:root {
  --bg: #0d0b1a;
  --bg2: #151229;
  --card: #1c1834;
  --card2: #241f42;
  --line: #2f2a52;
  --ink: #f4f2ff;
  --sub: #a9a3cc;
  --dim: #7a74a3;
  --accent: #8b5cf6;
  --accent2: #22d3ee;
  --hot: #f97316;
  --good: #22c55e;
  --bad: #ef4444;
  --warn: #eab308;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased; line-height: 1.5; min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% -10%, #2a1a5e 0%, transparent 60%),
              radial-gradient(900px 500px at 110% 10%, #0f3a4a 0%, transparent 55%), var(--bg);
  background-attachment: fixed;
}
a { color: var(--accent2); }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: var(--ink); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 20px 16px 120px; }
.narrow { max-width: 760px; }

/* top bar */
.top { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px);
  background: rgba(13,11,26,.78); border-bottom: 1px solid var(--line); }
.top .in { max-width: 1080px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; letter-spacing: -.02em; color: var(--ink);
  text-decoration: none; font-size: 18px; }
.logo .mark { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); font-size: 16px; }
.top .sp { flex: 1; }
.top nav { display: flex; gap: 4px; }
.top nav a { color: var(--sub); text-decoration: none; padding: 6px 10px; border-radius: 10px; font-size: 14px; font-weight: 600; }
.top nav a.on, .top nav a:hover { color: var(--ink); background: var(--card); }
.xpchip { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line);
  padding: 4px 10px 4px 4px; border-radius: 99px; font-size: 13px; font-weight: 700; color: var(--ink); text-decoration: none; }
.xpchip svg { width: 28px; height: 28px; }
@media (max-width: 680px) {
  .top { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(13,11,26,.97); }
  .top nav { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(13,11,26,.95); border-top: 1px solid var(--line);
    justify-content: space-around; padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); }
  .top nav a { font-size: 12px; text-align: center; }
}

/* basics */
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.08; letter-spacing: -.03em; margin: 10px 0 12px; }
h2 { font-size: 22px; letter-spacing: -.02em; margin: 28px 0 12px; }
h3 { font-size: 17px; margin: 0 0 6px; }
p { margin: 0 0 12px; }
.sub { color: var(--sub); }
.dim { color: var(--dim); font-size: 13px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.card + .card { margin-top: 12px; }
.grid { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 12px;
  padding: 12px 18px; font-weight: 700; font-size: 15px; color: #fff; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), #6d28d9); box-shadow: 0 6px 18px rgba(139,92,246,.35); }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.btn.alt { background: var(--card2); box-shadow: none; border: 1px solid var(--line); color: var(--ink); }
.btn.hot { background: linear-gradient(135deg, var(--hot), #db2777); box-shadow: 0 6px 18px rgba(249,115,22,.3); }
.btn.sm { padding: 7px 12px; font-size: 13px; border-radius: 10px; }
.btn.block { width: 100%; }
.field { width: 100%; background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; outline: none; }
.field:focus { border-color: var(--accent); }
textarea.field { min-height: 110px; resize: vertical; line-height: 1.45; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 3px 9px;
  border-radius: 99px; background: var(--card2); border: 1px solid var(--line); color: var(--sub); }
.pill.good { color: #86efac; border-color: #14532d; background: #0b2a17; }
.pill.bad { color: #fca5a5; border-color: #7f1d1d; background: #2a0b0b; }
.pill.warn { color: #fde68a; border-color: #713f12; background: #2a1d07; }
.pill.acc { color: #ddd6fe; border-color: #4c1d95; background: #22124a; }
.bar { height: 8px; background: var(--bg2); border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 99px; }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: var(--card2); border: 1px solid var(--accent);
  padding: 10px 16px; border-radius: 12px; font-weight: 700; z-index: 60; box-shadow: var(--shadow); animation: pop .25s ease; }
@keyframes pop { from { transform: translate(-50%, 10px); opacity: 0; } }
.err { color: #fca5a5; font-size: 14px; margin-top: 8px; }
.center { text-align: center; }
.spin { width: 22px; height: 22px; border: 3px solid var(--line); border-top-color: var(--accent2); border-radius: 50%;
  animation: sp 0.8s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes sp { to { transform: rotate(360deg); } }

/* landing */
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: center; padding: 30px 0 10px; }
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; } }
.hero .kicker { color: var(--accent2); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.hero .lede { font-size: 18px; color: var(--sub); }
.joinbox { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 22px; box-shadow: var(--shadow); }
.feat { display: flex; gap: 12px; align-items: flex-start; }
.feat .ic { font-size: 22px; width: 40px; height: 40px; display: grid; place-items: center; background: var(--card2); border-radius: 12px; flex: none; }

