/* Layout: sticky ivory header → split hero (thesis + living letter) → alternating ivory/cream bands, tutor + brain as the centrepiece */
:root{
  --bg:#FFF9EE; --surface:#FFFDF8; --cream:#F5EBDD; --ink:#13261F; --muted:#56675E;
  --green:#064E3B; --green-deep:#033B2F; --on-green:#FFF9EE; --gold:#C58A28; --gold-soft:#F4E2BC;
  --line:rgba(6,78,59,.14); --line-strong:rgba(6,78,59,.28);
  --mint:#DCF0E3; --sky:#DDEAF6; --peach:#FBE2D0; --lilac:#E8E0F5; --butter:#FAEDC4; --rose:#F8DCE0;
  --good:#1F7A4D; --warn:#B7791F; --bad:#B4413A;
  --shadow:0 1px 2px rgba(3,59,47,.06),0 8px 24px rgba(3,59,47,.08);
  --f-display:"Baloo Chettan 2","Manjari","Noto Sans Malayalam",system-ui,sans-serif;
  --f-body:"Nunito Sans","Manjari","Noto Sans Malayalam",system-ui,sans-serif;
  --f-ml:"Manjari","Baloo Chettan 2","Noto Sans Malayalam",sans-serif;
  --r:14px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0A1813; --surface:#10231C; --cream:#142C23; --ink:#ECF2EC; --muted:#9FB3A8;
  --green:#46BE92; --green-deep:#0D3A2D; --on-green:#05211A; --gold:#E3B159; --gold-soft:#3A2F17;
  --line:rgba(160,220,195,.14); --line-strong:rgba(160,220,195,.28);
  --mint:#173B2D; --sky:#17304A; --peach:#43291C; --lilac:#2E2645; --butter:#3B3317; --rose:#432228;
  --good:#5CCB8F; --warn:#E3B159; --bad:#E57A72; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0A1813; --surface:#10231C; --cream:#142C23; --ink:#ECF2EC; --muted:#9FB3A8;
  --green:#46BE92; --green-deep:#0D3A2D; --on-green:#05211A; --gold:#E3B159; --gold-soft:#3A2F17;
  --line:rgba(160,220,195,.14); --line-strong:rgba(160,220,195,.28);
  --mint:#173B2D; --sky:#17304A; --peach:#43291C; --lilac:#2E2645; --butter:#3B3317; --rose:#432228;
  --good:#5CCB8F; --warn:#E3B159; --bad:#E57A72; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  color-scheme:dark}
/* Base reset (the site runs standalone) */
html{-webkit-text-size-adjust:100%;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img,svg,canvas{max-width:100%}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
.ml{font-family:var(--f-ml);line-height:1.75}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.15;margin:0;text-wrap:balance;color:var(--ink)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0}
a{color:var(--green)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.band{padding-block:72px}
.band.alt{background:var(--cream)}
.eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.lede{color:var(--muted);max-width:62ch;font-size:1.05rem}
.sec-head{display:grid;gap:10px;margin-bottom:32px}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font-weight:800;cursor:pointer;text-decoration:none;transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:var(--on-green)}
.btn-primary:hover{background:var(--green-deep);color:#FFF9EE}
.btn-gold{background:var(--gold);color:#241603}
.btn-ghost{background:transparent;border:1.5px solid var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green)}
.btn-sm{padding:7px 14px;font-size:.88rem}
.chip{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line-strong);background:var(--surface);border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:700;cursor:pointer}
.chip[aria-pressed="true"],.chip.on{background:var(--green);border-color:var(--green);color:var(--on-green)}
.pill{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:3px 9px}

