, .admin, .onboard, .history, .dirlist { max-width: 100%; }
  .markdown table, pre.plain { display: block; overflow-x: auto; max-width: 100%; }
  .ob-row { flex-direction: column; }
}

/* ---- markdown reading view ---- */
.markdown { max-width: 704px; margin: 0 auto; }
.markdown h1, .markdown h2, .markdown h3, .markdown h4 { color: #f4f6f9; line-height: 1.25; letter-spacing: -.018em; margin: 1.5em 0 .5em; text-wrap: balance; }
.markdown h1:first-child { margin-top: 0; }
.markdown h1 { font-size: 1.85em; font-weight: 660; letter-spacing: -.024em; }
.markdown h2 { font-size: 1.32em; font-weight: 620; margin-top: 1.7em; }
.markdown h3 { font-size: 1.08em; font-weight: 620; }
.markdown p, .markdown li { color: #c6cbd3; font-size: 14.5px; line-height: 1.72; }
.markdown p { margin: 0 0 1em; }
.markdown strong { color: var(--text); font-weight: 620; }
.markdown a { color: var(--accent-bright); text-decoration: none; border-bottom: 1px solid rgba(245,166,35,.28); }
.markdown a:hover { border-bottom-color: var(--accent); }
.markdown ul, .markdown ol { margin: 0 0 1em; padding-left: 1.4em; }
.markdown li { margin-bottom: .4em; }
.markdown li::marker { color: var(--text-ghost); }
.markdown code { background: var(--hover); border: 1px solid var(--border); padding: .1em .4em; border-radius: 5px; font: 12.5px/1.5 var(--mono); color: #e4d9c4; }
.markdown pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--r-card); padding: 14px 16px; overflow-x: auto; margin: 1.3em 0; }
.markdown pre code { background: none; border: none; padding: 0; color: #c6cbd3; }
.markdown blockquote { margin: 1.3em 0; padding: .3em 1em; border-left: 2px solid var(--accent); background: linear-gradient(90deg, var(--glow), transparent); border-radius: 0 8px 8px 0; color: #d8cdb6; }
.markdown blockquote p { margin: .3em 0; color: #d8cdb6; }
.markdown table { border-collapse: collapse; margin: 1.3em 0; font-size: 13.5px; }
.markdown th, .markdown td { border-bottom: 1px solid var(--border); padding: 9px 13px; text-align: left; }
.markdown th { color: var(--text-faint); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; border-bottom-color: var(--border-2); }
.markdown tr:hover td { background: rgba(255,255,255,.02); }
.markdown img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.markdown hr { border: none; border-top: 1px solid var(--border); margin: 2.2em 0; }
.markdown input[type="checkbox"] { accent-color: var(--accent); }

/* plain file / binary views */
pre.plain { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--r-card); padding: 14px 16px; overflow-x: auto; font: 12.5px/1.6 var(--mono); color: #c6cbd3; white-space: pre-wrap; overflow-wrap: anywhere; max-width: 900px; }
#content.markdown { min-width: 0; } /* let long unbreakable lines wrap, not blow out the column */
.filecard { margin-top: 15vh; text-align: center; color: var(--text-dim); }
.filecard .name { font-size: 1.2em; color: var(--text); margin-bottom: .3em; }
.filecard .btn { margin-top: 14px; }