@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined');


:root{
  --search-box-max-width: 600px; /* standard: 600px */
  --search-box-focus-shadow:0 4px 10px rgba(74,144,226,0.3);
  
  --focus-color: rgb(74,144,226);

  --search-box-font-size: 18px;

  --gap-between-papers: 15px;
  --paper-title-font-size: 20px; 
  --paper-title-margin-bottom: 15px; 
  --paper-detail-font-size: 13px;
  --paper-detail-margin-bottom: 10px;
  --paper-detail-line-height: 1.3;
  
  --team-name-font-size: 40px;
  --team-name-margin-bottom: 16px;

    --team-description-font-size: 16px;
    --team-description-margin-bottom: 32px;

    --gap-between-members: 30px;

    --member-image-max-height: 300px;
    --member-image-max-width: 250px;
    --member-image-margin-bottom: 10px;

    --member-name-font-size: 20px;
    --member-name-margin-bottom: 5px; 

    --member-title-font-size: 16px; 
    --member-title-margin-bottom: 5px;

    --email-icon-scale: 1;
    --email-icon-color: white;
    --email-icon-hover-color: rgb(167, 229, 255);
}
body {
  font-family: 'Inter', Arial, sans-serif;
  background: #ffffff;
  color: #333;
  margin: 30px;
  min-height: 100vh;
  
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0 0 0 0;
  line-height: 1.4;
}

button {
  padding: 12px 20px;
  background-color: #ffffff;
  border: none;
  border-radius: 10px;
  color: #333;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.15);
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}

#search-bar-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  max-width: var(--search-box-max-width);
  margin: 0 auto 40px auto;
  padding: 0px;
}


/* Wrapper for layout spacing */
#year-filter-wrapper {
  position: relative;
  font-family: 'Inter', sans-serif;
}

/* Dropdown button styling */
/* don't change name without checking js*/
#year-filter-button{
  font-size: var(--search-box-font-size);
  min-width: 160px;
}

#year-filter-button:focus,
#year-filter-button:hover{
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  outline: none;
}


#year-filter-button[aria-expanded="true"]{
  color: rgba(0, 0, 0, 0.7) !important;
  background-color: #f9f9f9;
  border-color: var(--search-box-focus-border-color) !important;
  box-shadow: var(--search-box-focus-shadow) !important;
}


/* Arrow icon */
/* Initial state — arrow points right */
#year-filter-button .arrow {
  margin-left: 8px;
  transform: rotate(-90deg); /* Right-facing */
  transition: transform 0.3s ease;
}

/* Expanded state — arrow points down */
#year-filter-button[aria-expanded="true"] .arrow {
  transform: rotate(0deg); /* Downward */
}

/* Dropdown list styling */
/* don't change name without checking js*/
#year-filter-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #ffffff;
  border: none;
  border-radius: 10px;
  margin-top: 6px;
  padding: 0;
  list-style: none;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  max-height: 300px;
  overflow-y: auto;
  transition: opacity 0.2s ease, transform 0.2s ease;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}

/* Visible state — add this with JS when dropdown is open */
#year-filter-list.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Dropdown items */
#year-filter-list li {
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}

#year-filter-list li:hover,
#year-filter-list li:focus {
  background-color: #f0f0f0;
}

#year-filter-list li[aria-selected="true"] {
  background-color: rgb(204, 51, 102);
  color: white;
}

/* don't change name without checking js*/
#search-box {
  width: 100%;
  max-width: var(--search-box-max-width) !important;
  padding: 12px 20px;
  font-size: 18px; 
  /* border: 1px solid #ccc; */
  border: none;
  border-radius: 10px;
  box-shadow: 0 1px 5px rgba(0,0,0,0.15) !important;
  background: #fff;
  color: #333;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#search-box:focus {
  border-color: var(--search-box-focus-border-color) !important;
  box-shadow: var(--search-box-focus-shadow) !important;
}
#search-box:focus::placeholder {
  opacity: 0.4;
  transition: opacity 0.2s ease;
}

.material-symbols-outlined {
  padding: 7px 10px;
  font-variation-settings:
  'FILL' 0,
  'wght' 400,
  'GRAD' 0,
  'opsz' 24;
  cursor: pointer;
  color: black;
  transition: 
    color 0.2s;
}

.material-symbols-outlined:hover {
  transform: scale(1.1);
  color: white;
}

#download-button {
  padding: 0px 0px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease, transform 0.15s ease;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

#download-button .material-symbols-outlined {
  font-size: 24px;
  color: #333;
  transition: color 0.2s ease, transform 0.2s ease;
}

