:root{
  --bg:#09070e;
  --bg-2:#0f0b17;
  --panel:#12101a;
  --panel-2:#171320;
  --panel-3:#1c1727;
  --line:#2b2438;
  --line-soft:rgba(255,255,255,.075);
  --text:#f6f2fb;
  --muted:#9d94aa;
  --muted-2:#766f82;
  --purple:#8b5cf6;
  --purple-2:#6d3df3;
  --purple-3:#b59bff;
  --green:#37d596;
  --red:#ff6f91;
  --amber:#f5c76a;
  --sidebar-w:264px;
  --topbar-h:76px;
  --radius:18px;
  --shadow:0 18px 55px rgba(0,0,0,.28);
  --ease:cubic-bezier(.2,.8,.2,1);
}
html[data-theme="light"]{
  --bg:#f5f3f9;
  --bg-2:#ebe7f2;
  --panel:#ffffff;
  --panel-2:#f7f4fb;
  --panel-3:#eee9f6;
  --line:#ddd6e8;
  --line-soft:rgba(20,12,30,.08);
  --text:#17131e;
  --muted:#6f6779;
  --muted-2:#8c8595;
  --shadow:0 18px 55px rgba(41,25,58,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(800px 500px at 18% -10%,rgba(109,61,243,.16),transparent 60%),
    radial-gradient(700px 500px at 100% 95%,rgba(139,92,246,.10),transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  overflow-x:hidden;
}
button,input,textarea,select{font:inherit}
button{color:inherit}
a{color:inherit}
.ambient{position:fixed;border-radius:999px;filter:blur(100px);pointer-events:none;z-index:-1;opacity:.18}
.ambient-a{width:420px;height:420px;background:#6d3df3;top:-210px;left:10%}
.ambient-b{width:380px;height:380px;background:#8b5cf6;right:-170px;bottom:-180px}
.app-shell{min-height:100vh}
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--sidebar-w);
  background:rgba(11,9,16,.94);
  border-right:1px solid var(--line);
  backdrop-filter:blur(20px);
  z-index:40;
  display:flex;
  flex-direction:column;
  padding:15px 12px 14px;
  transition:width .42s var(--ease),transform .42s var(--ease);
}
html[data-theme="light"] .sidebar{background:rgba(255,255,255,.92)}
.brand-zone{height:68px;display:flex;align-items:center;position:relative;margin-bottom:12px}
.brand{
  border:0;background:transparent;padding:7px 8px;display:flex;align-items:center;gap:12px;cursor:pointer;
  min-width:0;text-align:left
}
.nx-mark{
  width:43px;height:43px;min-width:43px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(145deg,rgba(139,92,246,.20),rgba(139,92,246,.04));
  border:1px solid rgba(181,155,255,.20);
  box-shadow:0 0 26px rgba(109,61,243,.10)
}
.nx-mark svg{width:34px;height:24px;fill:none;stroke:var(--text);stroke-width:3.1;stroke-linecap:round;stroke-linejoin:round}
.brand-copy{display:flex;flex-direction:column;gap:4px;white-space:nowrap;overflow:hidden}
.brand-copy b{font-size:13px;letter-spacing:.13em}
.brand-copy i{font-style:normal;color:var(--purple-3)}
.brand-copy small{font-size:8px;letter-spacing:.12em;color:var(--muted)}
.collapse-btn{
  position:absolute;right:2px;top:18px;width:30px;height:30px;border:1px solid var(--line);
  background:var(--panel-2);border-radius:10px;cursor:pointer;color:var(--muted);transition:.25s var(--ease)
}
.collapse-btn:hover{border-color:rgba(139,92,246,.55);color:var(--text);transform:translateX(-2px)}
.main-nav,.bottom-nav{display:flex;flex-direction:column;gap:6px}
.nav-item{
  width:100%;min-height:44px;border:0;background:transparent;border-radius:12px;padding:0 12px;display:flex;align-items:center;
  gap:12px;color:var(--muted);cursor:pointer;text-align:left;transition:.22s var(--ease);white-space:nowrap;overflow:hidden
}
.nav-item>span:first-child:not(.avatar){width:22px;min-width:22px;text-align:center;font-size:18px}
.nav-item b{font-size:13px;font-weight:650}
.nav-item:hover{background:rgba(139,92,246,.08);color:var(--text);transform:translateX(2px)}
.nav-item.active{
  color:#fff;background:linear-gradient(90deg,rgba(109,61,243,.34),rgba(139,92,246,.10));
  box-shadow:inset 2px 0 0 var(--purple),0 0 22px rgba(109,61,243,.08)
}
.sidebar-spacer{flex:1}
.profile-nav{height:56px;margin-top:4px}
.avatar{width:34px;height:34px;min-width:34px;border-radius:10px;display:grid;place-items:center;background:#251941;border:1px solid #4b3476;color:#d9ccff;font-size:11px;font-weight:800}
.profile-copy{display:flex;flex-direction:column;gap:3px;overflow:hidden}
.profile-copy small{color:var(--muted);font-size:10px}
.sidebar-expand{
  position:fixed;left:76px;top:27px;width:32px;height:32px;border:1px solid var(--line);border-left:0;
  background:var(--panel);border-radius:0 10px 10px 0;z-index:42;cursor:pointer;color:var(--purple-3);
  opacity:0;pointer-events:none;transform:translateX(-10px);transition:.32s var(--ease)
}
body.sidebar-collapsed .sidebar{width:76px}
body.sidebar-collapsed .brand-copy,
body.sidebar-collapsed .nav-item b,
body.sidebar-collapsed .profile-copy,
body.sidebar-collapsed .collapse-btn{opacity:0;pointer-events:none;width:0}
body.sidebar-collapsed .brand{padding-left:4px}
body.sidebar-collapsed .nav-item{padding:0 13px;justify-content:center}
body.sidebar-collapsed .nav-item>span:first-child:not(.avatar){margin:0}
body.sidebar-collapsed .profile-nav{justify-content:center;padding:0}
body.sidebar-collapsed .sidebar-expand{opacity:1;pointer-events:auto;transform:translateX(0)}
.main-area{
  min-height:100vh;margin-left:var(--sidebar-w);transition:margin-left .42s var(--ease);
}
body.sidebar-collapsed .main-area{margin-left:76px}
.topbar{
  height:var(--topbar-h);position:sticky;top:0;z-index:25;display:flex;align-items:center;justify-content:space-between;
  padding:0 30px;background:rgba(9,7,14,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line-soft)
}
html[data-theme="light"] .topbar{background:rgba(245,243,249,.80)}
.topbar-left{display:flex;align-items:center;gap:12px;flex:1;max-width:640px}
.mobile-menu{display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--panel);border-radius:12px;cursor:pointer}
.search-box{
  width:100%;height:42px;border:1px solid var(--line);background:var(--panel);border-radius:13px;display:flex;align-items:center;
  gap:10px;padding:0 12px;color:var(--muted);transition:.2s
}
.search-box:focus-within{border-color:rgba(139,92,246,.55);box-shadow:0 0 0 3px rgba(139,92,246,.08)}
.search-box input{flex:1;border:0;outline:0;background:transparent;color:var(--text);min-width:0}
.search-box kbd{font-size:10px;border:1px solid var(--line);padding:3px 6px;border-radius:6px;color:var(--muted)}
.top-actions{display:flex;align-items:center;gap:12px;margin-left:20px}
.streak-chip,.level-chip{
  height:43px;border:1px solid var(--line);background:var(--panel);border-radius:12px;display:flex;align-items:center;gap:9px;padding:0 12px
}
.streak-chip span:last-child,.level-chip{font-size:11px}
.streak-chip b,.level-chip b{display:block;font-size:11px}
.streak-chip small,.level-chip small{display:block;color:var(--muted);font-size:9px;margin-top:2px}
.flame-mark{width:22px;height:22px;color:var(--purple-3)}
.flame-mark svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.icon-btn{width:42px;height:42px;border:1px solid var(--line);background:var(--panel);border-radius:12px;cursor:pointer}
.page-container{padding:30px;max-width:1480px;margin:0 auto}
.page{animation:pageIn .32s var(--ease)}
