/* base reset (the page used to get this from its host) */
[hidden]{display:none!important}
body{margin:0;font-size:14px;-webkit-text-size-adjust:100%}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);box-sizing:border-box}
img{max-width:100%}

/* Layout: one-screen study instrument. Nav on top, the living map in the middle, the "lower third" panel for reading and writing.
   Deliberately single dark theme: a night-sky ground so the connections glow like illuminated pathways. */
:root{
  color-scheme: dark;
  --ink:#0a0e1c;          /* page ground */
  --ink-2:#10162a;        /* panel */
  --ink-3:#172038;        /* raised: composer, chips */
  --line:#253054;         /* hairlines */
  --line-2:#33416d;       /* default link */
  --text:#e7e9f2;
  --text-2:#bcc3da;
  --muted:#8a93b3;
  --gold:#e6b65c;         /* accent: illumination, your notes */
  --gold-ink:#1d1606;
  /* section hues: Old Testament warm, New Testament cool */
  --law:#e38b52; --hist:#d3a548; --wis:#cf7f9f; --maj:#e2645b; --min:#bb7a5f;
  --gos:#4fb8cb; --acts:#5ed2a6; --paul:#7393ea; --gen:#a07fe2; --rev:#c977dd;
  --theme:#e9dcbc; --event:#d7deef; --chapter:#8fa0cc;
  --f-display:'Spectral', 'Iowan Old Style', Georgia, serif;
  --f-ui:'IBM Plex Sans Condensed', 'Arial Narrow', system-ui, sans-serif;
  --f-mono:'IBM Plex Mono', ui-monospace, Consolas, monospace;
  --s-1:11px; --s-2:13px; --s-3:15px; --s-4:19px; --s-5:28px;
}
html,body{height:100%}
body{background:var(--ink);color:var(--text);font-family:var(--f-ui);font-size:var(--s-2);overflow:hidden;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));box-sizing:border-box}
*,*::before,*::after{box-sizing:border-box}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

.app{height:100%;display:grid;grid-template-rows:auto auto minmax(220px,1fr) auto;gap:0}

/* nav */
.nav{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;padding-block:12px 8px;border-bottom:1px solid var(--line)}
.brand{background:none;border:0;padding:0;font-family:var(--f-display);font-size:24px;letter-spacing:.01em;color:var(--text);display:flex;align-items:baseline;gap:2px}
.brand b{font-weight:600;color:var(--gold);font-style:italic}
.brand small{font-family:var(--f-ui);font-size:var(--s-1);color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin-left:10px}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.tabs button{display:flex;align-items:center;gap:6px;background:none;border:1px solid transparent;border-radius:8px;padding:7px 11px;color:var(--text-2);font-weight:500;letter-spacing:.02em}
.tabs button svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.6}
.tabs button:hover{color:var(--text);background:var(--ink-3)}
.tabs button[aria-current="page"]{color:var(--gold);border-color:#e6b65c55;background:#e6b65c12}

/* trail */
.trail{display:flex;align-items:center;gap:10px;min-height:38px;padding-block:6px;min-width:0}
.back{background:var(--ink-3);border:1px solid var(--line);border-radius:7px;padding:4px 10px;color:var(--text-2)}
.back:disabled{opacity:.35;cursor:default}
.crumbs{display:flex;flex-wrap:wrap;gap:2px 6px;list-style:none;margin:0;padding:0;min-width:0;font-size:var(--s-2);color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--line-2)}
.crumbs button{background:none;border:0;padding:0;color:var(--text-2)}
.crumbs button:hover{color:var(--gold)}
.crumbs li:last-child button{color:var(--text);font-weight:600}
.tour{margin-left:auto;display:flex;gap:6px;align-items:center;background:#e6b65c14;border:1px solid #e6b65c44;border-radius:999px;padding:3px 4px 3px 12px;color:var(--gold);white-space:nowrap}
.tour button{background:none;border:0;color:inherit;padding:2px 6px}
.tour .go{font-weight:600}

