:root{
    --ink:#0A0E17;
    --panel:#10151F;
    --panel-2:#141B28;
    --border:#232B3A;
    --border-soft:#1A2130;
    --text:#FFFFFF;
    --text-dim:#C9D2E0;
    --text-faint:#9DA9BD;
    --blue:#4C9EFF;
    --blue-hover:#6fb0ff;
    --blue-dim:rgba(76,158,255,.10);
    --blue-border:rgba(76,158,255,.4);
    --amber:#F0A93A;
    --amber-dim:rgba(240,169,58,.10);
    --green:#4FBF9F;
    --green-dim:rgba(79,191,159,.10);
    --red:#E5626A;
    --red-dim:rgba(229,98,106,.10);
    --surface-sunken:#080B12;
    --btn-ink:#051020;
    --nav-bg:rgba(10,14,23,.82);
    --glow-1:rgba(76,158,255,.07);
    --glow-2:rgba(240,169,58,.05);
    --mono:'IBM Plex Mono', ui-monospace, monospace;
    --sans:'Inter', -apple-system, sans-serif;
    --display:'Big Shoulders Display', var(--sans);
    --radius: 8px;
  }
  html[data-theme="light"]{
    --ink:#F5F7FA;
    --panel:#FFFFFF;
    --panel-2:#EEF1F6;
    --border:#D7DEE8;
    --border-soft:#E4E9F1;
    --text:#000000;
    --text-dim:#333B48;
    --text-faint:#5B6472;
    --blue:#1D4ED8;
    --blue-hover:#2E5FE8;
    --blue-dim:rgba(29,78,216,.08);
    --blue-border:rgba(29,78,216,.35);
    --amber:#A6690A;
    --amber-dim:rgba(166,105,10,.10);
    --green:#1F9C77;
    --green-dim:rgba(31,156,119,.10);
    --red:#D23C46;
    --red-dim:rgba(210,60,70,.10);
    --surface-sunken:#EDF1F6;
    --btn-ink:#FFFFFF;
    --nav-bg:rgba(245,247,250,.86);
    --glow-1:rgba(29,78,216,.05);
    --glow-2:rgba(166,105,10,.04);
  }
  body, nav, .console, .filters, .run-panel, .method-card, .stat, tbody tr, thead th,
  .field input, .addr-value, .addr-btn, .cmd-preview, .console-log, footer, .expand-box,
  .switch .track, .switch .track::before, .segmented button {
    transition: background-color .2s ease, border-color .2s ease, color .2s ease;
  }
  *{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  html{ overflow-x:hidden; }
  body{
    margin:0;
    max-width:100vw;
    overflow-x:hidden;
    background:
      radial-gradient(1200px 600px at 15% -10%, var(--glow-1), transparent 60%),
      radial-gradient(900px 500px at 100% 0%, var(--glow-2), transparent 55%),
      var(--ink);
    color:var(--text);
    font-family:var(--sans);
    -webkit-font-smoothing:antialiased;
    line-height:1.5;
  }
  a{ color:inherit; }
  ::selection{ background:var(--blue-dim); color:var(--text); }
  :focus-visible{ outline:2px solid var(--blue); outline-offset:2px; }

  .wrap{ max-width:1240px; margin:0 auto; padding:0 32px; }
  @media(max-width:720px){ .wrap{ padding:0 18px; } }

  /* ---------- NAV ---------- */
  nav{
    position:sticky; top:0; z-index:50;
    background:var(--nav-bg);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border-soft);
  }
  .nav-inner{ display:flex; align-items:center; justify-content:space-between; height:64px; }
  .brand{ display:flex; align-items:center; gap:10px; font-family:var(--mono); font-weight:600; letter-spacing:.02em; font-size:20.2px; text-decoration:none; color:var(--text); cursor:pointer; }
  .brand .dot{ width:8px; height:8px; border-radius:50%; background:var(--green); box-shadow:0 0 0 3px var(--green-dim); }
  .brand small{ color:var(--text-faint); font-weight:400; margin-left:8px; }
  .nav-links{ display:flex; align-items:center; gap:28px; font-size:18.2px; color:var(--text-dim); }
  .nav-links a{ text-decoration:none; transition:color .15s; }
  .nav-links a:hover{ color:var(--text); }
  .nav-links a.tab-active{ color:var(--blue); }
  .nav-cta{
    font-family:var(--mono); font-size:16.9px; padding:8px 14px; border:1px solid var(--border);
    border-radius:6px; color:var(--text-dim); text-decoration:none; white-space:nowrap;
  }
  .nav-cta:hover{ border-color:var(--blue); color:var(--text); }
  .nav-right{ display:flex; align-items:center; gap:18px; }
  .theme-toggle{
    width:34px; height:34px; display:flex; align-items:center; justify-content:center;
    border:1px solid var(--border); border-radius:6px; background:transparent; color:var(--text-dim);
    cursor:pointer; flex-shrink:0; transition:.15s;
  }
  .theme-toggle:hover{ border-color:var(--blue); color:var(--blue); }
  .theme-toggle .icon-moon{ display:none; }
  html[data-theme="light"] .theme-toggle .icon-sun{ display:none; }
  html[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

