/* ==========================================================================
   KIMINOX KNOWLEDGE HUB - UNIVERSAL NAVIGATION SYSTEM (UX/UI ANTI-SLOP)
   Conforme au standard DESIGN.md & tokens.json
   ========================================================================== */

:root {
  --kmx-nav-height: 52px;
  --kmx-font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --kmx-font-mono: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, monospace;
  
  --kmx-nav-bg-dark: rgba(15, 23, 42, 0.94);
  --kmx-nav-border-dark: rgba(255, 255, 255, 0.08);
  --kmx-nav-text-dark: #f8fafc;
  --kmx-nav-muted-dark: #94a3b8;
  
  --kmx-nav-bg-light: rgba(255, 255, 255, 0.94);
  --kmx-nav-border-light: rgba(15, 23, 42, 0.08);
  --kmx-nav-text-light: #0f172a;
  --kmx-nav-muted-light: #64748b;

  --kmx-cobalt: #2563eb;
  --kmx-emerald: #059669;
  --kmx-amber: #d97706;
  --kmx-vermilion: #dc2626;
  --kmx-indigo: #4f46e5;
}

/* NAVBAR FIXE UNIFIÉE */
.kmx-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--kmx-nav-height);
  background: var(--kmx-nav-bg-dark);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--kmx-nav-border-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100000;
  font-family: var(--kmx-font-sans);
  box-sizing: border-box;
  transition: background 0.2s ease, border-color 0.2s ease;
}

[data-theme="light"] .kmx-nav {
  background: var(--kmx-nav-bg-light);
  border-bottom-color: var(--kmx-nav-border-light);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* MARQUE & LOGO */
.kmx-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--kmx-nav-text-dark);
  flex-shrink: 0;
  padding: 4px 8px;
  border-radius: 8px;
  transition: background 0.15s ease;
}

[data-theme="light"] .kmx-nav-brand {
  color: var(--kmx-nav-text-light);
}

.kmx-nav-brand:hover {
  background: rgba(255, 255, 255, 0.06);
}
[data-theme="light"] .kmx-nav-brand:hover {
  background: rgba(0, 0, 0, 0.04);
}

.kmx-brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #00ef98;
  box-shadow: 0 0 10px #00ef98;
  animation: kmxPulse 2.5s infinite;
}

@keyframes kmxPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.8; }
}

.kmx-brand-title {
  font-family: var(--kmx-font-mono);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kmx-brand-tag {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--kmx-nav-muted-dark);
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.07);
  padding: 2px 7px;
  border-radius: 4px;
}
[data-theme="light"] .kmx-brand-tag {
  color: var(--kmx-nav-muted-light);
  background: rgba(0, 0, 0, 0.05);
}

/* ONGLETS DES BASES DE CONNAISSANCES */
.kmx-nav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kmx-tab-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 7px;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--kmx-nav-muted-dark);
  border: 1px solid transparent;
  transition: all 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
}

[data-theme="light"] .kmx-tab-link {
  color: var(--kmx-nav-muted-light);
}

.kmx-tab-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="light"] .kmx-tab-link:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #0f172a;
  border-color: rgba(0, 0, 0, 0.08);
}

/* ÉTATS ACTIFS PAR BASE */
.kmx-tab-link.active[data-kb="hub"] {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.1);
}

.kmx-tab-link.active[data-kb="protocole"] {
  background: #1e40af;
  color: #ffffff;
  border-color: #3b82f6;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
}

.kmx-tab-link.active[data-kb="cyber"] {
  background: #991b1b;
  color: #ffffff;
  border-color: #ef4444;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.35);
}

.kmx-tab-link.active[data-kb="electro"] {
  background: #065f46;
  color: #ffffff;
  border-color: #10b981;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.35);
}

.kmx-tab-link.active[data-kb="auto"] {
  background: #9a3412;
  color: #ffffff;
  border-color: #f97316;
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.35);
}

