/* ═══════════════════════════════════════════════════════════
   LEX DESIGN SYSTEM — Navigation unifiée + Mode clair
   lce.lexcellence-officiel.com
═══════════════════════════════════════════════════════════ */

/* ── TOP BAR MOBILE (hamburger) ─────────────────────────── */
.lex-top-bar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  align-items: center;
  gap: 10px;
}

.lex-hamburger {
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  line-height: 1;
  padding: 4px 6px;
  cursor: pointer;
  border-radius: 8px;
  flex-shrink: 0;
  transition: background .15s;
  font-family: inherit;
}
.lex-hamburger:hover { background: rgba(255,255,255,.1); }

.lex-top-bar-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.lex-top-bar-inner img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
}
.lex-top-bar-title {
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.lex-top-bar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ── SIDEBAR OVERLAY ────────────────────────────────────── */
.lex-sidebar {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
}
.lex-sidebar.open { display: block; }

.lex-sidebar-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.58);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.lex-sidebar-panel {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 264px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  box-shadow: 20px 0 60px rgba(0,0,0,.8);
}
.lex-sidebar.open .lex-sidebar-panel { transform: translateX(0); }

.lex-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 10px;
}
.lex-sidebar-brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: block;
  flex-shrink: 0;
}
.lex-sidebar-brand-title {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -.02em;
}

.lex-sidebar-nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  color: rgba(255,255,255,.45);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 13px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  text-align: left;
  font-family: inherit;
}
.lex-sidebar-nav-btn:hover {
  background: rgba(255,255,255,.07);
  color: #fff;
  border-color: rgba(255,255,255,.08);
}
.lex-sidebar-nav-btn.active {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.12);
}
.lex-sidebar-nav-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.lex-sidebar-sep {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.lex-sidebar-spacer { flex: 1; }

.lex-sidebar-user {
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}
.lex-sidebar-user strong {
  display: block;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 2px;
}

/* ── BARRE DE NAVIGATION MOBILE ─────────────────────────── */
.lex-mob-nav {
  display: none;
  position: fixed;
  bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  left: 12px;
  right: 12px;
  z-index: 40;
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.05);
  overflow: hidden;
}
.lex-mob-nav-inner {
  display: flex;
  padding: 4px;
  gap: 2px;
}
.lex-mob-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 9px 4px 8px;
  background: none;
  border: none;
  color: rgba(255,255,255,.35);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  cursor: pointer;
  line-height: 1.1;
  transition: color .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
  border-radius: 10px;
  font-family: inherit;
}
.lex-mob-nav-btn.active { color: #fff; background: rgba(255,255,255,.09); }
.lex-mob-nav-icon { font-size: 18px; line-height: 1; margin-bottom: 1px; display: block; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .lex-top-bar { display: flex; }
  .top-tabs { display: none !important; }
  .header { display: none !important; }
  .lex-mob-nav { display: block; }
  body { padding: 0 14px 90px !important; }
  .content { padding-top: 16px; }
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal { border-radius: 18px 18px 0 0; max-height: 92dvh; max-width: 100%; }
}

/* ── MODE CLAIR ─────────────────────────────────────────── */
@media (prefers-color-scheme: light) {
  :root {
    --bg:     #f1f2f6;
    --panel:  #ffffff;
    --border: #dde0e8;
    --text:   #0d0e12;
    --muted:  #5c6470;
    --danger: #e5383b;
    --warn:   #d97706;
  }

  body { background: var(--bg); color: var(--text); }

  /* Header */
  .header { background: var(--bg); }
  .logo-text span { color: var(--muted); }
  .btn-logout { background: var(--panel); color: var(--muted); border-color: var(--border); }
  .btn-logout:hover { color: var(--danger); border-color: var(--danger); }
  .admin-name { color: var(--text); }
  .admin-role { color: var(--muted); }

  /* Tabs */
  .tab { background: var(--panel); color: var(--text); border-color: var(--border); }
  .tab:hover { filter: brightness(.97); }
  .tab.active { background: var(--text); color: #fff; border-color: var(--text); }

  /* Cards */
  .card { box-shadow: 0 2px 14px rgba(0,0,0,.07), inset 0 1px 0 rgba(255,255,255,.9); }
  .stat-card { box-shadow: 0 1px 8px rgba(0,0,0,.06); }
  .lic-card { background: var(--panel); border-color: var(--border); }

