/* Order/Flow Desk — "Night session": graphite, muted coral/mint for bid/ask, one amber accent. */
:root {
  --bg: #121416;
  --side: #0d0f10;
  --panel: #16191b;
  --well: #0b0d0e;
  --raise: #1d2124;
  --line: #23272a;
  --line2: #2b3034;
  --text: #d6d8da;
  --soft: #b4b9bd;
  --muted: #9ba1a6;
  --dim: #7c8287;
  --white: #fff;
  --amber: #f0b23a;
  --amber-ink: #121416;
  --bid: #ff8a6b;
  --bid-bg: #3a1d17;
  --ask: #7fd6a2;
  --ask-bg: #173022;
  --ok: #5c8f6e;
  --sans: "Instrument Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: var(--amber); color: var(--amber-ink); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.mono { font-family: var(--mono); }
.dim { color: var(--dim); }
.hidden { display: none !important; }

/* ---- shell ------------------------------------------------------------------------------- */
.shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }
.shell.with-aside { grid-template-columns: 236px minmax(0, 1fr) 312px; }
.side { background: var(--side); border-right: 1px solid var(--line); padding: 18px 14px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; }
.brand { display: block; font: 700 16px var(--sans); font-stretch: 85%; letter-spacing: .03em; text-transform: uppercase; color: var(--white); text-decoration: none; padding: 0 6px; }
.brand span { color: var(--amber); }
.ticker { margin: 14px 6px 0; display: grid; gap: 2px; font: 11.5px var(--mono); color: var(--dim); }
.ticker div { display: flex; justify-content: space-between; gap: 6px; }
.ticker b { color: var(--text); font-weight: 400; }
.ticker .up { color: var(--ask); } .ticker .down { color: var(--bid); }
.ticker .sim { font-size: 10px; letter-spacing: .08em; }
.prog { margin: 16px 6px 0; }
.prog .bar { height: 3px; background: var(--line); }
.prog .bar i { display: block; height: 3px; background: var(--amber); width: 0; transition: width .4s; }
.prog .t { font: 11px var(--mono); color: var(--dim); margin-top: 6px; }
.nav { margin-top: 16px; display: grid; gap: 1px; }
.nav a { display: flex; justify-content: space-between; align-items: center; padding: 7px 8px; border-radius: 4px; color: var(--muted); text-decoration: none; font-size: 14px; }
.nav a:hover { color: var(--white); background: #15181a; }
.nav a.on { color: var(--white); background: var(--raise); box-shadow: inset 2px 0 var(--amber); }
.nav .count { font: 11px var(--mono); color: var(--dim); }
.nav .live { width: 6px; height: 6px; border-radius: 50%; background: var(--ask); box-shadow: 0 0 0 3px #7fd6a222; }
.side-sec { margin-top: 18px; }
.side-h { font: 600 11px var(--sans); color: var(--dim); text-transform: uppercase; letter-spacing: .07em; padding: 0 8px; margin: 14px 0 4px; }
.les { display: flex; justify-content: space-between; gap: 8px; padding: 5px 8px; margin: 1px 0; border-radius: 4px; color: var(--muted); text-decoration: none; font-size: 13px; line-height: 1.35; }
.les:hover { color: var(--white); }
.les.done { color: #c4c8cb; }
.les.done::after { content: "✓"; color: var(--ok); }
.les.on { background: var(--raise); color: var(--white); box-shadow: inset 2px 0 var(--amber); }
.me { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.me-row { display: flex; align-items: center; gap: 9px; padding: 4px 6px; }
.me-row .who { min-width: 0; flex: 1; }
.me-row .who b { display: block; font-weight: 600; font-size: 13.5px; color: var(--white); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me-row .who span { font: 11px var(--mono); color: var(--dim); }
.demo-note { margin: 10px 6px 0; font-size: 11.5px; color: var(--dim); line-height: 1.45; }
.demo-note button { background: none; border: 0; padding: 0; color: var(--muted); text-decoration: underline; text-underline-offset: 2px; font-size: inherit; }

.main { min-width: 0; }
.page { max-width: 820px; padding: 30px 40px 80px; }
.page.wide { max-width: 1120px; }
.aside { border-left: 1px solid var(--line); background: var(--side); position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; min-width: 0; }

