/* ============================================================
   Lean Platform — shared design system (v2)
   Light business style: white / light-gray surfaces, navy accent,
   Unbounded / Inter / JetBrains Mono fonts. Body text and buttons keep
   a contrast of at least 4.5:1 (WCAG AA) on every surface below.
   Brand colors are overridden by <style>:root{…}</style> from the page,
   so components use the variables, never literal colors.
   ============================================================ */

:root{
  --bg:#FFFFFF; --bg2:#F6F8FB; --bg3:#EDF1F7;
  --border:rgba(15,23,42,.10); --border2:rgba(15,23,42,.18);
  --text:#0F172A; --text2:#475569; --text3:#5B6B80;
  /* Main accent (buttons, links, active states) and the second one (highlights, focus) */
  --accent:#1E3A8A; --accent2:#1D4ED8; --on-accent:#FFFFFF; --navy:#0B1F4D;
  /* Status colors, all readable as text on white */
  --green:#05674A; --green2:#05674A; --red:#A61B1B; --yellow:#92400E; --amber:#92400E; --gold:#854D0E;
  /* Neutral hover wash and the accent tint for selected rows, badges, pills */
  --hover:rgba(15,23,42,.04); --tint:color-mix(in srgb,var(--accent) 8%,transparent);
  --r:14px; --r2:10px; --shadow:0 10px 30px rgba(15,23,42,.08);
  /* Level color: 0 Staff, 1 Managers, 2 Lean Architect (as in TRACKS); text and white-on-color both pass AA */
  --l0:#475569; --l1:#9A3412; --l2:#854D0E;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
::selection{background:var(--accent);color:var(--on-accent)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%}
[hidden]{display:none!important}
.mono{font-family:'JetBrains Mono',monospace}
.disp{font-family:'Unbounded',sans-serif}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
/* No transform: otherwise .ws becomes the containing block for position:fixed during the animation,
   and on a phone the AI panel “slides away” with the page. */
@keyframes fadeo{from{opacity:0}to{opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
.spin{animation:spin 1s linear infinite;display:inline-block}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:6px;border:2px solid var(--bg)}

.glow-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(700px 500px at 18% -5%,color-mix(in srgb,var(--accent2) 7%,transparent),transparent 60%),
    radial-gradient(700px 500px at 100% 0%,color-mix(in srgb,var(--accent) 5%,transparent),transparent 55%)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14px;
  padding:12px 22px;border-radius:11px;transition:.2s;white-space:nowrap}
.btn i{font-size:18px}
.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 22%,transparent)}
.btn-primary:hover{background:var(--navy);transform:translateY(-1px);box-shadow:0 10px 24px color-mix(in srgb,var(--accent) 28%,transparent)}
.btn-ghost{background:var(--bg);border:1px solid var(--border2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent2);background:var(--bg2)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}
.btn-done{background:color-mix(in srgb,var(--green2) 7%,transparent);color:var(--green2);border:1px solid color-mix(in srgb,var(--green2) 35%,transparent);box-shadow:none}
.icon-btn{width:38px;height:38px;border-radius:10px;background:var(--bg);border:1px solid var(--border);display:flex;
  align-items:center;justify-content:center;font-size:19px;color:var(--text2);transition:.2s;cursor:pointer;flex-shrink:0}
.icon-btn:hover{color:var(--text);border-color:var(--border2)}

/* ---------- Messages (instead of alert) ---------- */
#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--bg);
  border:1px solid var(--border2);border-radius:12px;padding:13px 20px;display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;box-shadow:var(--shadow);z-index:300;opacity:0;transition:.35s;
  max-width:calc(100vw - 32px);pointer-events:none}
#toast.show{transform:translateX(-50%) translateY(0);opacity:1}
#toast i{font-size:20px;color:var(--green2)}
#toast.bad i{color:var(--red)}
.offline-bar{position:relative;z-index:2;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text2);
  background:color-mix(in srgb,var(--amber) 7%,transparent);border:1px solid color-mix(in srgb,var(--amber) 25%,transparent);border-radius:11px;padding:10px 14px;margin-bottom:18px}
.offline-bar i{color:var(--amber);font-size:18px;flex-shrink:0}
/* Learning: the “Set a PIN” banner for old sessions without a PIN (src/web/pages/app/pinbar.ts) */
.pin-bar{position:relative;z-index:2;font-size:13px;color:var(--text2);background:color-mix(in srgb,var(--amber) 7%,transparent);border-bottom:1px solid color-mix(in srgb,var(--amber) 30%,transparent);padding:10px 20px}
.pin-bar[hidden]{display:none}
.pin-bar form{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.pin-bar i{color:var(--amber);font-size:18px;flex-shrink:0}
.pin-bar span{flex:1 1 260px}
.pin-bar input{width:140px;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border2);border-radius:8px;padding:8px 10px}
.pin-bar .btn{padding:8px 14px}
.pin-bar .pb-err{flex-basis:100%;color:var(--red)}
.pin-bar .pb-err:empty{display:none}

