:root {
      --bg: #f9fafb;
      --bg-soft: #eef2ff;
      --bg-card: #ffffff;
      --primary: #0f172a;
      --muted: #6b7280;
      --accent: #2563eb;
      --accent-soft: rgba(37, 99, 235, 0.08);
      --accent-strong: #1d4ed8;
      --border: #e5e7eb;
      --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
      --radius-lg: 18px;
      --radius-xl: 999px;
    }
    /* Journals / Conferences ranking summary bar */

.pub-summary-card {
  background: linear-gradient(to right, #e0f2fe, #f5f3ff);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  font-size: 0.85rem;
}

.pub-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.55rem;
}

.pub-summary-title {
  font-weight: 600;
  font-size: 0.9rem;
}
/* Fix bullet list indentation inside the card */
.interest-list{
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;      /* controls how far bullets are from left */
  list-style-position: outside;
}
.rinterest-list{
  margin: 0.6rem 0 0;
  font-size: 90%;
  padding-left: 1.1rem;      /* controls how far bullets are from left */
  list-style-position: outside;
}
.interest-list li{
  margin: 0.35rem 0;
  line-height: 1.45;
}
.rinterest-list li{
  margin: 0.35rem 0;
  line-height: 1.45;
}
.card-title{
  position: relative;
  display: inline-block;
  margin: 0 0 0.7rem;
  padding-bottom: 0.35rem;
}

/* red underline bar */
.card-title::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;         /* underline length */
  height: 3px;          /* underline thickness */
  background: #0055aa;  /* red */
  border-radius: 999px;
}

/* optional: small light grey line behind red (looks premium) */
.card-title::before{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 128, 128,0.08);
  border-radius: 999px;
}

.rcard-title{
  position: relative;
  display: inline-block;
  margin: 0 0 0.7rem;
  padding-bottom: 0.35rem;
}

/* red underline bar */
.rcard-title::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;         /* underline length */
  height: 3px;          /* underline thickness */
  background: #0055aa;  /* red */
  border-radius: 999px;
}

/* optional: small light grey line behind red (looks premium) */
.rcard-title::before{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 128, 128,0.08);
  border-radius: 999px;
}

.pub-summary-note {
  font-size: 0.78rem;
  color: #004080;
}

.pub-rank-bar {
  display: flex;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.pub-rank-seg {
  padding: 0.25rem 0.55rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 48px;
}

.pub-rank-label {
  font-size: 0.72rem;
  font-weight: 600;
}

.pub-rank-stat {
  font-size: 0.7rem;
}

/* colours per quartile */
.pub-rank-q1 {
  background: #bbf7d0;
  color: #065f46;
}

.pub-rank-q2 {
  background: #e3d204;
  color: #854d0e;
}

.pub-rank-q3 {
  background: #fee2e2;
  color: #991b1b;
}

.pub-rank-q4 {
  background: #fed7aa;
  color: #9a3412;
}

.pub-rank-na {
  background: #e5e7eb;
  color: #4b5563;
}

/* little chips under the bar */
.pub-summary-footer {
  margin-top: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.75rem;
}

.pub-summary-chip {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(148, 163, 184, 0.6);
}


    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: radial-gradient(circle at top right, #e0f2fe 0, #f9fafb 40%, #f9fafb 100%);
      color: var(--primary);
      line-height: 1.6;
    }

    a {
      color: var(--accent);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    .container {
      max-width: 1120px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    /* ANIMATIONS */

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(14px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .fade-in {
      opacity: 0;
      animation: fadeInUp 0.6s ease-out forwards;
    }

    .fade-in.delay-1 { animation-delay: 0.1s; }
    .fade-in.delay-2 { animation-delay: 0.2s; }
    .fade-in.delay-3 { animation-delay: 0.3s; }

    /* NAVBAR */

    header {
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(249, 250, 251, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }

    .nav-title {
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--primary);
    }

    .nav-links {
      display: flex;
      gap: 0.5rem;
      font-size: 0.9rem;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav-links a {
      padding: 0.35rem 0.8rem;
      border-radius: var(--radius-xl);
      color: var(--muted);
      transition: background 0.15s, color 0.15s, transform 0.08s;
      text-decoration: none;
    }

    .nav-links a:hover {
      background: rgba(219, 234, 254, 0.9);
      color: var(--accent-strong);
      transform: translateY(-1px);
    }