.topbar { display: none; }
@media (max-width: 1180px) {
  .shell.with-aside { grid-template-columns: 236px minmax(0, 1fr); }
  .shell.with-aside .aside { display: none; }
  .shell.with-aside .aside.open { display: flex; position: fixed; right: 0; top: 0; bottom: 0; width: min(360px, 100vw); z-index: 40; box-shadow: -20px 0 40px #0008; }
}
@media (max-width: 820px) {
  .shell, .shell.with-aside { grid-template-columns: 1fr; }
  .side { display: none; position: fixed; inset: 0 auto 0 0; width: min(290px, 86vw); z-index: 50; box-shadow: 20px 0 40px #0009; }
  .side.open { display: flex; }
  .topbar { display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 30; background: var(--side); border-bottom: 1px solid var(--line); padding: 10px 16px; }
  .topbar .brand { padding: 0; font-size: 14px; }
  .topbar .tk { margin-left: auto; font: 11px var(--mono); color: var(--dim); }
  .page { padding: 22px 16px 70px; }
}
.icon-btn { background: none; border: 1px solid var(--line2); border-radius: 4px; padding: 5px 8px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.icon-btn:hover { color: var(--white); border-color: #3a4044; }
.aside-toggle { display: none !important; position: fixed; right: 16px; bottom: 16px; z-index: 30; box-shadow: 0 8px 24px #000a; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ask); }
.scrim { position: fixed; inset: 0; background: #0009; z-index: 35; }

/* ---- type ------------------------------------------------------------------------------- */
.kick { font: 12px var(--mono); color: var(--amber); letter-spacing: .02em; }
h1, h2, h3 { color: var(--white); margin: 0; }
h1 { font: 700 32px/1.1 var(--sans); font-stretch: 88%; letter-spacing: -.01em; margin: 6px 0 10px; }
.lede { color: var(--soft); font-size: 16px; max-width: 640px; margin: 0; }
.sec-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 36px 0 12px; }
.sec-h h2 { font: 700 18px var(--sans); font-stretch: 90%; }
.sec-h a, .sec-h .link { font: 12px var(--mono); color: var(--muted); text-decoration: none; background: none; border: 0; padding: 0; }
.sec-h a:hover { color: var(--amber); }

/* ---- controls --------------------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid var(--line2); background: var(--raise); color: var(--white); border-radius: 4px; padding: 8px 14px; font-weight: 600; font-size: 14px; text-decoration: none; line-height: 1.2; }
.btn:hover { border-color: #41474c; }
.btn.primary { background: var(--amber); border-color: var(--amber); color: var(--amber-ink); }
.btn.primary:hover { background: #f5c25d; }
.btn.ghost { background: none; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.danger { color: var(--bid); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.seg { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.seg button { background: none; border: 1px solid var(--line2); color: var(--dim); padding: 3px 8px; border-radius: 3px; font: 11.5px var(--mono); }
.seg button:hover { color: var(--text); }
.seg button.on { color: var(--amber-ink); background: var(--amber); border-color: var(--amber); }
input[type=text], input[type=password], input[type=number], input[type=url], textarea, select {
  background: var(--well); border: 1px solid var(--line2); border-radius: 4px; padding: 9px 11px; width: 100%; color: var(--text); }
input:focus, textarea:focus, select:focus { outline: none; border-color: #4a5156; }
textarea { resize: vertical; min-height: 70px; line-height: 1.5; }
label.f { display: grid; gap: 5px; font-size: 12.5px; color: var(--muted); }
.av { width: 30px; height: 30px; border-radius: 50%; flex: none; display: grid; place-items: center; font: 700 12px var(--sans); color: #121416; }
.av.sm { width: 24px; height: 24px; font-size: 10.5px; }
.av.lg { width: 40px; height: 40px; font-size: 15px; }
.badge { font: 700 9.5px var(--sans); text-transform: uppercase; letter-spacing: .05em; background: var(--amber); color: var(--amber-ink); padding: 1px 5px; border-radius: 2px; vertical-align: 2px; }
.badge.sim { background: none; color: var(--dim); border: 1px solid var(--line2); font-weight: 600; }
.badge.held { background: var(--bid-bg); color: var(--bid); }
.tag-link { color: var(--amber); text-decoration: none; }
.tag-link:hover { text-decoration: underline; }
.time { font: 11.5px var(--mono); color: var(--dim); }
.empty { color: var(--dim); font-size: 14px; padding: 22px 0; }
.err { color: var(--bid); font-size: 13px; }