  .hamburger-btn{
    display:none; width:34px; height:34px; align-items:center; justify-content:center;
    border:1px solid var(--border); border-radius:6px; background:transparent; cursor:pointer;
    flex-shrink:0; flex-direction:column; gap:4px; transition:.15s;
  }
  .hamburger-btn span{ display:block; width:16px; height:2px; background:var(--text-dim); border-radius:1px; transition:.2s; }
  .hamburger-btn:hover{ border-color:var(--blue); }
  .hamburger-btn:hover span{ background:var(--blue); }
  .hamburger-btn.open span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
  .hamburger-btn.open span:nth-child(2){ opacity:0; }
  .hamburger-btn.open span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

  .mobile-menu{
    display:none; flex-direction:column; background:var(--panel); border-bottom:1px solid var(--border-soft);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
    position:relative; z-index:41;
  }
  .mobile-menu.open{ max-height:400px; }
  .mobile-menu a{
    display:block; padding:16px 24px; font-size:18.2px; color:var(--text-dim); text-decoration:none;
    border-top:1px solid var(--border-soft);
  }
  .mobile-menu a:first-child{ border-top:none; }
  .mobile-menu a.tab-active{ color:var(--blue); }
  .mobile-menu a.mobile-menu-cta{ color:var(--blue); font-family:var(--mono); font-weight:600; }
  .mobile-menu-backdrop{ display:none; position:fixed; inset:64px 0 0 0; background:rgba(0,0,0,.35); z-index:40; }
  .mobile-menu-backdrop.open{ display:block; }

  @media(max-width:820px){
    .nav-links{ display:none; }
    .hamburger-btn{ display:flex; }
    .mobile-menu{ display:flex; }
  }
  @media(max-width:480px){ .brand small{ display:none; } .nav-cta{ display:none; } }

  /* ---------- HERO ---------- */
  .hero{ padding:88px 0 56px; border-bottom:1px solid var(--border-soft); }
  .eyebrow{
    font-family:var(--mono); font-size:16.2px; letter-spacing:.14em; text-transform:uppercase;
    color:var(--amber); display:flex; align-items:center; gap:10px; margin-bottom:22px;
    animation:riseIn .5s ease both;
  }
  .eyebrow::before{ content:''; width:16px; height:1px; background:var(--amber); }
  h1{
    font-family:var(--display); font-weight:800; font-size:clamp(54px,8.6vw,113px);
    line-height:.96; letter-spacing:-.01em; margin:0 0 22px; max-width:15ch;
    animation:riseIn .6s .05s ease both;
  }
  h1 em{ font-style:normal; color:var(--text-faint); }
  .hero-sub{
    font-size:23px; color:var(--text-dim); max-width:58ch; margin:0 0 34px;
    animation:riseIn .6s .1s ease both;
  }
  .hero-sub b{ color:var(--text); font-weight:600; }
  @keyframes riseIn{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:none; } }
  @media (prefers-reduced-motion: reduce){ .eyebrow,h1,.hero-sub,.cmd-line{ animation:none !important; } }

  .cmd-preview{
    font-family:var(--mono); font-size:17.6px; background:var(--surface-sunken); border:1px solid var(--border);
    border-radius:8px; padding:16px 18px; color:var(--text-dim); overflow-x:auto;
    display:flex; align-items:center; gap:10px; margin-bottom:30px; max-width:760px;
  }
  .cmd-preview .prompt{ color:var(--green); flex-shrink:0; }
  .cmd-preview code{ white-space:pre; color:var(--text); }
  .cmd-preview .flag{ color:var(--blue); }
  .cmd-preview .val{ color:var(--amber); }
  .cmd-preview .cursor{ display:inline-block; width:7px; height:14px; background:var(--text-dim); margin-left:2px; animation:blink 1s step-end infinite; vertical-align:-2px; }
  @keyframes blink{ 50%{ opacity:0; } }

  .hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
  .btn{
    font-family:var(--mono); font-size:17.6px; letter-spacing:.03em; text-transform:uppercase;
    padding:13px 22px; border-radius:6px; border:1px solid transparent; cursor:pointer;
    text-decoration:none; display:inline-flex; align-items:center; gap:8px; transition:.15s;
  }
  .btn-primary{ background:var(--blue); color:var(--btn-ink); font-weight:600; }
  .btn-primary:hover{ background:var(--blue-hover); }
  .btn-primary:disabled{ opacity:.5; cursor:not-allowed; }
  .btn-stop{ background:var(--red); color:#fff; font-weight:600; }
  .btn-stop:hover{ background:var(--red); opacity:.85; }
  .btn-ghost{ border-color:var(--border); color:var(--text-dim); background:transparent; }
  .btn-ghost:hover{ border-color:var(--text-dim); color:var(--text); }
  .btn-ghost:disabled{ opacity:.4; cursor:not-allowed; }
  .btn-ghost:disabled:hover{ border-color:var(--border); color:var(--text-dim); }

