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span{color:var(--course-color);font-family:var(--mono);font-size:9px;font-weight:900;text-transform:uppercase}.switch-port-grid button strong{color:var(--text);font-family:var(--mono);font-size:13px}.switch-port-grid button.selected{border-color:color-mix(in srgb,var(--course-color),transparent 32%);background:color-mix(in srgb,var(--course-color),transparent 82%)}.concept-card{overflow:hidden}.concept-stage{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:12px;margin-top:16px}.concept-visual{position:relative;min-height:238px;overflow:hidden;border:1px solid color-mix(in srgb,var(--course-color),transparent 68%);border-radius:20px;background:linear-gradient(color-mix(in srgb,var(--course-color),transparent 93%) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--course-color),transparent 95%) 1px,transparent 1px),#0d1522;background-size:26px 26px}.concept-panel{display:grid;align-content:start;min-height:238px;padding:16px;border:1px solid color-mix(in 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span{display:grid;width:24px;height:24px;place-items:center;border-radius:50%;background:#7e92b329;color:var(--muted);font-family:var(--mono);font-size:8px}.concept-focus-list button.active{border-color:color-mix(in srgb,var(--course-color),transparent 38%);background:color-mix(in srgb,var(--course-color),transparent 86%);color:var(--text)}.concept-focus-list button.active span{background:var(--course-color);color:#0c1119}.concept-check{margin-top:12px;padding:12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 74%);border-radius:15px;background:#090e169e}.concept-check p{margin-top:7px}.bit-stream{position:absolute;top:28px;left:28px;color:var(--course-color);font-family:var(--mono);font-size:22px;font-weight:900;letter-spacing:.2em}.signal-line{position:absolute;right:32px;bottom:84px;left:32px;height:72px;border-bottom:3px solid color-mix(in srgb,var(--course-color),transparent 40%);border-radius:50%}.signal-pulse{position:absolute;width:18px;height:18px;border-radius:50%;background:var(--course-color);box-shadow:0 0 20px var(--course-color);animation:concept-pulse-run 3.2s ease-in-out infinite}.pulse-a{top:104px;left:58px}.pulse-b{top:132px;left:120px;animation-delay:.9s}.medium-grid{position:absolute;right:20px;bottom:20px;left:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.medium-grid span{display:grid;min-height:36px;place-items:center;border:1px solid color-mix(in srgb,var(--course-color),transparent 66%);border-radius:12px;background:#090e16bd;color:var(--text);font-family:var(--mono);font-size:10px;font-weight:900}.concept-phase-0 .bit-stream,.concept-phase-1 .signal-line,.concept-phase-2 .medium-grid span{filter:drop-shadow(0 0 10px var(--course-color))}.diagnostic-visual{display:grid;align-content:center;gap:12px;padding:24px}.diagnostic-step{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;min-height:42px;padding:9px 12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 66%);border-radius:14px;background:#090e16bd;color:var(--text);font-weight:900;animation:diagnostic-step-glow 4s ease-in-out infinite;animation-delay:calc(var(--step-index) * .35s)}.diagnostic-step span{color:var(--course-color);font-family:var(--mono);font-size:10px}.mini-host,.mini-switch,.mini-frame,.mini-table{position:absolute}.mini-host,.mini-switch{display:grid;place-items:center;border:2px solid color-mix(in srgb,var(--course-color),transparent 38%);background:#090e16d1;color:var(--text);font-family:var(--mono);font-weight:900}.mini-host{width:66px;height:54px;border-radius:15px}.host-a{top:36px;left:36px}.host-b{right:36px;bottom:36px}.mini-switch{top:88px;left:calc(50% - 46px);width:92px;height:70px;border-radius:20px;color:var(--course-color)}.mini-frame{top:62px;left:116px;display:grid;width:66px;height:28px;place-items:center;border-radius:999px;background:var(--course-color);color:#0c1119;font-family:var(--mono);font-size:10px;font-weight:900;animation:mini-frame-move 