/* ───────────────────── Ludeo × Decart · Moment Explainer ─────────────────────
   Dark "tactical readout" theme — house style from ludeo-map-profiler/docs/poc,
   carrying the Ludeo brand: gold #F5A623, white logo, coral signature.
   Bebas Neue (display) · JetBrains Mono (data) · Sora (body). All vendored offline. */

@font-face{font-family:'Bebas Neue';src:url(../fonts/bebas-neue-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url(../fonts/jetbrains-mono-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url(../fonts/jetbrains-mono-700.woff2) format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'Sora';src:url(../fonts/sora-300.woff2) format('woff2');font-weight:300;font-display:swap}
@font-face{font-family:'Sora';src:url(../fonts/sora-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Sora';src:url(../fonts/sora-600.woff2) format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Sora';src:url(../fonts/sora-700.woff2) format('woff2');font-weight:700;font-display:swap}

:root{
  --ink:#0a0c10; --ink2:#11141b; --panel:#141821; --panel2:#1a1f29; --stage:#070809;
  --line:rgba(245,166,35,.15); --line2:rgba(140,144,156,.16); --grid:rgba(120,140,170,.055);
  --gold:#F5A623; --gold-bright:#FFC24B; --gold-dim:#8a6f2e;
  --teal:#3fd6c4; --coral:#E8476C; --red:#ff6363; --ok:#36c08a;
  --text:#ece7d8; --muted:#8b909c; --muted2:#565b66;
  --disp:'Bebas Neue', 'Oswald', Impact, sans-serif;
  --mono:'JetBrains Mono', ui-monospace, Consolas, monospace;
  --body:'Sora', 'Helvetica Neue', Arial, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink); color:var(--text); font-family:var(--body); font-weight:300;
  line-height:1.6; min-height:100vh; display:flex; flex-direction:column;
  overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
/* blueprint grid + grain atmosphere */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(ellipse 130% 100% at 50% 0%,#000 30%,transparent 80%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--gold);color:#000}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:#262b36;border:2px solid var(--ink);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--gold-dim)}
.wrap{position:relative;z-index:1;max-width:1640px;margin:0 auto;width:100%}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
code{font-family:var(--mono)}

/* ───────────────────────── topbar ───────────────────────── */
.topbar{
  position:sticky;top:0;z-index:50;display:grid;grid-template-columns:auto 1fr auto;
  align-items:center;gap:24px;padding:11px 28px;
  background:rgba(10,12,16,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:11px}
.brand-logo{height:26px;width:auto;display:block}
.brand-x{color:var(--muted2);font-weight:600}
.brand-decart{font-family:var(--mono);font-weight:700;letter-spacing:.22em;font-size:13px;color:var(--text)}
.topbar-title{display:flex;align-items:center;gap:14px;justify-self:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.topbar-title .live{display:flex;align-items:center;gap:8px;color:var(--teal)}
.topbar-title .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal);animation:pulse 2s infinite}
.topbar-title .div{color:var(--muted2)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
@media(max-width:880px){.topbar-title{display:none}}
.moment-id{text-align:right;font-family:var(--mono)}
.moment-id .label{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted2)}
.moment-id code{font-size:11.5px;color:var(--gold)}

/* ───────────────────────── hero strip ───────────────────────── */
.hero{padding:30px 28px 10px}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--teal);display:flex;align-items:center;gap:13px;margin-bottom:14px}
.eyebrow::before{content:"";width:42px;height:1px;background:var(--teal)}
.hero h1{font-family:var(--disp);font-weight:400;font-size:clamp(40px,6vw,76px);line-height:.9;
  letter-spacing:.01em;text-transform:uppercase;color:var(--text)}
.hero h1 .glow{color:var(--gold);text-shadow:0 0 38px rgba(245,166,35,.4)}
.lede{max-width:680px;margin:16px 0 0;font-size:15px;color:#c4c1b6;font-weight:300}
.lede b{color:var(--gold-bright);font-weight:600}

/* ───────────────────────── deck layout ───────────────────────── */
.deck{flex:1;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(390px,1fr);gap:20px;
  padding:18px 28px 26px;align-items:start;max-width:1640px;width:100%;margin:0 auto;position:relative;z-index:1}
@media(max-width:1080px){.deck{grid-template-columns:1fr}}

/* section eyebrow used inside panels/rail */
.peyebrow{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted)}

/* ───────────────────────── media stage ───────────────────────── */
.stage-col{display:flex;flex-direction:column;gap:14px;min-width:0}
.video-stage{position:relative;background:var(--stage);border-radius:12px;aspect-ratio:16/9;
  overflow:hidden;border:1px solid var(--line);box-shadow:0 0 0 1px rgba(0,0,0,.4),0 18px 50px rgba(0,0,0,.5)}
#video{width:100%;height:100%;display:block;object-fit:contain;background:#000}
.stage-msg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:.05em;pointer-events:none;transition:opacity .3s}