  /* ---------- STATS STRIP ---------- */
  .stats{ border-bottom:1px solid var(--border-soft); }
  .stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
  .stat{ padding:26px 0; border-left:1px solid var(--border-soft); padding-left:24px; }
  .stat:first-child{ border-left:none; padding-left:0; }
  .stat .k{ font-family:var(--display); font-size:37.8px; font-weight:700; color:var(--text); }
  .stat .v{ font-size:16.9px; color:var(--text-dim); margin-top:4px; max-width:22ch; }
  @media(max-width:820px){ .stats-grid{ grid-template-columns:repeat(2,1fr); row-gap:20px; } .stat:nth-child(3){ border-left:none; padding-left:0; } }

  /* ---------- SECTION LABELS ---------- */
  .section{ padding:64px 0; }
  .section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:28px; flex-wrap:wrap; gap:10px; }
  .section-label{ font-family:var(--mono); font-size:16.2px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint); }

  /* ---------------- landing page ---------------- */
  .landing-hero{ padding:96px 0 72px; text-align:center; }
  .hero-eyebrow{ font-family:var(--mono); font-size:14.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--blue); margin-bottom:18px; }
  .landing-hero h1{ font-size:56px; line-height:1.08; margin:0 auto 22px; letter-spacing:-.01em; max-width:16ch; }
  @media(max-width:720px){ .landing-hero h1{ font-size:36px; } }
  .landing-hero-sub{ font-size:19.8px; color:var(--text-dim); max-width:680px; margin:0 auto 36px; line-height:1.55; }
  .hero-ctas{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:20px; }
  .hero-ctas .btn{ padding:14px 28px; font-size:16.5px; }
  .hero-note{ font-family:var(--mono); font-size:13.5px; color:var(--text-faint); }
  .hero-shot-wrap{ margin-top:56px; border-radius:14px; overflow:hidden; border:1px solid var(--border-soft); box-shadow:0 24px 64px -24px rgba(0,0,0,.35); }
  .hero-shot-wrap img{ display:block; width:100%; height:auto; }

  .feature-row{ display:flex; align-items:center; gap:64px; padding:72px 0; border-top:1px solid var(--border-soft); }
  .feature-row:first-of-type{ border-top:none; }
  .feature-row.reverse{ flex-direction:row-reverse; }
  .feature-text{ flex:0 0 380px; }
  .feature-shot-col{ flex:1; min-width:0; }
  @media(max-width:900px){
    .feature-row, .feature-row.reverse{ flex-direction:column; gap:32px; padding:48px 0; }
    .feature-text{ flex:none; }
  }
  .feature-tag{ font-family:var(--mono); font-size:13px; letter-spacing:.1em; text-transform:uppercase; color:var(--blue); margin-bottom:14px; }
  .feature-text h2{ font-size:30px; line-height:1.2; margin-bottom:14px; }
  .feature-text p{ color:var(--text-dim); font-size:16.5px; line-height:1.65; margin-bottom:20px; }
  .feature-shot{ border-radius:12px; overflow:hidden; border:1px solid var(--border-soft); box-shadow:0 18px 48px -20px rgba(0,0,0,.3); }
  .feature-shot img{ display:block; width:100%; height:auto; }

  .principles{ padding:72px 0; border-top:1px solid var(--border-soft); }
  .principles-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:36px; }
  @media(max-width:820px){ .principles-grid{ grid-template-columns:1fr; } }
  .principle-card{ background:var(--panel); border:1px solid var(--border-soft); border-radius:12px; padding:26px; }
  .principle-card .num{ font-family:var(--mono); color:var(--text-faint); font-size:13px; margin-bottom:10px; }
  .principle-card h3{ font-size:18.5px; margin-bottom:10px; }
  .principle-card p{ color:var(--text-dim); font-size:15px; line-height:1.6; }

  .cta-band{ padding:80px 0; text-align:center; border-top:1px solid var(--border-soft); }
  .cta-band h2{ font-size:32px; margin-bottom:16px; }
  .cta-band p{ color:var(--text-dim); font-size:17px; margin-bottom:28px; }
  .section h2{ font-family:var(--display); font-size:clamp(35px,4.3vw,51px); font-weight:700; margin:6px 0 0; letter-spacing:-.01em; }