/* Header */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--green);color:var(--gold);display:grid;place-items:center;font-family:var(--f-display);font-size:1.6rem;font-weight:800;line-height:1;padding-top:4px}
.logo b{font-family:var(--f-display);font-size:1.3rem;font-weight:800;color:var(--green)}
.logo b span{color:var(--gold)}
.logo small{display:block;font-size:.68rem;color:var(--muted);font-family:var(--f-ml);margin-top:-4px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--ink);font-weight:700;font-size:.93rem}
.nav a:hover{background:var(--cream)}
.hdr-cta{display:flex;gap:8px;align-items:center}
.menu-btn{display:none;margin-left:auto;background:none;border:1.5px solid var(--line-strong);border-radius:10px;width:44px;height:40px;cursor:pointer}
.menu-btn span{display:block;height:2px;width:20px;background:var(--ink);margin:4px auto;border-radius:2px}
.drawer{display:none}
@media (max-width:1020px){.nav,.hdr-cta .btn-ghost{display:none}.menu-btn{display:block}.hdr-cta{order:3}}
@media (max-width:520px){.hdr-cta{display:none}}
.drawer.open{display:grid;gap:2px;padding:10px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));border-top:1px solid var(--line);background:var(--bg)}
.drawer a{padding:12px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:700}
.drawer a:hover{background:var(--cream)}

/* Hero */
.hero{padding-block:56px 64px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.3rem,5.6vw,4.1rem);font-weight:800;color:var(--green);line-height:1.12}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero .sub{font-size:1.15rem;color:var(--muted);max-width:52ch;margin-top:16px}
.hero .sub-ml{font-family:var(--f-ml);font-size:1.05rem;color:var(--ink);margin-top:14px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;color:var(--muted);font-size:.9rem}
.hero-facts b{display:block;font-family:var(--f-display);font-size:1.6rem;color:var(--ink);line-height:1.1}
.stage{position:relative;aspect-ratio:1/1;max-width:500px;width:100%;margin-left:auto;border-radius:32px;background:radial-gradient(120% 90% at 30% 20%,var(--mint),transparent 60%),radial-gradient(90% 80% at 85% 90%,var(--gold-soft),transparent 60%),var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.stage svg.frond{position:absolute;inset:auto -6% -8% auto;width:62%;opacity:.9}
.stage .big{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:min(62vw,280px);line-height:1;color:var(--green);padding-top:6%;transition:opacity .45s,transform .45s}
.stage .big.swap{opacity:0;transform:scale(.94)}
.stage .big span{background:linear-gradient(160deg,var(--green) 30%,var(--gold) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}
.stage .tag{position:absolute;left:22px;top:22px;display:flex;gap:8px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 12px 6px 6px;font-weight:800;font-size:.85rem}
.stage .tag i{width:26px;height:26px;border-radius:50%;background:var(--gold);display:inline-block;position:relative}
.stage .tag i::after{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--bg)}
.stage .word{position:absolute;left:22px;right:22px;bottom:22px;display:flex;align-items:center;gap:14px;background:color-mix(in srgb,var(--bg) 92%,transparent);border:1px solid var(--line);border-radius:18px;padding:12px 14px;backdrop-filter:blur(6px)}
.stage .word .w-ml{font-family:var(--f-ml);font-size:1.5rem;font-weight:700;line-height:1.3}
.stage .word .w-en{color:var(--muted);font-size:.9rem}
.stage .word .listen{margin-left:auto}
.icon-btn{width:42px;height:42px;border-radius:50%;border:0;background:var(--green);color:var(--on-green);display:grid;place-items:center;cursor:pointer;flex:none}
.icon-btn svg{width:18px;height:18px}
.icon-btn.ghost{background:var(--cream);color:var(--green)}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.stage{margin:0 auto;max-width:420px}}

