/* ===== Interactive Elements Styles ===== */

/* ===== Enhanced Terminal Code Blocks ===== */
.code-block-large .code-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: linear-gradient(180deg, #2d2d3a 0%, #1a1a2e 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.code-block-large .code-header .terminal-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}

.code-block-large .code-header .terminal-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.code-block-large .code-header .terminal-dots span:nth-child(1) {
  background: #ff5f57;
  box-shadow: 0 0 8px rgba(255, 95, 87, 0.4);
}
.code-block-large .code-header .terminal-dots span:nth-child(2) {
  background: #febc2e;
  box-shadow: 0 0 8px rgba(254, 188, 46, 0.4);
}
.code-block-large .code-header .terminal-dots span:nth-child(3) {
  background: #28c840;
  box-shadow: 0 0 8px rgba(40, 200, 64, 0.4);
}

.code-block-large:hover .code-header .terminal-dots span {
  transform: scale(1.1);
}

.code-block-large .code-header .code-title {
  flex: 1;
  text-align: center;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.code-block-large .code-header .copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.3s ease;
}

.code-block-large .code-header .copy-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: scale(1.05);
}

.code-block-large .code-header .copy-btn.copied {
  background: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

/* Terminal body styling */
.code-block-large pre {
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
  margin: 0;
  padding: 20px;
  position: relative;
}

.code-block-large pre::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.3),
    transparent
  );
}

.code-block-large code {
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  font-size: 0.9rem;
  line-height: 1.8;
  color: #e4e4e7;
}

/* Syntax highlighting */
.code-block-large .comment {
  color: #6a737d;
  font-style: italic;
}
.code-block-large .keyword {
  color: #c792ea;
}
.code-block-large .string {
  color: #c3e88d;
}
.code-block-large .function {
  color: #82aaff;
}
.code-block-large .number {
  color: #f78c6c;
}
.code-block-large .operator {
  color: #89ddff;
}
.code-block-large .variable {
  color: #f07178;
}
.code-block-large .class-name {
  color: #ffcb6b;
}
.code-block-large .key {
  color: #a6e22e;
}
.code-block-large .bool {
  color: #ff5370;
}
.code-block-large .item {
  color: #e4e4e7;
}

/* Command prompt styling */
.code-block-large .prompt {
  color: #10b981;
  user-select: none;
}

/* ===== Code Language Tabs ===== */
.feature-code {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--dark-lighter);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.code-lang-tabs {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  background: linear-gradient(180deg, #2d2d3a 0%, #1a1a2e 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.code-lang-tab {
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.code-lang-tab:hover {
  color: var(--white);
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.code-lang-tab.active {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.code-lang-content-wrapper {
  padding: 0;
}

.code-lang-content-wrapper pre {
  margin: 0;
  padding: 20px;
  background: transparent;
  border-radius: 0;
}

.code-lang-content-wrapper code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #e4e4e7;
  white-space: pre;
  display: block;
}

.code-lang-content {
  display: none;
}

.code-lang-content.active {
  display: block;
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ===== Reading Progress Bar ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 10001;
  transition: width 0.1s ease;
}

/* ===== Scroll to Top Button ===== */
.scroll-top-btn {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

/* ===== Documentation Search ===== */
.docs-search {
  margin-bottom: 32px;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--gray);
}

.search-input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  background: var(--dark-light);
  border: 1px solid var(--dark-lighter);
  border-radius: 12px;
  color: var(--white);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.search-shortcut {
  position: absolute;
  right: 12px;
  padding: 4px 8px;
  background: var(--dark);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--gray);
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--dark-light);
  border: 1px solid var(--dark-lighter);
  border-radius: 12px;
  margin-top: 8px;
  max-height: 300px;
  overflow-y: auto;
  display: none;
  z-index: 100;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.search-result-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--dark-lighter);
  transition: background 0.2s ease;
}

.search-result-item:hover {
  background: rgba(99, 102, 241, 0.1);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item i {
  color: var(--primary);
  margin-top: 4px;
}

.search-result-item strong {
  display: block;
  color: var(--white);
  margin-bottom: 4px;
}

.search-result-item p {
  color: var(--gray);
  font-size: 0.85rem;
  margin: 0;
}

.search-result-item mark {
  background: rgba(99, 102, 241, 0.3);
  color: var(--primary-light);
  padding: 0 2px;
  border-radius: 2px;
}

.no-results {
  padding: 24px;
  text-align: center;
  color: var(--gray);
}

/* ===== Collapsible Sections ===== */
.collapsible-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding-right: 16px;
}

.section-toggle {
  background: none;
  border: none;
  color: var(--gray);
  cursor: pointer;
  padding: 4px;
  transition: transform 0.3s ease;
}