/* ============================================================
   PLATFORM — dashboard
   ============================================================ */
.app-root{position:relative;z-index:1}
.app-loading{min-height:60vh;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--text2);font-size:14px}
.dash-shell{max-width:1240px;margin:0 auto;padding:22px 26px 60px;animation:fade .35s ease}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px 20px;padding:14px 0 22px;margin-bottom:8px;flex-wrap:wrap}
.tb-left{display:flex;align-items:center;gap:13px;min-width:0}
.tb-logo{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  background:var(--accent);box-shadow:0 6px 16px color-mix(in srgb,var(--accent) 25%,transparent);
  color:var(--on-accent);font-family:'Unbounded';font-weight:800;font-size:18px}
.tb-logo i{font-size:22px}
.tb-title{font-family:'Unbounded';font-weight:700;font-size:17px}
.tb-title small{display:block;font-family:'Inter';font-weight:500;font-size:11px;color:var(--text2);letter-spacing:1.5px;text-transform:uppercase}
.tb-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tb-user{display:flex;align-items:center;gap:11px;background:var(--bg2);border:1px solid var(--border);border-radius:100px;padding:6px 8px 6px 16px;cursor:pointer}
.tb-user .nm{font-size:13.5px;font-weight:600;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tb-user .tk{font-size:11px;color:var(--text2)}
.tb-ava,.lb-ava{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:var(--on-accent);flex-shrink:0}
@media(max-width:520px){.tb-user{padding:6px}.tb-user .who{display:none}}

.dash-hero{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin-bottom:30px}
.dash-hero.solo{grid-template-columns:1fr}
@media(max-width:880px){.dash-hero{grid-template-columns:1fr}}
.hero-card{background:linear-gradient(135deg,var(--bg),var(--bg2));border:1px solid var(--border);border-radius:20px;padding:26px 28px;position:relative;overflow:hidden;min-width:0}
.hero-card::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--accent2) 10%,transparent),transparent 70%);pointer-events:none}
.hero-card h2{font-family:'Unbounded';font-size:23px;font-weight:700;margin-bottom:6px;position:relative;overflow-wrap:anywhere}
.greet-sub{color:var(--text2);font-size:14px;margin-bottom:22px;position:relative}
.belt-pill{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  padding:4px 11px;border-radius:100px;margin-bottom:12px;position:relative;color:var(--lc,var(--amber));
  background:var(--bg);border:1px solid var(--border2)}
.prog-row{display:flex;align-items:center;gap:20px;position:relative;flex-wrap:wrap}
.prog-ring{--p:0;width:96px;height:96px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--bg3) 0)}
.prog-ring .inner{width:74px;height:74px;border-radius:50%;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center}
.prog-ring .pv{font-family:'Unbounded';font-weight:700;font-size:22px}
.prog-ring .pl{font-size:9.5px;color:var(--text2);text-transform:uppercase;letter-spacing:1px}
.prog-meta{flex:1;min-width:180px}
.prog-cap{font-size:13px;color:var(--text2)}
.prog-bar{height:9px;border-radius:6px;background:var(--bg3);overflow:hidden;margin:10px 0 12px}
.prog-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--accent),var(--accent2));width:0;transition:.6s}
.prog-stats{display:flex;gap:22px;flex-wrap:wrap}
.prog-stats div{font-size:12.5px;color:var(--text2)}
.prog-stats b{font-family:'Unbounded';font-size:18px;color:var(--text);display:block}

.lb-card{background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:22px;min-width:0}
.lb-h{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;margin-bottom:16px}
.lb-h i{color:var(--amber);font-size:20px}
.lb-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--border)}
.lb-row:last-child{border-bottom:none}
.lb-rank{width:24px;font-family:'Unbounded';font-weight:700;font-size:14px;color:var(--text2);text-align:center;flex-shrink:0}
.lb-row.me{background:var(--tint);margin:0 -12px;padding:9px 12px;border-radius:10px;border-bottom:none}
.lb-row.me .lb-nm{color:var(--accent)}
/* Others get a light pastel (dark initials); “me” gets the dark level color (white initials) */
.lb-ava{width:32px;height:32px;font-size:13px;color:var(--text)}
.lb-row.me .lb-ava{color:var(--on-accent)}
.lb-nm{flex:1;font-size:13.5px;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-pct{font-family:'JetBrains Mono';font-size:13px;color:var(--text2);font-weight:600}
.lb-note{padding:12px 2px 0;font-size:12px;color:var(--text3);line-height:1.55}

.block-head{display:flex;align-items:center;gap:13px;margin:34px 0 16px;flex-wrap:wrap}
.block-badge{font-family:'Unbounded';font-weight:700;font-size:13px;padding:6px 14px;border-radius:9px;letter-spacing:.5px;background:var(--tint);color:var(--accent)}
.block-head h3{font-size:18px;font-weight:700}
.block-head .cnt{font-size:12.5px;color:var(--text2);background:var(--bg2);border:1px solid var(--border);padding:3px 11px;border-radius:100px;margin-left:auto}