@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.eyebrow{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--purple-3);font-weight:800}
h1,h2,h3,h4,p{margin-top:0}
.page-title{font-size:34px;letter-spacing:-.035em;margin:8px 0 8px}
.page-subtitle{color:var(--muted);font-size:14px;line-height:1.7;max-width:760px}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.025),transparent),var(--panel);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.btn{
  border:1px solid var(--line);background:var(--panel-2);color:var(--text);height:42px;padding:0 16px;border-radius:12px;
  cursor:pointer;font-weight:700;font-size:12px;transition:.2s var(--ease);display:inline-flex;align-items:center;justify-content:center;gap:8px
}
.btn:hover{transform:translateY(-1px);border-color:rgba(139,92,246,.55)}
.btn.primary{background:linear-gradient(135deg,var(--purple-2),var(--purple));border-color:transparent;color:white;box-shadow:0 9px 30px rgba(109,61,243,.22)}
.btn.ghost{background:transparent}
.hero{
  min-height:300px;padding:34px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;position:relative;overflow:hidden
}
.hero:after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-110px;top:-160px;
  background:radial-gradient(circle,rgba(139,92,246,.25),transparent 65%);pointer-events:none
}
.hero h1{font-size:43px;line-height:1.04;max-width:800px;margin:10px 0 16px;letter-spacing:-.055em}
.hero p{color:var(--muted);line-height:1.8;max-width:740px;font-size:14px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero-progress{align-self:center;display:flex;flex-direction:column;align-items:center;gap:14px;z-index:1}
.progress-ring{
  width:160px;height:160px;border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(var(--purple) var(--progress,0%),var(--panel-3) 0);
  position:relative;box-shadow:0 0 45px rgba(109,61,243,.12)
}
.progress-ring:before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--panel);border:1px solid var(--line)}
.progress-ring strong{z-index:1;font-size:30px}
.home-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:16px}
.stat-card{padding:19px}
.stat-card small{color:var(--muted);font-size:10px}
.stat-card b{font-size:25px;display:block;margin:8px 0 2px}
.dashboard-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-top:16px}
.panel{padding:22px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.panel-head h3{font-size:15px;margin:0}
.progress-list{display:flex;flex-direction:column;gap:15px}
.progress-row{display:grid;grid-template-columns:130px 1fr 44px;gap:12px;align-items:center;font-size:12px}
.progress-track{height:7px;border-radius:99px;background:var(--panel-3);overflow:hidden}
.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--purple-2),var(--purple-3))}
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.module-card{padding:20px;cursor:pointer;transition:.23s var(--ease)}
.module-card:hover{transform:translateY(-3px);border-color:rgba(139,92,246,.45)}
.module-card h3{font-size:15px;margin:10px 0 8px}
.module-card p{color:var(--muted);font-size:12px;line-height:1.6}
.learn-shell{display:grid;grid-template-columns:305px minmax(0,1fr);gap:18px;align-items:start}
.course-sidebar{position:sticky;top:96px;max-height:calc(100vh - 116px);overflow:auto;padding:14px}
.course-sidebar::-webkit-scrollbar{width:6px}.course-sidebar::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.course-meta{padding:10px 9px 15px;border-bottom:1px solid var(--line);margin-bottom:8px}
.course-meta h2{font-size:15px;margin:5px 0}.course-meta p{font-size:11px;color:var(--muted);line-height:1.5}
.course-progress{height:6px;background:var(--panel-3);border-radius:99px;overflow:hidden;margin-top:10px}
.course-progress>i{display:block;height:100%;background:var(--purple);border-radius:inherit}
.module-label{font-size:9px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted-2);padding:13px 9px 6px;font-weight:800}
.lesson-link{
  width:100%;border:0;background:transparent;display:grid;grid-template-columns:27px 1fr 18px;gap:8px;align-items:center;
  padding:9px;border-radius:10px;color:var(--muted);cursor:pointer;text-align:left
}
.lesson-link:hover{background:rgba(139,92,246,.07);color:var(--text)}
.lesson-link.active{background:rgba(139,92,246,.14);color:var(--text)}
.lesson-link .num{width:24px;height:24px;border-radius:7px;background:var(--panel-3);display:grid;place-items:center;font-size:9px}
.lesson-link .name{font-size:11px;line-height:1.35}
.lesson-link .done{font-size:11px;color:var(--green)}
.lesson-article{min-width:0}
.lesson-hero{padding:28px;margin-bottom:16px;overflow:hidden;position:relative}
.lesson-hero:after{content:"";position:absolute;right:-80px;top:-120px;width:290px;height:290px;border-radius:50%;background:radial-gradient(circle,rgba(109,61,243,.20),transparent 65%)}
.lesson-kicker{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:10px;position:relative;z-index:1}
.lesson-kicker .pill{padding:5px 8px;border:1px solid var(--line);border-radius:999px}
.lesson-hero h1{font-size:36px;letter-spacing:-.045em;margin:13px 0 10px;position:relative;z-index:1}
.lesson-hero .intro{font-size:14px;color:var(--muted);line-height:1.8;max-width:900px;position:relative;z-index:1}
.lesson-goals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:20px;position:relative;z-index:1}
.goal{background:rgba(255,255,255,.025);border:1px solid var(--line-soft);padding:10px 12px;border-radius:10px;font-size:11px;line-height:1.5;color:#cfc7d8}
html[data-theme="light"] .goal{color:#4d4656}
.lesson-block{padding:25px;margin-bottom:14px}
.lesson-block h2{font-size:22px;letter-spacing:-.025em;margin-bottom:12px}
.lesson-block h3{font-size:17px;margin-bottom:10px}
.lesson-block p{font-size:13px;line-height:1.85;color:#c5bdcf}
html[data-theme="light"] .lesson-block p{color:#514a5a}
.lesson-block code:not(pre code),.inline-code{
  font-family:"JetBrains Mono",monospace;font-size:.94em;background:rgba(139,92,246,.10);border:1px solid rgba(139,92,246,.15);
  color:#d5c7ff;padding:2px 5px;border-radius:5px
}
html[data-theme="light"] .lesson-block code:not(pre code){color:#5c38a8}
.remember-box,.why-box,.analogy-box,.experiment-box,.warning-box,.summary-box{
  border-radius:14px;padding:16px 17px;margin-top:15px;border:1px solid var(--line);font-size:12px;line-height:1.7
}
.remember-box{background:rgba(139,92,246,.08);border-color:rgba(139,92,246,.22)}
.why-box{background:rgba(55,213,150,.055);border-color:rgba(55,213,150,.16)}
.analogy-box{background:rgba(245,199,106,.05);border-color:rgba(245,199,106,.17)}
.experiment-box{background:rgba(109,61,243,.055);border-color:rgba(109,61,243,.18)}
.warning-box{background:rgba(255,111,145,.055);border-color:rgba(255,111,145,.17)}
.box-label{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.14em;font-weight:800;margin-bottom:7px;color:var(--purple-3)}
.why-box .box-label{color:var(--green)}.analogy-box .box-label{color:var(--amber)}.warning-box .box-label{color:var(--red)}
.code-wrap{margin:15px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#09080d}
