/*
Theme Name: LMS Bleu Convivial
Theme URI: https://example.com/lms-bleu-convivial
Author: BAMBA
Description: Thème LMS convivial pour BuddyPress avec design en dégradé bleu, contenu démo (cours, membres, chat audio et publications audio sur le mur d'activité). Entièrement personnalisable via le Customizer WordPress (couleurs, dégradé, logo).
Version: 1.0.0
Requires PHP: 7.4
Text Domain: lms-bleu
Tags: buddypress, lms, education, blue, gradient
*/

/* =========================================================
   1. VARIABLES DE DESIGN (dégradé bleu, personnalisable)
   ========================================================= */
:root{
  --lms-blue-900:#071b3d;
  --lms-blue-800:#0b2a5c;
  --lms-blue-700:#123b7e;
  --lms-blue-600:#1a53ab;
  --lms-blue-500:#2f74d0;
  --lms-blue-400:#4f9cf0;
  --lms-blue-300:#82c0ff;
  --lms-blue-200:#bfe0ff;
  --lms-blue-100:#eaf5ff;
  --lms-gradient: linear-gradient(135deg, var(--lms-blue-800) 0%, var(--lms-blue-500) 55%, var(--lms-blue-300) 100%);
  --lms-gradient-soft: linear-gradient(135deg, var(--lms-blue-100) 0%, #ffffff 100%);
  --lms-accent:#ffb703;
  --lms-radius: 16px;
  --lms-shadow: 0 10px 30px rgba(11,42,92,0.15);
  --lms-font-title: 'Poppins', system-ui, sans-serif;
  --lms-font-body: 'Inter', system-ui, sans-serif;
}

/* =========================================================
   2. BASE
   ========================================================= */
*{box-sizing:border-box;}
body{
  margin:0;
  font-family: var(--lms-font-body);
  color:#1c2b45;
  background:#f4f8fd;
  line-height:1.6;
}
h1,h2,h3,h4{font-family:var(--lms-font-title); color:var(--lms-blue-800); margin:0 0 .5em;}
a{color:var(--lms-blue-600); text-decoration:none;}
a:hover{color:var(--lms-blue-400);}
img{max-width:100%; display:block;}
.container{max-width:1180px; margin:0 auto; padding:0 24px;}
.btn{
  display:inline-block; padding:12px 26px; border-radius:999px;
  background:var(--lms-gradient); color:#fff !important; font-weight:600;
  border:none; cursor:pointer; box-shadow:var(--lms-shadow); transition:transform .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-outline{background:transparent; color:var(--lms-blue-600) !important; border:2px solid var(--lms-blue-500);}
.badge{display:inline-block; background:var(--lms-blue-100); color:var(--lms-blue-700); padding:4px 12px; border-radius:999px; font-size:.75rem; font-weight:600;}

/* =========================================================
   3. HEADER / NAVIGATION
   ========================================================= */
.site-header{
  background:var(--lms-gradient);
  color:#fff;
  position:sticky; top:0; z-index:100;
  box-shadow:0 4px 18px rgba(7,27,61,.25);
}
.site-header .container{display:flex; align-items:center; justify-content:space-between; padding-top:14px; padding-bottom:14px;}
.site-logo{display:flex; align-items:center; gap:10px; font-family:var(--lms-font-title); font-weight:700; font-size:1.3rem; color:#fff;}
.site-logo img{height:40px; width:auto; border-radius:10px;}
.main-nav ul{list-style:none; display:flex; gap:28px; margin:0; padding:0;}
.main-nav a{color:#eaf5ff; font-weight:500;}
.main-nav a:hover{color:var(--lms-accent);}
.header-actions{display:flex; align-items:center; gap:14px;}
.header-actions .btn{padding:9px 20px;}
.mobile-toggle{display:none; background:none; border:none; color:#fff; font-size:1.6rem; cursor:pointer;}

@media (max-width: 880px){
  .main-nav{display:none; position:absolute; top:100%; left:0; right:0; background:var(--lms-blue-800); padding:20px;}
  .main-nav.open{display:block;}
  .main-nav ul{flex-direction:column; gap:16px;}
  .mobile-toggle{display:block;}
}

