/* ==========================================================================
   LVS Help Panel - Sidebar Stylesheet
   SOL ALPHA Teal Color Scheme
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
  --color-primary: #1a6b7a;
  --color-primary-light: #238a9d;
  --color-primary-dark: #145561;
  --color-primary-bg: #e8f4f7;
  --color-primary-bg-hover: #d4ecf1;
  --color-accent: #f0a830;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-text-muted: #888;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8f9;
  --color-border: #dce3e6;
  --color-border-light: #eaeff1;
  --color-highlight: #fff3cd;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --font-size-base: 14px;
  --font-size-body: 13px;
  --font-size-small: 12px;
  --font-size-xs: 11px;
  --line-height: 1.5;
  --radius: 4px;
  --radius-lg: 6px;
  --panel-width: 350px;
  --header-height: 42px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-stack);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Help Panel ---------- */
.help-panel {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  font-size: var(--font-size-body);
}

/* When embedded in an iframe or narrow container, adapt */
@media (max-width: 500px) {
  .help-panel {
    max-width: 100%;
  }
}

/* ---------- Header ---------- */
.help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--color-primary);
  color: #fff;
  flex-shrink: 0;
}

@media (min-width: 600px) {
  .help-header {
    padding: 12px 24px;
  }
}

.help-header h1 {
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- Language Switch ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.lang-switch:hover {
  background: rgba(255, 255, 255, 0.28);
}

.all-modules-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
  min-height: 36px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.all-modules-link:hover {
  background: rgba(255, 255, 255, 0.28);
}

.all-modules-icon {
  font-size: 16px;
  line-height: 1;
}

@media (max-width: 440px) {
  .help-header {
    gap: 6px;
    padding: 8px;
  }

  .all-modules-link {
    width: 36px;
    padding: 0;
  }

  .all-modules-label {
    display: none;
  }
}

/* ---------- Search ---------- */
.search-wrapper {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  z-index: 1;
}

.search-input {
  display: block;
  width: 100%;
  padding: 8px 12px 8px 34px;
  font-family: var(--font-stack);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid transparent;
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(26, 107, 122, 0.2);
}

/* Remove the old pseudo-element icon — we use inline SVG now */
.search-wrapper::before {
  display: none;
  content: "";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-small);
  opacity: 0.45;
  pointer-events: none;
}

/* ---------- Search Results Dropdown ---------- */
.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 6px 16px var(--color-shadow);
  z-index: 100;
  display: none;
}

.search-results.visible {
  display: block;
  animation: slideDown var(--transition-normal) ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-result-item {
  display: block;
  padding: 8px 12px;
  font-size: var(--font-size-body);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.search-result-item:hover,
.search-result-item.active {
  background: var(--color-primary-bg);
}

.search-result-item .result-title {
  font-weight: 600;
  font-size: var(--font-size-body);
  margin-bottom: 2px;
}

.search-result-item .result-excerpt {
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.search-result-item mark {
  background: var(--color-highlight);
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
}

.search-result-item .result-module {
  margin-bottom: 1px;
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.search-result-status {
  padding: 10px 12px;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.search-catalog-link {
  color: var(--color-primary);
  font-weight: 600;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
  overflow: hidden;
  white-space: nowrap;
}

@media (min-width: 600px) {
  .breadcrumb {
    padding: 10px 24px;
  }
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.breadcrumb span.separator {
  color: var(--color-border);
  margin: 0 2px;
}

/* ---------- Navigation ---------- */
.help-nav {
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border-light);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-stack);
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--color-primary-bg);
}

.nav-toggle::after {
  content: "\25B6";
  font-size: var(--font-size-xs);
  transition: transform var(--transition-normal);
}

.nav-toggle.expanded::after {
  transform: rotate(90deg);
}

.nav-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-body.open {
  max-height: 500px;
  overflow-y: auto;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}

.nav-list .nav-list {
  padding-left: 14px;
}

.global-module-nav {
  margin-bottom: 4px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-border-light);
}

.global-module-link {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-link {
  display: block;
  padding: 4px 12px;
  font-size: var(--font-size-body);
  color: var(--color-text-light);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast),
    background var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.nav-link-active {
  color: var(--color-primary);
  font-weight: 600;
  border-left-color: var(--color-primary);
  background: var(--color-primary-bg);
}

/* ---------- Table of Contents ---------- */
.toc {
  padding: 8px 12px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border-light);
}