.code-head{height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;border-bottom:1px solid #25202d;color:#867e91;font-size:9px}
.copy-code{border:0;background:transparent;color:#a99eb6;cursor:pointer;font-size:10px}
pre{margin:0;padding:16px;overflow:auto}
pre code{font-family:"JetBrains Mono",monospace;font-size:11.5px;line-height:1.75;color:#ded7e8;white-space:pre}
.breakdown{display:flex;flex-direction:column;gap:7px;margin:14px 0 0;padding:0;list-style:none}
.breakdown li{padding:9px 11px;border:1px solid var(--line-soft);border-radius:9px;font-size:11px;color:var(--muted);line-height:1.55}
.mistake-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:13px}
.mistake{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--panel-2)}
.mistake b{font-size:11px;color:var(--red);display:block;margin-bottom:8px}
.mistake p{font-size:11px;line-height:1.65;margin:0 0 8px;color:var(--muted)}
.mistake small{font-size:10px;color:#bcb2c7}
.check-card{padding:19px;margin-bottom:12px}
.check-card h3{font-size:14px;margin-bottom:13px}
.options{display:flex;flex-wrap:wrap;gap:8px}
.option-btn{border:1px solid var(--line);background:var(--panel-2);border-radius:10px;padding:9px 12px;color:var(--muted);cursor:pointer;font-size:11px}
.option-btn:hover{border-color:rgba(139,92,246,.5);color:var(--text)}
.option-btn.correct{border-color:rgba(55,213,150,.55);background:rgba(55,213,150,.08);color:var(--green)}
.option-btn.wrong{border-color:rgba(255,111,145,.55);background:rgba(255,111,145,.08);color:var(--red)}
.check-explain{display:none;margin-top:11px;font-size:11px;line-height:1.6;color:var(--muted)}
.check-explain.show{display:block}
.practice-card{padding:22px;margin-top:16px}
.practice-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.practice-head h2{font-size:20px;margin:4px 0 7px}
.practice-head p{font-size:12px;color:var(--muted);line-height:1.6}
.editor{
  margin-top:15px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#0a090e
}
.editor-tabs{height:38px;display:flex;align-items:center;border-bottom:1px solid #27222e;background:#100e15}
.editor-tab{height:100%;border:0;background:transparent;color:#7f7788;padding:0 15px;cursor:pointer;font-size:10px;border-bottom:2px solid transparent}
.editor-tab.active{color:#ddd5e7;border-bottom-color:var(--purple)}
.editor-body{display:grid;grid-template-columns:1fr 1fr;min-height:360px}
.editor-pane{position:relative}
.editor-pane textarea{
  width:100%;height:100%;min-height:360px;border:0;outline:0;resize:none;background:#0a090e;color:#ddd6e7;
  font-family:"JetBrains Mono",monospace;font-size:11.5px;line-height:1.7;padding:16px;tab-size:2
}
.preview-pane{border-left:1px solid #27222e;background:white}
.preview-pane iframe{width:100%;height:100%;min-height:360px;border:0;background:white}
.editor-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.result-box{display:none;margin-top:12px;padding:13px 14px;border-radius:11px;font-size:11px;line-height:1.6}
.result-box.show{display:block}
.result-box.ok{background:rgba(55,213,150,.08);border:1px solid rgba(55,213,150,.25);color:var(--green)}
.result-box.bad{background:rgba(255,111,145,.07);border:1px solid rgba(255,111,145,.22);color:#ff9bb1}
.next-lesson{display:none;margin-top:14px;padding:16px;border:1px solid rgba(139,92,246,.25);background:rgba(139,92,246,.08);border-radius:13px;align-items:center;justify-content:space-between;gap:12px}
.next-lesson.show{display:flex}
.solution details{margin-top:12px}.solution summary{cursor:pointer;color:var(--muted);font-size:10px}
.summary-list{margin:10px 0 0;padding-left:18px}.summary-list li{font-size:12px;line-height:1.7;color:var(--muted);margin:5px 0}
.simple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.simple-card{padding:20px}
.simple-card h3{font-size:14px}.simple-card p{font-size:11px;color:var(--muted);line-height:1.65}
.chat-shell{display:grid;grid-template-columns:1fr 320px;gap:16px}
.chat-main{min-height:580px;padding:20px;display:flex;flex-direction:column}
.chat-messages{flex:1;display:flex;flex-direction:column;gap:12px}
.msg{max-width:78%;padding:12px 14px;border-radius:13px;font-size:12px;line-height:1.65}
.msg.ai{background:var(--panel-2);border:1px solid var(--line);align-self:flex-start}
.msg.user{background:linear-gradient(135deg,var(--purple-2),var(--purple));color:white;align-self:flex-end}
.chat-input{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:14px;margin-top:15px}
.chat-input input{flex:1;height:42px;border:1px solid var(--line);background:var(--panel-2);border-radius:11px;padding:0 12px;color:var(--text);outline:0}
.toast{
  position:fixed;right:24px;bottom:24px;z-index:100;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:12px 15px;font-size:11px;color:var(--text);box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.25s
}
.toast.show{opacity:1;transform:none}
.mobile-scrim{display:none}
.search-results{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.search-result{padding:14px 16px;border:1px solid var(--line);background:var(--panel);border-radius:12px;cursor:pointer}
.search-result:hover{border-color:rgba(139,92,246,.45)}
.search-result b{font-size:12px}.search-result small{display:block;color:var(--muted);margin-top:4px;font-size:10px}
@media(max-width:1100px){
  .home-stats{grid-template-columns:repeat(2,1fr)}
  .dashboard-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:repeat(2,1fr)}
  .learn-shell{grid-template-columns:260px minmax(0,1fr)}
  .top-actions .level-chip{display:none}
}
@media(max-width:860px){
  .sidebar{transform:translateX(-105%);width:264px!important}
  body.mobile-open .sidebar{transform:translateX(0)}
  body.sidebar-collapsed .sidebar{transform:translateX(-105%)}
  body.mobile-open.sidebar-collapsed .sidebar{transform:translateX(0)}
  .main-area,body.sidebar-collapsed .main-area{margin-left:0}
  .sidebar-expand{display:none}
  .mobile-menu{display:block}
  .mobile-scrim{position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:35;backdrop-filter:blur(4px)}
  body.mobile-open .mobile-scrim{display:block}
  .topbar{padding:0 16px}
  .page-container{padding:20px 16px}
  .hero{grid-template-columns:1fr;padding:25px}.hero h1{font-size:36px}.hero-progress{align-items:flex-start}
  .learn-shell{grid-template-columns:1fr}.course-sidebar{position:relative;top:auto;max-height:none}
  .lesson-goals{grid-template-columns:1fr}
  .mistake-grid{grid-template-columns:1fr}
  .editor-body{grid-template-columns:1fr}.preview-pane{border-left:0;border-top:1px solid #27222e;min-height:300px}
  .chat-shell{grid-template-columns:1fr}.chat-shell>.card:last-child{display:none}
}
@media(max-width:590px){
  .search-box kbd,.streak-chip small{display:none}
  .top-actions{gap:7px;margin-left:8px}.streak-chip{padding:0 9px}.icon-btn{width:39px}
  .page-title{font-size:28px}.hero h1{font-size:31px}.home-stats,.module-grid,.simple-grid{grid-template-columns:1fr}
  .lesson-hero{padding:21px}.lesson-hero h1{font-size:29px}.lesson-block{padding:20px}
  .practice-head{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

