/* ============================================================
   GRIOT IA — DESIGN SYSTEM
   ============================================================ */
:root{
  --primary:#1A1A2E;
  --accent:#F5A623;
  --success:#27AE60;
  --error:#E74C3C;
  --bg:#FAFAFA;
  --card:#FFFFFF;
  --text:#2C3E50;
  --text-secondary:#7F8C8D;
  --radius-btn:50px;
  --radius-card:16px;
  --shadow-card:0 2px 12px rgba(0,0,0,0.08);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:var(--font);cursor:pointer;border:none;background:none;}
input,textarea,select{font-family:var(--font);}
ul{list-style:none;}

.container{max-width:1080px;margin:0 auto;padding:0 20px;}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:14px 28px;
  font-weight:700;
  font-size:15px;
  transition:transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--accent);color:#1A1A2E;}
.btn-primary:hover{box-shadow:0 4px 16px rgba(245,166,35,.4);}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent);}
.btn-dark{background:var(--primary);color:#fff;}
.btn-success{background:var(--success);color:#fff;}
.btn-danger{background:var(--error);color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:8px 18px;font-size:13px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;}

/* ---------- Cartes ---------- */
.card{
  background:var(--card);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:20px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid #eee;
  padding:14px 0;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;}
.logo{font-size:20px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:6px;}
.logo .dot{color:var(--accent);}

/* ---------- Formulaires ---------- */
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text);}
.form-control{
  width:100%;padding:14px 16px;border-radius:12px;border:1.5px solid #E0E0E0;
  font-size:15px;background:#fff;color:var(--text);
  transition:border-color .15s;
}
.form-control:focus{outline:none;border-color:var(--accent);}
.form-hint{font-size:12px;color:var(--text-secondary);margin-top:4px;}
.form-error{font-size:12px;color:var(--error);margin-top:4px;}

/* ---------- Toast ---------- */
#toast-container{
  position:fixed;bottom:90px;left:50%;transform:translateX(-50%);
  z-index:9999;display:flex;flex-direction:column;gap:8px;align-items:center;
  width:calc(100% - 40px);max-width:400px;
}
.toast{
  background:var(--primary);color:#fff;padding:12px 20px;border-radius:12px;
  font-size:14px;box-shadow:0 4px 16px rgba(0,0,0,.2);
  animation:toast-in .2s ease;
  width:100%;text-align:center;
}
.toast.success{background:var(--success);}
.toast.error{background:var(--error);}
@keyframes toast-in{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

/* ---------- Carrousel vidéos ---------- */
.carousel{
  display:flex;gap:14px;overflow-x:auto;padding:8px 20px 16px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.carousel::-webkit-scrollbar{height:0;}
.carousel-item{
  flex:0 0 auto;width:220px;scroll-snap-align:start;
  border-radius:var(--radius-card);overflow:hidden;background:#000;
  box-shadow:var(--shadow-card);
}
.carousel-item .video-wrap{position:relative;width:100%;aspect-ratio:9/16;background:#111;}
.carousel-item iframe{width:100%;height:100%;border:0;}
.carousel-item .video-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1A1A2E,#2C2C4E);color:var(--accent);font-size:32px;cursor:pointer;
}
.carousel-item .caption{padding:10px;color:#fff;font-size:13px;background:var(--primary);}

/* ---------- Nav élève (bas) ---------- */
.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:#fff;border-top:1px solid #eee;
  display:flex;justify-content:space-around;align-items:center;
  padding:8px 4px calc(8px + env(safe-area-inset-bottom));
  box-shadow:0 -2px 12px rgba(0,0,0,.06);
}
.bottom-nav a{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  font-size:10px;color:var(--text-secondary);padding:4px 6px;border-radius:10px;flex:1;
}
.bottom-nav a .icon{font-size:20px;}
.bottom-nav a.active{color:var(--accent);font-weight:700;}
.app-content{padding:16px 16px 90px;max-width:640px;margin:0 auto;}

