/* ===== ธีม RTA e-Learning (dark, game-like) — P0 ===== */
/* ฟอนต์หลักบนจอ: Noto Sans Thai (ตัวโต ชัด อ่านง่ายกว่าฟอนต์งานพิมพ์) */
@font-face{ font-family:'Noto Sans Thai'; src:url('/assets/fonts/NotoSansThai-Regular.ttf') format('truetype'); font-weight:400; font-display:swap; }
@font-face{ font-family:'Noto Sans Thai'; src:url('/assets/fonts/NotoSansThai-Bold.ttf') format('truetype'); font-weight:700; font-display:swap; }
@font-face{ font-family:'TH Sarabun New'; src:url('/assets/fonts/THSarabunNew.ttf') format('truetype'); font-weight:normal; font-display:swap; }
@font-face{ font-family:'TH Sarabun New'; src:url('/assets/fonts/THSarabunNew-Bold.ttf') format('truetype'); font-weight:bold; font-display:swap; }

:root{
  --navy:#0A1222; --navy2:#13203a; --navy3:#1a2c4d;
  --gold:#C9A24B; --gold-soft:#e8d6a6; --cyan:#38E0C8;
  --ink:#eaf0fb; --muted:#9fb0cc; --line:rgba(255,255,255,.10);
  --good:#3ddc97; --lock:#6b7688;
}
*{ margin:0; padding:0; box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  font-family:'Noto Sans Thai','Sarabun',sans-serif;
  color:var(--ink); font-size:19px; line-height:1.6; min-height:100vh;
  background:
    radial-gradient(circle at 1px 1px, rgba(56,224,200,.07) 1px, transparent 1.4px) 0 0/26px 26px,
    linear-gradient(160deg,var(--navy) 0%,var(--navy2) 70%,var(--navy3) 100%);
  background-attachment:fixed;
}
a{ color:var(--cyan); text-decoration:none; }
.wrap{ max-width:920px; margin:0 auto; padding:18px 16px 60px; }

/* ---- topbar ---- */
.topbar{ display:flex; align-items:center; gap:12px; padding:12px 16px;
  border-bottom:1px solid var(--line); background:rgba(10,18,34,.6); backdrop-filter:blur(6px);
  position:sticky; top:0; z-index:10; }
.topbar img{ height:38px; }
.topbar .brand{ font-size:13px; letter-spacing:2px; color:var(--cyan); text-transform:uppercase; font-weight:700; }
.topbar .brand b{ color:var(--gold-soft); }
.topbar .spacer{ flex:1; }
.topbar .link{ font-size:15px; color:var(--muted); }

/* ---- buttons ---- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:inherit; font-size:19px; font-weight:700; cursor:pointer;
  padding:12px 22px; border-radius:12px; border:1px solid var(--line);
  background:rgba(255,255,255,.05); color:var(--ink); transition:.15s; width:100%; }
.btn:hover{ border-color:var(--cyan); }
.btn-gold{ background:linear-gradient(120deg,var(--gold),#e0be6e); color:var(--navy); border:none; }
.btn-gold:hover{ filter:brightness(1.06); }
.btn-ghost{ background:transparent; }

/* ---- auth / registration ---- */
.auth{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px 16px; }
.auth-card{ width:100%; max-width:440px; background:rgba(19,32,58,.72);
  border:1px solid var(--line); border-top:3px solid var(--gold);
  border-radius:18px; padding:28px 24px; box-shadow:0 20px 60px rgba(0,0,0,.4); }
.auth-card .crest{ height:64px; display:block; margin:0 auto 12px; filter:drop-shadow(0 0 12px rgba(56,224,200,.25)); }
.auth-card .kick{ text-align:center; color:var(--cyan); font-size:12px; letter-spacing:3px; text-transform:uppercase; font-weight:700; }
.auth-card h1{ text-align:center; color:var(--gold-soft); font-size:27px; line-height:1.25; margin:6px 0 2px; }
.auth-card .tags{ text-align:center; color:var(--muted); font-size:15px; margin-bottom:18px; }
.auth-card .hint{ text-align:center; color:var(--muted); font-size:15px; margin-top:14px; }

.field{ margin-bottom:14px; }
.field label{ display:block; font-size:15px; color:var(--gold-soft); font-weight:700; margin-bottom:5px; }
.field label .req{ color:#e88; }
.field input, .field select{
  width:100%; font-family:inherit; font-size:19px; color:var(--ink);
  background:rgba(10,18,34,.7); border:1px solid var(--line); border-radius:10px; padding:11px 13px; }
.field input:focus, .field select:focus{ outline:none; border-color:var(--cyan); }
.field select option{ background:var(--navy2); color:var(--ink); }
.err{ color:#f2a; font-size:14px; margin:2px 0 8px; min-height:16px; }
.row2{ display:flex; gap:12px; }
.row2 .field{ flex:1; }

/* welcome-back panel */
.wb{ text-align:center; }
.wb .who{ font-size:23px; color:var(--gold-soft); font-weight:700; margin:6px 0 2px; }
.wb .sub{ color:var(--muted); font-size:16px; margin-bottom:18px; }
.wb .btn{ margin-bottom:10px; }

