/* ==========================================================================
   DevOps Tools Hub Stylesheet
   ========================================================================== */

:root {
  --tool-accent: #0f9f8f; /* Overwritten dynamically by JS */
  --tool-accent-rgb: 15, 159, 143; /* Overwritten dynamically by JS */
}

/* Page Layout */
.tools-layout {
  display: flex;
  min-height: calc(100vh - 7rem);
  margin-top: 7rem;
  background: var(--site-bg);
  position: relative;
}

/* Sidebar Navigation */
.tools-sidebar {
  width: 28rem;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 3rem 2rem;
  flex-shrink: 0;
  position: sticky;
  top: 7rem;
  height: calc(100vh - 7rem);
  overflow-y: auto;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}

.sidebar-header {
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.sidebar-header h3 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ink);
}

.sidebar-header p {
  font-size: 1.25rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 1.6rem;
  border-radius: 0.8rem;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.sidebar-link i {
  font-size: 1.7rem;
  width: 2.2rem;
  text-align: center;
  color: var(--muted);
  transition: color 0.25s ease;
}

.sidebar-link:hover {
  background: var(--chip-bg);
  border-color: var(--line);
  color: var(--tool-accent);
}

.sidebar-link:hover i {
  color: var(--tool-accent);
}

.sidebar-link.active {
  background: rgba(var(--tool-accent-rgb), 0.08);
  border-color: rgba(var(--tool-accent-rgb), 0.25);
  color: var(--tool-accent);
  border-left: 4px solid var(--tool-accent);
  padding-left: 1.2rem; /* Balance the border shift */
}

.sidebar-link.active i {
  color: var(--tool-accent);
}

/* Main Content Panel */
.tools-content-panel {
  flex-grow: 1;
  padding: 4rem 5%;
  overflow-y: auto;
  max-width: 110rem;
  margin: 0 auto;
  width: 100%;
}

/* Mobile Sidebar Toggle Button */
.mobile-sidebar-toggle {
  display: none;
  align-items: center;
  gap: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 800;
  padding: 1.2rem 1.8rem;
  cursor: pointer;
  margin-bottom: 2.4rem;
  width: 100%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.mobile-sidebar-toggle i {
  color: var(--tool-accent);
}

/* Tool Header details */
.tool-detail-header {
  margin-bottom: 3.6rem;
}

.tool-title-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1.6rem;
}

.tool-icon-wrapper {
  width: 6.8rem;
  height: 6.8rem;
  border-radius: 1.6rem;
  background: rgba(var(--tool-accent-rgb), 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(var(--tool-accent-rgb), 0.2);
}

.tool-icon-wrapper i {
  font-size: 3.4rem;
  color: var(--tool-accent);
}

.tool-heading-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.tool-category-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--tool-accent);
  letter-spacing: 0.05em;
}

#tool-name {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.1;
}

.tool-description {
  font-size: 1.65rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 86rem;
}

/* Tab Bar Navigation */
.tools-tabs-nav {
  display: flex;
  gap: 1rem;
  border-bottom: 2px solid var(--line);
  margin-bottom: 3.2rem;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}

.tools-tabs-nav::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.tab-btn {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 1.2rem 2rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.tab-btn i {
  font-size: 1.4rem;
}

.tab-btn:hover {
  color: var(--ink);
  border-bottom-color: var(--line);
}

.tab-btn.active {
  color: var(--tool-accent);
  border-bottom-color: var(--tool-accent);
}

/* Tab Panel Logic */
.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Notes & Concepts Tab Styling */
.notes-content {
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
  max-width: 86rem;
}

.notes-content h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.notes-content p {
  font-size: 1.55rem;
  line-height: 1.8;
  color: var(--muted);
}

.note-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--tool-accent);
  border-radius: 0 0.8rem 0.8rem 0;
  padding: 2.4rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.note-card h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.note-card h4 i {
  color: var(--tool-accent);
}

.note-card ul {
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.note-card li {
  font-size: 1.5rem;
  line-height: 1.7;
  color: var(--muted);
}

.note-card strong {
  color: var(--ink);
}

/* Commands Tab Styling */
.commands-header-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.8rem;
}

.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 42rem;
}

.search-icon {
  position: absolute;
  left: 1.6rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 1.5rem;
}

#command-search {
  width: 100%;
  padding: 1.2rem 1.6rem 1.2rem 4.4rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  font-size: 1.45rem;
  color: var(--ink);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.01);
  transition: all 0.2s ease;
}

#command-search:focus {
  border-color: var(--tool-accent);
  box-shadow: 0 0 0 3px rgba(var(--tool-accent-rgb), 0.12);
  outline: none;
}

.filter-pills {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.filter-pill {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.8rem 1.6rem;
  font-size: 1.3rem;
  font-weight: 700;
  border-radius: 10rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.filter-pill:hover {
  color: var(--ink);
  border-color: var(--muted);
}

