/* =========================================================
   module-accessibilite.css — Module Accessibilité
   MonMiniLab · Breizhzion
   Couleur accent : emerald #be185d
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:   #09183a;
  --navy2:  #122050;
  --blue:   #0052e0;
  --white:  #ffffff;
  --off:    #f4f6fb;
  --text:   #1a2744;
  --muted:  #6b7a99;
  --border: #dde3f0;
  --accent: #be185d;
  --accent2: #fb7185;
  --accent-bg: #fff1f2;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.7;
}

/* ── Navigation ── */
nav:not(.lesson-nav) {
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  padding: 0 2.5rem; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--white); text-decoration: none;
  font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em;
}
.nav-pip {
  width: 28px; height: 28px; border-radius: 7px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.nav-breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
}
.nav-breadcrumb a { color: rgba(255,255,255,0.5); text-decoration: none; }
.nav-breadcrumb a:hover { color: var(--white); }
.nav-breadcrumb strong { color: rgba(255,255,255,0.85); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.nav-link { color: rgba(255,255,255,0.55); font-size: 0.82rem; text-decoration: none; transition: color 0.15s; }
.nav-link:hover { color: var(--white); }

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 60px);
}

/* ── Sidebar ── */
.sidebar {
  background: var(--off);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  position: sticky; top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}
.sidebar-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); padding: 0 1.25rem; margin-bottom: 0.75rem;
}
.chapter-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--muted); padding: 1rem 1.25rem 0.4rem;
}
.lesson-link {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.45rem 1.25rem;
  font-size: 0.82rem; color: var(--text);
  text-decoration: none; line-height: 1.4;
  transition: background 0.12s, color 0.12s;
  border-left: 2px solid transparent;
}
.lesson-link:hover { background: #ffe4e6; color: var(--accent); }
.lesson-link.active {
  background: var(--accent-bg); color: var(--accent);
  border-left-color: var(--accent); font-weight: 600;
}
.lesson-link.overview { font-weight: 600; }
.lesson-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--border); flex-shrink: 0; transition: background 0.12s;
}
.lesson-link.active .lesson-dot,
.lesson-link:hover .lesson-dot { background: var(--accent); }

/* ── Main ── */
.main { padding: 2.5rem 4rem; }

/* ── Lesson header ── */
.lesson-header { margin-bottom: 2rem; }
.lesson-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.6rem;
}
.lesson-header h1 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15;
  color: var(--navy);
}
.lesson-header h1 span { color: var(--accent); }

/* ── Lesson content ── */
.lesson-content h2 {
  font-size: 1.2rem; font-weight: 700; color: var(--navy);
  margin: 2rem 0 0.75rem; letter-spacing: -0.01em;
}
.lesson-content h3 {
  font-size: 1rem; font-weight: 700; color: var(--navy);
  margin: 1.5rem 0 0.5rem;
}
.lesson-content p { margin-bottom: 1rem; font-size: 0.93rem; }
.lesson-content ul, .lesson-content ol {
  margin: 0 0 1rem 1.3rem; font-size: 0.93rem;
}
.lesson-content li { margin-bottom: 0.3rem; }

/* ── Info boxes ── */
.info-box {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--accent-bg); border: 1px solid #fda4af;
  border-radius: 10px; padding: 1rem 1.25rem; margin: 1.5rem 0;
  font-size: 0.88rem; line-height: 1.6;
}
.info-box.warn { background: #fffbeb; border-color: #fcd34d; }
.info-box.tip  { background: #fff1f2; border-color: #fb7185; }
.info-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Retenir block ── */
.retenir {
  background: #0f172a; border-radius: 12px;
  padding: 1.5rem; margin: 2.5rem 0 0;
}
.retenir-title {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem;
  color: var(--accent2); letter-spacing: 0.06em; margin-bottom: 0.75rem;
}
.retenir ul { margin-left: 1.2rem; }
.retenir li { color: #cbd5e1; font-size: 0.86rem; margin-bottom: 0.4rem; }
.retenir li strong { color: #e2e8f0; }

/* ── Code blocks ── */
pre {
  background: #0f172a; border-radius: 10px;
  padding: 1.25rem 1.5rem; overflow-x: auto;
  margin: 1rem 0 1.5rem; font-size: 0.83rem; line-height: 1.7;
  border: 1px solid #1e293b;
}
code { font-family: 'IBM Plex Mono', monospace; }
p code, li code {
  background: var(--accent-bg); color: var(--accent);
  border-radius: 4px; padding: 0.15rem 0.4rem; font-size: 0.82em;
}
pre code { color: #e2e8f0; }
.hl-kw   { color: #7dd3fc; }
.hl-str  { color: #fb7185; }
.hl-fn   { color: #fbbf24; }
.hl-comment { color: #64748b; font-style: italic; }

