/* ==========================================================================
   Brahma S. Pavse — academic site
   Template design adapted from Kyle Domico (kyledomico.com)
   Palette: off-white, charcoal, UW crimson accent
   Type:    EB Garamond (headings) + Inter (body)
   ========================================================================== */

:root {
  --bg:           #FDF1DE;
  --bg-soft:      #f6e8ce;
  --rule:         #eadfc4;
  --rule-strong:  #d8c8a6;
  --text:         #1a1a1a;
  --text-muted:   #555;
  --text-faint:   #7a7568;
  --accent:       #9b0000;   /* UW crimson */
  --accent-dark:  #6b0000;

  --serif: "Computer Modern Serif", "Latin Modern Roman", Georgia, "Times New Roman", serif;
  --sans:  "Computer Modern Serif", "Latin Modern Roman", Georgia, "Times New Roman", serif;
  --mono:  "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  --measure: 880px;
  --measure-wide: 1180px;
}

/* ---------- Base ---------- */

html {
  /* Use subpixel rendering (not grayscale) so Computer Modern's thin
     strokes render heavier/darker on screen. */
  -webkit-font-smoothing: auto;
  -moz-osx-font-smoothing: auto;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  /* Faux-thicken Computer Modern so body copy isn't too light. */
  -webkit-text-stroke: 0.014em currentColor;
}

/* Keep monospaced code/bibtex crisp — no faux-bolding there. */
code, pre, kbd, samp, .bibtex-content {
  -webkit-text-stroke: 0;
}

p {
  margin-bottom: 1rem;
}

strong, b {
  font-weight: 600;
  color: var(--text);
}

em, i {
  color: var(--text-muted);
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
  opacity: 1;
}

/* ---------- Typography ---------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  color: var(--text);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.75rem;
  margin-top: 2.25rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
}

h3 {
  font-size: 1.35rem;
  margin-top: 1.75rem;
  color: var(--text-muted);
  font-weight: 500;
  font-style: italic;
}

h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 1.5rem;
}

h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.25rem;
  color: var(--text-muted);
}

/* Drop the bold-everything cargo from the templates */
h1 strong, h2 strong, h3 strong, h4 strong, h5 strong { font-weight: inherit; }

/* ---------- Links ---------- */

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

/* ---------- Layout / containers ---------- */

/* Strip the Bootstrap card chrome the old template leaned on */
.container {
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  margin-top: 1.5rem;
  max-width: var(--measure-wide);
}

/* Single readable column for prose-heavy pages */
.container.prose {
  max-width: var(--measure);
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.5rem; }
  .container { padding-left: 1.1rem; padding-right: 1.1rem; }
}

/* ---------- Navigation ---------- */

.navbar {
  background-color: transparent !important;
  border-bottom: 1px solid var(--rule);
  padding: 1rem 0;
}

.navbar .container-fluid {
  max-width: var(--measure-wide);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.navbar-brand {
  font-family: var(--serif);
  color: var(--text) !important;
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  border-bottom: none !important;
}

.navbar-brand:hover { color: var(--accent) !important; }

.nav-link {
  color: var(--text-muted) !important;
  font-weight: 400;
  font-size: 0.97rem;
  padding: 0.25rem 0.9rem !important;
  border-bottom: none !important;
  transition: color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent) !important;
  text-decoration: none;
}

.navbar-nav {
  justify-content: flex-end !important;
}

@media (max-width: 768px) {
  .navbar .container-fluid { padding: 0 1.1rem; }
}

#navbar-toggle-cbox { display: none; }
#navbar-toggle-cbox:checked ~ .collapse { display: block; }

/* ---------- Hero / profile ---------- */

.profile-image {
  width: 100%;
  max-width: 280px;
  border-radius: 50%;
  border: 1px solid var(--rule-strong);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  object-fit: cover;
  transition: transform 0.25s ease;
}

.profile-image:hover { transform: scale(1.01); }

.role-line {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  margin-bottom: 1rem;
}

.icons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  margin: 1rem 0 1.25rem;
}

.icons a {
  border-bottom: none !important;
  display: inline-flex;
  line-height: 0;
}

.big-icon {
  width: 1.5rem;
  height: 1.5rem;
  fill: var(--text-muted);
  transition: fill 0.15s ease;
}

.icons a:hover .big-icon { fill: var(--accent); }

/* FontAwesome glyph icons in the header social row (email, twitter) */
.icons a i {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

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

/* Contact line directly under social icons */
.contact-line {
  margin-top: 0.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.contact-line .contact-item {
  display: inline-flex;
  align-items: center;
  margin-right: 1.25rem;
}

.contact-line .contact-item i {
  color: var(--text-faint);
  width: 1.1rem;
  margin-right: 0.45rem;
  font-size: 0.95rem;
  text-align: center;
}

.contact-line a { color: var(--accent); }

/* ---------- Lists (default) ---------- */

ul {
  list-style-type: none;
  padding-left: 0;
}

li {
  margin: 0;
  padding: 0.15em 0;
  border-left: none;
}

/* ---------- Publication entries ---------- */

.pub-list { padding-left: 0; }

.pub-list > li {
  margin: 0;
  padding: 1rem 0;
}

.pub-list a:not(.btn) {
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid var(--rule-strong);
}

