:root {
  --primary-color: #3d5afe;
  --secondary-color: #536dfe;
  --background-color: #0a0a0c;
  --text-color: #ffffff;
  --border-radius: 12px;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-stroke: rgba(255, 255, 255, 0.05);
  --navbar-bg: rgba(10, 10, 12, 0.85);
  --navbar-height: 64px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* reserve space for fixed navbar */
  padding-top: calc(var(--navbar-height) + 2rem);
}

a { color: inherit; text-decoration: none; }

/* NAVBAR */
.navbar {
  position: fixed;
  top: 1rem;
  left: 3vw;
  right: 3vw;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background: var(--navbar-bg);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  z-index: 9999;
  box-shadow: 0 8px 30px rgba(0,0,0,0.45);
}

.navbar h1 { font-size: 1.1rem; font-weight: 600; color: var(--text-color); }

.navbar-menu { display: flex; gap: 0.6rem; align-items: center; }
.navbar-menu a {
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  background: transparent;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.navbar-menu a:hover { background: rgba(255,255,255,0.03); }
.navbar-menu a.active { background: linear-gradient(135deg,var(--primary-color),var(--secondary-color)); color: #fff; border-color: transparent; }

/* main container */
.changelog-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem; /* top padding reduced because body already reserves navbar space */
}

.content { max-width: 880px; margin: 0 auto; }

/* header */
.changelog-header { margin-bottom: 1.25rem; display:flex; align-items:center; gap:0.75rem; }
.changelog-header i { color: var(--primary-color); font-size:1.25rem; }
.changelog-header h1 { font-size: 1.6rem; font-weight:700; }

.btn-back { display:inline-flex; align-items:center; gap:0.5rem; padding:0.45rem 0.8rem; border-radius:8px; background:transparent; border:1px solid rgba(255,255,255,0.06); color:var(--text-color); cursor:pointer; }
.btn-back:hover { background: rgba(255,255,255,0.03); }

/* VERSION LIST - simple vertical list */
.version-list {
  margin-top: 1rem;
  padding: 0.5rem 0;
}

.version-item {
  padding: 1rem 0;
  background: var(--glass);
  border: 1px solid var(--glass-stroke);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.version-item:last-child { border-bottom: none; }

.version-header { display:flex; align-items:center; gap:0.75rem; margin-bottom:0.5rem; }
.version-header h3 { font-size: 1.05rem; color: var(--text-color); font-weight:650; }
.version-header p { margin-left:auto; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; color: rgba(255,255,255,0.55); font-size:0.9rem; }
.version-type { font-size:0.75rem; opacity:0.8; padding:0.18rem 0.45rem; border-radius:6px; }
.version-type.major { color:#ff4081; border:1px solid rgba(255,64,129,0.08); }
.version-type.minor { color:var(--primary-color); border:1px solid rgba(61,109,254,0.06); }

/* status pill */
.version-status {
  font-size: 0.72rem;
  padding: 0.18rem 0.45rem;
  border-radius: 6px;
  margin-left: 0.5rem;
  opacity: 0.95;
}

.version-status.released {
  background: rgba(76, 175, 80, 0.12);
  color: #4CAF50;
  border: 1px solid rgba(76, 175, 80, 0.08);
}

.version-status.beta-release {
  background: rgba(255, 193, 7, 0.12);
  color: #FFC107;
  border: 1px solid rgba(255, 193, 7, 0.08);
}

.version-status.in-development {
  background: rgba(33, 150, 243, 0.08);
  color: #2196F3;
  border: 1px solid rgba(33, 150, 243, 0.06);
}

.version-status.unknown {
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.04);
}

/* CHANGES */
.changes-list { list-style:none; margin-top:0.5rem; padding-left:0.6rem; }
.changes-list > li { position:relative; padding-left:1.1rem; margin:0.25rem 0; background:transparent; }
.changes-list > li::before { content:''; position:absolute; left:0; top:0.6rem; width:8px; height:8px; background:var(--primary-color); border-radius:50%; opacity:1; }

/* nested sub-features */
.changes-list li ul { margin-top:0.35rem; margin-bottom:0.6rem; margin-left:0.6rem; padding-left:0.9rem; border-left:1px dashed rgba(255,255,255,0.04); }
.changes-list li ul li { padding:0.25rem 0 0.25rem 0.9rem; color: rgba(255,255,255,0.72); font-size:0.95rem; position:relative; }
.changes-list li ul li::before { content:'›'; position:absolute; left:-1rem; color: var(--secondary-color); opacity:0.7; }

/* Product selection list styling */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.product-grid a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.product-card {
  background: var(--glass);
  border: 1px solid var(--glass-stroke);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
  border-color: rgba(255,255,255,0.12);
}

