@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Nunito:ital,wght@0,400;0,600;0,700;0,800;1,600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --bg:#F4F9F0;
  --surface:#FFFFFF;
  --ink:#1F2A1A;
  --muted:#4A6A3A;
  --primary:#61B01F;
  --primary-dark:#4A8A18;
  --primary-light:#E6F5D9;
  --accent:#6E0091;
  --accent-light:#F2E2F7;
  --accent-ink:#3E0052;
  --line:#C5DDB5;
  --dark:#1E3A14;
  --dark2:#153010;
  --danger:#D93B3B;
  --danger-light:#FDE8E8;
  --radius:24px;
  --radius-sm:16px;
  --shadow:0 16px 40px rgba(30,58,20,.12);
  --font-size-base:20px;
}

.theme-studio{
  --bg:#EFF8F3;
  --ink:#12271F;
  --muted:#5B7A6D;
  --primary:#129E6C;
  --primary-dark:#0B7350;
  --primary-light:#DCF3E7;
  --accent:#FFB238;
  --accent-ink:#7A4B00;
  --accent-light:#FFF3DC;
  --line:#CFE8DC;
  --dark:#0E2A22;
  --dark2:#123528;
  --danger:#E0554F;
  --danger-light:#FCE4E2;
  --shadow:0 12px 32px rgba(14,42,34,.10);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Nunito','Segoe UI',Tahoma,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  font-size:var(--font-size-base);
}
h1,h2,h3,h4,.display{
  font-family:'Fredoka','Segoe UI',sans-serif;
  color:var(--dark2);
  line-height:1.3;
  margin:0 0 .6em;
}
h1{font-size:2.8rem;}
h2{font-size:2.2rem;}
h3{font-size:1.6rem;}
p{margin:0 0 1.2em;}
a{color:var(--primary-dark);}
img{max-width:100%;display:block;border-radius:var(--radius-sm);}
.wrap{max-width:1100px;margin:0 auto;padding:0 25px;}
.theme-studio .wrap{max-width:980px;}

.site-header{
  background:#E8F5E9;
  background-image:radial-gradient(circle at 30px 30px, rgba(255,255,255,.5) 3px, transparent 3.5px);
  background-size:60px 60px;
  color:var(--dark2);
  padding:30px 0 0;
  border-bottom:3px solid var(--primary);
}
.theme-studio .site-header{
  background:var(--dark);
  background-image:radial-gradient(circle at 22px 22px, rgba(255,255,255,.07) 2.2px, transparent 2.6px);
  background-size:44px 44px;
  color:#EAFBF3;
  border-bottom:none;
}
.top-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-bottom:22px;}
.brand{display:flex;align-items:center;gap:16px;text-decoration:none;color:var(--dark2);}
.theme-studio .brand{color:#EAFBF3;}
.brand img,.brand svg{height:56px;width:auto;border-radius:0;filter:drop-shadow(0 2px 6px rgba(0,0,0,.1));flex-shrink:0;}
.brand-name{font-family:'Fredoka';font-weight:700;font-size:24px;letter-spacing:.3px;}
.brand-tag{font-size:14px;color:var(--muted);font-weight:600;margin-top:-2px;}
.theme-studio .brand-tag,.theme-studio .crumbs{color:#9FCBB7;}
.crumbs{font-size:16px;color:var(--muted);font-weight:600;}
.crumbs a{color:var(--primary-dark);text-decoration:none;}
.theme-studio .crumbs a{color:#BFE8D6;}
.crumbs a:hover{text-decoration:underline;}
.hero{display:flex;align-items:center;gap:28px;padding:10px 0 36px;flex-wrap:wrap;}
.hex-badge{
  width:90px;height:90px;flex-shrink:0;
  background:linear-gradient(145deg,var(--accent),#8A2BB5);
  clip-path:polygon(25% 3%,75% 3%,100% 50%,75% 97%,25% 97%,0% 50%);
  display:flex;align-items:center;justify-content:center;
  font-family:'Fredoka';font-weight:700;color:#fff;
  font-size:20px;text-align:center;line-height:1.2;padding:6px;
  box-shadow:0 8px 24px rgba(110,0,145,.35);
}
.theme-studio .hex-badge{background:linear-gradient(155deg,var(--accent),#FF9A3D);color:var(--dark);box-shadow:0 6px 18px rgba(0,0,0,.25);}
.hero h1{color:var(--dark2);font-size:clamp(32px,5vw,44px);margin:0 0 8px;}
.theme-studio .hero h1{color:#fff;}
.hero .subtitle{color:var(--muted);font-size:18px;font-weight:600;margin:0;}
.theme-studio .hero .subtitle{color:#BFE8D6;}
.module-pill{display:inline-block;background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--primary);padding:6px 18px;border-radius:99px;font-size:14px;font-weight:700;margin-bottom:12px;letter-spacing:.3px;}
.theme-studio .module-pill{background:rgba(255,255,255,.12);color:#EAFBF3;border-color:rgba(255,255,255,.25);}