/* ── Module overview ── */
.module-tag {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.6rem;
}
.module-desc { font-size: 0.95rem; color: var(--muted); margin: 1rem 0 1.5rem; line-height: 1.7; }
.module-meta {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  font-size: 0.83rem; color: var(--muted); margin-bottom: 1.5rem;
}
.meta-val { font-weight: 600; color: var(--text); }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--accent); color: white;
  padding: 0.7rem 1.5rem; border-radius: 8px;
  font-weight: 700; font-size: 0.9rem; text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.section-label {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem; display: block;
}
.obj-list { list-style: none; margin: 0 0 1.5rem; }
.obj-list li {
  padding: 0.45rem 0 0.45rem 1.4rem; font-size: 0.9rem;
  border-bottom: 1px solid var(--border); position: relative;
}
.obj-list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.prereq-box {
  background: var(--accent-bg); border: 1px solid #fda4af;
  border-radius: 10px; padding: 1rem 1.25rem; font-size: 0.88rem; margin-bottom: 1.5rem;
}
.chapters-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 1rem; }
.chapter-card { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.chapter-header {
  background: var(--off); padding: 0.75rem 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.chapter-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; flex-shrink: 0;
}
.chapter-header h3 { font-size: 0.95rem; font-weight: 700; color: var(--navy); }
.chapter-lessons { list-style: none; }
.chapter-lesson {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 1.25rem; border-bottom: 1px solid var(--border); font-size: 0.85rem;
}
.chapter-lesson:last-child { border-bottom: none; }
.lesson-left { display: flex; align-items: center; gap: 0.75rem; }
.lesson-num {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem;
  color: var(--muted); min-width: 22px;
}
.lesson-name { color: var(--text); text-decoration: none; font-weight: 500; }
.lesson-name:hover { color: var(--accent); }
.lesson-badge {
  font-size: 0.72rem; color: var(--muted);
  background: var(--off); border-radius: 4px; padding: 0.15rem 0.5rem;
}
.tool-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem; margin: 1rem 0 1.5rem;
}
.tool-card {
  background: var(--off); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.1rem; display: flex; flex-direction: column; gap: 0.4rem;
}
.tool-card-icon { font-size: 1.4rem; }
.tool-card h4 { font-size: 0.92rem; font-weight: 700; color: var(--navy); }
.tool-card p  { font-size: 0.8rem; color: var(--muted); line-height: 1.55; flex: 1; }
.tool-card-tag {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.65rem;
  color: var(--accent); background: var(--accent-bg);
  padding: 0.2rem 0.5rem; border-radius: 4px; align-self: flex-start; margin-top: auto;
}

/* ── Lesson nav ── */
.lesson-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border);
}
.lesson-nav a {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--accent); font-weight: 600; font-size: 0.88rem; text-decoration: none;
  padding: 0.5rem 1rem; border-radius: 8px; border: 1px solid var(--border);
  transition: background 0.15s, border-color 0.15s;
}
.lesson-nav a:hover { background: var(--accent-bg); border-color: var(--accent); }
.lesson-nav .next { background: var(--accent); color: white; border-color: var(--accent); }
.lesson-nav .next:hover { opacity: 0.88; }
.lesson-nav .empty { display: block; }

/* ── Screenshot/UI mockup box ── */
.screen-mock {
  background: #f8fafc; border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; margin: 1rem 0 1.5rem;
}
.screen-mock-bar {
  background: #e2e8f0; padding: 0.5rem 1rem;
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; color: var(--muted);
}
.screen-mock-content { padding: 1rem 1.25rem; font-size: 0.86rem; }

/* ── Footer ── */
footer {
  background: var(--navy); border-top: 1px solid rgba(255,255,255,0.07);
  padding: 1.5rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-brand { color: rgba(255,255,255,0.4); font-size: 0.8rem; }
.footer-brand strong { color: rgba(255,255,255,0.7); }
.footer-links { display: flex; gap: 1.5rem; }
footer a { color: rgba(255,255,255,0.4); font-size: 0.8rem; text-decoration: none; transition: color 0.15s; }
footer a:hover { color: var(--white); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .layout { grid-template-columns: 200px 1fr; }
  .main { padding: 2rem 1.5rem; }
}
@media (max-width: 680px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main { padding: 1.5rem 1rem; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; padding: 1.25rem 1rem; }
  .footer-links { gap: 1rem; }
}