/* === Cours de français — Palette Modigliani sur blanc plume === */
:root {
  /* Fonds */
  --bg: #fafaf7;             /* blanc plume */
  --bg-soft: #f4f3ee;        /* blanc plume légèrement plus chaud */
  --bg-card: #ffffff;
  --bg-cream: #f7f5ee;       /* zone douce pour boîtes */

  /* Encres */
  --ink: #0c0c0c;            /* noir profond */
  --ink-soft: #525252;
  --line: #d4d2cc;
  --line-soft: #ebe9e3;

  /* Accents Modigliani */
  --terracotta: #c8472d;     /* terre cuite vive */
  --cobalt: #1f4e79;         /* bleu cobalt profond */
  --ocre: #e0a33d;           /* ocre moutarde */
  --vermilion: #d75a3c;
  --wine: #6b2435;           /* rouge vinasse */
  --olive: #6c7c3c;          /* vert olive */
  --noir-modigliani: #0c0c0c;

  /* Sémantique */
  --rheto: var(--cobalt);
  --rheto-bg: #e2eaf3;
  --premiere: var(--terracotta);
  --premiere-bg: #f9e0d8;
  --atelier: var(--ocre);
  --atelier-bg: #fbeed1;
  --lecture: var(--wine);
  --lecture-bg: #f1d8de;
  --ok: var(--olive);
  --ok-bg: #e6ebd5;
  --warning: var(--vermilion);

  --shadow: 0 4px 14px rgba(60,30,10,0.08);
  --shadow-strong: 0 10px 32px rgba(60,30,10,0.18);
  --radius: 4px;
  --radius-lg: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Hoefler Text", "Palatino Linotype", Palatino, Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 18px;
  min-height: 100vh;
}

/* ========= EN-TÊTE ========= */
header.site-header {
  background: var(--noir-modigliani);
  color: var(--bg);
  padding: 3rem 1.5rem 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

header.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, transparent 0%, transparent 35%, var(--terracotta) 35%, var(--terracotta) 38%, transparent 38%),
    linear-gradient(105deg, transparent 0%, transparent 60%, var(--ocre) 60%, var(--ocre) 62%, transparent 62%),
    linear-gradient(105deg, transparent 0%, transparent 80%, var(--cobalt) 80%, var(--cobalt) 83%, transparent 83%);
  opacity: 0.85;
  pointer-events: none;
}

header.site-header > * { position: relative; z-index: 1; }

header.site-header h1 {
  margin: 0 0 .4rem 0;
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  font-family: "Iowan Old Style", "Hoefler Text", Georgia, serif;
}

header.site-header p {
  margin: 0;
  opacity: 0.8;
  font-style: italic;
  font-size: 1.05rem;
}

/* Variantes par classe */
header.site-header.rheto-header {
  background: var(--cobalt);
}
header.site-header.rheto-header::before {
  background:
    linear-gradient(105deg, transparent 0%, transparent 70%, var(--ocre) 70%, var(--ocre) 73%, transparent 73%),
    linear-gradient(105deg, transparent 0%, transparent 88%, var(--terracotta) 88%, var(--terracotta) 91%, transparent 91%);
}

header.site-header.premiere-header {
  background: var(--terracotta);
}
header.site-header.premiere-header::before {
  background:
    linear-gradient(105deg, transparent 0%, transparent 70%, var(--ocre) 70%, var(--ocre) 73%, transparent 73%),
    linear-gradient(105deg, transparent 0%, transparent 88%, var(--cobalt) 88%, var(--cobalt) 91%, transparent 91%);
}

/* ========= NAVIGATION ========= */
nav.main-nav {
  background: var(--bg-cream);
  border-bottom: 3px solid var(--noir-modigliani);
  padding: .9rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

nav.main-nav a {
  color: var(--ink);
  text-decoration: none;
  padding: .5rem 1.05rem;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: 0.2px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: all .15s;
}

nav.main-nav a:hover {
  background: var(--noir-modigliani);
  color: var(--bg-cream);
  border-color: var(--noir-modigliani);
}

nav.main-nav a.active {
  background: var(--terracotta);
  color: white;
  border-color: var(--terracotta);
}

nav.main-nav a.sortir {
  border-color: var(--ink-soft);
  font-size: .82rem;
  margin-left: auto;
  opacity: .75;
}

nav.main-nav a.sortir:hover {
  background: var(--wine);
  border-color: var(--wine);
  opacity: 1;
}

/* Variantes nav par classe */
nav.main-nav.rheto a.active { background: var(--cobalt); border-color: var(--cobalt); }
nav.main-nav.premiere a.active { background: var(--terracotta); border-color: var(--terracotta); }