  /* ---------------- course viewer ---------------- */
  .course-overlay{ position:fixed; inset:0; background:rgba(5,8,14,.72); backdrop-filter:blur(6px); z-index:900; display:none; align-items:center; justify-content:center; padding:24px; }
  @media(max-width:600px){ .course-overlay{ padding:10px; } }
  .course-overlay.open{ display:flex; }
  .course-modal{ width:100%; max-width:1180px; height:min(86vh,860px); background:var(--ink); border:1px solid var(--border-soft); border-radius:20px; overflow:hidden; display:flex; flex-direction:column; box-shadow:0 40px 120px -30px rgba(0,0,0,.6); perspective:1800px; }
  @media(max-width:600px){ .course-modal{ height:min(94vh,860px); border-radius:14px; } }
  .course-topbar{ display:flex; align-items:center; justify-content:space-between; padding:16px 22px; border-bottom:1px solid var(--border-soft); flex:0 0 auto; }
  @media(max-width:600px){ .course-topbar{ padding:12px 16px; } }
  .course-topbar .brand-mini{ font-family:var(--mono); font-weight:700; letter-spacing:.04em; font-size:15px; }
  .course-topbar .brand-mini small{ font-weight:400; color:var(--text-faint); margin-left:8px; font-size:12.5px; }
  .course-close{ width:32px; height:32px; border-radius:8px; border:1px solid var(--border-soft); background:transparent; color:var(--text-dim); cursor:pointer; display:flex; align-items:center; justify-content:center; font-size:16px; }
  .course-close:hover{ background:var(--surface-sunken); color:var(--text); }
  .course-body{ flex:1 1 auto; display:flex; min-height:0; }
  .course-sidebar{ width:230px; flex:0 0 auto; border-right:1px solid var(--border-soft); padding:16px 10px; overflow-y:auto; }
  @media(max-width:760px){ .course-sidebar{ display:none; } }
  .course-mod-item{ display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px; cursor:pointer; font-size:13.5px; color:var(--text-dim); }
  .course-mod-item:hover{ background:var(--surface-sunken); }
  .course-mod-item.active{ background:var(--surface-sunken); color:var(--text); font-weight:600; }
  .course-mod-item .dot{ width:7px; height:7px; border-radius:50%; background:var(--border-soft); flex:0 0 auto; }
  .course-mod-item.done .dot{ background:var(--green); }
  .course-mod-item.active .dot{ background:var(--blue); }
  .course-stage{ flex:1 1 auto; position:relative; perspective:1600px; display:flex; flex-direction:column; min-height:0; }
  .course-progress-bar{ height:3px; background:var(--surface-sunken); flex:0 0 auto; }
  .course-progress-fill{ height:100%; background:var(--blue); transition:width .4s ease; }
  .course-slide-viewport{ flex:1 1 auto; position:relative; overflow-x:hidden; overflow-y:auto; isolation:isolate; }
  .course-slide{ position:absolute; inset:0; padding:40px 48px; overflow-y:visible; }
  @media(max-width:760px){ .course-slide{ padding:24px; } }
  .course-slide.enter-right{ animation:courseEnterRight .4s cubic-bezier(.2,.8,.2,1) both; pointer-events:none; }
  .course-slide.enter-left{ animation:courseEnterLeft .4s cubic-bezier(.2,.8,.2,1) both; pointer-events:none; }
  .course-slide.leave-left{ animation:courseLeaveLeft .4s cubic-bezier(.2,.8,.2,1) both; pointer-events:none; }
  .course-slide.leave-right{ animation:courseLeaveRight .4s cubic-bezier(.2,.8,.2,1) both; pointer-events:none; }
  @keyframes courseEnterRight{ from{ opacity:0; transform:translateX(40px) rotateY(-10deg); } to{ opacity:1; transform:none; } }
  @keyframes courseEnterLeft{ from{ opacity:0; transform:translateX(-40px) rotateY(10deg); } to{ opacity:1; transform:none; } }
  @keyframes courseLeaveLeft{ from{ opacity:1; transform:none; } to{ opacity:0; transform:translateX(-40px) rotateY(10deg); } }
  @keyframes courseLeaveRight{ from{ opacity:1; transform:none; } to{ opacity:0; transform:translateX(40px) rotateY(-10deg); } }
  @media (prefers-reduced-motion: reduce){ .course-slide{ animation:none !important; } }
  .course-eyebrow{ font-family:var(--mono); font-size:12.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); margin-bottom:10px; }
  .course-slide h2{ font-size:30px; margin-bottom:16px; line-height:1.2; }
  .course-slide h3{ font-size:19px; margin:22px 0 10px; }
  .course-slide p{ color:var(--text-dim); font-size:16px; line-height:1.7; margin-bottom:14px; max-width:70ch; }
  .course-slide ul, .course-slide ol{ color:var(--text-dim); font-size:16px; line-height:1.75; margin:0 0 16px 22px; max-width:68ch; }
  .course-slide li{ margin-bottom:6px; }
  .course-callout{ border:1px solid var(--border-soft); background:var(--panel); border-radius:10px; padding:16px 18px; margin:18px 0; max-width:68ch; }
  .course-callout.warn{ border-color:color-mix(in srgb, var(--amber) 40%, var(--border-soft)); }
  .course-callout.danger{ border-color:color-mix(in srgb, var(--red) 45%, var(--border-soft)); }
  .course-callout b{ color:var(--text); }
  .course-steps{ counter-reset:course-step; list-style:none; margin:0 0 16px; padding:0; max-width:68ch; }
  .course-steps li{ counter-increment:course-step; position:relative; padding:4px 0 18px 40px; color:var(--text-dim); font-size:15.5px; line-height:1.65; }
  .course-steps li::before{ content:counter(course-step); position:absolute; left:0; top:2px; width:26px; height:26px; border-radius:50%; background:var(--blue); color:#fff; font-family:var(--mono); font-size:12.5px; font-weight:700; display:flex; align-items:center; justify-content:center; }
  .course-steps li b{ color:var(--text); }
  .course-device{ perspective:1400px; margin:20px 0; max-width:640px; }
  .course-device-inner{ transform:rotateY(-8deg) rotateX(2deg); border-radius:12px; overflow:hidden; border:1px solid var(--border-soft); box-shadow:0 30px 70px -20px rgba(0,0,0,.5); transition:transform .4s ease; }
  .course-device-inner:hover{ transform:rotateY(0deg) rotateX(0deg); }
  .course-device-inner img{ display:block; width:100%; }
  .course-navrow{ display:flex; align-items:center; justify-content:space-between; padding:14px 24px; border-top:1px solid var(--border-soft); flex:0 0 auto; position:relative; z-index:2; background:var(--ink); }
  .course-navrow .step-count{ font-family:var(--mono); font-size:12.5px; color:var(--text-faint); }

