:root{--r:16px;--maxw:860px}
:root,:root[data-theme="dark"]{--bg:#0b0a0d;--bg2:#131116;--card:#1a171d;--card2:#221e26;--ink:#f4ede1;--mut:#b9afa0;--gold1:#f6dc90;--gold2:#cfa84c;--gold3:#8c6c20;--accent:#e9845c;--line:#312c37;--ok:#7bd3a0;--bad:#ff9090;--shadow:0 10px 30px rgba(0,0,0,.45);--foil:linear-gradient(120deg,#f6dc90 0%,#cfa84c 40%,#fff1b8 55%,#a8832d 100%)}
:root[data-theme="light"]{--bg:#fbf7ee;--bg2:#f1e9d7;--card:#ffffff;--card2:#f8f1e1;--ink:#1d1912;--mut:#6a6154;--gold1:#b98a15;--gold2:#8d6a0f;--gold3:#6b4f08;--accent:#c4552b;--line:#e2d7bd;--ok:#1f7a49;--bad:#b3261e;--shadow:0 8px 24px rgba(80,60,10,.14);--foil:linear-gradient(120deg,#a9780f 0%,#d4a62c 45%,#8d6a0f 100%)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.6;font-size:16px;min-height:100vh;padding-bottom:84px}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(1000px 500px at 85% -10%,rgba(207,168,76,.12),transparent 60%),radial-gradient(700px 400px at -10% 30%,rgba(233,132,92,.08),transparent 60%);z-index:0}
a{color:var(--gold1)}
:root[data-theme="light"] a{color:#8d6a0f}
h1,h2,h3,h4{font-family:Fraunces,Georgia,"Times New Roman",serif;line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,6vw,2.6rem);font-weight:800}
h2{font-size:clamp(1.3rem,4.5vw,1.8rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{margin:.3em 0 .8em}
.mono{font-family:"Space Mono",ui-monospace,Menlo,monospace}
.foil{background:var(--foil);-webkit-background-clip:text;background-clip:text;color:transparent}
header.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:10px 14px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.logo{width:40px;height:40px;border-radius:12px;background:var(--foil);display:grid;place-items:center;font-family:"Space Mono",monospace;font-weight:700;color:#201803;font-size:.85rem;user-select:none;cursor:pointer;box-shadow:var(--shadow);flex:none}
.brand{flex:1;min-width:0;line-height:1.15}
.brand b{display:block;font-family:Fraunces,serif;font-size:.98rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand span{font-size:.72rem;color:var(--mut)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.seg button{background:transparent;color:var(--mut);border:0;padding:6px 11px;font:600 .78rem "Space Mono",monospace;cursor:pointer}
.seg button.on{background:var(--foil);color:#201803}
.iconbtn{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:999px;width:38px;height:38px;cursor:pointer;font-size:1rem}
main{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:16px 14px 30px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:0 0 14px;box-shadow:var(--shadow)}
.card.gold{border-color:var(--gold2);background:linear-gradient(180deg,color-mix(in srgb,var(--gold2) 10%,var(--card)),var(--card))}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--gold2);background:var(--foil);color:#1c1503;font:700 .92rem "Be Vietnam Pro",sans-serif;padding:10px 16px;border-radius:999px;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.small{padding:6px 12px;font-size:.8rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
.chip{display:inline-block;font:700 .7rem "Space Mono",monospace;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--mut);margin:2px 4px 2px 0}
.chip.tag{color:var(--gold1);border-color:color-mix(in srgb,var(--gold2) 55%,var(--line))}
:root[data-theme="light"] .chip.tag{color:#7a5a0a}
.lock{color:var(--accent)}
.muted{color:var(--mut)}
.small{font-size:.85rem}
.bar{height:10px;border-radius:999px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--foil);border-radius:999px;transition:width .4s}
nav.bottom{position:fixed;left:0;right:0;bottom:0;z-index:25;display:flex;justify-content:space-around;padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
nav.bottom button{flex:1;max-width:120px;background:transparent;border:0;color:var(--mut);display:flex;flex-direction:column;align-items:center;gap:2px;font:600 .68rem "Be Vietnam Pro",sans-serif;padding:6px 2px;cursor:pointer;border-radius:12px}
nav.bottom button span{font-size:1.25rem}
nav.bottom button.on{color:var(--gold1);background:color-mix(in srgb,var(--gold2) 14%,transparent)}
.hero{padding:22px 16px;border-radius:22px;border:1px solid var(--gold2);background:radial-gradient(600px 240px at 90% 0,rgba(207,168,76,.2),transparent 70%),var(--card);margin-bottom:14px}
.kicker{font:700 .72rem "Space Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.quote{border-left:3px solid var(--gold2);padding:6px 0 6px 12px;font-family:Fraunces,serif;font-style:italic;margin:10px 0}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.84rem}
th,td{padding:8px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font:700 .7rem "Space Mono",monospace;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}
.sticky1 th:first-child,.sticky1 td:first-child{position:sticky;left:0;background:var(--card);z-index:1;min-width:150px}
.dot{font-size:1.05rem;text-align:center}
.felt{display:grid;gap:10px}
.felt>div{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--card2)}
