/* ═══════════════════════════════════════════════════
   NULLSCAPES TOPBAR — paste into <head> of any page
   Compatible with cyanobacteria.css variable system.
═══════════════════════════════════════════════════ */

/* ── Push page content down so it doesn't hide under fixed bar ── */
body {
  padding-top: 36px !important;
}

/* ── Reset scope so global nav/a styles don't bleed in ── */
#ns-topbar,
#ns-topbar *,
#ns-mobile-menu,
#ns-mobile-menu * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
  font-style: normal;
  transition: none;
}

/* ── Topbar shell — fixed, full width, above everything ── */
#ns-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  height: 36px;
  display: flex;
  align-items: stretch;
  background: linear-gradient(180deg, var(--gradientTop) 0%, var(--gradientBottom) 100%);
  border-bottom: 2px ridge var(--border);
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  font-family: 'MS PGothic', sans-serif;
}

/* ── Logo ── */
#ns-topbar .ns-logo {
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.82rem;
  font-weight: bold;
  letter-spacing: 2px;
  color: var(--accent) !important;
  border-right: 2px ridge var(--border);
  white-space: nowrap;
  background: linear-gradient(to right, var(--bg), var(--gradientBottom));
  transition: box-shadow 0.15s, color 0.15s !important;
}

#ns-topbar .ns-logo:hover,
#ns-topbar .ns-logo:focus {
  box-shadow: inset 0 0 8px color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent) !important;
  font-style: normal !important;
}

/* ── Nav list ── */
#ns-topbar .ns-nav {
  display: flex;
  align-items: stretch;
  flex: 1;
}

#ns-topbar .ns-nav > li {
  position: relative;
  display: flex;
  align-items: stretch;
}

/* ── Top-level nav buttons ── */
#ns-topbar .ns-nav > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 12px;
  height: 100%;
  font-size: 0.78rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--text) !important;
  border-right: 1px solid var(--border);
  border-bottom: none;
  background: none;
  border-radius: 0;
  white-space: nowrap;
  transition: box-shadow 0.15s, color 0.15s, background 0.15s !important;
}

#ns-topbar .ns-nav > li > a .ns-arr {
  font-size: 0.55rem;
  opacity: 0.5;
  transition: opacity 0.15s !important;
}

/* ── Hover: accent glow on the border ── */
#ns-topbar .ns-nav > li > a:hover,
#ns-topbar .ns-nav > li > a:focus {
  background: linear-gradient(to bottom, var(--bg), var(--gradientBottom));
  color: var(--accent) !important;
  font-style: normal !important;
  box-shadow:
    inset 0 0 10px color-mix(in srgb, var(--accent) 25%, transparent),
    inset 0 -2px 0 var(--accent);
}

#ns-topbar .ns-nav > li > a:hover .ns-arr,
#ns-topbar .ns-nav > li > a:focus .ns-arr {
  opacity: 1;
}

/* ── Active (dropdown open): stronger glow + bottom accent line ── */
#ns-topbar .ns-nav > li.ns-open > a {
  background: linear-gradient(to bottom, var(--bg), var(--gradientBottom));
  color: var(--accent) !important;
  font-style: normal !important;
  box-shadow:
    inset 0 0 14px color-mix(in srgb, var(--accent) 35%, transparent),
    inset 0 -3px 0 var(--accent);
}

/* ── Current page ── */
#ns-topbar .ns-nav > li > a.ns-current {
  color: var(--accent) !important;
  box-shadow: inset 0 -3px 0 var(--accent);
  background: linear-gradient(to bottom, var(--bg), var(--gradientBottom));
}

/* ── Dropdown panel ── */
#ns-topbar .ns-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: linear-gradient(var(--gradientTop), var(--gradientBottom));
  border: 2px ridge var(--border);
  border-top: 2px solid var(--accent);
  box-shadow:
    0 4px 12px rgba(0,0,0,0.3),
    0 0 8px color-mix(in srgb, var(--accent) 20%, transparent);
  z-index: 9100;
}

#ns-topbar .ns-nav > li.ns-open .ns-dropdown {
  display: block;
}

/* ── Dropdown category label ── */
#ns-topbar .ns-dropdown .ns-cat {
  display: block;
  padding: 5px 10px 3px;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px ridge var(--border);
  font-weight: bold;
  cursor: default;
  opacity: 0.8;
}

/* ── Dropdown links ── */
#ns-topbar .ns-dropdown a {
  display: block;
  padding: 6px 10px 6px 14px;
  font-size: 0.8rem;
  color: var(--text) !important;
  border-bottom: 1px solid var(--border);
  background: none;
  border-radius: 0;
  transition: background 0.1s, padding-left 0.1s, box-shadow 0.1s, color 0.1s !important;
}

