:root {
  --primary-blue: #2B415C;
  --link-blue: #7c9cc7;
  --hover-blue: #5a7ca8;
  --hover-red: #f5576c;
  --text-gray: rgba(248, 250, 252, 0.85);
  --light-gray: rgba(248, 250, 252, 0.65);
  --border-gray: rgba(255, 255, 255, 0.1);
  --content-blue: #7c9cc7;
  --white: #0f172a;
  --code-blue: #7c9cc7;
  --code-bg: rgba(255, 255, 255, 0.05);
  --highlight-dark: #7c9cc7;
  --highlight-bg: rgba(124, 156, 199, 0.1);
  --brown-text: #5a7ca8;
  --href-dark: rgba(248, 250, 252, 0.85);
  --text-dark: rgba(248, 250, 252, 0.85);

  --primary-gradient: linear-gradient(135deg, #7c9cc7 0%, #5a7ca8 100%);
  --secondary-gradient: linear-gradient(135deg, #8bb9d9 0%, #6ba3d6 100%);
  --tech-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --dark-bg: #0f172a;
  --card-bg: rgba(255, 255, 255, 0.05);
  --text-primary: #f8fafc;
  --text-secondary: rgba(248, 250, 252, 0.85);
  --text-muted: rgba(248, 250, 252, 0.65);
  --accent-color: #7c9cc7;
  --border-color: rgba(255, 255, 255, 0.1);
  --accent-hover: #5a7ca8;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

img {
  margin: 30px 0;
  padding: 0;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

code {
  color: var(--accent-color);
  font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Inconsolata', 'Roboto Mono', Consolas, 'Courier New', monospace;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  border: 1px solid rgba(124, 156, 199, 0.2);
}

.tutorialSectionDiv1 {
  display: block;
  margin: 0;
  padding: 40px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tutorialSectionDiv1:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.tutorialSectionDiv1 a:link,
.tutorialSectionDiv1 a:visited {
  color: var(--accent-color);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid transparent;
  font-weight: 500;
}

.tutorialSectionDiv1 a:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

.tutorialSectionDiv1 a:focus {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
  border-radius: 4px;
}

.tutorialSectionTextDiv1 {
  width: 100%;
  margin: 25px 0;
  padding: 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
}

.tutorialSectionTextDiv1 p {
  margin-bottom: 20px;
}

.tutorialSectionTitleSpan1 {
  margin: 0;
  padding: 0 0 20px 0;
  background: transparent;
  color: var(--accent-color);
  font-size: 1.8rem;
  font-weight: 600;
  display: block;
  position: relative;
  line-height: 1.4;
}

.tutorialSectionTitleSpan1::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.tutorialSubSectionTitleSpan1 {
  margin: 40px 0 20px 0;
  padding: 0 0 10px 0;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.6rem;
  font-weight: 700;
  display: block;
  position: relative;
  border-bottom: 2px solid rgba(124, 156, 199, 0.5);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tutorialSectionTitleSeparatorSpan1 {
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 2rem;
  font-weight: 300;
  display: inline-block;
}

.tutorialSectionNotesDiv1 {
  width: 100%;
  margin: 30px 0;
  padding: 25px;
  background: rgba(124, 156, 199, 0.05);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 300;
  position: relative;
  line-height: 1.8;
  border-left: 4px solid var(--accent-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tutorialSectionNotesDiv1:hover {
  background: rgba(124, 156, 199, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tutorialSectionNotesDiv1::before {
  content: '💡';
  position: absolute;
  top: 15px;
  left: 15px;
  font-size: 20px;
}

.tutorialSectionNotesSpan1 {
  margin: 0 0 10px 30px;
  padding: 0 0 5px 0;
  background: transparent;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1rem;
  font-weight: 600;
  display: block;
}

