/* ============================================================
   Préau — design system
   Palette : vert sauge + terracotta + crème.
   Style : glass léger, formes douces, mobile-first.
   ============================================================ */

:root {
  /* Palette principale */
  --sauge-tres-clair: #e8eee4;
  --sauge-clair: #cfdbc7;
  --sauge: #8da785;
  --sauge-fonce: #5e7558;

  --terra-tres-clair: #fbede2;
  --terra-clair: #f1c9ad;
  --terra: #c98565;
  --terra-fonce: #9b5a3d;

  --creme: #faf6ee;
  --creme-fonce: #f1e9d8;

  --texte: #2d2926;
  --texte-doux: #5d544a;
  --texte-discret: #948876;

  /* Surfaces glass */
  --glass-fond: rgba(255, 253, 248, 0.65);
  --glass-fond-fort: rgba(255, 253, 248, 0.85);
  --glass-bordure: rgba(255, 255, 255, 0.75);
  --glass-bordure-douce: rgba(141, 167, 133, 0.22);
  --glass-blur: blur(20px) saturate(135%);

  /* Sémantique urgence — tons doux et naturels, jamais alarmistes */
  --urgence-faible: #b8d0a8;
  --urgence-moyen: #ecd29a;
  --urgence-eleve: #ecb088;
  --urgence-critique: #d68f8f;

  /* Statut */
  --statut-nouveau: var(--sauge-fonce);
  --statut-discussion: #b394c4;
  --statut-repondu: var(--terra);
  --statut-clos: var(--texte-discret);

  /* Radius et ombres */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  --ombre-douce: 0 4px 18px rgba(94, 117, 88, 0.08);
  --ombre-flottante: 0 14px 38px rgba(94, 117, 88, 0.14);

  --t-rapide: 160ms ease;
  --t-doux: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----------------------------------------------------------- reset & base */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Text",
               "Helvetica Neue", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--texte);
  background:
    radial-gradient(900px 600px at 5% -10%, var(--sauge-clair) 0%, transparent 55%),
    radial-gradient(800px 500px at 105% 5%, var(--terra-clair) 0%, transparent 50%),
    radial-gradient(700px 400px at 50% 100%, var(--creme-fonce) 0%, transparent 60%),
    linear-gradient(180deg, var(--creme) 0%, #f6efe1 100%);
  background-attachment: fixed;
}

h1, h2, h3, h4 { color: var(--texte); margin: 0 0 0.5em; line-height: 1.2; letter-spacing: -0.015em; }
h1 { font-size: 1.85rem; font-weight: 650; }
h2 { font-size: 1.4rem; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0 0 1em; }

a { color: var(--terra-fonce); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

small, .muted { color: var(--texte-doux); font-size: 0.875rem; }

/* ----------------------------------------------------------- layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  background: var(--glass-fond);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-bordure-douce);
}

.site-header .logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--texte);
  letter-spacing: -0.01em;
}
.site-header .logo::before {
  content: "";
  width: 24px; height: 24px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: linear-gradient(135deg, var(--sauge) 0%, var(--sauge-fonce) 100%);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.5);
}

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.site-main {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.25rem 1.1rem 5rem;
}

.site-footer {
  text-align: center;
  color: var(--texte-doux);
  font-size: 0.85rem;
  padding: 1.5rem 1rem 3rem;
}

/* ----------------------------------------------------------- cartes glass */
.glass-card {
  background: var(--glass-fond);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-bordure);
  border-radius: var(--r-lg);
  box-shadow: var(--ombre-douce);
  padding: 1.25rem;
}
.glass-card.strong { background: var(--glass-fond-fort); }
.glass-card + .glass-card { margin-top: 1rem; }

.glass-card h2:first-child,
.glass-card h3:first-child { margin-top: 0; }

/* ----------------------------------------------------------- hero */
.hero { padding: 2rem 0.25rem 1.5rem; }
.hero h1 {
  font-size: clamp(1.85rem, 5vw, 2.6rem);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.hero .lede {
  font-size: 1.08rem;
  color: var(--texte-doux);
  max-width: 56ch;
}
.hero .cta-row { margin-top: 1.5rem; }

/* ----------------------------------------------------------- boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.15rem;
  font-size: 0.98rem;
  font-weight: 550;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--t-rapide), box-shadow var(--t-rapide), background var(--t-rapide);
  white-space: nowrap;
  font-family: inherit;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--terra) 0%, var(--terra-fonce) 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(155, 90, 61, 0.28);
}
.btn-primary:hover { box-shadow: 0 8px 22px rgba(155, 90, 61, 0.36); color: #fff; }

.btn-sauge {
  background: linear-gradient(135deg, var(--sauge) 0%, var(--sauge-fonce) 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(94, 117, 88, 0.25);
}
.btn-sauge:hover { color: #fff; }

