/* ============================================================
   IMANA - Feuille de style principale (Mobile First)
   Palette : vert profond congolais + or
   ============================================================ */
:root{
  --imana-primary:#0f3d2e;
  --imana-primary-dark:#0a2a20;
  --imana-accent:#e0a020;
  --imana-accent-dark:#c8880f;
  --imana-bg:#f7f6f2;
  --imana-surface:#ffffff;
  --imana-text:#1c2321;
  --imana-muted:#6c7a75;
  --imana-border:#e6e3da;
  --imana-radius:14px;
  --imana-shadow:0 6px 22px rgba(15,61,46,.08);
}
*{box-sizing:border-box}
body{
  font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:var(--imana-bg); color:var(--imana-text);
  margin:0; -webkit-font-smoothing:antialiased;
}
a{text-decoration:none}
.main-content{min-height:60vh}

/* ---------- Navbar ---------- */
.imana-navbar{background:var(--imana-primary); box-shadow:0 2px 14px rgba(0,0,0,.15); padding:.5rem 0}
.imana-navbar .navbar-brand{color:#fff; font-weight:800; letter-spacing:.5px; font-size:1.35rem}
.imana-navbar .navbar-brand i{color:var(--imana-accent)}
.imana-navbar .nav-link{color:rgba(255,255,255,.85); font-weight:500; padding:.5rem .85rem}
.imana-navbar .nav-link:hover,.imana-navbar .nav-link.active{color:var(--imana-accent)}
.imana-navbar .navbar-toggler{border-color:rgba(255,255,255,.3)}
.imana-navbar .navbar-toggler-icon{filter:invert(1)}
.btn-icon{color:#fff; background:transparent; border:0; padding:.45rem .6rem; border-radius:10px}
.btn-icon:hover{background:rgba(255,255,255,.12); color:var(--imana-accent)}
.badge-dot{position:absolute; top:2px; right:0; background:#e03131; color:#fff; font-size:.62rem;
  min-width:17px; height:17px; line-height:17px; border-radius:9px; padding:0 4px; text-align:center}
.avatar-xs{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid var(--imana-accent)}
.nav-search{max-width:420px;width:100%;margin-top:.5rem}
@media(min-width:992px){.nav-search{margin-top:0}}
.search-suggest{position:absolute; top:calc(100% + 6px); left:0; right:0; background:#fff;
  border:1px solid var(--imana-border); border-radius:12px; box-shadow:var(--imana-shadow); z-index:1050; max-height:60vh; overflow:auto}
.search-suggest a{display:flex; gap:.6rem; padding:.55rem .7rem; color:var(--imana-text); border-bottom:1px solid #f1efe9}
.search-suggest a:last-child{border-bottom:0}
.search-suggest a:hover{background:#f6f4ee}
.search-suggest img{width:34px;height:48px;object-fit:cover;border-radius:4px}

/* ---------- Boutons ---------- */
.btn-accent{background:var(--imana-accent); border-color:var(--imana-accent); color:#26200a; font-weight:600}
.btn-accent:hover{background:var(--imana-accent-dark); border-color:var(--imana-accent-dark); color:#1c1706}
.btn-primary-imana{background:var(--imana-primary); border-color:var(--imana-primary); color:#fff; font-weight:600}
.btn-primary-imana:hover{background:var(--imana-primary-dark); color:#fff}
.btn-outline-imana{border:1px solid var(--imana-primary); color:var(--imana-primary); font-weight:600; background:transparent}
.btn-outline-imana:hover{background:var(--imana-primary); color:#fff}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,var(--imana-primary) 0%,#14523d 55%,#1b6b4f 100%);
  color:#fff; padding:3rem 0 3.5rem; position:relative; overflow:hidden;
}
.hero::after{content:""; position:absolute; right:-80px; bottom:-80px; width:280px; height:280px;
  background:radial-gradient(circle,rgba(224,160,32,.35),transparent 70%); border-radius:50%}
.hero h1{font-weight:800; font-size:1.9rem; line-height:1.2}
@media(min-width:768px){.hero h1{font-size:2.8rem}}
.hero p{color:rgba(255,255,255,.85)}
.hero-search{background:#fff; border-radius:50px; padding:.35rem; box-shadow:0 10px 30px rgba(0,0,0,.2); position:relative; z-index:2}
.hero-search input{border:0; box-shadow:none!important; background:transparent}
.hero-stats{display:flex; gap:1.5rem; flex-wrap:wrap; margin-top:1.5rem}
.hero-stats .num{font-size:1.4rem;font-weight:800;color:var(--imana-accent);display:block}
.hero-stats .lbl{font-size:.8rem;color:rgba(255,255,255,.75)}