/* home */
.charcard { display: grid; grid-template-columns: 140px 1fr; gap: 18px; align-items: center; }
@media (max-width: 520px) { .charcard { grid-template-columns: 96px 1fr; } }
.charcard svg { width: 100%; height: auto; }
.vtcard { background: linear-gradient(135deg, #3b1d7a, #0e4b5a); border: 1px solid #5b3bb0; }
.level { border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); overflow: hidden; }
.level + .level { margin-top: 12px; }
.level .hd { display: flex; align-items: center; gap: 14px; padding: 16px 18px; }
.level .num { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; font-weight: 900; font-size: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); flex: none; }
.level.locked .num { background: var(--card2); color: var(--dim); }
.level .ls { border-top: 1px solid var(--line); }
.lrow { display: flex; align-items: center; gap: 12px; padding: 12px 18px; text-decoration: none; color: var(--ink); border-top: 1px solid var(--line); }
.lrow:first-child { border-top: 0; }
.lrow:hover { background: var(--card2); }
.lrow .ck { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--line); display: grid; place-items: center; font-size: 13px; flex: none; }
.lrow .ck.done { background: var(--good); border-color: var(--good); }
.lrow .boss { background: var(--hot); border-color: var(--hot); }
.gamecard { text-decoration: none; color: var(--ink); display: block; transition: transform .15s; }
.gamecard:hover { transform: translateY(-2px); border-color: var(--accent); }
.gamecard .em { font-size: 30px; }
.gamecard.locked { opacity: .55; }

/* lesson */
.steps { display: flex; gap: 5px; margin: 8px 0 18px; }
.steps i { flex: 1; height: 5px; border-radius: 9px; background: var(--line); }
.steps i.on { background: var(--accent2); }
.lcard { min-height: 260px; font-size: 17px; }
.lcard .body p { margin-bottom: 12px; }
.lcard ul { margin: 0 0 12px; padding-left: 20px; }
.lcard li { margin-bottom: 6px; }
.cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 10px 0; }
@media (max-width: 600px) { .cmp { grid-template-columns: 1fr; } }
.cmp > div { border-radius: 12px; padding: 12px 14px; font-size: 15px; }
.cmp .b { background: #2a0f16; border: 1px solid #5f1d2b; }
.cmp .g { background: #0c2a1b; border: 1px solid #175f37; }
.cmp b { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.tipbox { background: #1d2a10; border: 1px solid #3f6212; border-radius: 12px; padding: 14px 16px; }
.convo .m { padding: 10px 14px; border-radius: 14px; margin: 8px 0; max-width: 88%; font-size: 15px; }
.convo .you { background: #2b2260; margin-left: auto; border-bottom-right-radius: 4px; }
.convo .ai { background: var(--bg2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.convo .who { font-size: 11px; font-weight: 800; text-transform: uppercase; color: var(--dim); display: block; }
.opt { display: block; width: 100%; text-align: left; background: var(--bg2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 12px; padding: 12px 14px; margin: 8px 0; font-size: 15px; }
.opt:hover:not(:disabled) { border-color: var(--accent); }
.opt.sel { border-color: var(--accent); background: #221a4a; }
.opt.right { border-color: var(--good); background: #0c2a1b; }
.opt.wrong { border-color: var(--bad); background: #2a0f16; }
.ord { display: flex; align-items: center; gap: 8px; background: var(--bg2); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 12px; margin: 6px 0; font-size: 15px; }
.ord .n { width: 24px; height: 24px; border-radius: 8px; background: var(--card2); display: grid; place-items: center; font-weight: 800; font-size: 12px; flex: none; }
.ord .t { flex: 1; }
.ord button { background: var(--card2); border: 1px solid var(--line); color: var(--ink); border-radius: 8px; width: 32px; height: 30px; }
.result { margin-top: 14px; border-radius: 12px; padding: 14px 16px; background: var(--bg2); border: 1px solid var(--line); font-size: 15px; }
.result.good { border-color: #175f37; }
.result.bad { border-color: #5f1d2b; }
.scorebig { font-size: 40px; font-weight: 900; letter-spacing: -.03em; }

