/* ===== ElectraLab beta: UI for beta features ===== */
.elb-launch{position:fixed;left:12px;bottom:12px;z-index:2147483000;display:inline-flex;align-items:center;gap:4px;padding:7px 12px;border-radius:999px;border:1px solid var(--line-strong,#00e8ff);background:var(--panel-solid,#0a1230);color:var(--text,#e6ebff);font:600 13px/1 var(--font,sans-serif);box-shadow:0 4px 18px rgba(0,0,0,.35);cursor:pointer}
.elb-launch span:first-child{font-size:16px;color:var(--neon,#00e8ff)}
.elb-launch:focus-visible,.elb-btn:focus-visible,.elb-x:focus-visible,.elb-card:focus-visible,.elb-stu:focus-visible,.elb-link:focus-visible{outline:3px solid #ffbf00;outline-offset:2px}
@media (max-width:820px){.elb-launch{bottom:auto;top:max(8px,env(safe-area-inset-top));left:auto;right:8px;padding:5px 10px}}
.elb-panel{background:var(--panel-solid,#0a1230);color:var(--text,#e6ebff);border:1px solid var(--line-strong,#00e8ff);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.5);font:400 14px/1.4 var(--font,sans-serif)}
.elb-menu{position:fixed;left:12px;bottom:56px;z-index:2147483001;width:min(340px,calc(100vw - 24px));max-height:calc(100vh - 80px);overflow:auto;padding:12px 14px}
@media (max-width:820px){.elb-menu{bottom:auto;top:48px;left:auto;right:8px}}
.elb-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.elb-head strong{flex:1;font-size:15px}
.elb-x{background:transparent;border:0;color:inherit;font-size:22px;line-height:1;cursor:pointer;padding:2px 8px;border-radius:8px}
.elb-sec{border:0;margin:0 0 10px;padding:8px 0 0;border-top:1px solid var(--line,rgba(255,255,255,.15))}
.elb-sec legend,.elb-h{font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted,#8b95c4);padding:0;margin-bottom:6px}
.elb-radio{display:flex;align-items:center;gap:8px;padding:5px 2px;cursor:pointer}
.elb-sw{width:28px;height:18px;border-radius:5px;border:1px solid rgba(127,127,127,.6);display:inline-block}
.elb-sw-default{background:linear-gradient(135deg,#02030f 50%,#00e8ff 50%)}.elb-sw-taller{background:linear-gradient(135deg,#f4efe6 50%,#c2410c 50%)}.elb-sw-blueprint{background:linear-gradient(135deg,#0b2a55 50%,#f2f7ff 50%)}
.elb-btn{display:inline-block;margin:3px 4px 3px 0;padding:8px 12px;border-radius:10px;border:1px solid var(--line-strong,#00e8ff);background:transparent;color:inherit;font:600 14px/1.2 var(--font,sans-serif);cursor:pointer;text-align:left}
.elb-btn:hover{background:rgba(127,127,127,.15)}.elb-btn[disabled]{opacity:.5;cursor:default}
.elb-primary{background:var(--accent,#000dfb);border-color:var(--accent,#000dfb);color:#fff}
.elb-mini{padding:4px 8px;font-size:12px}
.elb-small{font-size:12px;color:var(--muted,#8b95c4);margin:2px 0 6px}
.elb-note{font-size:11.5px;color:var(--muted,#8b95c4);border-top:1px dashed var(--line,rgba(255,255,255,.2));padding-top:8px;margin:6px 0 0}
.elb-warn{color:#ffb020;font-size:12.5px}
.elb-overlay{position:fixed;inset:0;z-index:2147483002;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:12px}
.elb-modal{width:min(560px,100%);max-height:calc(100vh - 24px);overflow:auto;padding:14px 16px}
.elb-wide{width:min(980px,100%)}
.elb-list{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}