/* ---- modal + toast ---------------------------------------------------------------------- */
.modal-bg { position: fixed; inset: 0; background: #000a; z-index: 80; display: grid; place-items: center; padding: 16px; }
.modal { background: var(--panel); border: 1px solid var(--line2); border-radius: 8px; width: min(440px, 100%); padding: 22px; box-shadow: 0 30px 60px #000a; max-height: 90vh; overflow: auto; }
.modal h2 { font: 700 20px var(--sans); font-stretch: 90%; margin-bottom: 6px; }
.modal p { color: var(--soft); font-size: 14px; margin: 0 0 14px; }
.modal .row { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.modal ul { color: var(--soft); font-size: 14px; padding-left: 18px; margin: 0 0 12px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: var(--raise); border: 1px solid var(--line2); color: var(--white); padding: 10px 16px; border-radius: 6px; font-size: 14px; z-index: 90; box-shadow: 0 10px 30px #0008; max-width: calc(100vw - 32px); }
.toast.bad { border-color: #5a2a20; color: var(--bid); }

/* ---- course home ------------------------------------------------------------------------ */
.resume { margin-top: 22px; display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--amber); padding: 16px 18px; border-radius: 4px; }
.resume .t { font: 12px var(--mono); color: var(--dim); }
.resume b { display: block; color: var(--white); font-size: 17px; margin-top: 2px; }
.mods { border-top: 1px solid var(--line); }
.mod { display: grid; grid-template-columns: 54px minmax(0, 1fr) 150px; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.mod .n { font: 600 22px var(--mono); color: var(--line2); }
.mod.started .n { color: var(--amber); }
.mod h3 { font: 700 17px var(--sans); font-stretch: 92%; }
.mod p { margin: 3px 0 10px; color: var(--muted); font-size: 14px; }
.mod ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 2px 18px; }
.mod li a { display: flex; gap: 8px; align-items: baseline; text-decoration: none; color: var(--soft); font-size: 14px; padding: 3px 0; }
.mod li a:hover { color: var(--white); }
.mod li a .m { font: 11px var(--mono); color: var(--dim); margin-left: auto; white-space: nowrap; }
.mod li a i { font-style: normal; font: 11px var(--mono); color: var(--line2); width: 12px; flex: none; }
.mod li.done a i { color: var(--ok); }
.mod .side-col { display: grid; align-content: start; gap: 8px; justify-items: end; text-align: right; }
.mod .side-col .pct { font: 12px var(--mono); color: var(--dim); }
.mod .quiz-link { font: 12px var(--mono); color: var(--muted); text-decoration: none; border: 1px solid var(--line2); padding: 4px 8px; border-radius: 3px; }
.mod .quiz-link:hover { color: var(--amber); border-color: var(--amber); }
@media (max-width: 700px) { .mod { grid-template-columns: 34px 1fr; } .mod .side-col { grid-column: 2; justify-items: start; text-align: left; grid-auto-flow: column; justify-content: start; } }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
@media (max-width: 1020px) { .split { grid-template-columns: 1fr; } }
.mentor-card { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 16px; }
.mentor-card .top { display: flex; gap: 12px; align-items: center; }
.mentor-card b { color: var(--white); }
.mentor-card p { color: var(--muted); font-size: 13.5px; margin: 10px 0 0; }
.stat-line { display: flex; gap: 18px; margin-top: 14px; font: 12px var(--mono); color: var(--dim); flex-wrap: wrap; }
.stat-line b { color: var(--text); font-weight: 400; }