.cursor-particle{
  position:fixed;width:4px;height:4px;border-radius:50%;background:var(--purple-3);
  pointer-events:none;z-index:120;transform:translate(-50%,-50%);opacity:.5;
  box-shadow:0 0 10px rgba(181,155,255,.7);animation:particleFade .65s ease-out forwards
}
@keyframes particleFade{to{opacity:0;transform:translate(-50%,-50%) scale(.15)}}

/* v0.7: course switcher, explanation modes and inline AI */
.course-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:22px}
.course-switcher{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 4px;position:relative;z-index:2}
.course-switcher.compact{margin:0;justify-content:flex-end}
.course-chip{min-width:120px;border:1px solid var(--line);background:var(--panel-2);border-radius:14px;padding:12px 14px;color:var(--muted);cursor:pointer;text-align:left;transition:.2s var(--ease)}
.course-chip b,.course-chip small{display:block}.course-chip b{color:var(--text);font-size:13px}.course-chip small{font-size:9px;margin-top:4px}
.course-chip:hover,.course-chip.active{border-color:rgba(139,92,246,.55);transform:translateY(-1px)}
.course-chip.active{background:rgba(139,92,246,.14);box-shadow:0 0 0 3px rgba(139,92,246,.06)}
.explanation-switch{position:sticky;top:83px;z-index:12;display:flex;gap:7px;width:max-content;max-width:100%;padding:6px;margin:0 0 14px;background:rgba(15,11,23,.88);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:14px}
html[data-theme="light"] .explanation-switch{background:rgba(255,255,255,.9)}
.explain-tab{border:0;background:transparent;color:var(--muted);padding:10px 14px;border-radius:9px;font-size:11px;font-weight:800;cursor:pointer}
.explain-tab.active{background:linear-gradient(135deg,var(--purple-2),var(--purple));color:#fff}
.hidden{display:none!important}
.simple-mode-block{border-color:rgba(139,92,246,.32);background:linear-gradient(145deg,rgba(139,92,246,.08),transparent),var(--panel)}
.simple-mode-block p{font-size:15px;line-height:1.9;color:var(--text)}
.inline-ai{margin-top:14px;border:1px solid rgba(139,92,246,.28);border-radius:15px;background:rgba(139,92,246,.055);overflow:hidden}
.inline-ai-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 16px}
.inline-ai-head b{display:block;font-size:12px;line-height:1.55;margin-top:5px}
.inline-ai-chat{display:none;border-top:1px solid var(--line);padding:12px}
.inline-ai-chat.show{display:block}
.chat-messages.mini{min-height:70px;max-height:260px;padding:4px 2px 12px}
.result-box small{display:inline-block;margin-top:8px;line-height:1.55}
@media(max-width:900px){.course-top{display:block}.course-switcher.compact{justify-content:flex-start;margin-top:14px}.course-chip{min-width:100px}.explanation-switch{top:72px}.inline-ai-head{align-items:flex-start;flex-direction:column}}
.simple-steps{display:grid;gap:10px;margin:18px 0}
.simple-step{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:13px;border:1px solid var(--line-soft);border-radius:12px;background:rgba(255,255,255,.02)}
.simple-step>span{width:27px;height:27px;display:grid;place-items:center;border-radius:8px;background:rgba(139,92,246,.15);color:var(--purple-3);font-size:11px;font-weight:800}
.simple-step b{font-size:13px}.simple-step p{font-size:12px!important;line-height:1.7!important;color:var(--muted)!important;margin:5px 0 0!important}