/* ---------- Sections ---------- */
.section{padding:2.2rem 0}
.section-title{display:flex; justify-content:space-between; align-items:center; margin-bottom:1.2rem}
.section-title h2{font-size:1.25rem;font-weight:800;margin:0;color:var(--imana-primary)}
.section-title h2 i{color:var(--imana-accent); margin-right:.4rem}
.section-title a{font-size:.85rem;color:var(--imana-muted);font-weight:600}

/* ---------- Cartes livres ---------- */
.book-card{background:var(--imana-surface); border:1px solid var(--imana-border); border-radius:var(--imana-radius);
  overflow:hidden; display:flex; flex-direction:column; transition:.22s; height:100%}
.book-card:hover{transform:translateY(-4px); box-shadow:var(--imana-shadow); border-color:var(--imana-accent)}
.book-cover{display:block; position:relative; aspect-ratio:2/3; background:#e9e6dd; overflow:hidden}
.book-cover img{width:100%;height:100%;object-fit:cover;display:block}
.badge-corner{position:absolute; top:8px; left:8px; color:#fff; font-size:.68rem; padding:.2rem .5rem; border-radius:20px; font-weight:700}
.format-tag{position:absolute; bottom:8px; right:8px; background:rgba(0,0,0,.65); color:#fff; font-size:.62rem; padding:.15rem .4rem; border-radius:4px}
.book-body{padding:.7rem; display:flex; flex-direction:column; gap:.15rem; flex:1}
.book-title{font-size:.9rem; font-weight:700; margin:0; line-height:1.25}
.book-title a{color:var(--imana-text)}
.book-title a:hover{color:var(--imana-primary)}
.book-author{font-size:.76rem; color:var(--imana-muted); margin:0 0 .3rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.book-price{font-weight:800;color:var(--imana-primary);font-size:.85rem}
.book-price.free{color:#2f9e44}
.stars{color:var(--imana-accent); font-size:.72rem}

/* ---------- Catégories ---------- */
.cat-card{display:block; background:#fff; border:1px solid var(--imana-border); border-radius:var(--imana-radius);
  padding:1rem .6rem; text-align:center; color:var(--imana-text); transition:.2s; height:100%}
.cat-card:hover{background:var(--imana-primary); color:#fff; transform:translateY(-3px)}
.cat-card i{font-size:1.5rem; color:var(--imana-accent); display:block; margin-bottom:.45rem}
.cat-card .nm{font-weight:700;font-size:.82rem;display:block}
.cat-card .ct{font-size:.7rem;opacity:.7}

/* ---------- Auteurs ---------- */
.author-card{background:#fff;border:1px solid var(--imana-border);border-radius:var(--imana-radius);padding:1rem;text-align:center;height:100%}
.author-card img,.author-ph{width:64px;height:64px;border-radius:50%;object-fit:cover;margin:0 auto .6rem;display:flex;align-items:center;justify-content:center;
  background:var(--imana-primary);color:var(--imana-accent);font-weight:800;font-size:1.3rem}

/* ---------- Détail livre ---------- */
.book-hero{background:#fff;border-bottom:1px solid var(--imana-border);padding:1.5rem 0}
.book-hero .cover-lg{width:100%;max-width:230px;border-radius:12px;box-shadow:var(--imana-shadow)}
.meta-list{list-style:none;padding:0;margin:0;font-size:.86rem}
.meta-list li{padding:.35rem 0;border-bottom:1px dashed var(--imana-border);display:flex;justify-content:space-between;gap:1rem}
.meta-list li span:first-child{color:var(--imana-muted)}
.price-box{background:#fbf7ea;border:1px solid #f0e2b8;border-radius:12px;padding:1rem}
.price-now{font-size:1.6rem;font-weight:800;color:var(--imana-primary)}

/* ---------- Bibliothèque / onglets ---------- */
.tabs-scroll{display:flex;gap:.5rem;overflow-x:auto;padding-bottom:.5rem;-webkit-overflow-scrolling:touch}
.tabs-scroll::-webkit-scrollbar{height:0}
.tab-pill{white-space:nowrap;border:1px solid var(--imana-border);background:#fff;color:var(--imana-text);
  padding:.4rem .9rem;border-radius:30px;font-size:.84rem;font-weight:600}
.tab-pill.active{background:var(--imana-primary);color:#fff;border-color:var(--imana-primary)}

/* ---------- Panels génériques ---------- */
.panel{background:#fff;border:1px solid var(--imana-border);border-radius:var(--imana-radius);padding:1.1rem}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--imana-muted)}
.empty-state i{font-size:2.6rem;color:var(--imana-border);display:block;margin-bottom:.8rem}