.product-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.product-card p {
  margin: 0;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}

/* Force product list to be a vertical list with glass backgrounds */
.product-list, .product-grid {
  display: block !important;
  width: 100%;
  padding: 0;
  margin: 0;
  list-style: none;
}

.product-item {
  background: var(--glass) !important;
  border: 1px solid var(--glass-stroke) !important;
  border-radius: 12px !important;
  padding: 1rem !important;
  margin-bottom: 1rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 1rem !important;
}

.product-link {
  display: flex !important;
  align-items: center !important;
  gap: 1rem !important;
  width: 100% !important;
  color: inherit !important;
}

.product-card-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.product-icon { flex-shrink: 0; font-size: 1.35rem; color: var(--primary-color); }
.product-info { flex: 1; }
.product-version { margin-left: auto; color: var(--primary-color); font-weight: 600; }

/* ensure small screens stack nicely */
@media (max-width: 640px) {
  .product-item { flex-direction: column; align-items: flex-start; }
  .product-version { margin-left: 0; margin-top: 0.5rem; }
}

/* ensure product list items look good on small screens */
@media (max-width: 640px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* small screens */
@media (max-width: 720px) {
  .navbar { left: 1rem; right: 1rem; }
  body { padding-top: calc(var(--navbar-height) + 1.25rem); }
  .content { padding: 0 0.5rem; }
  .changelog-header h1 { font-size: 1.25rem; }
  .version-header p { display:block; margin-left:0; margin-top:0.25rem; }
}

/* accessibility: ensure links inside changes are visible */
.changes-list a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* small visual tweaks */
.version-item:hover { background: rgba(255,255,255,0.01); }

/* ensure the background animation balls don't cover content on very small screens */
@media (max-width: 480px) {
  .background-animation .ball { display:none; }
}

/* background animation balls */
.background-animation {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.ball {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.ball-1 { width: 300px; height: 300px; background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%); top: 8%; left: -60px; animation: float1 25s infinite; }
.ball-2 { width: 220px; height: 220px; background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, var(--secondary-color) 100%); bottom: 8%; right: -60px; animation: float2 18s infinite; }
.ball-3 { width: 260px; height: 260px; background: linear-gradient(135deg, var(--secondary-color) 0%, #ff4e6e 100%); top: 45%; left: 18%; animation: float3 30s infinite; }
.ball-4 { width: 180px; height: 180px; background: rgba(255, 105, 180, 0.15); top: 18%; right: 10%; animation: float 20s infinite; }
.ball-5 { width: 220px; height: 220px; background: rgba(50, 205, 50, 0.12); bottom: 25%; left: 48%; animation: float 22s infinite; }

@keyframes float1 { 0%,100%{ transform: translate(0,0) } 50%{ transform: translate(120px, 120px) } }
@keyframes float2 { 0%,100%{ transform: translate(0,0) } 50%{ transform: translate(-120px, -60px) } }
@keyframes float3 { 0%{ transform: translate(-50%,-50%) } 100%{ transform: translate(-50%,-50%) rotate(360deg) translate(150px) } }

/* ensure buttons and rounded corners are visible */
.btn-back { border-radius: 8px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 6px 18px rgba(0,0,0,0.25); }

/* make navbar corners visible on dark background */
.navbar { border-radius: 12px; }

/* ensure links and buttons use white text */
.navbar-menu a, .btn-back, .version-header h3, .changes-list li { color: #fff; }

/* Fix: ensure version items show visible glass background and are block-level clickable */
.version-list .version-item {
  display: block !important;
  background: var(--glass) !important;
  border: 1px solid var(--glass-stroke) !important;
  border-radius: 12px !important;
  padding: 1rem 1.25rem !important;
  margin: 0 0 1rem 0 !important;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  color: inherit !important;
  text-decoration: none !important;
  transition: transform 0.16s ease, background 0.16s ease;
}

.version-list .version-item:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.04) !important;
}

/* Make sure inner content keeps its spacing */
.version-list .version-item .version-header {
  margin: 0;
  padding: 0;
}

.version-list .version-item .changes-list {
  margin-top: 0.75rem;
  padding-left: 0.6rem;
}

/* If Link renders an anchor, ensure full-width clickable area */
.version-list .version-item {
  width: 100%;
}

/* Version hero */
.version-hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.04);
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1.25rem;
}

.hero-left { display:flex; gap:1rem; align-items:flex-start; }
.hero-icon { width:56px; height:56px; display:grid; place-items:center; background: linear-gradient(135deg,var(--primary-color),var(--secondary-color)); border-radius:10px; color:#fff; }
.hero-info h1 { margin:0; font-size:1.25rem; }
.hero-meta { display:flex; gap:0.5rem; align-items:center; margin-top:0.25rem; }
.hero-version { font-weight:700; color:var(--primary-color); }
.release-date { color: rgba(255,255,255,0.6); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.product-desc { margin-top:0.5rem; color: rgba(255,255,255,0.85); }