.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.mod-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:18px;cursor:pointer;transition:.22s;position:relative;
  display:flex;flex-direction:column;gap:12px;min-height:158px;overflow:hidden;color:inherit;min-width:0}
.mod-card:hover{transform:translateY(-4px);border-color:var(--border2);box-shadow:var(--shadow)}
.mc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.mc-ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}
/* Module colors come inline from program.json; the glyph is darkened so a light module color stays visible on white */
.mc-ic i,.mtitle .mic i{color:color-mix(in srgb,currentColor 55%,var(--text))}
.mc-num{font-family:'JetBrains Mono';font-size:11.5px;font-weight:600;color:var(--text3);background:var(--bg3);padding:3px 9px;border-radius:7px}
.mod-card h4{font-size:15px;font-weight:700;line-height:1.3}
.mc-desc{font-size:12.5px;color:var(--text2);line-height:1.45;flex:1}
.mc-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;flex-wrap:wrap}
.mc-status{font-size:11.5px;font-weight:600;display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:100px}
.mc-status.todo{color:var(--text2);background:var(--bg3)}
.mc-status.done{color:var(--green2);background:color-mix(in srgb,var(--green2) 8%,transparent)}
.mc-status.ready,.mc-status.next{color:var(--accent);background:var(--tint)}
.mc-sim{font-size:11px;color:var(--text2);display:flex;align-items:center;gap:5px}
.mc-bar{position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--green2);transition:.4s}
.mod-card.done .mc-bar{width:100%}
/* First unfinished module — “start here” (story 14) */
.mod-card.next{border-color:color-mix(in srgb,var(--accent2) 55%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 12%,transparent)}
.mod-card.exam{border-color:color-mix(in srgb,var(--accent) 28%,transparent)}
.mod-card.exam.locked{opacity:.55;cursor:default}
.mod-card.exam.locked:hover{transform:none;box-shadow:none}

/* ---------- Profile ---------- */
.prof-card{background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:26px 28px;max-width:720px;animation:fade .3s ease}
.prof-head{display:flex;align-items:center;gap:16px;margin-bottom:22px}
.prof-head .tb-ava{width:56px;height:56px;font-size:20px}
.prof-head h2{font-family:'Unbounded';font-size:20px;font-weight:700;overflow-wrap:anywhere}
.prof-rows{display:grid;gap:2px}
.prof-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--border);font-size:14px}
.prof-row .k{color:var(--text2)}
.prof-row .v{font-weight:600;text-align:right;overflow-wrap:anywhere;min-width:0}
.prof-row .v a{color:var(--accent2);text-decoration:underline}
.prof-certs{display:grid;gap:6px;justify-items:end}
.prof-certs a{display:flex;flex-direction:column;align-items:flex-end;gap:1px}
.prof-certs a span{color:var(--text2);font-weight:500;font-size:12px;text-decoration:none}
.prof-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* ============================================================
   PLATFORM — module
   ============================================================ */
.ws{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:100vh;animation:fadeo .3s ease}
.ws > *{min-width:0}
.pl-top{grid-column:1 / -1;display:flex;align-items:center;gap:16px;padding:14px 26px;background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.pl-back{display:flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--text2);padding:8px 12px;border-radius:9px;background:var(--bg3);transition:.2s;flex-shrink:0}
.pl-back:hover{color:var(--text)}
.mtitle{font-family:'Unbounded';font-weight:700;font-size:16px;display:flex;align-items:center;gap:11px;min-width:0}
.mtitle .mic{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.mtrack{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;padding:6px 13px;border-radius:100px;white-space:nowrap;
  color:var(--lc,var(--amber));background:var(--bg);border:1px solid var(--border2)}

.pl-sidebar{background:var(--bg2);border-right:1px solid var(--border);padding:22px 18px;display:flex;flex-direction:column;gap:8px}
.pl-sec-h{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text3);margin:6px 6px 4px;display:flex;align-items:center;gap:8px;width:100%;text-align:left}
.pl-sec-h .chev{margin-left:auto;display:none;font-size:16px;transition:.2s}
.sec-list{display:flex;flex-direction:column;gap:4px}
.pl-sec{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;font-size:13.5px;font-weight:500;color:var(--text2);cursor:pointer;transition:.18s;text-align:left;width:100%}
.pl-sec:hover{background:var(--bg3);color:var(--text)}
.pl-sec.active{background:var(--tint);color:var(--accent);font-weight:600}
.pl-sec .dot{width:7px;height:7px;border-radius:50%;background:var(--border2);flex-shrink:0}
.pl-sec.active .dot{background:var(--accent)}

/* AI mentor: on a wide screen — below the sections, sticky under the header */
.ai-box{margin-top:14px;position:sticky;top:78px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:15px;display:flex;flex-direction:column;gap:11px}
.ai-head{display:flex;align-items:center;gap:10px}
.ai-head .ai-close{margin-left:auto;display:none}
.ai-ava{width:38px;height:38px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:19px;color:var(--on-accent);flex-shrink:0;position:relative;overflow:hidden;box-shadow:0 0 0 1px var(--border)}
.ai-ava img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 0%;transform:scale(1.07)}
.ai-head .nm{font-size:13.5px;font-weight:700}
.ai-head .rl{font-size:11px;color:var(--text2)}
.ai-msg{font-size:12.5px;color:var(--text2);line-height:1.5;background:var(--bg2);border-radius:10px;padding:11px 13px;min-height:54px;max-height:260px;overflow:auto;overflow-wrap:anywhere}
.ai-msg .q{margin-bottom:6px}
.ai-msg .q b{color:var(--text)}
.ai-msg .a{margin-bottom:14px;color:var(--text);line-height:1.55;white-space:pre-line}
.ai-msg .note i{margin-right:4px}
.ai-chips{display:flex;flex-wrap:wrap;gap:6px}
.ai-chip{font-size:11.5px;color:var(--text2);background:var(--bg2);border:1px solid var(--border);border-radius:100px;padding:5px 10px;transition:.15s;text-align:left}
.ai-chip:hover{color:var(--text);border-color:var(--border2)}
.ai-input-row{display:flex;gap:8px}
.ai-inp{flex:1;min-width:0;background:var(--bg);border:1px solid var(--border2);border-radius:9px;padding:9px 12px;font-size:13px;color:var(--text);font-family:inherit}
.ai-inp:focus{outline:none;border-color:var(--accent2)}
.ai-send{width:38px;border-radius:9px;background:var(--accent);color:var(--on-accent);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.ai-send:disabled{opacity:.5}
.ai-fab{display:none}

