/* =============================================================================
   redesign.css — modern research-portfolio layer for bazaga.ai
   Loaded AFTER main.css so it enhances/overrides the al-folio base without
   removing the rules the news/blog pages still rely on. Dark mode reuses the
   existing html[data-theme=dark] toggle (see assets/js/theme.js).
   ========================================================================== */

:root {
  --rx-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --rx-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --rx-mono: "SFMono-Regular", ui-monospace, "Roboto Mono", Menlo, Consolas, monospace;

  --rx-bg: #ffffff;
  --rx-bg-soft: #f6f8fb;
  --rx-surface: #ffffff;
  --rx-surface-2: #f4f6fa;
  --rx-ink: #1b2130;
  --rx-ink-soft: #4b5566;
  --rx-muted: #7b8494;
  --rx-border: #e6eaf0;
  --rx-border-strong: #d3d9e3;
  --rx-accent: #2f6bed;
  --rx-accent-strong: #1d4ed8;
  --rx-accent-soft: rgba(47, 107, 237, 0.1);
  --rx-accent-2: #0ea5a5;
  --rx-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  --rx-shadow-lg: 0 4px 12px rgba(16, 24, 40, 0.08), 0 20px 48px rgba(16, 24, 40, 0.1);
  --rx-radius: 14px;
  --rx-radius-sm: 10px;
  --rx-maxw: 1080px;
  --rx-readw: 760px;

  /* Refine shared al-folio tokens so links/buttons stay consistent site-wide. */
  --global-theme-color: #2f6bed;
  --global-hover-color: #1d4ed8;
  --global-text-color: #1b2130;
}

html[data-theme="dark"] {
  --rx-bg: #0e1116;
  --rx-bg-soft: #12161d;
  --rx-surface: #161b23;
  --rx-surface-2: #1b212b;
  --rx-ink: #e8ecf3;
  --rx-ink-soft: #aab3c1;
  --rx-muted: #7d8797;
  --rx-border: #262d38;
  --rx-border-strong: #333c49;
  --rx-accent: #6aa6ff;
  --rx-accent-strong: #8bbcff;
  --rx-accent-soft: rgba(106, 166, 255, 0.14);
  --rx-accent-2: #2dd4bf;
  --rx-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.4);
  --rx-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4), 0 24px 56px rgba(0, 0, 0, 0.5);

  --global-theme-color: #6aa6ff;
  --global-hover-color: #8bbcff;
  --global-text-color: #e8ecf3;
  --global-bg-color: #0e1116;
}

/* -------- Base ----------------------------------------------------------- */
body.rx-page {
  font-family: var(--rx-sans);
  color: var(--rx-ink);
  background-color: var(--rx-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-optical-sizing: auto;
  line-height: 1.6;
  font-size: 1rem;
  /* mdb.min.css sets body to 300, a weight we no longer load. */
  font-weight: 400;
}

body.rx-page .container { max-width: var(--rx-maxw); }

/* Legacy al-folio markup is kept in the DOM but hidden behind the redesign. */
.rx-legacy { display: none !important; }

/* Only the fully-redesigned pages drop the legacy fixed-footer spacing. */
body.rx-home, body.rx-research { padding-bottom: 0; }

.rx-page h1, .rx-page h2, .rx-page h3, .rx-page h4 {
  font-family: var(--rx-serif);
  color: var(--rx-ink);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.2;
}

.rx-page a { color: var(--rx-accent); text-decoration: none; }
.rx-page a:hover { color: var(--rx-accent-strong); text-decoration: underline; }
.rx-page ::selection { background: var(--rx-accent-soft); }

/* Inline SVG flag: emoji flags don't render on Windows. */
.rx-flag { height: 0.78em; width: auto; vertical-align: -0.06em; border-radius: 2px; }

.rx-wrap { max-width: var(--rx-maxw); margin: 0 auto; padding: 0 20px; }
.rx-readable { max-width: var(--rx-readw); }

