/*
Theme Name: Learneo
Theme URI: https://learneo.pro
Author: Learneo Team
Description: دنیای یادگیری زبان انگلیسی برای فارسی‌زبانان — از صفرِ صفر، با گیمیفیکیشن، موتور یادگیری تطبیقی، تم تاریک/روشن و طراحی RTL.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GPL-2.0-or-later
Text Domain: learneo
*/

/* ============ Design tokens ============ */
:root{
  --ln-bg:#F7F5F1; --ln-bg2:#FFFFFF; --ln-surface:#FFFFFF; --ln-raised:#F0EFEB;
  --ln-text:#28282C; --ln-muted:#75727C; --ln-border:#E5E3DE;
  --ln-accent:#2783DE; --ln-accent-soft:#E5F2FC;
  --ln-green:#46A171; --ln-green-soft:#E8F1EC;
  --ln-orange:#D5803B; --ln-orange-soft:#FBEBDE;
  --ln-red:#D9564A; --ln-red-soft:#FCE9E7;
  --ln-gold:#C89A3D; --ln-purple:#9B6FC3;
  --ln-shadow:0 1px 2px rgba(20,18,40,.05),0 6px 20px rgba(20,18,40,.06);
  --ln-radius:12px; --ln-radius-s:8px;
  --ln-hero-a:#DCEBFB; --ln-hero-b:#F7F0E4;
  --ln-star-op:0;
}
[data-theme="dark"]{
  --ln-bg:#131522; --ln-bg2:#171a2b; --ln-surface:#1C2033; --ln-raised:#272c44;
  --ln-text:#F2F3FA; --ln-muted:rgba(235,237,250,.62); --ln-border:rgba(160,170,220,.18);
  --ln-accent:#5E9FE8; --ln-accent-soft:rgba(94,159,232,.14);
  --ln-green:#72BC8F; --ln-green-soft:rgba(114,188,143,.14);
  --ln-orange:#DE9255; --ln-orange-soft:rgba(222,146,85,.14);
  --ln-red:#E97366; --ln-red-soft:rgba(233,115,102,.14);
  --ln-gold:#E3BC66; --ln-purple:#BF8EDA;
  --ln-shadow:0 1px 2px rgba(0,0,0,.35),0 8px 28px rgba(0,0,0,.35);
  --ln-hero-a:#1b2140; --ln-hero-b:#131522;
  --ln-star-op:1;
}

/* ============ Base ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--ln-bg); color:var(--ln-text);
  font-family:'Vazirmatn','Segoe UI',Tahoma,sans-serif;
  font-size:16px; line-height:1.8; text-align:right;
  transition:background .35s ease,color .35s ease;
  overflow-x:hidden; min-height:100vh;
}
img{max-width:100%;height:auto}
a{color:var(--ln-accent);text-decoration:none}
h1,h2,h3,h4{line-height:1.45;margin:0 0 .5em;font-weight:800}
p{margin:0 0 1em}
button{font-family:inherit}
.ln-container{max-width:1080px;margin:0 auto;padding:0 24px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip-link:focus{position:fixed;top:8px;right:8px;width:auto;height:auto;clip:auto;background:var(--ln-surface);padding:8px 16px;border-radius:8px;z-index:999}
:focus-visible{outline:2px solid var(--ln-accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* ============ Sky background ============ */
.ln-sky{position:fixed;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(1200px 600px at 80% -10%,var(--ln-hero-a),transparent 60%),var(--ln-bg);transition:background .35s ease}
.ln-stars{position:absolute;inset:0;opacity:var(--ln-star-op);transition:opacity .5s;
  background-image:radial-gradient(1.5px 1.5px at 20% 30%,rgba(255,255,255,.8),transparent),radial-gradient(1px 1px at 40% 70%,rgba(255,255,255,.5),transparent),radial-gradient(2px 2px at 60% 20%,rgba(255,255,255,.7),transparent),radial-gradient(1px 1px at 80% 50%,rgba(255,255,255,.6),transparent),radial-gradient(1.5px 1.5px at 90% 80%,rgba(255,255,255,.5),transparent),radial-gradient(1px 1px at 10% 80%,rgba(255,255,255,.5),transparent),radial-gradient(1.5px 1.5px at 30% 10%,rgba(255,255,255,.6),transparent),radial-gradient(1px 1px at 70% 90%,rgba(255,255,255,.4),transparent);
  animation:ln-twinkle 6s ease-in-out infinite alternate}
@keyframes ln-twinkle{from{opacity:calc(var(--ln-star-op)*.5)}to{opacity:var(--ln-star-op)}}
.ln-orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.35;animation:ln-float 14s ease-in-out infinite alternate}
.ln-orb-a{width:420px;height:420px;background:var(--ln-accent);top:-120px;left:-100px}
.ln-orb-b{width:340px;height:340px;background:var(--ln-purple);bottom:-120px;right:-80px;animation-delay:-7s}
@keyframes ln-float{from{transform:translateY(-14px)}to{transform:translateY(18px)}}