.ol_decimal_1,
.ol_decimal_contents_1,
.ol_upper_latin_1,
.ol_lower_latin_1,
.ol_lower_latin_contents_1,
.ol_upper_roman_1,
.ol_lower_roman_1,
.ol_lower_roman_contents_1 {
  padding-left: 30px;
  margin: 25px 0;
}

.ol_decimal_1 li,
.ol_upper_latin_1 li,
.ol_upper_roman_1 li,
.ol_decimal_contents_1 li,
.ol_lower_roman_contents_1 li,
.ol_lower_latin_contents_1 li,
.ol_lower_roman_1 li,
.ol_lower_latin_1 li {
  margin: 8px 0;
  padding: 0;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.8;
  background: transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ol_decimal_1 li:hover,
.ol_upper_latin_1 li:hover,
.ol_upper_roman_1 li:hover,
.ol_decimal_contents_1 li:hover,
.ol_lower_roman_contents_1 li:hover,
.ol_lower_latin_contents_1 li:hover,
.ol_lower_roman_1 li:hover,
.ol_lower_latin_1 li:hover {
  transform: translateX(3px);
}

.ol_decimal_1 > li::marker,
.ol_decimal_contents_1 > li::marker,
.ol_upper_latin_1 > li::marker,
.ol_lower_latin_1 > li::marker,
.ol_lower_latin_contents_1 > li::marker,
.ol_upper_roman_1 > li::marker,
.ol_lower_roman_1 > li::marker,
.ol_lower_roman_contents_1 > li::marker {
  color: var(--accent-color);
  font-weight: 600;
}

.ul_square_1,
.ul_circle_1,
.ul_disc_1,
.ul_none_2 {
  list-style-type: none;
  padding-left: 25px;
  margin: 25px 0;
}

.ul_square_1 li,
.ul_circle_1 li,
.ul_disc_1 li,
.ul_none_2 li {
  margin: 8px 0;
  padding: 0;
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.8;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ul_square_1 li:hover,
.ul_circle_1 li:hover,
.ul_disc_1 li:hover,
.ul_none_2 li:hover {
  transform: translateX(3px);
}

.ul_square_1 li::before {
  content: '▸';
  color: var(--accent-color);
  font-weight: bold;
  position: absolute;
  left: -20px;
}

.ul_circle_1 li::before {
  content: '○';
  color: var(--accent-color);
  font-weight: bold;
  position: absolute;
  left: -20px;
}

.ul_disc_1 li::before {
  content: '●';
  color: var(--accent-color);
  font-weight: bold;
  position: absolute;
  left: -20px;
}

.ul_none_1 {
  list-style-type: none;
  margin: 15px 0 0 10px;
  padding: 0;
}

table.iconstable1,
table.iconstable2,
table.csstable3 {
  margin: 25px 0;
  padding: 0;
  border-collapse: collapse;
  width: 100%;
  max-width: 100%;
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
}

tr.csstr1 {
  vertical-align: top;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

tr.csstr1:hover {
  background: rgba(255, 255, 255, 0.03);
}

td.csstd1 {
  border: 1px solid var(--border-color);
  padding: 15px;
  vertical-align: top;
  color: var(--text-secondary);
}

th.cssth1 {
  border: 1px solid var(--border-color);
  padding: 15px;
  background: var(--primary-gradient);
  color: white;
  font-weight: 600;
  text-align: left;
}

span.linkHintSpan1 {
  margin: 0 5px;
  padding: 6px 12px;
  color: var(--text-primary);
  background: var(--highlight-bg);
  border-radius: 20px;
  font-size: 0.9em;
  display: inline-block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

span.linkHintSpan1:hover {
  background: rgba(124, 156, 199, 0.15);
  transform: translateY(-1px);
}

span.spanstyle1 {
  color: var(--brown-text);
  margin: 0 0 0 15px;
  font-style: italic;
  font-size: 1.0em;
  font-weight: bold;
  display: inline-block;
  background: var(--secondary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

