/* ============================
   Color Palettes
   ============================ */
[data-bs-theme="light"] {
  --bg: #ffffff;
  --surface: #f5f6f8;
  --border: #e2e4ea;
  --text-primary: #0f1115;
  --text-secondary: #5a6070;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: rgba(37, 99, 235, 0.1);
}

[data-bs-theme="dark"] {
  --bg: #0f1115;
  --surface: #161a20;
  --border: #1e2330;
  --text-primary: #e8eaf0;
  --text-secondary: #8b909e;
  --accent: #4f8ef7;
  --accent-hover: #6ba3ff;
  --accent-light: rgba(79, 142, 247, 0.12);
}

:root {
  --max-width: 720px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  --radius: 6px;
}

/* ============================
   Base
   ============================ */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  line-height: 1.75;
  background: var(--bg);
  color: var(--text-primary);
  transition: background-color 150ms ease, color 150ms ease;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 150ms ease;
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* ============================
   Typography
   ============================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

p {
  margin: 0 0 1rem;
}

code, pre, .mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* ============================
   Layout
   ============================ */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

/* Override Quarto's default content width */
.main-content {
  max-width: var(--max-width) !important;
  margin: 0 auto !important;
}

/* ============================
   Navbar
   ============================ */
#quarto-header {
  position: sticky !important;
  top: 0;
  z-index: 1000;
}

.navbar {
  background: var(--bg) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 0.5rem 1rem !important;
  transition: background-color 150ms ease;
}

.navbar .navbar-brand {
  font-weight: 600;
  color: var(--text-primary) !important;
  font-size: 1rem !important;
}

.navbar .nav-link {
  color: var(--text-secondary) !important;
  font-size: 0.85rem !important;
  font-weight: 500 !important;
  padding: 0.4rem 0.6rem !important;
  border-radius: var(--radius);
  transition: color 150ms ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active,
.navbar .nav-link:focus {
  color: var(--accent) !important;
}

.navbar .navbar-toggler {
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
}

.navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%238b909e' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar .navbar-container {
  max-width: var(--max-width) !important;
  margin: 0 auto !important;
}

#theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius);
  background: var(--surface) !important;
  cursor: pointer;
  transition: opacity 150ms ease;
  margin-left: 0.5rem;
}

#theme-toggle:hover {
  opacity: 0.85;
}

/* Collapse menu on mobile */
@media (max-width: 991px) {
  .navbar .navbar-collapse {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem;
    margin-top: 0.5rem;
  }
}

/* ============================
   Page Layout
   ============================ */
#quarto-content.page-columns {
  grid-template-columns: [screen-start] 1fr [page-start] minmax(0, var(--max-width)) [page-end] 1fr [screen-end] !important;
  grid-template-rows: auto !important;
}

#quarto-content #quarto-document-content {
  grid-column: page-start / page-end !important;
  max-width: 100% !important;
  padding: 2rem 1rem 4rem !important;
}

#quarto-content #quarto-margin-sidebar {
  grid-column: screen-end / screen-end !important;
  width: 260px !important;
  padding: 2rem 1rem !important;
}

/* Hide TOC on small screens */
@media (max-width: 1200px) {
  #quarto-content #quarto-margin-sidebar {
    display: none !important;
  }
}

/* ============================
   TOC (Table of Contents)
   ============================ */
#quarto-margin-sidebar .sidebar,
#quarto-margin-sidebar nav[role="doc-toc"] {
  position: sticky;
  top: 80px;
}

#TOC {
  font-size: 0.85rem;
}

#TOC > ul > li > a {
  font-weight: 600;
  color: var(--text-primary) !important;
}

#TOC .nav-link {
  color: var(--text-secondary) !important;
  padding: 0.15rem 0 !important;
  border-left: 2px solid var(--border) !important;
  padding-left: 0.75rem !important;
  font-size: 0.8rem;
}

#TOC .nav-link.active {
  color: var(--accent) !important;
  border-left-color: var(--accent) !important;
}

#TOC .nav-link:hover {
  color: var(--accent) !important;
}

#TOC .section-number {
  display: none;
}

#TOC .toc-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

#TOC .toc-actions a {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

#TOC .quarto-alternate-formats {
  margin-top: 1rem;
}

#TOC .quarto-alternate-formats a {
  color: var(--accent);
  font-size: 0.85rem;
}

/* ============================
   Cards
   ============================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: opacity 150ms ease;
}

.card:hover {
  border-color: var(--accent);
}

/* ============================
   Publication Entries
   ============================ */
.pub-entry {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-entry:last-child {
  border-bottom: none;
}

.pub-authors {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.pub-authors strong {
  color: var(--text-primary);
  font-weight: 600;
}

.pub-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.pub-title a {
  color: var(--text-primary);
}

.pub-title a:hover {
  color: var(--accent);
}

.pub-journal {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.pub-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.pub-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 150ms ease;
}

.pub-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.pub-year-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
}

.tag-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 9999px;
  color: var(--text-secondary);
  margin-right: 0.3rem;
  margin-bottom: 0.3rem;
}

/* ============================
   CV Page
   ============================ */
.cv-section {
  margin-bottom: 2rem;
}

.cv-section h2 {
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

.cv-entry {
  margin-bottom: 1.25rem;
}

.cv-entry h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.2rem;
}

.cv-entry .cv-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}

.cv-entry .cv-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 150ms ease;
  text-decoration: none;
}

.download-btn:hover {
  background: var(--accent-hover);
  color: #ffffff;
}

/* ============================
   Social Links / Contact
   ============================ */
.social-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 150ms ease;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ============================
   Buttons
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 150ms ease;
  text-decoration: none;
}

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

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #ffffff;
}

/* ============================
   Tables
   ============================ */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
}

th, td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  font-weight: 600;
  color: var(--text-primary);
}

/* ============================
   Responsive
   ============================ */
@media (max-width: 1024px) {
  .sidebar nav[role="doc-toc"] {
    display: none;
  }
}

@media (max-width: 768px) {
  .page {
    padding: 1.5rem 1rem 3rem;
  }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }
  h3 { font-size: 1.1rem; }

  .pub-links {
    gap: 0.3rem;
  }

  .social-links {
    gap: 0.5rem;
  }
}

/* ============================
   Utilities
   ============================ */
.text-muted {
  color: var(--text-secondary) !important;
}

.text-accent {
  color: var(--accent) !important;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1.5rem; }