/* ============================= TOKENS ============================= */
  :root{
    --bg:#EEF0EC;
    --surface:#FFFFFF;
    --surface-2:#E4E7DF;
    --ink:#14120F;
    --ink-soft:#57544C;
    --ink-faint:#8A8578;
    --line:#D6D9D1;
    --binary:#0E7490;
    --biceps:#B0173A;
    --gold:#8A6215;
    --gold-strong:#A6791C;
    --shadow: 0 1px 2px rgba(20,18,15,0.06), 0 8px 24px -12px rgba(20,18,15,0.18);
    --radius: 3px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#131110;
      --surface:#1E1C19;
      --surface-2:#242119;
      --ink:#F1EEE6;
      --ink-soft:#ACA69A;
      --ink-faint:#726C60;
      --line:#332F29;
      --binary:#22D3EE;
      --biceps:#FB4B67;
      --gold:#F2C14E;
      --gold-strong:#F2C14E;
      --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px -16px rgba(0,0,0,0.6);
    }
  }
  :root[data-theme="dark"]{
    --bg:#131110;
    --surface:#1E1C19;
    --surface-2:#242119;
    --ink:#F1EEE6;
    --ink-soft:#ACA69A;
    --ink-faint:#726C60;
    --line:#332F29;
    --binary:#22D3EE;
    --biceps:#FB4B67;
    --gold:#F2C14E;
    --gold-strong:#F2C14E;
    --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 12px 32px -16px rgba(0,0,0,0.6);
  }

  /* hero has its own permanent dark stage, independent of theme */
  :root{
    --hero-binary-bg:#0A1A1F;
    --hero-biceps-bg:#1A0A0E;
    --hero-cyan:#22D3EE;
    --hero-crimson:#FF5C79;
    --hero-gold:#F2C14E;
    --hero-paper:#F1EEE6;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
  }
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"Archivo", ui-sans-serif, system-ui, sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3{ font-family:"Instrument Serif", Georgia, "Times New Roman", serif; font-weight:400; text-wrap:balance; margin:0; }
  p{ margin:0; }
  a{ color:inherit; }
  ::selection{ background:var(--gold); color:#14120F; }
  :focus-visible{ outline:2px solid var(--gold-strong); outline-offset:3px; }

  .mono{ font-family:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace; font-variant-numeric:tabular-nums; }
  .eyebrow{
    font-family:"JetBrains Mono", monospace;
    font-size:0.72rem;
    letter-spacing:0.16em;
    text-transform:uppercase;
    color:var(--ink-faint);
    display:flex; align-items:center; gap:0.6em;
  }
  .eyebrow::before{ content:""; width:1.4em; height:1px; background:var(--line); display:inline-block; }

  .wrap{ max-width:1180px; margin:0 auto; padding-inline:clamp(20px,5vw,56px); }
  section{ position:relative; }

  /* reveal-on-scroll — visible by default (no-JS/slow-JS/crawlers all see full content);
     JS opts sections into the hidden "pending" state only once it can also reveal them. */
  .reveal{ opacity:1; transform:none; }
  .reveal.reveal-pending{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.is-visible{ opacity:1; transform:none; }

  /* ============================= NAV ============================= */
  .nav{
    position:sticky; top:0; z-index:50;
    background:color-mix(in srgb, var(--bg) 86%, transparent);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{ display:flex; align-items:center; justify-content:space-between; padding-block:14px; }
  .brand{ display:flex; align-items:baseline; gap:2px; font-family:"JetBrains Mono", monospace; font-weight:700; font-size:0.95rem; letter-spacing:0.02em; text-decoration:none; }
  .brand b{ color:var(--binary); }
  .brand i{ font-style:italic; font-family:"Instrument Serif", serif; color:var(--ink-faint); font-weight:400; padding-inline:2px; }
  .brand em{ font-style:normal; color:var(--biceps); }
  .nav-links{ display:flex; gap:clamp(14px,2.4vw,30px); list-style:none; margin:0; padding:0; font-size:0.86rem; }
  .nav-links a{ text-decoration:none; color:var(--ink-soft); position:relative; padding-block:4px; }
  .nav-links a:hover{ color:var(--ink); }
  .nav-links a::after{ content:""; position:absolute; left:0; right:0; bottom:-2px; height:1px; background:var(--gold-strong); transform:scaleX(0); transition:transform .25s ease; }
  .nav-links a:hover::after{ transform:scaleX(1); }
  .nav-cta{
    font-family:"JetBrains Mono", monospace; font-size:0.78rem; font-weight:700; letter-spacing:0.02em;
    border:1px solid var(--ink); color:var(--ink); text-decoration:none; padding:8px 14px; border-radius:var(--radius);
    transition:background .2s ease, color .2s ease;
    white-space:nowrap;
  }
  .nav-cta:hover{ background:var(--ink); color:var(--bg); }
  @media (max-width:720px){ .nav-links{ display:none; } }