/* ---- dashboard header ---- */
.dash-hero{ display:flex; align-items:center; gap:16px; flex-wrap:wrap;
  background:rgba(19,32,58,.6); border:1px solid var(--line); border-radius:16px; padding:16px 18px; margin-bottom:18px; }
.dash-hero .greet .hi{ color:var(--muted); font-size:15px; }
.dash-hero .greet .name{ color:var(--gold-soft); font-size:24px; font-weight:700; }
.dash-hero .xp{ flex:1; min-width:220px; }
.dash-hero .xp .lvl{ display:flex; justify-content:space-between; font-size:14px; color:var(--muted); margin-bottom:5px; }
.dash-hero .xp .lvl b{ color:var(--cyan); }
.bar{ height:12px; background:rgba(255,255,255,.08); border-radius:8px; overflow:hidden; }
.bar > i{ display:block; height:100%; background:linear-gradient(90deg,var(--gold),var(--cyan)); border-radius:8px; transition:width .8s ease; }

.overall{ margin:0 2px 18px; }
.overall .lab{ display:flex; justify-content:space-between; font-size:15px; color:var(--muted); margin-bottom:6px; }
.overall .lab b{ color:var(--gold-soft); }

.sec-title{ color:var(--gold-soft); font-size:20px; font-weight:700; margin:6px 2px 12px;
  padding-left:14px; position:relative; }
.sec-title::before{ content:''; position:absolute; left:0; top:5px; width:8px; height:20px;
  border-radius:3px; background:linear-gradient(var(--gold),var(--cyan)); }

/* ---- mission map (vertical path) ---- */
.map{ position:relative; margin-left:6px; }
.map::before{ content:''; position:absolute; left:23px; top:10px; bottom:10px; width:3px;
  background:linear-gradient(var(--gold),var(--cyan)); opacity:.35; }
.node{ position:relative; display:flex; gap:16px; align-items:stretch; margin-bottom:14px; padding-left:0; }
.node .dot{ flex:none; width:50px; height:50px; border-radius:50%; z-index:1;
  display:flex; align-items:center; justify-content:center; font-size:22px; font-weight:800;
  background:var(--navy2); border:3px solid var(--lock); color:var(--muted); }
.node.current .dot{ border-color:var(--cyan); color:var(--cyan); box-shadow:0 0 0 4px rgba(56,224,200,.15); }
.node.cleared .dot{ border-color:var(--good); color:var(--good); background:rgba(61,220,151,.12); }
.node .card{ flex:1; background:rgba(19,32,58,.6); border:1px solid var(--line); border-radius:14px;
  padding:12px 16px; display:flex; align-items:center; gap:12px; transition:.15s; }
.node.current .card{ border-color:rgba(56,224,200,.4); }
.node.locked .card{ opacity:.55; }
.node a.card:hover{ border-color:var(--cyan); transform:translateY(-1px); }
.node .card .txt{ flex:1; }
.node .card .no{ font-size:13px; color:var(--gold); font-weight:700; letter-spacing:1px; }
.node .card .en{ font-size:11px; color:var(--muted); letter-spacing:1.5px; text-transform:uppercase; }
.node .card h3{ font-size:19px; color:var(--ink); font-weight:700; line-height:1.25; }
.node .card .state{ font-size:13px; font-weight:700; padding:4px 12px; border-radius:20px; white-space:nowrap; }
.state.s-current{ background:rgba(56,224,200,.15); color:var(--cyan); }
.state.s-locked{ background:rgba(107,118,136,.15); color:var(--lock); }
.state.s-cleared{ background:rgba(61,220,151,.15); color:var(--good); }
.stars{ font-size:13px; color:var(--gold); letter-spacing:2px; }
.stars .off{ color:rgba(255,255,255,.15); }

.footnote{ text-align:center; color:var(--muted); font-size:14px; margin-top:26px; padding-top:16px; border-top:1px solid var(--line); }

@media (max-width:480px){
  body{ font-size:18px; }
  .node .card{ flex-wrap:wrap; }
  .node .card .state{ order:3; }
}

/* =========================================================
   หน้าเรียน (Lesson) — ธีมมืด · แปลงจากเนื้อหาตำรา
   ========================================================= */
.lesson-head{ border-bottom:1px solid var(--line); background:rgba(10,18,34,.5);
  padding:18px 0 16px; }
.lesson-head .cn{ font-size:13px; letter-spacing:1px; color:var(--gold); font-weight:700; }
.lesson-head .cn .en{ color:var(--muted); font-size:11px; letter-spacing:2px; text-transform:uppercase; margin-left:6px; }
.lesson-head h1{ color:var(--gold-soft); font-size:28px; line-height:1.25; margin-top:4px; }
.readbar{ height:5px; background:rgba(255,255,255,.07); border-radius:4px; margin-top:12px; overflow:hidden; }
.readbar > i{ display:block; height:100%; width:0; background:linear-gradient(90deg,var(--gold),var(--cyan)); }

.lesson-layout{ display:grid; grid-template-columns:1fr; gap:20px; align-items:start; }
@media (min-width:880px){ .lesson-layout{ grid-template-columns:240px 1fr; gap:28px; } }