.elb-card{width:100%;text-align:left;display:flex;flex-direction:column;gap:3px;padding:10px 12px;border-radius:10px;border:1px solid var(--line,rgba(255,255,255,.2));background:rgba(127,127,127,.08);color:inherit;font:inherit;cursor:pointer}
.elb-card span{font-size:12.5px;color:var(--muted,#8b95c4)}
.elb-symptom{position:fixed;left:50%;transform:translateX(-50%);top:64px;z-index:2147482999;width:min(720px,calc(100vw - 16px));display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:12px;background:var(--panel-solid,#0a1230);color:var(--text,#e6ebff);border:2px solid #ffb020;box-shadow:0 10px 30px rgba(0,0,0,.45);font:400 13.5px/1.35 var(--font,sans-serif)}
.elb-symptom p{margin:3px 0}.elb-sym-a{display:flex;flex-wrap:wrap;gap:4px;align-items:center;justify-content:flex-end;min-width:150px}
@media (max-width:820px){.elb-symptom{top:auto;bottom:70px;flex-direction:column}.elb-sym-a{justify-content:flex-start}}
.elb-hud{font:600 13px/1 var(--mono,monospace);padding:6px 8px;border-radius:8px;background:rgba(127,127,127,.18)}.elb-hud.elb-hot{background:#b42318;color:#fff}
.elb-toast{position:fixed;left:50%;transform:translateX(-50%);bottom:90px;z-index:2147483003;background:#067647;color:#fff;padding:10px 16px;border-radius:999px;font:600 14px var(--font,sans-serif);box-shadow:0 8px 24px rgba(0,0,0,.4)}
.elb-big{font-size:22px}
.elb-legend{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.elb-chip{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11.5px;font-weight:700}
.elb-chip.elb-stuck{background:#b42318;color:#fff}.elb-chip.elb-work{background:#b54708;color:#fff}.elb-chip.elb-idle{background:#475467;color:#fff}.elb-chip.elb-done{background:#067647;color:#fff}
.elb-errs{font-size:13px;margin:6px 0 10px;display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.elb-err{background:rgba(127,127,127,.12);border-radius:8px;padding:3px 8px}
.elb-link{background:none;border:0;color:var(--neon,#00e8ff);text-decoration:underline;cursor:pointer;font:inherit;padding:0}
.elb-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.elb-stu{width:100%;min-height:92px;text-align:left;display:flex;flex-direction:column;gap:4px;padding:8px 10px;border-radius:10px;border:2px solid transparent;background:rgba(127,127,127,.1);color:inherit;font:inherit;cursor:pointer}
.elb-stu.elb-stuck{border-color:#f04438}.elb-stu.elb-work{border-color:#f79009}.elb-stu.elb-done{border-color:#17b26a}.elb-stu.elb-idle{border-color:#667085}
.elb-stu.elb-on{box-shadow:0 0 0 3px #ffbf00}
.elb-domerr{color:inherit;opacity:.9}
.elb-detail{margin-top:12px;border-top:1px solid var(--line,rgba(255,255,255,.2));padding-top:8px}
.elb-steps{padding-left:20px;font-size:13px}.elb-steps li{margin:4px 0}.elb-steps li.ok{color:#2fd27e}.elb-steps li.ko span:first-child{opacity:.8}
.elb-steps code{font-size:11px;opacity:.75}
.elb-modal select{font:inherit;padding:4px 6px;border-radius:8px;background:var(--bg1,#060a1c);color:inherit;border:1px solid var(--line-strong,#00e8ff)}

/* ======================= SKIN: Taller claro (light workshop) ======================= */