main{padding:40px 0 20px;}
.card,.objectives,.task-box,.quiz-wrap,.match-block,.reflection-box,.interactive-box,.challenge-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:34px 38px;
  margin-bottom:34px;
}
.card h2,.task-box h2,.quiz-wrap h2,.interactive-box h2,.challenge-box h2{font-size:2rem;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.card h2 .num{background:var(--primary);color:#fff;font-family:'Fredoka';font-size:18px;font-weight:700;width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
.theme-studio .card h2 .num{background:var(--primary-light);color:var(--primary-dark);}
.card h3{font-size:1.5rem;margin-top:1.5em;}
.muted{color:var(--muted);}

.objectives{background:linear-gradient(135deg,var(--primary-light),#F2FCE9);box-shadow:none;}
.theme-studio .objectives{background:linear-gradient(135deg,var(--primary-light),#EFFBF5);}
.objectives h2{color:var(--primary-dark);font-size:1.8rem;margin-bottom:16px;}
.objectives ul{margin:0;padding:0;list-style:none;}
.objectives li{display:flex;gap:14px;align-items:flex-start;padding:10px 0;font-weight:700;color:var(--dark2);font-size:1.1rem;}
.objectives li::before{content:'✓';flex-shrink:0;background:var(--primary);color:#fff;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;margin-top:1px;}

.timetable{width:100%;border-collapse:collapse;margin:18px 0 6px;font-size:1.1rem;}
.timetable th{background:var(--dark);color:#F0FBE8;text-align:left;padding:14px 18px;font-family:'Fredoka';font-weight:600;font-size:1rem;}
.timetable th:first-child{border-radius:14px 0 0 14px;}
.timetable th:last-child{border-radius:0 14px 14px 0;}
.timetable td{padding:14px 18px;border-bottom:1px solid var(--line);}
.timetable tr:last-child td{border-bottom:none;font-weight:800;color:var(--primary-dark);}

.data-table-wrap{overflow-x:auto;margin:20px 0;border-radius:var(--radius-sm);border:1px solid var(--line);}
table.data-table{width:100%;border-collapse:collapse;font-size:1rem;min-width:480px;}
table.data-table caption{caption-side:top;text-align:left;font-weight:800;color:var(--primary-dark);padding:14px 18px;background:var(--primary-light);font-family:'Fredoka';font-size:1.1rem;}
table.data-table th{background:var(--dark2);color:#F0FBE8;padding:14px 18px;text-align:left;font-size:1rem;font-family:'Fredoka';font-weight:600;}
table.data-table td{padding:14px 18px;border-bottom:1px solid var(--line);background:#fff;font-size:1rem;}
table.data-table tr:nth-child(even) td{background:#F6FBF3;}
table.data-table code{background:var(--primary-light);padding:2px 8px;border-radius:8px;font-size:.95em;}

.media-placeholder,.media-block{border:3px dashed var(--accent);background:var(--accent-light);border-radius:var(--radius-sm);padding:26px 30px;margin:22px 0;display:flex;gap:18px;align-items:flex-start;}
.media-block{display:block;border-style:solid;background:#fff;}
.media-placeholder .mp-icon{font-size:32px;flex-shrink:0;line-height:1;}
.media-placeholder b{color:var(--accent-ink);}
.media-placeholder p{margin:0;color:var(--accent-ink);font-size:1.05rem;}

