/* ============================================================
   HoloDNA — Material 3 holographic theme. Google Sans throughout.
   ============================================================ */
:root{
  --font:'Google Sans','Product Sans',Roboto,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Google Sans Mono',ui-monospace,'SF Mono',Menlo,monospace;

  /* Space / holo palette */
  --bg:#04070f;
  --bg2:#070c18;
  --surface:#0b1220;
  --surface-1:#0e1626;
  --surface-2:#131f34;
  --surface-3:#18263f;
  --outline:#25344d;
  --outline-soft:#1a2740;

  --primary:#38e1ff;          /* cyan hologram */
  --primary-dim:#1596b4;
  --secondary:#7c9dff;        /* periwinkle */
  --accent:#ff4fd8;           /* magenta */
  --accent-2:#5dffb0;         /* mint */
  --warn:#ffcf5d;
  --danger:#ff5470;           /* pathogenic red */

  --on-surface:#e8f0ff;
  --on-surface-var:#9fb2cf;
  --on-surface-dim:#6a7d9c;

  --r-s:10px; --r-m:16px; --r-l:24px; --r-xl:30px; --r-full:999px;
  --drawer-w:296px;
  --panel-w:372px;
  --shadow:0 12px 40px rgba(0,0,0,.55);
  --glow:0 0 22px rgba(56,225,255,.35);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{
  font-family:var(--font);
  background:
    radial-gradient(1200px 800px at 78% -10%, rgba(56,225,255,.10), transparent 60%),
    radial-gradient(1000px 700px at 8% 110%, rgba(255,79,216,.08), transparent 55%),
    var(--bg);
  color:var(--on-surface);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow:hidden;
}
button{font-family:inherit;color:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
.material-symbols-rounded{font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;line-height:1;user-select:none;flex:none}

/* ===================== Boot overlay ===================== */
.boot{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:var(--bg);
  transition:opacity .6s ease;}
.boot.hide{opacity:0;pointer-events:none}
.boot-core{text-align:center}
.boot-cell{position:relative;width:120px;height:120px;margin:0 auto 26px}
.boot-cell span{position:absolute;inset:0;border-radius:50%;border:2px solid transparent;
  border-top-color:var(--primary);border-right-color:rgba(56,225,255,.3);
  animation:spin 1.4s linear infinite}
.boot-cell span:nth-child(2){inset:16px;border-top-color:var(--accent);border-right-color:rgba(255,79,216,.3);animation-duration:1.9s;animation-direction:reverse}
.boot-cell span:nth-child(3){inset:34px;border-top-color:var(--accent-2);border-right-color:rgba(93,255,176,.3);animation-duration:1.1s}
@keyframes spin{to{transform:rotate(360deg)}}
.boot-title{font-size:30px;font-weight:700;letter-spacing:.5px;
  background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.boot-sub{margin-top:8px;font-size:13px;color:var(--on-surface-var)}

/* ===================== App layout ===================== */
.app{position:fixed;inset:0;display:flex}
.scrim{position:fixed;inset:0;background:rgba(2,4,10,.6);backdrop-filter:blur(2px);z-index:38;opacity:0;pointer-events:none;transition:opacity .3s}
.app.drawer-open .scrim{opacity:1;pointer-events:auto}

/* ===================== Drawer ===================== */
.drawer{
  width:var(--drawer-w);flex:none;z-index:40;
  background:linear-gradient(180deg,var(--surface-1),var(--surface));
  border-right:1px solid var(--outline-soft);
  display:flex;flex-direction:column;
  padding:14px 12px 10px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin:2px 4px 12px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{font-size:30px;color:var(--primary);filter:drop-shadow(0 0 10px rgba(56,225,255,.6))}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.2px}
.brand-tag{font-size:11px;color:var(--on-surface-var);letter-spacing:.6px;text-transform:uppercase;margin-top:1px}
.drawer-close{display:none}

.search{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--outline-soft);
  border-radius:var(--r-full);padding:9px 12px;margin:2px 2px 6px;transition:border-color .2s,box-shadow .2s}
.search:focus-within{border-color:var(--primary-dim);box-shadow:0 0 0 3px rgba(56,225,255,.12)}
.search .material-symbols-rounded{font-size:20px;color:var(--on-surface-var)}
.search input{flex:1;background:none;border:none;outline:none;color:var(--on-surface);font-size:14px}
.search input::placeholder{color:var(--on-surface-dim)}
.search-clear{display:flex;color:var(--on-surface-var)}
.search-clear .material-symbols-rounded{font-size:18px}