.pl-main{padding:30px 38px 60px;max-width:920px}
.cs-track-section{--acc:var(--accent);animation:fade .3s ease}
.sim-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:26px 0 6px}
.sim-list-h{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text3);margin-top:30px}
.sim-card{display:flex;flex-direction:column;gap:8px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:16px;transition:.2s;min-width:0}
.sim-card:hover{border-color:var(--border2);transform:translateY(-2px)}
.sim-card .sc-h{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14.5px}
.sim-card .sc-h i{color:var(--accent);font-size:20px}
.sim-card p{font-size:12.5px;color:var(--text2);line-height:1.5;flex:1}
.sim-card .sc-go{font-size:12.5px;font-weight:600;color:var(--accent2);display:flex;align-items:center;gap:6px}
.sim-card .sc-ai{font-size:10px;font-weight:700;letter-spacing:.5px;color:var(--green2);background:color-mix(in srgb,var(--green2) 8%,transparent);padding:2px 7px;border-radius:6px;margin-left:auto}
.mod-actions{display:flex;gap:12px;margin-top:30px;padding-top:24px;border-top:1px solid var(--border);flex-wrap:wrap}
.placeholder{border:1.5px dashed var(--border2);border-radius:var(--r);padding:30px;text-align:center;color:var(--text2);background:var(--bg2)}
.placeholder i{font-size:38px;opacity:.5;margin-bottom:12px;display:block}

/* ---------- Module content: classes of the brands/<id>/modules fragments ---------- */
.arch-src p.quote{font-style:italic;color:var(--acc);border-left:3px solid var(--acc);padding:9px 16px;margin:0 0 20px;background:var(--bg2);border-radius:0 8px 8px 0;font-size:15px;line-height:1.6}
.arch-src h4{font-size:15.5px;font-weight:700;margin:22px 0 9px;color:var(--acc)}
.arch-src p{margin:9px 0;font-size:14.5px;line-height:1.65;color:var(--text)}
.arch-src ul,.arch-src ol{margin:8px 0 16px;padding-left:23px;font-size:14.5px;line-height:1.6}
.arch-src li{margin-bottom:8px}
.arch-src ul.pitfalls li{color:var(--red)}
.arch-src ol.role li{color:var(--green)}
.arch-src strong{color:var(--text);font-weight:700}
.m-block{margin-bottom:28px}
.m-sec-title{display:flex;align-items:center;gap:11px;font-size:17.5px;font-weight:700;margin-bottom:14px;line-height:1.25;scroll-margin-top:90px}
.m-sec-title .nbadge{width:27px;height:27px;border-radius:8px;background:var(--acc);color:var(--on-accent);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.m-lead{font-size:15px;color:var(--text2);line-height:1.65;margin-bottom:16px}
.m-lead b,.def-box p b,.callout .cbody b,.tip .tbody b{color:var(--text)}
.def-box{background:var(--bg2);border:1px solid var(--border);border-left:3px solid var(--acc);border-radius:10px;padding:15px 18px;margin-bottom:16px}
.def-box .t{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--acc);margin-bottom:6px}
.def-box p{font-size:14px;color:var(--text);line-height:1.6}
.point-list{display:flex;flex-direction:column;gap:9px;margin-bottom:16px}
.point{display:flex;gap:12px;align-items:flex-start;background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:12px 15px}
.point .pico{width:30px;height:30px;border-radius:8px;background:color-mix(in srgb,var(--acc) 9%,transparent);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.point .pbody{flex:1;min-width:0}
.point .pbody b{display:block;font-size:14px;margin-bottom:2px}
.point .pbody span{font-size:13px;color:var(--text2);line-height:1.5}
.pbody > b,.kbody > b,.tbody > b{display:block}
.pbody > span,.kbody > span,.tbody > span{display:block}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.mini-card{background:var(--bg2);border:1px solid var(--border);border-radius:11px;padding:14px 15px}
.stat-row{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:16px}
.stat-box{flex:1;min-width:118px;background:var(--bg2);border:1px solid var(--border);border-radius:11px;padding:15px 16px;text-align:center}
.stat-box .v{font-family:'Unbounded';font-weight:700;font-size:25px;color:var(--acc);overflow-wrap:anywhere}
.stat-box .l{font-size:11.5px;color:var(--text2);margin-top:3px;line-height:1.35}
.callout{display:flex;gap:13px;background:var(--bg2);border:1px solid var(--border);border-radius:11px;padding:15px 17px;margin-bottom:16px}
.callout .cico{font-size:22px;color:var(--acc);flex-shrink:0}
.callout .cbody{font-size:14px;line-height:1.6;color:var(--text2);min-width:0}
.callout.quote .cbody{font-style:italic}
.formula{font-family:'JetBrains Mono';font-size:13.5px;background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:16px;color:var(--text);line-height:1.7;overflow-x:auto}
.case-card{background:linear-gradient(135deg,var(--bg),var(--bg2));border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.case-card .cc-h{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.case-card .cc-logo{min-width:36px;height:36px;padding:0 7px;border-radius:9px;background:var(--acc);color:var(--on-accent);font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.case-card .cc-h b{font-size:15px}
.case-card .cc-tag{margin-left:auto;font-size:10.5px;font-weight:700;color:var(--acc);background:color-mix(in srgb,var(--acc) 9%,transparent);padding:3px 9px;border-radius:100px}
.case-card p{font-size:13.5px;color:var(--text2);line-height:1.55}
.case-card .cc-res{margin-top:9px;font-size:13px;font-weight:600;color:var(--green2);display:flex;align-items:center;gap:6px}
.kpi-card{display:flex;gap:13px;align-items:center;background:var(--bg2);border:1px solid var(--border);border-radius:11px;padding:12px 16px;margin-bottom:9px}
.kpi-card .kico{width:38px;height:38px;border-radius:10px;background:color-mix(in srgb,var(--acc) 9%,transparent);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.kpi-card .kbody{flex:1;min-width:0}
.kpi-card .kbody b{font-size:14px}
.kpi-card .kbody span{display:block;font-size:12.5px;color:var(--text2);margin-top:1px;line-height:1.45}
.tip{display:flex;gap:11px;background:color-mix(in srgb,var(--green2) 6%,transparent);border:1px solid color-mix(in srgb,var(--green2) 22%,transparent);border-radius:10px;padding:12px 15px;margin-bottom:10px}
.tip .tico{color:var(--green2);font-size:19px;flex-shrink:0}
.tip .tbody{font-size:13.5px;line-height:1.55;color:var(--text2);min-width:0}

