:root{
  --neon:#19f0ff;
  --neon2:#ff2bd6;
  --neon3:#7a5cff;
  --bg:#04060b;
  --ink:#eaf6ff;
  --glass:rgba(10,16,28,.55);
  --glass-line:rgba(120,200,255,.18);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
/* author display rules (e.g. .modal-overlay{display:grid}) must not defeat [hidden] */
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);
  font-family:"SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  overflow:hidden;overscroll-behavior:none}

/* ===================== STAGE ===================== */
.stage{position:fixed;inset:0;overflow:hidden;cursor:crosshair;background:#000}
.bg-video,.bg-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bg-poster{opacity:0;transition:opacity .25s;pointer-events:none}
.bg-poster.show{opacity:1}
.fx-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:5}
.markers{position:absolute;inset:0;z-index:6}
.lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:7;overflow:visible}
.labels{position:absolute;inset:0;z-index:8;pointer-events:none}

/* persistent hotspot marker */
.marker{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;
  cursor:pointer;z-index:6}
.marker{--mc:var(--neon)}
.marker::before{content:"";position:absolute;inset:0;border-radius:50%;
  border:1.5px solid var(--mc);box-shadow:0 0 12px var(--mc),inset 0 0 8px var(--mc);
  opacity:.65;animation:markerPulse 2.6s ease-in-out infinite}
.marker::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--mc);
  box-shadow:0 0 14px var(--mc)}
.marker.rendering::before{border-style:dashed;opacity:.4}
.marker.rendering::after{opacity:.45}
@keyframes markerPulse{0%,100%{transform:scale(1);opacity:.55}50%{transform:scale(1.5);opacity:.15}}

/* name label drawn at the top of a hotspot line */
.label{--mc:var(--neon);--mc2:var(--neon2);position:absolute;white-space:nowrap;
  font-weight:700;letter-spacing:.05em;font-size:clamp(13px,1.5vw,20px);
  color:#fff;text-shadow:0 0 10px var(--mc),0 0 22px var(--mc2);
  opacity:0;pointer-events:none}
.label .underline{display:block;height:1.5px;margin-top:3px;width:0;
  background:linear-gradient(90deg,var(--mc),var(--mc2));
  box-shadow:0 0 8px var(--mc)}

/* ---- chrome buttons ---- */
.wire{fill:none;stroke:var(--neon);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round;
  filter:drop-shadow(0 0 4px var(--neon))}
.back-btn{position:absolute;top:18px;left:18px;z-index:20;display:flex;align-items:center;gap:10px;
  padding:8px 16px 8px 8px;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:14px;color:var(--neon);font-weight:800;letter-spacing:.18em;font-size:13px;
  backdrop-filter:blur(10px);cursor:pointer;transition:.18s;text-shadow:0 0 10px var(--neon)}
.back-btn:hover{border-color:var(--neon);box-shadow:0 0 22px rgba(25,240,255,.35);transform:translateX(-2px)}
.back-btn polygon.wire{fill:rgba(25,240,255,.08)}

.debug-btn{position:absolute;top:18px;right:18px;z-index:20;width:46px;height:46px;display:grid;
  place-items:center;background:var(--glass);border:1px solid var(--glass-line);border-radius:50%;
  cursor:pointer;backdrop-filter:blur(10px);transition:.18s}
.debug-btn:hover{border-color:var(--neon);box-shadow:0 0 22px rgba(25,240,255,.35);transform:rotate(45deg)}

.orient-toggle{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);z-index:20;
  display:flex;gap:2px;padding:4px;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:12px;backdrop-filter:blur(10px)}
.orient-toggle button{background:transparent;border:0;color:#7fb6cc;font-weight:700;font-size:12px;
  letter-spacing:.1em;padding:7px 14px;border-radius:8px;cursor:pointer;transition:.15s}
.orient-toggle button.active{background:linear-gradient(135deg,var(--neon),var(--neon3));color:#02121a;
  box-shadow:0 0 18px rgba(25,240,255,.4)}

.toast{position:absolute;bottom:74px;left:50%;transform:translateX(-50%);z-index:25;
  padding:10px 18px;background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;
  color:var(--neon);font-size:13px;letter-spacing:.04em;backdrop-filter:blur(10px);
  box-shadow:0 0 24px rgba(0,0,0,.5)}
.hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:9;
  color:rgba(190,230,255,.6);font-size:14px;letter-spacing:.18em;text-transform:uppercase;
  pointer-events:none;animation:hintFade 5s ease forwards;text-shadow:0 0 12px rgba(25,240,255,.4)}
@keyframes hintFade{0%,55%{opacity:.8}100%{opacity:0}}

