/* ============================================================
   PRAXIS MOTION ENGINE  -  view "praxis"
   Every rule is scoped under #view-praxis so the engine's
   generic classNames (.srow, .fld, .animrow, .empty, ...) can
   never leak into Lumen's global styles.
   ============================================================ */

#view-praxis{min-width:0;min-height:0}
#view-praxis *{box-sizing:border-box}
#view-praxis [hidden]{display:none!important}
#view-praxis button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
#view-praxis input,#view-praxis select,#view-praxis textarea{font:inherit;color:var(--ink);background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:4px 8px;outline:none}
#view-praxis input:focus,#view-praxis select:focus,#view-praxis textarea:focus{border-color:var(--accent)}
#view-praxis input[type=color]{padding:1px;width:40px;height:22px;cursor:pointer}
#view-praxis ::-webkit-scrollbar{width:9px;height:9px}
#view-praxis ::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:5px}
#view-praxis ::-webkit-scrollbar-track{background:transparent}

/* ---------- top bar ---------- */
#view-praxis .px-topbar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--surface);border-bottom:1px solid var(--border);flex:none}
#view-praxis .px-logo{display:flex;align-items:baseline;gap:7px;margin-right:4px;flex:none}
#view-praxis .px-logo b{font:900 15px var(--serif);letter-spacing:.12em;color:var(--accent)}
#view-praxis .px-logo span{font-size:9px;letter-spacing:.2em;color:var(--dim);text-transform:uppercase}
#pxTitle{background:transparent;border:1px solid transparent;font-weight:600;flex:0 1 240px;min-width:120px;padding:4px 8px;border-radius:6px}
#pxTitle:hover{border-color:var(--border)}
#pxTitle:focus{border-color:var(--accent);background:var(--surface-2)}
#view-praxis .px-topbar .spacer{flex:1}
#view-praxis .px-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:6px;border:1px solid var(--border);color:var(--ink);font-size:12px;font-weight:600;flex:none}
#view-praxis .px-btn:hover{border-color:var(--border-strong);background:var(--surface-2)}
#view-praxis .px-btn svg{width:13px;height:13px;fill:currentColor;opacity:.85;flex:none}
#view-praxis .px-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
#view-praxis .px-btn.primary:hover{opacity:.9;border-color:var(--accent)}
#view-praxis .px-btn:disabled{opacity:.4;cursor:default;pointer-events:none}
#view-praxis .px-btn.on{background:var(--ok);border-color:var(--ok);color:#eaf5f2}

/* narration engine + voice pickers */
#view-praxis .px-voicebar{flex:none;display:flex;align-items:center;gap:8px;padding:6px 12px;border-bottom:1px solid var(--border);background:var(--surface);flex-wrap:wrap}
#view-praxis .px-vlabel{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);flex:none}
#view-praxis .px-sel{flex:none;max-width:170px;padding:4px 6px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--ink);font-size:12px;font-weight:600;font-family:inherit}
#view-praxis .px-sel:hover{border-color:var(--border-strong)}
#view-praxis #pxVoicePick{max-width:230px}
#view-praxis #pxVoiceHQStat{font-size:11px;color:var(--dim);flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- main 3-column layout ---------- */
#view-praxis .px-main{flex:1;display:grid;grid-template-columns:minmax(220px,262px) 1fr minmax(250px,302px);min-height:0}
#view-praxis .px-side{background:var(--surface);min-height:0;display:flex;flex-direction:column}
#view-praxis .px-side.left{border-right:1px solid var(--border)}
#view-praxis .px-side.right{border-left:1px solid var(--border)}
#view-praxis .px-title{flex:none;padding:8px 12px 6px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
#view-praxis .px-title button{color:var(--soft);font-size:16px;line-height:1;padding:0 4px}
#view-praxis .px-title button:hover{color:var(--accent)}
#pxTree{flex:1;overflow-y:auto;padding:6px 6px 12px}
#pxStats{flex:none;padding:9px 12px;border-top:1px solid var(--border);font-size:11px;color:var(--soft);line-height:1.7}
#pxStats b{color:var(--ink)}