  .course-promo-banner{ position:fixed; right:24px; bottom:24px; z-index:850; max-width:340px; background:var(--panel); border:1px solid var(--border-soft); border-radius:14px; padding:18px 20px; box-shadow:0 20px 50px -18px rgba(0,0,0,.5); display:none; }
  .course-promo-banner.show{ display:block; animation:coursePromoIn .5s cubic-bezier(.2,.8,.2,1) both; }
  @keyframes coursePromoIn{ from{ opacity:0; transform:translateY(16px) scale(.97); } to{ opacity:1; transform:none; } }
  .course-promo-banner .close-x{ position:absolute; top:10px; right:10px; background:none; border:none; color:var(--text-faint); cursor:pointer; font-size:14px; }
  .course-promo-banner .slogan{ font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--blue); margin-bottom:6px; }
  .course-promo-banner h4{ font-size:16.5px; margin-bottom:8px; }
  .course-promo-banner p{ color:var(--text-dim); font-size:13.5px; line-height:1.55; margin-bottom:14px; }
  @media(max-width:500px){ .course-promo-banner{ left:16px; right:16px; max-width:none; } }

  /* ---------- CONSOLE (filters) ---------- */
  .console{
    background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
    overflow:hidden;
  }
  .console-bar{
    display:flex; align-items:center; justify-content:space-between; padding:12px 18px;
    border-bottom:1px solid var(--border-soft); background:var(--panel-2);
  }
  .console-bar .title{ font-family:var(--mono); font-size:16.9px; color:var(--text-dim); letter-spacing:.04em; }
  .console-dots{ display:flex; gap:6px; }
  .console-dots span{ width:9px; height:9px; border-radius:50%; background:var(--border); }
  .console-body{ display:grid; grid-template-columns:1.3fr 1fr; }
  @media(max-width:900px){ .console-body{ grid-template-columns:1fr; } }
  .filters{ padding:26px 28px; border-right:1px solid var(--border-soft); }
  @media(max-width:900px){ .filters{ border-right:none; border-bottom:1px solid var(--border-soft); } }

  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:22px; }
  @media(max-width:520px){ .field-row{ grid-template-columns:1fr; } }
  .pos-action-btns{ display:flex; gap:10px; padding-bottom:2px; }
  @media(max-width:640px){
    .pos-action-btns{ flex-direction:column; width:100%; padding-bottom:0; }
    .pos-action-btns .btn{ width:100%; }
  }
  .field label{
    display:flex; justify-content:space-between; font-family:var(--mono); font-size:15.5px;
    text-transform:uppercase; letter-spacing:.06em; color:var(--text-dim); margin-bottom:9px;
  }
  .field label .val{ color:var(--blue); }
  .field input[type=range]{
    -webkit-appearance:none; width:100%; height:3px; background:var(--border); border-radius:2px; outline:none;
  }
  .field input[type=range]::-webkit-slider-thumb{
    -webkit-appearance:none; width:15px; height:15px; border-radius:50%; background:var(--blue);
    cursor:pointer; border:3px solid var(--btn-ink); box-shadow:0 0 0 1px var(--blue);
  }
  .field input[type=range]::-moz-range-thumb{
    width:15px; height:15px; border-radius:50%; background:var(--blue); cursor:pointer; border:3px solid var(--btn-ink);
  }
  .field input[type=number], .field input[type=text], .field select{
    width:100%; background:var(--surface-sunken); border:1px solid var(--border); color:var(--text);
    font-family:var(--mono); font-size:17.6px; padding:9px 11px; border-radius:6px;
  }
  .field input:focus, .field select:focus{ border-color:var(--blue); }
  .hint{ font-size:14.9px; color:var(--text-faint); margin-top:6px; line-height:1.4; }
  .hint.warn-text{ color:var(--amber); }