/* =========================================================
   4. HERO
   ========================================================= */
.hero{
  background:var(--lms-gradient);
  color:#fff;
  padding:90px 0 110px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background:radial-gradient(circle at 80% 20%, rgba(255,255,255,.15), transparent 60%);
}
.hero .container{position:relative; display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center;}
.hero h1{color:#fff; font-size:2.6rem; margin-bottom:.4em;}
.hero p{font-size:1.1rem; color:var(--lms-blue-100); max-width:520px;}
.hero-actions{margin-top:28px; display:flex; gap:16px;}
.hero-image{border-radius:var(--lms-radius); overflow:hidden; box-shadow:var(--lms-shadow); transform:rotate(1.5deg);}
@media (max-width:880px){ .hero .container{grid-template-columns:1fr;} .hero-image{order:-1;} }

/* =========================================================
   5. SECTIONS / CARDS (cours, membres)
   ========================================================= */
.section{padding:70px 0;}
.section-title{text-align:center; margin-bottom:12px;}
.section-subtitle{text-align:center; color:#5b6b85; max-width:560px; margin:0 auto 44px;}

.grid{display:grid; gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:980px){ .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .grid-3,.grid-4{grid-template-columns:1fr;} }

.card-course{
  background:#fff; border-radius:var(--lms-radius); overflow:hidden;
  box-shadow:0 6px 20px rgba(11,42,92,.08); transition:transform .2s ease, box-shadow .2s ease;
}
.card-course:hover{transform:translateY(-6px); box-shadow:var(--lms-shadow);}
.card-course .thumb{position:relative; aspect-ratio:16/10; overflow:hidden;}
.card-course .thumb img{width:100%; height:100%; object-fit:cover; transition:transform .3s ease;}
.card-course:hover .thumb img{transform:scale(1.08);}
.card-course .price{position:absolute; top:12px; right:12px; background:var(--lms-accent); color:#3a2600; font-weight:700; padding:5px 12px; border-radius:999px; font-size:.85rem;}
.card-course .body{padding:18px 20px;}
.card-course .meta{display:flex; gap:14px; font-size:.82rem; color:#6b7a94; margin-top:10px;}
.card-course h3{font-size:1.05rem; margin-bottom:6px;}
.card-course .instructor{display:flex; align-items:center; gap:8px; margin-top:14px;}
.card-course .instructor img{width:28px; height:28px; border-radius:50%; object-fit:cover;}

.card-member{
  background:var(--lms-gradient-soft); border-radius:var(--lms-radius); text-align:center;
  padding:26px 18px; box-shadow:0 4px 16px rgba(11,42,92,.08);
}
.card-member .avatar{width:88px; height:88px; border-radius:50%; margin:0 auto 14px; overflow:hidden; border:3px solid #fff; box-shadow:var(--lms-shadow);}
.card-member .avatar img{width:100%; height:100%; object-fit:cover;}
.card-member .role{color:var(--lms-blue-500); font-size:.85rem; font-weight:600;}
.card-member .status{display:inline-flex; align-items:center; gap:6px; font-size:.78rem; color:#4a5a75; margin-top:8px;}
.card-member .dot{width:8px; height:8px; border-radius:50%; background:#2ecc71;}

/* =========================================================
   6. MUR D'ACTIVITE + CHAT AUDIO (BuddyPress)
   ========================================================= */
.activity-wrap{display:grid; grid-template-columns:280px 1fr; gap:28px;}
@media (max-width:900px){ .activity-wrap{grid-template-columns:1fr;} }

.activity-sidebar .widget{background:#fff; border-radius:var(--lms-radius); padding:20px; margin-bottom:20px; box-shadow:0 4px 16px rgba(11,42,92,.08);}
.activity-sidebar .widget h4{font-size:.95rem; text-transform:uppercase; letter-spacing:.04em; color:var(--lms-blue-600);}