3.4s ease-in-out infinite}.mini-table{right:20px;top:20px;padding:10px;border:1px solid color-mix(in srgb,var(--course-color),transparent 62%);border-radius:13px;background:#070c14d1;color:var(--muted);font-family:var(--mono);font-size:10px;line-height:1.55}.layers-visual{display:grid;align-content:center;gap:8px;padding:28px}.layers-visual span{display:block;padding:10px 12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 70%);border-radius:12px;background:#090e16b8;color:var(--text);font-family:var(--mono);font-size:11px;font-weight:900;text-transform:uppercase}@keyframes concept-pulse-run{0%,to{transform:translate(0) scale(.72);opacity:.25}50%{transform:translate(360px,16px) scale(1);opacity:1}}@keyframes diagnostic-step-glow{0%,to{border-color:color-mix(in srgb,var(--course-color),transparent 78%)}45%{border-color:color-mix(in srgb,var(--course-color),transparent 30%)}}@keyframes mini-frame-move{0%,to{transform:translate(0)}50%{transform:translate(235px,100px)}}.chapter-visual-hint{display:grid;min-height:116px;margin-top:16px;place-items:center;border:1px solid color-mix(in srgb,var(--course-color),transparent 74%);border-radius:18px;background:linear-gradient(color-mix(in srgb,var(--course-color),transparent 92%) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--course-color),transparent 94%) 1px,transparent 1px),#080c136b;background-size:22px 22px;color:var(--course-color);font-family:var(--mono);font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.sort-list,.match-list{display:grid;gap:9px;margin-top:14px}.match-list{grid-template-columns:repeat(2,minmax(0,1fr))}.sort-item,.match-row{display:grid;grid-template-columns:34px 1fr auto;gap:9px;align-items:center;padding:10px;border:1px solid rgba(126,146,179,.18);border-radius:13px;background:#0c1420c7}.sort-item span{color:var(--course-color);font-family:var(--mono);font-size:11px;font-weight:900}.sort-item strong,.match-row span{color:var(--text);font-size:13px}.diagnostic-case{display:grid;gap:5px;margin:12px 0 14px;padding:13px;border:1px solid color-mix(in srgb,var(--miel),transparent 52%);border-radius:16px;background:radial-gradient(circle at 8% 18%,rgba(242,181,68,.18),transparent 30%),#0c1420c7}.diagnostic-case span,.spot-scene-title{color:var(--miel);font-family:var(--mono);font-size:9px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.diagnostic-case strong{color:var(--text);font-size:14px;line-height:1.4}.diagnostic-action-list{display:grid;gap:8px}.diagnostic-action{display:grid;grid-template-columns:34px 1fr auto;gap:9px;align-items:center;min-height:54px;padding:9px;border:1px solid color-mix(in srgb,var(--course-color),transparent 78%);border-radius:15px;background:linear-gradient(90deg,color-mix(in srgb,var(--course-color),transparent 94%),#0c1420d6)}.diagnostic-action span{display:grid;width:28px;height:28px;place-items:center;border-radius:50%;background:color-mix(in srgb,var(--course-color),transparent 82%);color:var(--course-color);font-family:var(--mono);font-size:10px;font-weight:900}.diagnostic-action strong{color:var(--text);font-size:13px}.diagnostic-action div{display:flex;gap:5px}.diagnostic-action button{width:30px;height:30px;border:1px solid var(--line);border-radius:9px;background:#080c13d1;color:var(--text);cursor:pointer}.packet-builder{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:14px}.packet-slot{display:grid;gap:8px;min-height:118px;padding:12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 70%);border-radius:16px;background:linear-gradient(180deg,color-mix(in srgb,var(--course-color),transparent 90%),#090e16d6)}.packet-slot span{color:var(--course-color);font-family:var(--mono);font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.packet-slot