.rx-section { padding: 46px 0; border-top: 1px solid var(--rx-border); }
.rx-section:first-of-type { border-top: 0; }

.rx-eyebrow {
  font-family: var(--rx-sans);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--rx-accent);
  margin: 0 0 8px;
}
.rx-section > .rx-wrap > .rx-h,
.rx-h { font-size: 1.6rem; margin: 0 0 6px; }
.rx-section-lead { color: var(--rx-ink-soft); max-width: var(--rx-readw); margin: 0 0 26px; }
.rx-see-all { font-weight: 600; font-size: 0.92rem; white-space: nowrap; }
.rx-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* -------- Navbar --------------------------------------------------------- */
.rx-page #navbar.navbar {
  background: var(--rx-bg);
  background: color-mix(in srgb, var(--rx-bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rx-border);
  padding: 0.5rem 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.rx-page #navbar .navbar-brand.title {
  font-family: var(--rx-serif);
  font-weight: 600 !important;
  color: var(--rx-ink);
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}
.rx-page #navbar .nav-link {
  color: var(--rx-ink-soft) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.3rem 0.85rem !important;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.rx-page #navbar .nav-link:hover,
.rx-page #navbar .nav-item.active .nav-link { color: var(--rx-accent) !important; }
.rx-page #navbar .nav-link.rx-cta {
  color: #fff !important;
  background: var(--rx-accent);
  padding: 0.34rem 0.95rem !important;
}
.rx-page #navbar .nav-link.rx-cta:hover { background: var(--rx-accent-strong); }

@media (max-width: 767px) {
  .rx-page .navbar-expand-md .navbar-collapse {
    background: var(--rx-bg);
    border: 1px solid var(--rx-border);
    border-radius: 12px;
    padding: 10px 14px;
    margin-top: 8px;
    box-shadow: var(--rx-shadow);
  }
  .rx-page .navbar-expand-md .nav-item { padding: 2px 0; }
}

#light-toggle {
  background: none; border: 0; cursor: pointer; color: var(--rx-ink-soft);
  padding: 0.3rem 0.5rem; line-height: 1; border-radius: 8px;
}
#light-toggle:hover { color: var(--rx-accent); background: var(--rx-accent-soft); }
.rx-page #light-toggle .fa-sun,
.rx-page #light-toggle .fa-moon { padding: 0 !important; font-size: 1rem; }

/* -------- Buttons & badges ---------------------------------------------- */
.rx-btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--rx-sans); font-size: 0.9rem; font-weight: 600;
  padding: 0.5rem 1rem; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--rx-border-strong); background: var(--rx-surface);
  color: var(--rx-ink) !important; text-decoration: none !important;
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.rx-btn:hover { border-color: var(--rx-accent); color: var(--rx-accent) !important; transform: translateY(-1px); box-shadow: var(--rx-shadow); }
.rx-btn-primary { background: var(--rx-accent); border-color: var(--rx-accent); color: #fff !important; }
.rx-btn-primary:hover { background: var(--rx-accent-strong); border-color: var(--rx-accent-strong); color: #fff !important; }

.rx-link-btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.rx-link-btns a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 600; padding: 0.28rem 0.7rem;
  border-radius: 8px; border: 1px solid var(--rx-border-strong);
  color: var(--rx-ink-soft) !important; background: var(--rx-surface); text-decoration: none !important;
  transition: all 0.15s ease;
}
.rx-link-btns a:hover { border-color: var(--rx-accent); color: var(--rx-accent) !important; background: var(--rx-accent-soft); }

.rx-badge {
  display: inline-block; font-family: var(--rx-sans);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.03em;
  text-transform: uppercase; padding: 0.24rem 0.55rem; border-radius: 6px;
  background: var(--rx-accent-soft); color: var(--rx-accent);
  border: 1px solid transparent; white-space: nowrap;
}
.rx-chip {
  display: inline-block; font-size: 0.8rem; font-weight: 500;
  padding: 0.3rem 0.7rem; border-radius: 999px;
  background: var(--rx-surface-2); color: var(--rx-ink-soft);
  border: 1px solid var(--rx-border);
}