  /* ============================= HERO ============================= */
  .hero{
    position:relative; min-height:min(92vh,860px); display:grid; place-items:center;
    overflow:hidden; isolation:isolate; color:var(--hero-paper);
  }
  .hero-panel{ position:absolute; inset:-2px; }
  .hero-panel--binary{
    background:
      repeating-linear-gradient(0deg, rgba(34,211,238,0.07) 0 1px, transparent 1px 34px),
      repeating-linear-gradient(90deg, rgba(34,211,238,0.05) 0 1px, transparent 1px 34px),
      radial-gradient(120% 100% at 10% 0%, rgba(34,211,238,0.18), transparent 60%),
      var(--hero-binary-bg);
    clip-path:polygon(0 0, 58% 0, 42% 100%, 0 100%);
  }
  .hero-panel--biceps{
    background:
      radial-gradient(60% 50% at 80% 20%, rgba(255,92,121,0.30), transparent 65%),
      radial-gradient(50% 40% at 60% 85%, rgba(255,92,121,0.20), transparent 70%),
      var(--hero-biceps-bg);
    clip-path:polygon(58% 0,100% 0,100% 100%,42% 100%);
  }
  .hero-seam{
    position:absolute; top:0; bottom:0; left:calc(50% - 1px); width:2px;
    background:linear-gradient(180deg, transparent, var(--hero-gold) 20%, var(--hero-gold) 80%, transparent);
    transform:translateX(-8%) rotate(9deg); transform-origin:top;
    opacity:.75;
  }
  .hero-content{ position:relative; z-index:2; text-align:center; padding:clamp(90px,14vh,140px) 20px 60px; max-width:920px; }
  .hero-kicker{ font-family:"JetBrains Mono",monospace; font-size:0.78rem; letter-spacing:0.22em; text-transform:uppercase; color:var(--hero-gold); margin-bottom:22px; }
  .hero-word{
    font-size:clamp(2.6rem, 9vw, 6.2rem); line-height:0.98; margin:0; letter-spacing:-0.01em;
  }
  .hero-word .b1{ font-family:"JetBrains Mono",monospace; font-weight:700; color:var(--hero-cyan); letter-spacing:-0.01em; }
  .hero-word .amp{ font-family:"Instrument Serif",serif; font-style:italic; color:var(--hero-gold); padding-inline:0.08em; }
  .hero-word .b2{ font-family:"Instrument Serif",serif; font-style:italic; font-weight:400; color:var(--hero-crimson); }
  .hero-sub{ margin:28px auto 0; max-width:52ch; font-size:1.05rem; color:color-mix(in srgb, var(--hero-paper) 82%, transparent); }
  .hero-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:38px; }
  .btn{
    font-family:"JetBrains Mono",monospace; font-size:0.82rem; font-weight:700; letter-spacing:0.02em;
    padding:13px 22px; border-radius:var(--radius); text-decoration:none; display:inline-flex; align-items:center; gap:8px;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  }
  .btn:hover{ transform:translateY(-2px); }
  .btn-solid{ background:var(--hero-gold); color:#1A1305; }
  .btn-solid:hover{ box-shadow:0 10px 26px -10px rgba(242,193,78,0.55); }
  .btn-ghost{ border:1px solid rgba(241,238,230,0.4); color:var(--hero-paper); }
  .btn-ghost:hover{ background:rgba(241,238,230,0.1); }
  .hero-meta{
    position:absolute; z-index:2; bottom:22px; left:0; right:0; display:flex; justify-content:center;
    font-family:"JetBrains Mono",monospace; font-size:0.7rem; letter-spacing:0.14em; text-transform:uppercase;
    color:color-mix(in srgb, var(--hero-paper) 55%, transparent); gap:2em;
  }

