:root {
  --bg: #fbf9f5; --card: #ffffff; --ink: #1c1a24; --mute: #6c6878; --line: #ebe6dd;
  --acc: #6a5af9; --acc2: #ff7a59; --soft: #f1eefe; --ok: #1f9d6b; --bad: #d94a3d; --mark: #ffe58a;
  --shadow: 0 1px 2px rgba(28,26,36,.04), 0 12px 40px -12px rgba(60,40,120,.18);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111018; --card: #1b1a24; --ink: #eeecf6; --mute: #9c98ad; --line: #2c2a38;
    --acc: #9b8fff; --acc2: #ff9577; --soft: #25223a; --mark: #6b5a12;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 16px 40px -12px rgba(0,0,0,.6);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 Inter, system-ui, -apple-system, sans-serif; min-height: 100vh; overflow-x: hidden;
}
.glow {
  position: fixed; inset: -30vh -10vw auto; height: 80vh; z-index: -1; pointer-events: none;
  background: radial-gradient(40% 50% at 30% 40%, color-mix(in srgb, var(--acc) 22%, transparent), transparent 70%),
              radial-gradient(35% 45% at 75% 30%, color-mix(in srgb, var(--acc2) 18%, transparent), transparent 70%);
  filter: blur(20px);
}
[hidden] { display: none !important; }
button { font: inherit; cursor: pointer; }
.muted { color: var(--mute); }

/* top bar */
.top { max-width: 960px; margin: 0 auto; padding: 20px 16px; display: flex; justify-content: space-between; align-items: center; }
.brand { display: flex; gap: 10px; align-items: center; font: 700 1.2rem Fraunces, Georgia, serif; color: var(--ink); text-decoration: none; }
.pill { display: inline-flex; gap: 8px; align-items: center; font-size: .82rem; color: var(--mute);
  background: var(--card); border: 1px solid var(--line); padding: 6px 12px; border-radius: 99px; }
.pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--mute); }
.pill.on i { background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); }
.pill.off i { background: var(--bad); }

main { max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* hero */
.hero { text-align: center; padding: 48px 0 24px; }
h1 { font: 700 clamp(2.2rem, 6vw, 3.6rem)/1.08 Fraunces, Georgia, serif; letter-spacing: -.02em; margin: 0 0 18px; }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--acc), var(--acc2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--mute); font-size: 1.08rem; max-width: 560px; margin: 0 auto 32px; }

.box { display: flex; gap: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 8px; box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s; }
.box:focus-within { border-color: var(--acc); box-shadow: var(--shadow), 0 0 0 4px color-mix(in srgb, var(--acc) 18%, transparent); }
.field { flex: 1; display: flex; align-items: center; gap: 10px; padding-left: 12px; min-width: 0; }
.field svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--mute); stroke-width: 2; stroke-linecap: round; }
.field input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font: inherit; font-size: 1.02rem; padding: 12px 0; }
.ghost { border: 1px solid var(--line); background: transparent; color: var(--mute); border-radius: 10px; padding: 7px 12px; font-size: .85rem; }
.ghost:hover { color: var(--ink); border-color: var(--mute); }
.primary { border: 0; border-radius: 12px; padding: 14px 26px; font-weight: 600; color: #fff;
  background: linear-gradient(135deg, var(--acc), color-mix(in srgb, var(--acc) 60%, var(--acc2))); transition: transform .15s, filter .15s; }
.primary:hover { filter: brightness(1.08); }
.primary:active { transform: scale(.97); }
.primary:disabled { opacity: .6; cursor: default; }

.opt { display: inline-flex; gap: 10px; align-items: flex-start; margin-top: 16px; font-size: .9rem; color: var(--ink); cursor: pointer; text-align: left; max-width: 560px; }
.opt input { margin-top: 4px; accent-color: var(--acc); width: 16px; height: 16px; flex: none; }
.opt small { color: var(--mute); font-size: inherit; }
.err { margin: 18px auto 0; max-width: 560px; background: color-mix(in srgb, var(--bad) 10%, var(--card));
  border: 1px solid color-mix(in srgb, var(--bad) 35%, transparent); color: var(--ink); padding: 12px 16px; border-radius: 12px; font-size: .95rem; }

/* cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow);
  padding: 28px; margin: 12px 0 32px; animation: rise .35s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
h2 { font: 700 1.3rem/1.3 Fraunces, Georgia, serif; margin: 0 0 4px; }
h3 { font-size: 1rem; margin: 0; }

.work-head { display: flex; gap: 18px; align-items: center; }
.work-head p { margin: 0; font-size: .92rem; }
.spinner { width: 38px; height: 38px; flex: none; border-radius: 50%; border: 3px solid var(--soft); border-top-color: var(--acc); animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.steps { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; counter-reset: s; }
.steps li { display: flex; gap: 12px; align-items: center; color: var(--mute); font-size: .95rem; counter-increment: s; }
.steps li::before { content: counter(s); width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 600; background: var(--soft); color: var(--mute); }
.steps li.now { color: var(--ink); font-weight: 500; }
.steps li.now::before { background: var(--acc); color: #fff; }
.steps li.done::before { content: "✓"; background: var(--ok); color: #fff; }
.bar { margin-top: 20px; height: 8px; border-radius: 99px; background: var(--soft); overflow: hidden; }
.bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--acc), var(--acc2)); transition: width .6s ease; }
.link { background: none; border: 0; color: var(--mute); text-decoration: underline; margin-top: 18px; padding: 0; font-size: .88rem; }

.vid { display: flex; gap: 20px; align-items: flex-start; }
.vid img { width: 180px; aspect-ratio: 16/9; object-fit: cover; border-radius: 12px; flex: none; background: var(--soft); }
.vid p { margin: 4px 0 0; font-size: .92rem; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px !important; }
.tag { font-size: .78rem; background: var(--soft); color: var(--acc); padding: 4px 10px; border-radius: 99px; font-weight: 500; }

.downloads { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 24px 0; }
.dl { text-align: left; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 14px; padding: 14px; transition: border-color .15s, transform .15s; }
.dl:hover { border-color: var(--acc); transform: translateY(-2px); }
.dl b { display: block; font-size: 1.05rem; }
.dl span { color: var(--mute); font-size: .8rem; }
.dl.alt b { color: var(--acc); }

.preview-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.preview-head input { font: inherit; font-size: .9rem; padding: 7px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); width: 180px; }
.preview { max-height: 420px; overflow-y: auto; border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; background: var(--bg);
  font: 1.02rem/1.7 Georgia, 'Iowan Old Style', serif; }
.preview p { display: grid; grid-template-columns: 58px 1fr; gap: 12px; margin: 0 0 14px; }
.preview a, .preview .t { font: 600 .78rem/2.2 ui-monospace, Menlo, monospace; color: var(--acc); text-decoration: none; }
.preview a:hover { text-decoration: underline; }
.preview mark { background: var(--mark); color: inherit; border-radius: 3px; }
.again { margin-top: 20px; width: 100%; }

.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 40px 0 20px; }
.how div { padding: 20px; border-radius: 18px; border: 1px solid var(--line); background: color-mix(in srgb, var(--card) 70%, transparent); }
.how span { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: var(--soft); color: var(--acc); font-weight: 600; margin-bottom: 10px; }
.how p { color: var(--mute); font-size: .9rem; margin: 6px 0 0; }

.foot { max-width: 760px; margin: 20px auto 0; padding: 24px 16px 40px; color: var(--mute); font-size: .82rem; text-align: center; border-top: 1px solid var(--line); }
.foot p { margin: 4px 0; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg);
  padding: 10px 18px; border-radius: 99px; font-size: .9rem; animation: rise .2s ease; z-index: 9; }

@media (max-width: 640px) {
  .hero { padding-top: 24px; }
  .box { flex-direction: column; }
  .field { padding: 0 4px 0 10px; }
  .primary { width: 100%; }
  .card { padding: 20px; border-radius: 18px; }
  .vid { flex-direction: column; }
  .vid img { width: 100%; }
  .downloads { grid-template-columns: 1fr 1fr; }
  .how { grid-template-columns: 1fr; }
  .preview { padding: 14px; }
  .preview p { grid-template-columns: 1fr; gap: 0; }
  .preview-head input { width: 130px; }
}