/* ============================================================
   CYNO.GG — Navigation System
   Slide-in sidebar opened from the topbar MENU trigger.
   ============================================================ */

/* ── Sidebar panel — slides in from the right ── */
.nav-mega-menu {
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  left: auto !important;
  z-index: 9999 !important;
  width: 280px !important;
  max-width: calc(100vw - 48px);
  max-height: 100vh !important;
  min-width: unset !important;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 !important;
  border-radius: 0 !important;
  border: none !important;
  border-left: 1px solid color-mix(in srgb, var(--glass-border) 50%, transparent) !important;
  background:
    linear-gradient(180deg,
      rgba(8, 14, 24, 0.97) 0%,
      rgba(6, 10, 18, 0.98) 100%) !important;
  box-shadow:
    -20px 0 60px rgba(0, 0, 0, 0.5),
    inset 1px 0 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(40px) saturate(160%);
  -webkit-backdrop-filter: blur(40px) saturate(160%);
  display: flex !important;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  transform: translateX(100%) !important;
  transform-origin: right center !important;
  pointer-events: none;
  transition:
    opacity 0.32s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);

  /* Slim custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: rgba(123, 220, 255, 0.15) transparent;
}
.nav-mega-menu::-webkit-scrollbar { width: 4px; }
.nav-mega-menu::-webkit-scrollbar-track { background: transparent; }
.nav-mega-menu::-webkit-scrollbar-thumb {
  background: rgba(123, 220, 255, 0.15);
  border-radius: 4px;
}

/* Stagger sections when the sidebar opens */
.nav-mega-menu.is-open .nav-mega-section {
  animation: navSectionSlide 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.nav-mega-menu.is-open .nav-mega-section:nth-child(1) { animation-delay: 0.03s; }
.nav-mega-menu.is-open .nav-mega-section:nth-child(2) { animation-delay: 0.06s; }
.nav-mega-menu.is-open .nav-mega-section:nth-child(3) { animation-delay: 0.09s; }
.nav-mega-menu.is-open .nav-mega-section:nth-child(4) { animation-delay: 0.12s; }
.nav-mega-menu.is-open .nav-mega-section:nth-child(5) { animation-delay: 0.15s; }
.nav-mega-menu.is-open .nav-mega-section:nth-child(6) { animation-delay: 0.18s; }
.nav-mega-menu.is-open .nav-mega-section:nth-child(7) { animation-delay: 0.21s; }
@keyframes navSectionSlide {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .nav-mega-menu.is-open .nav-mega-section { animation: none; }
}

.nav-mega-menu.is-open {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateX(0) !important;
}

.nav-mega-menu[hidden] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Top accent line */
.nav-mega-menu::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--accent) 60%, transparent),
    color-mix(in srgb, #8de6d6 40%, transparent),
    transparent 80%);
  pointer-events: none;
  z-index: 1;
}

/* Remove the hover-bridge (was for centered dropdown) */
.nav-mega-menu::after { display: none; }

/* ── Sidebar header — brand echo + close hint ── */
.nav-mega-menu > .nav-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Mega menu sections ── */
.nav-mega-section {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 10px 12px;
}

/* Thin separator between sections */
.nav-mega-section + .nav-mega-section {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Ensure links visible when open */
.nav-mega-menu.is-open .nav-mega-section a {
  display: flex !important;
}

/* Section titles */
.nav-mega-section .nav-section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--accent) 70%, var(--text-muted));
  margin: 0 0 4px;
  padding: 4px 10px 2px;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

/* No dot marker — cleaner for sidebar */
.nav-mega-section .nav-section-title::before { display: none; }
/* No trailing hairline */
.nav-mega-section .nav-section-title::after { display: none; }

/* ── Nav links — compact list style ── */
.nav-mega-section a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: none;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    padding-left 0.18s ease;
}

/* Left accent bar on hover */
.nav-mega-section a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 0;
  border-radius: 999px;
  background: var(--accent);
  transition: height 0.18s ease;
}

/* Right chevron hint */
.nav-mega-section a::after {
  content: "\203A";
  margin-left: auto;
  font-size: 15px;
  line-height: 1;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-mega-section a:hover,
.nav-mega-section a:focus-visible {
  color: var(--text);
  background: rgba(123, 220, 255, 0.06);
  padding-left: 14px;
}
.nav-mega-section a:hover::before,
.nav-mega-section a:focus-visible::before { height: 55%; }
.nav-mega-section a:hover::after,
.nav-mega-section a:focus-visible::after { opacity: 1; transform: translateX(0); }