.filter-pill.active {
  background: var(--tool-accent);
  border-color: var(--tool-accent);
  color: #fff;
}

.commands-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.command-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  transition: all 0.25s ease;
}

.command-card:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--tool-accent-rgb), 0.4);
  box-shadow: 0 8px 30px rgba(var(--tool-accent-rgb), 0.05);
}

.command-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.command-group-badge {
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--chip-bg);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.4rem 1rem;
  border-radius: 0.4rem;
}

.copy-cmd-btn, .copy-code-btn {
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border-radius: 0.6rem;
  transition: all 0.2s ease;
}

.copy-cmd-btn:hover {
  color: var(--tool-accent);
  background: rgba(var(--tool-accent-rgb), 0.08);
}

.copy-cmd-btn.copied, .copy-code-btn.copied {
  color: var(--green) !important;
  background: rgba(33, 166, 122, 0.1) !important;
  font-weight: 700;
}

.command-code-wrapper {
  background: #141d26;
  padding: 1.4rem 1.6rem;
  border-radius: 0.6rem;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.command-code-wrapper code {
  font-family: 'Fira Code', Consolas, Monaco, monospace;
  font-size: 1.35rem;
  color: #a7d3ff;
  white-space: pre-wrap;
  word-break: break-all;
}

.command-description {
  font-size: 1.45rem;
  line-height: 1.6;
  color: var(--muted);
}

/* Empty Search State */
.empty-search {
  grid-column: 1 / -1;
  text-align: center;
  padding: 6rem 2rem;
  color: var(--muted);
}

.empty-search i {
  font-size: 4rem;
  color: var(--line);
  margin-bottom: 1.6rem;
}

.empty-search p {
  font-size: 1.6rem;
  font-weight: 600;
}

/* Setup Guide Tab Styling */
.guide-intro {
  margin-bottom: 2.8rem;
  max-width: 86rem;
}

.guide-intro h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 1rem;
}

.guide-intro p {
  font-size: 1.55rem;
  line-height: 1.75;
  color: var(--muted);
}

/* Mock Code IDE Window */
.code-editor-mock {
  border-radius: 0.8rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  max-width: 86rem;
  background: #0f172a;
}

.editor-header {
  background: #1e293b;
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.editor-header .file-name {
  color: #94a3b8;
  font-size: 1.3rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.editor-header .file-name i {
  color: var(--tool-accent);
}

.copy-code-btn {
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.05);
  font-size: 1.25rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.copy-code-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.code-editor-mock pre {
  margin: 0;
  padding: 2.4rem;
  overflow-x: auto;
}

.code-editor-mock code {
  font-family: 'Fira Code', Consolas, Monaco, monospace;
  font-size: 1.4rem;
  line-height: 1.7;
  color: #e2e8f0;
  display: block;
}

/* Scroll Customization for Code Snippets */
.code-editor-mock pre::-webkit-scrollbar,
.command-code-wrapper::-webkit-scrollbar {
  height: 0.8rem;
}

.code-editor-mock pre::-webkit-scrollbar-track,
.command-code-wrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
}

.code-editor-mock pre::-webkit-scrollbar-thumb,
.command-code-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10rem;
}

.code-editor-mock pre::-webkit-scrollbar-thumb:hover,
.command-code-wrapper::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   Media Queries & Responsiveness
   ========================================================================== */

@media (max-width: 992px) {
  .tools-layout {
    flex-direction: column;
  }

  /* Sidebar Drawer Drawer Styles for Mobile */
  .tools-sidebar {
    position: fixed;
    top: 7rem;
    left: 0;
    height: calc(100vh - 7rem);
    transform: translateX(-100%);
    box-shadow: 1rem 0 3rem rgba(0, 0, 0, 0.15);
    z-index: 1000;
  }

  .tools-sidebar.open {
    transform: translateX(0);
  }

  .tools-content-panel {
    padding: 3rem 6%;
  }

  .mobile-sidebar-toggle {
    display: flex;
  }

  .commands-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .tool-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.4rem;
  }

  .tool-icon-wrapper {
    width: 5.6rem;
    height: 5.6rem;
    border-radius: 1.2rem;
  }

  .tool-icon-wrapper i {
    font-size: 2.8rem;
  }

  #tool-name {
    font-size: 2.6rem;
  }

  .commands-header-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1.6rem;
  }

  .search-wrapper {
    max-width: none;
  }

  .filter-pills {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.8rem;
    scrollbar-width: none;
  }
  
  .filter-pills::-webkit-scrollbar {
    display: none;
  }

  .filter-pill {
    white-space: nowrap;
  }
}

/* Dark Theme Overrides for code syntax coloring */
body.dark-theme .code-editor-mock {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.05);
}

body.dark-theme .command-card {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}