/* ---- scene tree (engine emits: .chap > summary, .srow, .num, .nm, .du, .tools, .cur) ---- */
#view-praxis .chap{margin:8px 2px 3px}
#view-praxis .chap>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;padding:4px 6px;font-size:11px;font-weight:700;letter-spacing:.05em;color:var(--soft)}
#view-praxis .chap>summary::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--cc,#888);flex:none}
#view-praxis .chap>summary::-webkit-details-marker{display:none}
#view-praxis .srow{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:6px;cursor:pointer;color:var(--ink)}
#view-praxis .srow:hover{background:var(--surface-2)}
#view-praxis .srow.cur{background:color-mix(in srgb,var(--accent) 12%,transparent);outline:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}
#view-praxis .srow .num{color:var(--dim);font-size:10px;min-width:16px}
#view-praxis .srow .nm{flex:1;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#view-praxis .srow .du{color:var(--dim);font-size:10px}
#view-praxis .srow .tools{display:none;gap:2px}
#view-praxis .srow:hover .tools{display:flex}
#view-praxis .srow .tools button{padding:0 3px;font-size:11px;color:var(--soft)}
#view-praxis .srow .tools button:hover{color:var(--accent)}

/* ---------- center stage ---------- */
#view-praxis .px-center{display:flex;flex-direction:column;min-width:0;min-height:0;background:#0b0a09}
#pxStageWrap{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;position:relative}
#pxStage{background:transparent;display:block}
#pxBigPlay{position:absolute;width:84px;height:84px;border-radius:50%;background:rgba(20,18,15,.72);border:1px solid rgba(224,164,88,.5);display:flex;align-items:center;justify-content:center;transition:.2s}
#pxBigPlay:hover{background:rgba(20,18,15,.9);transform:scale(1.06)}
#pxBigPlay svg{width:34px;height:34px;fill:var(--accent);margin-left:5px}
#pxExportOv{position:absolute;inset:0;background:rgba(11,10,9,.82);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:5}
#pxExportOv .bar{width:320px;height:5px;background:var(--surface-3);border-radius:3px;overflow:hidden}
#pxExportOv .bar i{display:block;height:100%;width:0;background:var(--accent)}
#pxExportOv b{font:700 15px var(--serif);letter-spacing:.04em}
#pxExportOv small{color:var(--soft)}

/* ---------- transport ---------- */
#view-praxis .px-transport{display:flex;align-items:center;gap:3px;padding:6px 10px;background:var(--surface);border-top:1px solid var(--border);flex:none}
#view-praxis .px-cbtn{width:30px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--soft)}
#view-praxis .px-cbtn:hover{background:var(--surface-2);color:var(--ink)}
#view-praxis .px-cbtn.on{color:var(--accent)}
#view-praxis .px-cbtn svg{width:15px;height:15px;fill:currentColor}
#pxPlay{width:38px;height:32px;background:var(--accent);color:var(--accent-ink);border-radius:6px}
#pxPlay:hover{opacity:.9}
#pxPlay svg{width:17px;height:17px}
#pxTimecode{font-variant-numeric:tabular-nums;font-weight:600;font-size:12px;color:var(--ink);margin:0 8px;min-width:116px;text-align:center}
#pxTimecode span{color:var(--dim)}
#pxSpeed{width:62px;padding:3px 5px;font-size:12px}
#pxSceneName{margin-left:auto;font-size:11px;color:var(--soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:38%}