/* stage */
.stage{position:relative;min-height:0;border-radius:14px;overflow:hidden;
  background:radial-gradient(ellipse at 50% 45%, #18224299 0%, #0f152a66 45%, transparent 75%), var(--ink)}
#sky{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
#map{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#map.dragging{cursor:grabbing}
.stage.pan #map{cursor:move}
.zoomctl{position:absolute;right:10px;top:10px;display:flex;flex-direction:column;gap:4px}
.zoomctl button{width:34px;height:30px;border-radius:7px;border:1px solid var(--line);background:#10162acc;color:var(--text-2);font-family:var(--f-mono);font-size:var(--s-2)}
.zoomctl button:hover{color:var(--gold)}
.zoomctl button svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5;vertical-align:middle}
.zoomctl button[aria-pressed="true"]{color:var(--gold);border-color:#e6b65c66;background:#e6b65c1a}
.zoomctl .sep{height:4px}
.hint{position:absolute;right:52px;top:12px;font-size:var(--s-1);color:var(--muted);letter-spacing:.04em;pointer-events:none;text-align:right}
.legend{position:absolute;left:10px;bottom:10px;max-width:calc(100% - 20px);background:#10162ae6;border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:var(--s-1);color:var(--text-2)}
.legend summary{cursor:pointer;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.legend .rows{display:grid;grid-template-columns:repeat(2,auto);gap:4px 14px;margin-top:8px}
.legend .k{display:flex;align-items:center;gap:6px;white-space:nowrap}
.legend i{width:9px;height:9px;border-radius:50%;background:var(--c);display:inline-block;box-shadow:0 0 6px var(--c)}
.legend svg{width:22px;height:8px}
#tip{position:absolute;pointer-events:none;background:#0a0e1cf2;border:1px solid var(--line-2);border-radius:8px;padding:7px 10px;max-width:260px;font-size:var(--s-2);line-height:1.35;box-shadow:0 6px 24px #0008;z-index:3}
#tip b{display:block;font-family:var(--f-display);font-size:var(--s-3);font-weight:600}
#tip .k{color:var(--muted);font-size:var(--s-1);letter-spacing:.08em;text-transform:uppercase}
#tip .w{color:var(--text-2);display:block;margin-top:3px}

/* svg graph */
.lk{stroke:var(--lc, var(--line-2));stroke-opacity:.5;stroke-width:1.2;fill:none;transition:stroke-opacity .2s}
.lk.spoke{stroke-opacity:.55;stroke-width:1.4}
.lk.branch{stroke-opacity:.42}
.lk.chain{stroke:var(--chapter);stroke-opacity:.35;stroke-width:1}
.lk.ref{stroke:var(--theme);stroke-opacity:.45;stroke-dasharray:4 5}
.lk.faint{stroke-opacity:.14}
.lk.note{stroke:var(--gold);stroke-opacity:.6;stroke-dasharray:2 4}
.lk.hot{stroke:var(--gold);stroke-opacity:.95;stroke-width:2}
.pulse{stroke:var(--lc, var(--gold));stroke-width:2.2;stroke-linecap:round;stroke-dasharray:2 16;stroke-opacity:.9;fill:none;animation:flow 1.8s linear infinite;pointer-events:none}
@keyframes flow{to{stroke-dashoffset:-36}}
.nd{cursor:pointer;transition:opacity .2s}
.nd .core{fill:var(--c);fill-opacity:.22;stroke:var(--c);stroke-opacity:.85;stroke-width:1.4;transition:fill-opacity .2s}
.nd .halo{fill:var(--c);opacity:.11;animation:breathe 7s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
.nd .halo2{fill:var(--c);opacity:.04}
.nd .sheen{fill:url(#sheen);pointer-events:none}
.nd .base{fill:var(--ink)}
.nd:hover .core,.nd:focus-visible .core,.nd.sel .core{fill-opacity:.45}
.nd:focus{outline:none}
.nd:focus-visible .core{stroke:var(--gold);stroke-width:2.5}
.nd.ring0{cursor:default}
.nd.ring0 .core{fill-opacity:.3;stroke-width:2.4;filter:url(#glow)}
.nd.ring0 .halo{opacity:.18;animation-duration:5s}
.nd.ring0 .halo2{opacity:.07}
@keyframes breathe{50%{opacity:.035;transform:scale(1.14)}}
.nd.dim{opacity:.22}
.nd.sel .core{stroke:var(--gold);stroke-width:2.5}
.lbl{fill:var(--text);font-family:var(--f-ui);text-anchor:middle;pointer-events:none;paint-order:stroke;stroke:var(--ink);stroke-width:3px;stroke-linejoin:round}
.lbl.in{stroke:none;font-weight:500}
.lbl.out{fill:var(--text-2)}
.lbl.ctr{font-family:var(--f-display);font-weight:600;stroke:none}
.lbl .sub{font-family:var(--f-mono);font-weight:400;fill:var(--text-2)}
.lbl.num{font-family:var(--f-mono);stroke:none;fill:var(--text-2)}
.lbl.radial{text-anchor:start;fill:var(--text-2);dominant-baseline:central}
.t-note .core{stroke-dasharray:3 2}