/* สารบัญข้าง */
.lnav{ background:rgba(19,32,58,.5); border:1px solid var(--line); border-radius:14px; padding:12px; }
@media (min-width:880px){ .lnav{ position:sticky; top:74px; max-height:calc(100vh - 90px); overflow:auto; } }
.lnav-title{ font-size:13px; letter-spacing:1px; color:var(--cyan); text-transform:uppercase; font-weight:700; margin:2px 4px 8px; }
.nav-sec{ display:flex; align-items:center; gap:9px; padding:6px 8px; border-radius:8px;
  font-size:15.5px; color:var(--muted); line-height:1.3; }
.nav-sec .dot{ flex:none; width:7px; height:7px; border-radius:50%; background:rgba(255,255,255,.2); }
.nav-sec:hover{ color:var(--ink); background:rgba(255,255,255,.04); }
.nav-sec.active{ color:var(--gold-soft); background:rgba(197,161,78,.12); }
.nav-sec.active .dot{ background:var(--gold); }

/* เนื้อหา */
.lcontent{ min-width:0; }
.lsec{ margin-bottom:6px; }
/* reveal เป็น enhancement เท่านั้น: จะซ่อนก็ต่อเมื่อ JS พร้อม (กัน content หายถ้า JS ล้ม) */
body.reveal-ready .lsec{ opacity:0; transform:translateY(10px); transition:opacity .5s ease, transform .5s ease; }
body.reveal-ready .lsec.in{ opacity:1; transform:none; }
.lcontent h2.sec{ color:var(--gold-soft); font-size:22px; margin:18px 0 8px; padding-left:16px; position:relative; }
.lcontent h2.sec::before{ content:''; position:absolute; left:0; top:8px; width:9px; height:9px; border-radius:2px;
  background:linear-gradient(145deg,var(--gold),var(--cyan)); }
.lcontent h3.sub{ color:#cdd8ec; font-size:18.5px; margin:12px 0 4px; font-weight:700; }
.lcontent p{ margin:0 0 10px; color:var(--ink); }
.lcontent strong,.lcontent b{ color:#fff; }
.lcontent em{ color:var(--gold-soft); font-style:italic; }

.lcontent ul.bul,.lcontent ol.num{ margin:4px 0 12px; padding-left:2px; list-style:none; }
.lcontent ul.bul li{ position:relative; padding-left:24px; margin-bottom:6px; }
.lcontent ul.bul li::before{ content:'▪'; position:absolute; left:4px; color:var(--gold); }
.lcontent ol.num{ counter-reset:n; }
.lcontent ol.num li{ position:relative; padding-left:30px; margin-bottom:7px; counter-increment:n; }
.lcontent ol.num li::before{ content:counter(n); position:absolute; left:0; top:1px; width:20px; height:20px;
  background:rgba(197,161,78,.18); color:var(--gold-soft); border-radius:50%; font-size:13px; font-weight:700;
  display:flex; align-items:center; justify-content:center; }

/* กล่อง */
.lcontent .box{ border-radius:12px; padding:13px 16px; margin:12px 0; border:1px solid var(--line); }
.lcontent .box .bt{ display:block; font-weight:700; font-size:16px; margin-bottom:4px; }
.lcontent .box.objb{ background:rgba(255,255,255,.04); border-left:4px solid var(--gold); }
.lcontent .box.objb .bt{ color:var(--gold-soft); }
.lcontent .box.objb ol{ margin:2px 0 0 20px; } .lcontent .box.objb li{ margin:3px 0; }
.lcontent .box.concept{ background:rgba(56,224,200,.08); border-left:4px solid var(--cyan); }
.lcontent .box.concept .bt{ color:var(--cyan); }
.lcontent .box.case{ background:rgba(197,161,78,.10); border-left:4px solid var(--gold); }
.lcontent .box.case .bt{ color:var(--gold-soft); }
.lcontent .box.warn{ background:rgba(181,70,47,.14); border-left:4px solid #e2765d; }
.lcontent .box.warn .bt{ color:#f0a08c; }
.lcontent .box.ex{ background:rgba(31,143,255,.10); border-left:4px solid #5b8fd6; }
.lcontent .box.ex .bt{ color:#9cc0ee; }
.lcontent .box.ex li{ margin:3px 0; }

/* triad */
.lcontent .triad{ display:flex; gap:12px; flex-wrap:wrap; margin:12px 0; }
.lcontent .triad .c{ flex:1 1 30%; min-width:150px; background:rgba(19,32,58,.6); border:1px solid var(--line);
  border-top:3px solid var(--gold); border-radius:12px; padding:11px 14px; }
.lcontent .triad .c .h{ color:var(--gold-soft); font-weight:700; font-size:17px; margin-bottom:3px; }
.lcontent .triad .c .d{ color:var(--muted); font-size:15.5px; }