  /* Formulaires */
  .form-input, .form-select {
    background: var(--panel);
    color: var(--text);
    border-color: var(--border);
  }
  .form-input:focus, .form-select:focus { border-color: #aaa; }
  .form-input::placeholder { color: #bbb; }
  .form-select option { background: var(--panel); color: var(--text); }
  .search-input { background: var(--panel); color: var(--text); border-color: var(--border); }
  .search-input::placeholder { color: #bbb; }
  .search-input:focus { border-color: #aaa; }

  /* Boutons */
  .btn-primary { background: var(--text); color: #fff; }
  .btn-ghost { background: rgba(0,0,0,.05); color: var(--text); border-color: var(--border); }
  .btn-ghost:hover { background: rgba(0,0,0,.09); border-color: #bbb; }

  /* Tables */
  thead th { color: var(--muted); border-bottom-color: var(--border); }
  tbody tr { border-bottom-color: var(--border); }
  tbody tr:hover { background: rgba(0,0,0,.025); }
  td { color: var(--muted); }
  td.key { color: var(--text); }

  /* Toggle */
  .toggle-slider { background: #ddd; border-color: var(--border); }
  .toggle-slider::before { background: #aaa; }
  input:checked + .toggle-slider { background: var(--text); border-color: var(--text); }
  input:checked + .toggle-slider::before { background: #fff; }

  /* Logs */
  .log-file-list, .log-viewer { border-color: var(--border); }
  .log-file-item { border-bottom-color: var(--border); }
  .log-file-item:hover { background: rgba(0,0,0,.025); }
  .log-file-item.active { background: rgba(0,0,0,.05); }
  .log-file-name { color: var(--text); }
  .log-viewer-head { border-bottom-color: var(--border); }
  .log-content { background: rgba(0,0,0,.03); }

  /* Modal */
  .modal { background: var(--panel); border-color: var(--border); }
  .modal-overlay { background: rgba(0,0,0,.5); }
  .modal-actions { border-top-color: var(--border); }
  .modal-title { color: var(--text); }
  .modal-close { color: var(--muted); }
  .modal-close:hover { color: var(--text); }

  /* Toast */
  .toast { background: var(--panel); color: var(--text); border-color: var(--border); }

  /* Login (inline CSS override) */
  body.login-page { background: var(--bg) !important; }
  body.login-page .card { background: var(--panel) !important; border-color: var(--border) !important; }
  body.login-page .form-input { background: var(--panel) !important; color: var(--text) !important; border-color: var(--border) !important; }
  body.login-page .subtitle { color: var(--muted) !important; }
  body.login-page .footer { color: var(--muted) !important; }
  body.login-page .btn-submit { background: var(--text) !important; color: #fff !important; }

  /* Mobile top bar */
  .lex-top-bar { background: rgba(241,242,246,.94); border-bottom-color: var(--border); }
  .lex-hamburger { color: var(--text); }
  .lex-hamburger:hover { background: rgba(0,0,0,.06); }
  .lex-top-bar-title { color: var(--text); }

  /* Sidebar */
  .lex-sidebar-panel { background: var(--panel); border-right-color: var(--border); }
  .lex-sidebar-brand { border-bottom-color: var(--border); }
  .lex-sidebar-brand-title { color: var(--text); }
  .lex-sidebar-nav-btn { color: rgba(0,0,0,.5); }
  .lex-sidebar-nav-btn:hover { background: rgba(0,0,0,.06); color: var(--text); border-color: rgba(0,0,0,.08); }
  .lex-sidebar-nav-btn.active { background: rgba(0,0,0,.08); color: var(--text); border-color: rgba(0,0,0,.1); }
  .lex-sidebar-user { border-top-color: var(--border); color: var(--muted); }
  .lex-sidebar-user strong { color: var(--text); }
  .lex-sidebar-overlay { background: rgba(0,0,0,.35); }

  /* Mobile bottom nav */
  .lex-mob-nav { background: rgba(241,242,246,.97); border-color: rgba(0,0,0,.1); box-shadow: 0 4px 20px rgba(0,0,0,.1), inset 0 1px 0 rgba(255,255,255,.8); }
  .lex-mob-nav-btn { color: rgba(0,0,0,.42); }
  .lex-mob-nav-btn.active { color: var(--text); background: rgba(0,0,0,.08); }
}