/* ---------- Phone: 360 px without horizontal scrolling (story 16) ---------- */
@media(max-width:920px){
  .ws{grid-template-columns:minmax(0,1fr)}
  .pl-sidebar{border-right:none;border-bottom:1px solid var(--border);padding:12px 16px}
  /* Sections collapse into a single toggle row */
  .pl-sec-h{cursor:pointer;margin:0;padding:6px}
  .pl-sec-h .chev{display:inline-block}
  .pl-sidebar:not(.open) .sec-list{display:none}
  .pl-sidebar.open .pl-sec-h .chev{transform:rotate(180deg)}
  /* AI panel — a sheet over the text, opened by a button */
  .ai-box{position:fixed;left:0;right:0;bottom:0;top:auto;margin:0;z-index:120;border-radius:18px 18px 0 0;max-height:85vh;
    transform:translateY(105%);transition:transform .25s ease;box-shadow:0 -12px 40px rgba(15,23,42,.18);padding:16px}
  .ai-box.open{transform:none}
  .ai-box .ai-msg{max-height:45vh}
  .ai-head .ai-close{display:flex}
  .ai-fab{display:flex;position:fixed;right:16px;bottom:18px;z-index:110;align-items:center;gap:8px;padding:12px 16px;border-radius:100px;
    background:var(--accent);color:var(--on-accent);font-weight:700;font-size:13.5px;box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 35%,transparent)}
  .ai-fab i{font-size:19px}
  .pl-main{padding:24px 16px 90px}
  .cards-3{grid-template-columns:1fr}
}
@media(max-width:640px){
  .pl-top{flex-wrap:wrap;gap:10px;padding:12px 16px}
  .mtitle{font-size:14px;order:3;width:100%}
  .mtitle .mic{width:28px;height:28px;font-size:15px}
  .mtrack{font-size:11px;padding:5px 11px}
  .dash-shell{padding:16px 16px 50px}
  .hero-card,.lb-card,.prof-card{padding:20px 18px}
  .hero-card h2{font-size:20px}
  .mod-grid,.sim-list{grid-template-columns:minmax(0,1fr)}
  .stat-box{min-width:0;flex-basis:40%}
  .prof-row{flex-direction:column;gap:2px}
  .prof-row .v{text-align:left}
  .prof-certs{justify-items:start}
  .prof-certs a{align-items:flex-start}
}