    /* SECTIONS */

    main {
      padding: 2.3rem 0 3rem;
    }

    section {
      padding: 2.4rem 0;
    }

    .section-heading {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: 0.9rem;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .section-heading span {
      height: 2px;
      flex: 1;
      background: linear-gradient(to right, var(--accent), transparent);
    }

    .section-subtitle {
      font-size: 0.9rem;
      color: var(--muted);
      margin-bottom: 1.4rem;
      max-width: 700px;
    }

    /* HERO LAYOUT (closer to screenshot) */

    .hero {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr);
      gap: 3rem;
      align-items: flex-start;
      padding-top: 1.6rem;
      border-bottom: 1px solid #e5e7eb;
      padding-bottom: 2.4rem;
    }

    .hero-left {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 0.8rem;
    }

    .profile-photo-large {
      width: 210px;
      height: 210px;
      border-radius: 999px;
      overflow: hidden;
      position: relative;
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
      border: 4px solid #ffffff;
      background: #bfdbfe;
    }
.rprofile-photo-large {
      width: 160px;
      height: 160px;
      border-radius: 999px;
      overflow: hidden;
      position: relative;
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
      border: 4px solid #ffffff;
      background: #bfdbfe;
    }
    .profile-photo-large img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
.rprofile-photo-large img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .profile-photo-fallback {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #bfdbfe, #93c5fd);
      font-size: 3rem;
      font-weight: 700;
      color: #0f172a;
    }

    .hero-name {
      font-size: 2.2rem;
      font-weight: 650;
    }

    .hero-position {
      font-size: 0.92rem;
      color: var(--muted);
    }

    .hero-affiliations {
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .hero-affiliations a {
      text-decoration: none;
    }

    .hero-icons {
      display: flex;
      gap: 0.6rem;
      margin-top: 0.6rem;
      font-size: 1.1rem;
    }

    .hero-icons a {
      width: 32px;
      height: 32px;
      border-radius: 999px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid #d1d5db;
      background: #ffffff;
      color: var(--accent-strong);
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
      text-decoration: none;
    }

    .hero-icons a:hover {
      background: #eff6ff;
      transform: translateY(-1px);
    }

    .hero-buttons {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
      margin-top: 0.9rem;
      width: 100%;
      align-items: center;
    }

    .hero-buttons .btn {
      width: auto;
      min-width: 180px;
    }

    .hero-right {
      font-size: 0.95rem;
    }

    .hero-right h2 {
      font-size: 1.4rem;
      font-weight: 600;
      margin-bottom: 0.7rem;
    }

    .hero-right p {
      color: var(--muted);
      margin-bottom: 0.65rem;
    }

    .hero-highlight {
      font-size: 0.86rem;
      margin-top: 0.6rem;
      padding: 0.45rem 0.7rem;
      background: var(--accent-soft);
      border-radius: 0.75rem;
      display: inline-block;
      color: var(--accent-strong);
    }

    /* GENERIC BUTTONS (reused below) */

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.5rem 1.1rem;
      border-radius: var(--radius-xl);
      border: 1px solid transparent;
      font-size: 0.9rem;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.15s, border-color 0.15s, transform 0.1s, box-shadow 0.1s;
      text-decoration: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, #2563eb, #22c55e);
      color: #f9fafb;
      box-shadow: var(--shadow-soft);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 22px 45px rgba(37, 99, 235, 0.25);
      text-decoration: none;
    }

    .btn-ghost {
      background: #ffffff;
      border-color: #cbd5f5;
      color: var(--primary);
    }

    .btn-ghost:hover {
      background: #eff6ff;
      text-decoration: none;
      transform: translateY(-1px);
    }

    /* LAYOUT BLOCKS */

    .grid-2 {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
      gap: 1.8rem;
    }
.rgrid-2 {
      display: block;
      
      gap: 1.8rem;
    }
    .card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      padding: 1.25rem 1.35rem;
      font-size: 0.94rem;
      box-shadow: var(--shadow-soft);
      transition: transform 0.1s, box-shadow 0.1s;
    }
    .rcard {
      
      border-radius: var(--radius-lg);
      
      padding: 1.25rem 4.35rem;
      font-size: 0.94rem;
      box-shadow: 0 20px 45px rgba(15, 23, 42, 0.14);
      transition: transform 0.1s, box-shadow 0.1s;
    }