.kmx-tab-link[data-kb="more"] {
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.15);
  font-size: 11.5px;
  color: var(--kmx-nav-muted-dark);
}
[data-theme="light"] .kmx-tab-link[data-kb="more"] {
  border-color: rgba(0, 0, 0, 0.15);
  color: var(--kmx-nav-muted-light);
}

/* ACTIONS DE DROITE */
.kmx-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kmx-nav-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--kmx-nav-text-dark);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

[data-theme="light"] .kmx-nav-btn {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
  color: var(--kmx-nav-text-light);
}

.kmx-nav-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
}
[data-theme="light"] .kmx-nav-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.18);
}

.kmx-nav-btn kbd {
  font-family: var(--kmx-font-mono);
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}
[data-theme="light"] .kmx-nav-btn kbd {
  background: rgba(0, 0, 0, 0.07);
  border-color: rgba(0, 0, 0, 0.12);
  color: #0f172a;
}

.kmx-burger-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--kmx-nav-text-dark);
  font-size: 20px;
  cursor: pointer;
  padding: 6px;
}
[data-theme="light"] .kmx-burger-btn {
  color: var(--kmx-nav-text-light);
}

/* MENU MOBILE / TIROIR RESPONSIVE */
.kmx-mobile-menu {
  position: fixed;
  top: var(--kmx-nav-height);
  left: 0;
  right: 0;
  background: var(--kmx-nav-bg-dark);
  border-bottom: 1px solid var(--kmx-nav-border-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  padding: 14px 16px;
  display: none;
  flex-direction: column;
  gap: 10px;
  z-index: 99999;
}
[data-theme="light"] .kmx-mobile-menu {
  background: var(--kmx-nav-bg-light);
  border-bottom-color: var(--kmx-nav-border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.kmx-mobile-menu.open {
  display: flex;
}

.kmx-mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--kmx-nav-text-dark);
  font-weight: 600;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
[data-theme="light"] .kmx-mobile-link {
  color: var(--kmx-nav-text-light);
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.06);
}

.kmx-mobile-link.active {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.15);
  color: #ffffff;
}
[data-theme="light"] .kmx-mobile-link.active {
  color: #1e40af;
}

/* POPUP DE RECHERCHE RAPIDE TOUTES BASES */
.kmx-search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 100001;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}
.kmx-search-overlay.open {
  display: flex;
}

.kmx-search-modal {
  width: min(600px, 92vw);
  background: #111827;
  border: 1px solid #374151;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  font-family: var(--kmx-font-sans);
}
[data-theme="light"] .kmx-search-modal {
  background: #ffffff;
  border-color: #e5e7eb;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
}

.kmx-search-input-box {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid #1f2937;
  gap: 12px;
}
[data-theme="light"] .kmx-search-input-box {
  border-bottom-color: #f3f4f6;
}

.kmx-search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #f9fafb;
  font-size: 16px;
  font-family: inherit;
  outline: none;
}
[data-theme="light"] .kmx-search-input {
  color: #111827;
}

.kmx-search-results {
  max-height: 380px;
  overflow-y: auto;
  padding: 8px;
}

.kmx-search-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: #e5e7eb;
  font-size: 13.5px;
  transition: background 0.15s ease;
}
[data-theme="light"] .kmx-search-item {
  color: #374151;
}

.kmx-search-item:hover, .kmx-search-item:focus {
  background: #1f2937;
  color: #ffffff;
}
[data-theme="light"] .kmx-search-item:hover, .kmx-search-item:focus {
  background: #f3f4f6;
  color: #111827;
}

.kmx-search-item-badge {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
}

.kmx-badge-protocole { background: #1e3a8a; color: #93c5fd; }
.kmx-badge-cyber { background: #7f1d1d; color: #fca5a5; }
.kmx-badge-electro { background: #064e3b; color: #6ee7b7; }
.kmx-badge-auto { background: #7c2d12; color: #fdba74; }

/* RESPONSIVE DESIGN */
@media (max-width: 860px) {
  .kmx-nav-tabs {
    display: none;
  }
  .kmx-burger-btn {
    display: block;
  }
}