/* challenge workspace */
.ws { display: grid; grid-template-columns: 300px 1fr 1.2fr; gap: 12px; height: calc(100vh - 140px); min-height: 520px; }
.ws > .pane { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.pane .ph { padding: 10px 14px; border-bottom: 1px solid var(--line); font-weight: 800; font-size: 13px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--sub); display: flex; align-items: center; gap: 8px; }
.pane .pb { padding: 12px 14px; overflow: auto; flex: 1; min-height: 0; }
.chatlog { flex: 1; overflow: auto; padding: 12px 14px; }
.chatin { border-top: 1px solid var(--line); padding: 10px; display: flex; gap: 8px; align-items: flex-end; }
.chatin textarea { min-height: 64px; max-height: 200px; }
.frame { width: 100%; height: 100%; border: 0; background: #fff; flex: 1; }
.wsbar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.timer { font-variant-numeric: tabular-nums; font-weight: 900; font-size: 20px; }
.timer.low { color: var(--hot); }
.tabs { display: none; gap: 6px; margin-bottom: 8px; }
.tabs button { flex: 1; background: var(--card); border: 1px solid var(--line); color: var(--sub); border-radius: 10px; padding: 8px; font-weight: 700; }
.tabs button.on { color: var(--ink); border-color: var(--accent); }
@media (max-width: 980px) {
  .ws { grid-template-columns: 1fr; height: auto; }
  .ws > .pane { height: 70vh; display: none; }
  .ws > .pane.show { display: flex; }
  .tabs { display: flex; }
}
.goalframe { width: 100%; height: 320px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.ctabs { display: flex; gap: 4px; }
.ctabs button { background: transparent; border: 0; color: var(--dim); font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; padding: 0 6px; }
.ctabs button.on { color: var(--ink); }

/* games */
.claim { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.claim:first-child { border-top: 0; }
.claim .t { flex: 1; }
.tog { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; flex: none; }
.tog button { background: var(--bg2); border: 0; color: var(--sub); padding: 7px 10px; font-weight: 700; font-size: 13px; }
.tog button.on.w { background: #14532d; color: #fff; }
.tog button.on.b { background: #7f1d1d; color: #fff; }
.dz { text-align: left; background: var(--bg2); border: 2px solid var(--line); color: var(--ink); border-radius: 14px; padding: 14px; font-size: 15px; min-height: 84px; }
.dz.on { border-color: var(--bad); background: #2a0f16; }
.dz.right { outline: 3px solid var(--good); }
.dz.wrong { outline: 3px solid var(--warn); }
.dz code, .err-text { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.err-text { background: #1a0b10; border: 1px solid #5f1d2b; color: #fecaca; border-radius: 10px; padding: 12px; white-space: pre-wrap; overflow-x: auto; }

/* report */
.radar text { fill: var(--sub); font-size: 11px; font-weight: 700; }
.statrow { display: grid; grid-template-columns: 130px 1fr 44px; gap: 10px; align-items: center; padding: 6px 0; font-size: 14px; }

/* admin */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--dim); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; cursor: pointer; white-space: nowrap; }
tr.click:hover td { background: var(--card2); cursor: pointer; }
.tablewrap { overflow-x: auto; }
.bk { font-weight: 800; font-size: 12px; padding: 3px 8px; border-radius: 8px; white-space: nowrap; }
.bk.top { background: #14532d; color: #bbf7d0; }
.bk.middle { background: #3f3a10; color: #fef08a; }
.bk.bottom { background: #4c1515; color: #fecaca; }
.bk.unrated, .bk.benchmark { background: var(--card2); color: var(--sub); }
.tline { padding: 8px 10px; border-radius: 10px; margin: 6px 0; font-size: 14px; background: var(--bg2); border: 1px solid var(--line); }
.tline.best { border-color: var(--good); }
.tline.worst { border-color: var(--bad); }
.mini { font-size: 12px; color: var(--dim); }

/* feedback button */
.fbbtn { position: fixed; right: 16px; bottom: 16px; z-index: 30; border-radius: 99px; padding: 10px 14px; background: var(--card2);
  border: 1px solid var(--line); color: var(--ink); font-weight: 700; box-shadow: var(--shadow); }
.fbtop { display: none; background: var(--card); border: 1px solid var(--line); color: var(--ink); border-radius: 99px; padding: 5px 10px; font-size: 13px; font-weight: 700; }
@media (max-width: 680px) { .fbbtn { display: none; } .fbtop { display: inline-block; } .wrap { padding-bottom: 110px; } }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 50; display: grid; place-items: center; padding: 16px; }
.modal .card { width: 100%; max-width: 480px; }