/* Quick cards */
.quick{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:-8px}
.qcard{display:grid;gap:8px;padding:18px 16px;border-radius:var(--r);text-decoration:none;color:var(--ink);border:1px solid var(--line);transition:transform .15s,box-shadow .15s}
.qcard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.qcard .g{font-family:var(--f-display);font-size:2rem;font-weight:800;line-height:1;color:var(--green)}
.qcard b{font-size:.98rem}
.qcard span{font-family:var(--f-ml);font-size:.86rem;color:var(--muted);line-height:1.4}
@media (max-width:980px){.quick{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.quick{grid-template-columns:repeat(2,1fr)}}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{position:relative;padding-top:52px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;border:2px solid var(--gold);color:var(--gold);display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:1.1rem;padding-top:3px}
.step::after{content:"";position:absolute;top:19px;left:48px;right:-8px;height:2px;background:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 12px)}
.step:last-child::after{display:none}
.step h3{margin-bottom:6px}
.step p{color:var(--muted);font-size:.95rem}
@media (max-width:820px){.steps{grid-template-columns:1fr 1fr}.step::after{display:none}}
@media (max-width:460px){.steps{grid-template-columns:1fr}}

/* Tutor */
.tutor{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
@media (max-width:980px){.tutor{grid-template-columns:1fr}}
.chat{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:560px;overflow:hidden}
.chat-top{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.bot-face{width:42px;height:42px;border-radius:14px;background:var(--green);display:grid;place-items:center;flex:none}
.bot-face svg{width:26px;height:26px}
.chat-top b{display:block;font-family:var(--f-display);font-size:1.1rem}
.chat-top small{color:var(--muted);font-size:.8rem}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--good);margin-right:5px;vertical-align:1px}
.chat-ctrls{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.chat-ctrls select{border:1.5px solid var(--line-strong);background:var(--bg);border-radius:10px;padding:6px 10px;font-size:.85rem;font-weight:700}
.msgs{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:14px;max-height:560px;min-height:340px}
.msg{max-width:86%;display:grid;gap:6px}
.msg.me{align-self:flex-end}
.bubble{padding:11px 15px;border-radius:18px;line-height:1.6;overflow-wrap:anywhere}
.msg.me .bubble{background:var(--green);color:var(--on-green);border-bottom-right-radius:6px}
.msg.bot .bubble{background:var(--cream);border-bottom-left-radius:6px}
.bubble .mlt{font-family:var(--f-ml);font-size:1.12em}
.bubble ul{margin:6px 0;padding-left:20px}
.bubble strong{color:inherit}
.meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.76rem;color:var(--muted)}
.src{font-weight:800;border-radius:999px;padding:2px 8px;font-size:.7rem;letter-spacing:.04em;text-transform:uppercase}
.src.brain{background:var(--butter);color:var(--ink)}
.src.learned{background:var(--mint);color:var(--ink)}
.src.claude{background:var(--lilac);color:var(--ink)}
.src.teach{background:var(--peach);color:var(--ink)}
.mini{border:1px solid var(--line-strong);background:var(--surface);border-radius:999px;padding:2px 9px;font-size:.74rem;font-weight:700;cursor:pointer;color:var(--ink)}
.mini:hover{border-color:var(--green)}
.mini.done{background:var(--mint);border-color:transparent}
.follow{display:flex;gap:6px;flex-wrap:wrap}
.typing{display:inline-flex;gap:4px;padding:4px 0}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:b 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes b{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.prompts{display:flex;gap:8px;overflow-x:auto;padding:0 18px 10px;scrollbar-width:thin}
.prompts button{flex:none}
.composer{display:flex;gap:10px;padding:12px 14px;border-top:1px solid var(--line);align-items:flex-end}
.composer textarea{flex:1;min-width:0;resize:none;border:1.5px solid var(--line-strong);border-radius:16px;padding:11px 14px;background:var(--bg);max-height:140px;line-height:1.5}
.composer textarea:focus{outline:none;border-color:var(--green)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:20px;display:grid;gap:16px}
.panel h3{display:flex;align-items:center;gap:8px}
.brain-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.brain-stats div{background:var(--cream);border-radius:12px;padding:10px;text-align:center}