html[data-elskin="taller"]{--brand:#c2410c;--bg0:#efe8dc;--bg1:#f6f1e8;--bg2:#ebe3d4;--panel:rgba(255,253,248,.96);--panel-solid:#fffdf8;--line:rgba(60,45,30,.22);--line-strong:rgba(154,52,18,.55);--text:#1f1a14;--muted:#5b5148;--accent:#c2410c;--accent-bright:#9a3412;--accent2:#0f766e;--neon:#0f766e;--neon-mag:#a21caf;--danger:#b42318;--info:#1d4ed8;--canvas:#fbf8f2;--glow:0 1px 3px rgba(60,45,30,.18);--glow-mag:0 1px 3px rgba(60,45,30,.18);color-scheme:light}
html[data-elskin="taller"] body{background:#efe8dc;color:var(--text)}
html[data-elskin="taller"] .hero-atmosphere{background:radial-gradient(ellipse 80% 60% at 50% 10%,rgba(194,65,12,.12),transparent 60%),#f4efe6}
html[data-elskin="taller"] .hero-traces{opacity:.5;background-image:linear-gradient(rgba(60,45,30,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(60,45,30,.07) 1px,transparent 1px)}
html[data-elskin="taller"] .lab-shell{background:#efe8dc}
html[data-elskin="taller"] .lab-top{background:#fffdf8;border-bottom:1px solid var(--line)}
html[data-elskin="taller"] .btn,html[data-elskin="taller"] .hero-chip,html[data-elskin="taller"] .apex-nav button{background:#fffdf8;color:var(--text);border-color:rgba(60,45,30,.28);box-shadow:none}
html[data-elskin="taller"] .btn:hover{background:#f3ebdd}
html[data-elskin="taller"] .btn.primary,html[data-elskin="taller"] .btn.hero-primary{background:#c2410c;border-color:#9a3412;color:#fff;box-shadow:0 2px 0 #7c2d12}
html[data-elskin="taller"] .btn.pro-btn{background:#fff6db;color:#7a5800;border-color:#b98900}
html[data-elskin="taller"] .btn.apex-btn{background:#e6f6f8;color:#0b5560;border-color:#2c8a96}
html[data-elskin="taller"] .layer-toggles .btn.active{background:#ffedd5;color:#9a3412;border-color:#c2410c;box-shadow:none}
html[data-elskin="taller"] .canvas-frame{background:#e9e1d2}
html[data-elskin="taller"] .canvas-bezel{background:#fbf8f2;box-shadow:inset 0 0 0 1px rgba(60,45,30,.15);border-color:rgba(60,45,30,.35)}
html[data-elskin="taller"] .canvas-bezel canvas{filter:invert(1) hue-rotate(180deg) saturate(1.15)}
html[data-elskin="taller"] .electra-rail{background:#f8f3ea;border-left-color:var(--line)}
html[data-elskin="taller"] .console,html[data-elskin="taller"] .console.glass-panel{background:#fffdf8!important;color:var(--text)!important}
html[data-elskin="taller"] .console *{color:inherit}
html[data-elskin="taller"] :is(.glass-panel,.panel,.instrument-card,.student-goals,.mission-pick,.mission-banner,.learning-path,.coach-tip,.study-sheet-panel,.inspector,.sim-inspector,.modal-card,.mission-celebrate-card,.mission-next,.electra-chip,.lang-switch,.student-goals-list li,.xray-badge,.apex-result,.cmdk){background:#fffdf8!important;color:var(--text)!important;border-color:var(--line)!important;box-shadow:0 1px 2px rgba(60,45,30,.08)!important}
html[data-elskin="taller"] .electra-msg{background:#fff!important;color:var(--text)!important;border-color:var(--line)!important;box-shadow:none!important}
html[data-elskin="taller"] .electra-msg.electra{background:#fff4ea!important;border-color:rgba(194,65,12,.3)!important}
html[data-elskin="taller"] input,html[data-elskin="taller"] select,html[data-elskin="taller"] textarea,html[data-elskin="taller"] .electra-compose-row input{background:#fff!important;color:var(--text)!important;border-color:rgba(60,45,30,.35)!important}
html[data-elskin="taller"] .mobile-dock{background:#fffdf8!important;border-top:1px solid var(--line)}