/* ---- lesson ----------------------------------------------------------------------------- */
.lesson-h .meta { display: flex; gap: 14px; flex-wrap: wrap; font: 12px var(--mono); color: var(--dim); }
.prose { margin-top: 18px; }
.prose p, .prose li { font-size: 16px; line-height: 1.7; color: var(--soft); }
.prose p { margin: 0 0 16px; max-width: 660px; }
.prose h3 { font: 700 20px var(--sans); font-stretch: 90%; margin: 30px 0 10px; }
.prose ul, .prose ol { max-width: 640px; padding-left: 20px; margin: 0 0 16px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--white); font-weight: 600; }
.prose code { font: 13.5px var(--mono); background: var(--raise); padding: 1px 5px; border-radius: 3px; color: var(--text); }
.prose blockquote { margin: 20px 0; padding: 12px 16px; border-left: 2px solid var(--amber); background: #15181a; max-width: 660px; }
.prose blockquote p { margin: 0; color: var(--text); }
.video { position: relative; aspect-ratio: 16 / 9; background: var(--well); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin: 20px 0; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lesson-foot { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.lesson-foot .spacer { flex: 1; }
.lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.lesson-nav a { border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; text-decoration: none; color: var(--soft); font-size: 14px; }
.lesson-nav a:hover { border-color: var(--line2); color: var(--white); }
.lesson-nav a span { display: block; font: 11px var(--mono); color: var(--dim); }
.lesson-nav a.next { text-align: right; grid-column: 2; }
.disclaimer { margin-top: 26px; font-size: 12px; color: var(--dim); max-width: 660px; }

/* ---- widgets ---------------------------------------------------------------------------- */
.widget { margin: 22px 0; background: var(--well); border: 1px solid var(--line); border-radius: 6px; padding: 12px; position: relative; }
.widget .tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.widget .tools .sp { flex: 1; }
.widget .tools .lbl { font: 11px var(--mono); color: var(--dim); }
.widget canvas { display: block; width: 100%; }
.widget .cap { font: 11px var(--mono); color: var(--dim); margin-top: 8px; display: flex; gap: 12px; flex-wrap: wrap; justify-content: space-between; }
.widget .tip { position: absolute; pointer-events: none; background: var(--raise); border: 1px solid var(--line2); border-radius: 4px; padding: 7px 9px; font: 11.5px/1.5 var(--mono); color: var(--text); white-space: nowrap; z-index: 5; box-shadow: 0 8px 20px #0009; }
.widget .tip b { color: var(--white); font-weight: 600; }
.widget .scroll { overflow-x: auto; scrollbar-color: var(--line2) transparent; }
.widget .log { font: 11.5px var(--mono); color: var(--muted); margin-top: 8px; min-height: 18px; }
.widget .log b { color: var(--amber); font-weight: 400; }
.widget.compact { margin: 10px 0 0; padding: 10px; }
.sizer { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.sizer-out { margin-top: 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.sizer-out div { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; }
.sizer-out span { display: block; font: 11px var(--mono); color: var(--dim); }
.sizer-out b { font: 600 22px var(--mono); color: var(--white); }
.sizer-out small { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---- Q&A + comments --------------------------------------------------------------------- */
.qa { margin-top: 40px; }
.composer { display: grid; gap: 8px; }
.composer .row { display: flex; gap: 8px; justify-content: flex-end; align-items: center; }
.composer .row .hint { margin-right: auto; font-size: 12px; color: var(--dim); }
.q { padding: 14px 0; border-bottom: 1px solid var(--line); }
.q-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.q-head b { color: var(--white); font-weight: 600; font-size: 14px; }
.q-body { margin: 6px 0 0 38px; color: var(--soft); white-space: pre-wrap; word-wrap: break-word; font-size: 14.5px; }
.q .replies { margin: 10px 0 0 38px; border-left: 1px solid var(--line2); padding-left: 14px; display: grid; gap: 10px; }
.q .replies .q-body { margin-left: 32px; }
.answered { font: 600 10.5px var(--mono); color: var(--ask); }
.q-actions { margin: 6px 0 0 38px; display: flex; gap: 12px; }
.q-actions button, .linkish { background: none; border: 0; padding: 0; font: 12px var(--mono); color: var(--dim); }
.q-actions button:hover, .linkish:hover { color: var(--amber); }

