/* Custom Styles for Ferdy's Personal Website */

:root {
  /* Light mode colors */
  --bg-color: #ffffff;
  --text-color: #333333;
  --navbar-bg: #1a1a1a;
  --navbar-text: #ffffff;
  --card-bg: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.1);
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --info-color: #0dcaf0;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-bg: #f8f9fa;
}

[data-theme="dark"] {
  /* Dark mode colors */
  --bg-color: #1a1a1a;
  --text-color: #e9ecef;
  --navbar-bg: #000000;
  --navbar-text: #ffffff;
  --card-bg: #2d2d2d;
  --card-shadow: rgba(255, 255, 255, 0.1);
  --primary-color: #4dabf7;
  --secondary-color: #868e96;
  --success-color: #51cf66;
  --info-color: #22b8cf;
  --warning-color: #ffd43b;
  --danger-color: #ff6b6b;
  --light-bg: #2d2d2d;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Enhanced Navbar */
.navbar-custom {
  background: linear-gradient(135deg, var(--navbar-bg) 0%, #2c2c2c 100%);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(45deg, var(--primary-color), var(--info-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--navbar-text) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.navbar-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
  background: linear-gradient(45deg, var(--primary-color), var(--info-color));
  color: white !important;
  box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 50px;
  padding: 0.5rem 1rem;
  margin-left: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.05);
}

/* Enhanced Buttons */
.btn-enhanced {
  position: relative;
  overflow: hidden;
  border-radius: 50px;
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-enhanced:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-enhanced:hover:before {
  left: 100%;
}

.btn-enhanced:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary-enhanced {
  background: linear-gradient(45deg, var(--primary-color), #4dabf7);
  color: white;
}

.btn-secondary-enhanced {
  background: linear-gradient(45deg, var(--secondary-color), #868e96);
  color: white;
}

.btn-outline-enhanced {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-enhanced:hover {
  background: var(--primary-color);
  color: white;
}

.btn-success-enhanced {
  background: linear-gradient(45deg, var(--success-color), #51cf66);
  color: white;
}

.btn-info-enhanced {
  background: linear-gradient(45deg, var(--info-color), #22b8cf);
  color: white;
}

.btn-warning-enhanced {
  background: linear-gradient(45deg, var(--warning-color), #ffd43b);
  color: #212529;
}

/* Card Enhancements */
.card-enhanced {
  background: var(--card-bg);
  border: none;
  border-radius: 20px;
  box-shadow: 0 10px 30px var(--card-shadow);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card-enhanced:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--card-shadow);
}

.card-enhanced .card-body {
  padding: 2rem;
}

/* Custom Card for Blog Posts */
.card-custom {
  background: var(--card-bg);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 15px;
  box-shadow: 0 4px 20px var(--card-shadow);
  transition: all 0.3s ease;
  overflow: hidden;
}

[data-theme="dark"] .card-custom {
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-custom:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--card-shadow);
  border-color: var(--primary-color);
}

.card-custom .card-body {
  padding: 1.5rem;
}

/* Badge Enhancements */
.badge-enhanced {
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 500;
  font-size: 0.875rem;
  background: linear-gradient(45deg, var(--primary-color), var(--info-color));
  color: white;
  border: none;
  transition: all 0.3s ease;
}

.badge-enhanced:hover {
  transform: scale(1.05);
}

/* Timeline Enhancements */
.timeline-item {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 2rem;
}

.timeline-item:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-color), var(--info-color));
  border-radius: 2px;
}

.timeline-item:after {
  content: '';
  position: absolute;
  left: -6px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 3px solid var(--bg-color);
}

/* Floating Animation */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(45deg, var(--primary-color), var(--info-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero Section Enhancements */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(13, 110, 253, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(13, 202, 240, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .btn-enhanced {
    padding: 10px 20px;
    font-size: 0.875rem;
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
  
  .theme-toggle {
    margin-left: 0;
    margin-top: 1rem;
  }
}

/* Loading Animation */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scroll Behavior */
html {
  scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--info-color);
}