    .card:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 45px rgba(15, 23, 42, 0.14);
    }
 .rcard:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 45px rgba(15, 23, 42, 0.14);
    }
    .card h3 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 0.6rem;
      color: #9a3412;
    }
    .rcard h3 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 0.6rem;
    }

    .muted { color: var(--muted); }

    ul.list {
      padding-left: 1.1rem;
    }

    ul.list li {
      margin-bottom: 0.35rem;
    }

    /* TIMELINE */

    .timeline {
      list-style: none;
      border-left: 1px solid rgba(148, 163, 184, 0.7);
      padding-left: 1rem;
      margin-left: 0.2rem;
    }
 .rtimeline {
      list-style: none;
      border-left: 1px solid rgba(148, 163, 184, 0.7);
      padding-left: 1rem;
      margin-left: 0.2rem;
       font-size: 90%;
    }
    .timeline-item {

      position: relative;
      padding-left: 0.1rem;
      margin-bottom: 1rem;
    }
        .rtimeline-item {
      position: relative;
     
      padding-left: 0.1rem;
      margin-bottom: 1rem;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -1.27rem;
      top: 0.33rem;
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--accent-strong);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
    }

    .timeline-title { font-size: 0.93rem; font-weight: 500; }
    .timeline-org { font-size: 0.84rem; color: var(--muted); }
    .timeline-time { font-size: 0.8rem; color: var(--muted); margin-top: 0.1rem; }

    /* PUBLICATIONS */

    .pub-group { margin-bottom: 1.9rem; }
    .pub-group h3 { font-size: 0.98rem; font-weight: 600; margin-bottom: 0.5rem; }

    .pub-list {
      list-style: decimal;
      padding-left: 1.2rem;
      font-size: 0.88rem;
      color: var(--muted);
    }

    .pub-list li { margin-bottom: 0.45rem; }

    .pub-title { 
      color: rgb(1, 88, 122); 
      font-weight: 500; 
    }
    .pub-venue { 
      font-style: italic; 
      color: var(--muted); 
    }

    /* CONTACT */

    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.7fr);
      gap: 1.8rem;
    }

    .contact-list {
      list-style: none;
      font-size: 0.9rem;
    }

    .contact-list li { margin-bottom: 0.5rem; }

    form {
      display: grid;
      gap: 0.6rem;
      font-size: 0.85rem;
    }

    label {
      font-weight: 500;
      font-size: 0.86rem;
    }
	.grid-1 {
 	 display: grid;
  	grid-template-columns: 1fr;
 	 gap: 1.8rem;
	}	
    input, textarea {
      width: 100%;
      padding: 0.45rem 0.6rem;
      border-radius: 0.6rem;
      border: 1px solid #d1d5db;
      background: #ffffff;
      color: var(--primary);
      font: inherit;
    }

    textarea {
      resize: vertical;
      min-height: 110px;
    }

    input::placeholder,
    textarea::placeholder {
      color: #9ca3af;
    }

    footer {
      padding: 1.8rem 0 1.3rem;
      text-align: center;
      font-size: 0.8rem;
      color: var(--muted);
      border-top: 1px solid #e5e7eb;
      margin-top: 2rem;
    }

    /* RESPONSIVE */

    @media (max-width: 900px) {
      .hero {
        grid-template-columns: minmax(0, 1fr);
      }
      .hero-left {
        margin-bottom: 1.4rem;
      }
      .grid-2,
      .contact-grid {
        grid-template-columns: minmax(0, 1fr);
      }
      header {
        position: static;
      }
    }

    @media (max-width: 720px) {
      .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        height: auto;
        padding: 0.45rem 0;
      }

      .nav-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 480px) {
      .hero-buttons .btn {
        width: 100%;
      }
    }
.pub-actions {
  margin-top: 0.25rem;
}

.pub-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.7rem;
  font-size: 0.78rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.4);
  background: rgba(37, 99, 235, 0.05);
  color: #1d4ed8;
  text-decoration: none;
  font-weight: 500;
}

.pub-btn:hover {
  background: rgba(37, 99, 235, 0.12);
  text-decoration: none;
}
/* Quartile badge */
.quartile-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-left: 6px;
  color: black;
}