/* ---------- right inspector (engine emits bare classes) ---------- */
#pxInsp{flex:1;overflow-y:auto;padding:10px 12px 24px}
#pxInsp .empty{color:var(--dim);font-size:12px;text-align:center;padding:28px 10px;line-height:1.7;max-width:none;margin:0}
#view-praxis .fld{display:flex;flex-direction:column;gap:5px;margin-bottom:9px;min-width:0}
#view-praxis .fld>label{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim)}
#view-praxis .fld input,#view-praxis .fld select,#view-praxis .fld textarea{width:100%}
#view-praxis .fld textarea{resize:vertical;min-height:64px;line-height:1.5}
#view-praxis .row2{display:grid;grid-template-columns:1fr 1fr;gap:7px}
#view-praxis .row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}
#view-praxis .objlist{margin-top:2px}
#view-praxis .objlist .srow{padding-left:6px}
#view-praxis .animrow{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:7px;margin-bottom:7px}
#view-praxis .animrow .ah{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px;font-size:11px;color:var(--accent);font-weight:700}
#view-praxis .animrow .ah button{color:var(--err)}
#view-praxis .btnrow{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
#view-praxis .sbtn{padding:5px 10px;border:1px solid var(--border);border-radius:6px;font-size:11.5px;font-weight:600;color:var(--ink)}
#view-praxis .sbtn:hover{border-color:var(--accent);color:var(--accent)}
#view-praxis .sbtn.warn{color:var(--err)}
#view-praxis .sbtn.warn:hover{border-color:var(--err)}
#view-praxis .objhdr{display:flex;align-items:center;gap:8px;margin-bottom:10px}
#view-praxis .objhdr .badge{font-size:9px;letter-spacing:.15em;padding:3px 7px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);border-radius:4px;text-transform:uppercase}

/* ---------- timeline ---------- */
#view-praxis .px-tlbar{background:var(--surface);border-top:1px solid var(--border);height:88px;flex:none}
#pxTl{width:100%;height:100%;display:block;cursor:crosshair}

/* ---------- generation modal ---------- */
#pxModal{position:fixed;inset:0;background:rgba(8,7,6,.72);z-index:70;display:flex;align-items:center;justify-content:center}
#pxModal .px-card{width:540px;max-width:93vw;background:var(--surface);border:1px solid var(--border-strong);border-radius:12px;padding:22px 24px;max-height:88vh;overflow-y:auto;position:relative}
#pxModal .px-card h2{font:700 22px var(--serif);margin-bottom:2px;color:var(--ink)}
#pxModal .px-card .px-sub{color:var(--soft);font-size:12px;margin-bottom:14px;line-height:1.6}
#pxModal .px-modal-x{position:absolute;top:12px;right:14px;font-size:18px;color:var(--dim);line-height:1;padding:2px 6px}
#pxModal .px-modal-x:hover{color:var(--accent)}
#pxModal .fld>label{color:var(--soft)}
#pxTopic{font-size:14px;padding:9px 11px;width:100%}
#pxChips{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}
#pxChips button{font-size:11px;padding:5px 10px;border:1px solid var(--border);border-radius:20px;color:var(--soft)}
#pxChips button:hover{border-color:var(--accent);color:var(--accent)}
#pxDepth{width:100%}
#pxLog{margin-top:14px;border:1px solid var(--border);border-radius:8px;background:var(--bg);padding:10px 12px;font-size:11.5px;min-height:60px;max-height:170px;overflow-y:auto}
#pxLog div{padding:2.5px 0;color:var(--soft)}
#pxLog div b{color:var(--accent)}
#pxLog div.err,#pxLog div.err b{color:var(--err)}
#view-praxis .px-mbtns{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}

@keyframes pxPulse {
  0%   { box-shadow: 0 0 0 0 rgba(224,164,88,.75); }
  70%  { box-shadow: 0 0 0 12px rgba(224,164,88,0); }
  100% { box-shadow: 0 0 0 0 rgba(224,164,88,0); }
}
.px-btn.px-pulse { animation: pxPulse 1.1s ease-out 3; }

@media (max-width:980px){
  #view-praxis .px-main{grid-template-columns:200px 1fr 240px}
  #view-praxis .px-topbar{flex-wrap:wrap}
  #pxTitle{flex-basis:160px}
}
@media (max-width:760px){
  #view-praxis .px-main{grid-template-columns:1fr;grid-template-rows:auto 1fr auto;overflow-y:auto}
  #view-praxis .px-side.left{border-right:none;border-bottom:1px solid var(--border);max-height:220px}
  #view-praxis .px-side.right{border-left:none;border-top:1px solid var(--border);max-height:240px}
  #view-praxis .px-transport{flex-wrap:wrap}
}