.tags { margin-top:0.6rem; display:flex; gap:0.5rem; flex-wrap:wrap; }
.tag { background: rgba(255,255,255,0.03); padding:0.25rem 0.5rem; border-radius:6px; border:1px solid rgba(255,255,255,0.03); color: rgba(255,255,255,0.9); font-weight:600; font-size:0.85rem; }

.hero-actions { display:flex; gap:0.5rem; align-items:center; }
.btn-outline { padding:0.5rem 0.75rem; border-radius:8px; border:1px solid rgba(255,255,255,0.06); background:transparent; color:var(--text-color); }
.btn-primary { padding:0.5rem 0.75rem; border-radius:8px; border:none; background: linear-gradient(135deg,var(--primary-color),var(--secondary-color)); color:#fff; cursor:pointer; }

/* Change blocks */
/* Override: make change text plain with dot bullets, remove colored blocks */
.change-block {
  background: transparent !important;
  border: none !important;
  padding: 0.25rem 0 !important;
  box-shadow: none !important;
}

/* Top-level changes list: small dot marker */
.changes-list {
  list-style: none !important;
  padding-left: 1rem !important;
}

.changes-list > li {
  position: relative;
  padding-left: 1.1rem !important;
  margin: 0.25rem 0 !important;
  background: transparent !important;
}

.changes-list > li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  opacity: 1;
}

/* Nested sub-features: smaller marker */
.sub-features {
  list-style: none;
  padding-left: 1rem;
  margin-top: 0.35rem;
}

.sub-features li {
  position: relative;
  padding-left: 1.1rem;
  margin: 0.15rem 0;
}

.sub-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 5px;
  height: 5px;
  background: rgba(61,109,254,0.85);
  border-radius: 50%;
  opacity: 0.95;
}

/* Ensure change-title and change-desc spacing looks right when background removed */
.change-title { margin: 0 0 0.25rem 0; }
.change-desc { margin: 0 0 0.5rem 0; }

/* Ensure accessibility for links inside the changes */
.changes-list a { color: #fff; text-decoration: underline; }

/* Ensure product and version items show small dot markers on the left */
.product-item::before,
.version-list .version-item::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 1.25rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(61,109,254,0.06);
  opacity: 0.95;
}

/* Ensure product-item and version-item are positioned relative for the marker */
.product-item, .version-list .version-item {
  position: relative;
  padding-left: 2.25rem; /* leave space for marker */
}

/* Reinforce top-level changes bullets */
.changes-list > li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  opacity: 1;
}

/* If nested lists are inside change blocks, ensure their markers are smaller */
.changes-list li ul li::before, .sub-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 5px;
  height: 5px;
  background: rgba(61,109,254,0.85);
  border-radius: 50%;
  opacity: 0.95;
}

/* Make sure links inside version-item keep full width and no background overlay */
.version-list .version-item > * {
  position: relative;
  z-index: 1;
}

/* change-line styles */
.change-line { display:flex; align-items:flex-start; gap:0.5rem; }
.change-line .dash { color: var(--primary-color); font-weight:700; }
.change-text { color: rgba(255,255,255,0.92); }

.sub-features { margin-top:0.25rem; margin-left:1.25rem; padding-left:0.5rem; }
.sub-features li { padding-left:0.5rem; position:relative; }
.sub-features li:before { content:''; position:absolute; left:0; top:0.35rem; width:5px; height:5px; background: rgba(255,255,255,0.75); border-radius:50%; }

/* Remove default list markers in version detail change lists */
.version-details .changes-list,
.version-details .sub-features {
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}

/* Remove extra dot markers for version detail page */
.version-details .changes-list > li::before,
.version-details .sub-features li::before {
  display: none !important;
}

/* Hide hero icon on version detail page */
.version-hero .hero-icon { display: none; }

/* Remove dot markers so icons are visible in lists */
.product-item::before,
.version-list .version-item::before,
.changes-list > li::before,
.sub-features li::before {
  display: none !important;
  content: none !important;
}

/* Reset left padding where markers were used */
.product-item, .version-list .version-item, .changes-list > li, .sub-features li {
  padding-left: 0.5rem !important;
}

/* Ensure product-icon shows */
.product-icon { display: block; }

/* Update version detail sub-features spacing */
.version-details .changes-list li {
  margin-bottom: 0.75rem;
}

.version-details .sub-features {
  margin: 0.5rem 0 0.75rem 1.5rem;
}

.version-details .sub-features li {
  margin-bottom: 0.35rem;
  margin-left: 0.5rem;
  opacity: 0.85;
}