/* ============================================================
   SHOWCASE (body.sc) — like the previous index.html
   ============================================================ */
.sc{line-height:1.6}
.sc .wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.sc header.sc-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.sc .hd{display:flex;align-items:center;justify-content:space-between;gap:20px;height:62px}
.sc .brand{display:flex;align-items:center;gap:10px;min-width:0}
.sc .mark{width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font-weight:900;font-size:15px;font-family:'Unbounded',sans-serif;flex-shrink:0}
.sc .brand b{font-family:'Unbounded',sans-serif;font-size:13px;font-weight:700;display:block;line-height:1.25}
.sc .brand span{font-size:10px;color:var(--text3);letter-spacing:.05em;text-transform:uppercase}
.sc .hd nav{display:flex;gap:24px;font-size:12.5px;color:var(--text2)}
.sc .hd nav a:hover{color:var(--text)}
.sc .cta{background:var(--accent);color:var(--on-accent);font-size:12.5px;font-weight:600;padding:9px 17px;border-radius:20px;white-space:nowrap;transition:filter .15s}
.sc .cta:hover{background:var(--navy)}
@media(max-width:820px){.sc .hd nav{display:none}}
.sc .hero{padding:70px 0 58px;text-align:center;position:relative;overflow:hidden}
.sc .hero-photo{position:relative;display:flex;justify-content:center;align-items:flex-end;margin-top:34px}
.sc .hero-photo img{display:block;width:auto;max-width:100%;max-height:290px;filter:drop-shadow(0 24px 40px rgba(15,23,42,.18))}
.sc .hero-photo::after{content:'';position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:64%;height:20px;border-radius:50%;filter:blur(11px);pointer-events:none;
  background:radial-gradient(ellipse,color-mix(in srgb,var(--accent) 22%,transparent),transparent 70%)}
.sc .hero-photo.noimg{display:none}
@media(min-width:980px){
  .sc .hero{display:grid;grid-template-columns:1.45fr .55fr;gap:24px;align-items:end;text-align:left;padding-bottom:0}
  .sc .hero .sub{margin-left:0;margin-right:0}
  .sc .hero .nums{margin-left:0}
  .sc .hero-photo{margin-top:0}
  .sc .hero-photo img{max-height:450px}
}
.sc .hero::before{content:'改善';position:absolute;right:-24px;bottom:-56px;font-size:230px;opacity:.04;font-weight:900;color:var(--accent);pointer-events:none;font-family:'Unbounded',sans-serif}
.sc .eyebrow{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;background:var(--tint);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);border-radius:20px;
  font-size:10.5px;font-weight:600;color:var(--accent);letter-spacing:.07em;text-transform:uppercase;margin-bottom:24px}
.sc .eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--l2)}
.sc h1{font-family:'Unbounded',sans-serif;font-size:clamp(28px,5vw,50px);font-weight:900;letter-spacing:-1.4px;line-height:1.1;margin-bottom:20px;overflow-wrap:anywhere}
.sc h1 em{font-style:normal;color:var(--accent2)}
.sc .sub{font-size:clamp(14px,1.7vw,16px);color:var(--text2);max-width:600px;margin:0 auto 34px;line-height:1.65}
.sc .nums{display:flex;justify-content:center;flex-wrap:wrap;border:1px solid var(--border);border-radius:12px;max-width:660px;margin:0 auto;overflow:hidden;background:var(--bg2)}
.sc .num{flex:1;min-width:130px;padding:18px 14px;border-right:1px solid var(--border)}
.sc .num:last-child{border-right:0}
.sc .num b{display:block;font-family:'JetBrains Mono';font-size:24px;font-weight:700;color:var(--accent)}
.sc .num span{font-size:9.5px;color:var(--text3);letter-spacing:.05em;text-transform:uppercase;margin-top:3px;display:block}
.sc section{padding:66px 0}
.sc .sec-h{text-align:center;margin-bottom:40px}
.sc .sec-h .tag{font-size:10px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text3)}
.sc .sec-h h2{font-family:'Unbounded',sans-serif;font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:-.7px;margin:11px 0 12px}
.sc .sec-h p{color:var(--text2);max-width:560px;margin:0 auto;font-size:14px;line-height:1.65}
.sc .levels{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(290px,100%),1fr));gap:14px}
.sc .lvl{--c:var(--amber);background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:26px 24px;display:flex;flex-direction:column;transition:all .2s;position:relative;overflow:hidden}
.sc .lvl.lv-0{--c:var(--l0)}.sc .lvl.lv-1{--c:var(--l1)}.sc .lvl.lv-2{--c:var(--l2)}
.sc .lvl::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--border);transition:background .2s}
.sc .lvl:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:var(--shadow)}
.sc .lvl:hover::before{background:var(--c)}
.sc .lvl .ic{font-size:26px;line-height:1;margin-bottom:16px}
.sc .lvl h3{font-family:'Unbounded',sans-serif;font-size:17px;font-weight:700}
.sc .lvl .belt{font-family:'JetBrains Mono';font-size:10px;color:var(--c);margin:6px 0 14px;letter-spacing:.07em;text-transform:uppercase}
.sc .lvl .who{font-size:12.5px;color:var(--text2);margin-bottom:16px;min-height:40px;line-height:1.55}
.sc .lvl ul{list-style:none;margin-bottom:20px;flex:1}
.sc .lvl li{font-size:12px;color:var(--text3);padding:5px 0 5px 18px;position:relative;line-height:1.5}
.sc .lvl li::before{content:'';position:absolute;left:2px;top:12px;width:5px;height:5px;border-radius:50%;background:var(--c);opacity:.6}
.sc .lvl .go{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--c);color:var(--on-accent);font-weight:600;font-size:13px;padding:12px;border-radius:10px;width:100%;transition:filter .15s}
.sc .lvl .go:hover{filter:brightness(.88)}
.sc .path{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:8px}
.sc .step,.sc .feat-i{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:20px 18px;position:relative;overflow:hidden;transition:all .2s}
.sc .step::before,.sc .feat-i::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--border);transition:background .2s}
.sc .step:hover,.sc .feat-i:hover{border-color:var(--border2)}
.sc .feat-i:hover::before{background:var(--accent)}
.sc .step .n{font-family:'JetBrains Mono';font-size:10px;color:var(--accent);margin-bottom:10px;display:block;letter-spacing:.05em}
.sc .step h4,.sc .feat-i h4{font-size:13.5px;font-weight:600;margin-bottom:6px}
.sc .step p,.sc .feat-i p{font-size:11.5px;color:var(--text3);line-height:1.55}
.sc .feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:8px}
.sc .feat-i .ic{font-size:22px;margin-bottom:12px;display:block;line-height:1}
.sc .band{background:linear-gradient(135deg,var(--bg2),var(--bg3));border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:48px 0}
.sc .band-in{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.sc .band h3{font-family:'Unbounded',sans-serif;font-size:20px;font-weight:700;letter-spacing:-.4px;margin-bottom:8px}
.sc .band p{color:var(--text2);font-size:13px;max-width:520px;line-height:1.6}
.sc .band .bbtn{background:var(--accent);color:var(--on-accent);font-weight:600;font-size:13px;padding:13px 24px;border-radius:10px;white-space:nowrap}
.sc .mentor{display:grid;grid-template-columns:230px 1fr;gap:34px;align-items:start;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:32px}
.sc .mentor-side{text-align:center}
.sc .mentor-photo{width:180px;height:180px;margin:0 auto 18px;border-radius:50%;overflow:hidden;position:relative;background:var(--bg3);box-shadow:0 0 0 1px var(--border),0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.sc .mentor-photo img{width:100%;height:100%;display:block;object-fit:cover;object-position:50% 0%;transform:scale(1.07)}
.sc .mentor-photo.noimg::after{content:attr(data-initials);position:absolute;inset:0;display:grid;place-items:center;font-family:'Unbounded',sans-serif;font-size:44px;font-weight:900;color:var(--accent);opacity:.4}
.sc .mentor-side b{display:block;font-family:'Unbounded',sans-serif;font-size:15px;font-weight:700;margin-bottom:5px}
.sc .mentor-side span{font-size:11px;color:var(--text3);letter-spacing:.05em;text-transform:uppercase}
.sc .mentor-body{display:grid;gap:22px;min-width:0}
.sc .mgroup h4{font-size:10px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text3);margin-bottom:11px}
.sc .mgroup ul{list-style:none;display:grid;gap:9px}
.sc .mgroup li{position:relative;padding-left:16px;font-size:13px;color:var(--text2);line-height:1.55}
.sc .mgroup li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.65}
.sc .mgroup li b{color:var(--text);font-weight:600}
.sc .mgroup li em{font-style:normal;color:var(--text3);font-size:12px}
.sc .chips{display:flex;flex-wrap:wrap;gap:7px}
.sc .chip{font-size:12px;color:var(--text2);background:var(--bg3);border:1px solid var(--border);border-radius:20px;padding:6px 14px}
@media(max-width:760px){.sc .mentor{grid-template-columns:1fr;gap:26px;padding:26px 20px}.sc .mentor-photo{width:132px;height:132px}}
.sc footer.sc-foot{padding:40px 0 50px;border-top:1px solid var(--border);color:var(--text3);font-size:11.5px}
.sc .ft{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.sc .ft nav{display:flex;gap:18px;flex-wrap:wrap}
.sc .ft nav a:hover{color:var(--text2)}
@media(max-width:480px){.sc .wrap{padding:0 16px}.sc .num{min-width:50%}.sc .num:nth-child(2n){border-right:0}}