/* ===================== DEBUG VIEW ===================== */
.debug{position:fixed;inset:0;z-index:50;background:
  radial-gradient(1200px 600px at 80% -10%,rgba(122,92,255,.18),transparent),
  radial-gradient(900px 500px at -10% 110%,rgba(255,43,214,.14),transparent),#04060b;
  overflow:auto;padding:0 0 60px}
.debug-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;
  padding:18px 26px;background:rgba(4,6,11,.8);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--glass-line)}
.debug-head h1{margin:0;font-size:20px;letter-spacing:.22em;font-weight:800;
  background:linear-gradient(90deg,var(--neon),var(--neon2));-webkit-background-clip:text;background-clip:text;color:transparent}
.debug-actions{display:flex;gap:10px}
.studio-orient{display:flex;gap:2px;padding:4px;background:var(--glass);
  border:1px solid var(--glass-line);border-radius:12px}
.studio-orient button{background:transparent;border:0;color:#7fb6cc;font-weight:700;font-size:12px;
  letter-spacing:.08em;padding:7px 14px;border-radius:8px;cursor:pointer;transition:.15s}
.studio-orient button.active{background:linear-gradient(135deg,var(--neon),var(--neon3));color:#02121a;
  box-shadow:0 0 16px rgba(25,240,255,.35)}
.ghost{background:var(--glass);border:1px solid var(--glass-line);color:var(--ink);padding:9px 16px;
  border-radius:10px;cursor:pointer;font-weight:600;font-size:13px;transition:.15s}
.ghost:hover{border-color:var(--neon);box-shadow:0 0 16px rgba(25,240,255,.3)}
.ghost.danger{color:#ff7a9c}
.ghost.danger:hover{border-color:#ff2bd6;box-shadow:0 0 16px rgba(255,43,214,.35)}

/* ---- indented node list (landscape-optimised) ---- */
.debug-list{display:flex;flex-direction:column;gap:14px;padding:22px 26px;max-width:1500px;margin:0 auto}
.node-block{border:1px solid var(--glass-line);border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,rgba(16,24,40,.5),rgba(8,12,22,.5))}
.node-block.home{border-color:rgba(25,240,255,.35);box-shadow:0 0 24px rgba(25,240,255,.1)}
.node-head{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--glass-line);
  background:rgba(8,14,26,.5)}
.node-head .name{background:transparent;border:0;border-bottom:1px solid transparent;color:#fff;
  font-weight:800;font-size:16px;letter-spacing:.03em;outline:none;min-width:120px;padding:2px 0}
.node-head .name:focus{border-bottom-color:var(--neon)}
.node-head .id{font-size:11px;color:#5f86a0;letter-spacing:.08em}
.node-head .spacer{flex:1}
.swatches{display:flex;gap:7px;align-items:center;margin-right:6px}
.swatch{width:20px;height:20px;border-radius:50%;padding:0;cursor:pointer;
  background:var(--sc);border:2px solid transparent;box-shadow:0 0 8px var(--sc);
  transition:.15s}
.swatch:hover{transform:scale(1.15)}
.swatch.sel{border-color:#fff;box-shadow:0 0 12px var(--sc),0 0 0 2px rgba(255,255,255,.22)}
.nh-btn{background:var(--glass);border:1px solid var(--glass-line);color:var(--ink);
  padding:6px 12px;border-radius:9px;cursor:pointer;font-weight:700;font-size:12px;transition:.15s}
.nh-btn:hover{border-color:var(--neon);box-shadow:0 0 14px rgba(25,240,255,.3)}
.nh-btn.new{color:var(--neon2);border-color:rgba(255,43,214,.45)}
.nh-btn.new:hover{box-shadow:0 0 14px rgba(255,43,214,.35)}
.nh-btn.del{color:#ff7a9c}

.vgroup{border-top:1px solid rgba(120,200,255,.08)}
.vgroup-strip{display:flex;align-items:center;gap:10px;padding:7px 16px;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#7fb6cc;background:rgba(2,8,16,.4)}
.subrow{display:flex;align-items:flex-start;gap:16px;padding:11px 16px}
.subrow+.subrow{border-top:1px solid rgba(120,200,255,.05)}
.subrow .kind{width:54px;flex:none;font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:#5f86a0;padding-top:8px}
.thumb{flex:none;width:208px;height:118px;border-radius:10px;overflow:hidden;background:#000;
  border:1px solid rgba(120,200,255,.12);position:relative;cursor:pointer;display:grid;place-items:center}
.thumb.port{width:108px;height:192px}
.thumb video,.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .ph{color:#3f5a6e;font-size:10px;letter-spacing:.1em;text-align:center;padding:8px}
.thumb .zoom{position:absolute;bottom:6px;right:6px;font-size:10px;color:#bfe8ff;background:rgba(0,0,0,.55);
  padding:2px 6px;border-radius:6px;opacity:0;transition:.15s}
.thumb:hover .zoom{opacity:1}
.thumb:hover{border-color:var(--neon);box-shadow:0 0 14px rgba(25,240,255,.3)}
.pill{font-size:9px;letter-spacing:.12em;text-transform:uppercase;padding:3px 7px;border-radius:6px;
  font-weight:800;background:rgba(0,0,0,.5);border:1px solid var(--glass-line)}
.pill.done{color:#5dffb0;border-color:rgba(93,255,176,.4)}
.pill.running,.pill.queued{color:#ffd75d;border-color:rgba(255,215,93,.4)}
.pill.failed{color:#ff7a9c;border-color:rgba(255,122,156,.5)}
.pill.idle{color:#7f9bb0}