.felt b.lbl{display:block;font:700 .68rem "Space Mono",monospace;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;margin-bottom:4px}
.portable{font-family:Fraunces,serif;font-size:1.25rem;font-weight:700}
.lesson h3{display:flex;gap:8px;align-items:baseline}
.lesson .num{font:700 .75rem "Space Mono",monospace;color:var(--accent)}
.overlay{position:relative}
.lockbox{border:1px dashed var(--gold2);border-radius:14px;padding:16px;text-align:center;background:color-mix(in srgb,var(--gold2) 7%,var(--card))}
.modal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.65);display:none;align-items:center;justify-content:center;padding:16px}
.modal.on{display:flex}
.modal .box{background:var(--card);border:1px solid var(--gold2);border-radius:18px;padding:18px;width:100%;max-width:420px;box-shadow:var(--shadow)}
input[type=text],input[type=password],input[type=number],textarea,input[type=url]{width:100%;background:var(--bg2);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:500 1rem "Be Vietnam Pro",sans-serif}
input[type=range]{width:100%;accent-color:var(--gold2)}
label.chk{display:flex;gap:10px;align-items:flex-start;padding:9px 6px;border-bottom:1px solid var(--line);cursor:pointer}
label.chk input{margin-top:5px;accent-color:var(--gold2);width:18px;height:18px;flex:none}
.opt{display:block;width:100%;text-align:left;margin:8px 0;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card2);color:var(--ink);font:500 .95rem "Be Vietnam Pro",sans-serif;cursor:pointer}
.opt.sel{border-color:var(--gold2)}
.opt.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,var(--card2))}
.opt.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 12%,var(--card2))}
.crisis{border:1px solid var(--accent);border-radius:12px;padding:12px;background:color-mix(in srgb,var(--accent) 10%,var(--card));font-size:.9rem}
.scene{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:#222}
.scene svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.scene .top-layer{clip-path:inset(0 var(--cut,50%) 0 0)}
.divider{position:absolute;top:0;bottom:0;width:3px;background:#fff;box-shadow:0 0 8px rgba(0,0,0,.6);left:calc(100% - var(--cut,50%))}
.breath{width:110px;height:110px;border-radius:50%;margin:10px auto;background:var(--foil);opacity:.85;animation:breathe 10s ease-in-out infinite}
@keyframes breathe{0%{transform:scale(.7)}40%{transform:scale(1.15)}100%{transform:scale(.7)}}
.dots{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;max-width:360px}
.dots i{aspect-ratio:1;border-radius:50%;display:block}
.ring{width:130px;height:130px;margin:6px auto;position:relative}
.ring svg{transform:rotate(-90deg)}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font:700 2rem "Space Mono",monospace}
.days{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:8px}
.day{border:1px solid var(--line);border-radius:12px;padding:8px 2px;text-align:center;font:700 .85rem "Space Mono",monospace;background:var(--card2);cursor:pointer;color:var(--ink)}
.day.done{background:var(--foil);color:#1c1503;border-color:var(--gold2)}
.day.today{outline:2px solid var(--accent)}
.diploma-wrap{overflow:auto}
.diploma{background:#fffaf0;color:#2b2210;border:10px double #b08a2a;padding:30px 24px;text-align:center;max-width:760px;margin:0 auto;font-family:Fraunces,Georgia,serif;position:relative}
.diploma h1{color:#7a5a0a;font-size:clamp(1.3rem,4.5vw,2.2rem)}
.diploma .nm{font-size:clamp(1.5rem,6vw,2.6rem);font-weight:800;border-bottom:2px solid #b08a2a;display:inline-block;padding:0 14px;margin:8px 0}
.diploma .fine{font:500 .78rem "Be Vietnam Pro",sans-serif;color:#5a4a22}
.diploma .seal{width:78px;height:78px;border-radius:50%;margin:10px auto;background:radial-gradient(circle,#f6dc90,#b08a2a);display:grid;place-items:center;color:#3a2a05;font:700 .8rem "Space Mono",monospace;box-shadow:0 3px 10px rgba(0,0,0,.3)}
pre.vault{white-space:pre-wrap;word-break:break-word;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px;font:.8rem/1.5 "Space Mono",monospace;max-height:260px;overflow:auto;color:var(--ink)}
.field{border:1px solid var(--line);border-radius:12px;padding:10px;margin:8px 0;background:var(--card2)}
.field b{font:700 .7rem "Space Mono",monospace;color:var(--accent);text-transform:uppercase}
.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);background:var(--card);border:1px solid var(--gold2);color:var(--ink);padding:9px 16px;border-radius:999px;z-index:80;font-size:.85rem;box-shadow:var(--shadow);display:none}
.toast.on{display:block}
footer.foot{max-width:var(--maxw);margin:0 auto;padding:6px 16px 30px;color:var(--mut);font-size:.78rem;position:relative;z-index:1}
#printroot{display:none}
@media print{
  body{background:#fff;color:#000;padding:0}
  body::before{display:none}
  body.is-printing>*:not(#printroot){display:none!important}
  body.is-printing #printroot{display:block!important}
  .diploma{border-color:#8a6a1f;box-shadow:none}
  @page{margin:12mm}
}
@media (prefers-reduced-motion:reduce){.breath{animation:none}*{scroll-behavior:auto!important}}