/* ---------- Sidebar admin ---------- */
.admin-layout{display:flex;min-height:100vh;}
.admin-sidebar{
  width:230px;background:var(--primary);color:#fff;flex-shrink:0;
  padding:20px 0;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.admin-sidebar .logo{color:#fff;padding:0 20px 20px;}
.admin-sidebar .dot{color:var(--accent);}
.admin-nav a{
  display:flex;align-items:center;gap:10px;padding:12px 20px;color:rgba(255,255,255,.7);font-size:14px;
}
.admin-nav a.active,.admin-nav a:hover{background:rgba(255,255,255,.08);color:#fff;border-left:3px solid var(--accent);}
.admin-content{flex:1;padding:28px;max-width:1100px;}
@media(max-width:800px){
  .admin-layout{flex-direction:column;}
  .admin-sidebar{width:100%;height:auto;position:relative;overflow-x:auto;padding:10px 0;}
  .admin-nav{display:flex;overflow-x:auto;}
  .admin-nav a{white-space:nowrap;border-left:none;border-bottom:3px solid transparent;}
  .admin-nav a.active{border-left:none;border-bottom:3px solid var(--accent);}
  .admin-content{padding:16px;}
}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;}
.badge-gold{background:#FFF4E0;color:#B87200;}
.badge-green{background:#E7F8EF;color:var(--success);}
.badge-red{background:#FDEDEC;color:var(--error);}
.badge-dark{background:var(--primary);color:#fff;}

/* ---------- Sections landing ---------- */
.section{padding:60px 0;}
.section-title{font-size:26px;font-weight:800;text-align:center;color:var(--primary);margin-bottom:8px;}
.section-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:15px;}
.hero{background:linear-gradient(160deg,var(--primary) 0%,#2C2C4E 100%);color:#fff;padding:70px 0 50px;text-align:center;}
.hero h1{font-size:32px;font-weight:800;line-height:1.25;margin-bottom:12px;}
.hero .accent{color:var(--accent);}
.hero p{font-size:16px;opacity:.85;margin-bottom:28px;}
.hero-guarantees{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:28px;font-size:13px;opacity:.85;}
.hero-guarantees span{display:flex;align-items:center;gap:6px;}

.pain-grid,.solution-grid,.pricing-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){
  .pain-grid{grid-template-columns:repeat(3,1fr);}
  .solution-grid{grid-template-columns:repeat(3,1fr);}
  .pricing-grid{grid-template-columns:repeat(3,1fr);}
}
.pain-card{text-align:center;}
.pain-card .emoji{font-size:34px;margin-bottom:10px;}

.pricing-card{position:relative;border:2px solid transparent;text-align:center;}
.pricing-card.popular{border-color:var(--accent);}
.pricing-card .badge-popular{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#1A1A2E;font-size:11px;font-weight:800;padding:4px 14px;border-radius:20px;
}
.pricing-card .price{font-size:30px;font-weight:800;color:var(--primary);margin:10px 0;}
.pricing-card .price small{font-size:13px;font-weight:500;color:var(--text-secondary);}
.pricing-card ul{margin:16px 0;text-align:left;}
.pricing-card ul li{padding:6px 0;font-size:14px;display:flex;gap:8px;align-items:flex-start;}

.faq-item{border-bottom:1px solid #eee;}
.faq-question{
  padding:16px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:15px;
}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease;font-size:14px;color:var(--text-secondary);}
.faq-answer p{padding-bottom:16px;}
.faq-item.open .faq-answer{max-height:400px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-icon{transition:transform .2s;font-size:20px;color:var(--accent);}

.cta-final{background:var(--primary);color:#fff;text-align:center;padding:60px 20px;}

.site-footer{background:#111122;color:rgba(255,255,255,.6);padding:40px 20px;text-align:center;font-size:13px;}
.site-footer .logo{color:#fff;justify-content:center;margin-bottom:12px;}
.footer-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:14px 0;}

