/* Living Lesson walk. Fixed design template; palettes are emitted per
   lesson by the renderer as body[data-scene="sN"] custom properties. */
:root{
  --bg:#0e1410;--bg2:#16211a;--fg:#f2efe4;--dim:rgba(242,239,228,.62);
  --accent:#d8c98f;--line:rgba(242,239,228,.18);
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Inter","Segoe UI",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--fg);line-height:1.7;
  background:radial-gradient(120vw 90vh at 50% 10%,var(--bg2) 0%,var(--bg) 62%);
  transition:background 2.4s ease,color 2.4s ease;overflow-x:hidden}
::selection{background:rgba(216,201,143,.35)}
a{color:var(--accent)}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:3;opacity:.55;
  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='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.025 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}
#photos img{position:fixed;inset:0;width:100vw;height:100vh;object-fit:cover;z-index:0;opacity:0;transition:opacity 2.4s ease;filter:saturate(.7) brightness(.62) contrast(1.05)}
#photos img.on{opacity:.28}
#wash{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.85;
  background:radial-gradient(120vw 90vh at 50% 12%,transparent 0%,var(--bg) 80%);transition:background 2.4s ease}
#lamp{position:fixed;width:72vw;height:72vw;max-width:900px;max-height:900px;border-radius:50%;
  background:radial-gradient(circle,var(--accent) 0%,transparent 62%);
  opacity:.10;filter:blur(70px);pointer-events:none;z-index:1;
  top:8%;left:50%;transform:translateX(-50%);transition:opacity 2.4s ease,background 2.4s ease}

#rail{position:fixed;left:26px;top:50%;transform:translateY(-50%);z-index:40}
#rail .track{width:1.5px;height:44vh;background:var(--line);position:relative;border-radius:2px}
#rail .fill{position:absolute;top:0;left:0;width:100%;background:var(--accent);height:0%;border-radius:2px;transition:height .3s linear}
#rail .stops{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between}
#rail .stop{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--dim);background:var(--bg);margin-left:-3.9px;cursor:pointer;transition:.4s;display:block}
#rail .stop.lit{background:var(--accent);border-color:var(--accent);box-shadow:0 0 12px var(--accent)}
@media(max-width:760px){#rail{display:none}}

#bar{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding:18px 26px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
#bar a{color:var(--dim);text-decoration:none;transition:.3s}
#bar a:hover{color:var(--accent)}
#bar b{font-weight:600;color:var(--fg)}
.bar-left{display:flex;align-items:center;gap:12px 18px;flex-wrap:wrap;min-width:0}
#bar .back{display:inline-flex;align-items:center;gap:7px;color:var(--fg);border:1px solid var(--line);border-radius:999px;padding:7px 15px;white-space:nowrap}
#bar .back:hover{border-color:var(--accent);color:var(--accent)}
#bar .back .arr{font-size:1.05em;line-height:1}
.bar-links{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center}
.ep-back{display:flex;justify-content:center;margin-top:10px}
.ep-back .btn .arr{font-size:1.05em;line-height:1}
@media(max-width:640px){
  #bar{padding:14px 18px;font-size:.66rem;letter-spacing:.1em}
  .bar-left{gap:8px 12px}
  #bar .back{padding:6px 12px}
  #bar b{display:none}
  .bar-links{gap:8px 16px}
}

.chapter{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:110px 24px}
.ch-in{max-width:820px;width:100%;position:relative;z-index:2;text-align:center}
.vnum{font-family:var(--sans);font-size:.7rem;letter-spacing:.34em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:34px;opacity:0;transition:opacity 1.2s .1s}
.chapter.lit .vnum{opacity:1}
.verse{font-family:var(--serif);font-weight:500;font-size:clamp(1.9rem,5.2vw,3.6rem);line-height:1.32;letter-spacing:.005em}
h1.verse{font-size:clamp(2.4rem,6.4vw,4.6rem);line-height:1.1;margin-bottom:26px}
.verse .w{display:inline-block;opacity:0;transform:translateY(22px);filter:blur(4px);transition:opacity .9s ease,transform .9s ease,filter .9s ease}
.chapter.lit .verse .w{opacity:1;transform:none;filter:none}
.whisper{margin-top:44px;font-size:.95rem;color:var(--dim);max-width:33rem;margin-left:auto;margin-right:auto;opacity:0;transform:translateY(14px);transition:opacity 1.1s .9s,transform 1.1s .9s}
.chapter.lit .whisper{opacity:1;transform:none}