/* ตาราง */
.lcontent table.tbl{ width:100%; border-collapse:collapse; margin:12px 0; font-size:16px; }
.lcontent table.tbl caption{ caption-side:top; text-align:left; color:var(--muted); font-size:14px; margin-bottom:5px; }
.lcontent table.tbl th{ background:rgba(56,224,200,.12); color:var(--gold-soft); padding:8px 10px; text-align:left; border:1px solid var(--line); }
.lcontent table.tbl td{ border:1px solid var(--line); padding:8px 10px; vertical-align:top; color:var(--ink); }
.lcontent table.tbl tr:nth-child(even) td{ background:rgba(255,255,255,.03); }

/* สรุป & คำถาม */
.lcontent .summary{ background:rgba(197,161,78,.10); border:1px solid var(--line); border-left:4px solid var(--gold);
  border-radius:12px; padding:14px 16px; margin:16px 0; }
.lcontent .summary .bt{ display:block; color:var(--gold-soft); font-weight:700; margin-bottom:6px; }
.lcontent .summary ul{ list-style:none; } .lcontent .summary li{ position:relative; padding-left:24px; margin-bottom:5px; }
.lcontent .summary li::before{ content:'✓'; position:absolute; left:2px; color:var(--good); font-weight:700; }
.lcontent .qz{ border:1px dashed var(--gold); border-radius:12px; padding:14px 16px; margin:14px 0; }
.lcontent .qz .bt{ display:block; color:var(--gold-soft); font-weight:700; margin-bottom:6px; }
.lcontent .qz ol{ margin-left:22px; } .lcontent .qz li{ margin:6px 0; }

/* กล่องเรียนจบ + prev/next */
.complete-box{ text-align:center; background:rgba(19,32,58,.6); border:1px solid var(--line);
  border-radius:14px; padding:18px; margin:22px 0 14px; }
.complete-box .cb-text{ color:var(--muted); font-size:16px; margin-bottom:12px; }
.complete-box .btn{ max-width:340px; margin:0 auto; }
.complete-box .cb-done{ color:var(--good); font-weight:700; font-size:18px; }
.prevnext{ display:flex; justify-content:space-between; gap:12px; margin:8px 0 10px; }
.pn{ flex:1; text-align:center; padding:12px 14px; border-radius:12px; border:1px solid var(--line);
  background:rgba(255,255,255,.04); color:var(--ink); font-weight:700; font-size:16px; }
.pn:hover{ border-color:var(--cyan); }
.pn.next{ background:rgba(197,161,78,.14); color:var(--gold-soft); }

/* toast */
.toast{ position:fixed; left:50%; bottom:26px; transform:translateX(-50%) translateY(20px);
  background:var(--navy3); border:1px solid var(--cyan); color:var(--ink); padding:12px 20px;
  border-radius:30px; font-weight:700; font-size:16px; opacity:0; transition:.3s; z-index:50; box-shadow:0 10px 30px rgba(0,0,0,.4); }
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

/* ===== ควิซ (Boss Quiz) ===== */
.quiz-wrap{ margin:22px 0 14px; }
.quiz-card{ background:rgba(19,32,58,.6); border:1px solid var(--line); border-radius:16px; padding:18px; }
.q-eyebrow{ color:var(--cyan); font-size:12px; letter-spacing:2px; text-transform:uppercase; font-weight:700; }
.q-head h2{ color:var(--gold-soft); font-size:22px; margin-top:2px; }
.q-desc{ color:var(--muted); font-size:16px; margin:8px 0 12px; }
.q-best{ background:rgba(61,220,151,.1); border:1px solid rgba(61,220,151,.3); color:var(--good);
  border-radius:10px; padding:8px 12px; font-weight:700; margin-bottom:14px; }
.q-best .stars{ color:var(--gold); }
.q-item{ padding:15px 0; border-top:1px solid var(--line); }
.q-text{ font-size:18px; margin-bottom:10px; }
.q-choices{ display:flex; flex-direction:column; gap:8px; }
.q-choice{ text-align:left; font-family:inherit; font-size:16.5px; color:var(--ink); cursor:pointer; line-height:1.4;
  background:rgba(255,255,255,.04); border:1px solid var(--line); border-radius:10px; padding:11px 14px; transition:.12s; }
.q-choice:hover:not(:disabled){ border-color:var(--cyan); }
.q-choice.sel{ border-color:var(--cyan); background:rgba(56,224,200,.12); }
.q-choice.correct{ border-color:var(--good); background:rgba(61,220,151,.16); color:#d9ffe9; }
.q-choice.wrong{ border-color:#e2765d; background:rgba(181,70,47,.16); }
.q-choice:disabled{ cursor:default; }
.q-explain{ margin-top:9px; font-size:15.5px; color:var(--muted); line-height:1.45; }
.q-explain .ok{ color:var(--good); } .q-explain .no{ color:#f0a08c; }
#qStart, #qSubmit{ max-width:340px; margin:16px auto 0; }
.quiz-result{ margin-top:20px; text-align:center; border-top:1px dashed var(--gold); padding-top:18px; }
.qr-score{ font-size:28px; font-weight:800; color:var(--gold-soft); }
.qr-stars{ font-size:26px; letter-spacing:5px; color:var(--gold); margin:4px 0; }
.qr-stars .off{ color:rgba(255,255,255,.15); }
.qr-msg{ font-size:19px; margin:6px 0; font-weight:700; }
.quiz-result.pass .qr-msg{ color:var(--good); }
.quiz-result.fail .qr-msg{ color:#f0a08c; }
.qr-xp{ color:var(--cyan); font-weight:800; font-size:19px; }
.qr-hint{ color:var(--muted); font-size:15px; line-height:1.5; margin:6px auto 2px; max-width:460px; }
.qr-hint b{ color:var(--gold-soft); }
.qr-actions{ display:flex; gap:10px; justify-content:center; margin-top:16px; flex-wrap:wrap; }
.qr-actions .btn{ width:auto; }