/* ============ Header ============ */
.ln-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--ln-bg2) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--ln-border)}
.ln-header-in{display:flex;align-items:center;gap:16px;height:64px}
.ln-logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:var(--ln-text)}
.ln-logo-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--ln-accent),var(--ln-purple));color:#fff;box-shadow:var(--ln-shadow)}
.ln-logo-mark svg{width:19px;height:19px}
.ln-logo-dot{color:var(--ln-accent);font-weight:600;font-size:.75em}
.ln-nav{display:flex;gap:4px;margin-inline-start:12px}
.ln-nav a{padding:8px 13px;border-radius:9px;color:var(--ln-muted);font-weight:600;font-size:14.5px;transition:all .18s}
.ln-nav a:hover{color:var(--ln-text);background:var(--ln-raised)}
.ln-nav a.is-active{color:var(--ln-accent);background:var(--ln-accent-soft)}
.ln-header-actions{display:flex;align-items:center;gap:10px;margin-inline-start:auto}
.ln-streak-chip{display:flex;align-items:center;gap:5px;background:var(--ln-orange-soft);color:var(--ln-orange);font-weight:800;padding:5px 12px;border-radius:999px;font-size:14px}
.ln-theme-toggle{width:44px;height:44px;border-radius:12px;border:1px solid var(--ln-border);background:var(--ln-surface);color:var(--ln-text);cursor:pointer;display:grid;place-items:center;transition:transform .2s}
.ln-theme-toggle:hover{transform:rotate(18deg) scale(1.06)}
.ln-theme-toggle svg{width:20px;height:20px}
[data-theme="light"] .ln-icon-sun{display:none}
[data-theme="dark"] .ln-icon-moon{display:none}
.ln-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--ln-border);background:var(--ln-surface);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.ln-burger span{width:18px;height:2px;background:var(--ln-text);border-radius:2px;transition:.25s}
.ln-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ln-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ln-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:860px){
  .ln-burger{display:flex}
  .ln-nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:var(--ln-bg2);border-bottom:1px solid var(--ln-border);padding:12px 20px 18px;gap:6px;transform:translateY(-130%);transition:transform .3s ease;z-index:40;margin:0}
  .ln-nav.is-open{transform:none}
  .ln-nav a{padding:12px 14px;font-size:16px}
}

/* ============ Buttons ============ */
.ln-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:14px;font-weight:800;font-size:15.5px;border:1px solid transparent;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s;text-align:center;min-height:48px}
.ln-btn:active{transform:scale(.97)}
.ln-btn-primary{background:linear-gradient(135deg,var(--ln-accent),#7b6cf0);color:#fff;box-shadow:0 6px 18px rgba(75,110,230,.35)}
.ln-btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(75,110,230,.45)}
.ln-btn-ghost{background:var(--ln-surface);color:var(--ln-text);border-color:var(--ln-border)}
.ln-btn-ghost:hover{background:var(--ln-raised)}
.ln-btn-green{background:var(--ln-green);color:#fff}
.ln-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important}