/* v0.8.1 — readable AI responses */
.msg.ai{
  max-width:min(720px,92%);
  font-size:13.5px;
  line-height:1.72;
  padding:15px 17px;
}
.chat-messages.mini .msg.ai{max-width:100%;width:100%}
.ai-rich{color:var(--text);overflow-wrap:anywhere}
.ai-rich p{margin:0 0 12px;line-height:1.72}
.ai-rich p:last-child{margin-bottom:0}
.ai-rich h4{
  margin:16px 0 7px;
  font-size:13px;
  line-height:1.45;
  color:var(--text);
  letter-spacing:-.01em;
}
.ai-rich h4:first-child{margin-top:0}
.ai-rich ul{margin:8px 0 12px;padding-left:20px}
.ai-rich li{margin:5px 0;line-height:1.62;color:var(--text)}
.ai-rich strong{font-weight:800;color:#f1ecf8}
html[data-theme="light"] .ai-rich strong{color:#251c31}
.ai-inline-code{
  font-family:"JetBrains Mono",monospace;
  font-size:.9em;
  padding:2px 6px;
  border:1px solid var(--line);
  border-radius:6px;
  background:rgba(139,92,246,.09);
  color:var(--purple-3)
}
.ai-code{
  margin:10px 0 13px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#0a090e;
  overflow:auto;
  white-space:pre;
}
.ai-code code{
  font-family:"JetBrains Mono",monospace;
  font-size:11.5px;
  line-height:1.65;
  color:#e4ddec;
}
.chat-main .chat-messages{overflow-y:auto;padding-right:4px}
.chat-main .msg.user{max-width:min(560px,78%)}
.inline-ai-chat .chat-input{position:sticky;bottom:0;background:var(--panel);padding-bottom:2px}
@media(max-width:700px){
  .msg.ai,.chat-main .msg.user{max-width:94%}
  .msg.ai{font-size:13px;padding:13px 14px}
}


