/* ============================================================
   app.css — Inspiration Laetitia (base réutilisable)
   Structure pensée pour: index.php, categorie.php, pages admin, etc.
   ============================================================ */

/* =========================
   1) Variables / Thème
   ========================= */
:root{
  --mauve:#B9A8D0;
  --lavande:#C9C2E6;
  --creme:#FAF3E7;
  --violet:#6f5a9a;
  --text:#3b2f4a;
  --white:#fff;

  --shadow:0 12px 28px rgba(0,0,0,.12);
  --radius:22px;

  --gap:28px;
  --container:1100px;

  --border:#e9e2f2;
}

/* =========================
   2) Reset / Base
   ========================= */
*{box-sizing:border-box}
html,body{height:100%;margin:0;padding:0}
body{
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.45;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit}

/* Accessibilité */
:focus-visible{outline:3px solid var(--violet);outline-offset:2px}

/* =========================
   3) Fonds / Body helpers
   ========================= */
body.bg{background:var(--creme)}
body.bg-lavande{
  background:linear-gradient(to bottom,#e8d9f7 0%,#faf3e7 100%);
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

/* =========================
   4) Layout global
   ========================= */
main{
  display:block;
  padding:12px 20px 0;
}

/* Conteneur de page universel */
.page{
  width:min(var(--container), 92%);
  margin:0 auto;
  padding:24px 0 12px;
}
.page--mindmap{
  width:min(1200px, 98%);
  min-height:70vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:6px 0 18px;
}
.page--detail{
  padding:10px 0 4px;
}
.page--detail .page-title{
  margin-bottom:8px;
}
.page--detail .page-subtitle{
  margin:0 0 12px;
}
.page-title{
  font-size:32px;
  font-weight:800;
  text-align:center;
  margin:0 0 14px;
  color:var(--violet);
}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
.page-subtitle{
  text-align:center;
  font-size:16px;
  opacity:.85;
  margin:0 0 34px;
}

/* Breadcrumb (categorie.php, sous-pages) */
.breadcrumb{
  margin-bottom:18px;
  font-size:14px;
}
.breadcrumb a{
  color:var(--violet);
  text-decoration:none;
}
.breadcrumb a:hover{ text-decoration:underline; }
.breadcrumb span{ opacity:.65; }
.breadcrumb--compact{
  margin:0 auto 12px;
  width:min(920px, 96%);
  font-size:13px;
}

/* =========================
   5) Topbar / Header
   ========================= */
.topbar{
  display:flex;
  justify-content:center;
  align-items:center;
  position:relative;
  padding:40px 22px 20px;
  background:transparent;
  box-shadow:none;
  z-index:10;
}
.topbar .nav-right{
  position:absolute;
  right:22px;
  top:40px;
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}
.topbar .nav-right #installAppButton[hidden]{
  display:none;
}

/* Brand / logo */
.brand{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  font-weight:800;
  font-size:38px;
  color:var(--violet);
  text-decoration:none;
}
.logo{width:28px;height:28px;border-radius:50%;object-fit:cover}
.logo--lg{width:80px;height:80px;border-radius:50%;object-fit:cover;box-shadow:var(--shadow)}

/* =========================
   6) Boutons
   ========================= */
.btn{
  background:var(--mauve);
  color:var(--white);
  padding:10px 16px;
  border-radius:var(--radius);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  box-shadow:var(--shadow);
  border:0;
  cursor:pointer;
  transition:transform .12s ease,filter .12s ease;
}
.btn:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.small{padding:6px 12px;font-size:14px}
.btn.outline{
  background:transparent;
  border:1px solid var(--mauve);
  color:var(--violet);
  box-shadow:none;
}
.btn.outline:hover{filter:none;background:rgba(185,168,208,.12)}

