/* ══════════════════════════════════════════════════════════════════════
   MABEL Data Studio — dark editorial-glass console.
   Tokens lifted from website/assets/mabel.css + teleop-app.css so the Studio
   reads as the same product (warm neutrals, rust accent, frosted glass).
══════════════════════════════════════════════════════════════════════ */
:root{
  --accent:#C25B2A; --accent-dim:#8B3F1D; --accent-soft:#f0b68b;
  --live:#3FB56B; --warn:#E9A679; --danger:#D23B2A;
  --bg:#0d0c0b; --bg-2:#151311; --ink:#efeae3; --ink-soft:#cfc8be;
  --ash:#97908a; --ash-dim:#6b655f;
  --glass:rgba(242,238,230,.055); --glass-2:rgba(242,238,230,.10);
  --glass-bd:rgba(242,238,230,.14); --glass-bd-2:rgba(242,238,230,.22);
  --hairline:rgba(242,238,230,.09);
  --hi:inset 0 1px 0 rgba(242,238,230,.14), inset 0 0 0 1px rgba(242,238,230,.03);
  --sh:0 20px 44px -22px rgba(0,0,0,.6);
  --font-serif:'Instrument Serif',Georgia,serif;
  --font:'Geist',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'Geist Mono','SFMono-Regular',Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1); --spring:cubic-bezier(.34,1.56,.64,1);
  --r-sm:9px; --r-md:14px; --r-lg:20px;
  --browser-w:268px; --dock-w:300px; --stage-split:58%; --tl-h:230px; --plots-h:128px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:13px;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 800px at 70% -10%,rgba(194,91,42,.07),transparent 60%);}
button{font-family:var(--font);color:inherit;cursor:pointer;border:none;background:none}
.hidden{display:none!important}
.eyebrow,.mono{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:10.5px}

/* ── grid shell ───────────────────────────────────────────────────────── */
.studio{
  display:grid;height:100vh;
  grid-template-columns:var(--browser-w) 6px 1fr 6px var(--dock-w);
  grid-template-rows:50px 1fr var(--plots-h) 6px var(--tl-h);
  grid-template-areas:
    "top    top    top    top   top"
    "browser bs    center ds    dock"
    "plots  plots  plots  plots plots"
    "tls    tls    tls    tls   tls"
    "timeline timeline timeline timeline timeline";
}
.topbar{grid-area:top}
.browser{grid-area:browser}
.center{grid-area:center}
.dock{grid-area:dock}
.plots{grid-area:plots}
.timeline{grid-area:timeline}
.vsplit[data-split="browser"]{grid-area:bs}
.vsplit[data-split="dock"]{grid-area:ds}
.hsplit[data-split="timeline"]{grid-area:tls}

/* ── splitters ────────────────────────────────────────────────────────── */
.vsplit,.hsplit{position:relative;z-index:5}
.vsplit{cursor:col-resize}
.hsplit{cursor:row-resize;height:6px}
.vsplit::after,.hsplit::after{content:"";position:absolute;inset:0;background:transparent;transition:background .15s}
.vsplit:hover::after{background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.6}
.hsplit:hover::after{background:linear-gradient(180deg,transparent,var(--accent),transparent);opacity:.6}
.hsplit[data-split="stage"]{height:6px}

/* ── top bar ──────────────────────────────────────────────────────────── */
.topbar{display:flex;align-items:center;gap:18px;padding:0 16px;
  border-bottom:1px solid var(--hairline);background:rgba(13,12,11,.7);
  backdrop-filter:saturate(160%) blur(16px)}
.brand{display:flex;align-items:baseline;gap:8px}
.brand .mark{font-family:var(--font);font-weight:700;letter-spacing:.04em;font-size:15px}
.brand .sub{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--accent-soft);line-height:1}
.transport{display:flex;align-items:center;gap:6px;margin:0 auto}
.tbtn{width:30px;height:28px;border-radius:8px;background:var(--glass);
  border:1px solid var(--glass-bd);font-size:11px;display:grid;place-items:center;
  transition:.15s var(--ease);box-shadow:var(--hi)}
.tbtn:hover{background:var(--glass-2);border-color:var(--glass-bd-2)}
.tbtn.play{width:38px;color:var(--bg);background:var(--ink);font-size:12px}
.tbtn.play.on{background:var(--live)}
.tbtn.on{color:var(--accent);border-color:var(--accent)}
.speed{font-family:var(--mono);font-size:11px;padding:5px 9px;border-radius:8px;
  background:var(--glass);border:1px solid var(--glass-bd);cursor:pointer;min-width:34px;text-align:center}
.tc{font-family:var(--mono);font-size:11.5px;color:var(--ash);min-width:128px;text-align:right}
.topright{display:flex;align-items:center;gap:10px}
.conn{color:var(--ash-dim);font-size:11px}
.conn.ok{color:var(--live)} .conn.bad{color:var(--danger)}
.gbtn{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:9px 14px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-bd);
  box-shadow:var(--hi);transition:.18s var(--ease)}
.gbtn:hover{background:var(--glass-2)}
.gbtn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.gbtn.primary:hover{background:var(--accent-dim)}

