/* Main Styles for Brainys Platform */

:root {
  --primary-bg: #0a0a0f;
  --secondary-bg: #1a1a2e;
  --accent-blue: #00f5ff;
  --accent-purple: #8b5cf6;
  --accent-pink: #fd79a8;
  --accent-green: #00b894;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --border-color: rgba(0, 245, 255, 0.2);
  --glow-blue: 0 0 20px rgba(0, 245, 255, 0.3);
  --glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(0, 245, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(253, 121, 168, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Navigation Styles */
.navbar {
  background: var(--secondary-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(45deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-blue);
  background: rgba(0, 245, 255, 0.1);
  transform: translateY(-2px);
}

.nav-link i {
  font-size: 1.1rem;
}

/* User Menu */
.nav-user {
  display: flex;
  align-items: center;
}

.user-menu {
  position: relative;
}

.user-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.user-button:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: var(--accent-blue);
}

.user-button i:first-child {
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.5rem 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.user-menu:hover .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.dropdown-link:hover {
  background: rgba(0, 245, 255, 0.1);
  color: var(--accent-blue);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 80px);
  padding: 2rem 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.page-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: var(--glow-blue);
}

.page-title i {
  margin-right: 1rem;
  color: var(--accent-blue);
  -webkit-text-fill-color: initial;
}

.page-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--accent-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 1rem;
    padding: 0 1rem;
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav-menu {
    flex-direction: column;
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    justify-content: center;
  }
}