/* ============ Cards & sections ============ */
.ln-main{min-height:60vh}
.ln-section{padding:64px 0}
.ln-section-head{text-align:center;max-width:640px;margin:0 auto 40px}
.ln-kicker{display:inline-flex;align-items:center;gap:6px;background:var(--ln-accent-soft);color:var(--ln-accent);font-weight:800;font-size:13px;padding:5px 14px;border-radius:999px;margin-bottom:12px}
.ln-h2{font-size:30px}
.ln-card{background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:var(--ln-radius);box-shadow:var(--ln-shadow);padding:24px}
.ln-reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.ln-reveal.is-in{opacity:1;transform:none}

/* ============ Hero ============ */
.ln-hero{padding:72px 0 40px;position:relative}
.ln-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.ln-hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.5}
.ln-hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--ln-accent),var(--ln-purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.ln-hero-sub{font-size:17.5px;color:var(--ln-muted);max-width:480px}
.ln-hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.ln-hero-note{margin-top:14px;font-size:13.5px;color:var(--ln-muted)}
.ln-hero-scene{position:relative;min-height:340px}
.ln-scene-svg{width:100%;height:auto;display:block;filter:drop-shadow(0 24px 40px rgba(20,18,60,.18))}
.ln-plane{position:absolute;top:6%;right:8%;animation:ln-plane 9s ease-in-out infinite}
@keyframes ln-plane{0%{transform:translate(0,0) rotate(-6deg)}25%{transform:translate(-70px,26px) rotate(4deg)}50%{transform:translate(-140px,-6px) rotate(-4deg)}75%{transform:translate(-60px,-30px) rotate(6deg)}100%{transform:translate(0,0) rotate(-6deg)}}
.ln-float-card{position:absolute;background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:14px;box-shadow:var(--ln-shadow);padding:10px 16px;font-weight:800;font-size:14px;display:flex;gap:8px;align-items:center;animation:ln-float 6s ease-in-out infinite alternate}
.ln-float-1{top:14%;left:2%}
.ln-float-2{bottom:20%;right:0;animation-delay:-3s}
.ln-float-3{bottom:2%;left:16%;animation-delay:-1.5s}
.ln-stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px}
.ln-stat{background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:14px;padding:18px 10px;text-align:center;box-shadow:var(--ln-shadow)}
.ln-stat b{display:block;font-size:24px;color:var(--ln-accent)}
.ln-stat span{font-size:13px;color:var(--ln-muted);font-weight:600}

/* ============ Steps / features ============ */
.ln-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.ln-step{position:relative;padding:26px 22px 22px}
.ln-step .num{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--ln-accent-soft);color:var(--ln-accent);font-weight:900;font-size:18px;margin-bottom:14px}
.ln-features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ln-feature{padding:22px}
.ln-feature .ico{font-size:26px;display:inline-grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--ln-raised);margin-bottom:12px}
.ln-feature h3{font-size:17px}
.ln-feature p{font-size:14px;color:var(--ln-muted);margin:0}

/* ============ Worlds grid ============ */
.ln-worlds{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ln-world{position:relative;overflow:hidden;padding:24px;transition:transform .22s,box-shadow .22s}
.ln-world:hover{transform:translateY(-5px)}
.ln-world::before{content:"";position:absolute;inset:0 0 auto;height:5px;background:var(--wc,var(--ln-accent))}
.ln-world .ico{font-size:34px}
.ln-world h3{font-size:18px;margin:10px 0 2px}
.ln-world .en{font-size:12.5px;color:var(--ln-muted);letter-spacing:.4px}
.ln-world p{font-size:13.8px;color:var(--ln-muted);margin:10px 0 14px;min-height:66px}
.ln-badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:800;padding:4px 11px;border-radius:999px}
.ln-badge-open{background:var(--ln-green-soft);color:var(--ln-green)}
.ln-badge-soon{background:var(--ln-raised);color:var(--ln-muted)}
.ln-badge-gold{background:color-mix(in srgb,var(--ln-gold) 16%,transparent);color:var(--ln-gold)}
.ln-world.is-soon{opacity:.75}
.ln-world .prog{height:7px;border-radius:99px;background:var(--ln-raised);overflow:hidden;margin-top:12px}
.ln-world .prog i{display:block;height:100%;border-radius:99px;background:var(--wc,var(--ln-accent));transition:width .6s ease}