/* ── panels ───────────────────────────────────────────────────────────── */
.panel-h{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:10px;
  color:var(--ash);padding:11px 14px 8px;position:sticky;top:0;display:flex;align-items:center;justify-content:space-between}
.lib-refresh{font-size:13px;color:var(--ash);width:22px;height:22px;border-radius:7px;
  background:var(--glass);border:1px solid var(--glass-bd);transition:.15s var(--ease)}
.lib-refresh:hover{color:var(--accent);transform:rotate(90deg)}
.browser,.dock{background:rgba(20,18,16,.5);overflow:hidden;display:flex;flex-direction:column;
  border-right:1px solid var(--hairline)}
.dock{border-right:none;border-left:1px solid var(--hairline)}
.browser-body{overflow:auto;padding:0 10px 14px;flex:1}

/* library cards */
.lib-ds{margin-top:6px}
.lib-ds-h{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-soft);padding:8px 4px 6px;display:flex;justify-content:space-between}
.ep-card{display:flex;gap:9px;padding:8px;border-radius:var(--r-sm);margin-bottom:6px;
  background:var(--glass);border:1px solid var(--glass-bd);box-shadow:var(--hi);
  transition:.16s var(--ease);cursor:grab}
.ep-card:hover{background:var(--glass-2);border-color:var(--glass-bd-2);transform:translateY(-1px)}
.ep-card .thumb{width:56px;height:38px;border-radius:6px;object-fit:cover;background:#000;flex:none}
.ep-card .meta{min-width:0;flex:1}
.ep-card .task{font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ep-card .nums{font-family:var(--mono);font-size:10px;color:var(--ash);margin-top:3px}
.ep-card .add{align-self:center;font-size:16px;color:var(--accent);opacity:0;transition:.15s}
.ep-card:hover .add{opacity:1}

/* ── center ───────────────────────────────────────────────────────────── */
.center{display:grid;grid-template-rows:var(--stage-split) 6px 1fr;overflow:hidden;min-width:0}
.viewport3d{position:relative;overflow:hidden;background:
  radial-gradient(120% 100% at 50% 0%,#161310,#0b0a09)}
.viewport3d canvas{display:block;width:100%;height:100%}
.vp-toggles{position:absolute;top:10px;left:10px;display:flex;flex-wrap:wrap;gap:6px;z-index:3;max-width:70%}
.vp-chip{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 10px;border-radius:999px;background:rgba(20,18,16,.6);border:1px solid var(--glass-bd);
  color:var(--ash);backdrop-filter:blur(12px) saturate(1.5);transition:.15s var(--ease)}
.vp-chip:hover{color:var(--ink)}
.vp-chip.on{color:var(--bg);background:var(--accent-soft);border-color:var(--accent-soft)}
.vp-hint{position:absolute;bottom:10px;left:10px;font-family:var(--mono);font-size:10.5px;color:var(--ash-dim);
  background:rgba(20,18,16,.5);padding:5px 10px;border-radius:8px;backdrop-filter:blur(10px)}