.section-toggle.rotated {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.collapsible-content.expanded {
  max-height: 2000px;
}

/* ===== Table of Contents Widget ===== */
.toc-widget {
  background: var(--dark-light);
  border-radius: 12px;
  padding: 20px;
  margin-top: 32px;
}

.toc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.toc-link {
  display: block;
  padding: 8px 0;
  color: var(--gray);
  font-size: 0.85rem;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: all 0.2s ease;
}

.toc-link:hover,
.toc-link.active {
  color: var(--primary-light);
  border-left-color: var(--primary);
}

/* ===== Code Block Enhancements ===== */
.code-lang-label {
  position: absolute;
  top: 12px;
  right: 60px;
  padding: 4px 12px;
  background: var(--primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.code-block-large.with-line-numbers {
  padding-left: 60px;
}

.code-block-large.with-line-numbers pre {
  padding-left: 0;
}

.line-numbers {
  position: absolute;
  left: 0;
  top: 48px; /* Below the header */
  bottom: 0;
  width: 50px;
  padding: 20px 0;
  background: rgba(0, 0, 0, 0.3);
  border-right: 1px solid rgba(99, 102, 241, 0.2);
  text-align: right;
  user-select: none;
  z-index: 1;
}

.line-numbers span {
  display: block;
  padding-right: 12px;
  color: rgba(99, 102, 241, 0.5);
  font-size: 0.8rem;
  line-height: 1.6;
}

.code-block-large.expandable[data-expanded="false"] {
  max-height: 400px;
  overflow: hidden;
}

.code-expand-btn {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, var(--dark-light));
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ===== Reading Info ===== */
.reading-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  color: var(--gray);
  font-size: 0.9rem;
}

.reading-info .separator {
  opacity: 0.5;
}

/* ===== Article Feedback ===== */
.article-feedback {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--dark-light);
  border-radius: 12px;
  margin-top: 32px;
}

.article-feedback p {
  margin: 0;
  color: var(--gray);
}

.feedback-buttons {
  display: flex;
  gap: 12px;
}

.feedback-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--dark-lighter);
  background: transparent;
  color: var(--gray-light);
  cursor: pointer;
  transition: all 0.3s ease;
}

.feedback-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.feedback-btn.positive:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: rgba(16, 185, 129, 0.1);
}

.feedback-btn.negative:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.feedback-thanks {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--secondary);
}

/* ===== Print Button ===== */
.print-btn {
  width: 100%;
  padding: 12px;
  margin-top: 24px;
  background: var(--dark-light);
  border: 1px solid var(--dark-lighter);
  border-radius: 8px;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.3s ease;
}

.print-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===== Highlight Section Animation ===== */
.highlight-section {
  animation: highlight-pulse 2s ease;
}

@keyframes highlight-pulse {
  0%,
  100% {
    box-shadow: none;
  }
  50% {
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.3);
  }
}

/* ===== Code Toolbar ===== */
.code-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--dark-lighter);
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.code-filename {
  font-size: 0.85rem;
  color: var(--gray);
}

.toolbar-right {
  display: flex;
  gap: 8px;
}

.toolbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--dark);
  border: 1px solid var(--dark-lighter);
  border-radius: 6px;
  color: var(--gray-light);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.toolbar-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.toolbar-btn.run-code {
  background: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

.toolbar-btn.run-code:hover {
  background: #059669;
}

/* ===== Code Actions (Run/Copy buttons) ===== */
.code-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.3s ease;
}

.action-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: scale(1.05);
}

.action-btn.run-code {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--secondary);
}

.action-btn.run-code:hover {
  background: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

/* ===== Code Output - Terminal Style ===== */
.code-output {
  border-top: 1px solid var(--dark-lighter);
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
  border-radius: 0 0 12px 12px;
  overflow: hidden;
  margin-top: -1px;
}

.code-output.terminal-output {
  margin-top: 12px;
  border-radius: 12px;
  border: 1px solid var(--dark-lighter);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.output-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: linear-gradient(180deg, #2d2d3a 0%, #1a1a2e 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--gray);
}

.output-header .terminal-dots {
  display: flex;
  gap: 8px;
}

.output-header .terminal-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.output-header .terminal-dots span:nth-child(1) {
  background: #ff5f57;
  box-shadow: 0 0 8px rgba(255, 95, 87, 0.4);
}
.output-header .terminal-dots span:nth-child(2) {
  background: #febc2e;
  box-shadow: 0 0 8px rgba(254, 188, 46, 0.4);
}
.output-header .terminal-dots span:nth-child(3) {
  background: #28c840;
  box-shadow: 0 0 8px rgba(40, 200, 64, 0.4);
}