/* -------- Hero ----------------------------------------------------------- */
.rx-hero { padding: 54px 0 20px; }
.rx-hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: center; }
.rx-hero h1 { font-size: 2.9rem; margin: 0 0 6px; }
.rx-hero-role { font-size: 1.18rem; color: var(--rx-ink); font-weight: 500; margin: 0 0 4px; }
.rx-hero-role strong { color: var(--rx-accent); font-weight: 600; }
.rx-hero-affil { color: var(--rx-muted); font-size: 0.98rem; margin: 0 0 16px; }
.rx-hero-tagline { color: var(--rx-ink-soft); font-size: 1.05rem; max-width: 34em; margin: 0 0 18px; }
.rx-hero-photo { justify-self: center; }
.rx-hero-photo img {
  width: 260px; height: 260px; object-fit: cover; border-radius: 20px;
  box-shadow: var(--rx-shadow-lg); border: 1px solid var(--rx-border);
}

.rx-social { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 4px; }
.rx-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px;
  color: var(--rx-ink-soft) !important; background: var(--rx-surface-2);
  border: 1px solid var(--rx-border); font-size: 1.05rem; text-decoration: none !important;
  transition: all 0.15s ease;
}
.rx-social a:hover { color: #fff !important; background: var(--rx-accent); border-color: var(--rx-accent); transform: translateY(-2px); }

/* -------- About ---------------------------------------------------------- */
.rx-about p { color: var(--rx-ink-soft); margin-bottom: 1rem; }
.rx-about strong { color: var(--rx-ink); }
.rx-about .rx-lead { font-size: 1.12rem; color: var(--rx-ink); }

/* -------- Research themes ------------------------------------------------ */
.rx-theme { padding: 30px 0; border-top: 1px dashed var(--rx-border); }
.rx-theme:first-child { border-top: 0; padding-top: 6px; }
.rx-theme-title { font-size: 1.35rem; margin: 4px 0 8px; display: flex; align-items: center; gap: 10px; }
.rx-theme-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; flex: none; border-radius: 8px;
  background: var(--rx-accent-soft); color: var(--rx-accent);
  font-family: var(--rx-sans); font-size: 0.95rem; font-weight: 700;
}
.rx-theme-desc { color: var(--rx-ink-soft); margin: 0 0 18px; max-width: 62em; }

.rx-papers { display: flex; flex-direction: column; gap: 18px; }
.rx-paper {
  display: grid; grid-template-columns: 300px 1fr; gap: 22px; align-items: center;
  background: var(--rx-surface); border: 1px solid var(--rx-border);
  border-radius: var(--rx-radius); padding: 16px; box-shadow: var(--rx-shadow);
  transition: border-color 0.15s ease, box-shadow 0.2s ease;
}
.rx-paper:hover { border-color: var(--rx-border-strong); box-shadow: var(--rx-shadow-lg); }
.rx-paper.rx-paper-nofig { grid-template-columns: 1fr; }
.rx-paper-fig {
  display: block; border-radius: var(--rx-radius-sm); overflow: hidden;
  border: 1px solid var(--rx-border); background: #ffffff;
}
.rx-paper-fig img { display: block; width: 100%; height: auto; }
.rx-paper-body { min-width: 0; }
.rx-paper-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.rx-paper-head a, .rx-paper-head .rx-theme-plain { color: var(--rx-ink) !important; font-weight: 600; font-family: var(--rx-serif); font-size: 1.02rem; line-height: 1.3; }
.rx-paper-head a:hover { color: var(--rx-accent) !important; }
.rx-paper-desc { color: var(--rx-ink-soft); font-size: 0.9rem; margin: 8px 0 10px; }