/* ============================================================
   SIGN-IN (body.lg) — light card, like the previous login.html
   ============================================================ */
.lg{color:var(--text);background:var(--bg2);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.lg ::selection{background:var(--accent);color:var(--on-accent)}
.lg .wrap{width:100%;max-width:430px}
.lg .brand{text-align:center;margin-bottom:22px}
.lg .brand .w{font-size:30px;font-weight:800;letter-spacing:-.5px;color:var(--text)}
.lg .brand .s{font-size:10px;font-weight:500;letter-spacing:4.5px;color:var(--accent);text-transform:uppercase;margin-top:5px}
.lg .card{background:var(--bg);border:1px solid var(--border);border-radius:14px;padding:26px 24px 24px;box-shadow:var(--shadow)}
.lg h1{font-size:19px;font-weight:700;margin-bottom:6px}
.lg .lead{font-size:14px;color:var(--text2);line-height:1.55;margin-bottom:20px}
.lg label{display:block;font-size:12.5px;font-weight:600;color:var(--text2);margin:0 0 6px;letter-spacing:.2px}
.lg .f{margin-bottom:15px}
.lg input{width:100%;font-family:inherit;font-size:16px;color:var(--text);padding:11px 13px;border:1px solid var(--border2);border-radius:9px;background:var(--bg);transition:border-color .15s}
.lg input:focus{outline:0;border-color:var(--accent2);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 18%,transparent)}
.lg input::placeholder{color:var(--text3)}
.lg #code{text-transform:uppercase;letter-spacing:1.5px;font-weight:600}
.lg .hint{font-size:12px;color:var(--text3);margin-top:5px;line-height:1.45}
.lg .go{width:100%;font-size:15px;font-weight:600;color:var(--on-accent);background:var(--accent);border-radius:9px;padding:13px;margin-top:6px;transition:background .15s}
.lg .go:hover:not(:disabled){background:var(--navy)}
.lg .go:disabled{background:var(--text3);opacity:.6;cursor:default}
.lg .err{font-size:13.5px;color:var(--red);background:color-mix(in srgb,var(--red) 6%,transparent);border:1px solid color-mix(in srgb,var(--red) 25%,transparent);border-radius:9px;padding:10px 12px;margin-bottom:16px;line-height:1.45}
/* Sign-in: the “returning” / “first time” tabs */
.lg .tabs{display:flex;gap:4px;background:var(--bg3);border-radius:10px;padding:4px;margin:6px 0 16px}
.lg .tab{flex:1;font:inherit;font-size:13.5px;font-weight:600;color:var(--text2);background:transparent;border:0;border-radius:7px;padding:9px 6px;cursor:pointer}
.lg .tab[aria-selected="true"]{background:var(--bg);color:var(--accent);box-shadow:0 1px 3px rgba(15,23,42,.10)}
.lg .checking{font-size:14px;color:var(--text2);text-align:center;padding:18px 0}
.lg .foot{text-align:center;font-size:12.5px;color:var(--text2);margin-top:18px;line-height:1.6}
.lg .foot a{color:var(--accent);border-bottom:1px solid color-mix(in srgb,var(--accent) 30%,transparent)}
.lg .foot a:hover{color:var(--navy)}