/* lower third */
.panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,360px);gap:16px;height:clamp(220px,31vh,310px);padding-block:14px 14px;border-top:1px solid var(--line);margin-top:10px}
.detail{min-width:0;overflow:auto;padding-right:6px}
.eyebrow{font-size:var(--s-1);letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin:0 0 4px}
.detail h2{font-family:var(--f-display);font-weight:600;font-size:var(--s-5);line-height:1.1;margin:0 0 4px;text-wrap:balance}
.meta{font-family:var(--f-mono);font-size:var(--s-1);color:var(--muted);margin-bottom:8px;font-variant-numeric:tabular-nums}
.detail p{font-family:var(--f-display);font-size:var(--s-3);line-height:1.55;max-width:65ch;margin:0 0 12px;color:var(--text-2)}
.detail p.eyebrow{font-family:var(--f-ui);font-size:var(--s-1);line-height:1.4;color:var(--gold);margin:0 0 4px}
.detail p.state{font-family:var(--f-ui);font-size:var(--s-1);color:var(--muted)}
.grp{margin:0 0 12px}
.grp h3{font-size:var(--s-1);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:0 0 6px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--ink-3);border-radius:999px;padding:4px 11px 4px 9px;color:var(--text);font-size:var(--s-2);max-width:100%;text-align:left}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c, var(--muted));flex:none}
.chip:hover{border-color:var(--c, var(--line-2));background:#1d2745}
.chip small{font-family:var(--f-mono);color:var(--muted);font-size:var(--s-1)}
.chip.note{--c:var(--gold)}
.read{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:4px 0 12px}
.btn{display:inline-flex;align-items:center;gap:6px;border-radius:8px;padding:7px 13px;font-weight:600;border:1px solid var(--gold);background:var(--gold);color:var(--gold-ink);text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:none;color:var(--gold)}
.btn.warn{border-color:#e2645b;background:none;color:#f08a82}
.read label{color:var(--muted);font-size:var(--s-1);letter-spacing:.08em;text-transform:uppercase}
select{background:var(--ink-3);border:1px solid var(--line);border-radius:7px;padding:5px 8px}
.list{display:grid;gap:8px;max-width:70ch}
.list button{display:grid;gap:3px;text-align:left;background:var(--ink-3);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:8px;padding:8px 12px}
.list button:hover{border-color:var(--line-2);border-left-color:var(--gold)}
.list .t{font-family:var(--f-display);font-size:var(--s-3);color:var(--text)}
.list .m{font-family:var(--f-mono);font-size:var(--s-1);color:var(--muted)}
.step-n{font-family:var(--f-mono);color:var(--gold)}