#ns-topbar .ns-dropdown a:last-child {
  border-bottom: none;
}

#ns-topbar .ns-dropdown a:hover,
#ns-topbar .ns-dropdown a:focus {
  background: linear-gradient(to right, var(--bg), var(--gradientBottom));
  padding-left: 18px;
  color: var(--accent) !important;
  font-style: normal !important;
  box-shadow: inset 3px 0 0 var(--accent);
}

/* ── WIP badge ── */
#ns-topbar .ns-wip {
  font-size: 0.5rem;
  letter-spacing: 1px;
  padding: 1px 4px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  color: var(--accent);
  opacity: 0.6;
  vertical-align: middle;
  margin-left: 4px;
}

/* ── Hamburger (mobile only) ── */
#ns-topbar .ns-hamburger {
  display: none;
  margin-left: auto;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  background: none;
  border: none;
  border-left: 1px solid var(--border);
  border-radius: 0;
  color: var(--text);
  cursor: pointer;
  width: auto;
  font-family: inherit;
  transition: box-shadow 0.15s, color 0.15s !important;
}

#ns-topbar .ns-hamburger:hover,
#ns-topbar .ns-hamburger:focus {
  color: var(--accent);
  box-shadow: inset 0 0 10px color-mix(in srgb, var(--accent) 25%, transparent);
  font-style: normal !important;
}

/* ── Mobile slide-down menu ── */
#ns-mobile-menu {
  display: none;
  position: fixed;
  top: 36px;
  left: 0;
  right: 0;
  z-index: 8999;
  background: linear-gradient(var(--gradientTop), var(--gradientBottom));
  border-bottom: 2px ridge var(--border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  max-height: calc(100vh - 36px);
  overflow-y: auto;
}

#ns-mobile-menu.ns-open { display: block; }

#ns-mobile-menu .ns-cat {
  display: block;
  padding: 7px 14px 3px;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: bold;
  border-bottom: 1px ridge var(--border);
  font-family: 'MS PGothic', sans-serif;
}

#ns-mobile-menu a {
  display: block;
  padding: 8px 14px 8px 20px;
  font-size: 0.85rem;
  font-family: 'MS PGothic', sans-serif;
  color: var(--text) !important;
  border-bottom: 1px solid var(--border);
  background: none;
  border-radius: 0;
  transition: background 0.1s, padding-left 0.1s, box-shadow 0.1s !important;
}

#ns-mobile-menu a:hover,
#ns-mobile-menu a:focus {
  background: linear-gradient(to right, var(--bg), var(--gradientBottom));
  color: var(--accent) !important;
  padding-left: 24px;
  font-style: normal !important;
  box-shadow: inset 3px 0 0 var(--accent);
}

/* ── Hide nav on mobile, show hamburger ── */
@media (max-width: 760px) {
  #ns-topbar .ns-nav    { display: none; }
  #ns-topbar .ns-hamburger { display: flex; }
}

@media (max-width: 400px) {
  #ns-topbar .ns-logo { font-size: 0.7rem; padding: 0 8px; }
}

/* ═══════════════════════════════════
   CATEGORY COLORS — 360 RGBY scheme
   Red=Main, Green=neoGenesis,
   Blurple=My World, Orange=Creations
═══════════════════════════════════ */

/* ── Shared: colored outline on the button, colored arrow ── */
#ns-topbar .ns-nav > li.ns-cat-red    > a { box-shadow: inset 0 0 0 1px #e3000f; }
#ns-topbar .ns-nav > li.ns-cat-green  > a { box-shadow: inset 0 0 0 1px #76c900; }
#ns-topbar .ns-nav > li.ns-cat-purple > a { box-shadow: inset 0 0 0 1px #6b5fff; }
#ns-topbar .ns-nav > li.ns-cat-orange > a { box-shadow: inset 0 0 0 1px #f47b00; }

/* ── Colored arrows ── */
#ns-topbar .ns-nav > li.ns-cat-red    > a .ns-arr { color: #e3000f; opacity: 1; }
#ns-topbar .ns-nav > li.ns-cat-green  > a .ns-arr { color: #76c900; opacity: 1; }
#ns-topbar .ns-nav > li.ns-cat-purple > a .ns-arr { color: #6b5fff; opacity: 1; }
#ns-topbar .ns-nav > li.ns-cat-orange > a .ns-arr { color: #f47b00; opacity: 1; }

