/* Google Fonts - Inter for modern look */
@import url("/?originalUrl=https%3A%2F%2Ffonts.googleapis.com%2Fcss2%3Ffamily%3DInter%3Awght%40300%3B400%3B500%3B600%3B700%26display%3Dswap");

/* CSS Variables for easy theming */
:root {
  --primary-color: #1a73e8;
  --primary-hover: #1557b0;
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --background: #ffffff;
  --card-background: #f8f9fa;
  --border-color: #e8eaed;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
  --max-width: 900px;
  --border-radius: 12px;
}

/* Reset and Base */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--background);
  margin: 0;
  padding: 20px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover, a:focus {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Typography */
td, th, tr, p, a, strong {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
}

strong {
  font-weight: 700;
}

/* Name styling */
name {
  font-family: 'Inter', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: block;
}

/* Section headings */
heading {
  font-family: 'Inter', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-block;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--primary-color);
}

/* Paper titles */
papertitle {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

/* Profile photo */
.hoverZoomLink {
  border-radius: var(--border-radius);
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow);
}

.hoverZoomLink:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

/* Paper cards styling */
table tr {
  transition: background-color var(--transition);
}

/* Video and image styling */
video, img {
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  cursor: pointer;
}

video {
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* Hover zoom effect for paper thumbnails */
td[style*="width:25%"] video,
td[style*="width:25%"] img,
td[width="25%"] video,
td[width="25%"] img {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

td[style*="width:25%"] video:hover,
td[style*="width:25%"] img:hover,
td[width="25%"] video:hover,
td[width="25%"] img:hover {
  transform: scale(2.5);
  box-shadow: 0 12px 35px rgba(0,0,0,0.25);
  z-index: 10;
  position: relative;
}

video:hover, td img:hover {
  box-shadow: var(--shadow-hover);
}

/* Social icons styling */
.social-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 15px;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--card-background);
  color: var(--text-secondary);
  font-size: 18px;
  transition: all var(--transition);
  text-decoration: none;
}

.social-icons a:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.social-icons a .ai {
  font-size: 20px;
}

/* Experience section styling */
table[width="90%"] p {
  padding: 16px 20px;
  margin: 12px 0;
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  transition: transform var(--transition), box-shadow var(--transition);
}

table[width="90%"] p:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

/* Conference/venue tags */
em {
  color: var(--text-secondary);
  font-style: normal;
  font-weight: 400;
}

em strong {
  font-weight: 700;
}

/* Conference badge on thumbnails */
.paper-thumbnail {
  position: relative;
  display: inline-block;
}

.conference-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: linear-gradient(135deg, var(--primary-color), #1557b0);
  color: white;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  z-index: 5;
}

/* Zoom button for mobile */
.zoom-btn {
  display: none;
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.6);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  font-size: 16px;
  cursor: pointer;
  z-index: 5;
  align-items: center;
  justify-content: center;
}

@media screen and (max-width: 768px) {
  .zoom-btn {
    display: flex;
  }
}

/* Oral highlight */
font[color="red"] strong {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Footer */
p[style*="font-size:small"] {
  color: var(--text-secondary);
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

/* Animation utilities */
.one, .two {
  width: 160px;
  height: 160px;
  position: relative;
}

.two {
  position: absolute;
  transition: opacity 0.3s ease-in-out;
}

.fade {
  transition: opacity 0.3s ease-in-out;
}

span.highlight {
  background-color: #fff3cd;
  padding: 2px 6px;
  border-radius: 4px;
}

/* ========================================
   RESPONSIVE DESIGN - Mobile Optimization
   ======================================== */

/* Tablets and smaller */
@media screen and (max-width: 900px) {
  body {
    padding: 15px;
  }
  
  name {
    font-size: 2rem;
  }
}

/* Mobile devices */
@media screen and (max-width: 768px) {
  body {
    padding: 12px;
    font-size: 14px;
  }
  
  td, th, tr, p, a, strong {
    font-size: 14px;
  }
  
  name {
    font-size: 1.75rem;
    text-align: center;
  }
  
  heading {
    font-size: 1.2rem;
  }
  
  papertitle {
    font-size: 14px;
  }
  
  /* Stack profile section vertically */
  table[style*="max-width:800px"] > tbody > tr > td > table:first-of-type > tbody > tr {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
  }
  
  table[style*="max-width:800px"] > tbody > tr > td > table:first-of-type > tbody > tr > td {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px !important;
    text-align: center;
  }
  
  /* Profile photo on mobile */
  table[style*="max-width:800px"] > tbody > tr > td > table:first-of-type > tbody > tr > td:last-child {
    max-width: 180px !important;
    margin-bottom: 15px;
  }
  
  /* Consistent padding for all content sections */
  table[width="100%"] td,
  table[style*="width:100%"] td {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  
  /* News section alignment */
  table[width="90%"] {
    width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* Paper entries - stack vertically */
  table > tbody > tr > td[style*="width:25%"],
  table > tbody > tr > td[width="25%"] {
    display: block;
    width: 100% !important;
    text-align: center;
    padding: 15px 15px 5px !important;
  }
  
  table > tbody > tr > td[width="75%"],
  table > tbody > tr > td[valign="middle"]:not([width="100%"]) {
    display: block;
    width: 100% !important;
    padding: 5px 15px 20px !important;
    text-align: left;
  }
  
  /* Videos on mobile */
  video {
    width: 100% !important;
    max-width: 280px;
    height: auto !important;
  }
  
  /* Images on mobile */
  td img[width="180"] {
    width: 100% !important;
    max-width: 280px;
    height: auto !important;
  }
  
  /* Social icons on mobile */
  .social-icons {
    gap: 10px;
  }
  
  .social-icons a {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
  
  /* Disable hover zoom on mobile, use click modal instead */
  td[style*="width:25%"] video:hover,
  td[style*="width:25%"] img:hover,
  td[width="25%"] video:hover,
  td[width="25%"] img:hover {
    transform: none;
    box-shadow: var(--shadow);
  }
  
  /* Paper thumbnail container on mobile */
  .paper-thumbnail {
    position: relative;
  }
  
  .paper-thumbnail video,
  .paper-thumbnail img {
    cursor: pointer;
    transition: opacity 0.2s ease;
  }
  
  .paper-thumbnail video:active,
  .paper-thumbnail img:active {
    opacity: 0.8;
  }
  
  /* Experience cards on mobile */
  table[width="90%"] p {
    padding: 14px 16px;
    margin: 10px 0;
  }
  
  /* Footer on mobile */
  p[style*="font-size:small"] {
    text-align: center !important;
    font-size: 12px;
  }
}

/* Small mobile devices */
@media screen and (max-width: 480px) {
  body {
    padding: 10px;
  }
  
  name {
    font-size: 1.5rem;
  }
  
  heading {
    font-size: 1.1rem;
  }
  
  td, th, tr, p, a, strong, papertitle {
    font-size: 13px;
  }
  
  /* Tighter spacing */
  table[style*="padding:20px"] td {
    padding: 12px 8px !important;
  }
  
  p[style*="text-align:center"] a {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  video, td img[width="180"] {
    max-width: 100%;
  }
}

/* Ensure tables don't overflow */
table {
  table-layout: auto;
}

@media screen and (max-width: 768px) {
  table {
    width: 100% !important;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
  
  video {
    display: none;
  }
}