  /* ============================= SECTION HEADS ============================= */
  .section-head{ display:flex; flex-direction:column; gap:14px; margin-bottom:44px; max-width:62ch; }
  .section-title{ font-size:clamp(1.9rem,3.4vw,2.7rem); }
  .section-title .accent-binary{ color:var(--binary); font-family:"JetBrains Mono",monospace; font-style:normal; font-size:0.62em; vertical-align:middle; }
  .section-title em{ color:var(--biceps); font-style:italic; }
  .section-dek{ color:var(--ink-soft); font-size:1.02rem; max-width:56ch; }

  /* ============================= ABOUT ============================= */
  .about{ padding-block:clamp(70px,10vw,120px); border-bottom:1px solid var(--line); }
  .about-grid{ display:grid; grid-template-columns:1.15fr 1fr; gap:clamp(30px,5vw,70px); align-items:start; }
  @media (max-width:840px){ .about-grid{ grid-template-columns:1fr; } }
  .about-copy p{ font-size:1.08rem; color:var(--ink-soft); margin-bottom:1.1em; }
  .about-copy p:last-child{ margin-bottom:0; }
  .about-copy strong{ color:var(--ink); font-weight:600; }
  .terminal{
    background:#0E0D0B; color:#D8F7EE; border-radius:6px; overflow:hidden; box-shadow:var(--shadow);
    font-family:"JetBrains Mono",monospace; font-size:0.84rem;
  }
  .terminal-bar{ display:flex; gap:7px; padding:11px 14px; background:rgba(255,255,255,0.06); }
  .terminal-bar span{ width:10px; height:10px; border-radius:50%; background:rgba(255,255,255,0.18); }
  .terminal-body{ padding:20px 20px 24px; line-height:1.85; }
  .terminal-body .prompt{ color:#4FE3C1; }
  .terminal-body .key{ color:#9FD8FF; }
  .terminal-body .val{ color:#F1EEE6; }
  .terminal-body .cursor{ display:inline-block; width:8px; height:1em; background:#F2C14E; vertical-align:text-bottom; animation:blink 1.1s steps(1) infinite; margin-left:2px; }
  @keyframes blink{ 50%{ opacity:0; } }

  /* ============================= CHALLENGE ============================= */
  .challenge{
    padding-block:clamp(70px,10vw,120px);
    background:
      radial-gradient(80% 60% at 15% -10%, color-mix(in srgb, var(--binary) 12%, transparent), transparent 60%),
      radial-gradient(70% 50% at 100% 110%, color-mix(in srgb, var(--biceps) 12%, transparent), transparent 60%);
    border-bottom:1px solid var(--line);
  }
  .challenge-card{
    background:var(--surface); border:1px solid var(--line); border-radius:8px; box-shadow:var(--shadow);
    padding:clamp(26px,4vw,48px); position:relative; overflow:hidden;
  }
  .challenge-card::before{
    content:""; position:absolute; top:0; left:0; right:0; height:3px;
    background:linear-gradient(90deg, var(--binary), var(--gold-strong) 50%, var(--biceps));
  }
  .challenge-top{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:18px; align-items:flex-start; margin-bottom:30px; }
  .challenge-tag{ font-family:"JetBrains Mono",monospace; font-size:0.72rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--biceps); }
  .challenge-title{ font-size:clamp(1.7rem,3vw,2.3rem); margin-top:6px; }
  .challenge-title .amt{ font-family:"JetBrains Mono",monospace; font-style:normal; color:var(--gold-strong); }
  .countdown{ display:flex; gap:14px; }
  .countdown div{ text-align:center; }
  .countdown .num{ font-family:"JetBrains Mono",monospace; font-weight:700; font-size:1.7rem; line-height:1; color:var(--ink); }
  .countdown .lbl{ font-family:"JetBrains Mono",monospace; font-size:0.62rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-faint); margin-top:4px; }

  .progress-rail{ height:14px; border-radius:99px; background:var(--surface-2); overflow:hidden; border:1px solid var(--line); }
  .progress-fill{ height:100%; border-radius:99px; background:linear-gradient(90deg, var(--binary), var(--gold-strong) 60%, var(--biceps)); width:0%; transition:width 1.1s cubic-bezier(.16,1,.3,1); }
  .progress-labels{ display:flex; justify-content:space-between; margin-top:10px; font-family:"JetBrains Mono",monospace; font-size:0.82rem; color:var(--ink-soft); }
  .progress-labels b{ color:var(--ink); font-weight:700; }