.code-block{margin:20px 0;border-radius:var(--radius-sm);overflow:hidden;box-shadow:0 8px 24px rgba(14,42,34,.18);}
.code-head{background:#0A2119;color:#B3D9A0;font-family:'JetBrains Mono',monospace;font-size:14px;padding:12px 20px;display:flex;align-items:center;gap:12px;}
.code-head .dots{display:flex;gap:6px;}
.code-head .dot{width:11px;height:11px;border-radius:50%;}
.code-head .d1{background:#D93B3B;}.code-head .d2{background:#FFB238;}.code-head .d3{background:#61B01F;}
.code-head .fname{margin-left:8px;opacity:.85;}
pre.code{background:var(--dark);color:#E4F5DA;margin:0;padding:22px 26px;overflow-x:auto;font-size:1rem;line-height:1.8;}
pre.code code{font-family:'JetBrains Mono',Consolas,monospace;}
.tok-c{color:#7FCF9E;font-style:italic;}.tok-k{color:#FFB238;font-weight:700;}.tok-s{color:#8FD7FF;}.tok-f{color:#FFD08A;}.tok-n{color:#FF9AAE;}

.note{background:var(--primary-light);border-left:6px solid var(--primary);border-radius:0 14px 14px 0;padding:16px 22px;margin:18px 0;font-size:1.05rem;}
.note.warn{background:var(--accent-light);border-left-color:var(--accent);}
.hint-toggle{background:var(--accent-light);border:1px dashed var(--accent);border-radius:var(--radius-sm);padding:16px 20px;margin:16px 0;}
.hint-toggle summary{cursor:pointer;font-weight:800;color:var(--accent-ink);}
.hint-toggle p{margin:12px 0 0;}

.alice-btn,.alice-q-btn,.quiz-btn,.match-btn,.action-btn,.ai-q-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;text-decoration:none;border:none;padding:13px 22px;border-radius:99px;
  font-size:1rem;font-weight:800;cursor:pointer;font-family:'Nunito';
  box-shadow:0 10px 28px rgba(97,176,31,.25);transition:.15s;
}
.quiz-btn{font-family:'Fredoka';font-size:1.2rem;padding:16px 40px;margin-top:14px;}
.alice-btn:hover,.alice-q-btn:hover,.quiz-btn:hover,.match-btn:hover,.action-btn:hover,.ai-q-btn:hover{transform:translateY(-2px);filter:brightness(.98);}
.alice-sub{font-size:.85rem;opacity:.9;}

.ai-helper{background:var(--dark2);color:#F0FBE8;border-radius:var(--radius);padding:30px 34px;margin:28px 0;position:relative;overflow:hidden;}
.ai-helper::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 100% 0%, rgba(110,0,145,.20), transparent 60%);pointer-events:none;}
.ai-head{display:flex;align-items:center;gap:16px;margin-bottom:10px;position:relative;}
.ai-head img,.ai-head svg{height:50px;width:auto;border-radius:0;filter:drop-shadow(0 0 8px rgba(110,0,145,.5));}
.ai-head .t{font-family:'Fredoka';font-weight:600;font-size:1.6rem;}
.ai-head .t span{color:var(--accent);}
.ai-sub{color:#B3D9A0;font-size:1.1rem;margin-bottom:18px;position:relative;}
.ai-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;position:relative;}
.ai-q-btn{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);box-shadow:none;}
.ai-q-btn.active{background:var(--accent);border-color:var(--accent);}
.ai-answer{background:rgba(255,255,255,.06);border-left:4px solid var(--accent);border-radius:0 14px 14px 0;padding:18px 22px;font-size:1.1rem;min-height:30px;position:relative;color:#F0FBE8;}
.ai-answer.active{background:rgba(255,255,255,.10);}
.ai-real-tip{margin-top:20px;padding-top:20px;border-top:1px dashed rgba(255,255,255,.22);font-size:1rem;color:#BFE8D6;position:relative;}
.prompt-example{display:block;background:rgba(0,0,0,.30);border-radius:12px;padding:14px 18px;margin-top:10px;font-family:'JetBrains Mono',monospace;font-size:.95rem;color:#FFE1A8;}