/* v2: guided path */
.nextcard { display: block; text-decoration: none; color: var(--ink); background: linear-gradient(135deg, #3b1d7a, #0e4b5a);
  border: 1px solid #6d4bd0; padding: 20px; transition: transform .15s; }
.nextcard:hover { transform: translateY(-2px); }
.nextcard .kick { color: #fde68a; font-weight: 800; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.nexticon { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; font-size: 32px; background: rgba(255,255,255,.1); flex: none; }
.chapters { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 6px; margin-top: 12px; }
.chap { background: var(--bg2); border: 1px solid var(--line); border-radius: 10px; padding: 6px 9px; font-size: 12px; display: flex; justify-content: space-between; gap: 6px; }
.chap span { color: var(--dim); font-weight: 700; }
.chap.done { border-color: #175f37; }
.chap.done span { color: #86efac; }
details.level > summary { list-style: none; cursor: pointer; }
details.level > summary::-webkit-details-marker { display: none; }
.lrow.current { background: #221a4a; box-shadow: inset 4px 0 0 var(--hot); }
.lrow .ck { font-size: 12px; font-weight: 800; color: var(--dim); }
.lrow .ck.done { color: #fff; }
.tipcard { background: #10253a; border-color: #1e4a6e; margin-bottom: 12px; }
.tourart { font-size: 64px; line-height: 1.2; margin-bottom: 4px; }

/* v2: Oracle quests */
.scene { margin-top: 10px; background: linear-gradient(160deg, #1f1840, #12283a); border-color: #3b3470; }
.charbig { font-size: 54px; width: 84px; height: 84px; display: grid; place-items: center; background: rgba(255,255,255,.07);
  border-radius: 22px; flex: none; animation: bob 2.8s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-5px); } }
.scene .goal { margin-top: 12px; background: rgba(0,0,0,.25); border: 1px dashed #6d4bd0; border-radius: 12px; padding: 10px 12px; font-size: 15px; }
.door { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; font-size: 26px; background: #2a1d07;
  border: 2px solid #713f12; flex: none; transition: all .4s; }
.door.open { background: #0b2a17; border-color: var(--good); transform: scale(1.12) rotate(-6deg); }
.questlog { max-height: 380px; min-height: 160px; overflow: auto; padding: 12px 14px; }
.qm { padding: 10px 14px; border-radius: 14px; margin: 8px 0; max-width: 88%; font-size: 15px; }
.qm.you { background: #2b2260; margin-left: auto; border-bottom-right-radius: 4px; }
.qm.char { background: var(--bg2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.qm .who { font-size: 11px; font-weight: 800; text-transform: uppercase; color: var(--dim); display: block; }
.solved { margin-top: 12px; border-color: var(--good); background: linear-gradient(160deg, #0c2a1b, #1c1834); animation: pop .3s ease; }

/* v3: Python side course */
.codewrap { margin-top: 12px; border: 1px solid #1f4d3a; border-radius: 12px; overflow: hidden; background: #0a1410; }
.codebar { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: #0f241b; font-size: 13px; color: #86efac; font-weight: 700; flex-wrap: wrap; }
.codebox { width: 100%; display: block; border: 0; outline: none; resize: vertical; background: #0a1410; color: #e8fff1; padding: 12px 14px;
  font: 14px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; tab-size: 4; min-height: 70px; white-space: pre; overflow-x: auto; }
.codeout { margin: 0; padding: 10px 14px; background: #05080a; color: #cbd5e1; border-top: 1px solid #1f2937;
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; word-break: break-word; min-height: 38px; }
.codeout.bad { color: #fca5a5; }
.codeq { border: 1px solid var(--line); border-radius: 10px; margin: 6px 0 10px; color: #e8fff1; background: #0a1410; }

/* v4: plans + credits */
.planbar { margin-bottom: 12px; background: #1d1630; border-color: #4c1d95; }
.planbar.trial { background: #0f2a22; border-color: #166534; }
.pill.coin { color: #fde68a; border-color: #854d0e; background: #2a1d07; }
.plans .plan { display: flex; flex-direction: column; gap: 6px; }
.plans .plan h2 { margin: 6px 0 0; }
.plans .price { font-size: 30px; font-weight: 900; letter-spacing: -.02em; }
.plans .best { border-color: var(--hot); box-shadow: 0 0 0 1px var(--hot), var(--shadow); }