.activity-composer{background:#fff; border-radius:var(--lms-radius); padding:20px; box-shadow:0 4px 16px rgba(11,42,92,.08); margin-bottom:24px;}
.activity-composer textarea{width:100%; border:1px solid #dce6f5; border-radius:10px; padding:12px; font-family:inherit; resize:vertical; min-height:70px;}
.composer-actions{display:flex; align-items:center; justify-content:space-between; margin-top:12px;}
.audio-record-btn{
  display:inline-flex; align-items:center; gap:8px; background:var(--lms-blue-100); color:var(--lms-blue-700);
  border:none; padding:10px 16px; border-radius:999px; cursor:pointer; font-weight:600;
}
.audio-record-btn.recording{background:#ffe1e1; color:#c0392b; animation:pulse 1.2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(192,57,43,.4);}70%{box-shadow:0 0 0 12px rgba(192,57,43,0);}100%{box-shadow:0 0 0 0 rgba(192,57,43,0);}}
.audio-preview{margin-top:12px; display:none;}
.audio-preview audio{width:100%;}

.activity-item{background:#fff; border-radius:var(--lms-radius); padding:20px; margin-bottom:18px; box-shadow:0 4px 16px rgba(11,42,92,.06); display:flex; gap:14px;}
.activity-item .avatar{width:46px; height:46px; border-radius:50%; overflow:hidden; flex:none;}
.activity-item .avatar img{width:100%; height:100%; object-fit:cover;}
.activity-item .name{font-weight:700; color:var(--lms-blue-800);}
.activity-item .time{font-size:.78rem; color:#93a2ba; margin-left:8px;}
.activity-item .content{margin-top:6px;}
.activity-audio-player{
  margin-top:10px; background:var(--lms-blue-100); border-radius:12px; padding:12px 14px;
  display:flex; align-items:center; gap:12px;
}
.activity-audio-player audio{flex:1; height:36px;}
.activity-audio-player .wave-icon{color:var(--lms-blue-600); font-size:1.3rem;}

/* Chat flottant audio/texte */
.lms-chat-widget{position:fixed; bottom:24px; right:24px; z-index:999; font-family:var(--lms-font-body);}
.lms-chat-toggle{
  width:60px; height:60px; border-radius:50%; background:var(--lms-gradient); color:#fff; border:none;
  box-shadow:var(--lms-shadow); font-size:1.4rem; cursor:pointer;
}
.lms-chat-panel{
  display:none; position:absolute; bottom:76px; right:0; width:320px; max-height:440px;
  background:#fff; border-radius:var(--lms-radius); box-shadow:var(--lms-shadow); overflow:hidden; flex-direction:column;
}
.lms-chat-panel.open{display:flex;}
.lms-chat-header{background:var(--lms-gradient); color:#fff; padding:14px 18px; font-weight:700;}
.lms-chat-messages{flex:1; overflow-y:auto; padding:14px; background:var(--lms-blue-100);}
.lms-chat-msg{background:#fff; border-radius:10px; padding:8px 12px; margin-bottom:8px; max-width:80%; font-size:.88rem;}
.lms-chat-msg.me{margin-left:auto; background:var(--lms-blue-500); color:#fff;}
.lms-chat-input{display:flex; gap:8px; padding:10px; border-top:1px solid #eaf1fb;}
.lms-chat-input input{flex:1; border:1px solid #dce6f5; border-radius:999px; padding:8px 14px;}
.lms-chat-input button{background:var(--lms-blue-500); border:none; color:#fff; width:38px; height:38px; border-radius:50%; cursor:pointer;}

/* =========================================================
   6bis. ANIMATIONS AU SCROLL (.reveal)
   ========================================================= */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease; transition-delay:var(--delay,0s); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* =========================================================
   6ter. GUIDE "COMMENT CREER UN COURS" (étapes)
   ========================================================= */
.lms-steps{display:flex; flex-direction:column; gap:18px; max-width:820px; margin:0 auto;}
.lms-step{display:flex; gap:20px; align-items:flex-start; background:#fff; border-radius:var(--lms-radius); padding:22px; box-shadow:0 4px 16px rgba(11,42,92,.07);}
.lms-step-icon{flex:none; width:52px; height:52px; border-radius:14px; background:var(--lms-gradient); color:#fff; display:flex; align-items:center; justify-content:center; font-size:1.3rem;}
.lms-step h3{margin-bottom:4px; font-size:1.05rem;}
.lms-step p{margin:0; color:#5b6b85; font-size:.92rem;}