.output-header > span {
  flex: 1;
}

.clear-output {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: var(--gray);
  cursor: pointer;
  padding: 4px 8px;
  transition: all 0.3s ease;
}

.clear-output:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.output-content {
  padding: 16px 20px;
  max-height: 250px;
  overflow-y: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.output-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(16, 185, 129, 0.3),
    transparent
  );
}

.output-line {
  padding: 2px 0;
  color: #e4e4e7;
  animation: fadeInLine 0.3s ease;
}

@keyframes fadeInLine {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.output-line.success {
  color: #10b981;
}
.output-line.info {
  color: #6366f1;
}
.output-line.error {
  color: #ef4444;
}
.output-line.warning {
  color: #f59e0b;
}

.output-content .loading {
  color: var(--primary);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ===== Tab Indicator ===== */
.tab-indicator {
  position: absolute;
  bottom: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.example-tabs {
  position: relative;
}

/* ===== Example Filters ===== */
.example-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 0.9rem;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--dark-lighter);
  border-radius: 50px;
  background: transparent;
  color: var(--gray-light);
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ===== Examples Progress ===== */
.examples-progress {
  background: var(--dark-light);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.examples-progress .progress-bar {
  flex: 1;
  height: 8px;
  background: var(--dark);
  border-radius: 4px;
  overflow: hidden;
}

.examples-progress .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  transition: width 0.5s ease;
  width: 0;
}

.examples-progress .progress-text {
  font-size: 0.85rem;
  color: var(--gray);
  white-space: nowrap;
}

.examples-progress.completed .progress-text {
  color: var(--secondary);
}

/* ===== Copy All Button ===== */
.copy-all-btn {
  padding: 10px 20px;
  background: var(--dark-light);
  border: 1px solid var(--dark-lighter);
  border-radius: 8px;
  color: var(--gray-light);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.copy-all-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ===== Syntax Highlighting ===== */
.keyword {
  color: #c792ea;
}
.string {
  color: #c3e88d;
}
.comment {
  color: #546e7a;
}
.function {
  color: #82aaff;
}

/* ===== OS Detection Banner ===== */
.os-detected-banner {
  background: linear-gradient(
    90deg,
    rgba(99, 102, 241, 0.2),
    rgba(16, 185, 129, 0.2)
  );
  border-radius: 12px;
  padding: 16px 24px;
  margin-bottom: 32px;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.banner-content > i {
  font-size: 1.5rem;
  color: var(--primary);
}

.show-all-btn {
  margin-left: auto;
  padding: 8px 16px;
  background: var(--dark);
  border: 1px solid var(--dark-lighter);
  border-radius: 8px;
  color: var(--gray-light);
  cursor: pointer;
  transition: all 0.3s ease;
}

.show-all-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ===== Recommended Badge ===== */
.download-card.recommended {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

.recommended-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 12px;
}

/* ===== Download Progress ===== */
.download-btn.downloading {
  pointer-events: none;
}

.download-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.progress-bar-inner {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  overflow: hidden;
}

.download-progress .progress-fill {
  height: 100%;
  background: white;
  border-radius: 3px;
  transition: width 0.1s ease;
}

.download-btn.downloaded {
  background: var(--secondary) !important;
}

/* ===== Version Selector ===== */
.version-selector {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.version-selector label {
  color: var(--gray);
  font-size: 0.9rem;
}

.custom-select {
  position: relative;
  min-width: 200px;
}

.select-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--dark-light);
  border: 1px solid var(--dark-lighter);
  border-radius: 8px;
  color: var(--white);
  cursor: pointer;
  transition: all 0.3s ease;
}

.select-trigger.open {
  border-color: var(--primary);
}

.select-trigger i {
  transition: transform 0.3s ease;
}

.select-trigger.open i {
  transform: rotate(180deg);
}

.select-options {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--dark-light);
  border: 1px solid var(--dark-lighter);
  border-radius: 8px;
  margin-top: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 100;
}

.select-options.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.select-options .option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.select-options .option .version-number {
  font-weight: 600;
  color: var(--white);
  min-width: 60px;
}

.select-options .option .version-tag {
  padding: 2px 8px;
  background: var(--primary);
  color: white;
  font-size: 0.7rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.select-options .option .version-tag.latest {
  background: var(--secondary);
}

.select-options .option .version-date {
  margin-left: auto;
  color: var(--gray);
  font-size: 0.85rem;
}

.select-options .option:hover {
  background: rgba(99, 102, 241, 0.1);
}

.select-options .option.active {
  background: rgba(99, 102, 241, 0.2);
}

/* ===== Installation Steps ===== */
.install-step {
  position: relative;
  padding-left: 60px;
  cursor: pointer;
}

