/**
 * VPR 8 Class - Theory Page Styles
 * Стили для теоретических страниц
 */

@import url("vpr8-common.css");

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  min-height: 100vh;
  padding: 20px;
}

h1 {
  text-align: center;
  color: white;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-size: 2rem;
}

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

.theory-content {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.theory-section {
  margin-bottom: 30px;
  padding-bottom: 25px;
  border-bottom: 1px solid #e0e0e0;
}

.theory-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.theory-section h2 {
  color: #333;
  margin-bottom: 15px;
  font-size: 1.4rem;
}

.theory-section p {
  color: #555;
  line-height: 1.7;
  margin-bottom: 12px;
}

.theory-section ul,
.theory-section ol {
  margin-left: 25px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 15px;
}

.theory-section li {
  margin-bottom: 8px;
}

.important {
  background: #e8f4fd;
  border-left: 4px solid #17a2b8;
  border-radius: 0 10px 10px 0;
  padding: 15px 20px;
  margin: 20px 0;
}

.important h3 {
  color: #0c5460;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.important ul,
.important ol {
  margin-left: 25px;
  margin-bottom: 0;
}

.example {
  background: #f8f9fa;
  border-left: 4px solid #667eea;
  border-radius: 0 10px 10px 0;
  padding: 15px 20px;
  margin: 20px 0;
  font-family: Consolas, Monaco, monospace;
}

.example p {
  margin-bottom: 8px;
}

.example p:last-child {
  margin-bottom: 0;
}

.example ol {
  margin-left: 25px;
  margin-top: 10px;
  margin-bottom: 10px;
}

.example li {
  margin-bottom: 8px;
}

.step-list {
  margin-left: 25px;
  padding-left: 0;
}

.step-list h3 {
  margin-top: 0;
  color: #2c3e50;
  margin-left: -25px;
  margin-bottom: 12px;
}

.step-list ol {
  margin-left: 20px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 15px;
}

.step-list li {
  margin-bottom: 8px;
}

code {
  background: #e9ecef;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: Consolas, Monaco, monospace;
  font-size: 0.9rem;
  color: #333;
}

sub {
  font-size: 0.8rem;
}

sup {
  font-size: 0.8rem;
}

.conversion-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.conversion-table thead {
  background: linear-gradient(145deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.conversion-table th,
.conversion-table td {
  padding: 12px 15px;
  text-align: center;
  border-bottom: 1px solid #e9ecef;
  color: #333;
}

.conversion-table th {
  font-weight: 600;
  color: white;
}

.conversion-table tbody tr:last-child td {
  border-bottom: none;
}

.conversion-table tbody tr:hover {
  background: #f8f9fa;
}

/* Responsive */
@media (max-width: 600px) {
  h1 {
    font-size: 1.5rem;
  }

  .theory-content {
    padding: 20px;
  }

  .theory-section h2 {
    font-size: 1.2rem;
  }

  .conversion-table th,
  .conversion-table td {
    padding: 8px 10px;
    font-size: 0.9rem;
  }
}