/* ── Hover + open: glow kicks in ── */
#ns-topbar .ns-nav > li.ns-cat-red    > a:hover,
#ns-topbar .ns-nav > li.ns-cat-red.ns-open    > a {
  box-shadow: inset 0 0 0 1px #e3000f,
              inset 0 0 12px rgba(227,0,15,0.35),
              inset 0 -3px 0 #e3000f;
  color: #e3000f !important;
}

#ns-topbar .ns-nav > li.ns-cat-green  > a:hover,
#ns-topbar .ns-nav > li.ns-cat-green.ns-open  > a {
  box-shadow: inset 0 0 0 1px #76c900,
              inset 0 0 12px rgba(118,201,0,0.35),
              inset 0 -3px 0 #76c900;
  color: #76c900 !important;
}

#ns-topbar .ns-nav > li.ns-cat-purple > a:hover,
#ns-topbar .ns-nav > li.ns-cat-purple.ns-open > a {
  box-shadow: inset 0 0 0 1px #6b5fff,
              inset 0 0 12px rgba(107,95,255,0.35),
              inset 0 -3px 0 #6b5fff;
  color: #6b5fff !important;
}

#ns-topbar .ns-nav > li.ns-cat-orange > a:hover,
#ns-topbar .ns-nav > li.ns-cat-orange.ns-open > a {
  box-shadow: inset 0 0 0 1px #f47b00,
              inset 0 0 12px rgba(244,123,0,0.35),
              inset 0 -3px 0 #f47b00;
  color: #f47b00 !important;
}

/* ── Dropdown top border matches category color ── */
#ns-topbar .ns-nav > li.ns-cat-red.ns-open    .ns-dropdown { border-top-color: #e3000f; }
#ns-topbar .ns-nav > li.ns-cat-green.ns-open  .ns-dropdown { border-top-color: #76c900; }
#ns-topbar .ns-nav > li.ns-cat-purple.ns-open .ns-dropdown { border-top-color: #6b5fff; }
#ns-topbar .ns-nav > li.ns-cat-orange.ns-open .ns-dropdown { border-top-color: #f47b00; }

/* ═══════════════════════════════════════
   MOBILE MENU — full screen pause overlay
═══════════════════════════════════════ */

#ns-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 8999;
  background: linear-gradient(160deg, var(--gradientTop) 0%, var(--gradientBottom) 100%);
  overflow-y: auto;
  padding-top: 52px; /* clears the topbar */
  animation: ns-menu-in 0.18s ease both;
}

@keyframes ns-menu-in {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

#ns-mobile-menu.ns-open { display: block; }

/* ── Section headers with category colors ── */
#ns-mobile-menu .ns-cat {
  display: block;
  padding: 14px 20px 6px;
  font-size: 0.6rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: bold;
  font-family: 'MS PGothic', sans-serif;
  border-bottom: 2px ridge var(--border);
  margin-top: 8px;
}

#ns-mobile-menu .ns-cat-red    { color: #e3000f; border-bottom-color: #e3000f; }
#ns-mobile-menu .ns-cat-purple { color: #6b5fff; border-bottom-color: #6b5fff; }
#ns-mobile-menu .ns-cat-green  { color: #76c900; border-bottom-color: #76c900; }
#ns-mobile-menu .ns-cat-orange { color: #f47b00; border-bottom-color: #f47b00; }

/* ── Links — big touch targets ── */
#ns-mobile-menu a {
  display: block;
  padding: 13px 20px 13px 28px;
  font-size: 1rem;
  font-family: 'MS PGothic', sans-serif;
  color: var(--text) !important;
  border-bottom: 1px solid var(--border);
  background: none;
  border-radius: 0;
  letter-spacing: 0.5px;
  transition: padding-left 0.1s, background 0.1s, box-shadow 0.1s !important;
}

#ns-mobile-menu a:hover,
#ns-mobile-menu a:focus,
#ns-mobile-menu a:active {
  background: linear-gradient(to right, var(--bg), transparent);
  color: var(--accent) !important;
  padding-left: 36px;
  font-style: normal !important;
  box-shadow: inset 4px 0 0 var(--accent);
}

/* ── Animated hamburger → X ── */
#ns-ham {
  position: relative;
  width: 36px;
  height: 36px;
  padding: 0;
  display: none; /* shown via media query in base CSS */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

#ns-ham .ns-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
  position: relative;
}

#ns-ham.ns-ham-open .ns-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#ns-ham.ns-ham-open .ns-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#ns-ham.ns-ham-open .ns-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Close hint at bottom of menu ── */
#ns-mobile-menu::after {
  content: '[ tap outside or ✕ to close ]';
  display: block;
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--border);
  padding: 24px 0 32px;
  font-family: 'MS PGothic', sans-serif;
}