.btn-ghost {
  background: var(--glass-fond-fort);
  color: var(--texte);
  border-color: var(--glass-bordure-douce);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.btn-ghost:hover { background: #fff; }

.btn-soft {
  background: var(--sauge-tres-clair);
  color: var(--sauge-fonce);
}
.btn-soft:hover { background: var(--sauge-clair); }

.btn-discret {
  background: transparent;
  color: var(--texte-doux);
  padding: 0.55rem 0.85rem;
}
.btn-discret:hover { background: rgba(0,0,0,0.04); color: var(--texte); }

.btn-bloc { width: 100%; }
.btn-sm { padding: 0.5rem 0.85rem; font-size: 0.88rem; }

.cta-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }

/* ----------------------------------------------------------- badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--r-pill);
  background: var(--sauge-tres-clair);
  color: var(--sauge-fonce);
}
.badge::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
}
.badge.no-dot::before { display: none; }

.badge-urgence-faible   { background: #e0ecd8; color: #4a6c3a; }
.badge-urgence-moyen    { background: #f7e8c4; color: #8a6b20; }
.badge-urgence-eleve    { background: #f7d6bb; color: #8c4f28; }
.badge-urgence-critique { background: #efcfcf; color: #8e3a3a; }

.badge-statut-nouveau    { background: var(--sauge-tres-clair); color: var(--sauge-fonce); }
.badge-statut-discussion { background: #ece1f5; color: #6e4a8c; }
.badge-statut-repondu    { background: var(--terra-tres-clair); color: var(--terra-fonce); }
.badge-statut-clos       { background: #ebe5d8; color: var(--texte-doux); }

.badge-categorie { background: var(--creme-fonce); color: var(--texte-doux); }

/* ----------------------------------------------------------- formulaires */
.form-field { margin-bottom: 1rem; }
.form-field label {
  display: block;
  font-size: 0.92rem;
  font-weight: 550;
  margin-bottom: 0.35rem;
  color: var(--texte);
}
.form-field .aide {
  display: block;
  font-size: 0.82rem;
  color: var(--texte-doux);
  margin-top: 0.3rem;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  font: inherit;
  color: var(--texte);
  background: rgba(255, 253, 248, 0.9);
  border: 1px solid var(--glass-bordure-douce);
  border-radius: var(--r-md);
  transition: border-color var(--t-rapide), box-shadow var(--t-rapide), background var(--t-rapide);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--sauge);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(141, 167, 133, 0.22);
}
textarea { resize: vertical; min-height: 120px; line-height: 1.55; }

.field-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.field-row > .form-field { flex: 1 1 200px; }

/* Choix visuels (urgence, catégorie) */
.choix-grille {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.choix-radio {
  position: relative;
  display: block;
  cursor: pointer;
}
.choix-radio input { position: absolute; opacity: 0; pointer-events: none; }
.choix-radio .case {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 253, 248, 0.8);
  border: 1.5px solid var(--glass-bordure-douce);
  border-radius: var(--r-md);
  transition: all var(--t-rapide);
}
.choix-radio .case .titre { font-weight: 600; font-size: 0.95rem; }
.choix-radio .case .desc { font-size: 0.8rem; color: var(--texte-doux); }
.choix-radio:hover .case { background: #fff; border-color: var(--sauge); }
.choix-radio input:checked + .case {
  background: var(--sauge-tres-clair);
  border-color: var(--sauge-fonce);
  box-shadow: 0 0 0 3px rgba(141, 167, 133, 0.18);
}

/* ----------------------------------------------------------- pseudo & avatar */
.pseudo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 550;
}
.pseudo .avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--sauge) 0%, var(--sauge-fonce) 100%);
}
.pseudo.ecoute .avatar {
  background: linear-gradient(135deg, var(--terra) 0%, var(--terra-fonce) 100%);
}

/* ----------------------------------------------------------- liste signalements */
.liste-signalements { display: flex; flex-direction: column; gap: 0.75rem; }
.signalement-item {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1rem 1.1rem;
  background: var(--glass-fond);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-bordure);
  border-radius: var(--r-md);
  transition: transform var(--t-rapide), box-shadow var(--t-rapide);
}
.signalement-item:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--ombre-flottante);
}
.signalement-item .meta {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 0.35rem;
}
.signalement-item .titre { font-weight: 600; margin: 0.2rem 0; }
.signalement-item .extrait {
  color: var(--texte-doux);
  font-size: 0.92rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.signalement-item .date { color: var(--texte-discret); font-size: 0.8rem; }

/* ----------------------------------------------------------- fil de discussion */
.fil { display: flex; flex-direction: column; gap: 0.85rem; }
.fil-bulle {
  max-width: 85%;
  padding: 0.85rem 1.05rem;
  border-radius: var(--r-lg);
  background: var(--glass-fond-fort);
  border: 1px solid var(--glass-bordure-douce);
  position: relative;
}
.fil-bulle .auteur {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; color: var(--texte-doux); margin-bottom: 0.3rem;
}
.fil-bulle .contenu { white-space: pre-wrap; }
.fil-bulle .quand { font-size: 0.75rem; color: var(--texte-discret); margin-top: 0.4rem; }