.toc-title {
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin: 0 0 4px 0;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-list li {
  margin: 0;
}

.toc-list a {
  display: block;
  padding: 3px 0 3px 10px;
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  text-decoration: none;
  border-left: 2px solid var(--color-border-light);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

.toc-list .toc-h3 {
  padding-left: 22px;
}

.toc-list .toc-h4 {
  padding-left: 34px;
}

/* ---------- Help Content ---------- */
.help-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 60px;
  font-size: var(--font-size-base);
  line-height: 1.7;
}

@media (min-width: 600px) {
  .help-content {
    padding: 28px 36px 60px;
  }
}

/* Headings */
.help-content h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}

.help-content h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 10px 0;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--color-border-light);
}

.help-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 16px 0 6px 0;
}

.help-content h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-light);
  margin: 12px 0 4px 0;
}

.help-content h5,
.help-content h6 {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-text-muted);
  margin: 10px 0 4px 0;
}

/* Paragraphs */
.help-content p {
  margin: 0 0 10px 0;
}

/* Links */
.help-content a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.help-content a:hover {
  border-bottom-color: var(--color-primary);
}

/* Lists */
.help-content ul,
.help-content ol {
  margin: 0 0 10px 0;
  padding-left: 20px;
}

.help-content li {
  margin-bottom: 3px;
}

.help-content li > ul,
.help-content li > ol {
  margin-top: 3px;
  margin-bottom: 0;
}

/* Tables */
.help-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 12px 0;
  font-size: var(--font-size-small);
}

.help-content .table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 12px 0;
}

.help-content .table-wrapper table {
  margin-bottom: 0;
}

.help-content th,
.help-content td {
  padding: 5px 8px;
  text-align: left;
  border: 1px solid var(--color-border);
}

.help-content th {
  background: var(--color-primary-bg);
  font-weight: 600;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.help-content tr:nth-child(even) td {
  background: var(--color-bg-alt);
}

/* Images */
.help-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin: 6px 0;
}

/* Code */
.help-content code {
  font-family: var(--font-mono);
  font-size: var(--font-size-small);
  background: var(--color-bg-alt);
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid var(--color-border-light);
}

.help-content pre {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin: 0 0 12px 0;
  overflow-x: auto;
  font-size: var(--font-size-small);
  line-height: 1.5;
}

.help-content pre code {
  background: none;
  border: none;
  padding: 0;
}

/* Blockquote */
.help-content blockquote {
  margin: 0 0 10px 0;
  padding: 6px 12px;
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-bg);
  color: var(--color-text-light);
  font-size: var(--font-size-body);
}

.help-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Horizontal Rule */
.help-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 16px 0;
}

/* ---------- Sections ---------- */
.help-section {
  margin-bottom: 12px;
}

.section-content {
  padding: 0;
}

/* ---------- Anchor Links ---------- */
.anchor {
  display: inline-block;
  margin-left: 6px;
  color: var(--color-border);
  text-decoration: none;
  font-weight: 400;
  opacity: 0;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor,
h4:hover .anchor {
  opacity: 1;
}

.anchor:hover {
  color: var(--color-primary);
}

/* ---------- Search Highlight ---------- */
.search-highlight {
  background: var(--color-highlight);
  padding: 1px 2px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(240, 168, 48, 0.3);
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal),
    transform var(--transition-normal), background var(--transition-fast);
  z-index: 50;
}

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

.scroll-top:hover {
  background: var(--color-primary-light);
}

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Scrollbar ---------- */
.help-panel ::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.help-panel ::-webkit-scrollbar-track {
  background: transparent;
}

.help-panel ::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.help-panel ::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ---------- Print Styles ---------- */
@media print {
  .help-panel {
    width: 100%;
    height: auto;
    border: none;
    overflow: visible;
  }

  .help-header {
    background: none;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-text);
  }

  .search-wrapper,
  .help-nav,
  .lang-switch,
  .all-modules-link,
  .scroll-top,
  .breadcrumb,
  .toc {
    display: none !important;
  }

  .help-content {
    overflow: visible;
    padding: 0;
    font-size: 12pt;
  }

  .help-content a {
    color: var(--color-text);
    border-bottom: none;
  }

  .help-content a[href]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: var(--color-text-muted);
  }

  .help-content img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  .help-content table {
    page-break-inside: avoid;
  }

  .help-content h1,
  .help-content h2,
  .help-content h3 {
    page-break-after: avoid;
  }
}