/* ============================================================
   Bibliothèque DXF & AutoLISP — styles
   (extraits de index.html + styles inline regroupés en classes)
   ============================================================ */

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

:root {
  --ink: #0a0a0a;
  --paper: #ffffff;
  --hairline: .6px;
  --light: 1px;
  --serif: 'Cormorant Garamond', serif;
  --sans: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

body {
  font-family: var(--sans);
  font-weight: 300;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 14px;
}

/* ---------- En-tête ---------- */

header {
  background: var(--paper);
  border-bottom: var(--light) solid var(--ink);
  padding: 1.5rem 3rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}
.logo { display: flex; align-items: baseline; gap: .75rem; font-family: var(--serif); }
.logo-mark {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .2em;
  border: var(--hairline) solid var(--ink);
  padding: .3rem .6rem;
  text-transform: uppercase;
}
.logo-text { font-size: 1.5rem; font-weight: 600; letter-spacing: .02em; }

nav { display: flex; border: var(--hairline) solid var(--ink); }
.nav-btn {
  padding: .6rem 1.75rem;
  border: none;
  border-right: var(--hairline) solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .3s;
}
.nav-btn:last-child { border-right: none; }
.nav-btn:hover, .nav-btn.active { background: var(--ink); color: var(--paper); }

.search-container { position: relative; }
#search-input {
  padding: .6rem 1rem .6rem 2.5rem;
  border: var(--hairline) solid var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: .8rem;
  width: 280px;
  max-width: 100%;
}
#search-input::placeholder { color: #999; font-style: italic; }
.search-icon { position: absolute; left: .9rem; top: 50%; transform: translateY(-50%); opacity: .6; }

/* ---------- Hero ---------- */

.hero {
  padding: 3.5rem 3rem 3rem;
  border-bottom: var(--light) solid var(--ink);
}
.hero-content { max-width: 1400px; margin: 0 auto; }
.hero-index {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  opacity: .6;
}
.hero h1 {
  font-family: var(--sans);
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -.01em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: #0a0a0a;
}
.hero h1 em { font-style: normal; font-weight: 400; color: #0a0a0a; }
.hero-subtitle { font-size: .8rem; letter-spacing: .25em; text-transform: uppercase; opacity: .7; }
.hero-meta {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: var(--hairline) solid var(--ink);
}
.hero-meta-item { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; }
.hero-meta-item strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: .2rem;
}

/* ---------- Contenu ---------- */

main { max-width: 1400px; margin: 0 auto; padding: 2.5rem 3rem; }

.breadcrumb {
  padding: 0.75rem 0 1rem;
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  align-items: center;
  border-bottom: var(--hairline) solid var(--ink);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.crumb { cursor: pointer; padding: .25rem .5rem; opacity: .6; transition: all .2s; }
.crumb:hover { opacity: 1; border-bottom: var(--hairline) solid var(--ink); }
.crumb:not(:last-child)::after { content: "/"; margin-left: .75rem; opacity: .4; }
.crumb:last-child { opacity: 1; font-weight: 500; }

.content { display: flex; flex-direction: column; gap: 1rem; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: var(--hairline) solid var(--ink);
}
.section-title {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 400;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.section-title .num {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .5;
}
.file-count-badge {
  font-family: var(--mono);
  font-size: .7rem;
  padding: .2rem .6rem;
  border: var(--hairline) solid var(--ink);
  opacity: .6;
}

/* ----- Grille des catégories (ex-styles inline) ----- */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.category-card {
  cursor: pointer;
  padding: 1.25rem;
  border: var(--hairline) solid var(--ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  background: white;
  transition: background .2s;
}
.category-card:hover { background: #fafafa; }
.category-previews {
  display: flex;
  gap: .5rem;
  align-items: center;
  justify-content: center;
}
.category-previews canvas {
  border: var(--hairline) solid var(--ink);
  background: white;
}
.category-badge {
  width: 60px;
  height: 60px;
  border: var(--hairline) solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: bold;
  font-size: .9rem;
  background: #f5f5f5;
}
.category-name {
  font-family: var(--mono);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
}

