@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --primary-hover-gradient: linear-gradient(135deg, #059669 0%, #0891b2 100%);
  
  --font-headers: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Light theme values */
  --site-bg: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(15, 23, 42, 0.08);
  --accent-color: #059669;
  --accent-hover: #047857;
  --nav-bg: rgba(255, 255, 255, 0.85);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
}

[data-bs-theme="dark"] {
  --site-bg: #0b0f19;
  --card-bg: #111827;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-color: rgba(243, 244, 246, 0.08);
  --accent-color: #34d399;
  --accent-hover: #10b981;
  --nav-bg: rgba(11, 15, 25, 0.85);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -1px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.35), 0 4px 6px -2px rgba(0,0,0,0.2);
}

body {
  font-family: var(--font-body);
  background-color: var(--site-bg);
  color: var(--text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headers);
  font-weight: 700;
  color: var(--text-main);
}

/* Glassmorphism navbar */
.navbar-custom {
  background-color: var(--nav-bg) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.navbar-brand {
  font-family: var(--font-headers);
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* Custom cards */
.card-modern {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.card-modern:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), 0 12px 30px -10px rgba(16, 185, 129, 0.15);
  border-color: var(--accent-color);
}

/* Buttons and Links */
.btn-gradient {
  background: var(--primary-gradient);
  border: none;
  color: #fff !important;
  font-weight: 600;
  border-radius: 0.5rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.3s ease;
}

.btn-gradient:hover {
  background: var(--primary-hover-gradient);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-outline-custom {
  border: 1.5px solid var(--accent-color);
  color: var(--accent-color);
  background: transparent;
  font-weight: 600;
  border-radius: 0.5rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.3s ease;
}

.btn-outline-custom:hover {
  background: var(--accent-color);
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.text-accent {
  color: var(--accent-color) !important;
}

a.text-accent-hover:hover {
  color: var(--accent-hover) !important;
}

/* Hero Section */
.hero-gradient {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

/* Text decoration */
.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Footer modern style */
footer {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Badge custom styles */
.badge-custom {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-color);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 2rem;
  padding: 0.35em 0.75em;
  font-weight: 600;
}

/* Inputs styling */
.form-control, .form-select {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 0.5rem;
  padding: 0.6rem 0.9rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
  background-color: var(--card-bg);
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.25rem rgba(16, 185, 129, 0.15);
  color: var(--text-main);
}

/* Custom dropdown */
.dropdown-menu {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 0.75rem;
}

.dropdown-item {
  color: var(--text-main);
  transition: background-color 0.2s ease;
}

.dropdown-item:hover {
  background-color: rgba(16, 185, 129, 0.08);
  color: var(--accent-color);
}

/* List groups */
.list-group-item {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

/* Theme switch button styling */
#theme-toggle {
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 0.5rem;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

#theme-toggle:hover {
  color: var(--accent-color);
  background-color: rgba(16, 185, 129, 0.08);
}

/* Custom text utility */
.text-muted-custom {
  color: var(--text-muted) !important;
}

/* Breadcrumbs / Badges */
.bg-light-subtle-custom {
  background-color: rgba(148, 163, 184, 0.08) !important;
}

/* Code container dark contrast */
pre, code {
  font-family: Consolas, Menlo, Monaco, "Andale Mono", "Ubuntu Mono", monospace;
}

pre {
  background-color: #0f172a !important;
  color: #e2e8f0 !important;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
}

code {
  color: #10b981;
}

pre code {
  color: inherit;
}

/* Page load and transition animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
/* Pygments Syntax Highlighting (One Dark theme) */
.codehilite {
  background: #0f172a;
  color: #abb2bf;
  border-radius: 0.5rem;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.codehilite pre {
  margin: 0;
  padding: 0;
  background: transparent !important;
  border: none !important;
}
.codehilite .c { color: #5c6370; font-style: italic; } /* Comment */
.codehilite .err { color: #e06c75; } /* Error */
.codehilite .k { color: #c678dd; } /* Keyword */
.codehilite .o { color: #56b6c2; } /* Operator */
.codehilite .cm { color: #5c6370; font-style: italic; }
.codehilite .cp { color: #c678dd; }
.codehilite .c1 { color: #5c6370; font-style: italic; }
.codehilite .cs { color: #5c6370; font-style: italic; }
.codehilite .gd { color: #e06c75; }
.codehilite .ge { font-style: italic; }
.codehilite .gr { color: #e06c75; }
.codehilite .gh { color: #61afef; font-weight: bold; }
.codehilite .gi { color: #98c379; }
.codehilite .go { color: #abb2bf; }
.codehilite .gp { color: #5c6370; font-weight: bold; }
.codehilite .gs { font-weight: bold; }
.codehilite .gu { color: #61afef; font-weight: bold; }
.codehilite .gt { color: #e06c75; }
.codehilite .kc { color: #d19a66; } /* Keyword.Constant */
.codehilite .kd { color: #c678dd; } /* Keyword.Declaration */
.codehilite .kn { color: #c678dd; } /* Keyword.Namespace */
.codehilite .kp { color: #c678dd; }
.codehilite .kr { color: #c678dd; }
.codehilite .kt { color: #e5c07b; } /* Keyword.Type */
.codehilite .m { color: #d19a66; } /* Literal.Number */
.codehilite .s { color: #98c379; } /* Literal.String */
.codehilite .na { color: #d19a66; } /* Name.Attribute */
.codehilite .nb { color: #56b6c2; } /* Name.Builtin */
.codehilite .nc { color: #e5c07b; } /* Name.Class */
.codehilite .no { color: #e06c75; } /* Name.Constant */
.codehilite .nd { color: #61afef; } /* Name.Decorator */
.codehilite .ni { color: #e06c75; }
.codehilite .ne { color: #e5c07b; }
.codehilite .nf { color: #61afef; } /* Name.Function */
.codehilite .nl { color: #abb2bf; }
.codehilite .nn { color: #e5c07b; } /* Name.Namespace */
.codehilite .nt { color: #e06c75; } /* Name.Tag */
.codehilite .nv { color: #e06c75; } /* Name.Variable */
.codehilite .ow { color: #c678dd; } /* Operator.Word */
.codehilite .w { color: #abb2bf; }
.codehilite .mb { color: #d19a66; }
.codehilite .mf { color: #d19a66; }
.codehilite .mh { color: #d19a66; }
.codehilite .mi { color: #d19a66; }
.codehilite .mo { color: #d19a66; }
.codehilite .sb { color: #98c379; }
.codehilite .sc { color: #98c379; }
.codehilite .sd { color: #5c6370; font-style: italic; }
.codehilite .s2 { color: #98c379; }
.codehilite .se { color: #56b6c2; }
.codehilite .sh { color: #98c379; }
.codehilite .si { color: #d19a66; }
.codehilite .sx { color: #98c379; }
.codehilite .sr { color: #56b6c2; }
.codehilite .s1 { color: #98c379; }
.codehilite .ss { color: #56b6c2; }
.codehilite .bp { color: #56b6c2; }
.codehilite .vc { color: #e06c75; }
.codehilite .vg { color: #e06c75; }
.codehilite .vi { color: #e06c75; }
.codehilite .il { color: #d19a66; }