.videowall{display:grid;gap:6px;padding:8px;overflow:auto;align-content:start;
  grid-template-columns:repeat(auto-fill,minmax(190px,1fr));background:#0b0a09}
.cam-tile{position:relative;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;
  background:#000;border:1px solid var(--glass-bd)}
.cam-tile img,.cam-tile canvas{width:100%;height:100%;object-fit:cover;display:block}
.cam-tag{position:absolute;top:6px;left:6px;font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink);background:rgba(0,0,0,.45);padding:3px 7px;border-radius:6px;
  backdrop-filter:blur(6px)}
.cam-tile .closec{position:absolute;top:5px;right:6px;color:var(--ink);background:rgba(0,0,0,.45);
  width:18px;height:18px;border-radius:6px;font-size:11px;line-height:18px;text-align:center;opacity:0;transition:.15s}
.cam-tile:hover .closec{opacity:1}
.videowall .empty{grid-column:1/-1;color:var(--ash-dim);font-family:var(--mono);font-size:11px;
  text-align:center;padding:30px;text-transform:uppercase;letter-spacing:.1em}

/* ── dock ─────────────────────────────────────────────────────────────── */
.dock-tabs{display:flex;gap:2px;padding:8px 8px 0}
.dock-tab{flex:1;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  padding:8px;border-radius:8px 8px 0 0;color:var(--ash);transition:.15s}
.dock-tab.on{color:var(--ink);background:var(--glass)}
.dock-body{flex:1;overflow:auto;padding:10px}
.dock-pane{display:none} .dock-pane.on{display:block}
.topic-grp{margin-bottom:4px}
.topic-grp>summary{list-style:none;cursor:pointer;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--accent-soft);padding:7px 4px;display:flex;
  align-items:center;gap:7px}
.topic-grp>summary::-webkit-details-marker{display:none}
.topic-row{display:flex;align-items:center;gap:8px;padding:5px 4px 5px 20px;font-size:12px;color:var(--ink-soft)}
.topic-row input{accent-color:var(--accent)}
.topic-row .tv{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--ash)}
.inspector dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:12px}
.inspector dt{color:var(--ash);font-family:var(--mono);font-size:10.5px}
.inspector dd{text-align:right;font-family:var(--mono);font-size:11px}

/* ── plots ────────────────────────────────────────────────────────────── */
.plots{background:rgba(11,10,9,.9);border-top:1px solid var(--hairline);
  display:flex;flex-direction:column;overflow:hidden}
.plots-head{display:flex;align-items:center;gap:14px;padding:7px 14px}
.plots-title{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ash)}
.plots-legend{font-family:var(--mono);font-size:10px;color:var(--ash);display:flex;align-items:center;gap:4px}
.plots-legend i{width:10px;height:10px;border-radius:2px;display:inline-block}
.plots-legend i.meas{background:var(--accent)} .plots-legend i.tgt{background:var(--accent-soft);height:3px}
.plots-hint{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--ash-dim)}
.plots canvas{flex:1;width:100%;min-height:0;display:block;cursor:crosshair}
.seg{display:inline-flex;gap:2px;padding:3px;border-radius:11px;background:rgba(20,18,16,.62);
  border:1px solid var(--glass-bd)}
.seg button{font-family:var(--mono);font-size:10px;padding:3px 10px;border-radius:8px;color:var(--ash);text-transform:lowercase}
.seg button.on{background:var(--ink);color:var(--bg)}