/* -------- Impact / products --------------------------------------------- */
.rx-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.rx-card {
  background: var(--rx-surface); border: 1px solid var(--rx-border);
  border-radius: var(--rx-radius); padding: 22px; box-shadow: var(--rx-shadow);
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.rx-card:hover { transform: translateY(-3px); box-shadow: var(--rx-shadow-lg); border-color: var(--rx-border-strong); }
.rx-card-media {
  aspect-ratio: 3 / 2; background: #ffffff;
  border: 1px solid var(--rx-border); border-radius: var(--rx-radius-sm);
  overflow: hidden; margin-bottom: 14px;
}
.rx-card-media img { width: 100%; height: 100%; object-fit: contain; display: block; }
.rx-card-icon {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: var(--rx-accent-soft); color: var(--rx-accent); font-size: 1.2rem; margin-bottom: 12px;
}
.rx-card h3 { font-size: 1.12rem; margin: 0 0 6px; }
.rx-card p { color: var(--rx-ink-soft); font-size: 0.92rem; margin: 0 0 12px; }
.rx-metrics { display: flex; flex-wrap: wrap; gap: 6px; }
.rx-metric { font-size: 0.72rem; font-weight: 600; padding: 0.22rem 0.5rem; border-radius: 6px; background: var(--rx-surface-2); color: var(--rx-ink-soft); border: 1px solid var(--rx-border); }

/* -------- Publications --------------------------------------------------- */
.rx-pub-list { display: flex; flex-direction: column; }
.rx-pub {
  display: grid; grid-template-columns: 84px 1fr; gap: 18px;
  padding: 16px 0; border-top: 1px solid var(--rx-border);
}
.rx-pub:first-child { border-top: 0; }
.rx-pub-venue { padding-top: 2px; }
.rx-pub-year { display: block; color: var(--rx-muted); font-size: 0.78rem; margin-top: 6px; font-weight: 600; }
.rx-pub-title { font-family: var(--rx-serif); font-weight: 600; color: var(--rx-ink); font-size: 1.02rem; margin: 0 0 4px; line-height: 1.35; }
.rx-pub-title a { color: var(--rx-ink) !important; }
.rx-pub-title a:hover { color: var(--rx-accent) !important; }
.rx-pub-authors { color: var(--rx-ink-soft); font-size: 0.9rem; margin: 0 0 3px; }
.rx-pub-authors .rx-me { color: var(--rx-ink); font-weight: 700; }
.rx-pub-venue-line { color: var(--rx-muted); font-size: 0.85rem; font-style: italic; margin: 0 0 8px; }

/* -------- Research page filter ------------------------------------------ */
.rx-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.rx-filter {
  font-family: var(--rx-sans); font-size: 0.85rem; font-weight: 600;
  padding: 0.4rem 0.9rem; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--rx-border-strong); background: var(--rx-surface); color: var(--rx-ink-soft);
  transition: all 0.15s ease;
}
.rx-filter:hover { border-color: var(--rx-accent); color: var(--rx-accent); }
.rx-filter.is-active { background: var(--rx-accent); border-color: var(--rx-accent); color: #fff; }
.rx-pub.is-hidden { display: none; }
.rx-year-head { font-family: var(--rx-serif); font-size: 1.15rem; color: var(--rx-ink); margin: 26px 0 4px; padding-top: 10px; }
.rx-year-head.is-hidden { display: none; }

/* -------- News timeline -------------------------------------------------- */
.rx-timeline { position: relative; margin: 0; padding: 0 0 0 4px; }
.rx-news-item { display: grid; grid-template-columns: 124px 1fr; gap: 18px; padding: 12px 0; border-top: 1px solid var(--rx-border); }
.rx-news-item:first-child { border-top: 0; }
.rx-news-date { color: var(--rx-muted); font-size: 0.82rem; font-weight: 600; padding-top: 2px; white-space: nowrap; }
.rx-news-body { color: var(--rx-ink-soft); font-size: 0.95rem; }
.rx-news-body strong { color: var(--rx-ink); }
.rx-news-body ul { margin: 4px 0 0; padding-left: 18px; }
.rx-news-body li { margin: 0 0 5px; }
.rx-news-body li:last-child { margin-bottom: 0; }