.search-results{margin:0 2px 4px;max-height:44vh;overflow:auto;border-radius:var(--r-m);
  background:var(--surface);border:1px solid var(--outline-soft)}
.sr-item{display:flex;align-items:center;gap:10px;padding:9px 12px;cursor:pointer;border-bottom:1px solid var(--outline-soft)}
.sr-item:last-child{border-bottom:none}
.sr-item:hover{background:var(--surface-2)}
.sr-dot{width:9px;height:9px;border-radius:50%;flex:none}
.sr-txt{min-width:0}
.sr-name{font-size:13.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sr-path{font-size:11px;color:var(--on-surface-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sr-empty{padding:14px;text-align:center;color:var(--on-surface-dim);font-size:13px}

.nav{flex:1;overflow-y:auto;overflow-x:hidden;margin-top:4px;padding-right:2px}
.nav::-webkit-scrollbar{width:8px}
.nav::-webkit-scrollbar-thumb{background:var(--outline);border-radius:8px}
.nav-section-label{font-size:11px;font-weight:500;letter-spacing:.9px;text-transform:uppercase;
  color:var(--on-surface-dim);margin:14px 12px 6px}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:13px;padding:11px 14px;border-radius:var(--r-full);
  cursor:pointer;color:var(--on-surface-var);transition:background .16s,color .16s;position:relative;text-align:left;width:100%}
.nav-item:hover{background:var(--surface-2);color:var(--on-surface)}
.nav-item.active{background:linear-gradient(90deg,rgba(56,225,255,.18),rgba(56,225,255,.05));color:var(--on-surface)}
.nav-item.active::before{content:"";position:absolute;left:5px;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:4px;background:var(--primary);box-shadow:var(--glow)}
.nav-item .ni-ico{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none;font-size:15px;font-weight:700}
.nav-item .ni-txt{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item .ni-sub{font-size:11px;color:var(--on-surface-dim);font-weight:400}
.nav-item .ni-wrap{min-width:0;display:flex;flex-direction:column;line-height:1.25}

.drawer-foot{padding:8px 4px 2px;border-top:1px solid var(--outline-soft);margin-top:6px}
.text-btn{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:var(--r-full);width:100%;
  color:var(--on-surface-var);font-size:13px}
.text-btn:hover{background:var(--surface-2);color:var(--on-surface)}
.text-btn .material-symbols-rounded{font-size:20px}

/* ===================== Stage ===================== */
.stage{flex:1;position:relative;display:flex;flex-direction:column;min-width:0}

.appbar{display:flex;align-items:center;gap:6px;padding:10px 12px;z-index:20;
  background:linear-gradient(180deg,rgba(6,10,20,.86),rgba(6,10,20,0));position:relative}
.icon-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:var(--on-surface-var);
  transition:background .16s,color .16s}
.icon-btn:hover{background:var(--surface-2);color:var(--on-surface)}
.icon-btn:disabled{opacity:.35;pointer-events:none}
.icon-btn .material-symbols-rounded{font-size:23px}
.menu-btn{display:none}

.crumbs{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;flex-wrap:nowrap;padding:0 4px}
.crumbs::-webkit-scrollbar{display:none}
.crumb{display:flex;align-items:center;gap:2px;color:var(--on-surface-var);font-size:13.5px;font-weight:500;
  white-space:nowrap;padding:5px 10px;border-radius:var(--r-full);cursor:pointer;flex:none}
.crumb:hover{background:var(--surface-2);color:var(--on-surface)}
.crumb.current{color:var(--primary);cursor:default}
.crumb.current:hover{background:none}
.crumb-sep{color:var(--on-surface-dim);font-size:18px;flex:none}
.appbar-spacer{flex:1}
.icon-btn.on{color:var(--primary);background:rgba(56,225,255,.12)}

/* ===================== Viewport ===================== */
.viewport{flex:1;position:relative;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.labels{position:absolute;inset:0;pointer-events:none;z-index:6}
.leaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:5}

.holo-label{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;cursor:pointer;
  display:flex;align-items:center;gap:6px;white-space:nowrap;
  padding:4px 10px;border-radius:var(--r-full);
  background:rgba(8,16,30,.72);backdrop-filter:blur(6px);
  border:1px solid var(--llc,rgba(56,225,255,.5));
  color:var(--on-surface);font-size:12px;font-weight:500;letter-spacing:.2px;
  box-shadow:0 2px 12px rgba(0,0,0,.4);
  transition:opacity .2s,transform .05s,background .16s;will-change:transform,left,top}
.holo-label:hover{background:rgba(20,34,58,.95);transform:translate(-50%,-50%) scale(1.06)}
.holo-label .lb-dot{width:7px;height:7px;border-radius:50%;flex:none;background:var(--llc,var(--primary));box-shadow:0 0 8px var(--llc,var(--primary))}
.holo-label.child::after{content:"chevron_right";font-family:'Material Symbols Rounded';font-size:15px;color:var(--llc,var(--primary));margin-left:-1px}
.holo-label.tiny{font-size:10.5px;padding:2px 7px;opacity:.86}
.holo-label.dim{opacity:.28}
.holo-label.sel{background:var(--llc,var(--primary));color:#04121a;border-color:transparent;font-weight:700}
.holo-label.sel .lb-dot{background:#04121a;box-shadow:none}
.labels.hidden{opacity:0;pointer-events:none}
.leaders.hidden{opacity:0}

