/* Shared styles: sales page, login, dashboard, lesson reader.
   Cosy and beginner-friendly: warm paper, soft cards, chunky "sticker" buttons. */
:root {
  --cream: #FFF7EC;
  --card: #FFFFFF;
  --ink: #2A2438;
  --muted: #655E74;
  --coral: #FF6F4E;
  --coral-deep: #F25A37;
  --sun: #FFD166;
  --mint: #C5EFD9;
  --lilac: #E4DCFF;
  --link: #C2410C;
  --ok: #1F7A55;
  --err: #BF2F3E;
  --rule: #EADFCF;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Nunito", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 18px;
  --shadow: 0 4px 0 var(--ink);
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
*, *::before, *::after { box-sizing: inherit; }
html { scroll-padding-top: 5rem; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-underline-offset: 0.18em; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 6px;
}
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
header.top { padding: 1rem 0; }
header.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.logo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font: 800 1.3rem/1 var(--display); letter-spacing: -0.02em; color: var(--ink); text-decoration: none; white-space: nowrap;
}
.logo::before {
  content: ""; width: 2rem; height: 2rem; flex: none;
  background: var(--coral) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath d='M16 7l8 9h-5v9h-6v-9H8z' fill='%232A2438'/%3E%3C/svg%3E") center / 100% no-repeat;
  border: 2px solid var(--ink); border-radius: 10px; box-shadow: 0 2px 0 var(--ink);
}
[data-nav] { display: flex; gap: 1rem; align-items: center; font-size: 0.9375rem; font-weight: 600; }
@media (max-width: 30rem) { .who { display: none; } }
.who { color: var(--muted); max-width: 14rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 400; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--link); text-decoration: underline; cursor: pointer; }

main { padding: 1.5rem 0 4rem; }
h1 { font: 800 clamp(2rem, 5vw, 2.9rem)/1.08 var(--display); letter-spacing: -0.02em; margin: 0 0 0.75rem; }
h2 { font: 700 1.55rem/1.2 var(--display); letter-spacing: -0.015em; margin: 2.25rem 0 0.75rem; }
h3 { font: 700 1.15rem/1.25 var(--display); margin: 1.5rem 0 0.5rem; }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); }

/* Cards and buttons */
.panel { background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.panel h2 { margin-top: 0; }
.btn {
  display: inline-block; background: var(--coral); color: var(--ink);
  border: 2px solid var(--ink); border-radius: 999px; box-shadow: var(--shadow);
  padding: 0.85rem 1.5rem; font: 800 1rem/1.1 var(--body); text-decoration: none; cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { background: var(--coral-deep); transform: translateY(2px); box-shadow: 0 2px 0 var(--ink); }
.btn:active { transform: translateY(4px); box-shadow: 0 0 0 var(--ink); }
.btn[disabled] { opacity: 0.6; cursor: wait; }
.btn-quiet { background: var(--card); }
.btn-quiet:hover { background: var(--lilac); }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } }

label { display: block; font-weight: 700; margin: 0 0 0.4rem; }
input[type=email] {
  width: 100%; padding: 0.85rem 1rem; font: inherit; color: var(--ink);
  border: 2px solid var(--ink); border-radius: 14px; background: #fff; margin-bottom: 1.1rem;
}
.msg { margin-top: 1rem; font-weight: 600; }
.msg.error { color: var(--err); }
.msg.ok { color: var(--ok); }

/* Dashboard */
.progress-line { font-weight: 700; margin: 0 0 1.25rem; }
.bar { height: 14px; background: var(--card); border: 2px solid var(--ink); border-radius: 999px; overflow: hidden; margin: 0 0 1.5rem; }
.bar > span { display: block; height: 100%; background: var(--mint); border-right: 2px solid var(--ink); }
.bar > span:empty { min-width: 0; }
ol.lesson-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.85rem; }
ol.lesson-list li { background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius); box-shadow: 0 3px 0 var(--ink); }
ol.lesson-list a {
  display: grid; grid-template-columns: 2.6rem 1fr auto; gap: 0 1rem; align-items: center;
  padding: 1rem 1.1rem; color: inherit; text-decoration: none;
}
ol.lesson-list li:hover { background: #FFFBF4; }
ol.lesson-list .n {
  width: 2.6rem; height: 2.6rem; display: grid; place-items: center;
  background: var(--sun); border: 2px solid var(--ink); border-radius: 50%;
  font: 800 1.1rem/1 var(--display);
}
ol.lesson-list .t { font: 700 1.15rem/1.25 var(--display); display: block; }
ol.lesson-list .s { color: var(--muted); font-size: 0.95rem; display: block; }
ol.lesson-list .meta { font-size: 0.875rem; color: var(--muted); white-space: nowrap; font-weight: 600; }
ol.lesson-list .done .n { background: var(--mint); }
ol.lesson-list .done .meta { color: var(--ok); font-weight: 800; }
ol.lesson-list .locked { opacity: 0.55; }

/* Lesson body */
.lesson-body h2 { margin-top: 2.5rem; }
.lesson-body table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
.table-scroll { overflow-x: auto; margin: 0 0 1.25rem; }
.lesson-body th, .lesson-body td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
.lesson-body th { background: var(--lilac); font-weight: 700; }
.lesson-body code { font-family: var(--mono); font-size: 0.86em; background: #F6E9D8; padding: 0.12em 0.4em; border-radius: 6px; }
.lesson-body pre { background: var(--ink); color: #F3EEFF; padding: 1rem 1.1rem; border-radius: 14px; overflow-x: auto; }
.lesson-body pre code { background: none; padding: 0; color: inherit; }
.lesson-body ol, .lesson-body ul { padding-left: 1.4rem; }
.lesson-body li { margin-bottom: 0.4rem; }
.lesson-body li::marker { color: var(--coral-deep); font-weight: 800; }
.lesson-body img { max-width: 100%; height: auto; border-radius: 14px; border: 2px solid var(--ink); }
/* Every blockquote is a prompt to copy into Cursor. */
.lesson-body blockquote {
  position: relative; margin: 0 0 1.25rem; background: var(--lilac);
  border: 2px dashed var(--ink); border-radius: var(--radius); padding: 1.1rem 1.2rem;
}
.lesson-body blockquote::before {
  content: "Prompt"; display: inline-block; margin-bottom: 0.5rem;
  font: 800 0.75rem/1 var(--body); letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--ink); color: var(--cream); padding: 0.3rem 0.6rem; border-radius: 999px;
}
.lesson-body blockquote p:last-of-type { margin-bottom: 0; }
.copy {
  display: block; margin-top: 0.85rem; background: var(--ink); color: var(--cream);
  border: 0; border-radius: 999px; padding: 0.55rem 1rem; font: 800 0.875rem/1 var(--body); cursor: pointer;
}
.copy:hover { background: #443B58; }
.copy.done { background: var(--ok); }

.lesson-foot { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; margin-top: 3rem; padding-top: 1.5rem; border-top: 2px dashed var(--rule); font-weight: 600; }
.done-toggle.is-done { background: var(--mint); }