  .segmented{ display:flex; background:var(--surface-sunken); border:1px solid var(--border); border-radius:6px; overflow:hidden; }
  .segmented button{
    flex:1; padding:9px 0; background:transparent; border:none; color:var(--text-dim);
    font-family:var(--mono); font-size:16.9px; cursor:pointer; border-right:1px solid var(--border);
    transition:.15s;
  }
  .segmented button:last-child{ border-right:none; }
  .segmented button.active{ background:var(--blue-dim); color:var(--blue); }
  .segmented button:hover:not(.active){ color:var(--text); }
  .segmented button:disabled{ opacity:.35; cursor:not-allowed; }
  .segmented button:disabled:hover{ color:var(--text-dim); }

  #chainSeg, #posChainSeg, #topPosChainSeg{ display:grid; grid-template-columns:repeat(3,1fr); overflow:visible; }
  #chainSeg button, #posChainSeg button, #topPosChainSeg button{ border-right:1px solid var(--border); border-bottom:1px solid var(--border); padding:9px 4px; }
  #chainSeg button:nth-child(3n), #posChainSeg button:nth-child(3n), #topPosChainSeg button:nth-child(3n){ border-right:none; }
  #chainSeg button:nth-child(n+4), #posChainSeg button:nth-child(n+4), #topPosChainSeg button:nth-child(n+4){ border-bottom:none; }
  @media(max-width:420px){
    #chainSeg, #posChainSeg, #topPosChainSeg{ grid-template-columns:repeat(2,1fr); }
    #chainSeg button:nth-child(3n), #posChainSeg button:nth-child(3n), #topPosChainSeg button:nth-child(3n){ border-right:1px solid var(--border); }
    #chainSeg button:nth-child(2n), #posChainSeg button:nth-child(2n), #topPosChainSeg button:nth-child(2n){ border-right:none; }
    #chainSeg button:nth-child(n+5), #posChainSeg button:nth-child(n+5), #topPosChainSeg button:nth-child(n+5){ border-bottom:none; }
  }

  .toggle-row{
    display:flex; align-items:center; justify-content:space-between; padding:14px 0;
    border-top:1px solid var(--border-soft); margin-top:4px;
  }
  .toggle-row .label{ font-size:18.2px; color:var(--text); }
  .toggle-row .desc{ font-size:15.5px; color:var(--text-faint); margin-top:2px; }
  .switch{ position:relative; width:40px; height:22px; flex-shrink:0; }
  .switch input{ opacity:0; width:0; height:0; }
  .switch .track{
    position:absolute; inset:0; background:var(--border); border-radius:999px; cursor:pointer; transition:.15s;
  }
  .switch .track::before{
    content:''; position:absolute; width:16px; height:16px; left:3px; top:3px; background:var(--text-dim);
    border-radius:50%; transition:.15s;
  }
  .switch input:checked + .track{ background:var(--amber-dim); border:1px solid var(--amber); }
  .switch input:checked + .track::before{ transform:translateX(17px); background:var(--amber); }

  .range-reveal{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
  .range-reveal.open{ max-height:120px; }

  .advanced-toggle{
    font-family:var(--mono); font-size:15.5px; color:var(--text-dim); background:none; border:none;
    cursor:pointer; padding:0; margin-top:6px; text-decoration:underline; text-underline-offset:3px;
  }
  .advanced{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
  .advanced.open{ max-height:400px; margin-top:20px; }
  #filtersPanel.open{ max-height:2000px; }

  .run-panel{ padding:26px 28px; display:flex; flex-direction:column; }
  .console-log{
    flex:1; background:var(--surface-sunken); border:1px solid var(--border-soft); border-radius:6px;
    padding:14px 16px; font-family:var(--mono); font-size:16.2px; color:var(--text-dim);
    min-height:220px; max-height:320px; overflow-y:auto; margin-top:16px; line-height:1.65;
  }
  .console-log .ln{ white-space:pre-wrap; word-break:break-word; }
  .console-log .ok{ color:var(--green); }
  .console-log .warn{ color:var(--amber); }
  .console-log .err{ color:var(--red); }
  .console-log .dim{ color:var(--text-faint); }