/* ---------- Utilitaires ---------- */
.flex{display:flex;}
.flex-col{display:flex;flex-direction:column;}
.items-center{align-items:center;}
.justify-between{justify-content:space-between;}
.gap-8{gap:8px;}
.gap-12{gap:12px;}
.gap-16{gap:16px;}
.mt-8{margin-top:8px;}
.mt-16{margin-top:16px;}
.mt-24{margin-top:24px;}
.mb-16{margin-bottom:16px;}
.text-center{text-align:center;}
.text-secondary{color:var(--text-secondary);}
.text-sm{font-size:13px;}
.w-full{width:100%;}
.loader{
  width:20px;height:20px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite;
}
.loader-dark{border:3px solid rgba(26,26,46,.2);border-top-color:var(--primary);}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- FOMO (verrou fonctionnalité) ---------- */
.fomo-wrap{position:relative;}
.fomo-blur{filter:blur(6px);pointer-events:none;user-select:none;}
.fomo-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:20px;background:rgba(255,255,255,.6);border-radius:var(--radius-card);
}
.fomo-overlay .lock{font-size:36px;}

/* ---------- Coach IA flottant ---------- */
#coach-ia-btn{
  position:fixed;bottom:80px;right:16px;z-index:300;
  width:56px;height:56px;border-radius:50%;background:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:26px;
  box-shadow:0 4px 16px rgba(0,0,0,.25);
}
#coach-ia-panel{
  position:fixed;bottom:0;left:0;right:0;z-index:400;
  background:#fff;border-radius:20px 20px 0 0;height:70vh;
  display:none;flex-direction:column;box-shadow:0 -4px 24px rgba(0,0,0,.2);
}
#coach-ia-panel.open{display:flex;}
.coach-header{padding:14px 18px;background:var(--primary);color:#fff;border-radius:20px 20px 0 0;display:flex;justify-content:space-between;align-items:center;}
.coach-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;}
.coach-msg{max-width:80%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.4;}
.coach-msg.bot{background:#F0F0F5;align-self:flex-start;}
.coach-msg.user{background:var(--accent);color:#1A1A2E;align-self:flex-end;}
.coach-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid #eee;}
.coach-input-row input{flex:1;}
#coach-overlay{position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:350;display:none;}
#coach-overlay.open{display:block;}

@media(min-width:800px){
  #coach-ia-panel{left:auto;width:400px;height:600px;border-radius:20px;bottom:90px;right:20px;}
}

table.compare-table{width:100%;border-collapse:collapse;margin-top:20px;font-size:13px;}
table.compare-table th,table.compare-table td{padding:10px;border:1px solid #eee;text-align:center;}
table.compare-table th{background:var(--primary);color:#fff;}

/* ============================================================
   CLASSROOM — style "Skool" (cartes modules, progression, leçons)
   ============================================================ */
.module-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){
  .module-grid{grid-template-columns:repeat(2,1fr);}
}
.module-card{
  background:var(--card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  overflow:hidden;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
}
.module-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.12);}
.module-card .cover{
  width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,var(--primary),#2C2C4E);
  display:flex;align-items:center;justify-content:center;font-size:36px;color:var(--accent);
  background-size:cover;background-position:center;
}
.module-card .body{padding:16px;}
.module-card .title{font-weight:700;font-size:16px;color:var(--primary);margin-bottom:6px;}
.module-card .desc{
  font-size:13px;color:var(--text-secondary);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:2.6em;
}
.module-card .progress-row{display:flex;align-items:center;gap:8px;margin-top:12px;}
.module-card .progress-bar-track{flex:1;height:8px;background:#eee;border-radius:10px;overflow:hidden;}
.module-card .progress-bar-fill{height:100%;background:var(--accent);}
.module-card .progress-pct{font-size:12px;font-weight:700;color:var(--primary);white-space:nowrap;}