/* ===== วิดเจ็ตโต้ตอบ (P3) ===== */
.nav-widget{ color:var(--cyan); font-weight:700; }
.widget-sec{ margin:10px 0; }
.wdg{ background:rgba(10,18,34,.55); border:1px solid rgba(56,224,200,.28); border-left:4px solid var(--cyan);
  border-radius:14px; padding:16px; }
.wdg-head{ color:var(--cyan); font-weight:700; font-size:17.5px; margin-bottom:4px; }
.wdg-desc{ color:var(--muted); font-size:15.5px; margin-bottom:12px; }
.wdg-desc strong{ color:#fff; }
.wdg-actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:12px; }
.wdg-actions .btn{ width:auto; padding:10px 16px; font-size:16px; }
.wdg-stats{ margin-top:12px; font-size:16px; color:var(--muted); }
.wdg-stats b{ color:var(--gold-soft); font-size:19px; }
.wdg-legend{ display:flex; gap:14px; flex-wrap:wrap; margin-top:10px; font-size:13.5px; color:var(--muted); }
.wdg-legend .lg::before{ content:'●'; margin-right:5px; }
.lg.src::before{ color:#ff4d4d; } .lg.inf::before{ color:#e2765d; }
.lg.stp::before{ color:var(--good); } .lg.cln::before{ color:#6b7688; }

/* disinfo canvas */
.dz-canvas{ width:100%; height:250px; display:block; background:rgba(0,0,0,.18); border-radius:10px; }

/* jam/spoof map */
.js-map{ position:relative; width:100%; height:240px; border-radius:10px; overflow:hidden;
  background:
    linear-gradient(rgba(56,224,200,.06) 1px,transparent 1px) 0 0/28px 28px,
    linear-gradient(90deg,rgba(56,224,200,.06) 1px,transparent 1px) 0 0/28px 28px,
    rgba(10,20,34,.6); border:1px solid var(--line); }
.js-svg{ position:absolute; inset:0; width:100%; height:100%; pointer-events:none; }
.js-line{ stroke:#e2765d; stroke-width:.6; stroke-dasharray:2 2; opacity:0; transition:opacity .4s; }
.js-line.show{ opacity:1; }
.js-true,.js-gps{ position:absolute; transform:translate(-50%,-50%); }
.js-true{ color:var(--cyan); font-weight:700; text-align:center; font-size:20px; }
.js-true span{ display:block; font-size:12px; color:var(--muted); }
.js-gps{ font-size:26px; transition:left .8s ease, top .8s ease, opacity .5s; filter:drop-shadow(0 2px 4px rgba(0,0,0,.5)); }
.js-gps.spoof{ animation:gpsdrift .8s; }
.js-nosig{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:#f0a08c; font-weight:700; font-size:20px; }
.js-caption{ margin-top:12px; font-size:16px; padding:10px 12px; border-radius:8px; background:rgba(255,255,255,.04); }
.js-caption.ok{ border-left:3px solid var(--good); }
.js-caption.warn{ border-left:3px solid #e2765d; color:#f5cabb; }
.js-b.on{ border-color:var(--cyan); background:rgba(56,224,200,.15); color:#fff; }

/* capstone drag game */
.cap-tray{ display:flex; flex-wrap:wrap; gap:8px; min-height:44px; padding:8px; border-radius:10px;
  background:rgba(255,255,255,.03); border:1px dashed var(--line); }
.cap-card{ background:var(--navy3); border:1px solid var(--line); border-radius:10px; padding:9px 12px;
  font-size:15px; cursor:grab; touch-action:none; user-select:none; line-height:1.3; }
.cap-card:hover{ border-color:var(--cyan); }
.cap-card.ghost{ opacity:.3; }
.cap-card.done{ cursor:default; border-color:var(--good); background:rgba(61,220,151,.14); }
.cap-card.wrong{ border-color:#e2765d; background:rgba(226,118,93,.2); animation:shake .3s; }
.drag-clone{ position:fixed; z-index:999; pointer-events:none; box-shadow:0 10px 24px rgba(0,0,0,.5);
  background:var(--navy3); border:1px solid var(--cyan); border-radius:10px; padding:9px 12px; font-size:15px; }
.cap-zones{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin-top:12px; }
@media(min-width:620px){ .cap-zones{ grid-template-columns:repeat(4,1fr); } }
.cap-zone{ background:rgba(19,32,58,.55); border:1px solid var(--line); border-radius:12px; padding:8px; min-height:96px; transition:.15s; }
.cap-zone.over{ border-color:var(--cyan); background:rgba(56,224,200,.12); }
.cz-h{ text-align:center; font-weight:700; font-size:14px; color:var(--gold-soft); padding:4px 0 6px; border-bottom:1px solid var(--line); margin-bottom:6px; }
.cz-body{ display:flex; flex-direction:column; gap:6px; }
.cz-body .cap-card{ font-size:13.5px; padding:7px 9px; }
.cap-win{ color:var(--good); font-weight:700; }
@keyframes shake{ 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }
@keyframes gpsdrift{ 0%{filter:drop-shadow(0 0 6px #e2765d)} 100%{filter:none} }

