:root{
  --bg0:#0a0512;
  --bg1:#0f0720;
  --bg2:#180b30;
  --accent:#a78bfa;
  --accent2:#c084fc;
  --accent3:#e879f9;
  --text:#efe9ff;
  --muted:#a89ac4;
  --glass:rgba(255,255,255,.05);
  --glass2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.10);
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --radius:20px;
  --font:"Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono",monospace;
  --head:"Space Grotesk",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg0);color:var(--text);min-height:100vh;overflow-x:hidden}

/* ================= BACKGROUND ================= */
.orbs{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(1200px 800px at 80% -10%, #2a1350 0%, transparent 60%),
  radial-gradient(1000px 700px at -10% 20%, #1b0b3a 0%, transparent 55%),
  linear-gradient(160deg, var(--bg0) 0%, var(--bg1) 45%, var(--bg2) 100%);}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;mix-blend-mode:screen;}
.orb1{width:520px;height:520px;background:radial-gradient(circle,#8b5cf6,transparent 70%);top:-120px;left:10%;animation:float1 22s ease-in-out infinite;}
.orb2{width:460px;height:460px;background:radial-gradient(circle,#d946ef,transparent 70%);top:40%;right:-120px;animation:float2 26s ease-in-out infinite;}
.orb3{width:420px;height:420px;background:radial-gradient(circle,#6d28d9,transparent 70%);bottom:-140px;left:25%;animation:float3 30s ease-in-out infinite;}
.orb4{width:300px;height:300px;background:radial-gradient(circle,#e879f9,transparent 70%);top:15%;left:60%;animation:float2 18s ease-in-out infinite reverse;}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(80px,50px) scale(1.15)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-70px,-40px) scale(1.1)}}
@keyframes float3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(60px,-60px) scale(1.2)}}
.gridlines{position:fixed;inset:0;z-index:-1;background-image:
  linear-gradient(rgba(167,139,250,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(167,139,250,.04) 1px,transparent 1px);
  background-size:60px 60px;pointer-events:none;}

/* ================= LAYOUT ================= */
.shell{display:flex;min-height:100vh;}
.sidebar{width:230px;position:fixed;inset:0 auto 0 0;z-index:50;padding:24px 16px;display:flex;flex-direction:column;gap:6px;
  background:rgba(15,7,32,.55);backdrop-filter:blur(24px) saturate(150%);border-right:1px solid var(--border);
  overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(167,139,250,.25) transparent;}
.brand{display:flex;align-items:center;gap:12px;padding:8px 10px 22px;}
.brand-logo{width:44px;height:44px;border-radius:13px;flex-shrink:0;position:relative;
  background:linear-gradient(135deg,#8b5cf6,#d946ef);box-shadow:0 8px 24px rgba(139,92,246,.45);display:grid;place-items:center;}
.brand-logo::after{content:"";position:absolute;inset:0;border-radius:13px;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.5));}
.brand-logo svg{width:25px;height:25px;position:relative;z-index:1;}
.brand h1{font-family:var(--head);font-size:19px;font-weight:700;letter-spacing:.5px;}
.brand small{display:block;font-size:11px;color:var(--muted);margin-top:2px;font-family:var(--mono);}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;color:var(--muted);text-decoration:none;
  font-size:14px;font-weight:500;border:1px solid transparent;transition:all .25s ease;cursor:pointer;background:none;font-family:var(--font);}
.nav-item:hover{color:var(--text);background:var(--glass);transform:translateX(4px);}
.nav-item.active{color:var(--text);background:var(--glass2);border-color:var(--border);box-shadow:inset 0 0 20px rgba(139,92,246,.12);}
.nav-item .ico{width:20px;text-align:center;font-size:16px;}
.nav-sep{margin:12px 10px;border-top:1px solid var(--border);}
.side-foot{margin-top:auto;font-size:11px;color:var(--muted);padding:10px 14px;line-height:1.6;}
.side-foot .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4ade80;margin-right:6px;box-shadow:0 0 10px #4ade80;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.main{margin-left:230px;flex:1;padding:40px 44px 80px;max-width:1400px;}

/* ================= SECTIONS ================= */
section{display:none;animation:fadeUp .6s ease both;}
section.active{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.sec-title{font-family:var(--head);font-size:clamp(26px,4vw,40px);font-weight:700;letter-spacing:-.5px;margin-bottom:8px;}
.grad{background:linear-gradient(120deg,#c4b5fd,#e879f9 55%,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-sub{color:var(--muted);font-size:15px;max-width:680px;margin-bottom:34px;line-height:1.7;}