.scene-title{position:absolute;left:20px;top:14px;z-index:7;pointer-events:none;max-width:60%}
.st-name{font-size:23px;font-weight:700;letter-spacing:.2px;text-shadow:0 2px 18px rgba(0,0,0,.7)}
.st-sub{font-size:13px;color:var(--on-surface-var);margin-top:2px;font-weight:500}

.hint{position:absolute;left:50%;bottom:132px;transform:translateX(-50%);z-index:7;
  display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-full);
  background:rgba(8,16,30,.8);backdrop-filter:blur(8px);border:1px solid var(--outline);
  color:var(--on-surface-var);font-size:12.5px;transition:opacity .5s;pointer-events:none}
.hint.hide{opacity:0}
.hint .material-symbols-rounded{font-size:18px;color:var(--primary)}

/* ===================== Control dock ===================== */
.dock{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);z-index:8;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center;
  padding:12px 20px;border-radius:var(--r-l);max-width:calc(100% - 24px);
  background:rgba(9,15,28,.82);backdrop-filter:blur(14px);
  border:1px solid var(--outline);box-shadow:var(--shadow)}
.dock-group{display:flex;flex-direction:column;gap:5px;min-width:118px}
.dock-lbl{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:500;color:var(--on-surface-var);letter-spacing:.3px}
.dock-lbl .material-symbols-rounded{font-size:16px;color:var(--primary)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;
  background:var(--surface-3);outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(56,225,255,.7);cursor:pointer;border:2px solid #04121a}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border:2px solid #04121a;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(56,225,255,.7);cursor:pointer}
.dock-toggles{display:flex;gap:7px;flex-wrap:wrap;padding-left:6px;border-left:1px solid var(--outline-soft)}
.chip-toggle{display:flex;align-items:center;gap:6px;padding:8px 12px;border-radius:var(--r-full);
  background:var(--surface-2);border:1px solid var(--outline-soft);color:var(--on-surface-var);
  font-size:12px;font-weight:500;transition:all .16s}
.chip-toggle .material-symbols-rounded{font-size:17px}
.chip-toggle:hover{background:var(--surface-3);color:var(--on-surface)}
.chip-toggle.active{background:rgba(56,225,255,.16);border-color:var(--primary-dim);color:var(--primary)}

/* ===================== Info panel ===================== */
.infopanel{position:absolute;top:0;right:0;height:100%;width:var(--panel-w);max-width:88vw;z-index:30;
  background:linear-gradient(180deg,var(--surface-1),var(--surface));
  border-left:1px solid var(--outline-soft);box-shadow:-14px 0 44px rgba(0,0,0,.5);
  padding:16px 20px 26px;overflow-y:auto;transform:translateX(105%);transition:transform .34s cubic-bezier(.2,.8,.2,1)}
.infopanel.open{transform:translateX(0)}
.infopanel::-webkit-scrollbar{width:8px}
.infopanel::-webkit-scrollbar-thumb{background:var(--outline);border-radius:8px}
.ip-head{display:flex;align-items:center;justify-content:space-between}
.ip-eyebrow{font-size:11px;font-weight:700;letter-spacing:1.4px;color:var(--primary);text-transform:uppercase}
.ip-title{font-size:25px;font-weight:700;margin:6px 0 2px;letter-spacing:.1px;line-height:1.15}
.ip-aka{font-size:12.5px;color:var(--on-surface-dim);font-style:italic;margin-bottom:8px}
.ip-aka:empty{display:none}
.ip-chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 12px}
.ip-chip{font-size:11px;font-weight:500;padding:4px 10px;border-radius:var(--r-full);
  background:var(--surface-2);border:1px solid var(--outline-soft);color:var(--on-surface-var);display:flex;align-items:center;gap:5px}
.ip-chip .material-symbols-rounded{font-size:14px}
.ip-desc{font-size:14.5px;line-height:1.6;color:var(--on-surface);margin:2px 0 16px}
.ip-block{margin:14px 0;background:var(--surface);border:1px solid var(--outline-soft);border-radius:var(--r-m);padding:13px 15px}
.ip-block-h{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--on-surface-var);margin-bottom:9px}
.ip-block-h .material-symbols-rounded{font-size:17px;color:var(--primary)}
.ip-fn{margin:0;padding-left:2px;list-style:none;display:flex;flex-direction:column;gap:7px}
.ip-fn li{font-size:13.5px;line-height:1.5;color:var(--on-surface);padding-left:18px;position:relative}
.ip-fn li::before{content:"";position:absolute;left:2px;top:8px;width:6px;height:6px;border-radius:50%;background:var(--accent-2)}
.ip-perm{border-color:rgba(93,255,176,.3)}
.ip-perm .ip-block-h .material-symbols-rounded{color:var(--accent-2)}
.ip-motion{border-color:rgba(255,79,216,.3)}
.ip-motion .ip-block-h .material-symbols-rounded{color:var(--accent)}
.ip-fact{border-color:rgba(255,207,93,.3)}
.ip-fact .ip-block-h .material-symbols-rounded{color:var(--warn)}
.ip-block p{margin:0;font-size:13.5px;line-height:1.55;color:var(--on-surface)}
.ip-count{margin-left:auto;font-weight:500;color:var(--on-surface-dim);text-transform:none;letter-spacing:0}