select{width:100%;min-height:44px;padding:9px;border:1px solid color-mix(in srgb,var(--course-color),transparent 66%);border-radius:11px;background:#0b121d;color:var(--text);font-weight:900}.packet-slot.ok{border-color:color-mix(in srgb,var(--verde),transparent 42%);box-shadow:inset 0 0 0 1px #5ce1a433}.spot-error-scene{display:grid;gap:10px;margin-top:14px;padding:12px;border:1px solid color-mix(in 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var(--line);border-radius:9px;background:#080c13cc;color:var(--text);cursor:pointer}.match-row{grid-template-columns:1fr;gap:7px;padding:9px}.match-row select{width:100%;padding:10px;border:1px solid color-mix(in srgb,var(--course-color),transparent 76%);border-radius:10px;background:#0b121d;color:var(--text)}.chapter-feedback{margin-top:14px;padding:12px;border-radius:13px;font-size:13px;font-weight:800}.chapter-feedback p{margin-top:6px;font-weight:500}.chapter-feedback.ok{border:1px solid color-mix(in srgb,var(--verde),transparent 60%);background:#5ce1a41a;color:var(--verde)}.chapter-feedback.warn{border:1px solid color-mix(in srgb,var(--miel),transparent 58%);background:#f2b5441a;color:var(--miel)}.teaching-source{display:grid;gap:8px;margin:12px 0 14px;padding:11px;border:1px solid color-mix(in srgb,var(--course-color),transparent 72%);border-radius:14px;background:linear-gradient(135deg,color-mix(in srgb,var(--course-color),transparent 90%),#090e16ad)}.teaching-source span{color:var(--muted);font-family:var(--mono);font-size:8px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.teaching-source div{display:flex;flex-wrap:wrap;gap:6px}.teaching-source strong{display:inline-grid;min-height:24px;place-items:center;padding:0 9px;border:1px solid color-mix(in srgb,var(--course-color),transparent 60%);border-radius:999px;color:var(--text);font-size:11px;font-weight:900}.tejo-coach{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;margin-top:14px;padding:10px 12px;overflow:hidden;border:1px solid color-mix(in srgb,var(--course-color),transparent 74%);border-radius:18px;background:#090e16a8}.tejo-coach .tejo-svg{filter:drop-shadow(0 10px 12px rgba(0,0,0,.22))}.tejo-coach p{margin:0;color:var(--text);font-size:12px;font-weight:800;line-height:1.35}.tejo-coach-celebra{border-color:color-mix(in srgb,var(--verde),transparent 58%);background:radial-gradient(circle at 16% 30%,rgba(92,225,164,.18),transparent 26%),#090e16b3}.tejo-coach-preocupado{border-color:color-mix(in srgb,var(--miel),transparent 55%)}.chapter-reward{position:relative;display:inline-grid;min-width:94px;height:44px;margin:16px 0;place-items:center;border:1px solid color-mix(in srgb,var(--course-color),transparent 48%);border-radius:999px;background:color-mix(in srgb,var(--course-color),transparent 88%);color:var(--course-color);font-family:var(--mono);font-size:16px;font-weight:900}.reward-burst{position:absolute;top:-12px;right:-12px;bottom:-12px;left:-12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 50%);border-radius:999px;opacity:0;animation:reward-burst 1.8s ease-out infinite}.level-complete-card{overflow:hidden;background:radial-gradient(circle at 78% 16%,color-mix(in srgb,var(--verde),transparent 70%),transparent 26%),radial-gradient(circle at 8% 18%,color-mix(in srgb,var(--course-color),transparent 74%),transparent 30%),linear-gradient(155deg,#111a28f0,#080d15eb)}.level-complete-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;margin-top:8px}.level-complete-hero h1{font-size:clamp(34px,9vw,52px)}.level-complete-hero p{max-width:420px}.level-complete-tejo{display:grid;width:112px;height:112px;place-items:center;border:1px solid color-mix(in srgb,var(--verde),transparent 54%);border-radius:28px;background:radial-gradient(circle,rgba(92,225,164,.18),transparent 