:root{
  /* Dark background + gold theme */
  --bg: #12141c;
  --card: rgba(22,26,40,.75);
  --text: #f0f0eb;
  --muted: #7a7f9a;
  --accent: #c9a227;

  --text-rgb: 240,240,235;
  --muted-rgb: 122,127,154;
  --accent-rgb: 201,162,39;

  --line: rgba(var(--text-rgb),.14);
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius: 18px;
  --max: 1020px;
  --space-4: 22px;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(var(--accent-rgb),.15), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(var(--muted-rgb),.18), transparent 55%),
    var(--bg);
  line-height: 1.55;
}
a{ color: var(--text); text-decoration: none; }
a:hover{ text-decoration: underline; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 28px 18px 80px; }

.top{
  position: sticky;
  top: 14px;
  z-index: 20;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(10px);
}

.brand{ display:flex; align-items:center; gap:10px; min-width: 220px; }
.brand .name{ font-weight: 800; letter-spacing: .1px; font-size: 14px; white-space: nowrap; }
.brand .role{ font-size: 12px; color: var(--muted); white-space: nowrap; }

.nav{ display:flex; flex-wrap:wrap; gap: 6px; justify-content:flex-end; align-items:center; }
.nav a{
  font-size: 12px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav a:hover{
  color: var(--text);
  border-color: rgba(var(--text-rgb),.18);
  background: rgba(var(--text-rgb),.06);
  text-decoration: none;
}

.heroCard{ display: grid; grid-template-columns: 1fr; gap: 14px; }

.heroTop{
  display:flex;
  align-items:center;
  gap: 16px;
}

.heroIntro{ min-width: 0; }

.headshot{
  width: 96px;
  height: 96px;
  object-fit: cover;
  object-position: 50% 22%;
  border-radius: 14px;
  border: 1px solid rgba(var(--text-rgb),.18);
  background: rgba(255,255,255,0.03);
  flex: 0 0 auto;
}

.heroCard .h1{ margin-bottom: 6px; }
.heroCard .subtitle{ margin-bottom: 10px; max-width: 62ch; }

.hero{ margin-top: 22px; display:grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
@media (max-width: 900px){ .hero{ grid-template-columns: 1fr; } .brand{ min-width:auto; } }
@media (max-width: 720px){
  .top{ top: 8px; padding: 10px 12px; border-radius: 12px; gap: 10px; }
  .brand{ min-width:auto; }
  .nav{ gap: 6px; justify-content:flex-start; }
  .nav a{ padding: 7px 10px; }
  .heroTop{ gap: 12px; }
  .headshot{ width: 72px; height: 72px; border-radius: 12px; }
  .h1{ font-size: 26px; }
}

.card{
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.h1{ margin:0 0 8px; font-size: 28px; line-height: 1.2; letter-spacing: .1px; }
.subtitle{ margin:0 0 14px; color: var(--muted); font-size: 14px; }

.chips{ display:flex; flex-wrap:wrap; gap: 8px; margin-top: 10px; }
.chip{
  font-size: 12px; padding: 6px 10px; border-radius: 999px;
  border: 1px solid rgba(var(--text-rgb),.18);
  background: rgba(var(--text-rgb),.06);
  color: var(--muted);
}
.chip strong{ color: var(--text); font-weight: 700; }

.ctaRow{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 14px; }
button, .btn{
  cursor: pointer;
  border: 1px solid rgba(var(--text-rgb),.18);
  background: rgba(var(--text-rgb),.08);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: .1px;
}
button:hover, .btn:hover{ background: rgba(var(--text-rgb),.14); text-decoration:none; }

.btnPrimary{
  border-color: rgba(201,162,39,.35);
  background: rgba(201,162,39,.16);
}
.btnPrimary:hover{ background: rgba(201,162,39,.22); }

.mini{ color: var(--muted); font-size: 12px; margin-top: 10px; }
.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-size: 12px; }

section{ margin-top: 18px; }
.sectionTitle{ display:flex; align-items:center; justify-content:space-between; gap: 12px; margin-bottom: 10px; }
.sectionTitle h2{ margin:0; font-size: 16px; letter-spacing: .2px; }
.sectionTitle .hint{ margin:0; font-size: 12px; color: var(--muted); }