.task-box{background:linear-gradient(135deg,#fff,#F6FBF3);border:2px solid var(--primary-light);}
.task-box h2{color:var(--primary-dark);}
.progress-track{background:var(--primary-light);border-radius:99px;height:18px;overflow:hidden;margin:16px 0 8px;}
.progress-fill{background:linear-gradient(90deg,var(--primary),var(--accent));height:100%;width:0%;transition:width .3s;border-radius:99px;}
.progress-label{font-size:1.1rem;font-weight:700;color:var(--primary-dark);margin-bottom:18px;display:block;}
.task-steps{list-style:none;margin:0;padding:0;}
.task-steps li{display:grid;grid-template-columns:auto 1fr;gap:12px 16px;align-items:start;padding:14px 16px;border-radius:14px;margin-bottom:8px;}
.task-steps li:hover{background:#F0F9F4;}
.task-steps input[type=checkbox]{width:26px;height:26px;flex-shrink:0;margin-top:2px;accent-color:var(--primary);cursor:pointer;}
.task-steps label{cursor:pointer;font-size:1.1rem;}
.task-steps li > div{grid-column:2;}
.bonus-step{background:var(--accent-light) !important;border:1px dashed var(--accent);}

.quiz-wrap{background:#FCFEFB;border:2px solid var(--line);}
.quiz-question{padding:20px 0;border-bottom:1px solid var(--line);}
.quiz-question:last-of-type{border-bottom:none;}
.quiz-q-text{font-weight:800;margin-bottom:14px;font-size:1.15rem;}
.quiz-question label{display:block;background:#F6FBF3;border:2px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px;font-weight:600;cursor:pointer;transition:.12s;font-size:1.05rem;}
.quiz-question label:hover{border-color:var(--primary);}
.quiz-question input[type=radio]{margin-right:14px;accent-color:var(--primary);transform:scale(1.2);}
.quiz-question.correct label.picked{background:var(--primary-light);border-color:var(--primary);}
.quiz-question.incorrect label.picked{background:var(--danger-light);border-color:var(--danger);}
.q-feedback{font-size:1rem;font-weight:700;margin-top:6px;min-height:22px;}
.q-feedback.correct{color:var(--primary-dark);}.q-feedback.incorrect{color:var(--danger);}.q-feedback.neutral{color:var(--muted);}
.quiz-result,.match-result,.activity-result{margin-top:18px;font-weight:800;font-size:1.1rem;padding:16px 22px;border-radius:14px;}
.quiz-result.done,.match-result.done,.activity-result.done{background:var(--primary-light);color:var(--primary-dark);}
.quiz-result.neutral,.match-result.fail,.activity-result.neutral{background:var(--accent-light);color:var(--accent-ink);}

.match-block{background:linear-gradient(135deg,#fff,#FCFEFB);border:2px solid var(--line);box-shadow:none;}
.match-row{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;margin:12px 0;}
.match-key{font-family:'Fredoka';font-weight:800;background:var(--dark2);color:#fff;border-radius:14px;padding:12px 16px;text-align:center;}
.match-select{width:100%;padding:13px 16px;border-radius:14px;border:2px solid var(--line);font-size:1rem;font-family:'Nunito';background:#fff;color:var(--ink);}
.match-select.correct{border-color:var(--primary);background:var(--primary-light);}
.match-select.incorrect{border-color:var(--danger);background:var(--danger-light);}
.match-select.neutral{border-color:var(--accent);background:var(--accent-light);}

.interactive-grid,.tool-grid,.term-grid,.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:18px 0;}
.term-card,.choice-card,.tool-card,.sort-item{background:#F6FBF3;border:2px solid var(--line);border-radius:18px;padding:16px 18px;font-weight:700;}
.choice-card,.tool-card,.sort-item{cursor:pointer;transition:.15s;}
.choice-card:hover,.tool-card:hover,.sort-item:hover{border-color:var(--primary);transform:translateY(-2px);}
.choice-card.selected,.tool-card.selected,.sort-item.selected{border-color:var(--accent);background:var(--accent-light);}
.choice-card.correct,.tool-card.correct,.sort-item.correct{border-color:var(--primary);background:var(--primary-light);}
.choice-card.incorrect,.tool-card.incorrect{border-color:var(--danger);background:var(--danger-light);}
.sequence-list{display:flex;flex-direction:column;gap:10px;margin:18px 0;}
.sequence-list .sort-item{display:flex;align-items:center;gap:12px;}
.sequence-list .sort-item::before{content:'↕';color:var(--accent);font-weight:900;}
.reflection-box textarea{width:100%;min-height:120px;border:2px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;font:inherit;color:var(--ink);resize:vertical;}
.reflection-box textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light);}

