/* Mobile bottom navigation bar */
#mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: clamp(50px, 8vh, 65px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(17, 17, 17, 0.9);
  backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255,255,255,0.12);
  display: none; /* hidden by default, shown at mobile widths */
  z-index: 3000;
}

#mobile-nav .nav-items {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

#mobile-nav a, #mobile-menu-toggle {
  --glow-color: rgb(217, 176, 255);
  color: var(--glow-color);
  text-decoration: none;
  font-weight: 700;
  font-size: clamp(11px, 2vw, 15px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(3px, 0.5vw, 6px);
  padding: clamp(4px, 0.8vw, 8px) clamp(8px, 1.5vw, 12px);
  border-radius: clamp(8px, 1.2vw, 12px);
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

#mobile-nav a .icon,
#mobile-menu-toggle .icon {
  font-size: clamp(16px, 3vw, 24px);
}

#mobile-nav a.active {
  background: rgba(191, 123, 255, 0.14);
  box-shadow: 0 0 1em .25em rgba(217, 176, 255, 0.4);
}

/* Menu modal */
#mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: none;
  z-index: 2999;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
  padding-top: clamp(60px, 10vh, 100px);
}

#mobile-menu.active { display: flex; }

#mobile-menu-content {
  width: clamp(90%, 85vw, 320px);
  max-width: clamp(280px, 85vw, 380px);
  background: #1a1a1a;
  border-radius: clamp(10px, 2vw, 15px);
  padding: clamp(15px, 2vw, 25px);
  border: 1px solid rgba(191, 123, 255, 0.2);
}

#mobile-menu-content h3 {
  color: #a58eff;
  font-size: clamp(0.8rem, 2vw, 1rem);
  text-transform: uppercase;
  margin-top: clamp(12px, 2vw, 18px);
  margin-bottom: clamp(8px, 1.5vw, 12px);
  text-shadow: 0 0 10px #a58eff;
  text-align: center;
}

#mobile-menu-content h3:first-child { margin-top: 0; }

#mobile-menu-content a {
  display: block;
  color: rgb(217, 176, 255);
  text-decoration: none;
  padding: clamp(8px, 1.5vw, 12px) clamp(10px, 2vw, 15px);
  margin-bottom: clamp(5px, 1vw, 8px);
  border-radius: clamp(6px, 1vw, 10px);
  font-size: clamp(13px, 2vw, 16px);
  font-weight: 600;
  text-align: center;
  transition: all 0.2s;
}

#mobile-menu-content a:hover {
  background: rgba(191, 123, 255, 0.15);
  box-shadow: 0 0 0.8em .2em rgba(217, 176, 255, 0.3);
}

#mobile-menu-close {
  position: absolute;
  top: clamp(15px, 2vw, 25px);
  right: clamp(15px, 2vw, 25px);
  background: none;
  border: none;
  color: rgb(217, 176, 255);
  font-size: clamp(24px, 4vw, 32px);
  cursor: pointer;
  z-index: 3001;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
}

/* ========== Optimisations Safari/macOS ========== */

#mobile-nav,
#mobile-menu-content {
  -webkit-overflow-scrolling: touch;
}

#mobile-nav a,
#mobile-menu-toggle,
#mobile-menu-close {
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#mobile-nav a:active,
#mobile-menu-toggle:active {
  -webkit-transform: scale(0.95);
  transform: scale(0.95);}

/* ========== Optimisation pour macOS/Safari ========== */
@supports (-webkit-touch-callout: none) {
  #mobile-nav {
    -webkit-user-select: none;
    -webkit-touch-callout: none;
  }
  
  #mobile-nav a, #mobile-menu-toggle {
    -webkit-user-select: none;
  }
}

/* ========== Support des écrans Retina ========== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  #mobile-nav {
    border-top-width: 0.5px;
  }
}

/* ========== Amélioration pour notch iPhone ========== */
@supports (padding: max(0px)) {
  #mobile-nav {
    padding-bottom: max(env(safe-area-inset-bottom, 0px), 12px);
  }
}

/* Mobile navigation is displayed by default on all devices for responsive experience */
#mobile-nav {
  display: block;
}