/* ---- feed ------------------------------------------------------------------------------- */
.feed-tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 18px 0 8px; }
.post { border-bottom: 1px solid var(--line); padding: 18px 0; }
.post.pinned { background: linear-gradient(90deg, #f0b23a0d, transparent 60%); border-left: 2px solid var(--amber); padding-left: 14px; margin-left: -16px; }
.post-head { display: flex; gap: 10px; align-items: center; }
.post-head .who { min-width: 0; }
.post-head .who b { color: var(--white); font-weight: 600; }
.post-head .who .h { font: 12px var(--mono); color: var(--dim); }
.post-head .more { margin-left: auto; }
.post-body { margin: 10px 0 0 40px; color: var(--text); white-space: pre-wrap; word-wrap: break-word; font-size: 15px; }
.post .widget { margin: 12px 0 0 40px; }
.post-actions { margin: 12px 0 0 40px; display: flex; gap: 18px; align-items: center; }
.post-actions button { background: none; border: 0; padding: 0; color: var(--dim); font: 12.5px var(--mono); display: inline-flex; gap: 6px; align-items: center; }
.post-actions button:hover { color: var(--white); }
.post-actions button.liked { color: var(--amber); }
.post-comments { margin: 12px 0 0 40px; border-left: 1px solid var(--line2); padding-left: 14px; }
.post-comments .c { padding: 8px 0; }
.post-comments .c .q-body { margin-left: 32px; font-size: 14px; }
.compose-box { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; margin-top: 18px; }
.compose-box textarea { background: transparent; border: 0; padding: 4px 2px; min-height: 64px; }
.compose-box .attach { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 10px; margin-top: 6px; }
.compose-box .attach .lbl { font: 11px var(--mono); color: var(--dim); }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line2); border-radius: 3px; padding: 3px 8px; font: 11.5px var(--mono); color: var(--muted); background: none; }
.chip.on { border-color: var(--amber); color: var(--amber); }
.trend { display: flex; flex-wrap: wrap; gap: 6px; }
.side-box { border-top: 1px solid var(--line); padding: 16px 0; }
.side-box h3 { font: 600 11px var(--sans); text-transform: uppercase; letter-spacing: .07em; color: var(--dim); margin-bottom: 10px; }
.side-box .person { display: flex; gap: 9px; align-items: center; padding: 4px 0; font-size: 13.5px; }
.side-box .person span { margin-left: auto; font: 11px var(--mono); color: var(--dim); }

/* ---- chat ------------------------------------------------------------------------------- */
.chat { display: flex; flex-direction: column; min-height: 0; height: 100%; }
.chat-h { padding: 12px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; }
.chat-h .chans { display: flex; gap: 2px; overflow-x: auto; }
.chat-h .chans button { background: none; border: 0; padding: 4px 8px; border-radius: 3px; color: var(--dim); font: 12px var(--mono); white-space: nowrap; }
.chat-h .chans button.on { background: var(--raise); color: var(--white); }
.chat-h .chans button .dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--amber); margin-left: 4px; vertical-align: 2px; }
.chat-sub { padding: 7px 12px; font: 11px var(--mono); color: var(--ok); display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid #1a1d20; }
.chat-sub .topic { color: var(--dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msgs { flex: 1; overflow-y: auto; padding: 8px 0; min-height: 0; scrollbar-color: var(--line2) transparent; }
.msg { padding: 4px 12px; font-size: 13.5px; color: var(--soft); line-height: 1.45; word-wrap: break-word; position: relative; }
.msg:hover { background: #ffffff05; }
.msg b { color: var(--white); font-weight: 600; cursor: default; }
.msg b.m { color: var(--amber); }
.msg .time { margin-left: 6px; font-size: 10.5px; }
.msg.held { opacity: .6; }
.msg.mine b { color: var(--ask); }
.msg.new { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: #f0b23a14; } to { background: transparent; } }
.msg .del { position: absolute; right: 8px; top: 4px; display: none; background: none; border: 0; color: var(--dim); font: 11px var(--mono); }
.msg:hover .del { display: block; }
.msg-day { text-align: center; font: 10.5px var(--mono); color: var(--dim); margin: 10px 0 4px; }
.typing { padding: 0 12px; height: 18px; font: 11px var(--mono); color: var(--dim); }
.say { padding: 10px 12px 12px; border-top: 1px solid var(--line); }
.say form { display: flex; gap: 6px; }
.say input { background: var(--raise); border-color: transparent; }
.say .join-cta { font-size: 13px; color: var(--muted); display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.chat-notice { margin: 6px 12px; font-size: 12px; color: var(--bid); }
.floor-page { display: grid; grid-template-columns: 200px minmax(0, 1fr) 220px; height: 100vh; }
.floor-page .rail { border-right: 1px solid var(--line); padding: 16px 10px; overflow-y: auto; }
.floor-page .people { border-left: 1px solid var(--line); padding: 16px 12px; overflow-y: auto; }
.floor-page .rail button { display: flex; width: 100%; gap: 8px; align-items: center; background: none; border: 0; padding: 6px 8px; border-radius: 4px; color: var(--muted); font-size: 14px; text-align: left; }
.floor-page .rail button:hover { color: var(--white); }
.floor-page .rail button.on { background: var(--raise); color: var(--white); }
.floor-page .rail button .h { font-family: var(--mono); color: var(--dim); }
.floor-page .rail button .dot { margin-left: auto; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.floor-page .chat .msg { font-size: 14px; padding: 5px 18px; }
.floor-page .chat-h { padding: 14px 18px; }
.floor-page .chat-h h2 { font: 700 16px var(--mono); }
.floor-page .chat-h .topic { color: var(--dim); font-size: 13px; margin-left: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.floor-page .say { padding: 12px 18px 16px; }
.person-row { display: flex; gap: 8px; align-items: center; padding: 4px 2px; font-size: 13px; color: var(--soft); }
.person-row .on-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ask); margin-left: auto; }
@media (max-width: 1100px) { .floor-page { grid-template-columns: 180px minmax(0, 1fr); } .floor-page .people { display: none; } }
@media (max-width: 820px) {
  .floor-page { grid-template-columns: 1fr; height: calc(100vh - 51px); height: calc(100dvh - 51px); }
  .floor-page .rail { display: flex; gap: 4px; border-right: 0; border-bottom: 1px solid var(--line); padding: 8px; overflow-x: auto; }
  .floor-page .rail .side-h { display: none; }
  .floor-page .rail button { width: auto; white-space: nowrap; }
}