.enter-btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;margin:6px 0 8px;
  padding:14px;border-radius:var(--r-full);font-size:14.5px;font-weight:700;
  background:linear-gradient(90deg,var(--primary),var(--secondary));color:#04121a;
  box-shadow:0 6px 20px rgba(56,225,255,.3);transition:transform .12s,box-shadow .2s}
.enter-btn:hover{transform:translateY(-1px);box-shadow:0 9px 26px rgba(56,225,255,.42)}
.enter-btn:active{transform:translateY(0)}

.ip-parts{display:flex;flex-direction:column;gap:5px}
.ip-part{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:var(--r-s);cursor:pointer;
  background:var(--surface-1);border:1px solid transparent;transition:background .14s,border-color .14s}
.ip-part:hover{background:var(--surface-2);border-color:var(--outline-soft)}
.ip-part .pp-dot{width:8px;height:8px;border-radius:50%;flex:none}
.ip-part .pp-name{font-size:13px;font-weight:500;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ip-part .pp-arrow{font-size:16px;color:var(--on-surface-dim)}
.ip-part.leaf .pp-arrow{opacity:.3}

/* ===================== About dialog ===================== */
.dialog-scrim{position:fixed;inset:0;z-index:60;background:rgba(2,4,10,.7);backdrop-filter:blur(4px);
  display:grid;place-items:center;padding:20px;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.dialog{width:min(580px,100%);max-height:86vh;overflow:auto;background:var(--surface-1);
  border:1px solid var(--outline);border-radius:var(--r-l);box-shadow:var(--shadow)}
.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px 8px}
.dialog-head h2{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:700;margin:0}
.dialog-head h2 .material-symbols-rounded{color:var(--primary)}
.dialog-body{padding:6px 22px 24px;font-size:14px;line-height:1.65;color:var(--on-surface-var)}
.dialog-body h3{color:var(--on-surface);font-size:14px;margin:18px 0 8px;letter-spacing:.3px}
.dialog-body p{margin:0 0 12px}
.dialog-body .legend{display:flex;flex-direction:column;gap:9px;margin:8px 0 4px}
.dialog-body .lg-row{display:flex;align-items:center;gap:11px}
.dialog-body .lg-dot{width:13px;height:13px;border-radius:50%;flex:none;box-shadow:0 0 8px currentColor}
.dialog-body .lg-k{font-weight:500;color:var(--on-surface)}
.dialog-body kbd{background:var(--surface-3);border:1px solid var(--outline);border-radius:6px;padding:1px 7px;font-size:12px;font-family:var(--mono)}

/* ===================== Responsive ===================== */
@media (max-width:920px){
  :root{--panel-w:352px}
  .drawer{position:fixed;left:0;top:0;bottom:0;transform:translateX(-102%);transition:transform .3s cubic-bezier(.2,.8,.2,1);box-shadow:var(--shadow)}
  .app.drawer-open .drawer{transform:translateX(0)}
  .drawer-close{display:grid}
  .menu-btn{display:grid}
}
@media (max-width:620px){
  .dock{gap:12px;padding:10px 14px 12px;bottom:10px}
  .dock-group{min-width:96px}
  .tlbl{display:none}
  .chip-toggle{padding:9px}
  .hint{bottom:150px;font-size:11px;text-align:center;max-width:calc(100% - 24px)}
  .scene-title{max-width:70%}
  .st-name{font-size:19px}
  .infopanel{width:100%;max-width:100%}
}
@media (max-width:400px){
  .dock-toggles{border-left:none;padding-left:0}
}