/* =========================
   7) Cartes / Formulaires
   ========================= */
.card{
  max-width:520px;
  margin:20px auto;
  background:var(--white);
  padding:24px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.card h1{margin:0 0 16px;text-align:center}
.card label{display:block;margin-top:10px;font-size:14px;opacity:.9}
.card input,
.card select,
.card textarea{
  width:100%;
  padding:10px;
  border:1px solid #ddd;
  border-radius:12px;
  margin-top:4px;
  background:#fff;
}
.card textarea{min-height:110px;resize:vertical}

.alert{
  margin:10px 0;
  padding:10px;
  background:#ffe3e3;
  border-radius:12px;
}

/* =========================
   8) Grilles universelles
   ========================= */
.grid{
  display:grid;
  gap:var(--gap);
}
.grid-3{
  grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));
}
.grid-4{
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
}

/* Carte universelle (catégories, sous-catégories, fichiers, etc.) */
.item-card{
  background:var(--white);
  padding:24px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  text-align:center;
  text-decoration:none;
  transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
  border:1px solid rgba(0,0,0,0.02);
}
.item-card:hover{
  transform:translateY(-4px);
  filter:brightness(1.01);
}
.item-card h3{
  margin:0 0 8px;
  color:var(--violet);
  font-size:18px;
}
.item-card p{
  margin:0;
  font-size:14px;
  opacity:.85;
}

/* Variante “liste” si tu veux afficher des fichiers */
.list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.list-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 18px;
  background:var(--white);
  border-radius:16px;
  box-shadow:var(--shadow);
}
.list-item .meta{display:flex;flex-direction:column;gap:2px}
.list-item .meta .title{font-weight:700;color:var(--violet)}
.list-item .meta .desc{font-size:13px;opacity:.85}

/* =========================
   9) Mindmap + Bulles (homepage)
   ========================= */

/* Fallback mobile en bulles */
.center-bubbles{
  padding:20px 10px 10px;
  gap:30px;
  display:none; /* activé en mobile */
  flex-wrap:wrap;
  justify-content:center;
}

.bubble{
  display:flex;
  align-items:center;
  justify-content:center;
  width:160px;
  height:160px;
  background:var(--white);
  border-radius:999px;
  box-shadow:var(--shadow);
  text-decoration:none;
  color:var(--text);
  font-weight:700;
  text-align:center;
  padding:10px;
  transition:transform .15s ease,box-shadow .15s ease;
}
.bubble:hover{transform:translateY(-3px)}
.logo-bubble{background:transparent;box-shadow:none;pointer-events:none}
.logo-big{width:160px;height:160px;border-radius:999px;object-fit:cover;box-shadow:var(--shadow)}

/* Mindmap */
.mindmap{
  position:relative;
  width:min(950px, 92vw);
  height:min(750px, 70vh);
  margin:0 auto 10px;
}
.page--mindmap .mindmap{
  width:min(1080px, 96vw);
  height:min(780px, 75vh);
  margin:0;
}
.page--detail .mindmap{
  height:min(560px, 58vh);
  margin:0 auto;
}
.page--mindmap .center-bubbles{
  width:100%;
}
.page--mindmap .mindmap__core-label{
  display:none;
}
.mindmap__svg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  pointer-events:none;
}
.mindmap__center,
.mindmap__node{
  position:absolute;
  transform:translate(-50%,-50%);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  border-radius:999px;
  text-decoration:none;
  color:var(--text);
}
.mindmap__center{
  left:50%;
  top:50%;
  width:auto;
  height:auto;
  box-shadow:none;
  background:transparent;
}
.mindmap__center img{
  width:120px;
  height:120px;
  border-radius:50%;
  object-fit:cover;
  box-shadow:var(--shadow);
}
.mindmap__core-label{
  position:absolute;
  top:132px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  color:var(--violet);
  font-weight:700;
  font-size:13px;
  letter-spacing:.02em;
  max-width:240px;
  text-align:center;
}
.mindmap__node{
  width:140px;
  height:140px;
  background:var(--white);
  box-shadow:var(--shadow);
  flex-direction:column;
  gap:4px;
  padding:10px;
  font-weight:700;
  transition:transform .15s ease;
}
.mindmap__node:hover{transform:translate(-50%,-52%)}
.mindmap__label{padding:0 6px}
.mindmap__meta{
  font-size:12px;
  font-weight:600;
  color:var(--violet);
  opacity:.8;
}
.mindmap__node--static{
  cursor:default;
}