.nav-mega-section a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--accent) 40%, transparent);
}

/* Active item */
.nav-mega-section a.active {
  color: var(--accent);
  background: rgba(123, 220, 255, 0.08);
}
.nav-mega-section a.active::before { height: 55%; }

/* ── Backdrop ── */
.nav-mega-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.45);
  transition: opacity 0.25s ease;
}

.nav-mega-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Desktop (>=981px) ── */
@media (min-width: 981px) {
  .nav-mega-section {
    display: flex;
    flex-direction: column;
    gap: 1px;
  }

  .nav-mega-section .nav-section-title {
    grid-column: unset;
  }

  /* Reset any tile overrides — keep the list style */
  .nav-mega-section a {
    flex-direction: row;
    text-align: left;
  }
  .nav-mega-section a::after { content: "\203A"; }

  .nav-mega-section a:hover,
  .nav-mega-section a:focus-visible {
    transform: none;
    box-shadow: none;
  }

  .nav-mega-section a:focus-visible {
    outline: 1.5px solid color-mix(in srgb, var(--accent) 45%, transparent);
    outline-offset: 1px;
  }

  /* Hover no longer opens — sidebar is click-only via JS */
}

/* ── Mobile (<=980px) ── */
@media (max-width: 980px) {
  .nav-mega-menu {
    width: 260px;
  }

  /* Single mobile nav: reset .top-nav to inline container */
  .topbar .top-nav {
    position: static !important;
    display: inline-flex !important;
    width: auto; max-height: none; overflow: visible;
    padding: 0; margin: 0;
    background: none !important; border: none !important;
    box-shadow: none !important; backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    opacity: 1 !important; pointer-events: auto !important;
    transform: none !important;
  }
  .topbar .top-nav > .nav-mega-menu { position: fixed; }
  .topbar-menu-toggle { display: none !important; }
}

@media (max-width: 640px) {
  .nav-mega-menu {
    width: calc(100vw - 32px);
    max-width: 280px;
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .nav-mega-menu {
    transition: opacity 0.15s ease !important;
    transform: none !important;
  }

  .nav-mega-section a {
    transition: none !important;
  }
}

/* ── Touch devices: bigger tap targets ── */
html.is-touch .nav-mega-section a {
  padding: 10px 10px;
  min-height: 44px;
}

/* ── Integration with topbar ── */
.topbar .top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
}

.topbar .top-nav.is-public-hidden {
  display: none !important;
}

@media (min-width: 981px) {
  .topbar .top-nav {
    flex-wrap: nowrap;
  }
}

.topbar .brand { flex-shrink: 0; }
.topbar .topbar-actions { flex-shrink: 0; }

/* ============================================================
   MOBILE BOTTOM TAB BAR
   ============================================================ */

@media (pointer: coarse) and (max-width: 720px) {
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: linear-gradient(145deg, color-mix(in srgb, var(--glass-bg-strong) 95%, transparent), color-mix(in srgb, var(--glass-bg) 90%, transparent));
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border-top: 1px solid color-mix(in srgb, var(--glass-border) 60%, transparent);
    padding: 6px 0 max(6px, env(safe-area-inset-bottom, 0px));
    justify-content: space-around;
    box-shadow: 0 -4px 20px rgba(2, 6, 12, 0.4);
  }

  .mobile-bottom-nav a {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 10px;
    min-height: 48px;
    min-width: 56px;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-xs);
    transition: color 0.2s ease, background 0.2s ease;
  }

  .mobile-bottom-nav a svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
  }

  .mobile-bottom-nav a:hover,
  .mobile-bottom-nav a:focus-visible {
    color: var(--text);
    background: color-mix(in srgb, var(--glass-bg) 30%, transparent);
  }

  .mobile-bottom-nav a.active {
    color: var(--accent);
  }

  .mobile-bottom-nav a.active svg {
    filter: drop-shadow(0 0 6px rgba(123, 220, 255, 0.4));
  }

  .mobile-bottom-nav .nav-badge {
    position: absolute;
    top: 2px;
    right: 50%;
    transform: translateX(14px);
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 999px;
    background: var(--status-danger);
    color: #041018;
    font-size: 9px;
    font-weight: 700;
    display: grid;
    place-items: center;
    line-height: 1;
  }

  body {
    padding-bottom: max(64px, calc(56px + env(safe-area-inset-bottom, 0px)));
  }
}

@media (min-width: 721px), (pointer: fine) {
  .mobile-bottom-nav {
    display: none !important;
  }
}