/* ----- Lignes de fichiers ----- */

.file-item {
  display: flex;
  gap: 1.5rem;
  padding: 1rem;
  border: var(--hairline) solid transparent;
  transition: all .3s ease;
}
.file-item:hover {
  border-color: var(--ink);
  background: #fafafa;
}
.file-preview-box {
  width: 80px;
  height: 80px;
  border: var(--hairline) solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  cursor: zoom-in;
  transition: transform 0.2s;
  overflow: hidden;
}
.file-info { flex: 1; }
.file-info h4 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: .25rem;
}
.file-info p {
  font-family: var(--mono);
  font-size: .65rem;
  opacity: .5;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.file-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.btn-action {
  font-family: var(--mono);
  font-size: .6rem;
  padding: .4rem .8rem;
  border: var(--hairline) solid var(--ink);
  background: white;
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s;
}
.btn-action:hover { background: var(--ink); color: var(--paper); }
.btn-copy { border-style: dashed; }

.back-btn {
  font-family: var(--mono);
  font-size: .7rem;
  padding: .4rem .8rem;
  border: var(--hairline) solid var(--ink);
  background: white;
  cursor: pointer;
  margin-bottom: 1rem;
  width: fit-content;
}

.empty-state {
  padding: 3rem 1rem;
  text-align: center;
}
.empty-state h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  margin-bottom: .5rem;
}
.empty-state p {
  font-family: var(--mono);
  font-size: .7rem;
  opacity: .6;
}

/* ----- Encart de diagnostic (problème de configuration) ----- */

.notice {
  border: 1px dashed var(--ink);
  background: #fff8e6;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: .8rem;
  line-height: 1.6;
}
.notice ul {
  margin: .5rem 0 0 1.25rem;
}
.notice li { margin-bottom: .35rem; }
.notice strong { font-weight: 600; }

/* ---------- Lightbox ---------- */

#lightbox {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(255,255,255,0.98); z-index: 10000;
  display: none; justify-content: center; align-items: center;
  cursor: zoom-out; animation: fadeIn 0.3s ease;
}
#lightbox canvas {
  max-width: 95vw; max-height: 95vh;
  background: white;
  border: var(--hairline) solid var(--ink);
  padding: 1rem;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Pied de page ---------- */

footer {
  text-align: center;
  padding: 3rem 0;
  font-family: var(--mono);
  font-size: .7rem;
  border-top: var(--hairline) solid var(--ink);
  opacity: .6;
  margin-top: 4rem;
}
.footer-id { display: inline-block; text-align: center; }
.footer-name {
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: .5rem;
  display: block;
}
.footer-email { opacity: .8; display: block; }

/* ---------- Petits écrans ---------- */

@media (max-width: 720px) {
  header { padding: 1rem 1.25rem; }
  .hero { padding: 2.5rem 1.25rem 2rem; }
  .hero-meta { gap: 1.5rem; }
  main { padding: 1.5rem 1.25rem; }
  .search-container { flex: 1 1 100%; }
  #search-input { width: 100%; }
  .file-item { flex-wrap: wrap; gap: 1rem; }
}

/* ---------- Auto-refresh notification ---------- */

.auto-update-notif {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1a5f1a;
  color: white;
  padding: 1rem 1.5rem;
  border: 1px solid #0a0a0a;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 9999;
  animation: slideIn 0.3s ease;
  font-family: var(--sans);
  font-size: 0.9rem;
}

.notif-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.notif-btn {
  background: white;
  color: #1a5f1a;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 3px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.8rem;
  transition: all 0.2s;
}

.notif-btn:hover {
  background: #f0f0f0;
  transform: scale(1.05);
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@media (max-width: 720px) {
  .auto-update-notif {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    padding: 0.8rem 1rem;
    font-size: 0.8rem;
  }
  .notif-content {
    flex-direction: column;
    gap: 0.75rem;
  }
}