html[data-elskin="taller"] .mobile-dock button{color:var(--muted)}
html[data-elskin="taller"] .mobile-dock button.active{color:#9a3412;background:#ffedd5;border-color:#c2410c}
html[data-elskin="taller"] .modal-backdrop,html[data-elskin="taller"] .mission-celebrate{background:rgba(40,30,20,.45)}
html[data-elskin="taller"] .challenge-item{background:#fffdf8;border-color:var(--line);color:var(--text)}
html[data-elskin="taller"] .challenge-item.active{background:#ffedd5;border-color:#c2410c}
html[data-elskin="taller"] h1,html[data-elskin="taller"] h2,html[data-elskin="taller"] h3{color:var(--text);text-shadow:none}
html[data-elskin="taller"] [class*="eyebrow"],html[data-elskin="taller"] [class*="kicker"]{color:#9a3412!important;text-shadow:none!important}
html[data-elskin="taller"] .elb-symptom{border-color:#c2410c}
html[data-elskin="taller"] .elb-link{color:#0f766e}
html[data-elskin="taller"] .elb-steps li.ok{color:#067647}

/* ======================= SKIN: Blueprint / retro ======================= */
html[data-elskin="blueprint"]{--brand:#ffd23f;--bg0:#0a2348;--bg1:#0b2a55;--bg2:#103466;--panel:rgba(12,44,92,.94);--panel-solid:#0e3366;--line:rgba(220,234,255,.28);--line-strong:rgba(220,234,255,.6);--text:#f2f7ff;--muted:#b9cdec;--accent:#ffd23f;--accent-bright:#ffe27a;--accent2:#7fdbff;--neon:#7fdbff;--neon-mag:#ffb3c7;--danger:#ff8a80;--info:#9ad1ff;--canvas:#0b2a55;--glow:none;--glow-mag:none;--display:"IBM Plex Mono",ui-monospace,monospace}
html[data-elskin="blueprint"] body{background:#0b2a55}
html[data-elskin="blueprint"] .hero-atmosphere{background:#0b2a55}
html[data-elskin="blueprint"] .hero-traces,html[data-elskin="blueprint"] .canvas-frame,html[data-elskin="blueprint"] .lab-shell{background-color:#0b2a55;background-image:linear-gradient(rgba(220,234,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(220,234,255,.07) 1px,transparent 1px),linear-gradient(rgba(220,234,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(220,234,255,.035) 1px,transparent 1px);background-size:80px 80px,80px 80px,16px 16px,16px 16px;opacity:1}
html[data-elskin="blueprint"] .lab-top{background:#0a2348;border-bottom:2px solid rgba(220,234,255,.45)}
html[data-elskin="blueprint"] .btn,html[data-elskin="blueprint"] .hero-chip,html[data-elskin="blueprint"] .apex-nav button{background:transparent;color:var(--text);border:1px dashed rgba(220,234,255,.55);border-radius:3px;box-shadow:none;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:.88em;letter-spacing:0}
html[data-elskin="blueprint"] .btn:hover{background:rgba(220,234,255,.1)}
html[data-elskin="blueprint"] .btn.primary,html[data-elskin="blueprint"] .btn.hero-primary{background:#ffd23f;color:#10213f;border:1px solid #ffd23f;box-shadow:3px 3px 0 rgba(0,0,0,.35)}
html[data-elskin="blueprint"] .btn.pro-btn{color:#ffd23f;border-color:#ffd23f}
html[data-elskin="blueprint"] .btn.apex-btn{color:#7fdbff;border-color:#7fdbff}
html[data-elskin="blueprint"] .layer-toggles .btn.active{background:rgba(255,210,63,.18);color:#ffe27a;border-color:#ffd23f;box-shadow:none}
html[data-elskin="blueprint"] .canvas-bezel{background-color:#0b2a55;background-image:linear-gradient(rgba(220,234,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(220,234,255,.09) 1px,transparent 1px);background-size:20px 20px;border:2px solid rgba(220,234,255,.7);border-radius:2px;box-shadow:inset 0 0 0 6px rgba(220,234,255,.06)}