/* colours */
.q1 { background: #07cf6b; }  /* green */
.q2 { background: #e6e600; }  /* amber/gold */
.q3 { background: #e3c513; }  /* orange */
.q4 { background: #ff8000; }  /* red */
.qna { background: #6b7280; } /* gray */

/* Make the read-paper button and SCImago badge appear side by side */
.pub-meta {
  display: flex;
  align-items: center;
  gap: 10px; /* spacing between elements */
  margin-top: 5px;
}

/* Optional: Resize the SCImago badge to make it cleaner */
.pub-meta img {
  height: 60px;   /* adjust size here */
  width: auto;
  border-radius: 6px;
}

/* Ensure the badge doesn’t force extra spacing */
.pub-meta a img {
  display: block;
}
/* --- Publications controls / filters --- */

.pub-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.pub-filter-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pub-controls-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #4b5563;
  margin-right: 0.25rem;
}

.filter-chip {
  border-radius: 999px;
  padding: 0.15rem 0.7rem;
  font-size: 0.78rem;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #f9fafb;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.filter-chip.active {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
}

#pub-search-input {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.9);
  font-size: 0.8rem;
  min-width: 190px;
}

#pub-year-select {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.9);
  font-size: 0.8rem;
}

/* Optional: “Selected publications” card look */

.selected-pubs-card {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.4rem;
  background: linear-gradient(to right, #eef2ff, #f9fafb);
}

.selected-pubs-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}
:root {
  --accent: #2563eb; /* soft blue */
}

body {
  line-height: 1.55;
}

/* Use accent for links, buttons, section titles */
h2, h3 {
  color: #111827;
}

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

a:hover {
  color: #1d4ed8;
}

.pub-list li {
  line-height: 1.45;
  margin-bottom: 0.55rem;
}

/* Buttons that already exist */
.pub-btn {
  border-color: rgba(37, 99, 235, 0.4);
  background: rgba(37, 99, 235, 0.05);
  color: var(--accent);
}
html {
  scroll-behavior: smooth;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}
/* subtle lift on hover */
.card {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

/* fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Interactive enhancements
   ========================= */

:root[data-theme="dark"]{
  --bg: #0b1220;
  --bg-soft: #0f1a33;
  --bg-card: rgba(17, 24, 39, 0.72);
  --primary: #e5e7eb;
  --muted: #a6b0bf;
  --accent: #60a5fa;
  --accent-soft: rgba(96, 165, 250, 0.14);
  --accent-strong: #93c5fd;
  --border: rgba(148, 163, 184, 0.22);
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] body{
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.22) 0, var(--bg) 45%, var(--bg) 100%);
}

:root[data-theme="dark"] header{
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

:root[data-theme="dark"] .nav-links a{ color: var(--muted); }
:root[data-theme="dark"] .nav-links a:hover{ background: rgba(96,165,250,0.14); color: var(--primary); }
:root[data-theme="dark"] .card{ background: var(--bg-card); }
:root[data-theme="dark"] input,
:root[data-theme="dark"] textarea{
  background: rgba(15, 23, 42, 0.55);
  border-color: rgba(148, 163, 184, 0.25);
  color: var(--primary);
}

/* Nav actions (theme + mobile) */
.nav-actions{
  display:flex;
  align-items:center;
  gap: 0.45rem;
  margin-left: 0.5rem;
}

.icon-btn{
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.65);
  background: rgba(255,255,255,0.85);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow: 0 10px 22px rgba(15,23,42,0.08);
  transition: transform 0.12s ease, background 0.15s ease;
}
.icon-btn:hover{ transform: translateY(-1px); background: rgba(219,234,254,0.9); }
:root[data-theme="dark"] .icon-btn{ background: rgba(17,24,39,0.72); border-color: rgba(148,163,184,0.25); }
:root[data-theme="dark"] .icon-btn:hover{ background: rgba(96,165,250,0.12); }

.nav-toggle{ display:none; }

/* Active nav item */
.nav-links a.active{
  background: rgba(219, 234, 254, 0.92);
  color: var(--accent-strong);
}
:root[data-theme="dark"] .nav-links a.active{
  background: rgba(96,165,250,0.18);
  color: var(--primary);
}

