:root {
  --primary-color: #1e40af; /* Medium blue */
  --secondary-color: #2563eb; /* Brighter blue */
  --accent-color: #3b82f6; /* Standard blue */
  --success-color: #10b981; /* Kept original for contrast */
  --warning-color: #f59e0b; /* Kept original for contrast */
  --danger-color: #ef4444; /* Kept original for contrast */
  --light-bg: #0a1929; /* Dark blue background */
  --dark-bg: #050d1a; /* Very dark blue background */
  --card-bg: #16263e; /* Dark blue card */
  --dark-card-bg: #0f1f38; /* Darker blue card */
  --text-primary: #e0f2ff; /* Light blue text */
  --text-secondary: #93c5fd; /* Medium blue text */
  --text-light: #64748b; /* Light text */
  --border-color: #3b82f6; /* Blue border */
  --hover-bg: #1e40af; /* Medium blue hover */
  --shadow: 0 1px 3px 0 rgba(30, 64, 175, 0.2), 0 1px 2px -1px rgba(30, 64, 175, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(30, 64, 175, 0.2), 0 2px 4px -2px rgba(30, 64, 175, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(30, 64, 175, 0.2), 0 4px 6px -4px rgba(30, 64, 175, 0.2);
  --transition: all 0.3s ease;
  --border-radius: 12px;
}

/* Dark theme variables */
[data-theme="dark"] {
  --primary-color: #3b82f6; /* Bright blue */
  --secondary-color: #2563eb; /* Strong blue */
  --accent-color: #60a5fa; /* Light blue */
  --light-bg: #050d1a; /* Very dark blue background */
  --card-bg: #0a1929; /* Dark blue card */
  --text-primary: #e0f2ff; /* Light blue text */
  --text-secondary: #93c5fd; /* Medium blue text */
  --text-light: #64748b; /* Light text */
  --border-color: #3b82f6; /* Blue border */
  --hover-bg: #1e40af; /* Medium blue hover */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

main {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-top: 20px;
  margin-bottom: 20px;
  flex: 1;
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  background: linear-gradient(135deg, #1e40af, #1e3a8a);
  color: white;
  position: relative;
  z-index: 10;
}

nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top, rgba(14, 165, 233, 0.2), transparent 70%);
  z-index: -1;
}

nav h2 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

nav h2::before {
  content: "🌐 ";
  margin-right: 8px;
}

#star-count {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 16px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

#search-container {
  padding: 20px 48px 30px;
  position: relative;
}

#search-input {
  width: 100%;
  padding: 16px 24px 16px 52px;
  border-radius: 50px;
  border: 2px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-primary);
  font-size: 16px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

#search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(72, 149, 239, 0.3);
}

#search-input::placeholder {
  color: var(--text-light);
}

.search-icon {
  position: absolute;
  left: 65px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 18px;
  z-index: 1;
}

/* Description section */
#description {
  margin: 0 48px;
  padding: 30px 0 40px;
  border-bottom: 1px solid var(--border-color);
}

#description h3 {
  font-size: 2rem;
  margin-bottom: 24px;
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
}

#description .pragraf,
#description .pragraf2,
#description .pragraf3 {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1.1rem;
  line-height: 1.7;
}

#description .pragraf a,
#description .pragraf2 a,
#description .pragraf3 a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

#description .pragraf a:hover,
#description .pragraf2 a:hover,
#description .pragraf3 a:hover {
  text-decoration: underline;
}

#description .pragraf3 {
  margin-top: 24px;
  font-style: italic;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Protocols section */
.protocols {
  padding: 0 24px 40px;
}

.protocol {
  display: flex;
  align-items: center;
  padding: 20px 32px;
  margin: 12px 24px;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.protocol::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: 0.5s;
}

.protocol:hover::before {
  left: 100%;
}

.protocol:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.protocol .number {
  flex: 0 0 80px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.protocol .abbreviation {
  flex: 0 0 120px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

.protocol .name {
  flex: 1;
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: left;
}

.protocol:hover .name {
  color: var(--text-primary);
}

.protocol .number, .protocol .abbreviation {
  position: relative;
  z-index: 1;
}

/* Protocol detail page styles */
.protocol-detail {
  margin: 0 48px 40px;
  padding-top: 30px;
  color: var(--text-secondary);
}

.protocol-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
}

.protocol-name {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.protocol-meta {
  display: flex;
  gap: 30px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.protocol-port, .protocol-type {
  font-size: 1.1rem;
  padding: 8px 16px;
  background-color: var(--hover-bg);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
}

.protocol-port strong, .protocol-type strong {
  color: var(--text-primary);
  margin-right: 8px;
}

.port-number, .protocol-type-value {
  color: var(--primary-color);
  font-weight: 600;
}

.protocol-detail section {
  margin-bottom: 40px;
  padding: 20px;
  background-color: var(--hover-bg);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.protocol-detail h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-weight: 700;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.protocol-detail ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

.protocol-detail li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.protocol-detail li::before {
  content: '•';
  color: var(--primary-color);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.protocol-detail p {
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.protocol-references a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.protocol-references a:hover {
  text-decoration: underline;
}

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--card-bg);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--text-primary);
  font-size: 1.2rem;
  border: 2px solid var(--border-color);
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  background: var(--hover-bg);
  color: var(--primary-color);
}

/* Footer styles */
footer {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 30px 0;
  margin-top: auto;
}

.footer-content {
  text-align: center;
  padding: 0 20px;
}

.footer-content p {
  margin: 10px 0;
  font-size: 0.95rem;
}

.footer-content a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
}

.footer-content a:hover {
  text-decoration: underline;
}


/* Protocol Detail Page Specific Styles */
.protocol-detail-page {
  margin: 0 48px 40px;
  padding-top: 30px;
  color: var(--text-secondary);
}

.protocol-page-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
}

.protocol-page-name {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.protocol-page-meta {
  display: flex;
  gap: 30px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.protocol-page-port, .protocol-page-type {
  font-size: 1.1rem;
  padding: 8px 16px;
  background-color: var(--hover-bg);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
}

.protocol-page-port strong, .protocol-page-type strong {
  color: var(--text-primary);
  margin-right: 8px;
}

.port-page-number, .protocol-page-type-value {
  color: var(--primary-color);
  font-weight: 600;
}

.protocol-detail-page section {
  margin-bottom: 40px;
  padding: 20px;
  background-color: var(--hover-bg);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.protocol-detail-page h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-primary);
  font-weight: 700;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.protocol-detail-page ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

.protocol-detail-page li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.protocol-detail-page li::before {
  content: '•';
  color: var(--primary-color);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.protocol-detail-page p {
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.protocol-page-references a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.protocol-page-references a:hover {
  text-decoration: underline;
}

.port-page-number , .protocol-page-type-value , .protocol-page-references ul li a, nav a h2{
  color:white;
}

nav a{
  text-decoration: none;
}

nav a:hover{
  text-decoration: underline;
  text-decoration-color: white;
  margin-bottom: 10px;
}