/* Layout: one calm column floating over a deep brown field with slow warm light. Frosted-glass panels, generous radii. Single deliberate dark-brown look. */
:root{
  --bg:#5A2E1E;                       /* requested background */
  --ink:#FBF3EC;
  --muted:rgba(251,243,236,.68);
  --glass:rgba(255,240,228,.17);
  --glass-strong:rgba(255,240,228,.25);
  --edge:rgba(255,236,220,.32);
  --glow:#E8C08A;                     /* honey gold */
  --rose:#C9776A;
  --night:#1E1B33;
  --ok:#A8D8B4;
  --on-glow:#3A1D12;
  --display:"Frank Ruhl Libre", "David", Georgia, serif;
  --body:"Heebo", "Arial Hebrew", Arial, sans-serif;
  --r-lg:28px; --r-md:20px; --r-pill:999px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{direction:rtl}
html{background:var(--bg)}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;min-height:100%;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top, 0px);z-index:10;background:var(--bg)}
/* warm light behind the glass */
.aura{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aura i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.aura i:nth-child(1){width:46vmax;height:46vmax;background:#B5603F;top:-14vmax;left:-10vmax;animation:drift 26s ease-in-out infinite alternate}
.aura i:nth-child(2){width:38vmax;height:38vmax;background:#E8C08A;bottom:-16vmax;right:-8vmax;opacity:.32;animation:drift 32s ease-in-out infinite alternate-reverse}
.aura i:nth-child(3){width:30vmax;height:30vmax;background:#2A1730;top:35%;right:30%;opacity:.5;animation:drift 40s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate(4vmax,3vmax) scale(1.08)}}
.top,.wrap{position:relative;z-index:1}

.glass{background:var(--glass);border:1px solid var(--edge);-webkit-backdrop-filter:blur(22px) saturate(140%);backdrop-filter:blur(22px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18), 0 18px 40px -18px rgba(20,6,2,.55)}

.wrap{max-width:760px;margin:0 auto;padding-block:20px 64px}
a{color:inherit}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:12px}

.top{position:sticky;top:calc(env(safe-area-inset-top, 0px) + 10px);z-index:5;max-width:760px;margin:10px auto 0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px 10px 18px;border-radius:var(--r-pill)}
.logo{font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:.5px;text-decoration:none;color:var(--ink)}
.who{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--glow),var(--rose));color:var(--on-glow);display:grid;place-items:center;font-weight:700;font-size:14px}
.demo{font-size:12px;padding:3px 11px;border-radius:var(--r-pill);background:var(--glass);border:1px solid var(--edge);color:var(--muted)}

.hello{padding-block:44px 8px}
.hello h1{font-family:var(--display);font-weight:500;font-size:clamp(32px,6.5vw,50px);line-height:1.1;margin:0 0 10px;text-wrap:balance}
.hello p{margin:0;color:var(--muted);max-width:52ch}
.prog{margin-top:26px;display:flex;align-items:center;gap:14px}
.bar{flex:1;height:10px;background:rgba(255,240,228,.12);border-radius:var(--r-pill);overflow:hidden;border:1px solid var(--edge)}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--rose),var(--glow));border-radius:var(--r-pill);transition:width .6s ease}
.prog b{font-variant-numeric:tabular-nums;font-size:14px;color:var(--muted);font-weight:500;white-space:nowrap}

.next{margin-top:28px;border-radius:var(--r-lg);padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:var(--glass-strong)}
.next small{color:var(--glow);font-size:13px;letter-spacing:.5px}
.next h2{font-family:var(--display);font-weight:500;font-size:25px;margin:2px 0 0}
.btn{border:1px solid transparent;border-radius:var(--r-pill);padding:12px 24px;font-weight:500;background:var(--glow);color:var(--on-glow);transition:transform .15s ease, box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px -8px rgba(232,192,138,.7)}
.btn.ghost{background:var(--glass);border-color:var(--edge);color:var(--ink)}
.btn.ghost:hover{box-shadow:none;background:var(--glass-strong)}