.brain-stats b{display:block;font-family:var(--f-display);font-size:1.5rem;line-height:1.1;font-variant-numeric:tabular-nums}
.brain-stats span{font-size:.72rem;color:var(--muted);font-weight:700}
.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:700;font-size:.92rem}
.switch{position:relative;width:46px;height:26px;flex:none}
.switch input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer;z-index:1}
.switch span{position:absolute;inset:0;border-radius:999px;background:var(--line-strong);transition:background .2s}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--surface);transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--green)}
.switch input:checked+span::after{transform:translateX(20px)}
.switch input:focus-visible+span{outline:3px solid var(--gold);outline-offset:2px}
.pipe{display:grid;gap:0;font-size:.86rem}
.pipe div{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:6px 0;position:relative}
.pipe div::before{content:"";width:10px;height:10px;border-radius:50%;border:2px solid var(--gold);margin:6px 0 0 4px;background:var(--surface);z-index:1}
.pipe div:not(:last-child)::after{content:"";position:absolute;left:10px;top:20px;bottom:-8px;width:2px;background:var(--line-strong)}
.pipe b{display:block}
.pipe span{color:var(--muted)}
.teach{display:grid;gap:8px}
.teach input,.teach textarea{width:100%;border:1.5px solid var(--line-strong);border-radius:12px;padding:9px 12px;background:var(--bg);font-size:.92rem}
.teach textarea{min-height:70px;resize:vertical}
.note{font-size:.8rem;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(20px);background:var(--green-deep);color:#FFF9EE;padding:10px 18px;border-radius:999px;font-weight:700;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:80;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Letters */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.letters{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px;align-items:start}
@media (max-width:900px){.letters{grid-template-columns:1fr}}
.lgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px}
.lcell{aspect-ratio:1/1;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);font-family:var(--f-display);font-size:1.75rem;font-weight:700;cursor:pointer;display:grid;place-items:center;line-height:1;padding-top:6px;position:relative;color:var(--ink)}
.lcell:hover{border-color:var(--green)}
.lcell.sel{background:var(--green);color:var(--on-green);border-color:var(--green)}
.lcell .m{position:absolute;bottom:5px;left:50%;transform:translateX(-50%);display:flex;gap:2px}
.lcell .m i{width:5px;height:5px;border-radius:50%;background:var(--line-strong)}
.lcell .m i.f{background:var(--gold)}
.ldetail{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;display:grid;gap:14px}
.ld-top{display:flex;gap:18px;align-items:center}
.ld-glyph{font-family:var(--f-display);font-size:5.5rem;font-weight:800;line-height:1;color:var(--green);padding-top:10px;min-width:96px;text-align:center}
.ld-top .rom{font-weight:800;font-size:1.2rem}
.ld-top .kind{color:var(--muted);font-size:.85rem}
.ld-word{display:flex;align-items:center;gap:12px;background:var(--cream);border-radius:14px;padding:12px 14px}
.ld-word .ml{font-size:1.35rem;font-weight:700}
.trace-wrap{position:relative;border-radius:16px;border:1.5px dashed var(--line-strong);background:var(--bg);aspect-ratio:16/10;overflow:hidden;touch-action:none}
.trace-wrap .ghost{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:min(42vw,190px);color:var(--line-strong);line-height:1;padding-top:6%;pointer-events:none;user-select:none}
.trace-wrap canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* Speech */
.phrases{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.phrase{display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.phrase > div{min-width:0;flex:1}
.phrase .ml{font-size:1.15rem;font-weight:700;line-height:1.5}
.phrase .r{font-size:.85rem;color:var(--gold);font-weight:700}
.phrase .e{font-size:.85rem;color:var(--muted)}
.dialogue{margin-top:26px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}
@media (max-width:820px){.dialogue{grid-template-columns:1fr}}
.dlg{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:20px;display:grid;gap:10px}
.line{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center}
.line .who{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.8rem}
.line .ml{font-weight:700}
.line small{display:block;color:var(--muted);font-size:.8rem;line-height:1.35}
.voice-note{font-size:.85rem;color:var(--muted);background:var(--butter);border-radius:12px;padding:10px 14px}