span.codeLinkSpan1 {
  color: var(--accent-color);
  margin: 0 0 0 15px;
  font-size: 1rem;
  font-weight: 500;
  display: inline-block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

span.codeLinkSpan1:hover {
  color: var(--accent-hover);
}

span.highlightSpan1 {
  color: var(--text-primary);
  margin: 0 2px;
  font-size: 1rem;
  font-weight: 500;
  background: var(--highlight-bg);
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

span.highlightSpan1:hover {
  background: rgba(124, 156, 199, 0.15);
}

div.divstyle1 {
  margin: 0 0 0 15px;
}

a.tutorialMainPageA1 {
  margin: 0;
  padding: 0 0 0 3px;
  font-size: 1.875rem;
  font-weight: 600;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a.tutorialMainPageA1:hover {
  transform: scale(1.05);
}

a.tutorialMainPageA1:focus {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
  border-radius: 4px;
}

code.code1,
.code1 {
  margin: 0;
  padding: 4px 8px;
  color: var(--accent-color);
  background: var(--code-bg);
  border-radius: 6px;
  font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Inconsolata', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 0.9em;
  border: 1px solid rgba(124, 156, 199, 0.2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.code1:hover {
  background: rgba(124, 156, 199, 0.1);
  border-color: rgba(124, 156, 199, 0.4);
}

.img1 {
  margin: 30px 0;
  padding: 0;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  background: transparent;
}

.tutorialSectionHr1 {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 50px 0;
}

.href1 a:link,
.href1 a:visited {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 1px solid transparent;
  font-weight: 500;
}

.href1 a:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

.href1 a:focus {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
  border-radius: 4px;
}

.tutorialSectionAdInLeftDiv1 {
  margin: 0;
  padding: 0;
  float: right;
}

.tutorialSectionAdInDiv1 {
  margin: 0;
  padding: 0;
}

.tutorialSectionAdInDiv11 {
  margin: 0;
  padding: 30px 0 0 5px;
}

pre[class*="-code"] {
  font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, 'Inconsolata', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
  padding: 25px;
  margin: 25px 0;
  border-radius: 12px;
  overflow-x: auto;
  white-space: pre;
  word-wrap: normal;
  border-left: 4px solid;
  position: relative;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  min-height: 80px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

pre[class*="-code"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

pre[class*="-code"]::-webkit-scrollbar {
  height: 10px;
}

pre[class*="-code"]::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 5px;
}

pre[class*="-code"]::-webkit-scrollbar-thumb {
  background: rgba(124, 156, 199, 0.3);
  border-radius: 5px;
}

.java-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(247, 103, 7, 0.05));
  color: var(--text-primary);
  border-left-color: #f76707 !important;
}

.text-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(113, 128, 150, 0.05));
  color: var(--text-primary);
  border-left-color: #718096 !important;
}

.xml-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(229, 62, 62, 0.05));
  color: var(--text-primary);
  border-left-color: #e53e3e !important;
}

.sh-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(34, 197, 94, 0.05));
  color: var(--text-primary);
  border-left-color: #22c55e !important;
}

.sh-code::before {
  content: "$ ";
  color: #22c55e;
  font-weight: bold;
}

.sql-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(124, 156, 199, 0.05));
  color: var(--text-primary);
  border-left-color: #7c9cc7 !important;
}

.swift-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(245, 158, 11, 0.05));
  color: var(--text-primary);
  border-left-color: #f59e0b !important;
}

.yaml-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(16, 185, 129, 0.05));
  color: var(--text-primary);
  border-left-color: #10b981 !important;
}

.python-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(251, 191, 36, 0.05));
  color: var(--text-primary);
  border-left-color: #fbbf24 !important;
}

.dockerfile-code {
  background: linear-gradient(145deg, var(--card-bg), rgba(6, 182, 212, 0.05));
  color: var(--text-primary);
  border-left-color: #06b6d4 !important;
}

pre[class*="-code"]:before {
  position: absolute;
  top: 12px;
  right: 15px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.7;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  pointer-events: none;
}

