/* ============================================================
   Cerveau Augmenté — l'univers de la miniature :
   crème, traits marker noirs, vert "à toi", ombres vertes décalées.
   ============================================================ */

:root {
  --paper: #faf6ec;        /* le crème de la miniature */
  --paper-soft: #fffdf6;
  --ink: #161616;          /* le noir marker */
  --green: #4a8a28;        /* le vert de la miniature */
  --green-dark: #3a6e1f;
  --green-soft: #e9f2df;
  --gray: #6f6a5e;
  --code-bg: #22272e;      /* la vue code reste sombre (terminal) */
  /* bordure "dessinée à la main" : rayons volontairement irréguliers */
  --sketch: 255px 18px 225px 18px / 18px 225px 18px 255px;
  --sketch-sm: 125px 12px 115px 12px / 12px 115px 12px 125px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  /* léger grain papier */
  background-image: radial-gradient(rgba(22, 22, 22, 0.025) 1px, transparent 1px);
  background-size: 22px 22px;
}

main { max-width: 880px; margin: 0 auto; padding: 0 20px 80px; }

.marker { font-family: "Permanent Marker", cursive; }
.caveat { font-family: "Caveat", cursive; font-weight: 700; color: var(--green-dark); }
.caveat.big { font-size: 2rem; }

a {
  color: var(--green-dark);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
a:hover { color: var(--ink); }

/* ---------------- header : bandeau compact et discret ----------------
   La hiérarchie de la page : 1) le hero, 2) les cartes, 3) ce bandeau. */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  max-width: 880px; margin: 0 auto; padding: 18px 20px 14px;
  border-bottom: 2.5px dashed rgba(22, 22, 22, 0.18);
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
}
.logo-icons { display: inline-flex; align-items: center; gap: 5px; }
.logo-icons svg {
  width: 26px; height: 26px; padding: 4px;
  border: 2px solid var(--ink);
  border-radius: 8px 4px 7px 4px / 4px 7px 4px 8px;
  background: var(--paper-soft);
  box-shadow: 2px 2px 0 var(--green);
  stroke: var(--green); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.15s;
}
.logo:hover svg { transform: rotate(-4deg); }
.logo-text {
  font-family: "Permanent Marker", cursive;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}
.tagline {
  font-family: "Caveat", cursive; font-weight: 700;
  font-size: 1.25rem; color: var(--green-dark); margin: 0;
}

/* ---------------- hero (index) : LE gros élément ---------------- */
.hero { text-align: center; padding: 64px 0 20px; }
.hero h1 {
  font-family: "Permanent Marker", cursive;
  font-size: clamp(2.2rem, 7vw, 3.6rem);
  line-height: 1.2; margin: 0 0 22px; font-weight: 400;
}
.hero p { max-width: 540px; margin: 0 auto; color: var(--gray); font-size: 1.02rem; }
.hero strong { color: var(--ink); }

.green-underline {
  background: linear-gradient(transparent 68%, var(--green) 68%, var(--green) 88%, transparent 88%);
  padding: 0 2px;
}

/* ---------------- cartes (index) ---------------- */
.cards { display: flex; flex-direction: column; gap: 26px; padding-top: 26px; }

.card {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--paper-soft);
  border: 2.5px solid var(--ink);
  border-radius: var(--sketch);
  box-shadow: 6px 6px 0 var(--green);
  padding: 22px 28px 18px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:nth-child(even) { transform: rotate(0.4deg); }
.card:nth-child(odd) { transform: rotate(-0.3deg); }
.card:hover {
  transform: rotate(0deg) translate(-2px, -3px);
  box-shadow: 9px 9px 0 var(--green);
  color: var(--ink);
}
.card h2 {
  font-family: "Permanent Marker", cursive; font-weight: 400;
  font-size: 1.2rem; margin: 8px 0 8px; line-height: 1.4;
}
.card p { margin: 0 0 12px; color: var(--gray); font-size: 0.97rem; }
.card-top { display: flex; align-items: center; gap: 10px; }
.card-date { font-size: 0.85rem; color: var(--gray); letter-spacing: 0.5px; }
.badge {
  font-family: "Caveat", cursive; font-weight: 700; font-size: 1.05rem;
  border: 2px solid var(--ink); border-radius: var(--sketch-sm);
  padding: 0 10px; background: #fff3bf;
}
.badge-code { background: var(--green-soft); color: var(--green-dark); }
.card-go { font-family: "Caveat", cursive; font-weight: 700; font-size: 1.3rem; color: var(--green-dark); }
.card-go .arrow { display: inline-block; transition: transform 0.15s; }
.card:hover .card-go .arrow { transform: translateX(6px); }

/* ---------------- page vidéo ---------------- */
.page { padding-top: 24px; }
.back { margin: 0 0 18px; }
.back a { font-family: "Caveat", cursive; font-weight: 700; font-size: 1.25rem; text-decoration: none; }
.page-date { color: var(--gray); font-size: 0.9rem; margin: 0; }
.page h1 {
  font-family: "Permanent Marker", cursive; font-weight: 400;
  font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.3; margin: 6px 0 26px;
}

.video-frame {
  position: relative; aspect-ratio: 16 / 9;
  border: 2.5px solid var(--ink);
  border-radius: 22px 10px 18px 10px / 10px 18px 10px 22px;
  box-shadow: 7px 7px 0 var(--green);
  overflow: hidden; background: #000; margin-bottom: 34px;
}
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.video-placeholder {
  background: var(--paper-soft);
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: var(--gray);
}