/* Reveal-on-scroll */
.reveal{
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* Hero stats */
.hero-stats{
  width: 100%;
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  
  margin-top: 1rem;
  
    color: #a10008;

}


.stat{
  border-radius: 14px;
  border: 1px solid rgba(148,163,184,0.45);
  background: rgba(255,255,255,0.78); 
  box-shadow: 0 10px 22px rgba(15,23,42,0.07);
  padding: 0.5rem 0.45rem;
}
.stat-num{
  font-size: 1.15rem;
  font-weight: 700;
}
.stat-label{
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.05rem;
}
:root[data-theme="dark"] .stat{
  background: rgba(17,24,39,0.62);
  border-color: rgba(148,163,184,0.22);
}

/* Floating back-to-top */
.fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.65);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 18px 40px rgba(15,23,42,0.18);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, background 0.15s ease;
  z-index: 80;
}
.fab.show{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.fab:hover{ background: rgba(219,234,254,0.9); }
:root[data-theme="dark"] .fab{ background: rgba(17,24,39,0.72); border-color: rgba(148,163,184,0.25); }
:root[data-theme="dark"] .fab:hover{ background: rgba(96,165,250,0.12); }

/* Toast */
.toast{
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 12px);
  background: rgba(15,23,42,0.92);
  color: #fff;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 90;
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
}
.toast.show{
  opacity: 1;
  transform: translate(-50%, 0);
}

/* Tooltips for publication buttons */
.pub-btn{
  position: relative;
}
.pub-btn[data-tooltip]:hover::after{
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  background: rgba(15,23,42,0.92);
  color: #fff;
  padding: 0.35rem 0.55rem;
  border-radius: 10px;
  font-size: 0.72rem;
  white-space: nowrap;
  z-index: 20;
}
.pub-btn[data-tooltip]:hover::before{
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 4px);
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: rgba(15,23,42,0.92);
  rotate: 45deg;
  z-index: 19;
}

/* Mobile nav dropdown */
@media (max-width: 900px){
  .nav-toggle{ display:flex; }
  .nav-links{
    display:none;
    width:100%;
    padding: 0.4rem 0 0.6rem;
  }
  .nav-links.open{
    display:flex;
    gap: 0.35rem;
  }
  .nav{
    flex-wrap: wrap;
  }
  .nav-actions{
    margin-left: auto;
  }
}

/* ===============================
   Freeze left profile on scroll (desktop)
   =============================== */

.hero-left-wrap { position: relative; }

.hero-left-placeholder { display: none; }

.hero-left.is-fixed {
  position: fixed;
  top: 90px;             /* below navbar */
  z-index: 20;
  width: 360px;          /* IMPORTANT: must match the left column width */
}

/* keep layout from jumping when fixed */
.hero-left-placeholder.is-on {
  display: block;
  height: var(--ph, 0px);
}

/* Shrink when fixed (optional) */
.hero-left.is-fixed.is-small {
  transform: scale(0.86);
  transform-origin: top center;
}

.hero-left.is-fixed.is-small .profile-photo-large {
  width: 140px;
  height: 140px;
}

.hero-left.is-fixed.is-small .hero-buttons,
.hero-left.is-fixed.is-small .hero-stats {
  display: none;
}

/* ===============================
   Sticky + Shrink Profile (Desktop)
   =============================== */

.hero-left {
  position: sticky;
  top: 90px; /* below navbar */
  align-self: start;
  transition: transform 0.25s ease;
}

/* Shrunk version */
.hero-left.is-small {
  transform: scale(0.85);
}

/* Shrink the photo */
.hero-left.is-small .profile-photo-large {
  width: 140px;
  height: 140px;
  box-shadow: 0 12px 30px rgba(15,23,42,0.25);
}

/* Hide buttons + stats when compact */
.hero-left.is-small .hero-buttons,
.hero-left.is-small .hero-stats {
  display: none;
}

/* Tighten spacing */
.hero-left.is-small .hero-name {
  font-size: 1.4rem;
}
.rhero-name {
  font-size: 1.1rem;
}
.hero-left.is-small .hero-position {
  font-size: 0.8rem;
}

.pub-years { padding: 1rem; }

.pub-year {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: 0.5rem;
  margin-top: 0.5rem;
}

.pub-year:first-child { border-top: none; }

.pub-year-summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  padding: 0.4rem 0;
}

