/* Kiteline Academy — learning hub & lesson player */
.learn-track-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:28px}
.learn-track-card{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:rgba(255,255,255,.05);border-top:3px solid var(--track-color,#36e6ff)}
.learn-track-badge{display:inline-block;font-size:11px;font-weight:1000;color:var(--track-color);margin-bottom:8px}
.learn-track-card h3{margin:0 0 8px;font-size:18px}
.learn-track-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.learn-courses-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.learn-course-card{cursor:default}
.learn-course-icon{font-size:36px;margin-bottom:4px}
.learn-progress-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:8px}
.learn-progress-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));border-radius:999px;transition:width .3s}
.learn-progress-text{font-size:12px;color:var(--muted);margin:6px 0 0}
.ai-tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ai-tool-card{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:rgba(255,255,255,.05)}
.ai-tool-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:10px}
.ai-tool-head b{font-size:18px;color:#fff}
.ai-tool-head span{font-size:12px;color:var(--muted)}
.ai-tool-for,.ai-tool-how,.ai-tool-try{font-size:13px;color:var(--muted);line-height:1.55;margin:0 0 10px}
.ai-tool-link{margin-top:8px;width:100%}
.learn-sources-list{margin:0;padding-left:20px;color:var(--muted);line-height:1.9}
.learn-sources-list a{color:var(--cyan);font-weight:800}
.learn-how-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}
.learn-how-step{border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center;background:rgba(54,230,255,.06)}
.learn-how-step b{display:block;font-size:28px;color:var(--cyan);margin-bottom:8px}
.learn-how-step span{color:var(--muted);font-size:13px;line-height:1.5}
#lessonPlayer.modal{align-items:stretch;padding:0}
#lessonPlayer .lp-shell{width:100%;max-width:100%;height:100vh;max-height:100vh;border-radius:0;display:grid;grid-template-columns:280px 1fr;grid-template-rows:1fr;background:#0a1024;border:0;overflow:hidden}
.lp-sidebar{background:rgba(0,0,0,.35);border-right:1px solid var(--line);padding:16px 12px;overflow-y:auto;min-height:0}
.lp-sidebar h3{margin:0 0 12px;font-size:14px;color:var(--muted);padding:0 8px}
.lp-lesson{display:flex;gap:10px;width:100%;text-align:left;border:0;background:transparent;color:var(--muted);padding:10px 8px;border-radius:12px;cursor:pointer;font-size:13px;font-weight:700;margin-bottom:4px}
.lp-lesson:hover,.lp-lesson.active{background:rgba(255,255,255,.08);color:#fff}
.lp-lesson.done .lp-num{color:#50f0a0}
.lp-lesson.locked{opacity:.55}
.lp-num{width:24px;flex-shrink:0;text-align:center}
.lp-main{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.lp-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);flex-shrink:0}
.lp-topbar h2{margin:0;font-size:18px}
.lp-meta{font-size:13px;color:var(--muted)}
.lp-scroll{flex:1;overflow-y:auto;padding:20px 24px 32px;min-height:0;-webkit-overflow-scrolling:touch}
.lp-lesson-heading{margin:0 0 16px;font-size:26px}
.lp-body{color:var(--muted);line-height:1.75;font-size:15px}
.lp-body h4{color:#fff;margin:18px 0 8px}
.lp-body ul,.lp-body ol{padding-left:20px}
.lp-body a{color:var(--cyan)}
.lp-body pre{font-size:13px}
.lp-tryit{margin-top:20px;padding:16px;border-radius:16px;background:rgba(54,230,255,.08);border:1px solid rgba(54,230,255,.22)}
.lp-tryit h4{margin:0 0 8px;color:#c8fbff;font-size:14px}
.lp-tryit p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.lp-sources{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.lp-sources h4{font-size:14px;color:#fff;margin:0 0 10px}
.lp-tools{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.lp-tool-chip{display:inline-block;padding:6px 12px;border-radius:999px;background:rgba(103,107,255,.2);color:#c8d4ff;font-size:12px;font-weight:800;text-decoration:none}