/* v0.8.2 — growing lesson chat, thinking glow and typewriter response */
.inline-ai-chat{
  overflow:visible;
}
.inline-ai-chat.show{
  display:block;
}
.chat-messages.mini{
  min-height:0;
  max-height:none;
  overflow:visible;
  padding:4px 2px 12px;
}
.inline-ai-chat .chat-input{
  position:static;
  bottom:auto;
  background:transparent;
  margin-top:10px;
  padding-bottom:0;
}
.chat-main{
  min-height:580px;
  height:auto;
}
.chat-main .chat-messages{
  overflow:visible;
  min-height:360px;
  flex:none;
}
.chat-main .chat-input{
  margin-top:18px;
}

.msg.ai.thinking{
  min-width:128px;
  width:max-content!important;
  max-width:220px!important;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#efe9ff;
  border-color:rgba(167,113,255,.58);
  background:
    radial-gradient(circle at 18% 50%,rgba(159,91,255,.20),transparent 42%),
    rgba(117,68,190,.11);
  box-shadow:
    0 0 0 1px rgba(154,92,255,.08) inset,
    0 0 20px rgba(139,92,246,.16);
  animation:aiThinkingGlow 1.55s ease-in-out infinite;
}
.thinking-orb{
  width:9px;
  height:9px;
  border-radius:50%;
  flex:0 0 auto;
  background:#a76cff;
  box-shadow:0 0 12px rgba(167,108,255,.95);
  animation:aiThinkingOrb 1.05s ease-in-out infinite;
}
.thinking-label{
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.01em;
}
.thinking-dots{display:inline-flex;align-items:flex-end;gap:3px;margin-left:1px}
.thinking-dots i{
  width:3px;height:3px;border-radius:50%;background:#c9acff;opacity:.35;
  animation:aiThinkingDot 1.1s ease-in-out infinite;
}
.thinking-dots i:nth-child(2){animation-delay:.14s}
.thinking-dots i:nth-child(3){animation-delay:.28s}
@keyframes aiThinkingGlow{
  0%,100%{box-shadow:0 0 0 1px rgba(154,92,255,.08) inset,0 0 12px rgba(139,92,246,.12)}
  50%{box-shadow:0 0 0 1px rgba(180,128,255,.18) inset,0 0 28px rgba(139,92,246,.34)}
}
@keyframes aiThinkingOrb{0%,100%{transform:scale(.72);opacity:.55}50%{transform:scale(1.12);opacity:1}}
@keyframes aiThinkingDot{0%,100%{transform:translateY(0);opacity:.3}50%{transform:translateY(-3px);opacity:1}}

.msg.ai.typing::after{
  content:"";
  display:inline-block;
  width:2px;
  height:1em;
  margin-left:3px;
  vertical-align:-2px;
  border-radius:2px;
  background:var(--purple-3);
  box-shadow:0 0 8px rgba(181,155,255,.7);
  animation:aiCaretBlink .72s steps(1,end) infinite;
}
@keyframes aiCaretBlink{0%,48%{opacity:1}49%,100%{opacity:0}}

@media(prefers-reduced-motion:reduce){
  .msg.ai.thinking,.thinking-orb,.thinking-dots i,.msg.ai.typing::after{animation:none!important}
}

/* v0.8.3 — account popover + compact liquid-glass thinking pill */
.profile-nav{position:relative;padding-right:10px}
.profile-chevron{
  margin-left:auto;width:auto!important;min-width:0!important;font-size:13px!important;color:var(--muted);
  opacity:.72;transform:translateY(1px);transition:.2s var(--ease)
}
.profile-nav[aria-expanded="true"] .profile-chevron{transform:rotate(180deg);color:var(--purple-3)}
body.sidebar-collapsed .profile-chevron{display:none}

.account-popover{
  position:absolute;left:14px;bottom:76px;width:236px;z-index:70;padding:12px;
  border-radius:20px;border:1px solid rgba(199,174,255,.18);
  background:linear-gradient(145deg,rgba(42,31,61,.72),rgba(18,14,28,.82));
  -webkit-backdrop-filter:blur(24px) saturate(150%);backdrop-filter:blur(24px) saturate(150%);
  box-shadow:0 22px 60px rgba(0,0,0,.38),inset 0 1px 0 rgba(255,255,255,.08),0 0 34px rgba(125,77,220,.11);
  opacity:0;visibility:hidden;pointer-events:none;transform:translateY(8px) scale(.97);
  transform-origin:bottom left;transition:.22s var(--ease)
}
.account-popover::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.07),transparent 38%,rgba(168,114,255,.055));
}
.account-popover.show{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.account-popover-head{display:flex;align-items:center;gap:10px;position:relative}
.account-avatar-lg{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;font-size:11px;font-weight:850;color:#e4dbff;background:linear-gradient(145deg,rgba(126,76,215,.34),rgba(65,39,106,.34));border:1px solid rgba(188,151,255,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.account-identity{display:flex;flex-direction:column;gap:4px;min-width:0}.account-identity b{font-size:12px}.account-identity span{font-size:9.5px;color:var(--muted);display:flex;align-items:center;gap:5px}.account-identity i{width:6px;height:6px;border-radius:50%;background:#8b5cf6;box-shadow:0 0 9px rgba(139,92,246,.75)}
.account-copy{position:relative;color:var(--muted);font-size:10.5px;line-height:1.55;margin:11px 1px 10px}
.account-google,.account-link{
  position:relative;width:100%;border:1px solid rgba(190,164,255,.16);color:var(--text);cursor:pointer;
  background:rgba(255,255,255,.035);transition:.2s var(--ease)
}
.account-google{height:39px;border-radius:13px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:10.5px}
.google-g{width:20px;height:20px;border-radius:7px;display:grid;place-items:center;background:rgba(255,255,255,.9);color:#312d36;font-weight:900;font-family:Arial,sans-serif}
.account-google:hover,.account-link:hover{background:rgba(139,92,246,.11);border-color:rgba(165,118,255,.32);transform:translateY(-1px)}
.account-link{height:34px;border-radius:11px;margin-top:7px;padding:0 10px;display:flex;align-items:center;justify-content:space-between;font-size:10.5px}
.account-note{position:relative;margin-top:9px;padding-top:9px;border-top:1px solid rgba(255,255,255,.055);font-size:8.8px;line-height:1.45;color:var(--muted)}
body.sidebar-collapsed .account-popover{left:80px;bottom:18px;transform-origin:bottom left}
html[data-theme="light"] .account-popover{background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(244,239,252,.82));box-shadow:0 22px 60px rgba(64,42,94,.14),inset 0 1px 0 rgba(255,255,255,.9)}