/* Grammar */
.gram{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:760px){.gram{grid-template-columns:1fr}}
details.g{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:0 18px}
details.g summary{cursor:pointer;list-style:none;padding:16px 0;display:flex;align-items:center;gap:12px}
details.g summary::-webkit-details-marker{display:none}
details.g summary .t{flex:1}
details.g summary .t b{display:block;font-family:var(--f-ml);font-size:1.15rem}
details.g summary .t span{font-size:.85rem;color:var(--muted)}
details.g summary::after{content:"+";font-size:1.4rem;font-weight:800;color:var(--gold);transition:transform .2s}
details.g[open] summary::after{transform:rotate(45deg)}
details.g .body{padding-bottom:16px;display:grid;gap:10px;font-size:.95rem}
.tbl{overflow-x:auto}
.tbl table{border-collapse:collapse;width:100%;font-size:.9rem}
.tbl th,.tbl td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line)}
.tbl th{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.tbl td.ml{font-size:1.02rem}

/* Quiz */
.quizwrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:22px;align-items:start}
@media (max-width:900px){.quizwrap{grid-template-columns:1fr}}
.quiz{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px;display:grid;gap:16px}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.qprompt{font-size:1.05rem;font-weight:700}
.qbig{font-family:var(--f-display);font-size:4rem;font-weight:800;color:var(--green);text-align:center;line-height:1.1;padding-top:10px}
.qbig.word{font-family:var(--f-ml);font-size:2.2rem}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{border:1.5px solid var(--line-strong);background:var(--bg);border-radius:14px;padding:12px;font-weight:700;cursor:pointer;text-align:center;font-size:1rem;min-height:52px}
.opt:hover{border-color:var(--green)}
.opt.right{background:var(--mint);border-color:var(--good)}
.opt.wrong{background:var(--rose);border-color:var(--bad)}
.opt.mlo{font-family:var(--f-ml);font-size:1.2rem}
.qfeed{min-height:24px;font-weight:700}
.bar{height:8px;background:var(--cream);border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--gold));border-radius:999px;transition:width .4s}
.mastery{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:5px}
.mastery span{aspect-ratio:1/1;border-radius:8px;display:grid;place-items:center;font-family:var(--f-display);font-weight:700;font-size:1.05rem;line-height:1;padding-top:4px}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.legend i{display:inline-block;width:12px;height:12px;border-radius:4px;vertical-align:-1px;margin-right:4px}

/* Classes */
.grades{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.grades .chip{min-width:52px;justify-content:center}
.class-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px}
@media (max-width:760px){.class-card{grid-template-columns:1fr}}
.class-card ul{margin:0;padding-left:20px;display:grid;gap:6px}
.class-card .ml{font-size:1.05rem}
.disclaim{font-size:.82rem;color:var(--muted);margin-top:12px}

/* Literature */
.authors{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.author{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:grid;gap:8px;align-content:start}
.author .ini{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:1.4rem;padding-top:4px}
.author b{font-family:var(--f-ml);font-size:1.1rem;line-height:1.4}
.author .en{font-size:.85rem;color:var(--muted);margin-top:-6px}
.author p{font-size:.9rem}

/* Progress */
.prog{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:820px){.prog{grid-template-columns:1fr 1fr}}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:grid;gap:4px}
.pcard b{font-family:var(--f-display);font-size:2.1rem;line-height:1.1;font-variant-numeric:tabular-nums}
.pcard span{color:var(--muted);font-size:.85rem;font-weight:700}

/* Pricing */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:stretch}
@media (max-width:980px){.plans{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.plans{grid-template-columns:1fr}}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;display:flex;flex-direction:column;gap:12px}
.plan.feat{background:var(--green-deep);color:#FFF9EE;border-color:transparent}
.plan.feat h3,.plan.feat .price{color:#FFF9EE}
.plan.feat li::before{color:#E3B159}
.plan.feat .note{color:#B8D3C6}
.price{font-family:var(--f-display);font-size:2.2rem;font-weight:800;line-height:1}
.price small{font-size:.9rem;font-weight:600;opacity:.75}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:.92rem;flex:1}
.plan li{display:grid;grid-template-columns:18px 1fr;gap:6px}
.plan li::before{content:"✓";color:var(--good);font-weight:800}
.faq{display:grid;gap:10px;margin-top:40px;max-width:820px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:0 18px}
.faq summary{cursor:pointer;padding:15px 0;font-weight:800;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details p{padding-bottom:15px;color:var(--muted)}