62%),#090e169e}.level-complete-track{height:10px;margin-top:18px;overflow:hidden;border-radius:999px;background:#7e92b32e}.level-complete-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--course-color),var(--verde));box-shadow:0 0 18px color-mix(in srgb,var(--verde),transparent 45%)}.level-unlock{display:grid;gap:5px;margin-top:12px;padding:12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 70%);border-radius:14px;background:#090e169e}.level-unlock span{color:var(--muted);font-family:var(--mono);font-size:8px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.level-unlock strong{color:var(--text);font-size:14px}.guided-rule-card{overflow:hidden;background:radial-gradient(circle at 86% 18%,color-mix(in srgb,var(--course-color),transparent 72%),transparent 28%),linear-gradient(155deg,#111a28e6,#080d15f0)}.guided-rule-main{display:grid;grid-template-columns:minmax(0,1fr) 86px;gap:12px;align-items:center;margin-top:14px;padding:14px;border:1px solid color-mix(in srgb,var(--course-color),transparent 68%);border-radius:18px;background:#090e168a}.guided-rule-main>strong{color:var(--text);font-family:var(--display);font-size:clamp(22px,6vw,31px);line-height:1.05}.guided-rule-tejo{display:grid;width:86px;height:86px;place-items:center;border-radius:24px;background:radial-gradient(circle,color-mix(in srgb,var(--course-color),transparent 80%),transparent 68%),#0c1420b8}.guided-rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.guided-rule-item{display:grid;gap:6px;min-height:66px;padding:10px;border:1px solid rgba(126,146,179,.22);border-radius:15px;background:#090e1680}.guided-rule-item.active{border-color:color-mix(in srgb,var(--course-color),transparent 42%);background:radial-gradient(circle at 18% 20%,color-mix(in srgb,var(--course-color),transparent 78%),transparent 42%),#090e16a8}.guided-rule-item span{color:var(--course-color);font-family:var(--mono);font-size:8px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.guided-rule-item strong{color:var(--text);font-size:13px;line-height:1.25}.guided-rule-note{margin:12px 0 0;padding:11px 12px;border:1px solid color-mix(in srgb,var(--course-color),transparent 78%);border-radius:14px;background:#090e167a;color:var(--muted);font-size:12px;font-weight:800;line-height:1.35}.briefing-audio-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:14px}.briefing-audio-panel label{display:grid;gap:7px;padding:10px;border:1px solid color-mix(in srgb,var(--course-color),transparent 70%);border-radius:14px;background:#090e16b8;color:var(--muted);font-family:var(--mono);font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.briefing-audio-panel audio{width:100%;height:32px}.briefing-video-frame{position:relative;margin-top:16px;overflow:hidden;border-radius:20px}.briefing-video-frame.has-video-asset{border:1px solid color-mix(in srgb,var(--course-color),transparent 68%);background:#05080e;box-shadow:0 18px 42px #00000047}.briefing-card.has-video-asset{display:grid;gap:0}.briefing-video-frame .briefing-scene{margin-top:0;min-height:430px;border-radius:20px}.briefing-video-player{display:block;width:100%;aspect-ratio:16 / 9;border:0;border-radius:18px;background:#05080e;object-fit:cover}.briefing-progress{position:absolute;right:18px;bottom:18px;left:18px;z-index:8;height:8px;overflow:hidden;border-radius:999px;background:#7e92b333}.briefing-progress span{display:block;height:100%;border-radius:inherit;background:var(--course-color);box-shadow:0 0 16px color-mix(in srgb,var(--course-color),transparent 42%);transition:width .18s ease}.briefing-video-caption{position:absolute;right:18px;bottom:30px;left:18px;z-index:8;padding:15px 16px;border:1px solid color-mix(in srgb,var(--course-color),transparent 62%);border-radius:17px;background:linear-gradient(180deg,#060a1294,#060a12e6);box-shadow:0 12px 28px #00000047;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.briefing-video-caption 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