/* transport */
.transport{display:flex;align-items:center;gap:9px}
.btn{font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--text);
  background:var(--panel);border:1px solid var(--line2);border-radius:8px;padding:9px 13px;cursor:pointer;
  letter-spacing:.04em;transition:all .15s}
.btn:hover{background:var(--panel2);border-color:var(--gold-dim);color:var(--gold-bright)}
.btn:active{transform:translateY(1px)}
.btn-play{background:var(--gold);border-color:var(--gold);color:#000;min-width:46px;font-size:14px;font-weight:700;
  box-shadow:0 0 18px rgba(245,166,35,.25)}
.btn-play:hover{background:var(--gold-bright);border-color:var(--gold-bright);color:#000}
.scrub{flex:1;accent-color:var(--gold);height:5px;cursor:pointer;background:transparent}
.time-readout{font-family:var(--mono);font-size:12px;color:var(--text);white-space:nowrap}
.time-readout .sep{color:var(--muted2);margin:0 5px}
#t-dur{color:var(--muted)}

/* ───────────────── alignment rail (signature) ───────────────── */
.rail-wrap{background:var(--ink2);border:1px solid var(--line);border-radius:12px;padding:13px 16px 11px}
.rail-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.rail-title{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.rail-legend{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted);display:flex;align-items:center;gap:13px;text-transform:uppercase}
.dot{width:8px;height:8px;border-radius:2px;display:inline-block;margin-right:5px;transform:translateY(1px)}
.dot-depth{background:var(--teal);box-shadow:0 0 7px rgba(63,214,196,.6)}
.dot-state{background:var(--gold);box-shadow:0 0 7px rgba(245,166,35,.5)}
.dot-head{background:var(--coral);border-radius:50%;box-shadow:0 0 7px var(--coral)}
.rail{width:100%;display:block;cursor:pointer}
.rail-foot{display:flex;align-items:center;gap:18px;margin-top:9px;flex-wrap:wrap}
.offset{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)}
.offset input{accent-color:var(--coral);width:150px}
.offset code{color:var(--gold-bright);font-size:11px}
.scrub-mode{display:flex;align-items:center;gap:8px}
.scrub-mode .seg-btn{padding:6px 11px}
.approx{margin:0;font-size:11px;color:var(--muted);flex:1;min-width:200px;font-family:var(--mono);letter-spacing:.02em}
.approx b{color:var(--coral)}

/* ───────────────────────── panel / tabs ───────────────────────── */
.panel-col{background:var(--ink2);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;
  overflow:hidden;position:sticky;top:64px;max-height:calc(100vh - 84px)}
.tabs{display:flex;align-items:center;border-bottom:1px solid var(--line2);padding:0 6px;gap:2px;background:var(--ink)}
.tab{appearance:none;background:none;border:none;cursor:pointer;font-family:var(--mono);font-size:11px;
  font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:14px 16px 12px;position:relative}
.tab:hover{color:var(--text)}
.tab.is-active{color:var(--gold-bright)}
.tab.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.tab-clock{margin-left:auto;padding-right:12px;font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.tab-body{display:none;flex-direction:column;min-height:0;flex:1}
.tab-body.is-active{display:flex}

/* state tab */
.state-controls{display:flex;gap:8px;padding:13px 14px 9px}
.search,.type-filter{font-family:var(--mono);font-size:11.5px;color:var(--text);background:var(--panel);
  border:1px solid var(--line2);border-radius:7px;padding:9px 11px}
.search{flex:1}
.search::placeholder{color:var(--muted2)}
.search:focus,.type-filter:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.type-filter{cursor:pointer}
.key-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 9px}
.chip{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--muted);background:var(--panel);
  border:1px solid var(--line2);border-left:2px solid transparent;border-radius:5px;padding:5px 10px;cursor:pointer;transition:all .12s}
.chip:hover{border-color:var(--gold-dim);color:var(--text)}
.chip.is-on{background:rgba(245,166,35,.1);border-color:var(--line2);border-left-color:var(--gold);color:var(--gold-bright)}
.chip .n{color:var(--muted2);margin-left:5px}
.chip.is-on .n{color:var(--gold)}
.state-meta{padding:2px 14px 7px}
#state-frame-info{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
#state-frame-info b{color:var(--gold-bright);font-weight:700}