/* -------- Awards / experience / service --------------------------------- */
.rx-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

.rx-list { list-style: none; padding: 0; margin: 0; }
.rx-award { display: grid; grid-template-columns: 56px 1fr; gap: 14px; padding: 11px 0; border-top: 1px solid var(--rx-border); }
.rx-award:first-child { border-top: 0; }
.rx-award-year { color: var(--rx-accent); font-weight: 700; font-size: 0.9rem; }
.rx-award-name { color: var(--rx-ink); font-weight: 500; font-size: 0.95rem; }
.rx-award-org { color: var(--rx-muted); font-size: 0.85rem; }

.rx-exp { position: relative; padding: 0 0 4px 26px; }
.rx-exp::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 0; width: 2px; background: var(--rx-border); }
.rx-exp-item { position: relative; padding: 0 0 22px; }
.rx-exp-item::before {
  content: ""; position: absolute; left: -26px; top: 5px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--rx-bg); border: 2px solid var(--rx-accent);
}
.rx-exp-role { font-family: var(--rx-serif); font-weight: 600; color: var(--rx-ink); font-size: 1.02rem; }
.rx-exp-meta { color: var(--rx-muted); font-size: 0.85rem; margin: 1px 0 6px; }
.rx-exp-meta .rx-exp-org { color: var(--rx-accent); font-weight: 600; }
.rx-exp-item p { color: var(--rx-ink-soft); font-size: 0.92rem; margin: 0; }

.rx-skill-group { margin-bottom: 16px; }
.rx-skill-group h4 { font-family: var(--rx-sans); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--rx-muted); margin: 0 0 8px; }
.rx-skill-chips { display: flex; flex-wrap: wrap; gap: 7px; }

.rx-service p { color: var(--rx-ink-soft); font-size: 0.94rem; margin: 0 0 10px; }
.rx-service strong { color: var(--rx-ink); }

/* -------- Footer --------------------------------------------------------- */
.rx-footer {
  position: static !important; background: var(--rx-bg-soft);
  border-top: 1px solid var(--rx-border); color: var(--rx-muted);
  padding: 30px 0; margin-top: 30px; font-size: 0.88rem;
}
.rx-footer .rx-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.rx-footer-social { display: flex; gap: 14px; }
.rx-footer-social a { color: var(--rx-muted) !important; font-size: 1.05rem; text-decoration: none !important; }
.rx-footer-social a:hover { color: var(--rx-accent) !important; }

/* -------- Responsive ----------------------------------------------------- */
@media (max-width: 860px) {
  .rx-hero-grid { grid-template-columns: 1fr; gap: 26px; text-align: left; }
  .rx-hero-photo { justify-self: start; order: -1; }
  .rx-hero-photo img { width: 150px; height: 150px; border-radius: 16px; }
  .rx-hero h1 { font-size: 2.3rem; }
  .rx-paper { grid-template-columns: 1fr; }
  .rx-cards { grid-template-columns: 1fr; }
  .rx-two-col { grid-template-columns: 1fr; gap: 26px; }
  .rx-pub { grid-template-columns: 64px 1fr; gap: 12px; }
  .rx-news-item { grid-template-columns: 112px 1fr; gap: 12px; }
}

@media (max-width: 520px) {
  .rx-hero h1 { font-size: 2rem; }
  .rx-pub { grid-template-columns: 1fr; gap: 6px; }
  .rx-news-item { grid-template-columns: 1fr; gap: 3px; }
  .rx-award { grid-template-columns: 48px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .rx-page *, .rx-page *::before, .rx-page *::after { transition: none !important; }
}