/* ---- quiz ------------------------------------------------------------------------------- */
.quiz-q { padding: 22px 0; border-bottom: 1px solid var(--line); }
.quiz-q .num { font: 12px var(--mono); color: var(--dim); }
.quiz-q h3 { font: 600 17px var(--sans); margin: 4px 0 12px; }
.choices { display: grid; gap: 6px; max-width: 620px; }
.choice { display: flex; gap: 10px; align-items: flex-start; text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; color: var(--soft); font-size: 14.5px; }
.choice:hover { border-color: var(--line2); color: var(--white); }
.choice .k { font: 600 12px var(--mono); color: var(--dim); width: 16px; flex: none; margin-top: 2px; }
.choice.sel { border-color: var(--amber); color: var(--white); }
.choice.sel .k { color: var(--amber); }
.choice.right { border-color: var(--ok); background: #14231a; color: var(--white); }
.choice.wrong { border-color: #6b3226; background: #23130f; }
.explain { margin-top: 10px; font-size: 14px; color: var(--soft); max-width: 620px; padding-left: 12px; border-left: 2px solid var(--line2); }
.explain.ok { border-color: var(--ok); } .explain.no { border-color: var(--bid); }
.score { display: flex; align-items: center; gap: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; margin-top: 22px; }
.score .big { font: 600 40px var(--mono); color: var(--amber); }
.hist { display: flex; gap: 4px; align-items: flex-end; height: 40px; }
.hist i { width: 10px; background: var(--line2); }
.hist i.top { background: var(--amber); }