.js-nosig[hidden]{ display:none; }

/* =========================================================
   อ่านง่ายขึ้น (ขยายตัวอักษร) + โหมดทีละหัวข้อ (สเต็ป)
   ========================================================= */
/* ขนาดตัวอักษรปรับให้พอดีกับฟอนต์ Noto Sans Thai (ตัวโตกว่า Sarabun) */
body{ font-size:17px; }
.lcontent{ font-size:17.5px; line-height:1.68; }
.lcontent p{ margin-bottom:12px; }
.lcontent h2.sec{ font-size:21px; margin:6px 0 10px; }
.lcontent h3.sub{ font-size:18px; margin:12px 0 5px; }
.lcontent ul.bul li, .lcontent ol.num li{ margin-bottom:7px; }
.lcontent ol.num li::before{ width:21px; height:21px; font-size:13px; }
.lcontent .box{ font-size:17px; padding:14px 16px; }
.lcontent .box .bt{ font-size:15.5px; }
.lcontent .box.objb li{ margin:5px 0; }
.lcontent .summary li, .lcontent .qz li{ font-size:17px; }
.lcontent .summary li{ margin-bottom:6px; } .lcontent .qz li{ margin:7px 0; }
.lcontent table.tbl{ font-size:16px; }
.lcontent table.tbl th, .lcontent table.tbl td{ padding:8px 10px; }
.lcontent .triad .c .h{ font-size:17px; } .lcontent .triad .c .d{ font-size:15.5px; }
.lesson-head h1{ font-size:25px; }
.lesson-head .cn{ font-size:13px; }
.nav-sec{ font-size:15px; padding:7px 9px; }

/* ควิซ */
.q-text{ font-size:17px; }
.q-choice{ font-size:16px; padding:11px 14px; }
.q-explain{ font-size:15.5px; }
.q-desc{ font-size:15.5px; }

/* โหมดสเต็ป: แสดงทีละหัวข้อ + ปุ่มถัดไป */
.step-anim{ animation:stepIn .34s ease; }
@keyframes stepIn{ from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:none} }
.stepnav{ display:flex; align-items:center; gap:12px; margin:24px 0 8px;
  border-top:1px solid var(--line); padding-top:18px; }
.stepnav .btn{ width:auto; padding:12px 20px; font-size:16px; }
.stepnav .sp{ flex:1; text-align:center; color:var(--gold-soft); font-weight:700; font-size:15px; }
@media (max-width:520px){
  .lcontent{ font-size:17px; }
  .stepnav .btn{ padding:11px 15px; font-size:15px; }
  .stepnav{ gap:8px; }
}

/* สารบัญ: พับได้บนมือถือ · เปิดค้างบนจอใหญ่ */
.lnav-acc > summary{ display:block; cursor:pointer; list-style:none; }
.lnav-acc > summary::-webkit-details-marker{ display:none; }
.lnav-acc > summary::after{ content:'▾  แตะเพื่อดูหัวข้อ'; float:right; color:var(--muted); font-size:13px; font-weight:400; }
.lnav-acc[open] > summary::after{ content:'▴  ซ่อน'; }
@media (min-width:880px){
  .lnav-acc > nav{ display:block !important; }
  .lnav-acc > summary{ pointer-events:none; }
  .lnav-acc > summary::after{ display:none; }
}

/* =========================================================
   P4 — ผลการเรียน · เหรียญตรา · ใบประกาศฯ · โปรไฟล์
   ========================================================= */
.page-h{ color:var(--gold-soft); font-size:28px; margin:6px 0 4px; }
.qr-badges{ margin-top:10px; font-size:16px; color:var(--gold-soft); }
.qr-badge{ display:inline-block; background:rgba(197,161,78,.15); border:1px solid var(--line);
  border-radius:20px; padding:3px 12px; margin:3px; }