.ph{all:unset;cursor:pointer;border-bottom:1.5px solid var(--accent);padding-bottom:2px;transition:.3s;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.ph:hover,.ph:focus-visible{color:var(--accent);text-shadow:0 0 26px var(--accent)}
.ph:focus-visible{outline:1.5px dashed var(--accent);outline-offset:5px}
.ph.ph-hint{animation:phHint 1.7s ease-in-out 3}
@keyframes phHint{0%,100%{text-shadow:none}50%{text-shadow:0 0 22px var(--accent)}}

.begin{display:inline-flex;flex-direction:column;align-items:center;gap:14px;text-decoration:none;color:var(--fg);margin-top:44px}
.begin span{font-size:.72rem;letter-spacing:.26em;text-transform:uppercase}
.begin .stem{width:1.5px;height:64px;background:linear-gradient(var(--accent),transparent);animation:stem 2.4s ease-in-out infinite}
@keyframes stem{0%,100%{transform:scaleY(.6);transform-origin:top;opacity:.5}50%{transform:scaleY(1);opacity:1}}

#epilogue{padding:140px 24px 90px;min-height:auto;display:block}
.ep-wrap{max-width:880px;margin:0 auto}
.ep-head{text-align:center;margin-bottom:64px}
.ep-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.9rem,4.4vw,3rem);line-height:1.15;margin-bottom:14px}
.ep-head p{color:var(--dim);max-width:34rem;margin:0 auto}
.block{border:1px solid var(--line);border-radius:22px;padding:38px;margin-bottom:22px;background:rgba(0,0,0,.18);backdrop-filter:blur(4px)}
.block h3{font-family:var(--serif);font-weight:500;font-size:1.5rem;margin-bottom:8px}
.block .note{font-size:.88rem;color:var(--dim);margin-bottom:22px}
.video{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#000;border:1px solid var(--line)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.walkrow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.walk{font-family:var(--sans);background:transparent;border:1.5px solid var(--line);color:var(--fg);border-radius:999px;padding:11px 22px;font-size:.88rem;font-weight:600;cursor:pointer;transition:.3s}
.walk:hover{border-color:var(--accent);color:var(--accent)}
.walk.on{background:var(--accent);border-color:var(--accent);color:#241d0b}
#mine{display:none;margin-top:26px;border-left:2px solid var(--accent);padding:6px 0 6px 24px;text-align:left}
#mine.show{display:block;animation:rise .6s ease}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
#mine .verse-sm{font-family:var(--serif);font-size:1.5rem;font-style:italic;line-height:1.4;margin-bottom:14px}
#mine p{font-size:.95rem;color:var(--dim);margin-bottom:10px}
#mine .pr{font-family:var(--serif);font-style:italic;font-size:1.05rem;color:var(--fg)}
.carry-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-family:var(--sans);font-weight:600;border-radius:999px;text-decoration:none;transition:.25s;line-height:1;font-size:.88rem}
.btn.gold{background:var(--accent);color:#241d0b;padding:14px 26px}
.btn.gold:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn.line{background:transparent;border:1.5px solid var(--line);color:var(--fg);padding:13px 24px}
.btn.line:hover{border-color:var(--accent);color:var(--accent)}
.copied{font-size:.8rem;color:var(--accent);margin-top:12px;display:none}
.copied.show{display:block}
.ep-foot{text-align:center;color:var(--dim);font-size:.82rem;margin-top:56px;line-height:2}

#veil{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);z-index:80;opacity:0;pointer-events:none;transition:opacity .45s}
#veil.open{opacity:1;pointer-events:auto}

