@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600&display=swap");

/* ========================================
   The Canadian Executor's Guide - Styles
   ======================================== */

:root {
  /* Colors */
  --text: #353535;
  --background: #ffffff;
  --sidebar-bg: #f8fafb;
  --sidebar-border: #eff1f2;
  --hover-bg: #f0f0f0;
  --table-border: #eff1f2;
  --link-color: #327DA9;

  /* Typography */
  --body-font: Inter, system-ui, -apple-system, sans-serif;
  --heading-serif-font: "Instrument Serif", Georgia, serif;
  --heading-sans-font: Inter, sans-serif;
  --base-font-size: 16px;
  --base-line-height: 1.5;

  /* Layout */
  --sidebar-width: 288px;
  --content-max-width: 650px;
  --content-padding-desktop: 96px;
  --content-padding-mobile: 24px;

  /* Scrollbar */
  --scrollbar-width: 15px;
  --scrollbar-bg: #fafafa;
  --scrollbar-thumb: #c1c1c1;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-bg);
}

html::-webkit-scrollbar {
  width: var(--scrollbar-width);
}

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

html::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 8px;
}

/* ========================================
   Typography
   ======================================== */

h1 {
  font-family: var(--heading-serif-font);
  font-size: 2.6rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
}

h2 {
  font-family: var(--heading-sans-font);
  font-size: 1.3em;
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5em 0 0.5em;
  color: var(--text);
}

h3 {
  font-family: var(--heading-sans-font);
  font-size: 1em;
  font-weight: 600;
  line-height: normal;
  margin: 1.2em 0 0.3em;
  color: var(--text);
}

p {
  margin: 0.5em 0;
}

/* Bold-only paragraphs act as visual section breaks (document uses bold
   instead of heading styles). Class added by build script. */
article p.section-title {
  margin-top: 1.5em;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ========================================
   Layout: Desktop (Sidebar + Content)
   ======================================== */

body {
  font-family: var(--body-font);
  font-size: var(--base-font-size);
  font-weight: 400;
  line-height: var(--base-line-height);
  color: var(--text);
  background: var(--background);
  display: flex;
  flex-direction: row;
}

/* Sidebar Navigation */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 1.25rem 1.25rem;
  border-bottom: 1px solid var(--sidebar-border);
  background: var(--hover-bg);
  text-align: center;
}

.site-title {
  display: block;
  font-family: var(--heading-serif-font);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-title:hover {
  text-decoration: none;
  color: var(--text);
  opacity: 1;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

.sidebar-nav a {
  display: block;
  padding: 0.375rem 1rem;
  border-left: 3px solid transparent;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 400;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.sidebar-nav a:hover {
  background-color: var(--hover-bg);
  text-decoration: none;
}

.sidebar-nav a.active {
  border-left-color: #a9c29a;
  font-weight: 500;
}


.sidebar-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--sidebar-border);
}

.heritage-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  background: #a9c29a;
  border: none;
  border-radius: 3px;
  color: var(--text);
  font-family: "Times New Roman", Times, serif;
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.heritage-cta:hover {
  background-color: #97b586;
  text-decoration: none;
}

.heritage-cta-icon {
  height: 1.4em;
  width: auto;
}

/* Main Content Area */
main.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 64px var(--content-padding-desktop) var(--content-padding-desktop);
}

article {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

article a {
  color: #a9c29a;
}

article a:hover {
  color: #8fb280;
}

/* Mobile Header (Hidden on Desktop) */
.mobile-header {
  display: none;
}

.menu-toggle {
  display: none;
}

.sidebar-overlay {
  display: none;
}

/* ========================================
   Content Styles
   ======================================== */

/* Callout Boxes */
.callout,
.note,
.tip {
  background: var(--sidebar-bg);
  border-radius: 3px;
  padding: 1.7rem 1.7rem 1.7rem 1.4rem;
  margin: 0.125rem 0 0.25rem;
  border: none;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}

thead {
  background: var(--sidebar-bg);
}

th,
td {
  padding: 1rem;
  border: 1px solid var(--table-border);
  text-align: left;
}

th {
  font-weight: 500;
  color: var(--text);
}

tbody tr:hover {
  background: var(--sidebar-bg);
}

/* Blockquotes */
blockquote {
  font-family: var(--heading-serif-font);
  font-size: 1.8rem;
  font-weight: 400;
  font-style: normal;
  border-left: 3px solid var(--text);
  margin: 1.875rem 1rem;
  padding: 0.1rem 0.9rem;
  color: var(--text);
  line-height: 1.3;
}

/* Lists */
ul,
ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

li {
  margin: 0.5em 0;
  line-height: var(--base-line-height);
}

/* Dividers */
hr {
  border: none;
  border-top: 1px solid var(--sidebar-border);
  margin: 30px 0;
}

/* Code Blocks */
pre {
  background: var(--sidebar-bg);
  border: 1px solid var(--sidebar-border);
  border-radius: 3px;
  padding: 1.5em;
  overflow-x: auto;
  margin: 1.5em 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

code {
  font-family: "Courier New", monospace;
}

/* Inline Code */
p code,
li code {
  background: var(--sidebar-bg);
  padding: 0.25em 0.5em;
  border-radius: 3px;
  font-size: 0.9em;
}

/* Images — scoped to article content so layout images aren't affected */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

article img {
  margin: 1.5em 0;
}

/* Chapter Navigation (next chapter link) */
.chapter-nav {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--sidebar-border);
  text-align: right;
}

.next-chapter {
  font-family: var(--heading-serif-font);
  font-size: 1.25rem;
  color: var(--text);
  opacity: 0.45;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.next-chapter:hover {
  opacity: 1;
  text-decoration: none;
}

.next-chapter-arrow {
  font-family: Arial, sans-serif;
}

/* ========================================
   Mobile Layout (< 768px)
   ======================================== */

@media (max-width: 767px) {
  body {
    flex-direction: column;
  }

  /* Show mobile header */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--sidebar-border);
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 50;
  }

  .mobile-title {
    font-family: var(--heading-sans-font);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    text-align: center;
    flex: 1;
  }

  /* Hamburger Menu Button */
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
  }

  .menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: all 0.3s ease;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Sidebar on Mobile */
  .sidebar {
    position: fixed;
    left: 0;
    top: 60px;
    width: var(--sidebar-width);
    height: calc(100vh - 60px);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 99;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  /* Overlay */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 98;
  }

  .sidebar-overlay.active {
    display: block;
  }

  /* Content on Mobile */
  main.content {
    margin-left: 0;
    padding: var(--content-padding-mobile);
    max-width: none;
  }

  /* Adjust heading sizes for mobile */
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.4em;
  }

  h3 {
    font-size: 1.1em;
  }

  /* Adjust table on mobile */
  table {
    font-size: 0.85rem;
  }

  th,
  td {
    padding: 0.75rem 0.5rem;
  }

  /* Reduce blockquote margin on mobile */
  blockquote {
    margin: 20px 8px;
    padding-left: 1rem;
    font-size: 1rem;
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .mobile-header,
  .sidebar,
  .sidebar-overlay {
    display: none;
  }

  main.content {
    margin-left: 0;
    padding: 0;
  }

  a {
    text-decoration: underline;
  }
}