/* ========= STRUCTURE PRINCIPALE ========= */
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h2 {
  font-size: 2rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.3px;
  position: relative;
  padding-bottom: .5rem;
}

h2::after {
  content: "";
  display: block;
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--terracotta);
}

h2:nth-of-type(odd)::after { background: var(--cobalt); }
h2:nth-of-type(3n)::after { background: var(--ocre); }

h3 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-top: 2rem;
  font-weight: 700;
}

h4 {
  font-size: 1rem;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin: 0 0 .5rem 0;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
}

p, li { font-size: 1.05rem; }

a {
  color: var(--terracotta);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
a:hover { color: var(--wine); }

/* ========= CARTES ========= */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
  margin: 2rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem 1.5rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--ocre);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-strong);
}

.card.rheto::before { background: var(--cobalt); }
.card.premiere::before { background: var(--terracotta); }
.card.outil::before { background: var(--ocre); }
.card.atelier::before { background: var(--vermilion); }

.card h3 { margin: .6rem 0 .5rem 0; font-size: 1.2rem; color: var(--ink); }
.card p { margin: 0; font-size: .95rem; color: var(--ink-soft); }

/* ========= TAGS ========= */
.tag {
  display: inline-block;
  padding: .2rem .7rem;
  border-radius: 999px;
  font-size: .72rem;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  margin-right: .4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.tag.rheto { background: var(--rheto-bg); color: var(--cobalt); }
.tag.premiere { background: var(--premiere-bg); color: var(--terracotta); }
.tag.atelier { background: var(--atelier-bg); color: var(--ocre); }
.tag.lecture { background: var(--lecture-bg); color: var(--wine); }
.tag.correctif { background: var(--ok-bg); color: var(--ok); }

/* ========= BOÎTES ========= */
.box {
  background: var(--bg-card);
  border-left: 5px solid var(--ocre);
  padding: 1.2rem 1.5rem;
  margin: 1.8rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
}

.box.consigne { border-left-color: var(--terracotta); background: #fff8f3; }
.box.aide { border-left-color: var(--olive); background: #f5f7e8; }
.box.attention { border-left-color: var(--vermilion); background: #fdf0e8; }

/* ========= TEXTE LITTÉRAIRE ========= */
.text-litteraire {
  background: var(--bg-cream);
  border: 1px solid var(--line);
  padding: 1.8rem 2.2rem;
  margin: 2rem 0;
  border-radius: var(--radius);
  font-size: 1.1rem;
  line-height: 1.85;
  position: relative;
}

.text-litteraire::before {
  content: "❝";
  position: absolute;
  top: -8px;
  left: 18px;
  font-size: 3rem;
  color: var(--terracotta);
  font-family: Georgia, serif;
  line-height: 1;
  background: var(--bg-cream);
  padding: 0 8px;
}

.text-litteraire .source {
  font-size: .85rem;
  font-style: italic;
  color: var(--ink-soft);
  text-align: right;
  margin-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
  padding-top: .6rem;
}

.text-litteraire .vers { display: block; }
.text-litteraire .strophe { margin-bottom: 1.1rem; }

/* ========= DETAILS / ACCORDÉON ========= */
details {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--cobalt);
  border-radius: var(--radius);
  padding: 1rem 1.4rem;
  margin: 1rem 0;
  box-shadow: var(--shadow);
}

details > summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--cobalt);
  outline: none;
  font-size: 1.05rem;
}

details > summary:hover { color: var(--terracotta); }
details[open] > summary { margin-bottom: .9rem; padding-bottom: .6rem; border-bottom: 1px dashed var(--line); }

/* ========= EXERCICES ========= */
ol.exercice, ul.exercice {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.4rem 1.7rem 1.4rem 3rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--ocre);
}

ol.exercice li, ul.exercice li { margin-bottom: 1rem; }

/* ========= TABLEAUX ========= */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.8rem 0;
  background: var(--bg-card);
  box-shadow: var(--shadow);
  font-size: .98rem;
}

th, td {
  border: 1px solid var(--line-soft);
  padding: .7rem .9rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--noir-modigliani);
  color: var(--bg-cream);
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: .82rem;
  letter-spacing: 0.6px;
}

tbody tr:nth-child(even) { background: var(--bg-cream); }

/* ========= PIED ========= */
footer {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--bg-cream);
  font-size: .9rem;
  background: var(--noir-modigliani);
  border-top: 5px solid var(--terracotta);
}

footer p { margin: .3rem 0; }

/* ========= FIL D'ARIANE ========= */
.breadcrumb {
  font-size: .9rem;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0.3px;
}

.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; color: var(--terracotta); }