  .challenge-stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); margin-top:32px; border-radius:6px; overflow:hidden; }
  .challenge-stats div{ background:var(--surface); padding:18px 16px; }
  .challenge-stats .n{ font-family:"JetBrains Mono",monospace; font-weight:700; font-size:1.35rem; }
  .challenge-stats .l{ font-family:"JetBrains Mono",monospace; font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-faint); margin-top:4px; }
  @media (max-width:600px){ .challenge-stats{ grid-template-columns:1fr 1fr; } }

  .challenge-rules{ margin-top:32px; padding-top:26px; border-top:1px dashed var(--line); color:var(--ink-soft); font-size:0.96rem; }
  .challenge-rules b{ color:var(--ink); }

  /* ============================= COMMUNITY / JOIN & TRACK ============================= */
  .community{ padding-block:clamp(70px,10vw,120px); border-bottom:1px solid var(--line); }
  .wall-status{
    display:inline-flex; align-items:center; gap:8px; font-size:0.74rem; letter-spacing:0.06em; text-transform:uppercase;
    color:var(--ink-faint); border:1px solid var(--line); border-radius:99px; padding:6px 12px 6px 10px; margin-bottom:18px;
  }
  .wall-status .dot{ width:7px; height:7px; border-radius:50%; background:var(--ink-faint); flex:none; }
  .wall-status.state-live .dot{ background:#2E9E5B; box-shadow:0 0 0 3px rgba(46,158,91,0.18); }
  .wall-status.state-live{ color:#2E9E5B; border-color:rgba(46,158,91,0.3); }
  .wall-status.state-demo .dot{ background:var(--gold-strong); }
  .wall-status.state-demo{ color:var(--gold-strong); border-color:color-mix(in srgb, var(--gold-strong) 40%, var(--line)); }
  .wall-status.state-error .dot{ background:var(--biceps); }
  .wall-status.state-error{ color:var(--biceps); border-color:color-mix(in srgb, var(--biceps) 30%, var(--line)); }
  .demo-banner{
    font-size:0.88rem; color:var(--ink-soft); background:var(--surface-2); border:1px dashed var(--line);
    border-radius:6px; padding:12px 16px; margin-bottom:28px; display:none;
  }
  .demo-banner.is-visible{ display:block; }

  .join-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-bottom:56px; }
  @media (max-width:820px){ .join-grid{ grid-template-columns:1fr; } }
  .join-card{ background:var(--surface); border:1px solid var(--line); border-radius:8px; padding:clamp(22px,3vw,32px); }
  .join-card h3{ font-size:1.4rem; margin-bottom:6px; }
  .join-card .join-dek{ color:var(--ink-soft); font-size:0.9rem; margin-bottom:20px; }
  .field{ margin-bottom:16px; }
  .field label{
    display:block; font-family:"JetBrains Mono",monospace; font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--ink-faint); margin-bottom:6px;
  }
  .field input, .field textarea{
    width:100%; background:transparent; border:none; border-bottom:1px solid var(--line); color:var(--ink);
    font-family:"Archivo",sans-serif; font-size:0.98rem; padding:8px 2px; transition:border-color .2s ease;
  }
  .field input:focus, .field textarea:focus{ outline:none; border-color:var(--gold-strong); }
  .field textarea{ resize:vertical; min-height:64px; font-family:"Archivo",sans-serif; }
  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .hp-field{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
  .form-msg{ font-family:"JetBrains Mono",monospace; font-size:0.78rem; margin-top:12px; min-height:1.2em; }
  .form-msg.ok{ color:#2E9E5B; }
  .form-msg.err{ color:var(--biceps); }
  .form-msg.pending{ color:var(--ink-faint); }

  .wall-head{ display:flex; justify-content:space-between; align-items:baseline; gap:16px; margin-bottom:18px; flex-wrap:wrap; }
  .wall-head h3{ font-size:1.3rem; }
  .wall-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:32px; }
  @media (max-width:900px){ .wall-grid{ grid-template-columns:1fr; } }