.prose h2 {
  font-family: "Permanent Marker", cursive; font-weight: 400;
  font-size: 1.4rem; margin: 36px 0 10px;
}
.prose h3 { font-size: 1.1rem; margin: 26px 0 8px; }
.prose blockquote {
  margin: 20px 0; padding: 4px 22px;
  border-left: 4px solid var(--green);
  background: var(--green-soft);
  border-radius: 0 14px 14px 0;
}
.prose code {
  background: #efe9d8; padding: 2px 7px; border-radius: 7px;
  font-size: 0.88em;
}
.prose pre {
  background: var(--code-bg); color: #d8dee4;
  padding: 18px 20px; overflow-x: auto;
  border-radius: 14px; border: 2.5px solid var(--ink);
  box-shadow: 5px 5px 0 var(--green);
}
.prose pre code { background: none; padding: 0; color: inherit; }
.prose ul { padding-left: 24px; }
.prose li { margin: 4px 0; }

/* ---------------- vue code "à la github" ---------------- */
.code-zone { margin-top: 56px; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.code-head h2 { font-size: 1.6rem; margin: 0; font-weight: 400; font-family: "Inter", sans-serif; }
.code-head .marker { font-size: 1.7rem; }
.code-note { color: var(--gray); margin: 6px 0 18px; }

.btn-dl {
  font-family: "Permanent Marker", cursive; font-size: 1.05rem;
  text-decoration: none; color: #fff;
  background: var(--green); border: 2.5px solid var(--ink);
  border-radius: var(--sketch-sm);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 8px 20px;
  transition: transform 0.12s, box-shadow 0.12s;
}
.btn-dl:hover {
  color: #fff; background: var(--green-dark);
  transform: translate(-1px, -2px); box-shadow: 6px 6px 0 var(--ink);
}

.code-browser {
  display: grid; grid-template-columns: 230px 1fr;
  border: 2.5px solid var(--ink);
  border-radius: 16px; overflow: hidden;
  box-shadow: 7px 7px 0 var(--green);
  min-height: 320px; background: var(--code-bg);
}
.code-tree {
  background: var(--paper-soft);
  border-right: 2.5px solid var(--ink);
  padding: 12px 0; overflow-y: auto; max-height: 600px;
}
.code-tree ul { list-style: none; margin: 0; padding: 0; }
.code-tree .file {
  display: block; width: 100%; text-align: left;
  background: none; border: none; cursor: pointer;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85rem; color: var(--ink);
  padding: 7px 16px;
}
.code-tree .file:hover { background: var(--green-soft); }
.code-tree .file.active {
  background: var(--green); color: #fff; font-weight: 600;
}
.file-dir { opacity: 0.45; }

.code-view { display: flex; flex-direction: column; min-width: 0; }
.code-view-bar {
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.85rem;
  color: #adbac7; background: #1c2128;
  padding: 9px 16px; border-bottom: 1px solid #444c56;
}
.code-view pre {
  margin: 0; flex: 1; overflow: auto; max-height: 560px;
}
.code-view code {
  display: block; padding: 16px 18px;
  font-size: 0.85rem; line-height: 1.55;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  /* retour à la ligne : lecture sans scroll horizontal */
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  .code-browser { grid-template-columns: 1fr; }
  .code-tree { border-right: none; border-bottom: 2.5px solid var(--ink); max-height: 180px; }
}

/* ---------------- inscription ---------------- */
.signup-form {
  display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 10px;
}
.signup-form input[type="email"] {
  flex: 1; min-width: 240px;
  appearance: none; -webkit-appearance: none;
  font-family: "Inter", system-ui, sans-serif; font-size: 1.05rem;
  padding: 12px 18px;
  background: var(--paper-soft); color: var(--ink);
  border: 2.5px solid var(--ink);
  border-radius: var(--sketch-sm);
  box-shadow: 4px 4px 0 var(--green);
  outline: none;
}
.signup-form input[type="email"]:focus { box-shadow: 4px 4px 0 var(--green-dark); }
.signup-form .btn-dl { border: 2.5px solid var(--ink); cursor: pointer; font-size: 1.1rem; }
.signup-msg {
  font-family: "Caveat", cursive; font-weight: 700; font-size: 1.4rem;
  color: var(--green-dark); margin: 14px 0 0;
}
.signup-alt { color: var(--gray); margin-top: 26px; }

/* ---------------- footer : une seule ligne ---------------- */
.site-footer {
  padding: 26px 20px 46px; color: var(--gray);
  border-top: 2.5px dashed rgba(22, 22, 22, 0.25);
  max-width: 880px; margin: 0 auto;
}
.footer-line {
  display: flex; align-items: center; justify-content: center;
  gap: 10px 22px; flex-wrap: wrap;
  margin: 0; font-size: 0.95rem;
}
.footer-line .sep { color: rgba(22, 22, 22, 0.3); }
.yt-link {
  font-family: "Permanent Marker", cursive; font-size: 1.05rem;
  color: var(--ink); text-decoration: none;
  border-bottom: 3px solid var(--green);
}
.yt-link:hover { color: var(--green-dark); }

/* ---------------- responsive ---------------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  main { padding: 0 14px 60px; }
  .site-header {
    flex-direction: column; gap: 4px;
    padding: 14px 14px 12px; text-align: center;
  }
  .hero { padding: 36px 0 12px; }
  .cards { gap: 18px; }
  .card { padding: 16px 18px 14px; }
  .card:nth-child(odd), .card:nth-child(even) { transform: none; }
  .page { padding-top: 14px; }
  .video-frame { box-shadow: 4px 4px 0 var(--green); }
  .code-head { flex-direction: column; align-items: flex-start; }
  .code-view pre { max-height: 420px; }
  .signup-form input[type="email"] { min-width: 0; width: 100%; }
  .signup-form .btn-dl { width: 100%; }
  .footer-line { flex-direction: column; gap: 8px; }
  .footer-line .sep { display: none; }
}