/* ============ Map page ============ */
.ln-page-head{padding:44px 0 8px}
.ln-page-head h1{font-size:clamp(26px,3.6vw,36px)}
.ln-page-head p{color:var(--ln-muted);max-width:560px}
.ln-map-top{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0 8px}
.ln-panel{padding:20px}
.ln-panel h3{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:12px}
.ln-mission{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--ln-border);font-size:14px}
.ln-mission:last-child{border-bottom:0}
.ln-mission .bar{flex:1;height:7px;background:var(--ln-raised);border-radius:99px;overflow:hidden}
.ln-mission .bar i{display:block;height:100%;background:var(--ln-green);border-radius:99px}
.ln-mission.done .txt{text-decoration:line-through;color:var(--ln-muted)}
.ln-review-cta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.ln-world-block{margin:34px 0;border-radius:18px;border:1px solid var(--ln-border);background:var(--ln-surface);box-shadow:var(--ln-shadow);overflow:hidden}
.ln-world-head{padding:24px 26px;background:linear-gradient(135deg,color-mix(in srgb,var(--wc) 14%,var(--ln-surface)),var(--ln-surface))}
.ln-world-head .top{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.ln-world-head .ico{font-size:38px}
.ln-world-head h2{font-size:22px;margin:0}
.ln-world-head .en{color:var(--ln-muted);font-size:13px}
.ln-world-head .story{color:var(--ln-muted);font-size:14.5px;margin:10px 0 0;max-width:640px}
.ln-world-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ln-meta-chip{font-size:12.5px;background:var(--ln-raised);border-radius:999px;padding:4px 12px;color:var(--ln-muted)}
.ln-chapter{padding:10px 26px 22px}
.ln-chapter h4{font-size:15.5px;color:var(--ln-muted);margin:16px 0 6px;display:flex;align-items:center;gap:8px}
.ln-path{display:flex;flex-wrap:wrap;gap:14px;padding:8px 0}
.ln-node{position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;width:104px;background:none;border:0;cursor:pointer;padding:6px;border-radius:12px}
.ln-node:hover .bub{transform:translateY(-4px) scale(1.05)}
.ln-node .bub{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;font-size:26px;background:var(--ln-raised);border:3px solid var(--ln-border);transition:transform .2s,box-shadow .2s;box-shadow:0 4px 0 var(--ln-border)}
.ln-node .lbl{font-size:12.5px;font-weight:700;color:var(--ln-muted);line-height:1.5;text-align:center}
.ln-node .st{font-size:11px;letter-spacing:2px;color:var(--ln-gold);min-height:14px}
.ln-node.is-done .bub{background:var(--ln-green-soft);border-color:var(--ln-green);box-shadow:0 4px 0 color-mix(in srgb,var(--ln-green) 60%,#000 0%)}
.ln-node.is-current .bub{background:var(--ln-accent-soft);border-color:var(--ln-accent);box-shadow:0 4px 0 var(--ln-accent);animation:ln-pulse 2s infinite}
@keyframes ln-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.ln-node.is-locked{cursor:not-allowed;opacity:.55}
.ln-soon-block{text-align:center;padding:34px 20px;color:var(--ln-muted)}