  .leaderboard{ display:flex; flex-direction:column; gap:10px; }
  .participant-row{
    display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:14px;
    background:var(--surface); border:1px solid var(--line); border-radius:6px; padding:12px 16px;
  }
  .participant-rank{ font-family:"JetBrains Mono",monospace; font-weight:700; color:var(--ink-faint); font-size:0.85rem; width:1.6em; text-align:center; }
  .participant-main{ min-width:0; }
  .participant-name{ font-weight:600; font-size:0.98rem; }
  .participant-bar{ height:6px; border-radius:99px; background:var(--surface-2); overflow:hidden; margin-top:6px; }
  .participant-bar span{ display:block; height:100%; background:linear-gradient(90deg,var(--binary),var(--gold-strong)); }
  .participant-pct{ font-family:"JetBrains Mono",monospace; font-size:0.85rem; font-weight:700; white-space:nowrap; }
  .wall-empty{ color:var(--ink-faint); font-size:0.9rem; font-style:italic; }

  .feed{ display:flex; flex-direction:column; gap:14px; max-height:420px; overflow-y:auto; padding-right:4px; }
  .feed-item{ border-left:2px solid var(--line); padding-left:14px; }
  .feed-item .feed-top{ display:flex; justify-content:space-between; gap:10px; font-family:"JetBrains Mono",monospace; font-size:0.72rem; color:var(--ink-faint); margin-bottom:4px; }
  .feed-item .feed-name{ color:var(--ink); font-weight:700; }
  .feed-item p{ font-size:0.92rem; color:var(--ink-soft); }

  /* ============================= CARD GRIDS (logs) ============================= */
  .logs{ padding-block:clamp(70px,10vw,120px); border-bottom:1px solid var(--line); }
  .log-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
  @media (max-width:900px){ .log-grid{ grid-template-columns:1fr 1fr; } }
  @media (max-width:620px){ .log-grid{ grid-template-columns:1fr; } }

  .log-card{
    background:var(--surface); border:1px solid var(--line); border-radius:8px; overflow:hidden;
    display:flex; flex-direction:column; transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .log-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:color-mix(in srgb, var(--ink) 20%, var(--line)); }
  .log-art{ height:150px; position:relative; overflow:hidden; }
  .log-body{ padding:20px 22px 24px; display:flex; flex-direction:column; gap:10px; flex:1; }
  .log-date{ font-family:"JetBrains Mono",monospace; font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-faint); }
  .log-title{ font-size:1.32rem; }
  .log-excerpt{ color:var(--ink-soft); font-size:0.92rem; flex:1; }
  .log-tag{ font-family:"JetBrains Mono",monospace; font-size:0.72rem; font-weight:700; letter-spacing:0.03em; display:inline-flex; align-items:center; gap:6px; margin-top:4px; }

  /* travel art: route line */
  .art-travel-1{ background:linear-gradient(135deg,#0E7490 0%,#0B4C63 100%); }
  .art-travel-2{ background:linear-gradient(135deg,#155E75 0%,#0A2E38 100%); }
  .art-travel-3{ background:linear-gradient(135deg,#0891B2 0%,#0E4A57 100%); }
  .art-office-1{ background:linear-gradient(135deg,#B0173A 0%,#5C0C1F 100%); }
  .art-office-2{ background:linear-gradient(135deg,#8F1230 0%,#3D0714 100%); }
  .art-office-3{ background:linear-gradient(135deg,#C2255C 0%,#590A29 100%); }
  .log-art svg{ position:absolute; inset:0; width:100%; height:100%; }