/* Footer */
footer{background:var(--green-deep);color:#D6E6DD;padding-block:48px 28px}
footer .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
@media (max-width:760px){footer .cols{grid-template-columns:1fr 1fr}}
footer h4{color:#FFF9EE;font-size:1rem;margin-bottom:10px}
footer a{color:#D6E6DD;text-decoration:none;display:block;padding:3px 0;font-size:.92rem}
footer a:hover{color:#E3B159}
footer .fine{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;font-size:.82rem;color:#9DBAAD;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer .logo b{color:#FFF9EE}
footer .logo small{color:#9DBAAD}

/* ===== Pack additions: views, translate, typing, keyboard, speech, teacher, path ===== */
.view{animation:vin .25s ease}
@keyframes vin{from{opacity:.4;transform:translateY(6px)}to{opacity:1;transform:none}}
.nav a[aria-current="page"],.drawer a[aria-current="page"]{background:var(--green);color:var(--on-green)}
.more{position:relative}
.more>button{padding:8px 12px;border-radius:999px;border:0;background:none;font-weight:700;font-size:.93rem;cursor:pointer}
.more>button:hover{background:var(--cream)}
.more-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:6px;display:grid;min-width:200px;z-index:55}
.more-menu a{border-radius:10px}
.page-head{padding-block:44px 8px}
.page-head h1{font-size:clamp(2rem,4.6vw,3rem);font-weight:800;color:var(--green)}
.page-head p{margin-top:10px}
.mode-badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:800;border-radius:999px;padding:4px 10px;background:var(--butter);color:var(--ink)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;display:grid;gap:14px;align-content:start}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:start}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:900px){.grid2{grid-template-columns:1fr}.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.grid3{grid-template-columns:1fr}}
.field{display:grid;gap:6px}
.field label{font-size:.82rem;font-weight:800;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--line-strong);border-radius:12px;padding:10px 12px;background:var(--bg);font-size:1rem}
.field textarea{resize:vertical;min-height:120px;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.ta-ml{font-family:var(--f-ml);font-size:1.2rem!important;line-height:1.7!important}

/* Translate */
.tx{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:14px;align-items:stretch}
@media (max-width:820px){.tx{grid-template-columns:1fr}.tx .swap{justify-self:center;transform:rotate(90deg)}}
.tx-pane{background:var(--surface);border:1px solid var(--line);border-radius:22px;display:flex;flex-direction:column;min-height:280px;overflow:hidden}
.tx-pane header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);font-weight:800;flex-wrap:wrap}
.tx-pane textarea{flex:1;border:0;background:transparent;padding:16px;resize:none;min-height:180px;font-size:1.15rem;line-height:1.7}
.tx-pane textarea:focus{outline:none}
.tx-out{flex:1;padding:16px;font-size:1.2rem;line-height:1.75;overflow-wrap:anywhere}
.tx-out .rom{display:block;font-family:var(--f-body);font-size:.95rem;color:var(--gold);font-weight:700;margin-top:10px}
.tx-out .muted{color:var(--muted);font-size:1rem}
.tx-pane footer{display:flex;gap:6px;align-items:center;padding:10px 12px;border-top:1px solid var(--line);flex-wrap:wrap}
.tx .swap{align-self:center}
.hist{display:grid;gap:8px}
.hist button{display:grid;text-align:left;gap:2px;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 12px;cursor:pointer}
.hist button:hover{border-color:var(--green)}
.hist small{color:var(--muted)}