/* =========================
   10) Login layout
   ========================= */
.login-container{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px 10px;
}

/* =========================
   11) Toast / Flash messages
   ========================= */
.toast{
  position:fixed;
  top:90px;
  right:24px;
  z-index:9999;
  background:#e8fff0;
  color:#215732;
  border-left:4px solid #2e7d32;
  box-shadow:var(--shadow);
  border-radius:14px;
  padding:12px 14px;
  max-width:360px;
  font-size:14px;
}
.toast .close{
  border:0;
  background:transparent;
  cursor:pointer;
  float:right;
  font-size:16px;
  line-height:1;
  color:#215732;
}

/* =========================
   12) Footer
   ========================= */
.footer{
  text-align:center;
  background:#e8d9f7;
  display:block;
  min-height:0;
  padding:2px 14px 8px;
  margin-top:0;
  font-size:14px;
}
.footer__line{
  margin:0;
  line-height:1.2;
}
.footer a{
  color:#2b4fa0;
  text-decoration:underline;
}

/* =========================
   13) Responsive
   ========================= */
@media (max-width:700px){
  .mindmap{display:none}
  .center-bubbles{display:flex}
}

@media (max-width:640px){
  .topbar{padding:26px 14px 14px}
  .topbar .nav-right{top:16px;right:10px}
  .brand{font-size:30px}
  .logo--lg{width:64px;height:64px}

  main{padding:14px}
  .page{padding:26px 0 18px}
  .page--mindmap{
    min-height:auto;
    padding:20px 0 10px;
  }
  .page-title{font-size:26px}

  .bubble{width:140px;height:140px}
  .card{margin:14px auto}
  .toast{right:12px;left:12px;max-width:none}
}

/* =========================
   14) Admin
   ========================= */
.admin-page{
  width:min(1300px, 96%);
}
.admin-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  margin:0 0 20px;
}
.admin-nav a{
  text-decoration:none;
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 14px;
  box-shadow:0 4px 10px rgba(0,0,0,.05);
}
.admin-nav form{
  margin-left:auto;
}
.admin-grid{
  display:grid;
  grid-template-columns:minmax(320px, 420px) minmax(0, 1fr);
  gap:20px;
  align-items:start;
}
.admin-card-form{
  margin:0;
}
.admin-actions{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.admin-role-list{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:8px;
}
.admin-checkbox{
  display:flex;
  align-items:center;
  gap:8px;
}
.admin-checkbox input[type="checkbox"]{
  width:auto;
  margin:0;
}
.admin-checkbox input[type="radio"]{
  width:auto;
  margin:0;
}
.admin-table-wrap{
  background:#fff;
  border-radius:16px;
  box-shadow:var(--shadow);
  overflow:auto;
  padding:12px;
}
.admin-table{
  width:100%;
  border-collapse:collapse;
  min-width:720px;
}
.admin-table th,
.admin-table td{
  text-align:left;
  border-bottom:1px solid #eee;
  padding:10px 8px;
  vertical-align:top;
}
.admin-table th{
  color:var(--violet);
  font-weight:700;
}
.admin-row-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.admin-row-actions form{
  margin:0;
}
.admin-cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:14px;
}
.admin-card{
  display:flex;
  flex-direction:column;
  gap:4px;
  text-decoration:none;
  background:#fff;
  padding:18px;
  border-radius:16px;
  box-shadow:var(--shadow);
}
.alert--success{
  background:#e8fff0;
  border-left:4px solid #2e7d32;
}
.alert--danger{
  background:#ffe3e3;
  border-left:4px solid #b33636;
}

@media (max-width:980px){
  .admin-grid{
    grid-template-columns:1fr;
  }
  .admin-nav form{
    margin-left:0;
  }
}