.java-code:before { content: "Java"; color: #f76707; }
.text-code:before { content: "Text"; color: #718096; }
.xml-code:before { content: "XML"; color: #e53e3e; }
.sh-code:before { content: "Shell"; color: #22c55e; }
.sql-code:before { content: "SQL"; color: #7c9cc7; }
.swift-code:before { content: "Swift"; color: #f59e0b; }
.yaml-code:before { content: "YAML"; color: #10b981; }
.python-code:before { content: "Python"; color: #fbbf24; }
.dockerfile-code:before { content: "Docker"; color: #06b6d4; }

.menuMainDiv1 {
  width: 100%;
  margin: 0;
  padding: 0;
  background: var(--dark-bg);
  min-height: 100vh;
}

.menuMainDiv2 {
  width: 100%;
  margin: 0;
  padding: 0;
  display: inline-block;
  background: transparent;
}

::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: 6px;
  border: 2px solid var(--dark-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-gradient);
}

::selection {
  background: rgba(124, 156, 199, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(124, 156, 199, 0.3);
  color: var(--text-primary);
}

a:focus,
button:focus {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
  border-radius: 4px;
}

pre[class*="-code"]:focus {
  outline: 2px solid var(--accent-hover);
  outline-offset: 2px;
}

@supports (container-type: inline-size) {
  pre[class*="-code"] {
    container-type: inline-size;
  }
}

@media (max-width: 768px) {
  .tutorialSectionDiv1 {
    padding: 30px 25px;
    margin: 20px 0;
  }

  .tutorialSectionTitleSpan1 {
    font-size: 1.625rem;
  }

  .tutorialSubSectionTitleSpan1 {
    font-size: 1.25rem;
  }

  .tutorialSectionTitleSeparatorSpan1 {
    font-size: 1.625rem;
  }

  .ol_decimal_1 li,
  .ol_upper_latin_1 li,
  .ol_upper_roman_1 li {
    font-size: 0.9rem;
  }

  span.codeLinkSpan1 {
    font-size: 0.9rem;
  }

  .tutorialSectionAdInLeftDiv1 {
    float: none;
    margin-bottom: 20px;
  }

  pre[class*="-code"] {
    font-size: 12px;
    padding: 20px 15px;
    margin: 20px 0;
    border-radius: 10px;
  }

  pre[class*="-code"]:before {
    font-size: 10px;
    top: 8px;
    right: 10px;
  }

  table.csstable3 {
    font-size: 14px;
  }

  td.csstd1,
  th.cssth1 {
    padding: 10px;
  }

  .tutorialSectionNotesDiv1 {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .tutorialSectionDiv1 {
    padding: 25px 20px;
    border-radius: 15px;
  }

  .tutorialSectionTextDiv1 {
    font-size: 0.9rem;
    padding: 8px 0;
  }

  .tutorialSectionNotesDiv1 {
    margin: 20px 0;
    padding: 15px;
  }

  span.linkHintSpan1 {
    font-size: 0.8em;
    padding: 4px 8px;
  }

  .ol_decimal_1 li,
  .ol_upper_latin_1 li,
  .ol_upper_roman_1 li {
    padding: 0;
    margin: 10px 0;
  }
}

@media print {
  pre[class*="-code"] {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }

  pre[class*="-code"]:before {
    display: none;
  }

  .img1 {
    box-shadow: none;
  }

  .tutorialSectionAdInLeftDiv1,
  .tutorialSectionAdInDiv1,
  .tutorialSectionAdInDiv11 {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}

@media (prefers-contrast: high) {
  .img1 {
    border-width: 2px;
  }

  span.highlightSpan1 {
    background-color: yellow;
    color: black;
  }

  pre[class*="-code"] {
    border-left-width: 6px;
  }
}