/* Keyboard */
.kbd{display:grid;gap:6px;background:var(--cream);border-radius:16px;padding:10px}
.kbd-row{display:flex;flex-wrap:wrap;gap:4px}
.kbd-row .lab{font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);width:100%}
.key{min-width:38px;height:40px;border-radius:9px;border:1px solid var(--line-strong);background:var(--surface);font-family:var(--f-display);font-size:1.15rem;font-weight:700;cursor:pointer;padding:4px 6px 0;line-height:1;color:var(--ink)}
.key:hover{border-color:var(--green)}
.key:active{background:var(--mint)}
.key.wide{min-width:84px;font-family:var(--f-body);font-size:.85rem;padding-top:0}

/* Typing */
.typer{display:grid;gap:16px}
.target{font-family:var(--f-ml);font-size:clamp(1.8rem,5vw,2.8rem);font-weight:700;text-align:center;color:var(--green);line-height:1.4;min-height:1.4em}
.target .hint{display:block;font-family:var(--f-body);font-size:1rem;color:var(--muted);font-weight:700}
.typed{font-family:var(--f-ml);font-size:1.6rem;text-align:center;min-height:2.4rem;line-height:1.5}
.typed.ok{color:var(--good)}.typed.bad{color:var(--bad)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kpis div{background:var(--cream);border-radius:12px;padding:10px;text-align:center}
.kpis b{display:block;font-family:var(--f-display);font-size:1.5rem;line-height:1.1;font-variant-numeric:tabular-nums}
.kpis span{font-size:.72rem;font-weight:800;color:var(--muted)}
@media (max-width:480px){.kpis{grid-template-columns:1fr 1fr}}
.map{overflow-x:auto}
.map table{border-collapse:collapse;font-size:.88rem;width:100%}
.map td{padding:5px 8px;border-bottom:1px solid var(--line)}
.map td:first-child{font-family:var(--f-ml);font-size:1.15rem;font-weight:700}
.map code{background:var(--cream);border-radius:6px;padding:1px 6px;font-weight:800}

/* Speech */
.mic{width:84px;height:84px;border-radius:50%;border:0;background:var(--green);color:var(--on-green);display:grid;place-items:center;cursor:pointer;justify-self:center;position:relative}
.mic svg{width:34px;height:34px}
.mic.live{background:var(--bad);color:#fff}
.mic.live::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:3px solid var(--bad);animation:pulse 1.2s infinite}
@keyframes pulse{from{opacity:.8;transform:scale(.95)}to{opacity:0;transform:scale(1.25)}}
.score-ring{width:120px;height:120px;justify-self:center}
.heard{font-family:var(--f-ml);font-size:1.3rem;text-align:center;min-height:2rem}

/* Teacher */
.out-doc{background:var(--bg);border:1px dashed var(--line-strong);border-radius:16px;padding:22px;min-height:260px;line-height:1.7;overflow-wrap:anywhere}
.out-doc h4{font-size:1.15rem;margin:10px 0 6px}
.out-doc ol,.out-doc ul{padding-left:22px;margin:6px 0}
.out-doc .blank{display:inline-block;min-width:60px;border-bottom:2px solid var(--ink);margin:0 4px}
.feedback-item{border-left:4px solid var(--gold);background:var(--cream);border-radius:0 12px 12px 0;padding:10px 14px}

/* Lesson path */
.path{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.unit{display:grid;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px;text-align:left;cursor:pointer;color:var(--ink)}
.unit:hover{border-color:var(--green)}
.unit .u-top{display:flex;justify-content:space-between;align-items:center}
.unit .g{font-family:var(--f-display);font-size:1.8rem;font-weight:800;color:var(--green);line-height:1}
.unit.locked{opacity:.55}
.unit.done{background:var(--mint)}

@media print{.hdr,footer,.no-print,.drawer{display:none!important}body{background:#fff;color:#000}.out-doc{border:0}}
a.card{text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s,border-color .15s}
a.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-strong)}
a.card h3{color:var(--ink)}