.path{list-style:none;margin:40px 0 0;padding:0;position:relative}
.path::before{content:"";position:absolute;right:21px;top:24px;bottom:24px;width:2px;background:linear-gradient(var(--glow),rgba(255,240,228,.12))}
.station{position:relative;display:grid;grid-template-columns:44px 1fr;gap:16px;padding-block:9px}
.dot{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:18px;color:var(--muted);position:relative;z-index:1;align-self:start;margin-top:14px}
.station.done .dot{background:var(--glow);border-color:var(--glow);color:var(--on-glow)}
.station.current .dot{border-color:var(--glow);color:var(--glow);box-shadow:0 0 0 6px rgba(232,192,138,.15)}
.card{min-width:0;border-radius:var(--r-md);padding:18px 20px;text-align:right;width:100%;color:var(--ink);display:block;transition:background .2s ease, transform .2s ease}
button.card:hover{background:var(--glass-strong);transform:translateY(-2px)}
.station.soon .card{opacity:.6;border-style:dashed;box-shadow:none}
.card .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted)}
.card h3{font-family:var(--display);font-weight:500;font-size:22px;margin:4px 0 2px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.chip{font-size:12px;padding:2px 10px;border-radius:var(--r-pill);border:1px solid var(--edge);white-space:nowrap;background:rgba(255,240,228,.06)}
.chip.ok{color:var(--ok);border-color:rgba(168,216,180,.5)}
.chip.now{color:var(--glow);border-color:rgba(232,192,138,.6)}
.chip.med{background:#1F4D36;color:#E4F2E8;border-color:rgba(160,210,180,.35)}

/* lesson thumbnails: designed covers, one warm-beige variation per lesson */
.thumb{position:relative;display:block;aspect-ratio:16/9;max-width:100%;width:100%;overflow:hidden;border-radius:inherit;color:#5A2E1E;container-type:inline-size;background:linear-gradient(150deg,var(--t1),var(--t2))}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumb .sun{position:absolute;width:58cqw;height:58cqw;left:-10cqw;top:-6cqw;border-radius:50%;background:radial-gradient(circle,rgba(255,251,245,.85),rgba(255,251,245,0) 68%)}
.thumb .ring{position:absolute;width:30cqw;height:30cqw;left:9cqw;top:16cqw;border-radius:50%;border:1px solid rgba(90,46,30,.22)}
.thumb .tn{position:absolute;left:5cqw;bottom:-6cqw;font-family:var(--display);font-weight:700;font-size:40cqw;line-height:1;opacity:.13}
.thumb .tm{position:absolute;right:7cqw;top:7cqw;font-size:3.4cqw;letter-spacing:.35em;opacity:.75}
.thumb .tt{position:absolute;right:7cqw;bottom:16cqw;max-width:58cqw;font-family:var(--display);font-weight:500;font-size:8.6cqw;line-height:1.1;text-wrap:balance;text-align:right}
.thumb .ts{position:absolute;right:7cqw;bottom:8cqw;font-size:3.6cqw;opacity:.75}
.t1{--t1:#F6ECDF;--t2:#D9C1A4}
.t2{--t1:#EEE6DA;--t2:#BCA992}
.t3{--t1:#F5E6D2;--t2:#D6AF86}
.t4{--t1:#ECE3D4;--t2:#B7A283}
.t5{--t1:#F7EDE4;--t2:#D7B7A2}

.card.has-thumb{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:center}
.card .cthumb{border-radius:14px;overflow:hidden;box-shadow:0 8px 20px -12px rgba(20,6,2,.6)}
.card .ctext{min-width:0}
@media (max-width:520px){.card.has-thumb{grid-template-columns:1fr}}