/* ================= HERO ================= */
.hero{padding:34px 0 20px;}
.hero .tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:var(--glass);
  border:1px solid var(--border);font-size:12.5px;color:var(--accent);font-family:var(--mono);margin-bottom:20px;backdrop-filter:blur(10px);}
.hero h2{font-family:var(--head);font-size:clamp(34px,6vw,62px);font-weight:700;line-height:1.05;letter-spacing:-1px;}
.hero p{color:var(--muted);font-size:16px;max-width:560px;margin-top:18px;line-height:1.7;}
.search{margin-top:28px;max-width:520px;position:relative;}
.search input{width:100%;padding:15px 20px 15px 48px;border-radius:16px;border:1px solid var(--border);background:var(--glass);
  backdrop-filter:blur(14px);color:var(--text);font-size:14.5px;outline:none;transition:all .3s;font-family:var(--font);}
.search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(139,92,246,.18);background:var(--glass2);}
.search svg{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--muted);}
.stat-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:34px;}
.stat{min-width:130px;padding:16px 20px;border-radius:16px;background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(12px);}
.stat b{font-family:var(--head);font-size:24px;display:block;background:linear-gradient(120deg,#c4b5fd,#e879f9);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{font-size:12px;color:var(--muted);}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;}
.cta{padding:14px 24px;border-radius:14px;font-weight:600;font-size:14.5px;text-decoration:none;color:#fff;
  background:linear-gradient(135deg,#8b5cf6,#d946ef);box-shadow:0 14px 34px rgba(139,92,246,.4);transition:all .3s;display:inline-flex;align-items:center;gap:9px;}
.cta:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(139,92,246,.55);}
.cta.ghost{background:var(--glass);border:1px solid var(--border);color:var(--text);box-shadow:none;backdrop-filter:blur(8px);}
.cta.ghost:hover{background:var(--glass2);}

/* ================= GRID + CARDS ================= */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;}
.tool-card{position:relative;padding:22px;border-radius:var(--radius);cursor:pointer;overflow:hidden;
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.015));border:1px solid var(--border);
  backdrop-filter:blur(16px) saturate(140%);transition:all .35s cubic-bezier(.2,.8,.2,1);}
.tool-card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:linear-gradient(135deg,rgba(167,139,250,.5),transparent 40%,rgba(232,121,249,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .35s;pointer-events:none;}
.tool-card:hover{transform:translateY(-6px);box-shadow:var(--shadow),0 0 30px rgba(139,92,246,.15);}
.tool-card:hover::before{opacity:1;}
.tool-card .ticon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;
  background:linear-gradient(135deg,rgba(139,92,246,.25),rgba(217,70,239,.2));border:1px solid var(--border);margin-bottom:16px;}
.tool-card h3{font-family:var(--head);font-size:16px;font-weight:600;margin-bottom:7px;}
.tool-card p{font-size:13px;color:var(--muted);line-height:1.6;min-height:40px;}
.tool-card .go{margin-top:14px;font-size:12px;color:var(--accent2);font-family:var(--mono);opacity:0;transform:translateX(-6px);transition:all .3s;}
.tool-card:hover .go{opacity:1;transform:translateX(0);}