/* report card */
.rc-who{ color:var(--muted); font-size:18px; margin-bottom:14px; }
.rc-total{ background:rgba(19,32,58,.6); border:1px solid var(--line); border-radius:16px; padding:18px; text-align:center; margin-bottom:18px; border-top:4px solid var(--gold); }
.rc-total.gold{ border-top-color:#e9c76a; } .rc-total.silver{ border-top-color:#cfd6e2; } .rc-total.bronze{ border-top-color:#d29a6a; }
.rc-big{ font-size:56px; font-weight:800; color:var(--gold-soft); line-height:1; }
.rc-big span{ font-size:26px; }
.rc-grade{ font-size:19px; color:var(--ink); margin-top:6px; }
.rc-grade b{ color:var(--cyan); }
.rc-pass{ color:var(--good); font-weight:700; font-size:19px; margin-top:8px; }
.rc-fail{ color:#f0a08c; font-weight:700; font-size:17px; margin-top:8px; }
.rc-table{ width:100%; border-collapse:collapse; margin:8px 0 16px; font-size:18px; }
.rc-table caption{ text-align:left; color:var(--muted); font-size:15px; margin-bottom:6px; }
.rc-table th{ background:rgba(56,224,200,.12); color:var(--gold-soft); padding:9px 11px; text-align:left; }
.rc-table td{ border-top:1px solid var(--line); padding:9px 11px; }
.rc-table td.c, .rc-table th.c{ text-align:center; }
.rc-table tr.undone td{ color:var(--muted); }
.rc-table tr.rc-sum td{ font-weight:800; color:var(--gold-soft); border-top:2px solid var(--gold); }
.rc-game{ background:rgba(255,255,255,.03); border:1px solid var(--line); border-radius:10px; padding:12px 14px; font-size:17px; color:var(--muted); }
.rc-game b{ color:var(--gold-soft); }
.rc-actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:18px; }
.rc-actions .btn{ width:auto; }
.muted{ color:var(--muted); }

/* profile */
.pf-hero{ background:rgba(19,32,58,.6); border:1px solid var(--line); border-radius:16px; padding:16px 18px; margin-bottom:8px; }
.pf-name{ color:var(--gold-soft); font-size:24px; font-weight:700; }
.pf-stats{ display:flex; gap:16px; flex-wrap:wrap; margin-top:8px; color:var(--muted); font-size:16px; }
.pf-stats b{ color:var(--cyan); }
.badge-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-bottom:8px; }
@media(min-width:620px){ .badge-grid{ grid-template-columns:repeat(3,1fr); } }
@media(min-width:900px){ .badge-grid{ grid-template-columns:repeat(5,1fr); } }
.badge{ background:rgba(19,32,58,.55); border:1px solid var(--line); border-radius:14px; padding:14px 10px; text-align:center; }
.badge.got{ border-color:rgba(197,161,78,.5); background:rgba(197,161,78,.1); }
.badge.locked{ opacity:.5; }
.b-icon{ font-size:34px; } .b-t{ font-weight:700; color:var(--gold-soft); font-size:16px; margin-top:4px; }
.b-d{ color:var(--muted); font-size:13px; }
.pl-list{ display:flex; flex-direction:column; gap:6px; margin-bottom:8px; }
.pl-row{ display:flex; justify-content:space-between; align-items:center; background:rgba(255,255,255,.03);
  border:1px solid var(--line); border-radius:10px; padding:11px 14px; font-size:17px; }
.pl-row .stars{ font-size:17px; }

/* certificate */
.cert-actions{ display:flex; gap:10px; margin:6px 0 16px; }
.cert-actions .btn{ width:auto; }
.cert{ background:linear-gradient(150deg,#0d1830,#16243f 70%,#1d3257); border:2px solid var(--gold);
  border-radius:14px; padding:8px; max-width:800px; margin:0 auto; box-shadow:0 20px 60px rgba(0,0,0,.4); }
.cert.tier-gold{ border-color:#e9c76a; } .cert.tier-silver{ border-color:#cfd6e2; } .cert.tier-bronze{ border-color:#d29a6a; }
.cert-inner{ border:1px solid rgba(255,255,255,.15); border-radius:10px; padding:30px 26px; text-align:center; }
.cert-crest{ height:70px; }
.cert-kick{ color:var(--cyan); letter-spacing:3px; font-size:12px; font-weight:700; margin-top:8px; }
.cert-title{ color:var(--gold-soft); font-size:34px; font-weight:700; margin:4px 0; }
.cert-ribbon{ display:inline-block; background:var(--gold); color:var(--navy); font-weight:800; letter-spacing:1px;
  padding:5px 20px; border-radius:20px; font-size:15px; margin:6px 0 4px; }
.tier-silver .cert-ribbon{ background:#cfd6e2; } .tier-bronze .cert-ribbon{ background:#d29a6a; }
.cert-sub{ color:var(--muted); font-size:16px; margin-top:12px; }
.cert-name{ color:#fff; font-size:32px; font-weight:800; margin:6px 0; }
.cert-unit{ color:var(--muted); font-size:16px; }
.cert-body{ color:#dfe6f3; font-size:18px; line-height:1.7; margin:14px auto; max-width:620px; }
.cert-body b{ color:var(--gold-soft); }
.cert-stats{ display:flex; gap:18px; justify-content:center; flex-wrap:wrap; color:var(--muted); font-size:15px; margin:10px 0; }
.cert-stats b{ color:var(--cyan); }
.cert-foot{ display:flex; justify-content:space-between; align-items:flex-end; margin-top:26px; gap:20px; }
.cert-date{ color:var(--muted); font-size:15px; }
.cert-sign{ color:var(--muted); font-size:14px; text-align:center; }
.cert-sign .role-top{ color:var(--gold-soft); font-weight:700; font-size:15px; margin-bottom:5px; }
.cert-sign .nm{ color:var(--ink); font-weight:700; font-size:17px; margin-bottom:3px; }
.cert-sign .role{ color:var(--muted); font-size:13.5px; }
.cert-sign .duty{ color:var(--muted); font-size:12px; font-style:italic; margin-top:2px; }
@media (max-width:560px){ .cert-foot{ flex-direction:column; align-items:center; gap:14px; } }
.cert-lock{ text-align:center; padding:30px 0; }
.cert-lock p{ color:var(--muted); font-size:18px; margin:10px 0 18px; }

