/* static/css/main.css - Modern Mobile-First Design */

:root {
  /* Modern gradient colors inspired by reference */
  --gradient-start: #4A90E2;
  --gradient-mid: #5BA3D9;
  --gradient-end: #6DD5B0;
  --gradient-bg: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
  
  /* Neutral colors */
  --bg-light: #F8FAFB;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C9A;
  --text-light: #A8B4C0;
  
  /* Accent colors */
  --accent-blue: #4A90E2;
  --accent-green: #6DD5B0;
  --success-color: #52C41A;
  --danger-color: #FF4D4F;
  --warning-color: #FAAD14;
  
  /* Shadows and borders */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --border-radius-lg: 20px;
}

/* Base styles */
* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-light);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
}

.main-content {
  flex: 1;
  padding-top: 1rem;
  padding-bottom: 2rem;
}

/* Modern Navigation */
.navbar {
  background: var(--gradient-bg) !important;
  box-shadow: var(--shadow-md);
  padding: 1rem 0;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1030;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: white !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand i {
  font-size: 1.8rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: var(--border-radius-sm);
  transition: all 0.3s ease;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: white !important;
}

.nav-link.active {
  background-color: rgba(255, 255, 255, 0.2);
  color: white !important;
  font-weight: 600;
}

/* Modern search bar */
.navbar .input-group {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.navbar .form-control {
  border: none;
  padding: 0.6rem 1rem;
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--text-primary);
}

.navbar .form-control:focus {
  background-color: white;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.navbar .btn-outline-light {
  border: none;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.6rem 1.2rem;
}

.navbar .btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Mobile navigation improvements */
.navbar-toggler {
  border: none;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.2);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.navbar-collapse {
  background-color: transparent;
}

/* Dropdown menus */
.navbar .dropdown {
  position: relative;
  z-index: 10000;
}

.dropdown-menu {
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  margin-top: 0.5rem;
  z-index: 10001 !important;
  position: absolute !important;
  background-color: white !important;
}

.dropdown-item {
  border-radius: var(--border-radius-sm);
  padding: 0.6rem 1rem;
  transition: all 0.2s ease;
  color: var(--text-primary);
}

.dropdown-item:hover {
  background-color: rgba(74, 144, 226, 0.1);
  color: var(--accent-blue);
}

.dropdown-header {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}

.footer h5 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.2s ease;
}

.footer a:hover {
  color: var(--accent-green);
  transform: translateX(3px);
}

.footer .social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.footer .social-icons a:hover {
  background-color: var(--accent-green);
  transform: translateY(-3px);
}

/* Responsive adjustments */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: rgba(74, 144, 226, 0.95);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    margin-top: 1rem;
    backdrop-filter: blur(10px);
  }
  
  .navbar .input-group {
    margin: 1rem 0;
  }
  
  .nav-link {
    margin: 0.25rem 0;
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .main-content {
    padding-top: 0.5rem;
  }
  
  .footer {
    padding: 2rem 0 1rem;
  }
}