.pub-list a:not(.btn):hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.pub-list em {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: normal;
}

.pub-list em strong { color: var(--text); }

/* Category tag: text-only, small caps, neutral */
.box {
  display: inline-block;
  padding: 0;
  margin: 0;
}

.box:before {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: transparent;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  margin-right: 0.5rem;
  position: relative;
  bottom: 1px;
  vertical-align: middle;
}

.conference:before        { content: "Conference"; color: #1f4e79; border-color: #1f4e79; }
.journal:before           { content: "Journal";    color: #6b0000; border-color: #6b0000; }
.workshop:before          { content: "Workshop";   color: #2d6a4f; border-color: #2d6a4f; }
.technical-report:before  { content: "Preprint";   color: #555;    border-color: #999; }
.preprint:before          { content: "Preprint";   color: #555;    border-color: #999; }
.thesis:before            { content: "Thesis";     color: #5a3e85; border-color: #5a3e85; }
.talk:before              { content: "Talk";       color: #8a6d00; border-color: #8a6d00; }

/* Buttons (PDF / Cite) — outline style */
.publication-buttons {
  margin-top: 0.55rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.publication-buttons .btn,
.btn-danger {
  background: transparent !important;
  color: var(--accent) !important;
  border: 1px solid var(--rule-strong) !important;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.25rem 0.7rem !important;
  border-radius: 3px !important;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.publication-buttons .btn:hover,
.btn-danger:hover {
  color: var(--accent-dark) !important;
  border-color: var(--accent-dark) !important;
  background: rgba(155, 0, 0, 0.04) !important;
}

.publication-buttons .btn i,
.btn-danger i {
  font-size: 0.75rem;
  margin-right: 0.3rem;
}

/* BibTeX expandable block */
.bibtex-content {
  display: none;
  margin-top: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 3px;
}

.bibtex-content pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text);
  background: transparent;
  white-space: pre-wrap;
  word-break: break-word;
}

.bibtex-content code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.toggle-bibtex { display: none; }
.toggle-bibtex:checked + .bibtex-content { display: block; }

/* ---------- News list ---------- */

.news-list { padding: 0; }
.news-list ul { margin: 0; padding-left: 0; list-style: none; }

.news-list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.5rem;
  font-size: 0.99rem;
  color: var(--text-muted);
}

.news-list li:last-child { border-bottom: none; }

.news-list li::before {
  content: "\2192";  /* → arrow */
  position: absolute;
  left: 0;
  top: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.65;
}

.news-list li strong {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-right: 0.4rem;
}

.news-list li > strong:first-child {
  display: inline-block;
  min-width: 5.5rem;
}

/* ---------- Personal / service page figures ---------- */

/* Single floated figure (used on personal page) */
.section-image-wrap {
  float: right;
  margin: 0.25rem 0 1.25rem 1.75rem;
  max-width: 280px;
  width: 38%;
}

/* Stacked column of figures floated flush to the right */
.figure-stack {
  float: right;
  width: 30%;
  max-width: 320px;
  margin: 0.25rem 0 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.figure-stack .section-image-wrap {
  float: none;
  margin: 0;
  width: 100%;
  max-width: 100%;
}

@media (max-width: 768px) {
  .figure-stack {
    float: none;
    width: 100%;
    max-width: 100%;
    margin: 0 auto 1.5rem auto;
  }
}

.section-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule-strong);
  background: #fff;
  padding: 4px;
}

.section-image-wrap figcaption {
  font-size: 0.82rem;
  color: var(--text-faint);
  font-style: italic;
  margin-top: 0.4rem;
  text-align: center;
}

/* Old red-gradient frame — neutralized */
.golden-frame {
  background: transparent;
  padding: 0;
  border: none;
  border-image: none;
  box-shadow: none;
  display: block;
}

.golden-frame .img-fluid,
.golden-frame img {
  border: 1px solid var(--rule-strong);
  background: #fff;
  padding: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

/* ---------- Achievements grid (personal page) ---------- */

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 2rem;
}

.achievements-grid ul {
  padding-left: 1.1rem;
  list-style-type: disc;
  color: var(--text-muted);
}

.achievements-grid ul li {
  border-left: none;
  padding: 0.15em 0;
  margin: 0;
  font-size: 0.95rem;
}

.achievements-grid ul li::marker {
  color: var(--rule-strong);
}

@media (max-width: 768px) {
  .section-image-wrap {
    float: none;
    margin: 0 auto 1.5rem auto;
    max-width: 100%;
    width: 100%;
  }
  .achievements-grid { grid-template-columns: 1fr; }
}

/* ---------- Service page lists ---------- */

.service-list { padding-left: 0; }

.service-list li {
  padding: 0.25rem 0;
  font-size: 0.97rem;
}

.service-list li strong { color: var(--text); }
.service-list li em { color: var(--text-muted); }

/* ---------- Misc legacy classes preserved ---------- */

.award { color: var(--accent); font-style: italic; }

.close-bibtex {
  display: block;
  margin-top: 10px;
  color: var(--accent);
}
.close-bibtex:hover { text-decoration: underline; }

/* ---------- Footer space ---------- */

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--rule);
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
}