.subrow .body{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}
.subrow textarea{width:100%;min-height:50px;resize:vertical;background:#02060c;color:#cfe9ff;
  border:1px solid var(--glass-line);border-radius:8px;padding:8px;font-size:12px;line-height:1.45;
  font-family:inherit;outline:none}
.subrow textarea:focus{border-color:var(--neon)}
.subrow .note{font-size:12px;color:#6f93a8;padding-top:8px;line-height:1.5}
.controls{display:flex;gap:8px;align-items:center}
.controls .seed{width:96px;background:#02060c;color:#cfe9ff;border:1px solid var(--glass-line);
  border-radius:8px;padding:7px 8px;font-size:12px;outline:none}
.btn{border:0;border-radius:8px;padding:8px 14px;font-weight:700;font-size:12px;letter-spacing:.04em;cursor:pointer;transition:.15s}
.btn.gen{background:linear-gradient(135deg,var(--neon),var(--neon3));color:#02121a}
.btn.gen:hover{box-shadow:0 0 18px rgba(25,240,255,.45)}
.btn.reroll{background:rgba(122,92,255,.18);border:1px solid rgba(122,92,255,.5);color:#cdbcff}
.btn.reroll:hover{box-shadow:0 0 16px rgba(122,92,255,.4)}

/* ---- modal + lightbox ---- */
.modal-overlay{position:fixed;inset:0;z-index:80;display:grid;place-items:center;
  background:rgba(2,5,11,.72);backdrop-filter:blur(6px);animation:fadeIn .15s ease}
.modal-card{width:min(440px,92vw);background:linear-gradient(180deg,rgba(18,26,44,.96),rgba(8,12,22,.96));
  border:1px solid var(--glass-line);border-radius:18px;padding:22px;
  box-shadow:0 0 50px rgba(0,0,0,.6),0 0 30px rgba(25,240,255,.12)}
.modal-title{font-weight:800;font-size:17px;letter-spacing:.02em;margin-bottom:10px;
  background:linear-gradient(90deg,var(--neon),var(--neon2));-webkit-background-clip:text;background-clip:text;color:transparent}
.modal-msg{color:#cfe2f2;font-size:14px;line-height:1.5}
.modal-input{width:100%;margin-top:14px;background:#02060c;color:#fff;border:1px solid var(--glass-line);
  border-radius:10px;padding:11px;font-size:14px;font-family:inherit;outline:none}
.modal-input:focus{border-color:var(--neon)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.modal-actions button{border:0;border-radius:10px;padding:10px 18px;font-weight:700;font-size:13px;cursor:pointer;transition:.15s}
.modal-actions .cancel{background:var(--glass);border:1px solid var(--glass-line);color:var(--ink)}
.modal-actions .cancel:hover{border-color:var(--neon)}
.modal-actions .ok{background:linear-gradient(135deg,var(--neon),var(--neon3));color:#02121a}
.modal-actions .ok.danger{background:linear-gradient(135deg,#ff2bd6,#ff5d7a);color:#1a0210}
.modal-actions .ok:hover{box-shadow:0 0 18px rgba(25,240,255,.5)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.lightbox{position:fixed;inset:0;z-index:90;display:grid;place-items:center;
  background:rgba(2,4,9,.92);backdrop-filter:blur(8px);cursor:zoom-out;animation:fadeIn .15s ease}
.lightbox-inner{max-width:94vw;max-height:90vh;display:grid;place-items:center}
.lightbox-inner video,.lightbox-inner img{max-width:94vw;max-height:90vh;border-radius:12px;
  box-shadow:0 0 60px rgba(25,240,255,.25);border:1px solid var(--glass-line)}

/* ---- generation progress bar ---- */
.prog{position:relative;height:18px;border-radius:9px;background:rgba(2,8,16,.8);
  border:1px solid var(--glass-line);overflow:hidden;margin-top:2px}
.prog-fill{height:100%;width:0;border-radius:9px;
  background:linear-gradient(90deg,var(--neon),var(--neon3),var(--neon2));
  box-shadow:0 0 14px rgba(25,240,255,.5)}
.prog-fill.fail{background:linear-gradient(90deg,#ff2bd6,#ff5d7a);box-shadow:0 0 14px rgba(255,43,214,.5)}
.prog-fill.shimmer{background:linear-gradient(90deg,rgba(25,240,255,.3),rgba(122,92,255,.5),rgba(25,240,255,.3));
  background-size:200% 100%;animation:shimmer 1.4s linear infinite}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}
.prog-txt{position:absolute;inset:0;display:grid;place-items:center;font-size:10px;font-weight:700;
  letter-spacing:.1em;color:#eaf6ff;text-shadow:0 0 4px rgba(0,0,0,.8);text-transform:uppercase}