/* The Official BetaCity CSS File */
/* You may use this CSS in your site */

:root {
  --bg-gradient-light: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
  --bg-gradient-dark: linear-gradient(135deg, #091236 0%, #1e215d 100%);
  --glass-bg-light: rgba(255,255,255,0.3);
  --glass-bg-dark: rgba(40,40,60,0.4);
  --glass-border-light: rgba(255,255,255,0.2);
  --glass-border-dark: rgba(70,70,100,0.5);
  --text-light: #1a202c;
  --text-dark: #e3e8ee;
  --accent: #30cfd0;
  --accent-dark: #24b8be;
}
html[data-theme="light"] {
  --bg-gradient: var(--bg-gradient-light);
  --glass-bg: var(--glass-bg-light);
  --glass-border: var(--glass-border-light);
  --text: var(--text-light);
}
html[data-theme="dark"] {
  --bg-gradient: var(--bg-gradient-dark);
  --glass-bg: var(--glass-bg-dark);
  --glass-border: var(--glass-border-dark);
  --text: var(--text-dark);
}
body {
  margin: 0;
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  background: var(--bg-gradient);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
nav {
  width: 100%;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
  box-sizing: border-box; /* solution */
}
nav .site-title {
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 2px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.2rem;
}

nav .nav-links a {
  text-decoration: none;
  color: var(--accent);
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}
nav .nav-links a:hover {
  color: var(--accent-dark);
}
.toggle-btn {
  padding: 0.5rem 0.6rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 2rem;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
  transition: background 0.2s, color 0.2s;
  margin-bottom: 12px;
  flex-shrink: 0;
}
.toggle-btn:hover {
  background: var(--accent);
  color: #fff;
}
main {
  flex: 1;
  display: flex;
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.content-sections {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
  backdrop-filter: blur(10px);
  margin-bottom: 0;
}
.infobox {
  flex: 1;
  position: sticky;
  top: 6rem;
  align-self: flex-start;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-left: auto;
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
  backdrop-filter: blur(8px);
  min-width: 260px;
  max-width: 320px;
}
.infobox h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
}
.btn, button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 2rem;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(48,207,208,0.13);
  transition: background 0.2s, color 0.2s;
  margin-top: 1rem;
}
.btn:hover, button:hover {
  background: var(--accent-dark);
}
a {
  color: var(--accent);
  text-decoration: underline;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent-dark);
}
footer {
  width: 100%;
  padding: 1.2rem 2rem;
  background: var(--glass-bg);
  border-top: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  text-align: center;
  color: var(--text);
  font-size: 1rem;
  margin-top: auto;
}
@media (max-width: 900px) {
  main {
    flex-direction: column;
    padding: 1rem;
  }
  .infobox {
    position: static;
    margin: 2rem 0 0 0;
    max-width: 100%;
    min-width: 0;
  }
}
@media (max-width: 600px) {
  nav, footer {
    padding: 0.7rem 1rem;
  }
  section {
    padding: 1rem;
  }
}