/* Techmeme / Morning Brief Unified Theme for Rajasekhar Mekala (rajasekharmekala.github.io) */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #f4f6f8;
  --ink: #111111;
  --ink-secondary: #333333;
  --muted: #556677;
  --faint: #666666;
  --rule: #cccccc;
  --rule-soft: #d8e0e6;
  --navy: #174a61;
  --navy-hover: #578aa1;
  --sisnav-hover: #25607b;
  --link: #002848;
  --headline: #004860;
  --visited: #902050;
  --hover-bg: #d0e8f4;
  --gold-border: #d4a017;
  --gold-bg: #fdfbe8;
  --gold-ink: #8a6300;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: Optima, "Century Gothic", "Trebuchet MS", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15.5px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:visited {
  color: var(--visited);
}
a:hover {
  background-color: var(--hover-bg);
  text-decoration: underline;
}

.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 8px 16px 48px;
}

/* Header & Topline (matches personal-wiki/templates/brief/brief.css) */
.prenavbar {
  margin-bottom: 6px;
}
.topline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 4px;
  margin-bottom: 10px;
  font-size: 0.85em;
  color: var(--faint);
}
.topllinks a {
  font-weight: 600;
  color: var(--link);
}
.logotab {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 8px;
}
.logo-link:hover {
  background: transparent;
  text-decoration: none;
}
.logo-title {
  font-size: 2.25em;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.logo-subtitle {
  font-size: 0.92em;
  color: var(--muted);
  margin-top: 3px;
}
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.84em;
}
.pill-link {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--rule-soft);
  border-top: 2px solid var(--navy);
  background: var(--surface-alt);
  color: var(--navy) !important;
  font-weight: 700;
}
.pill-link:hover {
  background: var(--hover-bg);
  text-decoration: none;
}

/* Main Navy Navigation Bar (#174a61) */
.navbar {
  background-color: var(--navy);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
  min-height: 32px;
  font-size: 0.9em;
}
.navtabs {
  display: flex;
  flex-wrap: wrap;
}
.navtabs a {
  color: #ffffff !important;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  text-decoration: none;
}
.navtabs a:hover, .navtabs a.active {
  background-color: var(--navy-hover);
  text-decoration: none;
}
.sisnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.92em;
}
.sis-label {
  color: #b8d0dc;
  margin-right: 6px;
  font-size: 0.9em;
}
.sisnav a {
  color: #ffffff !important;
  padding: 6px 9px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 600;
}
.sisnav a:hover {
  background-color: var(--sisnav-hover);
  text-decoration: none;
}

/* Subnavbar */
.subnavbar {
  background-color: var(--surface-alt);
  border-bottom: 1px solid var(--rule-soft);
  padding: 5px 12px;
  font-size: 0.85em;
  margin-bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
}
.subnavbar a {
  font-weight: 600;
}

/* Executive Summary Box (matches .exec-theme-box in personal-wiki) */
.exec-theme-box {
  background-color: var(--gold-bg);
  border: 1px solid #d8c878;
  border-left: 5px solid var(--gold-border);
  padding: 9px 14px;
  margin-bottom: 18px;
  font-size: 0.95em;
  color: #2b2b20;
}
.exec-label {
  font-weight: 700;
  color: var(--gold-ink);
  text-transform: uppercase;
  font-size: 0.84em;
  letter-spacing: 0.04em;
  margin-right: 6px;
}

/* Two-Column Techmeme Layout */
.cols-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(290px, 1fr);
  gap: 24px;
  align-items: start;
}

/* Section Headers */
.section-header {
  font-size: 1.12em;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 3px;
  margin: 22px 0 12px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.section-header:first-child {
  margin-top: 0;
}
.section-header-sub {
  font-size: 0.76em;
  font-weight: 600;
  color: var(--faint);
  text-transform: none;
  letter-spacing: 0;
}

/* Bio & Profile Card */
.bio-block {
  background: #fcfdfe;
  border: 1px solid var(--rule-soft);
  border-left: 4px solid var(--navy);
  padding: 14px 16px;
  margin-bottom: 18px;
}
.bio-clearfix::after {
  content: "";
  display: table;
  clear: both;
}
.profile-card {
  float: right;
  width: 195px;
  margin: 0 0 12px 18px;
  background: var(--surface-alt);
  border: 1px solid var(--rule-soft);
  border-top: 3px solid var(--navy);
  padding: 8px;
  text-align: center;
  font-size: 0.84em;
}
.profile-card img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--rule);
  margin-bottom: 6px;
}
.profile-card .addr {
  color: var(--muted);
  font-weight: 600;
  line-height: 1.3;
}
.bio-block p {
  margin: 0 0 10px 0;
  line-height: 1.55;
}
.bio-block p:last-child {
  margin-bottom: 0;
}

/* Sister Portals Grid (links to personal-wiki, portfolio, travel-research) */
.portal-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.portal-card {
  border: 1px solid var(--rule-soft);
  border-top: 3px solid var(--navy);
  background: #fcfdfe;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.portal-card:hover {
  background: #f2f8fc;
}
.portal-card-kicker {
  font-size: 0.74em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.portal-card-title {
  font-size: 1.06em;
  font-weight: 700;
  color: var(--headline);
  margin: 2px 0 5px;
}
.portal-card-desc {
  font-size: 0.88em;
  color: var(--ink-secondary);
  margin: 0 0 8px;
  line-height: 1.38;
}
.portal-card-foot {
  font-size: 0.8em;
  font-weight: 700;
  color: var(--navy);
}