/* ================= MODAL ================= */
.overlay{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;background:rgba(6,2,12,.6);
  backdrop-filter:blur(10px);padding:24px;}
.overlay.open{display:flex;animation:fadeIn .3s ease;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{width:100%;max-width:680px;max-height:88vh;overflow-y:auto;border-radius:24px;position:relative;
  background:linear-gradient(160deg,rgba(40,22,74,.75),rgba(18,9,38,.85));border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(30px) saturate(160%);box-shadow:0 40px 120px rgba(0,0,0,.6);padding:30px;
  animation:pop .4s cubic-bezier(.2,.9,.3,1.2);scrollbar-width:thin;scrollbar-color:var(--accent) transparent;}
@keyframes pop{from{opacity:0;transform:scale(.92) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-close{position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);
  background:var(--glass);color:var(--text);font-size:16px;cursor:pointer;transition:all .25s;display:grid;place-items:center;}
.modal-close:hover{background:rgba(232,121,249,.2);transform:rotate(90deg);}
.modal h2{font-family:var(--head);font-size:22px;margin-bottom:6px;padding-right:40px;}
.modal .msub{color:var(--muted);font-size:13.5px;margin-bottom:24px;line-height:1.6;}
.mrow{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
.mrow label{font-size:12.5px;color:var(--accent);font-weight:600;letter-spacing:.4px;text-transform:uppercase;}
.mrow textarea,.mrow input[type=text],.mrow input[type=number],.mrow input[type=password],.mrow select{
  width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--border);background:rgba(10,5,20,.5);color:var(--text);
  font-size:14px;outline:none;transition:all .25s;font-family:var(--mono);}
.mrow textarea{min-height:110px;resize:vertical;line-height:1.6;}
.mrow input:focus,.mrow textarea:focus,.mrow select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,92,246,.15);}
.mrow select option{background:#1a0d33;color:var(--text);}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 16px;}
.btn{padding:11px 18px;border-radius:12px;border:1px solid var(--border);cursor:pointer;font-size:13.5px;font-weight:600;
  color:var(--text);background:linear-gradient(135deg,rgba(139,92,246,.35),rgba(217,70,239,.25));transition:all .25s;
  backdrop-filter:blur(8px);font-family:var(--font);}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(139,92,246,.35);filter:brightness(1.15);}
.btn.ghost{background:var(--glass);color:var(--muted);}
.btn.ghost:hover{color:var(--text);background:var(--glass2);}
.btn.good{background:linear-gradient(135deg,#10b981,#059669);border-color:transparent;}
.btn.warn{background:linear-gradient(135deg,#f59e0b,#d97706);border-color:transparent;}
.out{width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--border);background:rgba(139,92,246,.08);
  color:var(--accent);font-size:13.5px;font-family:var(--mono);word-break:break-word;white-space:pre-wrap;line-height:1.6;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:640px){.grid-2{grid-template-columns:1fr;}}
.range-row{display:flex;align-items:center;gap:14px;}
input[type=range]{flex:1;accent-color:#a78bfa;}
.opt-tile{display:flex;flex-wrap:wrap;gap:8px;}
.opt-tile label{display:flex;align-items:center;gap:7px;padding:8px 12px;border-radius:10px;border:1px solid var(--border);
  background:var(--glass);font-size:12.5px;cursor:pointer;transition:all .2s;user-select:none;}
.opt-tile label:has(input:checked){border-color:var(--accent2);background:rgba(139,92,246,.2);}
.opt-tile input{accent-color:#a78bfa;}
.hint{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.6;}

/* ================= LAB ================= */
.lab-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;}
@media(max-width:960px){.lab-grid{grid-template-columns:1fr;}}
.panel{padding:22px;border-radius:var(--radius);background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--border);backdrop-filter:blur(16px);}
.panel h3{font-family:var(--head);font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.panel .psub{color:var(--muted);font-size:13px;margin-bottom:16px;}
.terminal{background:#080313;border-radius:14px;border:1px solid rgba(139,92,246,.25);overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,.5),inset 0 0 40px rgba(139,92,246,.05);}
.term-head{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--border);}
.term-head .dot{width:12px;height:12px;border-radius:50%;}
.term-head .t-title{margin-left:10px;font-family:var(--mono);font-size:12px;color:var(--muted);}
.term-body{padding:16px;font-family:var(--mono);font-size:13px;height:300px;overflow-y:auto;line-height:1.65;}
.term-body .out{background:none;border:none;color:#c9c2ff;padding:0;}
.term-body .ok{color:#4ade80;}
.term-body .err{color:#f87171;}
.term-body .cmdline{color:#e879f9;}
.term-body .sys{color:#7dd3fc;}
.term-body .prompt{color:#4ade80;}
.term-line{display:flex;align-items:center;gap:8px;}
.term-prompt{color:#4ade80;flex-shrink:0;}
.term-input{background:none;border:none;outline:none;color:var(--text);font-family:var(--mono);font-size:13px;flex:1;caret-color:#e879f9;}
.term-input::placeholder{color:#4b3a6b;}
.code-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:640px){.code-grid{grid-template-columns:1fr;}}
.code-area{width:100%;height:260px;border-radius:12px;border:1px solid var(--border);background:#0a0515;color:#e6dcff;
  font-family:var(--mono);font-size:12.5px;padding:14px;resize:vertical;outline:none;line-height:1.6;}
.code-area:focus{border-color:var(--accent);}
.frame-preview{width:100%;height:260px;border-radius:12px;border:1px solid var(--border);background:#fff;border:0;}