.grid2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 900px){ .grid2{ grid-template-columns: 1fr; } }

ul{ margin: 10px 0 0; padding-left: 18px; }
li{ margin: 6px 0; color: var(--muted); }
li strong{ color: var(--text); font-weight: 700; }

.divider{ height: 1px; background: rgba(231,238,252,.12); margin: 12px 0; }
.divider{ height: 1px; background: rgba(var(--text-rgb),.12); margin: 12px 0; }
.muted{ color: var(--muted); }

.footer{
  margin-top: 22px; padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(22,26,40,.55);
  color: var(--muted);
  font-size: 12px;
}

.toast{
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  background: rgba(22,26,40,.9);
  border: 1px solid rgba(var(--text-rgb),.18);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
  font-size: 13px; z-index: 50;
}
.toast.show{ opacity: 1; }

/* Contact form small styles */
.contactForm { display:block; margin-top:10px; }
.contactForm .mini { display:block; margin-bottom:6px; }
.contactForm input, .contactForm textarea {
  width:100%; padding:7px 10px; margin-top:6px; border-radius:8px; border:1px solid rgba(var(--text-rgb),.10);
  box-sizing: border-box;
  max-width: 100%;
  background: rgba(255,255,255,0.02); color: var(--text); font-size:13px;
  line-height: 1.35;
}

.contactForm input::placeholder, .contactForm textarea::placeholder{
  color: var(--muted);
  opacity: 1;
}
.contactForm input:focus, .contactForm textarea:focus { outline: none; box-shadow: 0 0 0 3px rgba(201,162,39,.08); border-color: rgba(201,162,39,.30); }

@media print{
  body{ background: #fff; color:#000; }
  .top, .ctaRow, .toast, .footer{ display:none !important; }
  .card{ box-shadow:none; background:#fff; border:1px solid #ddd; }
  a{ color:#000; text-decoration:none; }
}

/* Logo */
.logo{ border-radius:10px; background:transparent; margin-right:8px; display:inline-block; vertical-align:middle }

/* Projects grid */
.projects-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 12px; }
.project-card{
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(var(--text-rgb),.10);
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.project-thumb{ height:96px; border-radius:8px; background:linear-gradient(135deg,#0b1220 0%, #142033 100%); display:flex; align-items:center; justify-content:center; color:var(--muted); font-weight:700; font-size:18px; }
.project-thumb img{ width:48px; height:48px; display:block; }
.project-title{ font-size: 14px; font-weight: 750; color: var(--text); line-height: 1.35; }
.project-meta{ font-size: 12px; color: var(--muted); }
.project-desc{ font-size: 13px; color: var(--muted); line-height: 1.6; flex:1; }
.project-tags{ display:flex; gap:6px; flex-wrap:wrap; margin-top:6px; }
.project-tag{ font-size:11px; padding:6px 8px; border-radius:999px; background:rgba(255,255,255,0.03); color:var(--muted); border:1px solid rgba(var(--text-rgb),.06); }

/* Publications */
.project-card.pub{
  border-left: 3px solid rgba(201,162,39,0.55);
}
.project-actions{
  display:flex;
  justify-content:flex-end;
  margin-top: 8px;
}
.project-actions .btn{
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
}



/* ===== LIGHT MODE VARIABLES ===== */
:root[data-theme="light"] {
  --bg: #f8f9fb;
  --card: rgba(255,255,255,.95);
  --text: #1a1d26;
  --muted: #5a5f7a;
  --accent: #9a7a10;

  --text-rgb: 26,29,38;
  --muted-rgb: 90,95,122;
  --accent-rgb: 154,122,16;

  --line: rgba(26,29,38,.12);
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}

/* Light mode body background */
:root[data-theme="light"] body,
[data-theme="light"] {
  background: 
    radial-gradient(1200px 600px at 15% -10%, rgba(var(--accent-rgb),.08), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(var(--muted-rgb),.06), transparent 55%),
    var(--bg) !important;
}