/* ============ Player overlay ============ */
.ln-player{position:fixed;inset:0;z-index:100;background:var(--ln-bg);display:none;flex-direction:column}
.ln-player.is-open{display:flex}
.ln-player-head{display:flex;align-items:center;gap:14px;padding:14px 20px;max-width:820px;margin:0 auto;width:100%}
.ln-player-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--ln-border);background:var(--ln-surface);color:var(--ln-muted);font-size:18px;cursor:pointer}
.ln-pbar{flex:1;height:14px;background:var(--ln-raised);border-radius:99px;overflow:hidden}
.ln-pbar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--ln-green),var(--ln-accent));transition:width .4s ease}
.ln-player-xp{font-weight:800;color:var(--ln-gold);font-size:14px;min-width:64px;text-align:left}
.ln-player-body{flex:1;overflow-y:auto;padding:14px 20px 130px;width:100%}
.ln-stage{max-width:640px;margin:0 auto;animation:ln-in .35s ease}
@keyframes ln-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.ln-prompt{font-size:19px;font-weight:800;margin:6px 0 18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ln-say{width:46px;height:46px;border-radius:50%;border:0;background:var(--ln-accent);color:#fff;font-size:18px;cursor:pointer;box-shadow:0 4px 12px rgba(75,110,230,.4);transition:transform .15s;flex:0 0 auto}
.ln-say:hover{transform:scale(1.08)}
.ln-say.big{width:96px;height:96px;font-size:38px;margin:10px auto 22px;display:block}
.ln-flash{background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:20px;box-shadow:var(--ln-shadow);padding:38px 26px;text-align:center}
.ln-flash .en{font-size:44px;font-weight:900;direction:ltr}
.ln-flash .fa{font-size:20px;color:var(--ln-muted);margin-top:8px}
.ln-flash .hint{font-size:16px;margin-top:14px;background:var(--ln-raised);display:inline-block;border-radius:99px;padding:5px 16px}
.ln-opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ln-opt{padding:17px 14px;border-radius:14px;border:2px solid var(--ln-border);background:var(--ln-surface);font-size:17px;font-weight:700;cursor:pointer;transition:all .15s;box-shadow:0 3px 0 var(--ln-border);min-height:56px}
.ln-opt:hover{border-color:var(--ln-accent);transform:translateY(-2px)}
.ln-opt.is-picked{border-color:var(--ln-accent);background:var(--ln-accent-soft)}
.ln-opt.is-right{border-color:var(--ln-green);background:var(--ln-green-soft);box-shadow:0 3px 0 var(--ln-green)}
.ln-opt.is-wrong{border-color:var(--ln-red);background:var(--ln-red-soft);animation:ln-shake .35s}
@keyframes ln-shake{25%{transform:translateX(5px)}75%{transform:translateX(-5px)}}
.ln-ltr{direction:ltr}
.ln-chips,.ln-answer-line{display:flex;flex-wrap:wrap;gap:9px;direction:ltr;justify-content:center}
.ln-answer-line{min-height:58px;border-bottom:2px dashed var(--ln-border);padding:8px 4px;margin-bottom:20px}
.ln-chip{padding:10px 16px;border-radius:12px;border:2px solid var(--ln-border);background:var(--ln-surface);font-weight:700;font-size:16.5px;cursor:pointer;box-shadow:0 3px 0 var(--ln-border);direction:ltr;transition:transform .12s}
.ln-chip:hover{transform:translateY(-2px)}
.ln-chip.ghost{opacity:.28;pointer-events:none}
.ln-match-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ln-match-grid .ln-opt.is-done{opacity:.35;pointer-events:none}
.ln-type-input{width:100%;padding:16px;border-radius:14px;border:2px solid var(--ln-border);background:var(--ln-surface);color:var(--ln-text);font-size:20px;direction:ltr;text-align:center;font-family:inherit}
.ln-type-input:focus{border-color:var(--ln-accent);outline:none}
.ln-hint-btn{margin-top:12px;background:none;border:0;color:var(--ln-accent);font-weight:700;cursor:pointer;font-size:14px}
.ln-story{display:flex;flex-direction:column;gap:10px}
.ln-line{display:flex;gap:10px;align-items:flex-start}
.ln-line .who{width:40px;height:40px;border-radius:50%;background:var(--ln-accent-soft);color:var(--ln-accent);display:grid;place-items:center;font-weight:900;flex:0 0 auto}
.ln-line .bub2{background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:4px 16px 16px 16px;padding:10px 16px;box-shadow:var(--ln-shadow)}
.ln-line .bub2 .en{font-weight:800;direction:ltr;text-align:left;font-size:16.5px}
.ln-line .bub2 .fa{font-size:13px;color:var(--ln-muted)}
.ln-player-foot{position:fixed;bottom:0;left:0;right:0;background:var(--ln-bg2);border-top:1px solid var(--ln-border);padding:14px 20px calc(14px + env(safe-area-inset-bottom))}
.ln-foot-in{max-width:640px;margin:0 auto;display:flex;align-items:center;gap:14px;justify-content:space-between}
.ln-feedback{font-weight:800;font-size:15.5px;display:none;align-items:center;gap:8px}
.ln-player-foot.is-right{background:var(--ln-green-soft)}
.ln-player-foot.is-wrong{background:var(--ln-red-soft)}
.ln-player-foot.is-right .ln-feedback{display:flex;color:var(--ln-green)}
.ln-player-foot.is-wrong .ln-feedback{display:flex;color:var(--ln-red)}
.ln-check{min-width:150px}
.ln-finish{text-align:center;padding:30px 10px}
.ln-finish .stars{font-size:44px;letter-spacing:6px;margin-bottom:10px}
.ln-finish h2{font-size:26px}
.ln-finish .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:18px 0}
.ln-finish .kpi{background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:14px;padding:12px 22px;box-shadow:var(--ln-shadow)}
.ln-finish .kpi b{display:block;font-size:20px;color:var(--ln-accent)}
.ln-finish .weak{background:var(--ln-orange-soft);color:var(--ln-orange);border-radius:12px;padding:10px 16px;font-size:14px;display:inline-block;margin-bottom:16px}
@keyframes ln-confetti{0%{transform:translateY(-10vh) rotate(0)}100%{transform:translateY(110vh) rotate(720deg)}}
.ln-conf{position:fixed;top:0;width:10px;height:14px;z-index:120;animation:ln-confetti 2.8s linear forwards;border-radius:2px}

