/* =============================================================
   KEUR MACGNI – Bibliothèque Numérique – style.css v2.0
   ============================================================= */

/* ---- Variables ---- */
:root {
  --km-bg:        #091a14;
  --km-surface:   #0e2318;
  --km-surface2:  #163020;
  --km-border:    #1e4030;
  --km-green:     #16a34a;
  --km-green-lt:  #22c55e;
  --km-gold:      #f59e0b;
  --km-text:      #e5e7eb;
  --km-muted:     #6b7280;
  --km-card-h:    320px;
  --km-radius:    14px;
  --km-shadow:    0 4px 24px rgba(0,0,0,.4);
  --transition:   all .25s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--km-bg);
  color: var(--km-text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--km-green-lt); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--km-gold); }

img { max-width: 100%; height: auto; }

/* ---- Navbar ---- */
.navbar-km {
  background: linear-gradient(135deg, #051209 0%, #0c2218 100%);
  border-bottom: 1px solid var(--km-border);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  z-index: 1030;
}

.navbar-km .navbar-brand {
  color: #fff;
  font-size: 1.3rem;
  letter-spacing: .5px;
}
.navbar-km .navbar-brand:hover { color: var(--km-gold); }

.navbar-km .nav-link {
  color: #cbd5e1;
  padding: .4rem .75rem;
  border-radius: 8px;
  font-size: .92rem;
  transition: var(--transition);
}
.navbar-km .nav-link:hover,
.navbar-km .nav-link.active {
  color: #fff;
  background: rgba(34,197,94,.12);
}

.search-global { max-width: 440px; width: 100%; }
.search-global .form-control {
  background: var(--km-surface);
  border: 1px solid var(--km-border);
  color: var(--km-text);
}
.search-global .form-control:focus {
  background: var(--km-surface2);
  border-color: var(--km-green);
  box-shadow: 0 0 0 .2rem rgba(22,163,74,.25);
  color: #fff;
}
.search-global .form-control::placeholder { color: var(--km-muted); }

/* ---- Dropdown ---- */
.dropdown-menu.dropdown-menu-dark {
  background: #0c2218;
  border: 1px solid var(--km-border);
}
.dropdown-menu.dropdown-menu-dark .dropdown-item {
  color: var(--km-text);
  font-size: .9rem;
}
.dropdown-menu.dropdown-menu-dark .dropdown-item:hover {
  background: var(--km-surface2);
  color: var(--km-gold);
}

/* ---- Hero Banner ---- */
.hero-banner {
  background: linear-gradient(135deg, #051209 0%, #0a2c1a 50%, #051209 100%);
  padding: 70px 0 50px;
  border-bottom: 1px solid var(--km-border);
  position: relative;
  overflow: hidden;
}
.hero-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2316a34a' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  opacity: .4;
}
.hero-banner .container-xl { position: relative; z-index: 1; }

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
}
.hero-title .text-green { color: var(--km-green-lt); }
.hero-subtitle { font-size: 1.1rem; color: #9ca3af; max-width: 520px; }

.hero-stats .stat-item {
  text-align: center;
  padding: 16px 24px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius);
}
.hero-stats .stat-num  { font-size: 2rem; font-weight: 800; color: var(--km-green-lt); }
.hero-stats .stat-label { font-size: .78rem; color: var(--km-muted); text-transform: uppercase; letter-spacing: .5px; }

/* ---- Section Headings ---- */
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--km-border);
  margin-left: .5rem;
}

/* ---- Book Cards ---- */
.book-card {
  background: var(--km-surface);
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--km-shadow);
  border-color: var(--km-green);
}
.book-card .book-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  background: var(--km-surface2);
}
.book-card .book-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.book-card .book-title {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-card .book-author { font-size: .8rem; color: var(--km-gold); margin-bottom: 8px; }
.book-card .book-desc {
  font-size: .8rem;
  color: var(--km-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-card .book-footer {
  padding: 0 14px 14px;
  display: flex;
  gap: 8px;
}

/* ---- Carousel scroll style Netflix ---- */
.scroll-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--km-green) var(--km-surface);
}
.scroll-row::-webkit-scrollbar { height: 6px; }
.scroll-row::-webkit-scrollbar-thumb { background: var(--km-green); border-radius: 3px; }
.scroll-row .book-card {
  min-width: 180px;
  max-width: 180px;
  flex: 0 0 180px;
}

/* ---- Author Cards ---- */
.author-card {
  background: var(--km-surface);
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.author-card:hover {
  transform: translateY(-4px);
  border-color: var(--km-green);
  box-shadow: var(--km-shadow);
}
.author-card img {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--km-green);
  margin-bottom: 12px;
}
.author-card .a-name { font-weight: 700; color: #fff; font-size: .95rem; }
.author-card .a-bio  { font-size: .78rem; color: var(--km-muted); }

/* ---- Category Pills ---- */
.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem 1rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}
.cat-pill:hover { transform: scale(1.05); }