.pub-year-summary::-webkit-details-marker{ display:none; }

.pub-year-title { font-size: 1rem; }
.pub-year-count { color: #64748b; font-weight: 500; }

.pub-year[open] .pub-year-caret { transform: rotate(0deg); }
.pub-year:not([open]) .pub-year-caret { transform: rotate(0deg); }

.pub-year-caret{
  width: 1.2rem;
  display: inline-block;
  color: #334155;
}

.pub-year-list{
  margin: 0.4rem 0 0.8rem 1.6rem;
  padding: 0;
}

.pub-item{
  margin: 0.75rem 0;
  line-height: 1.45;
}

.pub-title{
  display:block;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.pub-authors, .pub-venue{
  display:block;
  color: #475569;
  font-size: 0.95rem;
}

.pub-mini-links{
  display:inline-flex;
  gap: 0.6rem;
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

.pub-mini-links a{
  color: #2563eb;
  text-decoration: none;
}
.pub-mini-links a:hover{ text-decoration: underline; }

.bibtex-btn{
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  color: #2563eb;
  font: inherit;
}
.bibtex-btn:hover{ text-decoration: underline; }

/* BibTeX modal */
.bibtex-modal{
  width: min(720px, 92vw);
  border: none;
  border-radius: 12px;
  padding: 0;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.bibtex-modal::backdrop{ background: rgba(0,0,0,0.35); }

.bibtex-modal-header{
  display:flex;
  justify-content: space-between;
  align-items:center;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.bibtex-close{
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.1rem;
}

.bibtex-pre{
  padding: 1rem;
  margin: 0;
  background: #0b1220;
  color: #e5e7eb;
  overflow: auto;
  max-height: 45vh;
}

.bibtex-actions{
  display:flex;
  gap: 0.6rem;
  padding: 0.9rem 1rem 1rem;
  justify-content: flex-end;
}


.pub-meta {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.pub-bibtex-toggle {
  font-size: 0.9rem;
  text-decoration: none;
  color: #2563eb;
}

.pub-bibtex-toggle::after {
  content: " ▾";
  font-size: 0.85em;
}

.pub-bibtex-toggle[aria-expanded="true"]::after {
  content: " ▴";
}

.pub-bibtex {
  margin: 0.7rem 0 0;
  padding: 0.85rem 0.95rem;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #f8fafc;
  overflow-x: auto;
  white-space: pre;
  font-size: 0.9rem;
  line-height: 1.35;
}

.pub-bibtex code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* --- Publications year layout (left year, right list) --- */
.pub-years.card {
  padding: 1.25rem 1.25rem 1.35rem;
}

details.pub-year {
  position: relative;
  padding-left: 8.2rem;     /* space for year label on left */
  margin: 0.9rem 0 1.2rem;
}

summary.pub-year-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0 0.65rem;
  font-weight: 600;
}

summary.pub-year-summary::-webkit-details-marker {
  display: none;
}

/* year label pulled to the left */
.pub-year-title,
.pub-year-count,
.pub-year-caret {
  position: relative;
  z-index: 2;
}

/* Place the whole summary (year row) slightly left */
details.pub-year > summary.pub-year-summary {
  position: absolute;
  left: 0;
  top: 0.25rem;
}

/* Keep the list aligned to the right of the year label */
.pub-year-list {
  margin: 0;
  padding-left: 0;
}

/* Optional subtle vertical guide line (looks like scholar style) */
details.pub-year::before {
  content: "";
  position: absolute;
  left: 1.15rem;
  top: 2.1rem;
  bottom: 0.25rem;
  width: 2px;
  background: #e5e7eb;
  border-radius: 2px;}
.ts-card{
  background:#fff;
  border:1px solid rgba(0,0,0,.06);
  border-radius:18px;
  padding:22px 22px 18px;
  box-shadow:0 10px 24px rgba(0,0,0,.06);
}

.ts-head h3{
  margin:0 0 8px;
  font-size:20px;
  letter-spacing:.2px;
}
.ts-sub{
  margin:0 0 14px;
  color:#5a6472;
  line-height:1.55;
}

.ts-highlights{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:12px 0 18px;
}
.ts-chip{
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.08);
  background:linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.00));
}
.ts-chip-k{ font-size:12px; color:#6b7280; }
.ts-chip-v{ font-weight:700; color:#111827; }