  /* ---------- RESULTS ---------- */
  .results-toolbar{ display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; flex-wrap:wrap; gap:10px; }
  .results-count{ font-family:var(--mono); font-size:16.2px; color:var(--text-faint); }
  .table-scroll{ overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius); }
  table{ width:100%; border-collapse:collapse; min-width:920px; }
  thead th{
    text-align:left; font-family:var(--mono); font-size:14.9px; text-transform:uppercase; letter-spacing:.06em;
    color:var(--text-faint); padding:13px 16px; background:var(--panel-2); border-bottom:1px solid var(--border);
    cursor:pointer; user-select:none; white-space:nowrap;
  }
  thead th:hover{ color:var(--text-dim); }
  thead th.sorted{ color:var(--blue); }
  tbody td{ padding:14px 16px; border-bottom:1px solid var(--border-soft); font-size:18.2px; vertical-align:middle; }
  tbody tr:last-child td{ border-bottom:none; }
  tbody tr{ background:var(--panel); transition:background .1s; }
  tbody tr:hover{ background:var(--panel-2); }
  .pair{ font-family:var(--mono); font-weight:600; color:var(--text); }
  .pair .addr{ display:block; font-size:14.2px; color:var(--text-faint); font-weight:400; margin-top:2px; }
  .ver-tag{ font-family:var(--mono); font-size:14.2px; padding:2px 7px; border-radius:4px; border:1px solid var(--border); color:var(--text-dim); }
  .ver-tag.v4{ border-color:var(--blue-border); color:var(--blue); }
  .num{ font-family:var(--mono); }
  .mag-cell{ position:relative; min-width:110px; }
  .mag-bar{ position:absolute; left:0; top:2px; bottom:2px; background:var(--blue-dim); border-radius:3px; z-index:0; }
  .mag-text{ position:relative; z-index:1; padding-left:6px; }
  .risk{ display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:14.9px; text-transform:uppercase; letter-spacing:.03em; }
  .risk .dot{ width:7px; height:7px; border-radius:50%; }
  .risk.low .dot{ background:var(--green); } .risk.low{ color:var(--green); }
  .risk.med .dot{ background:var(--amber); } .risk.med{ color:var(--amber); }
  .risk.high .dot{ background:var(--red); } .risk.high{ color:var(--red); }
  .risk.unk .dot{ background:var(--text-faint); } .risk.unk{ color:var(--text-faint); }
  .empty-state{ padding:60px 20px; text-align:center; color:var(--text-faint); font-family:var(--mono); font-size:17.6px; }

  .expand-box{
    width:22px; height:22px; display:flex; align-items:center; justify-content:center;
    border:1px solid var(--border); border-radius:5px; background:var(--surface-sunken); color:var(--text-dim);
    font-family:var(--mono); font-size:17.6px; line-height:1; cursor:pointer; user-select:none; transition:.15s;
  }
  .expand-box:hover{ border-color:var(--blue); color:var(--blue); }
  .expand-box.open{ border-color:var(--amber); color:var(--amber); background:var(--amber-dim); }
  tr.detail-row{ display:none; }
  tr.detail-row.open{ display:table-row; }
  tr.detail-row td{ background:var(--surface-sunken); padding:0; border-bottom:1px solid var(--border-soft); }
  .addr-panel{ padding:16px 16px 18px 54px; display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:14px; }
  .addr-item .addr-label{ font-family:var(--mono); font-size:13.5px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-faint); margin-bottom:5px; }
  .addr-row{ display:flex; align-items:center; gap:8px; }
  .addr-value{ font-family:var(--mono); font-size:16.2px; color:var(--text); background:var(--surface-sunken); border:1px solid var(--border-soft); border-radius:5px; padding:6px 9px; overflow-x:auto; white-space:nowrap; flex:1; }
  .addr-btn{ flex-shrink:0; width:26px; height:26px; display:flex; align-items:center; justify-content:center; border:1px solid var(--border); border-radius:5px; background:var(--surface-sunken); color:var(--text-dim); cursor:pointer; text-decoration:none; font-size:16.2px; transition:.15s; }
  .addr-btn:hover{ border-color:var(--blue); color:var(--blue); }

  .create-pos-toggle{
    grid-column:1 / -1; cursor:pointer; user-select:none; font-family:var(--mono); font-size:15.5px;
    color:var(--blue); padding-top:6px; border-top:1px solid var(--border-soft); margin-top:2px;
  }
  .create-pos-toggle:hover{ text-decoration:underline; }
  @media(max-width:720px){
    .addr-panel{ padding-left:16px; }
  }
  .addr-btn.copied{ border-color:var(--green); color:var(--green); }

  .col-note{ font-weight:400; text-transform:none; letter-spacing:0; color:var(--text-faint); display:block; font-size:13.5px; margin-top:2px; }
  .low-sample{ display:inline-block; margin-left:8px; font-family:var(--mono); font-size:13.5px; padding:2px 6px; border-radius:4px; border:1px solid var(--amber); color:var(--amber); background:var(--amber-dim); text-transform:uppercase; letter-spacing:.04em; }