.composer{min-width:0;background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:8px;overflow:auto}
.ctabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:-2px -2px 2px}
.ctabs button{background:none;border:0;border-bottom:2px solid transparent;padding:4px 8px 6px;color:var(--muted);font-weight:500;letter-spacing:.04em}
.ctabs button[aria-selected="true"]{color:var(--gold);border-bottom-color:var(--gold)}
.composer form{display:flex;flex-direction:column;gap:7px;flex:1;min-height:0}
.composer label{font-size:var(--s-1);letter-spacing:.06em;color:var(--text-2)}
.composer label b{color:var(--text);font-weight:600;letter-spacing:0}
textarea,input[type="search"]{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:var(--text);font-family:var(--f-display);font-size:var(--s-3);line-height:1.45}
textarea{flex:1;min-height:64px;resize:none}
textarea:focus,input:focus{outline:none;border-color:var(--gold)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row .grow{flex:1;min-width:0}
.state{font-size:var(--s-1);color:var(--muted)}
.saved{display:flex;flex-wrap:wrap;gap:6px}
.saved .chip{--c:var(--gold)}
.confirm{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:var(--s-2);color:#f08a82}

@media (max-width: 760px){
  .brand small{display:none}
  .tabs{margin-left:0;width:100%;justify-content:space-between}
  .tabs button{padding:6px 7px;font-size:var(--s-1)}
  .panel{grid-template-columns:minmax(0,1fr);height:auto;max-height:46vh;overflow:auto}
  .detail{overflow:visible}
  .composer{overflow:visible}
  .legend .rows{grid-template-columns:repeat(2,auto)}
  .tour{display:none}
}
@media (prefers-reduced-motion: reduce){
  .pulse,.nd .halo{animation:none}
  .pulse{display:none}
}

/* ---- launch additions ---- */
.trail-actions{display:flex;gap:6px;margin-left:auto;flex:none}
.tour:not([hidden]) + .trail-actions{margin-left:8px}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--ink-3);border:1px solid var(--line);border-radius:999px;padding:4px 11px;color:var(--text-2);font-size:var(--s-1);letter-spacing:.04em}
.pill:hover{color:var(--gold);border-color:#e6b65c55}
.pill svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.5}
.toast{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);max-width:calc(100% - 32px);background:#10162af2;border:1px solid #e6b65c66;color:var(--text);border-radius:10px;padding:8px 14px;font-size:var(--s-2);box-shadow:0 8px 28px #0009;z-index:4;overflow-wrap:anywhere}
.passage{margin:2px 0 14px;max-width:70ch}
.passage label{color:var(--muted);font-size:var(--s-1);letter-spacing:.08em;text-transform:uppercase}
.ptext{margin-top:10px;padding:4px 0 4px 14px;border-left:2px solid #e6b65c66;max-height:280px;overflow:auto}
.detail .ptext p.vv{font-size:var(--s-3);line-height:1.6;margin:0 0 6px;color:var(--text)}
.vv sup{font-family:var(--f-mono);font-size:10px;color:var(--gold);margin-right:5px}
.study-step{background:var(--ink-3);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:6px 0 12px;max-width:72ch}
.study-step h3{font-family:var(--f-display);font-size:var(--s-4);font-weight:600;margin:0 0 6px}
.list.steps button[aria-current="step"]{border-color:#e6b65c88;background:#e6b65c14}
.thinking span{animation:blink 1.4s infinite both}
.thinking span:nth-child(2){animation-delay:.2s}.thinking span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.2}40%{opacity:1}}
.backup .row{margin-top:6px}
label.btn{cursor:pointer}
.btn:disabled{opacity:.4;cursor:default}
.ctabs button:nth-child(3)[aria-selected="true"]{color:var(--gold)}
body.still .pulse{display:none}
body.still .nd .halo{animation:none}
@media (max-width: 760px){
  .pill{padding:4px 9px}
  .trail{flex-wrap:wrap}
}
@media (max-width: 760px){
  .zoomctl{flex-direction:row;flex-wrap:wrap;justify-content:flex-end;top:8px;right:8px;max-width:calc(100% - 16px);gap:4px}
  .zoomctl .sep{display:none}
  .zoomctl button{width:32px;height:30px}
  .hint{display:none}
  .app{grid-template-rows:auto auto minmax(300px,1fr) auto}
}