/* ---------- Auth ---------- */
.auth-wrap{min-height:calc(100vh - 70px);display:flex;align-items:center;padding:2rem 0}
.auth-card{background:#fff;border-radius:18px;box-shadow:var(--imana-shadow);padding:1.8rem;max-width:460px;margin:0 auto;width:100%}
.auth-card h1{font-size:1.4rem;font-weight:800;color:var(--imana-primary)}

/* ---------- Lecteur ---------- */
.reader-body{margin:0;background:#f1efe9}
.reader-topbar{position:fixed;top:0;left:0;right:0;height:52px;background:var(--imana-primary);color:#fff;
  display:flex;align-items:center;justify-content:space-between;padding:0 .6rem;z-index:1040}
.reader-topbar a,.reader-topbar button{color:#fff;background:transparent;border:0;padding:.4rem .55rem;border-radius:8px}
.reader-topbar button:hover{background:rgba(255,255,255,.15)}
.reader-title{font-size:.9rem;font-weight:600;max-width:45vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.reader-content{padding:64px 0 80px}
.reader-page{margin:0 auto;background:#fff;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.08);padding:2rem 1.2rem;white-space:pre-wrap}
.reader-bottom{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--imana-border);
  padding:.5rem .8rem;display:flex;align-items:center;gap:.6rem;z-index:1040}
/* Thèmes de lecture */
.theme-jour{background:#f1efe9;color:#1c2321}
.theme-jour .reader-page{background:#fff;color:#1c2321}
.theme-nuit{background:#12151a;color:#d7dbe0}
.theme-nuit .reader-page{background:#1a1f26;color:#d7dbe0;box-shadow:none}
.theme-nuit .reader-bottom{background:#1a1f26;border-color:#2a313a;color:#d7dbe0}
.theme-sepia{background:#efe6d3;color:#4a3f2f}
.theme-sepia .reader-page{background:#f7f0e0;color:#4a3f2f}
.theme-console{background:#0b0f0c;color:#61d67a}
.theme-console .reader-page{background:#0f1510;color:#61d67a;font-family:"Courier New",monospace}
.theme-console .reader-bottom{background:#0f1510;border-color:#1e2a1f;color:#61d67a}
.pdf-frame{width:100%;height:calc(100vh - 132px);border:0;background:#fff}
.pdf-onecolumn canvas{max-width:100%;height:auto}
mark.imana-hl{background:#ffd54f;padding:0 2px;border-radius:2px}

/* ---------- Footer ---------- */
.imana-footer{background:var(--imana-primary-dark);color:#cfd8d4}
.imana-footer h5,.imana-footer h6{color:#fff;font-weight:700;font-size:.95rem;margin-bottom:.8rem}
.footer-brand i{color:var(--imana-accent)}
.footer-links{list-style:none;padding:0;margin:0;font-size:.85rem}
.footer-links li{margin-bottom:.4rem}
.footer-links a{color:#cfd8d4}
.footer-links a:hover{color:var(--imana-accent)}
.footer-sep{border-color:rgba(255,255,255,.12);margin:2rem 0 1rem}
.social-btn{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;
  display:inline-flex;align-items:center;justify-content:center}
.social-btn:hover{background:var(--imana-accent);color:#1c1706}

/* ---------- Admin ---------- */
.admin-body{background:#eef1f0}
.admin-sidebar{position:fixed;top:0;bottom:0;left:0;width:250px;background:var(--imana-primary-dark);color:#cfd8d4;
  overflow-y:auto;z-index:1045;transform:translateX(-100%);transition:.25s}
.admin-sidebar.show{transform:translateX(0)}
@media(min-width:992px){.admin-sidebar{transform:translateX(0)} .admin-main{margin-left:250px}}
.admin-sidebar .brand{padding:1rem;font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-sidebar .brand i{color:var(--imana-accent)}
.admin-sidebar a{display:block;padding:.65rem 1rem;color:#cfd8d4;font-size:.9rem}
.admin-sidebar a:hover,.admin-sidebar a.active{background:rgba(255,255,255,.08);color:var(--imana-accent);border-left:3px solid var(--imana-accent)}
.admin-topbar{background:#fff;border-bottom:1px solid var(--imana-border);padding:.7rem 1rem;display:flex;align-items:center;justify-content:space-between}
.admin-main{padding-bottom:2rem}
.stat-card{background:#fff;border-radius:var(--imana-radius);padding:1rem;border:1px solid var(--imana-border);display:flex;gap:.8rem;align-items:center}
.stat-card .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.15rem;color:#fff;background:var(--imana-primary)}
.stat-card .val{font-size:1.35rem;font-weight:800;line-height:1}
.stat-card .lbl{font-size:.78rem;color:var(--imana-muted)}
.sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1044;display:none}
.sidebar-backdrop.show{display:block}
@media(min-width:992px){.sidebar-backdrop{display:none!important}}
table.dataTable{font-size:.86rem}