  .earn-stack{ display:flex; flex-direction:column; gap:2px; line-height:1.35; }
  .earn-primary{ font-family:var(--mono); font-size:18.2px; color:var(--text); }
  .earn-primary .unit{ color:var(--text-faint); font-size:13.5px; margin-left:2px; }
  .earn-window{ font-family:var(--mono); font-size:14.2px; color:var(--text-faint); }
  .earn-window b{ color:var(--text-dim); font-weight:600; }

  /* ---------- METHODOLOGY ---------- */
  .method-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
  @media(max-width:980px){ .method-grid{ grid-template-columns:repeat(2,1fr); } }
  @media(max-width:600px){ .method-grid{ grid-template-columns:1fr; } }
  .method-card{ background:var(--panel); padding:26px; }
  .method-card .idx{ font-family:var(--mono); font-size:14.9px; color:var(--amber); margin-bottom:14px; }
  .method-card h3{ font-family:var(--display); font-size:25.7px; font-weight:700; margin:0 0 10px; }
  .method-card p{ font-size:18.2px; color:var(--text-dim); margin:0; }
  .method-card code{ font-family:var(--mono); font-size:16.2px; background:var(--surface-sunken); padding:1px 6px; border-radius:4px; color:var(--blue); }

  /* ---------- FOOTER ---------- */
  footer{ border-top:1px solid var(--border-soft); padding:36px 0; }
  .footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px; }
  .footer-note{ font-size:16.2px; color:var(--text-faint); max-width:60ch; line-height:1.6; }
  .footer-links{ display:flex; gap:20px; font-family:var(--mono); font-size:16.2px; color:var(--text-dim); }
  .footer-links a{ text-decoration:none; } .footer-links a:hover{ color:var(--text); }

/* ---------- SEO page additions (reuse existing tokens, no new colors) ---------- */
.breadcrumbs{ font-family:var(--mono); font-size:13.5px; color:var(--text-faint); padding:20px 0 0; }
.breadcrumbs a{ color:var(--text-faint); text-decoration:none; }
.breadcrumbs a:hover{ color:var(--blue); }
.breadcrumbs span{ margin:0 6px; }

.alert-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:32px; }
@media(max-width:900px){ .alert-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:600px){ .alert-grid{ grid-template-columns:1fr; } }
.alert-card{ background:var(--panel); border:1px solid var(--border-soft); border-radius:12px; padding:22px; text-decoration:none; display:block; transition:border-color .15s; }
.alert-card:hover{ border-color:var(--blue-border); }
.alert-card .tag{ font-family:var(--mono); font-size:12.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--amber); margin-bottom:10px; }
.alert-card h3{ font-size:18px; color:var(--text); margin:0 0 8px; line-height:1.3; }
.alert-card p{ font-size:14.5px; color:var(--text-dim); line-height:1.55; margin:0; }

.faq-list{ margin-top:24px; max-width:74ch; }
.faq-item{ border-bottom:1px solid var(--border-soft); padding:22px 0; }
.faq-item:first-child{ padding-top:0; }
.faq-item h3{ font-size:18px; margin:0 0 10px; color:var(--text); }
.faq-item p{ font-size:15.5px; color:var(--text-dim); line-height:1.65; margin:0; }

.prose{ max-width:74ch; }
.prose p{ font-size:16.5px; color:var(--text-dim); line-height:1.7; margin:0 0 18px; }
.prose h2{ font-family:var(--display); font-size:clamp(28px,3.2vw,38px); font-weight:700; margin:44px 0 16px; letter-spacing:-.01em; color:var(--text); }
.prose h2:first-child{ margin-top:0; }
.prose ul{ color:var(--text-dim); font-size:16.5px; line-height:1.75; padding-left:22px; margin:0 0 18px; }
.prose li{ margin-bottom:8px; }
.prose code{ font-family:var(--mono); font-size:14.5px; background:var(--surface-sunken); padding:1px 6px; border-radius:4px; color:var(--blue); }
.prose strong{ color:var(--text); }

.cta-band{ background:var(--panel); border:1px solid var(--border-soft); border-radius:14px; padding:40px 36px; margin:48px 0; text-align:center; }
.cta-band h2{ font-family:var(--display); font-size:clamp(24px,3vw,32px); margin:0 0 10px; }
.cta-band p{ color:var(--text-dim); font-size:15.5px; margin:0 0 22px; }

.related-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:20px; }
@media(max-width:900px){ .related-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:520px){ .related-grid{ grid-template-columns:1fr; } }
.related-grid a{ font-family:var(--mono); font-size:13.5px; color:var(--text-dim); text-decoration:none; padding:12px 14px; border:1px solid var(--border-soft); border-radius:8px; display:block; }
.related-grid a:hover{ border-color:var(--blue-border); color:var(--text); }