html[data-elskin="blueprint"] .canvas-bezel canvas{mix-blend-mode:screen;filter:saturate(.4) brightness(1.25)}
html[data-elskin="blueprint"] .electra-rail{background:#0a2348;border-left:2px solid rgba(220,234,255,.45)}
html[data-elskin="blueprint"] .console,html[data-elskin="blueprint"] .console.glass-panel{background:#081d3d!important;font-family:"IBM Plex Mono",ui-monospace,monospace}
html[data-elskin="blueprint"] :is(.glass-panel,.panel,.instrument-card,.student-goals,.mission-pick,.mission-banner,.learning-path,.coach-tip,.study-sheet-panel,.inspector,.sim-inspector,.modal-card,.mission-celebrate-card,.mission-next,.electra-chip,.lang-switch,.student-goals-list li,.xray-badge,.apex-result,.cmdk,.challenge-item){background:#0e3366!important;border:1px solid rgba(220,234,255,.38)!important;border-radius:3px!important;box-shadow:none!important;color:var(--text)!important}
html[data-elskin="blueprint"] .electra-msg{background:#0e3366!important;border:1px dashed rgba(220,234,255,.4)!important;box-shadow:none!important;color:var(--text)!important}
html[data-elskin="blueprint"] input,html[data-elskin="blueprint"] select,html[data-elskin="blueprint"] .electra-compose-row input{background:#081d3d!important;color:var(--text)!important;border-color:rgba(220,234,255,.5)!important}
html[data-elskin="blueprint"] h1,html[data-elskin="blueprint"] h2,html[data-elskin="blueprint"] h3,html[data-elskin="blueprint"] .challenge-item strong{font-family:"IBM Plex Mono",ui-monospace,monospace;text-shadow:none;letter-spacing:.02em}
html[data-elskin="blueprint"] .mobile-dock{background:#0a2348!important;border-top:2px solid rgba(220,234,255,.45)}
html[data-elskin="blueprint"] .elb-panel,html[data-elskin="blueprint"] .elb-launch{border-radius:3px;border-style:dashed}
html[data-elskin="blueprint"] .elb-primary{color:#10213f}
html[data-elskin="blueprint"] .elb-link{color:#ffe27a}
@media (prefers-reduced-motion:reduce){.elb-toast,.elb-panel{transition:none!important;animation:none!important}}
html[data-elskin="taller"] #simulath-upgrade-bar,html[data-elskin="taller"] #simulath-el-trial-bar{background:#fffdf8!important;color:#1f1a14!important;border-top:1px solid rgba(60,45,30,.25)!important}
html[data-elskin="taller"] #simulath-upgrade-bar a,html[data-elskin="taller"] #simulath-upgrade-bar select,html[data-elskin="taller"] #simulath-upgrade-bar button{color:#1f1a14!important;border-color:rgba(60,45,30,.4)!important;background:#fff!important}
html[data-elskin="taller"] #simulath-upgrade-bar a.sub-cta,html[data-elskin="taller"] #simulath-upgrade-bar a[class*="cta"]:first-of-type{background:#c2410c!important;color:#fff!important;border-color:#9a3412!important}
html[data-elskin="blueprint"] #simulath-upgrade-bar,html[data-elskin="blueprint"] #simulath-el-trial-bar{background:#0a2348!important;border-top:2px solid rgba(220,234,255,.45)!important}

@media (max-width:760px){#elb-launch,.elb-launch{top:auto!important;bottom:78px!important;left:8px!important;right:auto!important}}
@media (max-width:760px){body:has(.elb-symptom) .elb-launch{display:none!important}}