/* ---- Badges ---- */
.badge-views { background: rgba(22,163,74,.15); color: var(--km-green-lt); font-size: .72rem; }
.badge-lang  { background: rgba(245,158,11,.15); color: var(--km-gold);     font-size: .72rem; }
.badge-free  { background: rgba(34,197,94,.2);   color: #86efac;             font-size: .72rem; }

/* ---- Badges soft (admin) ---- */
.badge-success-soft { display:inline-block; padding:.2em .6em; border-radius:.35rem; font-size:.78rem; font-weight:500; background:rgba(22,163,74,.15);  color:#4ade80; }
.badge-danger-soft  { display:inline-block; padding:.2em .6em; border-radius:.35rem; font-size:.78rem; font-weight:500; background:rgba(239,68,68,.15);   color:#f87171; }
.badge-warning-soft { display:inline-block; padding:.2em .6em; border-radius:.35rem; font-size:.78rem; font-weight:500; background:rgba(245,158,11,.15);  color:#fbbf24; }
.badge-info-soft    { display:inline-block; padding:.2em .6em; border-radius:.35rem; font-size:.78rem; font-weight:500; background:rgba(14,165,233,.15);   color:#38bdf8; }

/* ---- Stars ---- */
.stars .bi { font-size: .85rem; }

/* ---- Forms ---- */
.form-km .form-control,
.form-km .form-select {
  background: var(--km-surface);
  border: 1px solid var(--km-border);
  color: var(--km-text);
  border-radius: 10px;
}
.form-km .form-control:focus,
.form-km .form-select:focus {
  background: var(--km-surface2);
  border-color: var(--km-green);
  box-shadow: 0 0 0 .2rem rgba(22,163,74,.25);
  color: #fff;
}
.form-km .form-control::placeholder { color: var(--km-muted); }
.form-km .form-label { color: #d1d5db; font-weight: 500; font-size: .9rem; }
.form-km select option { background: #0e2318; color: #fff; }

/* ---- Auth Cards ---- */
.auth-card {
  background: var(--km-surface);
  border: 1px solid var(--km-border);
  border-radius: 20px;
  padding: 40px;
  max-width: 440px;
  margin: 0 auto;
}

/* ---- Pagination ---- */
.page-link { background: var(--km-surface); border-color: var(--km-border); color: var(--km-text); }
.page-link:hover { background: var(--km-surface2); color: var(--km-gold); border-color: var(--km-green); }
.page-item.active .page-link { background: var(--km-green); border-color: var(--km-green); color: #fff; }

/* ---- Alerts ---- */
.alert { border-radius: var(--km-radius); }

/* ---- Buttons ---- */
.btn-km-primary {
  background: linear-gradient(135deg, var(--km-green), #15803d);
  border: none;
  color: #fff;
  border-radius: 10px;
  padding: .55rem 1.4rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-km-primary:hover { background: linear-gradient(135deg, var(--km-green-lt), var(--km-green)); color: #fff; transform: translateY(-1px); }

/* ---- Fiche livre ---- */
.book-detail-cover {
  border-radius: var(--km-radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  max-height: 450px;
  object-fit: cover;
  width: 100%;
}

/* ---- PDF Reader ---- */
.pdf-reader-wrap {
  background: #000;
  border-radius: var(--km-radius);
  overflow: hidden;
  position: relative;
}
.pdf-reader-wrap iframe {
  width: 100%;
  height: 80vh;
  border: none;
  display: block;
}

/* ---- Profile Tabs ---- */
.nav-tabs-km { border-bottom: 2px solid var(--km-border); }
.nav-tabs-km .nav-link {
  color: var(--km-muted);
  border: none;
  border-bottom: 3px solid transparent;
  padding: .6rem 1.2rem;
  font-weight: 600;
  margin-bottom: -2px;
}
.nav-tabs-km .nav-link.active {
  color: var(--km-green-lt);
  border-bottom-color: var(--km-green-lt);
  background: transparent;
}

/* ---- Progress bar ---- */
.progress { background: var(--km-surface2); height: 8px; border-radius: 4px; }
.progress-bar { background: linear-gradient(90deg, var(--km-green), var(--km-green-lt)); }

/* ---- Footer ---- */
.site-footer {
  background: linear-gradient(180deg, var(--km-surface) 0%, #040f09 100%);
  border-top: 1px solid var(--km-border);
}
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--km-muted); font-size: .88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--km-green-lt); padding-left: 4px; }

/* ---- Back to top ---- */
#backToTop {
  position: fixed; bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  background: var(--km-green);
  color: #fff; border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0; pointer-events: none;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
#backToTop.show { opacity: 1; pointer-events: auto; }
#backToTop:hover { background: var(--km-green-lt); transform: translateY(-3px); }

/* ---- Responsive ---- */
@media (max-width: 767px) {
  .hero-banner { padding: 40px 0 30px; }
  .hero-title  { font-size: 1.8rem; }
  .scroll-row .book-card { min-width: 150px; max-width: 150px; flex: 0 0 150px; }
  .auth-card   { padding: 24px; }
}

@media (max-width: 900px) {
    .netflix-card {
        min-width: 60vw;
        max-width: 60vw;
    }
}