.back{background:none;border:0;color:var(--muted);padding:22px 0 6px;font-size:14px}
.lhead h1{font-family:var(--display);font-weight:500;font-size:clamp(30px,6vw,44px);margin:4px 0 6px;line-height:1.15;text-wrap:balance}
.lhead p{margin:0;color:var(--muted)}
.eyebrow{font-size:13px;letter-spacing:.6px;color:var(--glow);font-weight:500}
.video{margin-top:20px;aspect-ratio:16/9;max-width:100%;width:100%;border-radius:var(--r-lg);overflow:hidden;position:relative;border:1px solid var(--edge);padding:0;
  background:radial-gradient(120% 90% at 70% 30%, #F4E9DC 0%, #DCC6AE 55%, #B99A7C 100%);color:#3A1D12;display:grid;place-items:center;box-shadow:0 24px 50px -24px rgba(10,3,1,.8)}
.video .thumb{position:absolute;inset:0;aspect-ratio:auto;height:100%}
.video .play{position:absolute;left:23%;top:50%;transform:translate(-50%,-50%)}
.video .thumb.photo ~ .play{left:50%;background:rgba(255,250,244,.6)}
.video .thumb.photo ~ .vlabel{color:#fff;opacity:1;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.play{position:relative;width:76px;height:76px;border-radius:50%;background:rgba(255,250,244,.45);border:1px solid rgba(90,46,30,.25);display:grid;place-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.play svg{margin-right:-4px}
.vlabel{position:absolute;bottom:14px;left:18px;display:flex;font-size:13px;opacity:.85;font-variant-numeric:tabular-nums}
.vnote{position:absolute;top:14px;left:18px;font-size:12px;background:rgba(255,250,244,.55);padding:4px 12px;border-radius:var(--r-pill)}
.notes{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.warn{border-radius:var(--r-md);padding:12px 16px;font-size:14px}
.cols{display:grid;grid-template-columns:1fr;gap:22px;margin-top:26px}
.sec{border-radius:var(--r-lg);padding:22px 22px 18px}
.sec h2{font-family:var(--display);font-weight:500;font-size:23px;margin:0 0 12px}
.toc{list-style:none;padding:0;margin:0}
.toc li{display:flex;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid rgba(255,236,220,.12);font-size:15px}
.toc li:last-child{border-bottom:0}
.toc li span{color:var(--glow);font-variant-numeric:tabular-nums;font-size:13px;min-width:1.5em}
.q{background:rgba(255,240,228,.10);border:1px solid rgba(255,236,220,.2);border-radius:var(--r-md);padding:16px 18px;margin-bottom:12px}
.q label{display:block;font-family:var(--display);font-size:18px;margin-bottom:8px}
.q textarea{width:100%;min-height:88px;border:1px solid var(--edge);border-radius:14px;background:rgba(20,8,4,.18);color:var(--ink);font:inherit;padding:10px 14px;resize:vertical}
.q textarea::placeholder{color:var(--muted)}
.hint{font-size:13px;color:var(--muted);margin:0 0 14px}
.done-row{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.saved{font-size:13px;color:var(--ok)}
.foot{margin-top:56px;text-align:center;color:var(--muted);font-size:13px}
.foot button{background:none;border:0;color:var(--muted);text-decoration:underline;font-size:13px}

/* journal + exercises */
.journal{margin-top:30px;display:flex;flex-direction:column;gap:16px}
.jhead h2{font-family:var(--display);font-weight:500;font-size:28px;margin:0 0 4px}
.jhead .hint{margin:0}
.privacy{margin:8px 0 0;font-size:13.5px;color:var(--ink);background:rgba(31,77,54,.55);border:1px solid rgba(160,210,180,.35);border-radius:var(--r-md);padding:9px 14px}
.ex{border-radius:var(--r-lg);padding:20px 22px 10px}
.exh{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.exh h3{font-family:var(--display);font-weight:500;font-size:22px;margin:0}
.chip.time{color:var(--glow);border-color:rgba(232,192,138,.5);font-variant-numeric:tabular-nums}
.exi{color:var(--muted);font-size:14.5px;margin:6px 0 14px;max-width:62ch}
.q b{color:var(--glow);font-weight:500}
.medlink{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center;border:1px dashed var(--edge);border-radius:var(--r-md);padding:10px 14px;margin-bottom:12px;font-size:14px}
.soonnote{color:var(--muted);font-size:13px}
.savestate{min-height:1.4em;margin:0;font-size:13px;color:var(--ok)}
.savestate[data-s="saving"]{color:var(--muted)}
.savestate[data-s="error"]{color:#F2B8A8}
.avatar{overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.tbtn{border:1px solid rgba(232,192,138,.6);background:rgba(232,192,138,.18);color:var(--ink);border-radius:var(--r-pill);padding:5px 14px;font-size:13px}
.tbtn:hover{background:rgba(232,192,138,.3)}
@media (max-width:520px){.demo{display:none}}

/* Kira's answers view */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 20px}
.fchip{border:1px solid var(--edge);background:var(--glass);color:var(--ink);border-radius:var(--r-pill);padding:7px 16px;font-size:14px}
.fchip.on{background:var(--glow);color:var(--on-glow);border-color:var(--glow)}
.tlist{display:flex;flex-direction:column;gap:16px}
.empty{border-radius:var(--r-lg);padding:22px;color:var(--muted);text-align:center}
.student{border-radius:var(--r-lg);padding:20px 22px}
.sh{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.sh b{display:block;font-size:17px}
.sh small{color:var(--muted);font-size:12.5px;font-variant-numeric:tabular-nums}
.sav{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--glass)}
.sl{border-top:1px solid rgba(255,236,220,.16);padding-top:12px;margin-top:12px}
.sl h4{font-family:var(--display);font-weight:500;font-size:19px;margin:0 0 8px;color:var(--glow)}
.sq{margin:10px 0 2px;color:var(--muted);font-size:13.5px}
.sa{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;background:rgba(255,240,228,.08);border-radius:14px;padding:10px 14px}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}