/* ================= LEARN / GAMES / PROFILE ================= */
.learn-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
.learn-card{padding:22px;border-radius:var(--radius);position:relative;overflow:hidden;cursor:pointer;
  background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.015));border:1px solid var(--border);
  backdrop-filter:blur(16px);transition:transform .3s,box-shadow .3s;}
.learn-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.learn-card .bignum{position:absolute;right:14px;top:6px;font-family:var(--head);font-size:64px;font-weight:700;color:rgba(167,139,250,.08);}
.learn-card h4{font-family:var(--head);font-size:16px;margin-bottom:8px;}
.learn-card p{font-size:13px;color:var(--muted);line-height:1.7;}
.learn-card pre{background:rgba(0,0,0,.35);border:1px solid var(--border);border-radius:10px;padding:10px 12px;
  font-family:var(--mono);font-size:12px;margin-top:12px;overflow-x:auto;color:#c4b5fd;}
.badge-done{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:12px;font-weight:600;color:#4ade80;
  background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.3);padding:6px 12px;border-radius:99px;}

.profile{display:flex;gap:22px;flex-wrap:wrap;align-items:center;padding:24px;border-radius:var(--radius);margin-bottom:30px;
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.015));border:1px solid var(--border);backdrop-filter:blur(16px);}
.avatar{width:76px;height:76px;border-radius:22px;display:grid;place-items:center;font-size:38px;flex-shrink:0;
  background:linear-gradient(135deg,#8b5cf6,#d946ef);box-shadow:0 12px 30px rgba(139,92,246,.4);}
.profile-info{flex:1;min-width:220px;}
.profile-info h3{font-family:var(--head);font-size:22px;}
.profile-info .lvl{color:var(--accent2);font-size:13px;font-family:var(--mono);margin-bottom:12px;}
.xp-bar{height:14px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden;border:1px solid var(--border);}
.xp-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,#8b5cf6,#e879f9);transition:width .6s cubic-bezier(.2,.8,.2,1);position:relative;}
.xp-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shine 2.2s infinite;}
@keyframes shine{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.profile-info .xp-txt{font-size:12px;color:var(--muted);margin-top:7px;}
.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:22px;}
.badge{text-align:center;padding:18px 12px;border-radius:16px;border:1px solid var(--border);background:var(--glass);
  backdrop-filter:blur(10px);transition:all .3s;filter:grayscale(1) opacity(.5);}
.badge.won{border-color:rgba(232,121,249,.5);background:rgba(139,92,246,.12);filter:none;box-shadow:0 10px 30px rgba(139,92,246,.25);}
.badge .bico{font-size:30px;display:block;margin-bottom:8px;}
.badge b{font-size:13px;display:block;}
.badge span{font-size:11px;color:var(--muted);line-height:1.5;display:block;margin-top:4px;}

.course-card{padding:22px;border-radius:var(--radius);margin-bottom:18px;background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--border);backdrop-filter:blur(16px);}
.course-card h3{font-family:var(--head);font-size:19px;display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.course-card .csub{color:var(--muted);font-size:13px;margin-bottom:16px;}
.lesson{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:13px;border:1px solid var(--border);
  background:var(--glass);margin-bottom:10px;cursor:pointer;transition:all .25s;}
.lesson:hover{border-color:var(--accent);transform:translateX(4px);}
.lesson .lico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:18px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(139,92,246,.25),rgba(217,70,239,.2));border:1px solid var(--border);}
.lesson .ltxt{flex:1;}
.lesson .ltxt b{font-size:14px;display:block;}
.lesson .ltxt span{font-size:12px;color:var(--muted);}
.lesson .lstat{font-size:13px;color:var(--muted);}
.lesson.done .lstat{color:#4ade80;}

.lesson-body .lblock{margin-bottom:16px;font-size:14.5px;color:#ddd3ff;line-height:1.75;}
.lesson-body .lblock code{background:rgba(0,0,0,.35);border:1px solid var(--border);padding:2px 7px;border-radius:7px;
  font-family:var(--mono);font-size:13px;color:#c4b5fd;}
.lesson-body .lblock pre{background:rgba(0,0,0,.35);border:1px solid var(--border);border-radius:11px;padding:14px;font-family:var(--mono);
  font-size:12.5px;color:#e6dcff;overflow-x:auto;line-height:1.6;}
.lesson-body .tip{border-left:3px solid var(--accent2);padding:10px 14px;border-radius:8px;background:rgba(139,92,246,.1);font-size:13.5px;color:var(--accent);}