.lp-src-list{margin:0;padding-left:18px;font-size:13px;color:var(--muted);line-height:1.7}
.lp-quiz{margin-top:18px;padding:16px;border-radius:16px;background:rgba(168,85,247,.08);border:1px solid rgba(168,85,247,.2)}
.lp-quiz h4{margin:0 0 12px;color:#e9d5ff}
.lp-quiz-q{margin-bottom:14px}
.lp-quiz-opt{display:block;margin:6px 0;font-size:14px;color:var(--muted);cursor:pointer}
.lp-footer{display:flex;gap:10px;flex-wrap:wrap;padding:14px 20px;padding-bottom:max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--line);flex-shrink:0;background:rgba(10,16,36,.98);backdrop-filter:blur(10px);z-index:5}
.lp-footer .btn{min-height:44px}
.lp-close-mobile{display:none}
#lpDownloads{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
#lpDownloads h4{font-size:14px;color:#fff;margin:0 0 12px}
.lp-downloads{display:flex;flex-wrap:wrap;gap:10px}
.lp-dl-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:rgba(54,230,255,.1);border:1px solid rgba(54,230,255,.25);color:#36e6ff;font-size:13px;font-weight:700;text-decoration:none}
.lp-dl-btn:hover{background:rgba(54,230,255,.2);color:#fff}
.lp-objective{margin:0 0 16px;padding:14px 16px;border-radius:14px;background:rgba(80,240,160,.08);border:1px solid rgba(80,240,160,.2)}
.lp-objective h4{margin:0 0 6px;color:#50f0a0;font-size:13px}
.lp-objective p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
.lp-exercise{margin-top:18px;padding:16px;border-radius:16px;background:rgba(255,202,107,.08);border:1px solid rgba(255,202,107,.22)}
.lp-exercise h4{margin:0 0 8px;color:#ffca6b;font-size:14px}
.lp-exercise p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.learn-page #lessonPlayer{display:none}
.learn-page .lp-shell{display:grid;grid-template-columns:260px 1fr;grid-template-rows:1fr;width:100%;height:calc(100dvh - 52px);max-height:calc(100dvh - 52px);overflow:hidden;background:#0a1024}
.learn-page .lp-sidebar{height:100%;max-height:100%;position:relative;top:0}
.learn-page .lp-main{height:100%;min-height:0}
.learn-page .lp-scroll{flex:1;min-height:0;overflow-y:auto}
.learn-page .lp-footer{flex-shrink:0}
.learn-page .lp-editor-wrap{margin-top:20px;padding:16px;border-radius:16px;background:rgba(54,230,255,.06);border:1px solid rgba(54,230,255,.18)}
.learn-page .lp-editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.learn-page .lp-editor-pane label{display:block;font-size:12px;font-weight:800;color:var(--muted);margin-bottom:6px}
.learn-page .lp-editor-pane textarea{width:100%;min-height:200px;resize:vertical;background:#050814;color:#e8f0ff;border:1px solid var(--line);border-radius:12px;padding:12px;font-family:Consolas,monospace;font-size:13px;line-height:1.55}
.learn-page #lpCodeFrame{width:100%;min-height:200px;border:1px solid var(--line);border-radius:12px;background:#fff}
.learn-page .lp-code-out{min-height:200px;margin:0;padding:12px;border-radius:12px;background:#050814;border:1px solid var(--line);color:#e8f0ff;font-family:Consolas,monospace;font-size:13px;white-space:pre-wrap}
.learn-page .lp-editor-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.learn-page .lp-lesson-toggle{display:none}
@media(max-width:980px){
  .learn-track-grid,.learn-how-steps{grid-template-columns:1fr 1fr}
  .learn-courses-grid,.ai-tools-grid{grid-template-columns:1fr}
  #lessonPlayer .lp-shell{grid-template-columns:1fr;grid-template-rows:auto 1fr auto}
  #lessonPlayer .lp-sidebar{display:none}
  #lessonPlayer .lp-close-mobile{display:inline-flex}
  .learn-page .lp-shell{grid-template-columns:1fr;grid-template-rows:auto 1fr auto;height:calc(100dvh - 52px);max-height:calc(100dvh - 52px)}
  .learn-page .lp-sidebar{display:block;max-height:min(28vh,220px);border-right:0;border-bottom:1px solid var(--line);flex-shrink:0}
  .learn-page .lp-editor-grid{grid-template-columns:1fr}
  .learn-page .lp-footer{position:sticky;bottom:0}
  .learn-page .lp-footer .btn{flex:1;min-width:0;justify-content:center}
}