.ts-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
@media (max-width: 860px){
  .ts-grid{ grid-template-columns:1fr; }
}

.ts-block{
  border:1px solid rgba(0,0,0,.06);
  border-radius:16px;
  padding:16px;
  background:rgba(0,0,0,.015);
}
.ts-block-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  margin-bottom:10px;
}
.ts-icon{ font-size:18px; }

.ts-list{
  margin:10px 0 0;
  padding-left:18px;
  line-height:1.6;
}
.ts-list li{ margin:7px 0; color:#111827; }
.ts-text{ margin:8px 0 10px; color:#374151; line-height:1.6; }

.ts-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:14px;
  padding:10px 14px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  color:#fff;
  background:linear-gradient(90deg, #1aa56b, #2fb58e);
  box-shadow:0 10px 20px rgba(26,165,107,.25);
}
.ts-btn:hover{ transform:translateY(-1px); }
.ts-btn-arrow{ opacity:.9; }

.ts-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.ts-tag{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px dashed rgba(0,0,0,.18);
  background:#fff;
  color:#374151;
}

.ts-callout{
  margin-top:12px;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(26,165,107,.25);
  background:rgba(26,165,107,.08);
  color:#1f2937;
  line-height:1.55;
}
/* =========================
   Teaching & Supervision card
   ========================= */

.teach-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.teach-intro{
  flex: 1 1 340px;
  min-width: 260px;
}

.teach-chips{
  display:flex;
  flex-wrap:wrap;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.chip{
  display:inline-flex;
  align-items:center;
  padding: 0.15rem 0.6rem;
  font-size: 0.76rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.65);
  background: rgba(255,255,255,0.8);
  color: #334155;
}

:root[data-theme="dark"] .chip{
  background: rgba(17,24,39,0.55);
  border-color: rgba(148,163,184,0.22);
  color: var(--primary);
}

.teach-kpis{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  flex: 0 1 360px;
  min-width: 280px;
}

.teach-kpi{
  border-radius: 14px;
  padding: 0.5rem 0.6rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(135deg, rgba(37,99,235,0.09), rgba(34,197,94,0.06));
}

.kpi-num{
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  line-height: 1.15;
}

.kpi-label{
  margin-top: 0.1rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.teach-block{
  margin-top: 0.75rem;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 0.55rem 0.7rem;
  background: rgba(255,255,255,0.7);
}

:root[data-theme="dark"] .teach-block{
  background: rgba(17,24,39,0.35);
}

.teach-block > summary{
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  display:flex;
  align-items:center;
  gap: 0.45rem;
  user-select: none;
}

.teach-block > summary::-webkit-details-marker{ display:none; }

.summary-caret{
  margin-left:auto;
  color: var(--muted);
  font-weight: 800;
  display:inline-block;
  transition: transform 0.15s ease;
}

details[open] .summary-caret{ transform: rotate(180deg); }

.teach-emoji{ width: 1.2rem; display:inline-flex; justify-content:center; }

.teach-two{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 0.65rem;
}

.teach-list li{
  margin-bottom: 0.45rem;
}

.teach-cta{
  display:flex;
  align-items:center;
  gap: 0.55rem;
  flex-wrap:wrap;
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.55);
}

.teach-note{
  font-size: 0.78rem;
}

.teach-subtext{
  margin-top: 0.55rem;
}

.teach-tags{
  display:flex;
  flex-wrap:wrap;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.tag{
  display:inline-flex;
  align-items:center;
  padding: 0.14rem 0.55rem;
  border-radius: 999px;
  font-size: 0.74rem;
  background: var(--accent-soft);
  border: 1px solid rgba(37,99,235,0.25);
  color: var(--accent-strong);
}

.teach-footer{
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(229, 231, 235, 0.9);
}

@media (max-width: 900px){
  .teach-kpis{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .teach-two{ grid-template-columns: 1fr; }
}

.course-year-summary {
  cursor: pointer;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.course-year-title {
  font-size: 1rem;
}

.course-list {
  margin-left: 4.2rem;
  margin-bottom: 1rem;
}

.course-list li {
  margin-bottom: 0.3rem;
}
.course-list ol {
  margin-left: 2rem;
}
.course-year{
  margin-left: auto;
}