.state-tree{overflow:auto;padding:0 8px 14px;flex:1}
.hint{color:var(--muted);font-size:12px;padding:18px 8px;font-family:var(--mono);letter-spacing:.02em}
.t-type{margin:3px 0 0}
.t-type>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:6px;
  font-family:var(--body);font-weight:600;font-size:12.5px;color:var(--text)}
.t-type>summary:hover{background:var(--panel)}
.t-type>summary::-webkit-details-marker{display:none}
.t-type>summary .tw{color:var(--muted2);transition:transform .12s;font-size:9px}
.t-type[open]>summary .tw{transform:rotate(90deg)}
.t-type .count{font-family:var(--mono);font-size:10.5px;color:var(--muted);font-weight:400}
.t-type.key>summary{border-left:2px solid var(--gold);padding-left:10px}
.t-type.key>summary span:nth-child(2){color:var(--gold-bright)}
.obj{margin:1px 0 1px 18px}
.obj>summary{list-style:none;cursor:pointer;padding:5px 8px;border-radius:5px;font-size:11.5px;color:var(--muted);
  display:flex;align-items:center;gap:8px}
.obj>summary:hover{background:var(--panel);color:var(--text)}
.obj>summary::-webkit-details-marker{display:none}
.obj .oid{font-family:var(--mono);font-size:10px;color:var(--muted2)}
.grp{margin:2px 0 2px 16px}
.grp>summary{list-style:none;cursor:pointer;font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--teal);padding:4px 8px}
.grp>summary::-webkit-details-marker{display:none}
.attrs{margin:2px 0 6px 24px;border-left:1px solid var(--line2);padding-left:10px}
.attr{display:flex;justify-content:space-between;gap:12px;padding:2px 6px;border-radius:3px;font-size:11px}
.attr:hover{background:var(--panel)}
.attr .k{color:var(--muted);font-family:var(--mono);font-size:10.5px}
.attr .v{font-family:var(--mono);color:var(--gold-bright);text-align:right;word-break:break-all}
.attr.hit .k{color:var(--gold);font-weight:700}
.attr .k.has-tip{border-bottom:1px dotted var(--muted2);cursor:help}
.attr .k.has-tip:hover{border-bottom-color:var(--gold);color:var(--gold-bright)}
mark{background:rgba(245,166,35,.28);color:var(--gold-bright);border-radius:2px;padding:0 1px}

/* attribute explainer tooltip (follows cursor) */
.attr-tip{position:fixed;z-index:9998;max-width:290px;pointer-events:none;
  background:#05070b;border:1px solid var(--line);border-left:2px solid var(--gold);border-radius:7px;
  padding:9px 12px;font-family:var(--body);font-weight:300;font-size:12px;line-height:1.5;color:var(--text);
  box-shadow:0 8px 28px rgba(0,0,0,.6);opacity:0;transform:translateY(3px);transition:opacity .1s,transform .1s}
.attr-tip.show{opacity:1;transform:translateY(0)}

/* depth tab */
.depth-controls{display:flex;align-items:center;justify-content:space-between;padding:13px 14px 9px}
.seg{display:inline-flex;border:1px solid var(--line2);border-radius:7px;overflow:hidden}
.seg-btn{appearance:none;border:none;background:var(--panel);cursor:pointer;font-family:var(--mono);font-size:10.5px;
  font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:7px 13px}
.seg-btn.is-active{background:var(--gold);color:#000;font-weight:700}
.depth-frame-info{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.depth-frame-info b{color:var(--gold-bright)}
.depth-stage{position:relative;background:var(--stage);margin:0 14px;border-radius:10px;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line)}
#depth-canvas{width:100%;height:100%;display:block;image-rendering:auto;cursor:crosshair}
.depth-msg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);
  font-family:var(--mono);font-size:11.5px;pointer-events:none}
.depth-hover{padding:14px;display:grid;grid-template-columns:auto auto auto 1fr;gap:6px 20px;align-items:center}
.hov{display:flex;flex-direction:column;gap:2px}
.hov .hl{font-family:var(--mono);font-size:9px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
.hov code{font-family:var(--disp);font-size:24px;letter-spacing:.02em;color:var(--gold);line-height:1}
.depth-scale-legend{display:flex;align-items:center;gap:8px;justify-self:end;font-family:var(--mono);font-size:9px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cm-bar{width:130px;height:9px;border-radius:3px;display:inline-block;
  background:linear-gradient(90deg,#7a0403,#fb8022,#a4fc3b,#1ae4b6,#4669db,#30123b)}

/* ───────────────────────── footer ───────────────────────── */
.app-footer{display:flex;align-items:center;gap:16px;padding:12px 28px 9px;
  font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted2);position:relative;z-index:1}
.confidential{color:var(--muted)}
.foot-note{color:var(--muted2)}
.foot-mark{margin-left:auto;width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.footer-gradient{height:4px;background:linear-gradient(90deg,var(--coral),var(--gold));position:relative;z-index:1}

:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}