.quiz-q{margin-bottom:22px;animation:fadeUp .4s ease both;}
.quiz-q .qq{font-size:15px;font-weight:600;margin-bottom:12px;}
.quiz-q .opt{display:block;width:100%;text-align:left;padding:13px 16px;border-radius:12px;border:1px solid var(--border);
  background:var(--glass);color:var(--text);font-size:14px;cursor:pointer;margin-bottom:8px;transition:all .2s;font-family:var(--font);}
.quiz-q .opt:hover{border-color:var(--accent);background:var(--glass2);}
.quiz-q .opt.correct{border-color:#4ade80;background:rgba(74,222,128,.14);}
.quiz-q .opt.wrong{border-color:#f87171;background:rgba(248,113,113,.14);}
.quiz-feedback{margin-top:10px;font-size:13.5px;line-height:1.6;}
.quiz-feedback .good{color:#4ade80;font-weight:600;}
.quiz-feedback .bad{color:#f87171;font-weight:600;}

.game-shell{padding:26px;border-radius:var(--radius);text-align:center;background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--border);backdrop-filter:blur(16px);}
.game-shell h3{font-family:var(--head);font-size:22px;margin-bottom:8px;}
.game-shell .gsub{color:var(--muted);font-size:13.5px;margin-bottom:20px;}
.game-prompt{font-family:var(--head);font-size:clamp(30px,5vw,44px);font-weight:700;letter-spacing:3px;margin-bottom:18px;
  background:linear-gradient(120deg,#c4b5fd,#e879f9);-webkit-background-clip:text;background-clip:text;color:transparent;}
.game-score{font-family:var(--mono);font-size:15px;color:var(--accent2);margin-bottom:16px;}
.game-input{padding:14px 18px;border-radius:13px;border:1px solid var(--border);background:rgba(10,5,20,.5);color:var(--text);
  font-size:20px;text-align:center;outline:none;font-family:var(--mono);max-width:280px;}
.game-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,92,246,.15);}
.game-msg{min-height:26px;font-size:14px;margin-top:14px;font-weight:600;}
.game-msg.ok{color:#4ade80;}.game-msg.ko{color:#f87171;}
.game-end{font-size:17px;line-height:1.8;color:var(--text);}
.game-end b{color:#e879f9;}

.acc{padding:16px 20px;border-radius:14px;background:var(--glass);border:1px solid var(--border);margin-bottom:10px;
  backdrop-filter:blur(10px);cursor:pointer;transition:all .3s;user-select:none;}
.acc:hover{border-color:var(--accent);}
.acc .q{display:flex;justify-content:space-between;align-items:center;font-size:14.5px;font-weight:600;}
.acc .q span:last-child{transition:transform .3s;color:var(--accent2);}
.acc.open .q span:last-child{transform:rotate(45deg);}
.acc .a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--muted);font-size:13.5px;line-height:1.7;}
.acc.open .a{max-height:400px;padding-top:12px;}

.key-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;}
.key-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:12px;
  background:var(--glass);border:1px solid var(--border);font-size:13.5px;backdrop-filter:blur(8px);}
.key-item kbd{font-family:var(--mono);font-size:12px;padding:5px 10px;border-radius:8px;background:rgba(139,92,246,.18);
  border:1px solid rgba(167,139,250,.4);color:var(--accent);white-space:nowrap;}

.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px;}
.tab{padding:10px 18px;border-radius:99px;border:1px solid var(--border);background:var(--glass);color:var(--muted);
  font-size:13.5px;font-weight:600;cursor:pointer;transition:all .25s;backdrop-filter:blur(8px);font-family:var(--font);}
.tab:hover{color:var(--text);}
.tab.active{background:linear-gradient(135deg,rgba(139,92,246,.4),rgba(217,70,239,.3));color:var(--text);border-color:var(--accent);}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadeUp .45s ease both;}

footer{margin-top:60px;padding-top:26px;border-top:1px solid var(--border);color:var(--muted);
  font-size:12.5px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
footer .love{color:#e879f9;}

/* ================= ADSENSE ================= */
.ad-block{width:100%;max-width:728px;margin:1.5rem auto 2rem;padding:0;border:1px dashed rgba(167,139,250,.28);
  border-radius:14px;background:rgba(255,255,255,.02);min-height:110px;display:flex;flex-direction:column;align-items:center;
  overflow-x:auto;scrollbar-width:none;}
.ad-block ins{min-height:90px;display:block;width:100%;}
.ad-block .ad-label{font-size:10px;letter-spacing:2.5px;color:var(--muted);text-transform:uppercase;margin:8px 0 6px;text-align:center;}
.ad-block.small{max-width:none;min-height:80px;margin:14px 0;}
.ad-block.small ins{min-height:70px;}
.ad-block.ad-top{margin:0 0 30px;min-height:90px;}