/* ============================================================
   Shared components for the test, certificate, admin panel and catalog pages (11–13):
   form fields, tables, badges, tabs. Pages do not get their own design systems.
   ============================================================ */

/* ---------- Form field: <label class="field"><span>Label</span><input>…<small>hint</small></label> ---------- */
.field{display:flex;flex-direction:column;gap:6px;min-width:0;margin-bottom:14px}
.field>span,.field>label{font-size:12px;font-weight:600;letter-spacing:.3px;color:var(--text2)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:14px;color:var(--text);
  background:var(--bg);border:1px solid var(--border2);border-radius:var(--r2);padding:11px 13px;
  transition:border-color .15s,box-shadow .15s;min-width:0}
.field textarea{min-height:96px;resize:vertical;line-height:1.5}
.field select{appearance:none;-webkit-appearance:none;padding-right:36px;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--text2) 50%),linear-gradient(135deg,var(--text2) 50%,transparent 50%);
  background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.field select option{background:var(--bg);color:var(--text)}
.field input::placeholder,.field textarea::placeholder{color:var(--text3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent2);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent2) 18%,transparent)}
.field input:disabled,.field select:disabled,.field textarea:disabled{opacity:.5;cursor:not-allowed}
.field small{font-size:12px;color:var(--text3);line-height:1.45}
.field.bad input,.field.bad select,.field.bad textarea{border-color:var(--red)}
.field.bad small{color:var(--red)}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 14px}
.field input[type=checkbox],.field input[type=radio]{width:auto;accent-color:var(--accent)}

/* ---------- Table: a wide one scrolls inside .table-wrap, not the whole page ---------- */
.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--r);background:var(--bg2)}
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text2);
  padding:11px 14px;border-bottom:1px solid var(--border);background:var(--bg3);white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:var(--hover)}
.table .num{text-align:right;font-family:'JetBrains Mono',monospace;white-space:nowrap}
.table .muted{color:var(--text2)}
.table-wrap>.table{border:none}

/* ---------- Badge (status, level, AI) ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;letter-spacing:.4px;line-height:1;
  padding:4px 8px;border-radius:6px;white-space:nowrap;vertical-align:middle;
  color:var(--text2);background:var(--bg3);border:1px solid var(--border)}
.badge i{font-size:13px}
.badge.ok{color:var(--green2);background:color-mix(in srgb,var(--green2) 7%,transparent);border-color:color-mix(in srgb,var(--green2) 30%,transparent)}
.badge.bad{color:var(--red);background:color-mix(in srgb,var(--red) 7%,transparent);border-color:color-mix(in srgb,var(--red) 30%,transparent)}
.badge.warn{color:var(--amber);background:color-mix(in srgb,var(--amber) 7%,transparent);border-color:color-mix(in srgb,var(--amber) 30%,transparent)}
.badge.accent{color:var(--accent);background:var(--tint);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}

/* ---------- Tabs: <div class="tabs"><button class="tab active">…</button>…</div> ---------- */
.tabs{display:flex;gap:4px;padding:4px;margin:14px 0;background:var(--bg2);border:1px solid var(--border);border-radius:12px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{display:inline-flex;align-items:center;gap:7px;flex-shrink:0;font-size:13px;font-weight:600;color:var(--text2);
  padding:8px 14px;border-radius:9px;white-space:nowrap;transition:background .15s,color .15s}
.tab:hover{color:var(--text);background:var(--hover)}
.tab.active{color:var(--on-accent);background:var(--accent);box-shadow:0 4px 12px color-mix(in srgb,var(--accent) 25%,transparent)}
.tab.active .badge{color:var(--on-accent);background:color-mix(in srgb,var(--on-accent) 18%,transparent);border-color:transparent}
.tab-panel{animation:fade .25s ease}

/* ---------- Simulator embedded in a module (as in the previous platform) ---------- */
.sim-embed{border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin:14px 0 22px;background:var(--bg2)}
.sim-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-bottom:1px solid var(--border);font-size:13.5px;font-weight:600}
.sim-head span{display:flex;align-items:center;gap:8px;min-width:0}
.sim-head span b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sim-head i{color:var(--accent)}
.sim-head a{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;flex-shrink:0;
  color:var(--text3);padding:5px 10px;border-radius:8px;border:1px solid var(--border);transition:.15s}
.sim-head a:hover{color:var(--text);border-color:var(--border2)}
.sim-embed iframe{display:block;width:100%;height:720px;border:0;background:var(--bg)}
@media(max-width:920px){.sim-embed iframe{height:min(560px,72vh)}}
/* On a phone the frame is cramped — suggest opening it separately */
@media(max-width:560px){
  .sim-embed iframe{height:min(460px,65vh)}
  .sim-head{flex-wrap:wrap;gap:8px}
  .sim-head a{width:100%;justify-content:center}
  .table th,.table td{padding:9px 10px}
}