.lesson-row{
  display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--card);
  border-radius:12px;box-shadow:var(--shadow-card);margin-top:10px;cursor:pointer;
}
.lesson-row .icon{font-size:20px;width:28px;text-align:center;flex-shrink:0;}
.lesson-row .info{flex:1;min-width:0;}
.lesson-row .info .title{font-weight:600;font-size:14px;color:var(--text);}
.lesson-row .info .meta{font-size:12px;color:var(--text-secondary);margin-top:2px;}
.lesson-row.locked{opacity:.6;}
.lesson-row.done .icon{color:var(--success);}

.lesson-type-badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:10px;font-weight:700;}
.lesson-type-badge.video{background:#FDECE0;color:#B8560A;}
.lesson-type-badge.pdf{background:#FDEDEC;color:var(--error);}
.lesson-type-badge.text{background:#E7F2FD;color:#1E6FBF;}

.lesson-content-text{
  background:var(--card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:24px;font-size:15px;line-height:1.7;color:var(--text);white-space:pre-wrap;
}
.pdf-frame{width:100%;height:70vh;border-radius:var(--radius-card);overflow:hidden;background:#f0f0f0;}
.pdf-frame iframe{width:100%;height:100%;border:0;}

.reorder-btns{display:flex;flex-direction:column;gap:2px;}
.reorder-btns button{
  width:24px;height:20px;display:flex;align-items:center;justify-content:center;
  background:#F0F0F5;border-radius:4px;font-size:11px;color:var(--text-secondary);
}
.reorder-btns button:hover{background:var(--accent);color:#1A1A2E;}
.reorder-btns button:disabled{opacity:.3;pointer-events:none;}

.admin-module-card{background:var(--card);border-radius:12px;box-shadow:var(--shadow-card);padding:16px;margin-top:16px;}
.admin-module-card .cover-preview{
  width:100%;aspect-ratio:16/9;border-radius:8px;background:linear-gradient(135deg,var(--primary),#2C2C4E);
  background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:24px;margin-bottom:12px;
}
.admin-lesson-row{
  display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid #f0f0f0;
}
.admin-lesson-row .info{flex:1;min-width:0;}

/* ============================================================
   UPLOAD DE FICHIERS — widget glisser-déposer + progression
   ============================================================ */
.upload-zone{
  border:2px dashed #E0E0E0;border-radius:12px;padding:20px;text-align:center;
  background:#FAFAFA;transition:border-color .15s, background .15s;
}
.upload-zone.dragover{border-color:var(--accent);background:#FFF8EC;}
.upload-placeholder{padding:10px 0;}
.upload-placeholder .upload-icon{font-size:28px;margin-bottom:6px;}
.upload-preview-img{max-width:100%;max-height:160px;border-radius:8px;margin:0 auto 8px;display:block;}
.upload-preview-file{font-size:13px;padding:10px 0;}
.upload-preview-file a{color:var(--primary);font-weight:600;text-decoration:underline;}
.upload-progress-track{height:8px;background:#eee;border-radius:10px;overflow:hidden;margin-top:10px;}
.upload-progress-fill{height:100%;width:0%;background:var(--accent);transition:width .15s ease;}

/* ============================================================
   COMMUNAUTÉ — feed façon Skool (cartes post, composer, sondages)
   Réutilise .card/.btn/.badge/.form-control existants ; classe
   video-frame partagée avec le lecteur de leçon.
   ============================================================ */
.video-frame{width:100%;aspect-ratio:16/9;background:#000;border-radius:var(--radius-card);overflow:hidden;}
.video-frame iframe,.video-frame video{width:100%;height:100%;border:0;}

#composer-card #open-composer-btn{
  border:1.5px solid #E0E0E0;border-radius:20px;padding:10px 16px;background:#FAFAFA;
  cursor:pointer;font-size:14px;flex:1;
}
#notif-bell-panel a:hover{background:#F5F5F5;}