.msg.ai.thinking{
  min-width:0;width:max-content!important;max-width:none!important;padding:7px 12px!important;border-radius:999px!important;
  gap:0;color:#f4eeff;border:1px solid rgba(207,181,255,.20);
  background:linear-gradient(135deg,rgba(204,178,255,.105),rgba(109,61,243,.08) 52%,rgba(255,255,255,.035));
  -webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.11),inset 0 -1px 0 rgba(122,82,187,.08),0 7px 22px rgba(78,44,131,.13),0 0 18px rgba(139,92,246,.10);
  animation:aiThinkingGlass 1.65s ease-in-out infinite;
}
.msg.ai.thinking::before{
  content:"";position:absolute;inset:1px;border-radius:inherit;pointer-events:none;
  background:linear-gradient(115deg,rgba(255,255,255,.08),transparent 42%,rgba(185,146,255,.05));opacity:.72
}
.thinking-label{position:relative;font-size:10.5px;font-weight:750;letter-spacing:.015em;color:#e9ddff}
.thinking-orb,.thinking-dots{display:none!important}
@keyframes aiThinkingGlass{
  0%,100%{transform:scale(.985);filter:brightness(.98);box-shadow:inset 0 1px 0 rgba(255,255,255,.09),0 7px 20px rgba(78,44,131,.11),0 0 13px rgba(139,92,246,.08)}
  50%{transform:scale(1.015);filter:brightness(1.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 9px 26px rgba(78,44,131,.16),0 0 25px rgba(139,92,246,.23)}
}
@media(max-width:700px){.account-popover{left:12px;right:12px;width:auto;bottom:76px}}
@media(prefers-reduced-motion:reduce){.msg.ai.thinking{animation:none!important}}


/* v0.9 — Google + Supabase Auth */
.avatar.has-photo,.account-avatar-lg.has-photo,.profile-avatar-xl.has-photo{padding:0;overflow:hidden;background:rgba(255,255,255,.04)}
.avatar.has-photo img,.account-avatar-lg.has-photo img,.profile-avatar-xl.has-photo img{width:100%;height:100%;object-fit:cover;display:block}
.account-status-online{color:#79e8b3}
.account-signout{
  position:relative;width:100%;height:34px;border-radius:11px;margin-top:7px;padding:0 10px;
  border:1px solid rgba(255,111,135,.14);background:rgba(255,90,120,.045);color:#f1c6cf;
  cursor:pointer;font-size:10px;font-weight:700;transition:.2s var(--ease)
}
.account-signout:hover{background:rgba(255,90,120,.09);border-color:rgba(255,111,135,.25);transform:translateY(-1px)}
.account-google.loading{pointer-events:none;opacity:.7}
.account-google.loading .google-g{animation:authGooglePulse 1s ease-in-out infinite}
@keyframes authGooglePulse{0%,100%{transform:scale(.9);opacity:.55}50%{transform:scale(1.06);opacity:1}}
.profile-hero{align-items:center}
.profile-avatar-xl{
  width:96px;height:96px;border-radius:29px;display:grid;place-items:center;font-size:24px;font-weight:850;
  color:#e8e0ff;background:linear-gradient(145deg,rgba(126,76,215,.36),rgba(65,39,106,.38));
  border:1px solid rgba(188,151,255,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 46px rgba(69,41,113,.18)
}
.profile-auth-badge{display:inline-flex;align-items:center;gap:6px;margin-bottom:12px;padding:6px 9px;border-radius:999px;font-size:9px;font-weight:750;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.035)}
.profile-auth-badge.online{color:#8ce8ba;border-color:rgba(75,219,151,.16);background:rgba(39,163,105,.065)}
.profile-auth-badge.guest{color:var(--muted)}
.profile-email{margin-top:5px!important;font-size:11px!important;color:var(--muted)!important}


/* v0.9.1 — polished progress / ranking page */
.rank-page{padding-bottom:56px}
.rank-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}
.rank-heading .page-subtitle{max-width:760px}
.rank-sync{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);font-size:9px;font-weight:800;color:var(--muted);
  backdrop-filter:blur(16px)
}
.rank-sync span{width:6px;height:6px;border-radius:50%;background:#756d80;box-shadow:0 0 0 4px rgba(117,109,128,.08)}
.rank-sync.online{color:#9be9bf;border-color:rgba(62,210,143,.18);background:rgba(40,170,111,.055)}
.rank-sync.online span{background:#54d89b;box-shadow:0 0 13px rgba(84,216,155,.45)}