/* ── timeline ─────────────────────────────────────────────────────────── */
.timeline{background:rgba(15,13,11,.96);border-top:1px solid var(--hairline);
  display:flex;flex-direction:column;overflow:hidden}
.tl-toolbar{display:flex;align-items:center;gap:14px;padding:7px 12px;border-bottom:1px solid var(--hairline)}
.tl-name{font-family:var(--serif);font-style:italic;font-size:17px;color:var(--ink-soft)}
.tl-tools{margin-left:auto;display:flex;align-items:center;gap:6px}
.tl-tools button{font-family:var(--mono);font-size:10px;letter-spacing:.05em;padding:6px 10px;border-radius:8px;
  background:var(--glass);border:1px solid var(--glass-bd);color:var(--ash);transition:.15s}
.tl-tools button:hover{color:var(--ink);background:var(--glass-2)}
.tl-tools button.on{color:var(--accent);border-color:var(--accent)}
.tl-zoom{display:inline-flex;gap:2px;margin-left:6px}
.tl-scroll{position:relative;flex:1;overflow-x:auto;overflow-y:hidden;background:
  repeating-linear-gradient(90deg,transparent,transparent 59px,var(--hairline) 59px,var(--hairline) 60px)}
.tl-ruler{position:sticky;top:0;left:0;display:block;height:26px;z-index:2;width:100%}
.tl-tracks{position:relative}
.tl-track{position:relative;height:74px;border-bottom:1px solid var(--hairline)}
.tl-track .lane-tag{position:absolute;left:6px;top:5px;font-family:var(--mono);font-size:9px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ash-dim);z-index:1;pointer-events:none}
.clip{position:absolute;top:8px;height:58px;border-radius:8px;overflow:hidden;cursor:grab;
  background:linear-gradient(180deg,rgba(194,91,42,.34),rgba(139,63,29,.30));
  border:1px solid rgba(240,182,139,.4);box-shadow:0 8px 18px -10px rgba(0,0,0,.7),var(--hi);
  transition:box-shadow .15s,border-color .15s}
.clip:hover{border-color:var(--accent-soft)}
.clip.sel{border-color:var(--accent-soft);box-shadow:0 0 0 1.5px var(--accent-soft),0 10px 22px -10px rgba(0,0,0,.8)}
.clip .clip-label{position:absolute;top:5px;left:8px;right:8px;font-size:11px;font-weight:500;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}
.clip .clip-sub{position:absolute;bottom:5px;left:8px;font-family:var(--mono);font-size:9px;color:rgba(255,255,255,.7);pointer-events:none}
.clip .thumb-strip{position:absolute;inset:20px 0 0;display:flex;opacity:.5;pointer-events:none}
.clip .thumb-strip img{height:100%;flex:1;object-fit:cover;min-width:0}
.clip .edge{position:absolute;top:0;bottom:0;width:9px;cursor:ew-resize;z-index:2}
.clip .edge.l{left:0} .clip .edge.r{right:0}
.clip .edge::after{content:"";position:absolute;top:40%;bottom:40%;width:2px;border-radius:2px;
  background:rgba(255,255,255,.5);left:50%;transform:translateX(-50%)}
.trim-preview{position:fixed;z-index:60;display:none;width:216px;border-radius:10px;overflow:hidden;
  background:#000;border:1px solid var(--accent-soft);box-shadow:0 18px 40px -16px rgba(0,0,0,.8);pointer-events:none}
.trim-preview img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.trim-preview .tp-cap{font-family:var(--mono);font-size:10px;color:var(--ink);padding:4px 8px;background:rgba(20,18,16,.9)}
.tl-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--accent);z-index:6;pointer-events:none;
  box-shadow:0 0 8px rgba(194,91,42,.8)}
.tl-playhead::before{content:"";position:absolute;top:0;left:-5px;border:6px solid transparent;
  border-top-color:var(--accent);border-bottom:none}
.tl-snapline{position:absolute;top:0;bottom:0;width:1px;background:var(--accent-soft);z-index:5;opacity:.7;pointer-events:none}

/* ── toast ────────────────────────────────────────────────────────────── */
.toast{position:fixed;bottom:calc(var(--tl-h) + 18px);left:50%;transform:translateX(-50%) translateY(20px);
  background:rgba(20,18,16,.92);border:1px solid var(--glass-bd-2);box-shadow:var(--sh);
  padding:11px 18px;border-radius:12px;font-size:12.5px;opacity:0;pointer-events:none;z-index:50;
  backdrop-filter:blur(16px);transition:.3s var(--spring)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--danger);color:#ffd9d2}
.toast.ok{border-color:var(--live)}

.help-overlay{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;
  background:rgba(8,7,6,.6);backdrop-filter:blur(6px)}
.help-overlay.show{display:flex}
.help-card{background:rgba(20,18,16,.96);border:1px solid var(--glass-bd-2);border-radius:18px;
  padding:24px 28px;box-shadow:var(--sh);max-width:460px}
.help-card h3{font-family:var(--serif);font-style:italic;font-weight:400;font-size:24px;margin-bottom:14px;color:var(--accent-soft)}
.help-grid{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;align-items:center}
.help-grid kbd{font-family:var(--mono);font-size:11px;background:var(--glass);border:1px solid var(--glass-bd);
  border-radius:6px;padding:3px 8px;text-align:center;color:var(--ink)}
.help-grid span{font-size:12.5px;color:var(--ink-soft)}
.help-foot{margin-top:16px;font-family:var(--mono);font-size:10px;color:var(--ash-dim);text-align:center}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(242,238,230,.12);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:rgba(242,238,230,.22)}
::-webkit-scrollbar-track{background:transparent}