/* ================= PARTY MODE (konami) ================= */
body.party .orb1{animation-duration:1.2s;background:radial-gradient(circle,#f43f5e,transparent 70%);}
body.party .orb2{animation-duration:1.6s;background:radial-gradient(circle,#22d3ee,transparent 70%);}
body.party .orb3{animation-duration:1.4s;background:radial-gradient(circle,#a3e635,transparent 70%);}
body.party .orb4{animation-duration:1s;background:radial-gradient(circle,#fb923c,transparent 70%);}
body.party .tool-card,body.party .learn-card,body.party .panel,body.party .stat{animation:hue 1.6s linear infinite;}
body.party .brand-logo{animation:spin 2.5s linear infinite;}
@keyframes hue{0%{filter:hue-rotate(0)}100%{filter:hue-rotate(360deg)}}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,100px);z-index:200;padding:12px 22px;border-radius:14px;
  background:linear-gradient(135deg,rgba(139,92,246,.9),rgba(217,70,239,.85));color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 16px 40px rgba(139,92,246,.4);backdrop-filter:blur(12px);transition:transform .4s cubic-bezier(.2,.9,.3,1.3);}
.toast.show{transform:translate(-50%,0);}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(167,139,250,.25);border-radius:99px;border:2px solid transparent;background-clip:content-box;}
::-webkit-scrollbar-thumb:hover{background:rgba(167,139,250,.5);background-clip:content-box;border:2px solid transparent;}

/* ================= BURGER MENU (mobile) ================= */
.mobile-bar{display:none;}
@media(max-width:900px){
  .mobile-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;position:sticky;top:0;z-index:60;
    background:rgba(15,7,32,.85);backdrop-filter:blur(20px) saturate(150%);border-bottom:1px solid var(--border);}
  .mobile-bar .brand{padding:0;}
  .mobile-bar .brand small{display:none;}
  .mobile-bar .brand h1{font-size:17px;}
  .burger{width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--glass);
    color:var(--text);cursor:pointer;display:grid;place-items:center;transition:all .25s;flex-shrink:0;}
  .burger:hover{border-color:var(--accent);background:var(--glass2);}
  .sidebar{display:none;}
  .main{margin-left:0;padding:20px 16px 60px;}
  .nav-sep,.side-foot{display:none;}
}
.drawer{position:fixed;top:0;left:0;bottom:0;width:280px;max-width:85vw;z-index:120;display:flex;flex-direction:column;gap:6px;
  padding:22px 16px;background:linear-gradient(160deg,rgba(40,22,74,.92),rgba(15,7,32,.96));
  backdrop-filter:blur(24px) saturate(150%);border-right:1px solid var(--border);
  transform:translateX(-105%);transition:transform .38s cubic-bezier(.2,.8,.2,1);overflow-y:auto;}
.drawer.open{transform:translateX(0);box-shadow:30px 0 80px rgba(0,0,0,.5);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 0 14px;margin-bottom:10px;border-bottom:1px solid var(--border);}
.drawer-overlay{position:fixed;inset:0;z-index:110;background:rgba(6,2,12,.6);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .3s;}
.drawer-overlay.show{opacity:1;pointer-events:auto;}
.drawer-foot{margin-top:auto;padding:14px 8px 4px;font-size:11px;color:var(--muted);text-align:center;line-height:1.6;}

@media(max-width:560px){
  .main{padding:22px 14px 50px;}
  .hero{padding:20px 0 10px;}
  .hero h2{font-size:34px;}
  .hero p{font-size:15px;}
  .hero .tag{font-size:10.5px;padding:6px 12px;}
  .sec-title{font-size:25px;}
  .sec-sub{font-size:14px;margin-bottom:24px;}
  .stat-row{flex-direction:column;gap:10px;}
  .stat{min-width:100%;}
  .search input{padding:14px 16px 14px 44px;}
  .btn-row .btn{flex:1 1 44%;justify-content:center;}
  .modal{padding:24px 16px;}
  .profile{flex-direction:column;align-items:stretch;}
  .profile-info{min-width:0;}
  .code-area,.frame-preview{height:200px;}
  .game-input{width:100%;max-width:none;}
  .key-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .tool-card p{min-height:0;}
  .xp-txt{font-size:11px;}
  footer{flex-direction:column;gap:6px;}
}