/* Light mode card adjustments */
[data-theme="light"] .card {
  background: var(--card) !important;
  border: 1px solid var(--line) !important;
}

[data-theme="light"] .top {
  background: var(--card) !important;
}

[data-theme="light"] .toast {
  background: rgba(255,255,255,.95) !important;
  color: var(--text) !important;
}

[data-theme="light"] .footer {
  background: rgba(248,249,251,.85) !important;
}

[data-theme="light"] .project-card {
  background: rgba(255,255,255,.8) !important;
}

[data-theme="light"] .contactForm input,
[data-theme="light"] .contactForm textarea {
  background: rgba(255,255,255,.9) !important;
  border: 1px solid rgba(26,29,38,.15) !important;
}

/* Theme toggle button style */
#themeToggle {
  font-size: 16px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== PRINT STYLES - RESPECT CURRENT THEME ===== */
@media print {
  /* Ensure proper colors in print */
  body {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color-adjust: exact !important;
  }
  
  /* Hide interactive elements */
  .top, .ctaRow, .toast, #themeToggle { display: none !important; }
  
  /* Force readable output */
  .card {
    box-shadow: none !important;
    page-break-inside: avoid;
  }
  
  /* Dark mode print */
  :root:not([data-theme="light"]) body {
    background: #12141c !important;
    color: #f0f0eb !important;
  }
  :root:not([data-theme="light"]) .card {
    background: rgba(22,26,40,.95) !important;
    border: 1px solid rgba(240,240,235,.14) !important;
  }
  
  /* Light mode print */
  :root[data-theme="light"] body {
    background: #f8f9fb !important;
    color: #1a1d26 !important;
  }
  :root[data-theme="light"] .card {
    background: #fff !important;
    border: 1px solid #ddd !important;
  }
}

/* Enhanced Mobile Styles */
@media (max-width: 600px) {
  .top {
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    gap: 8px;
    top: 6px;
  }
  .brand {
    justify-content: center;
    min-width: auto;
  }
  .nav {
    justify-content: center;
    gap: 4px;
  }
  .nav a {
    font-size: 11px;
    padding: 6px 8px;
  }
  .headshot {
    width: 64px;
    height: 64px;
  }
  .heroTop {
    flex-direction: column;
    text-align: center;
  }
  .heroIntro {
    text-align: center;
  }
  .chips {
    justify-content: center;
  }
  .h1 {
    font-size: 22px;
  }
  .ctaRow {
    justify-content: center;
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .top {
    padding: 8px;
    gap: 6px;
    border-radius: 10px;
  }
  .nav a {
    font-size: 10px;
    padding: 5px 6px;
  }
  .brand .name {
    font-size: 13px;
  }
  .brand .role {
    font-size: 11px;
  }
}

/* Professional Footer */
.footer {
  margin-top: 32px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-text {
  color: var(--muted);
  font-size: 13px;
  max-width: 50ch;
  line-height: 1.5;
  margin: 0;
}

.footer-socials {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(var(--text-rgb), 0.04);
  color: var(--muted);
  transition: all 0.2s ease;
}

.footer-socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  transform: translateY(-2px);
}

.footer-socials svg {
  width: 20px;
  height: 20px;
}

.footer-copy {
  color: var(--muted);
  font-size: 11px;
  opacity: 0.7;
  margin: 0;
}

@media (max-width: 600px) {
  .footer {
    padding: 18px;
    margin-top: 24px;
  }
  .footer-socials a {
    width: 36px;
    height: 36px;
  }
  .footer-socials svg {
    width: 18px;
    height: 18px;
  }
}

/* Heartbeat Divider */
.heartbeat-divider {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 32px 0;
  padding: 0 20px;
}

.heartbeat-svg {
  width: 100%;
  max-width: 500px;
  height: 60px;
  color: var(--accent);
  opacity: 0.4;
}

@media (max-width: 600px) {
  .heartbeat-svg {
    max-width: 300px;
    height: 40px;
  }
  .heartbeat-divider {
    margin: 24px 0;
  }
}