/* ============ Tools page ============ */
.ln-tabs{display:flex;gap:8px;margin:18px 0;flex-wrap:wrap}
.ln-tab{padding:11px 22px;border-radius:12px;border:1px solid var(--ln-border);background:var(--ln-surface);font-weight:800;cursor:pointer;color:var(--ln-muted);min-height:44px}
.ln-tab.is-active{background:var(--ln-accent);border-color:var(--ln-accent);color:#fff}
.ln-tool-panel{display:none}
.ln-tool-panel.is-active{display:block}
.ln-dict-search{width:100%;padding:16px 18px;font-size:17px;border-radius:14px;border:2px solid var(--ln-border);background:var(--ln-surface);color:var(--ln-text);font-family:inherit}
.ln-dict-search:focus{border-color:var(--ln-accent);outline:none}
.ln-dict-list{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ln-dict-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px}
.ln-dict-item .en{font-weight:800;direction:ltr;font-size:16.5px}
.ln-dict-item .fa{color:var(--ln-muted);font-size:14px}
.ln-dict-item .ln-say{width:38px;height:38px;font-size:14px}
.ln-trans-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}
.ln-trans-grid textarea{min-height:170px;padding:16px;border-radius:14px;border:2px solid var(--ln-border);background:var(--ln-surface);color:var(--ln-text);font-size:16px;font-family:inherit;resize:vertical}
.ln-swap{align-self:center;width:46px;height:46px;border-radius:50%;border:1px solid var(--ln-border);background:var(--ln-surface);cursor:pointer;font-size:17px;color:var(--ln-accent)}
.ln-trans-note{font-size:13px;color:var(--ln-muted);margin-top:10px}