.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:34px 0;}
.nav-btn{display:block;text-decoration:none;background:#fff;border:2px solid var(--line);border-radius:var(--radius-sm);padding:18px 22px;color:var(--ink);transition:.15s;}
.nav-btn:hover{border-color:var(--primary);transform:translateY(-2px);}
.nav-btn.next{text-align:right;}
.nav-btn .lbl{font-size:.9rem;color:var(--muted);font-weight:800;}
.nav-btn .ttl{font-weight:900;color:var(--dark2);}

.module-card h2{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:1.8rem;}
.mod-count{font-size:.9rem;background:var(--primary-light);color:var(--primary-dark);padding:4px 14px;border-radius:99px;font-family:'Nunito';font-weight:800;}
.lrows{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.lrow{display:flex;align-items:center;gap:16px;padding:14px 20px;border-radius:14px;text-decoration:none;color:var(--ink);background:#F6FBF3;border:1px solid var(--line);transition:.15s;}
a.lrow:hover{border-color:var(--primary);transform:translateX(4px);background:#EEF8E8;}
.lrow.disabled{opacity:.7;cursor:default;}
.lrow .code{font-family:'Fredoka';font-weight:700;color:var(--primary-dark);min-width:64px;flex-shrink:0;font-size:1.1rem;}
.lrow .ttl{flex:1;font-weight:700;font-size:1.1rem;}
.lrow .st{font-size:.85rem;font-weight:800;padding:4px 14px;border-radius:99px;flex-shrink:0;white-space:nowrap;}
.lrow .st.done{background:var(--primary-light);color:var(--primary-dark);}
.lrow .st.soon{background:var(--accent-light);color:var(--accent-ink);}

footer.site-footer{background:#E8F5E9;color:var(--dark2);margin-top:30px;padding:32px 0;font-size:1rem;border-top:3px solid var(--primary);}
.theme-studio footer.site-footer{background:var(--dark);color:#EAFBF3;border-top:none;}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
footer a{color:var(--primary-dark);}
footer .foot-brand{display:flex;align-items:center;gap:14px;font-family:'Fredoka';color:var(--dark2);font-weight:600;font-size:1.2rem;}
.theme-studio footer .foot-brand{color:#EAFBF3;}
footer .foot-brand img,footer .foot-brand svg{height:36px;width:auto;border-radius:0;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));}
.bit-antenna-tip{animation:blink-glow 2.6s ease-in-out infinite;}
@keyframes blink-glow{0%,100%{opacity:1;}50%{opacity:.45;}}
@media (prefers-reduced-motion:reduce){.bit-antenna-tip{animation:none;}html{scroll-behavior:auto;}}

@media(max-width:700px){
  body{font-size:18px;}
  .wrap{padding:0 18px;}
  .card,.objectives,.task-box,.quiz-wrap,.ai-helper,.match-block,.reflection-box,.interactive-box,.challenge-box{padding:24px 20px;}
  .top-bar{flex-direction:column;align-items:stretch;}
  .hero{gap:18px;}
  .brand img,.brand svg{height:42px;}
  .brand-name{font-size:20px;}
  .crumbs{font-size:14px;}
  .hex-badge{width:70px;height:70px;font-size:16px;}
  h1{font-size:2.2rem;}
  h2{font-size:1.8rem;}
  .match-row{grid-template-columns:1fr;}
  .lesson-nav{grid-template-columns:1fr;}
  .nav-btn.next{text-align:left;}
  .lrow{flex-wrap:wrap;}
  .lrow .ttl{order:3;width:100%;}
  .media-placeholder{flex-direction:column;}
}