.fil-bulle.eleve {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--sauge-tres-clair) 0%, #dde9d3 100%);
  border-color: rgba(141, 167, 133, 0.35);
}
.fil-bulle.ecoute { align-self: flex-start; }
.fil-bulle.interne {
  align-self: flex-start;
  background: rgba(252, 247, 222, 0.7);
  border: 1px dashed #d9c98c;
  max-width: 95%;
}
.fil-bulle.interne .auteur::after {
  content: "discussion interne — invisible pour l'élève";
  font-style: italic; font-size: 0.72rem;
  margin-left: 0.4rem;
  padding: 0.1rem 0.5rem;
  background: rgba(255, 235, 170, 0.5);
  border-radius: var(--r-pill);
}

.fil-composer {
  position: sticky;
  bottom: 0;
  padding-top: 0.6rem;
  margin-top: 0.8rem;
}

/* ----------------------------------------------------------- toolbar et filtres */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; flex-wrap: wrap;
  margin-bottom: 1rem;
}
.filtres { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.filtre-chip {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--r-pill);
  background: rgba(255,253,248,0.75);
  border: 1px solid var(--glass-bordure-douce);
  color: var(--texte-doux);
  cursor: pointer;
  font-family: inherit;
  transition: all var(--t-rapide);
}
.filtre-chip:hover { background: #fff; color: var(--texte); }
.filtre-chip.actif {
  background: var(--sauge-fonce);
  color: #fff;
  border-color: var(--sauge-fonce);
}

/* ----------------------------------------------------------- flashes & alertes */
.flash-list { list-style: none; padding: 0; margin: 0 0 1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.flash {
  padding: 0.7rem 1rem;
  border-radius: var(--r-md);
  background: var(--glass-fond-fort);
  border: 1px solid var(--glass-bordure-douce);
  font-size: 0.92rem;
}
.flash-info { border-left: 3px solid var(--sauge); }
.flash-success { border-left: 3px solid var(--urgence-faible); }
.flash-warning { border-left: 3px solid var(--urgence-moyen); }
.flash-error { border-left: 3px solid var(--urgence-critique); }

.note-demo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  margin-bottom: 1rem;
  background: rgba(252, 247, 222, 0.85);
  border: 1px dashed #d9c98c;
  border-radius: var(--r-md);
  font-size: 0.85rem;
  color: #7a5e1a;
}
.note-demo::before { content: "🎭"; font-size: 1rem; }

/* ----------------------------------------------------------- features grille (landing) */
.features {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 2rem;
}
.feature {
  padding: 1.35rem;
  background: var(--glass-fond);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-bordure);
  border-radius: var(--r-lg);
}
.feature .ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  font-size: 1.3rem;
  background: var(--sauge-tres-clair);
  border-radius: var(--r-md);
  margin-bottom: 0.7rem;
}
.feature:nth-child(2) .ico { background: var(--terra-tres-clair); }
.feature:nth-child(3) .ico { background: var(--creme-fonce); }
.feature h3 { margin: 0.2rem 0 0.3rem; }
.feature p { margin: 0; color: var(--texte-doux); font-size: 0.95rem; }

/* ----------------------------------------------------------- layout 2 colonnes (desktop) */
.layout-2col {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

/* ----------------------------------------------------------- navigation bas mobile */
.bottom-nav { display: none; }

/* ----------------------------------------------------------- responsive */
@media (min-width: 720px) {
  .features { grid-template-columns: repeat(3, 1fr); }
  .site-main { padding: 1.5rem 1.5rem 4rem; }
}

@media (min-width: 1024px) {
  .layout-2col {
    grid-template-columns: 320px 1fr;
    align-items: start;
  }
  .layout-2col .col-aside { position: sticky; top: 80px; }
  .site-main { padding: 2rem 2rem 4rem; max-width: 1180px; }
  h1 { font-size: 2.1rem; }
}

@media (max-width: 719px) {
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 20;
    padding: 0.4rem 0.6rem calc(0.4rem + env(safe-area-inset-bottom, 0px));
    background: var(--glass-fond-fort);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-bordure-douce);
    justify-content: space-around;
  }
  .bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.4rem;
    font-size: 0.72rem;
    color: var(--texte-doux);
    text-decoration: none;
    border-radius: var(--r-md);
  }
  .bottom-nav a.actif { color: var(--sauge-fonce); background: var(--sauge-tres-clair); }
  .bottom-nav a .ico { font-size: 1.2rem; line-height: 1; }
  body.has-bottom-nav .site-main { padding-bottom: 6rem; }
}

/* ----------------------------------------------------------- accessibilité */
:focus-visible {
  outline: 2px solid var(--sauge-fonce);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}