/* ============ Profile ============ */
.ln-profile-hero{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;padding:26px}
.ln-avatar{width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,var(--ln-accent),var(--ln-purple));display:grid;place-items:center;font-size:38px;color:#fff}
.ln-lvl-bar{height:12px;background:var(--ln-raised);border-radius:99px;overflow:hidden;margin-top:10px}
.ln-lvl-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--ln-gold),var(--ln-orange));border-radius:99px}
.ln-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.ln-kpi{text-align:center;padding:16px 8px}
.ln-kpi b{display:block;font-size:22px;color:var(--ln-accent)}
.ln-kpi span{font-size:12.5px;color:var(--ln-muted);font-weight:700}
.ln-prof-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.ln-skill{margin-bottom:12px}
.ln-skill .row{display:flex;justify-content:space-between;font-size:13.5px;font-weight:700;margin-bottom:4px}
.ln-skill .bar{height:9px;background:var(--ln-raised);border-radius:99px;overflow:hidden}
.ln-skill .bar i{display:block;height:100%;border-radius:99px;background:var(--ln-accent);transition:width .8s ease}
.ln-medals{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.ln-medal{text-align:center;padding:14px 8px;border-radius:14px;border:1px solid var(--ln-border);background:var(--ln-surface)}
.ln-medal .ico{font-size:28px}
.ln-medal b{display:block;font-size:12.5px;margin-top:5px}
.ln-medal span{font-size:11px;color:var(--ln-muted)}
.ln-medal.is-locked{opacity:.4;filter:grayscale(1)}
.ln-weak-chips{display:flex;flex-wrap:wrap;gap:8px}
.ln-weak-chip{background:var(--ln-orange-soft);color:var(--ln-orange);font-size:13px;font-weight:700;border-radius:999px;padding:5px 14px}
.ln-days{display:flex;gap:6px;flex-wrap:wrap;direction:ltr;justify-content:center}
.ln-day{width:26px;height:26px;border-radius:7px;background:var(--ln-raised);position:relative}
.ln-day.l1{background:color-mix(in srgb,var(--ln-green) 35%,var(--ln-raised))}
.ln-day.l2{background:color-mix(in srgb,var(--ln-green) 65%,var(--ln-raised))}
.ln-day.l3{background:var(--ln-green)}

/* ============ About & generic page ============ */
.ln-article{max-width:720px;margin:0 auto;padding:20px 0 60px;font-size:16.5px}
.ln-article h2{font-size:24px;margin-top:1.4em}
.ln-article img{border-radius:14px}

/* ============ Toast ============ */
.ln-toasts{position:fixed;bottom:22px;right:22px;z-index:200;display:flex;flex-direction:column;gap:10px}
.ln-toast{background:var(--ln-surface);border:1px solid var(--ln-border);border-radius:14px;box-shadow:var(--ln-shadow);padding:12px 18px;font-weight:800;font-size:14.5px;display:flex;align-items:center;gap:10px;animation:ln-toast-in .4s ease}
@keyframes ln-toast-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.ln-toast .ico{font-size:20px}

/* ============ Footer ============ */
.ln-footer{border-top:1px solid var(--ln-border);background:var(--ln-bg2);margin-top:60px}
.ln-footer-in{padding:36px 0 28px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.ln-footer nav{display:flex;gap:16px;flex-wrap:wrap}
.ln-footer a{color:var(--ln-muted);font-size:14px;font-weight:600}
.ln-footer a:hover{color:var(--ln-accent)}
.ln-footer .brand{font-weight:900;font-size:17px}
.ln-footer .credit{font-size:12.5px;color:var(--ln-muted);width:100%;text-align:center;border-top:1px dashed var(--ln-border);padding-top:16px}

/* ============ Responsive ============ */
@media (max-width:960px){
  .ln-hero-grid{grid-template-columns:1fr;gap:26px}
  .ln-hero-scene{min-height:260px;order:-1}
  .ln-worlds,.ln-features,.ln-steps{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .ln-container{padding:0 18px}
  .ln-section{padding:44px 0}
  .ln-h2{font-size:24px}
  .ln-stat-strip{grid-template-columns:1fr 1fr}
  .ln-worlds,.ln-features,.ln-steps,.ln-map-top,.ln-dict-list,.ln-prof-grid{grid-template-columns:1fr}
  .ln-trans-grid{grid-template-columns:1fr}
  .ln-swap{transform:rotate(90deg);margin:0 auto}
  .ln-opts{grid-template-columns:1fr}
  .ln-flash .en{font-size:34px}
  .ln-node{width:88px}
  .ln-kpis{grid-template-columns:1fr 1fr}
  .ln-profile-hero{grid-template-columns:1fr;text-align:center;justify-items:center}
  .ln-world p{min-height:0}
  .ln-streak-chip{display:none}
}