#tut{position:fixed;z-index:95;left:50%;top:50%;width:440px;max-width:calc(100vw - 40px);max-height:calc(100vh - 60px);overflow-y:auto;background:var(--bg);border:1px solid var(--line);border-radius:22px;padding:44px 40px;box-shadow:0 30px 80px rgba(0,0,0,.5);transform:translate(-50%,calc(-50% + 14px));opacity:0;pointer-events:none;transition:opacity .4s,transform .4s}
#tut.open{opacity:1;pointer-events:auto;transform:translate(-50%,-50%)}
#tut .close{all:unset;cursor:pointer;position:absolute;top:16px;right:20px;font-size:1.6rem;color:var(--dim);padding:6px;line-height:1}
#tut .close:hover{color:var(--fg)}
#tut .tag{font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:18px}
#tut h3{font-family:var(--serif);font-weight:500;font-size:1.7rem;line-height:1.25;margin-bottom:24px}
.tut-list{list-style:none;margin-bottom:30px}
.tut-list li{position:relative;padding-left:22px;font-size:.92rem;color:var(--dim);line-height:1.7;margin-bottom:14px}
.tut-list li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
#tut .btn{width:100%;justify-content:center}
@media(max-width:560px){#tut{padding:38px 26px}}
#panel{position:fixed;z-index:90;right:0;top:0;bottom:0;width:440px;max-width:100vw;background:var(--bg);border-left:1px solid var(--line);padding:52px 44px;overflow-y:auto;transform:translateX(102%);transition:transform .55s cubic-bezier(.25,.8,.25,1),background 2.4s}
#panel.open{transform:none}
#panel .close{all:unset;cursor:pointer;position:absolute;top:20px;right:24px;font-size:1.6rem;color:var(--dim);padding:6px;line-height:1}
#panel .close:hover{color:var(--fg)}
#panel .ptag{font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:20px}
#panel h3{font-family:var(--serif);font-weight:500;font-style:italic;font-size:1.9rem;line-height:1.25;margin-bottom:26px}
#panel #pFig{margin:0 0 26px}
#panel #pFig img{display:block;width:100%;border-radius:14px;border:1px solid var(--line)}
#panel .sec{margin-bottom:28px}
#panel .sec b{display:block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:9px;font-weight:600}
#panel .sec p{font-size:.95rem;color:var(--fg);line-height:1.75}
#panel .sec.q p{font-family:var(--serif);font-style:italic;font-size:1.15rem}
#panel .sec.pr p{color:var(--dim)}
#panel .presence{font-size:.82rem;color:var(--accent);margin-bottom:22px;display:none}
#panel .presence.show{display:block}
#panel .src{border-top:1px solid var(--line);padding-top:18px;font-size:.78rem;color:var(--dim)}
@media(max-width:560px){#panel{width:100vw;padding:52px 26px}}

#askFab{position:fixed;bottom:24px;right:24px;z-index:70;border:1.5px solid var(--line);color:var(--fg);border-radius:999px;padding:14px 24px;font-family:var(--sans);font-size:.86rem;font-weight:600;cursor:pointer;backdrop-filter:blur(8px);background:rgba(0,0,0,.25);transition:.3s;display:flex;align-items:center;gap:10px}
#askFab:hover{border-color:var(--accent);color:var(--accent)}
#askFab i{width:8px;height:8px;border-radius:50%;background:var(--accent);font-style:normal;animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(216,201,143,.5)}70%{box-shadow:0 0 0 10px rgba(216,201,143,0)}100%{box-shadow:0 0 0 0 rgba(216,201,143,0)}}
#ask{position:fixed;bottom:86px;right:24px;z-index:85;width:392px;max-width:calc(100vw - 30px);height:540px;max-height:calc(100vh - 130px);border:1px solid var(--line);border-radius:22px;background:var(--bg);display:none;flex-direction:column;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5);transition:background 2.4s}
#ask.open{display:flex;animation:rise .35s ease}
#ask .head{padding:18px 22px;border-bottom:1px solid var(--line)}
#ask .head h4{font-family:var(--serif);font-weight:500;font-size:1.1rem}
#ask .head p{font-size:.72rem;color:var(--dim)}
#ask .body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:10px}
.m{max-width:88%;padding:12px 16px;border-radius:15px;font-size:.88rem;white-space:pre-line;line-height:1.6}
.m.b{background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start}
.m.u{background:var(--accent);color:#241d0b;border-bottom-right-radius:5px;align-self:flex-end}
.chips{display:flex;flex-wrap:wrap;gap:7px;align-self:flex-start}
.chip{background:transparent;border:1.5px solid var(--line);color:var(--fg);border-radius:999px;padding:7px 14px;font-size:.77rem;font-weight:600;cursor:pointer;font-family:var(--sans);transition:.25s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
#ask .foot{display:flex;gap:8px;padding:13px;border-top:1px solid var(--line)}
#ask .foot input{flex:1;padding:12px 16px;border:1.5px solid var(--line);border-radius:999px;font-size:.88rem;font-family:var(--sans);background:transparent;color:var(--fg)}
#ask .foot input:focus{outline:none;border-color:var(--accent)}
#ask .foot input::placeholder{color:var(--dim)}
#ask .foot button{background:var(--accent);color:#241d0b;border:none;border-radius:999px;padding:0 20px;font-weight:700;cursor:pointer;font-family:var(--sans)}

#audioToggle{position:fixed;bottom:24px;left:24px;z-index:70;border:1.5px solid var(--line);color:var(--fg);border-radius:999px;padding:14px 22px;font-family:var(--sans);font-size:.82rem;font-weight:600;cursor:pointer;backdrop-filter:blur(8px);background:rgba(0,0,0,.25);transition:.3s}
#audioToggle:hover,#audioToggle.on{border-color:var(--accent);color:var(--accent)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .verse .w{opacity:1;transform:none;filter:none}
  .vnum,.whisper{opacity:1;transform:none}
}