@media print{
  .no-print{ display:none !important; }
  body{ background:#fff !important; }
  .cert{ box-shadow:none; max-width:100%; }
}

/* =========================================================
   การเรียนแบบโต้ตอบ — บัตรคำศัพท์ · ตรวจความเข้าใจ · สถานการณ์
   ========================================================= */
/* flashcards — สลับหน้า/หลังทีละด้าน (ไม่มีทางซ้อนกัน · การ์ดยืดตามข้อความ) */
.fc{ margin:6px 0 4px; }
.fc-card{ position:relative; width:100%; cursor:pointer; }
.fc-face{ position:relative; min-height:150px; border-radius:14px; padding:22px 22px 32px;
  display:flex; align-items:center; justify-content:center; text-align:center; animation:fcIn .25s ease; }
.fc-back{ display:none; }
.fc-card.flip .fc-front{ display:none; }
.fc-card.flip .fc-back{ display:flex; }
@keyframes fcIn{ from{ opacity:0; transform:translateY(5px); } to{ opacity:1; transform:none; } }
.fc-front{ background:linear-gradient(140deg,#16243f,#1d3257); border:1px solid rgba(56,224,200,.35);
  color:var(--gold-soft); font-size:20px; font-weight:700; }
.fc-front::after{ content:'แตะเพื่อพลิก'; position:absolute; bottom:11px; left:0; right:0; font-size:12px; color:var(--muted); font-weight:400; }
.fc-back{ background:rgba(197,161,78,.12); border:1px solid var(--gold); color:var(--ink); font-size:16.5px; line-height:1.6; }
.fc-count{ align-self:center; }
.wdg-actions .fc-prev,.wdg-actions .fc-next{ min-width:60px; }

/* knowledge check */
.wdg-check{ border-left-color:var(--good); border-color:rgba(61,220,151,.3); }
.wdg-check .wdg-head{ color:var(--good); }
.chk-q{ font-size:17px; margin:6px 0 12px; }
.chk-choices{ display:flex; flex-direction:column; gap:8px; }
.chk-choice{ text-align:left; font-family:inherit; font-size:16px; color:var(--ink); cursor:pointer; line-height:1.4;
  background:rgba(255,255,255,.04); border:1px solid var(--line); border-radius:10px; padding:11px 14px; transition:.12s; }
.chk-choice:hover:not(:disabled){ border-color:var(--good); }
.chk-choice.correct{ border-color:var(--good); background:rgba(61,220,151,.16); color:#d9ffe9; }
.chk-choice.wrong{ border-color:#e2765d; background:rgba(226,118,93,.16); }
.chk-choice:disabled{ cursor:default; }
.chk-fb{ margin-top:11px; font-size:16px; line-height:1.5; padding:10px 12px; border-radius:8px; }
.chk-fb.ok{ background:rgba(61,220,151,.1); border-left:3px solid var(--good); color:#d9ffe9; }
.chk-fb.no{ background:rgba(226,118,93,.1); border-left:3px solid #e2765d; color:#f5cabb; }

/* scenario */
.wdg-scn{ border-left-color:var(--gold); border-color:rgba(197,161,78,.35); }
.wdg-scn .wdg-head{ color:var(--gold-soft); }
.scn-title{ color:var(--cyan); font-weight:700; font-size:16px; margin-bottom:4px; }
.scn-situation{ font-size:17px; line-height:1.6; margin-bottom:14px; background:rgba(255,255,255,.03);
  border:1px solid var(--line); border-radius:10px; padding:13px 15px; }
.scn-choices{ display:flex; flex-direction:column; gap:9px; }
.scn-choice{ text-align:left; font-family:inherit; font-size:16px; color:var(--ink); cursor:pointer; line-height:1.4;
  background:rgba(255,255,255,.04); border:1px solid var(--line); border-radius:10px; padding:12px 15px; transition:.12s; }
.scn-choice:hover{ border-color:var(--cyan); }
.scn-choice.picked.ok{ border-color:var(--good); background:rgba(61,220,151,.16); }
.scn-choice.picked.no{ border-color:#e2765d; background:rgba(226,118,93,.16); }
.scn-fb{ margin-top:12px; font-size:17px; line-height:1.55; padding:12px 14px; border-radius:8px; }
.scn-fb.ok{ background:rgba(61,220,151,.1); border-left:3px solid var(--good); color:#d9ffe9; }
.scn-fb.no{ background:rgba(226,118,93,.1); border-left:3px solid #e2765d; color:#f5cabb; }