/* v5: Coding for Non-Programmers logo */
.logo .mark { font-size: 12px; font-weight: 900; letter-spacing: -.04em; width: 34px; height: 34px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.logo .logotext { display: flex; flex-direction: column; line-height: 1.05; }
.logo .logotext small { font-size: 11px; font-weight: 700; color: var(--sub); letter-spacing: .02em; text-transform: uppercase; }
.logo .logotext b { font-size: 17px; font-weight: 800; letter-spacing: -.02em; }
@media (max-width: 400px) { .logo .logotext b { font-size: 15px; } }

/* v6: bonus language courses */
.codeview { margin: 0; padding: 12px 14px; background: #0a1410; color: #e8fff1; font: 13.5px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre; overflow-x: auto; }
.outlabel { font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); padding: 6px 14px 0; background: #05080a; border-top: 1px solid #1f2937; }
.htmlsplit { display: grid; grid-template-columns: 1fr 1fr; }
.htmlsplit .codebox { border-right: 1px solid #1f4d3a; min-height: 220px; }
.htmlprev { width: 100%; min-height: 220px; height: 100%; border: 0; background: #fff; }
@media (max-width: 700px) { .htmlsplit { grid-template-columns: 1fr; } .htmlsplit .codebox { border-right: 0; } }
.bonuscard h3 { margin-bottom: 4px; }
@media (max-width: 680px) { .top nav a { padding: 6px 4px; font-size: 11px; } }

/* v7: growth features */
.foot { display:flex; flex-wrap:wrap; gap:10px 18px; justify-content:space-between; align-items:center; margin:48px 0 10px; padding-top:16px; border-top:1px solid var(--line); color:var(--dim); font-size:14px; }
.foot nav { display:flex; gap:16px; } .foot a { color:var(--sub); text-decoration:none; } .foot a:hover { color:var(--ink); }
.grid.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid.g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .grid.g4 { grid-template-columns: 1fr; } .toolkit.grid.g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.toolkit { margin-top: 12px; } .toolkit .card { padding: 14px; margin: 0; }
.heroproof { margin-top: 14px; gap: 6px 16px; color: var(--sub); font-size: 14px; font-weight: 600; }
.stepnum { width:36px; height:36px; border-radius:11px; display:grid; place-items:center; font-weight:900; background:linear-gradient(135deg, var(--accent), var(--accent2)); margin-bottom:10px; }
.feat.card { display:flex; gap:14px; align-items:flex-start; }
.vibehook { background: linear-gradient(135deg, #2a1d5c, #0f3442); border-color: #4c3d8f; }
.faq summary { cursor:pointer; font-weight:700; font-size:17px; } .faq { padding:14px 18px; margin-bottom:8px; } .faq p { margin:10px 0 0; }
.plans .plan h3 { margin: 8px 0 4px; }
.chips { gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { background: var(--card2); border: 1px solid var(--line); color: var(--sub); border-radius: 999px; padding: 7px 13px; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; display:inline-flex; align-items:center; gap:4px; }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.promptcard .prompttext { white-space: pre-wrap; background: #0a0818; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 10px 0 0; font: 14px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; color: #e9e6ff; max-height: 320px; overflow: auto; }
.promptcard mark { background: #4c2f0f; color: #fdba74; border-radius: 4px; padding: 0 2px; }
.promptcard.locked { opacity: .9; } .lockbox { margin-top: 10px; padding: 14px; border-radius: 10px; background: repeating-linear-gradient(45deg, #17142c, #17142c 10px, #1b1733 10px, #1b1733 20px); display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap; color: var(--sub); }
.review h3 { margin: 16px 0 6px; font-size: 17px; }
.checks .chk { display:flex; gap:10px; padding:7px 0; border-bottom:1px solid var(--line); } .checks .chk:last-child { border-bottom:0; }
.fix { display:flex; gap:10px; align-items:flex-start; padding:9px 0; border-bottom:1px solid var(--line); }
.fix .num { width:26px; height:26px; flex:none; border-radius:8px; display:grid; place-items:center; background:var(--hot); font-weight:900; font-size:13px; }
ol.howsteps { padding-left: 20px; display: block; } ol.howsteps li, .card ul li { margin: 5px 0; color: var(--sub); }
.certcard.earned { border-color: #2f6b4a; background: linear-gradient(180deg, #13261f, var(--card)); }
.btn.fb { background:#1877f2; } .btn.li { background:#0a66c2; }
.sharerow { gap: 8px; flex-wrap: wrap; }
@media (max-width: 680px) { .top nav a { padding: 6px 3px; font-size: 10.5px; } }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 700px) { .grid.two { grid-template-columns: 1fr; } }