/* ---- mentor ----------------------------------------------------------------------------- */
.preview-bar { background: #2a2110; border: 1px solid #4a3a17; color: #f5d389; border-radius: 4px; padding: 10px 14px; font-size: 13.5px; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-top: 16px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); border: 1px solid var(--line); border-radius: 4px; margin-top: 22px; }
.kpis div { padding: 14px 16px; border-right: 1px solid var(--line); }
.kpis div:last-child { border-right: 0; }
.kpis span { display: block; font: 11px var(--mono); color: var(--dim); }
.kpis b { font: 600 24px var(--mono); color: var(--white); }
.kpis small { font: 11px var(--mono); color: var(--dim); margin-left: 4px; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-top: 28px; overflow-x: auto; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px 14px; color: var(--dim); font-weight: 600; font-size: 14px; white-space: nowrap; }
.tabs button.on { color: var(--white); border-bottom-color: var(--amber); }
.tabs button .n { font: 11px var(--mono); margin-left: 5px; color: var(--amber); }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th { text-align: left; font: 600 11px var(--sans); text-transform: uppercase; letter-spacing: .06em; color: var(--dim); padding: 10px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--soft); }
.tbl td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
.tbl tr:hover td { background: #ffffff04; }
.meter { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; width: 90px; display: inline-block; vertical-align: middle; margin-left: 8px; }
.meter i { display: block; height: 100%; background: var(--ok); }
.meter.low i { background: var(--bid); }
.meter.mid i { background: var(--amber); }
.queue-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.queue-item .what { font: 11px var(--mono); color: var(--dim); }
.queue-item .reason { font: 600 11px var(--mono); color: var(--bid); }
.queue-item .body { margin-top: 4px; color: var(--soft); white-space: pre-wrap; word-wrap: break-word; }
.queue-item .body.masked { color: var(--dim); font-style: italic; }
.queue-item .acts { display: flex; gap: 6px; align-items: flex-start; flex-wrap: wrap; justify-content: flex-end; }
.editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-top: 14px; }
.editor textarea { min-height: 460px; font: 13px/1.6 var(--mono); }
.editor .pv { border: 1px solid var(--line); border-radius: 4px; padding: 14px 18px; max-height: 620px; overflow-y: auto; }
.editor .pv .prose { margin-top: 0; }
.editor .pv .prose p, .editor .pv .prose li { font-size: 14px; }
@media (max-width: 1000px) { .editor { grid-template-columns: 1fr; } }
.form-grid { display: grid; grid-template-columns: 2fr 1fr 110px; gap: 10px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

/* ---- DOM ladder ------------------------------------------------------------------------- */
.dom-wrap { display: flex; gap: 10px; align-items: flex-start; }
.dom { border-collapse: collapse; font: 11.5px var(--mono); flex: 1; min-width: 0; }
.dom th { font: 600 10px var(--sans); text-transform: uppercase; letter-spacing: .06em; color: var(--dim); padding: 0 8px 6px; text-align: center; }
.dom td { height: 19px; padding: 0 8px; text-align: center; color: var(--muted); border-bottom: 1px solid #15181a; white-space: nowrap; }
.dom td.tr { color: var(--dim); width: 22%; }
.dom td.p { color: var(--soft); width: 22%; background: #101315; }
.dom td.b { width: 28%; text-align: right; color: #f3b3a2; background: linear-gradient(to left, var(--bid-bg), var(--bid-bg)) right / 0% 100% no-repeat; }
.dom td.a { width: 28%; text-align: left; color: #b3e6c7; background: linear-gradient(to right, var(--ask-bg), var(--ask-bg)) left / 0% 100% no-repeat; }
.dom tr.best-bid td.b { color: var(--bid); font-weight: 600; }
.dom tr.best-ask td.a { color: var(--ask); font-weight: 600; }
.dom tr.best-bid td.p, .dom tr.best-ask td.p { color: var(--white); }
.dom tr.last td.p { box-shadow: inset 0 0 0 1px var(--amber); color: var(--amber); }
.tape { width: 132px; flex: none; font: 11.5px var(--mono); }
.tape-h { font: 600 10px var(--sans); text-transform: uppercase; letter-spacing: .06em; color: var(--dim); padding-bottom: 6px; text-align: center; }
.tape-rows { height: 399px; overflow: hidden; }
.tape-rows div { display: flex; justify-content: space-between; padding: 0 8px; height: 19px; line-height: 19px; }
.tape-rows .buy { color: var(--ask); } .tape-rows .sell { color: var(--bid); }
.tape-rows .big { font-weight: 700; }
.tape-rows .big.buy { background: var(--ask-bg); } .tape-rows .big.sell { background: var(--bid-bg); }
.widget.compact .tape { display: none; }
@media (max-width: 560px) { .tape { width: 104px; } .dom td { padding: 0 4px; } .dom td.tr { display: none; } .dom th:first-child { display: none; } }
.floor-page .chat-sub .topic { display: none; }

@media (max-width: 1180px) { .aside-toggle { display: inline-flex !important; } }
.close-aside { display: none; padding: 2px 7px; margin-left: 6px; }
@media (max-width: 1180px) { .close-aside { display: inline-flex; } }