/* ========= TOC ========= */
.toc {
  background: var(--bg-cream);
  padding: 1.2rem 1.7rem;
  border-radius: var(--radius);
  margin: 2rem 0;
  border-left: 5px solid var(--cobalt);
  box-shadow: var(--shadow);
}

.toc h4 { color: var(--cobalt); }
.toc ul { margin: .4rem 0 0 0; padding-left: 1.4rem; }
.toc li { margin-bottom: .35rem; }
.toc a { color: var(--ink); text-decoration: none; border-bottom: 1px dotted var(--line); }
.toc a:hover { color: var(--terracotta); border-bottom-color: var(--terracotta); }

/* ========= BREVETS ========= */
.brevet {
  display: inline-block;
  padding: .35rem .9rem;
  background: var(--ocre);
  color: var(--noir-modigliani);
  border-radius: 999px;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: .82rem;
  font-weight: 700;
  margin: .3rem .3rem .3rem 0;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 4px rgba(60,30,10,0.15);
}

/* ========= PARCOURS ========= */
.parcours-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0;
}

.parcours {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  padding: 1.2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--terracotta);
}

.parcours.obligatoire { border-top-color: var(--terracotta); }
.parcours.entrainement { border-top-color: var(--ocre); }
.parcours.approfondissement { border-top-color: var(--cobalt); }

.parcours h4 { margin-top: 0; color: var(--ink); }
.parcours.obligatoire h4 { color: var(--terracotta); }
.parcours.entrainement h4 { color: var(--ocre); }
.parcours.approfondissement h4 { color: var(--cobalt); }

/* ========= PAGE D'ENTRÉE (CODE) ========= */
.entry-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background:
    radial-gradient(circle at 15% 20%, rgba(200,71,45,0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(31,78,121,0.13) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(224,163,61,0.08) 0%, transparent 70%),
    var(--bg);
}

.entry-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 3rem 3rem 2.5rem;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-strong);
  border-radius: var(--radius);
  border-top: 8px solid var(--terracotta);
  position: relative;
}

.entry-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 60%;
  height: 8px;
  background: var(--cobalt);
}

.entry-card .ornement {
  display: block;
  margin: 0 auto 1rem;
  width: 60px;
  height: 60px;
}

.entry-card h1 {
  margin: 0 0 .3rem 0;
  font-size: 1.9rem;
  color: var(--noir-modigliani);
  letter-spacing: -0.3px;
}

.entry-card .subtitle {
  margin: 0 0 2rem 0;
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1rem;
}

.entry-card label {
  display: block;
  margin-bottom: .5rem;
  text-align: left;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-soft);
  font-weight: 700;
}

.entry-card input[type="text"] {
  width: 100%;
  padding: .9rem 1rem;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 2px;
  text-align: center;
  background: var(--bg-cream);
  color: var(--ink);
  text-transform: uppercase;
  transition: border-color .15s;
}

.entry-card input[type="text"]:focus {
  outline: none;
  border-color: var(--terracotta);
  background: white;
}

.entry-card button {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: .9rem 1rem;
  background: var(--noir-modigliani);
  color: var(--bg-cream);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s;
}

.entry-card button:hover { background: var(--terracotta); }

.entry-card .erreur {
  color: var(--vermilion);
  margin-top: 1rem;
  font-style: italic;
  min-height: 1.4rem;
}

.entry-footer {
  margin-top: 2rem;
  font-size: .85rem;
  color: var(--ink-soft);
  text-align: center;
  font-style: italic;
  max-width: 460px;
}

/* ========= IMPRESSION ========= */
@media print {
  nav.main-nav, footer, .breadcrumb, header.site-header::before { display: none; }
  body { background: white; font-size: 11pt; line-height: 1.5; }
  body::before, body::after { display: none; }
  main { max-width: none; padding: 0; }
  .card { break-inside: avoid; box-shadow: none; }
  details { border: none; box-shadow: none; }
  details > summary { display: none; }
  details > *:not(summary) { display: block !important; }
  h2::after { display: none; }
  h2 { border-bottom: 2px solid black; }
  header.site-header { background: none; color: black; padding: 0 0 1rem 0; border-bottom: 3px solid black; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  header.site-header { padding: 2rem 1rem 2.5rem; }
  header.site-header h1 { font-size: 1.8rem; }
  nav.main-nav { padding: .5rem; gap: .25rem; }
  nav.main-nav a { padding: .4rem .7rem; font-size: .85rem; }
  main { padding: 1.5rem 1rem; }
  h2 { font-size: 1.6rem; }
  .text-litteraire { padding: 1.2rem 1.4rem; }
  .entry-card { padding: 2rem 1.5rem; }
}