/* =========================================================
   6quater. HERO XXL PETROLE (page d'accueil démo)
   L'illustration animée (derrick, torchère, raffinerie, oiseaux…)
   vit dans assets/img/petroleum-hero.svg + assets/css/animations.css
   (classes .petro-*). Ici : juste la structure de section.
   ========================================================= */
.hero-xxl{
  position:relative; overflow:hidden;
  background:linear-gradient(135deg, var(--lms-blue-900) 0%, var(--lms-blue-700) 55%, var(--lms-blue-500) 100%);
  color:#fff; padding:80px 0 100px;
}
.hero-xxl .container{position:relative; z-index:2; display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center;}
.hero-xxl h1{color:#fff; font-size:clamp(2.1rem,4vw,3.2rem); line-height:1.15;}
.hero-xxl p{color:var(--lms-blue-100); font-size:1.1rem; max-width:520px;}
.hero-xxl .hero-actions{margin-top:30px; display:flex; gap:16px; flex-wrap:wrap;}

/* carte flottante "stats" au-dessus du hero */
.hero-floating-card{
  position:relative; z-index:5; background:#fff; color:#1c2b45; border-radius:var(--lms-radius);
  padding:20px 24px; box-shadow:var(--lms-shadow); display:flex; gap:26px; justify-content:center;
  margin-top:-40px; animation: float-card 4s ease-in-out infinite;
}
@keyframes float-card{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-10px);} }
.hero-floating-card .stat{ text-align:center; }
.hero-floating-card .stat strong{ display:block; font-size:1.5rem; color:var(--lms-blue-600); font-family:var(--lms-font-title); }
.hero-floating-card .stat span{ font-size:.75rem; color:#6b7a94; }

@media (max-width:880px){
  .hero-xxl .container{grid-template-columns:1fr;}
  .petro-hero-wrap{ max-width:360px; margin:0 auto; }
}

/* =========================================================
   6quinquies. GRILLE DE FONCTIONNALITES LMS
   ========================================================= */
.features-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
@media (max-width:900px){ .features-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .features-grid{grid-template-columns:1fr;} }
.feature-card{
  background:#fff; border-radius:var(--lms-radius); padding:26px 22px; box-shadow:0 4px 16px rgba(11,42,92,.07);
  border-top:3px solid transparent; transition:transform .2s ease, border-color .2s ease;
}
.feature-card:hover{ transform:translateY(-5px); border-top-color:var(--lms-blue-500); }
.feature-card .icon{ width:52px; height:52px; border-radius:14px; background:var(--lms-blue-100); color:var(--lms-blue-600); display:flex; align-items:center; justify-content:center; font-size:1.3rem; margin-bottom:14px; }
.feature-card h3{ font-size:1.02rem; }
.feature-card p{ font-size:.9rem; color:#5b6b85; margin:0; }

/* Leçons dans la page cours */
.lms-lecon-item{display:flex; align-items:center; justify-content:space-between; gap:14px; background:#fff; border-radius:12px; padding:14px 16px; margin-bottom:10px; box-shadow:0 2px 10px rgba(11,42,92,.06);}
.lms-lecon-item.done{ background:var(--lms-blue-100); }
.lms-lecon-item .titre{display:flex; align-items:center; gap:12px;}
.lms-lecon-item .num{width:30px; height:30px; border-radius:50%; background:var(--lms-blue-100); color:var(--lms-blue-700); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.85rem; flex:none;}
.lms-lecon-item.done .num{background:#2ecc71; color:#fff;}
.lms-lecon-item .type{font-size:.72rem; color:#93a2ba; text-transform:uppercase;}
.lms-lecon-terminer{background:var(--lms-blue-500); color:#fff; border:none; padding:7px 14px; border-radius:999px; font-size:.78rem; cursor:pointer;}

/* =========================================================
   7. FOOTER
   ========================================================= */
.site-footer{background:var(--lms-blue-900); color:#c9dcf7; padding:50px 0 24px; margin-top:60px;}
.site-footer h4{color:#fff; font-size:1rem;}
.site-footer a{color:#c9dcf7;}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:30px;}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-bottom{text-align:center; margin-top:36px; padding-top:20px; border-top:1px solid rgba(255,255,255,.1); font-size:.82rem; color:#8fa6cc;}