  /* ============================= CODE / TERMINAL SECTION ============================= */
  /* This section is a fixed dark "terminal stage" in both themes, like the hero. */
  .code-section{ padding-block:clamp(70px,10vw,120px); background:#0E0D0B; color:#F1EEE6; }
  .code-section .section-dek{ color:rgba(241,238,230,0.7); }
  .code-section .eyebrow{ color:rgba(241,238,230,0.55); }
  .code-section .eyebrow::before{ background:rgba(241,238,230,0.28); }
  .code-grid{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
  @media (max-width:820px){ .code-grid{ grid-template-columns:1fr; } }
  .code-card{ background:#171512; border:1px solid rgba(255,255,255,0.08); border-radius:8px; overflow:hidden; }
  .code-card-bar{ display:flex; align-items:center; justify-content:space-between; padding:12px 16px; border-bottom:1px solid rgba(255,255,255,0.08); }
  .code-card-bar .dots{ display:flex; gap:6px; }
  .code-card-bar .dots span{ width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,0.16); }
  .code-card-bar .fname{ font-family:"JetBrains Mono",monospace; font-size:0.74rem; color:rgba(241,238,230,0.5); }
  .code-card pre{ margin:0; padding:20px; font-family:"JetBrains Mono",monospace; font-size:0.82rem; line-height:1.7; overflow-x:auto; color:#E4E1D6; }
  .code-card .tip{ padding:14px 20px 20px; font-size:0.88rem; color:rgba(241,238,230,0.68); border-top:1px solid rgba(255,255,255,0.06); }
  .tk-key{ color:#FF6E88; } .tk-str{ color:#8FE3B8; } .tk-com{ color:#7A7466; font-style:italic; } .tk-fn{ color:#7FD4F0; } .tk-num{ color:#F2C14E; }

  /* ============================= FOOTER ============================= */
  .footer{ padding-block:clamp(60px,8vw,90px) 40px; }
  .footer-top{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:30px; align-items:flex-end; margin-bottom:50px; }
  .footer-cta h2{ font-size:clamp(1.8rem,4vw,2.6rem); max-width:24ch; }
  .footer-links{ display:flex; gap:12px; flex-wrap:wrap; }
  .footer-links a{ text-decoration:none; }
  .footer-bottom{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; padding-top:24px; border-top:1px solid var(--line); font-family:"JetBrains Mono",monospace; font-size:0.76rem; color:var(--ink-faint); }

/* ============================= AUTH AREA (nav) ============================= */
.auth-area{ display:flex; align-items:center; gap:14px; font-size:0.78rem; }
.auth-hi{ color:var(--ink-soft); white-space:nowrap; }
.auth-link{ text-decoration:none; color:var(--ink-soft); }
.auth-link:hover{ color:var(--ink); }
@media (max-width:720px){ .auth-hi{ display:none; } }

/* ============================= FLASH MESSAGES ============================= */
.flash{ margin-top:16px; padding:12px 16px; border-radius:6px; font-size:0.92rem; border:1px solid var(--line); }
.flash-ok{ background:color-mix(in srgb, #2E9E5B 12%, var(--surface)); border-color:rgba(46,158,91,0.35); color:#1c6b3d; }
.flash-err{ background:color-mix(in srgb, var(--biceps) 10%, var(--surface)); border-color:color-mix(in srgb, var(--biceps) 35%, var(--line)); color:var(--biceps); }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .flash-ok{ color:#6fe3a0; } }
:root[data-theme="dark"] .flash-ok{ color:#6fe3a0; }

/* ============================= AUTH PAGES (login/register/new-challenge) ============================= */
.auth-wrap{ padding-block:clamp(60px,10vw,110px); display:flex; justify-content:center; }
.auth-card{ background:var(--surface); border:1px solid var(--line); border-radius:8px; padding:clamp(28px,4vw,40px); max-width:460px; width:100%; }
.auth-card form{ margin-top:4px; }

/* ============================= CHALLENGE LIST CARDS (index) ============================= */
.challenge-list{ display:flex; flex-direction:column; gap:16px; margin-bottom:20px; }
.challenge-mini{
  display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:16px;
  background:var(--surface); border:1px solid var(--line); border-radius:8px; padding:20px 24px;
  text-decoration:none; color:inherit; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.challenge-mini:hover{ transform:translateY(-2px); box-shadow:var(--shadow); border-color:color-mix(in srgb, var(--ink) 20%, var(--line)); }
.challenge-mini-title{ font-size:1.2rem; margin-bottom:4px; }
.challenge-mini-meta{ font-family:"JetBrains Mono",monospace; font-size:0.78rem; color:var(--ink-faint); }
.challenge-mini-cta{ font-family:"JetBrains Mono",monospace; font-size:0.78rem; font-weight:700; color:var(--binary); white-space:nowrap; }

/* ============================= ADMIN BADGE / COMMENTS ============================= */
.admin-badge{
  font-family:"JetBrains Mono",monospace; font-size:0.6rem; font-weight:700; letter-spacing:0.06em;
  background:var(--gold-strong); color:#1A1305; padding:2px 6px; border-radius:3px; vertical-align:middle;
}