/* ================================================================
   JBLX — Mobile Navigation Styles
   Add this file as <link rel="stylesheet" href="css/mobile-nav.css">
   on every page, OR paste the contents into the bottom of styles.css
================================================================ */

/* ── Hide hamburger on desktop ─────────────────────────────── */
.jblx-hamburger { display: none; }

/* ── Hamburger button ──────────────────────────────────────── */
.jblx-hamburger {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}

.jblx-hamburger:hover {
  background: var(--surface2);
  border-color: var(--border-hi);
}

.jblx-hamburger span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-dim);
  border-radius: 2px;
  transform-origin: center;
  transition: transform 0.22s ease, opacity 0.22s ease, background 0.15s;
}

/* Animated X when open */
.jblx-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--accent); }
.jblx-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.jblx-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--accent); }

/* ── Overlay ───────────────────────────────────────────────── */
.jblx-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 890;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.jblx-sidebar-overlay.open {
  display: block;
  opacity: 1;
}

/* ── Sidebar panel ─────────────────────────────────────────── */
.jblx-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 270px;
  max-width: calc(100vw - 48px);
  background: var(--surface);
  border-left: 1px solid var(--border-hi);
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.5);
  z-index: 900;
  display: flex;
  flex-direction: column;
  transform: translateX(105%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.jblx-sidebar.open {
  transform: translateX(0);
}

/* ── Sidebar header ────────────────────────────────────────── */
.jblx-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.jblx-sidebar-logo {
  height: 26px;
  width: auto;
  display: block;
}

.jblx-sidebar-close {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}

.jblx-sidebar-close:hover {
  background: rgba(224, 48, 64, 0.14);
  border-color: rgba(224, 48, 64, 0.35);
  color: #e03040;
}

/* ── Sidebar nav links ─────────────────────────────────────── */
.jblx-sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
}

.jblx-sidebar-link {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 20px;
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-left: 3px solid transparent;
  transition: color 0.14s, background 0.14s, border-color 0.14s;
  position: relative;
}

.jblx-sidebar-link:hover {
  color: var(--text);
  background: var(--surface2);
}

.jblx-sidebar-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-glow, rgba(0, 200, 240, 0.07));
}

.jblx-sidebar-link svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.jblx-sidebar-link.active svg {
  opacity: 1;
}

/* ── Sidebar footer (theme toggle) ────────────────────────── */
.jblx-sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.jblx-sidebar-theme {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: color 0.14s, border-color 0.14s, background 0.14s;
}

.jblx-sidebar-theme:hover {
  color: var(--text);
  border-color: var(--border-hi);
  background: var(--surface2);
}

/* ── Mobile breakpoint: show hamburger, hide desktop links ── */
@media (max-width: 720px) {
  .jblx-hamburger {
    display: flex;
  }

  /* Hide all desktop nav links and theme toggle */
  .top-nav .nav-links .nav-link,
  .top-nav .nav-links .theme-toggle {
    display: none;
  }
}