/* Deep-Dive / Case Container (matches .deepdive-container in personal-wiki) */
.deepdive-container {
  background: #fcfdfe;
  border: 1px solid var(--rule-soft);
  border-left: 4px solid var(--navy);
  padding: 13px 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.deepdive-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}
.deepdive-title {
  margin: 0;
  font-size: 1.1em;
  font-weight: 700;
  color: var(--headline);
}
.deepdive-meta {
  font-size: 0.84em;
  color: var(--faint);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.deepdive-sub {
  font-size: 0.9em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 6px;
}
.deepdive-keypts {
  background: #f4f8fb;
  padding: 6px 10px;
  border-left: 3px solid var(--navy);
  font-size: 0.88em;
  margin: 6px 0 8px;
  color: #223344;
}
.deepdive-container ul {
  margin: 6px 0 4px;
  padding-left: 18px;
}
.deepdive-container li {
  margin-bottom: 4px;
  font-size: 0.93em;
  line-height: 1.44;
}

/* Publication & Patent Items */
.pub-item {
  border-bottom: 1px solid #eeeeee;
  padding: 10px 0;
}
.pub-item:last-child {
  border-bottom: none;
}
.pub-badges {
  display: inline-flex;
  gap: 5px;
  margin-right: 6px;
  vertical-align: baseline;
}
.badge {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.74em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 1px solid #b7d1ea;
  background: #e7f0f9;
  color: #0f4c81;
}
.badge-patent {
  background: #fbf2e1;
  border-color: #dfba73;
  color: #7c4700;
}
.badge-selected {
  background: #e8f4ec;
  border-color: #8ec5a1;
  color: #145a32;
}
.pub-title {
  font-weight: 700;
  font-size: 1.02em;
  color: var(--headline);
}
.pub-authors {
  font-size: 0.9em;
  color: var(--ink-secondary);
  margin-top: 2px;
}
.pub-venue {
  font-size: 0.86em;
  color: var(--muted);
  font-style: italic;
  margin-top: 1px;
}
.pub-actions {
  margin-top: 5px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.82em;
}
.pub-btn {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--rule);
  background: var(--surface-alt);
  color: var(--link);
  font-weight: 600;
  cursor: pointer;
}
.pub-btn:hover {
  background: var(--hover-bg);
}
details.pub-details {
  display: inline-block;
  margin-right: 6px;
}
details.pub-details summary {
  list-style: none;
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--rule);
  background: var(--surface-alt);
  color: var(--link);
  font-size: 0.82em;
  font-weight: 600;
  cursor: pointer;
}
details.pub-details summary::-webkit-details-marker { display: none; }
details.pub-details summary:hover { background: var(--hover-bg); }
details.pub-details[open] summary {
  background: var(--navy);
  color: #ffffff;
  border-color: var(--navy);
}
.pub-drawer {
  margin-top: 6px;
  padding: 8px 10px;
  background: #f8fafb;
  border: 1px solid var(--rule-soft);
  border-left: 3px solid var(--navy);
  font-size: 0.88em;
  line-height: 1.45;
  color: var(--ink-secondary);
}
pre.bibtex {
  margin: 6px 0 0;
  padding: 8px;
  background: #f0f4f7;
  border: 1px solid var(--rule-soft);
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82em;
  line-height: 1.35;
}

/* News & Archive Table (matches .archive-table in personal-wiki) */
.table-wrap {
  overflow-x: auto;
  max-width: 100%;
}
.table-wrap:focus-visible {
  outline: 2px solid var(--navy);
}
.archive-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
}
.archive-table th, .archive-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #eeeeee;
  text-align: left;
  vertical-align: top;
}
.archive-table th {
  position: sticky;
  inset-block-start: 0;
  background-color: var(--surface-alt);
  font-weight: 700;
  color: var(--navy);
  border-bottom: 2px solid var(--rule-soft);
}
.archive-table tr:hover td {
  background-color: #f5f9fc;
}
.date-col {
  white-space: nowrap;
  color: var(--faint);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  width: 98px;
}

/* Sidebar Cards */
.side-box {
  background: var(--surface-alt);
  border: 1px solid var(--rule-soft);
  border-top: 3px solid var(--navy);
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 0.9em;
}
.side-box h3 {
  margin: 0 0 8px;
  font-size: 0.95em;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 4px;
}
.side-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.side-list li {
  padding: 5px 0;
  border-bottom: 1px solid #e5ebef;
}
.side-list li:last-child {
  border-bottom: none;
}

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.project-card {
  border: 1px solid var(--rule-soft);
  border-left: 4px solid var(--navy);
  background: #fcfdfe;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.project-thumb {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border: 1px solid var(--rule-soft);
  margin-bottom: 8px;
  background: #ffffff;
}

/* Footer */
.footer {
  margin-top: 36px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  text-align: center;
  font-size: 0.85em;
  color: var(--faint);
}

@media (max-width: 920px) {
  .cols-wrapper {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .profile-card {
    float: none;
    width: 150px;
    margin: 0 auto 12px;
  }
  .navbar {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
  }
  .navtabs { border-bottom: 1px solid #2b6077; }
  .sisnav { padding: 4px 10px; }
}