.rank-hero{
  position:relative;overflow:hidden;padding:27px 28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,420px);
  gap:34px;align-items:center;background:
    radial-gradient(circle at 82% 22%,rgba(137,83,255,.15),transparent 32%),
    radial-gradient(circle at 4% 100%,rgba(86,51,150,.12),transparent 34%),
    var(--panel);
}
.rank-hero:after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-90px;bottom:-145px;
  border:1px solid rgba(177,137,255,.08);box-shadow:0 0 80px rgba(113,68,210,.08);pointer-events:none
}
.rank-user{display:flex;align-items:center;gap:18px;min-width:0}
.rank-avatar{
  flex:0 0 auto;width:76px;height:76px;border-radius:24px;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(145deg,rgba(139,92,246,.35),rgba(75,43,121,.32));
  color:#efe8ff;font-size:21px;font-weight:900;border:1px solid rgba(190,158,255,.22);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09),0 18px 38px rgba(67,38,121,.2)
}
.rank-avatar img{width:100%;height:100%;object-fit:cover;display:block}
.rank-user-copy{min-width:0}
.rank-overline{display:block;margin-bottom:6px;color:var(--purple-3);font-size:8px;font-weight:900;letter-spacing:.16em}
.rank-user-copy h2{font-size:23px;line-height:1.05;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-user-copy p{margin:0;color:var(--muted);font-size:10.5px;line-height:1.6;max-width:460px}

.rank-level{position:relative;padding:18px 19px;border-radius:18px;border:1px solid rgba(162,119,255,.13);background:rgba(12,9,19,.44);backdrop-filter:blur(20px)}
.rank-level-top{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:12px}
.rank-level-top>div{display:flex;align-items:flex-end;gap:9px}
.rank-level-top span{font-size:8px;letter-spacing:.15em;color:var(--muted);font-weight:900;margin-bottom:4px}
.rank-level-top strong{font-size:29px;line-height:.9}
.rank-level-top>b{font-size:11px;color:#d9c9ff}
.rank-level-track{height:7px;border-radius:999px;background:rgba(255,255,255,.045);overflow:hidden;box-shadow:inset 0 1px 2px rgba(0,0,0,.25)}
.rank-level-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#7141d4,#a06cff);box-shadow:0 0 16px rgba(154,100,255,.36)}
.rank-level-foot{display:flex;justify-content:space-between;gap:12px;margin-top:8px;color:#807789;font-size:8.5px}

.rank-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:13px}
.rank-metric{display:flex;align-items:center;gap:13px;padding:17px 18px;min-height:86px}
.rank-metric-icon{
  width:37px;height:37px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(139,92,246,.085);border:1px solid rgba(163,120,255,.13);color:#b99bff;font-size:14px
}
.rank-metric small,.rank-metric span{display:block}
.rank-metric small{font-size:8px;letter-spacing:.12em;text-transform:uppercase;color:#776e82;font-weight:900;margin-bottom:3px}
.rank-metric b{font-size:19px;line-height:1;color:#eee9f3}
.rank-metric b em{font-size:10px;color:#7e7588;font-style:normal;font-weight:700}
.rank-metric span{font-size:8.5px;color:#7f7689;margin-top:5px}

.rank-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.7fr);gap:13px;margin-top:13px}
.rank-panel{padding:23px}
.rank-panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:17px}
.rank-panel-head h3{font-size:16px;margin:4px 0 0}
.rank-panel-head>span{font-size:9px;color:#8a8094;padding:7px 9px;border:1px solid var(--line);border-radius:999px}
.rank-module-list{display:flex;flex-direction:column;gap:9px}
.rank-module-row{
  display:grid;grid-template-columns:minmax(170px,1.2fr) minmax(100px,1fr) 42px;align-items:center;gap:13px;
  min-height:42px;padding:0 11px;border:1px solid rgba(255,255,255,.045);border-radius:11px;background:rgba(255,255,255,.015)
}
.rank-module-name{display:flex;align-items:center;gap:10px;min-width:0}
.rank-module-name span{font:700 8px "JetBrains Mono",monospace;color:#665d71}
.rank-module-name b{font-size:9.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-module-progress{height:4px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.045)}
.rank-module-progress i{height:100%;display:block;border-radius:inherit;background:linear-gradient(90deg,#7243d6,#9f6bff)}
.rank-module-row strong{font-size:9px;color:#b4a7c1;text-align:right}

.rank-global{
  position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;min-height:290px;
  background:radial-gradient(circle at 50% 20%,rgba(139,92,246,.12),transparent 42%),var(--panel)
}
.rank-global:after{content:"";position:absolute;inset:0;background:linear-gradient(125deg,transparent 20%,rgba(255,255,255,.025),transparent 55%);pointer-events:none}
.rank-lock{
  width:48px;height:48px;border-radius:17px;display:grid;place-items:center;margin:18px 0 15px;
  border:1px solid rgba(169,127,255,.18);background:rgba(139,92,246,.075);font-size:21px;color:#b493ff;
  box-shadow:0 10px 35px rgba(80,43,150,.16)
}
.rank-global h3{font-size:17px;margin-bottom:8px}
.rank-global p{font-size:10.5px;line-height:1.75;color:var(--muted);margin:0}
.rank-coming{margin-top:18px;padding:10px 11px;border:1px solid rgba(255,255,255,.05);border-radius:11px;background:rgba(255,255,255,.018);font-size:8.5px;color:#817788}
.rank-coming span{display:inline-block;width:6px;height:6px;border-radius:50%;background:#8e68d9;margin-right:6px;box-shadow:0 0 11px rgba(142,104,217,.34)}

@media(max-width:1050px){
  .rank-hero{grid-template-columns:1fr}
  .rank-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rank-grid{grid-template-columns:1fr}
}
@media(max-width:650px){
  .rank-heading{align-items:flex-start;flex-direction:column}
  .rank-hero{padding:21px}
  .rank-user{align-items:flex-start}
  .rank-avatar{width:62px;height:62px;border-radius:20px}
  .rank-user-copy h2{font-size:19px}
  .rank-metrics{grid-template-columns:1fr 1fr}
  .rank-module-row{grid-template-columns:minmax(130px,1fr) 80px 36px;gap:8px}
}
@media(max-width:440px){
  .rank-metrics{grid-template-columns:1fr}
  .rank-level-foot{flex-direction:column;gap:3px}
}