/* ===== PURPLE / GOLD THEME (matching ee2301 style) ===== */

:root {
  --md-primary-fg-color: #5A3EED;
  --md-primary-fg-color--light: #7A5CFF;
  --md-primary-fg-color--dark: #4527A0;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #F6F1FF;
  --md-accent-fg-color: #D4A017;
  --md-accent-fg-color--transparent: rgba(212, 160, 23, 0.1);
}

/* --- Page headings --- */
.md-typeset h1 {
  color: #5A3EED;
  font-weight: 700;
  border-bottom: 3px solid #D4A017;
  padding-bottom: 0.3rem;
}

.md-typeset h2 {
  color: #5A3EED;
  font-weight: 600;
}

.md-typeset h3 {
  color: #7A5CFF;
  font-weight: 600;
}

.md-typeset h4 {
  color: #7A5CFF;
}

/* --- Top header bar --- */
.md-header {
  background-color: #5A3EED;
}

/* --- Sidebar nav links --- */
.md-nav__link--active {
  color: #5A3EED !important;
  font-weight: 600;
}

.md-nav__link:hover {
  color: #D4A017 !important;
}

/* --- Content links --- */
.md-typeset a {
  color: #5A3EED;
}

.md-typeset a:hover {
  color: #D4A017;
}

/* ===== BODY TEXT STYLING ===== */
.md-typeset {
  color: #222222;
  line-height: 1.6;
}

.md-typeset p {
  max-width: 72ch;
}

.md-typeset strong {
  color: #222222;
}

/* ===== TABLE STYLING ===== */
.md-typeset table:not([class]) {
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid #C9B9FF;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1.2rem;
  margin-bottom: 1.2rem;
}

.md-typeset table:not([class]) th {
  background: #6A5BFF !important;
  color: #ffffff !important;
  font-weight: 700;
  border-color: #C9B9FF;
  padding: 0.6rem 1rem;
  text-align: center;
}

.md-typeset table:not([class]) td {
  border-color: #C9B9FF;
  padding: 0.5rem 1rem;
  text-align: center;
  vertical-align: middle;
}

.md-typeset table:not([class]) tbody tr:nth-child(odd) {
  background: #ffffff;
}

.md-typeset table:not([class]) tbody tr:nth-child(even) {
  background: #F4F0FF;
}

/* ===== CODE / STEP-BY-STEP BLOCKS ===== */
.md-typeset pre {
  background: #F7F7F8 !important;
  border-left: 4px solid #5A3EED;
  border-radius: 0 6px 6px 0;
  padding: 1rem 1.2rem;
  margin: 1rem 0;
}

.md-typeset code {
  background: #F3F0FA;
  color: #222;
  border-radius: 4px;
  padding: 0.15em 0.4em;
}

.md-typeset pre code {
  background: transparent;
  padding: 0;
}

/* ===== MATH / EQUATIONS ===== */
.md-typeset .MathJax {
  color: #222222 !important;
}

.md-typeset .MathJax_Display,
.md-typeset mjx-container[display="true"] {
  text-align: center !important;
  margin: 1.2rem 0 !important;
}

/* ===== CHAPTER STYLED SECTIONS ===== */

/* Summary box */
.chapter-styled .summary-box {
  background: #EEF4FF;
  border: 2px solid #A8C8FF;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 1rem 0;
  box-shadow: 0 2px 8px rgba(90, 61, 237, 0.07);
}

.chapter-styled .summary-box p {
  color: #333;
  line-height: 1.85;
  font-size: 1.02rem;
  margin: 0;
}

/* Concepts box */
.chapter-styled .concepts-box {
  background: #F8F6FF;
  border: 2px solid #D4C8FF;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 1rem 0;
}

/* Prerequisites box */
.chapter-styled .prereq-box {
  background: #FFF8E1;
  border: 2px solid #FFE082;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 1rem 0;
}

/* Chapter heading overrides */
.chapter-styled h1 {
  color: #5A3EED !important;
  font-weight: 800;
  border-bottom: 3px solid #D4A017;
  padding-bottom: 0.4rem;
  margin-top: 24px;
  margin-bottom: 16px;
}

.chapter-styled h2 {
  color: #D4A017 !important;
  border-bottom: none;
  border-left: 4px solid #D4A017;
  padding-left: 0.7rem;
  padding-bottom: 0;
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.chapter-styled h3 {
  color: #5A3EED !important;
  border-left: none;
  padding-left: 0;
  margin-top: 1.6rem;
  font-weight: 600;
}

.chapter-styled h4 {
  color: #5A3EED !important;
  font-weight: 600;
}

/* Styled horizontal rules */
.chapter-styled hr {
  border: none;
  height: 2px;
  background: linear-gradient(90deg, #D4A017, #5A3EED, #D4A017);
  margin: 2rem 0;
  border-radius: 1px;
}

/* MicroSim iframe containers */
.chapter-styled iframe,
.md-typeset iframe {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin: 0.4rem 0 1.2rem 0;
  background: #ffffff;
  border: 1px solid #E0E0E0;
}

/* Admonition overrides */
.chapter-styled .md-typeset .admonition,
.chapter-styled .md-typeset details {
  border-radius: 8px;
}

/* Self-check questions styling */
.chapter-styled details.question {
  background: linear-gradient(135deg, #e8eaf6 0%, #f3e5f5 100%);
  border-left: 4px solid #5c6bc0;
  border-radius: 8px;
  padding: 0.8rem 1.2rem;
  margin: 1rem 0;
}

.chapter-styled details.question summary {
  cursor: pointer;
  color: #1a237e;
  font-weight: 600;
}

/* Ordered list styling */
.chapter-styled ol {
  padding-left: 1.4rem;
}

.chapter-styled ol li {
  margin-bottom: 0.5rem;
}