.install-step .step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background: var(--dark-light);
  border: 2px solid var(--dark-lighter);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--gray);
  transition: all 0.3s ease;
}

.install-step:hover .step-number {
  border-color: var(--primary);
  color: var(--primary);
}

.install-step.completed .step-number {
  background: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

.step-checkmark {
  position: absolute;
  left: 12px;
  top: 8px;
  width: 24px;
  height: 24px;
  background: var(--secondary);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.7rem;
}

.install-step.completed .step-checkmark {
  display: flex;
}

.install-step.completed .step-number {
  visibility: hidden;
}

/* ===== Requirement Status ===== */
.req-status {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 1.25rem;
}

.req-status.passed {
  color: var(--secondary);
}
.req-status.warning {
  color: #f59e0b;
}
.req-status.unknown {
  color: var(--gray);
}

.requirement-card {
  position: relative;
}

.requirement-card.status-passed {
  border-color: rgba(16, 185, 129, 0.3);
}

.requirement-card.status-warning {
  border-color: rgba(245, 158, 11, 0.3);
}

/* ===== Installation Comparison ===== */
.install-comparison {
  background: var(--dark-light);
  border-radius: 16px;
  padding: 32px;
  margin-top: 48px;
}

.install-comparison h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  margin-bottom: 24px;
}

.comparison-grid {
  display: grid;
  gap: 2px;
  background: var(--dark-lighter);
  border-radius: 8px;
  overflow: hidden;
}

.comparison-header,
.comparison-row {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
}

.comparison-header > div,
.comparison-row > div {
  padding: 14px 16px;
  background: var(--dark);
}

.comparison-header > div {
  font-weight: 600;
  color: var(--white);
  background: var(--dark-light);
}

.comparison-header .highlight,
.comparison-row .highlight {
  background: rgba(99, 102, 241, 0.1);
}

.rating {
  display: flex;
  gap: 4px;
}

.rating i {
  color: var(--primary);
}
.rating.high i {
  color: var(--secondary);
}
.rating.low i {
  color: var(--gray);
}
.rating.medium i {
  color: #f59e0b;
}

.easy {
  color: var(--secondary);
  font-weight: 500;
}
.medium {
  color: #f59e0b;
  font-weight: 500;
}
.hard {
  color: #ef4444;
  font-weight: 500;
}

/* ===== Download Stats ===== */
.download-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.download-stats .stat-item {
  text-align: center;
  padding: 24px;
  background: var(--dark-light);
  border-radius: 12px;
}

.download-stats .stat-item i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.download-stats .stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
}

.download-stats .stat-label {
  font-size: 0.85rem;
  color: var(--gray);
}

/* ===== Feature Comparison Table ===== */
.feature-comparison {
  padding: 80px 0;
  background: var(--dark-light);
}

.feature-comparison h2 {
  text-align: center;
  color: var(--white);
  margin-bottom: 48px;
}

.comparison-table-wrapper {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--dark-lighter);
}

.comparison-table th {
  background: var(--dark);
  color: var(--white);
  font-weight: 600;
}

.comparison-table th.highlight {
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-light);
}

.comparison-table td {
  background: var(--dark);
  color: var(--gray-light);
}

.comparison-table td.highlight {
  background: rgba(99, 102, 241, 0.1);
}

.comparison-table .yes {
  color: var(--secondary);
}
.comparison-table .no {
  color: #ef4444;
}

/* ===== Features Stats ===== */
.features-stats {
  padding: 60px 0;
  background: var(--dark-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-card {
  text-align: center;
  padding: 32px;
  background: var(--dark);
  border-radius: 16px;
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
}

.stat-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.stat-card .stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
}

.stat-card .stat-suffix {
  font-size: 1.5rem;
  color: var(--primary-light);
}

.stat-card .stat-label {
  display: block;
  margin-top: 8px;
  color: var(--gray);
  font-size: 0.9rem;
}

/* ===== Feature Tour Button ===== */
.feature-tour-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: transparent;
  border: 2px solid var(--primary);
  border-radius: 50px;
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  margin-top: 24px;
  transition: all 0.3s ease;
}

.feature-tour-btn:hover {
  background: var(--primary);
  color: white;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .download-stats,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .comparison-header,
  .comparison-row {
    grid-template-columns: 1fr 1fr;
  }

  .download-stats,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .banner-content {
    flex-direction: column;
    text-align: center;
  }

  .show-all-btn {
    margin-left: 0;
  }

  .version-selector {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-feedback {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Reveal Animations ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}