#download-button:hover {
  background: rgb(204, 51, 102);
  transform: translateY(-2px); 
}

#download-button:hover .material-symbols-outlined {
  color: #ffffff;
  transform: scale(1.1);
}


#download-menu {
  display: none; 

  position: absolute;
  z-index: 1000; 
  margin-top: 10px;
  
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  width: 180px;
  padding: 8px;
  
  display: flex;
  flex-direction: column;
  gap: 5px;
}

#download-json,
#download-csv {
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: none;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
  border-radius: 4px; 
  transition: background-color 0.2s ease, color 0.2s ease;
  color: #333;
}


#download-json:hover,
#download-json:focus,
#download-csv:hover,
#download-csv:focus {
  background-color: rgb(204, 51, 102); 
  color: white;
  outline: none;
}


#papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 32%)) !important;
  gap: var(--gap-between-papers);
  max-width: 100%; 
  margin: 0 auto;
  justify-content: center;
}

/* don't change name without checking js*/
.paper-card {
  position: relative;
  background: #fff;
  border-radius: 15px;
  padding: 25px 30px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08) !important;
  transition: 
    transform 0.4s ease, 
    opacity 0.3s ease,
    box-shadow 0.4s ease;
  cursor: pointer;
  text-align: center;
}

.paper-card:hover {
  will-change: transform;
  box-shadow: 0 10px 25px rgba(74,144,226,0.2) !important;
  transform: translateY(-5px) scale(1.02);
  color: #1a1a1a;
  position: relative;
}


/* don't change name without checking js*/
.paper-title {
  font-weight: 600;
  font-size: var(--paper-title-font-size) !important;
  line-height: 1.2;
  margin-bottom: var(--paper-title-margin-bottom) !important;
  color: rgb(161, 30, 59);
  font: Arial, sans-serif;
}

/* don't change name without checking js*/
.paper-detail {
  font-weight: 100;
  font-size: var(--paper-detail-font-size) !important;
  line-height: var(--paper-detail-line-height) !important;
  margin-bottom: var(--paper-detail-margin-bottom) !important;
  color: rgb(50, 65, 75);  /* light grey for all paper details */
  font: Arial;
}

/* don't change name without checking js*/
.paper-detail.authors {
  font-style: normal;
  color: #555;
}

/* don't change name without checking js*/
.paper-detail.journal-info {
  font-style: italic;
  color: #555;
}

/* don't change name without checking js*/
.paper-detail.publisher {
  font-style: normal;
  color: #555;
}

/* don't change name without checking js*/
.paper-detail:last-child {
  margin-bottom: 0;
}

#teams {
    padding: 20px;
    background-color: rgba(161, 30, 59, 1);
    display: flex;
    flex-direction: column;
    gap: 200px;
}

.team {
    max-width: calc(var(--member-image-max-width) * 4 + var(--gap-between-members) * 3);
    display: flex;
    flex-direction: column;
    align-self: center;
    color: #fff;
}

.team-name {
    font-weight: 100;
    font-size: var(--team-name-font-size);
    margin-bottom: var(--team-name-margin-bottom);
    margin-top: 0;

}

.team-description {
    font-family: Arial, sans-serif;
    font-weight: 600;
    font-size: var(--team-description-font-size);
    margin-bottom: var(--team-description-margin-bottom);
    margin-top: 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 250px)) !important;
    gap: var(--gap-between-members);
    max-width: 100%;
}


.team-member {
    display: flex;
    flex-direction: column;
    justify-content: left;
    position: relative;
    text-align: left;
    background: rgba(0, 0, 0, 0);
}

.member-image {
    max-width: 250;
    max-height: 300;
    flex: auto;
    margin-bottom: var(--member-image-margin-bottom);
    margin-top: 0;
}

.member-name {
    font-weight: 600;
    font-size: var(--member-name-font-size) !important;
    line-height: 1.2;
    margin-bottom: var(--member-name-margin-bottom)!important;
    margin-top: 0;
    color: #fff;
    text-transform: uppercase;
}

/* don't change name without checking js*/
.member-title {
    font-weight: 400;
    font-size: var(--member-title-font-size) !important;
    line-height: 1.2;
    margin-bottom: var(--member-title-margin-bottom) !important;
    margin-top: 0;
    color: #fff;
    text-transform: uppercase;
}

.email-wrapper,
.email-link {
    background-color: transparent !important;
    margin: 0 !important;
    border: 0 !important;
    display: inline-block;
    line-height: 20px !important;
}
.email-wrapper {
    padding: 5px 0 0 0;
    font-size: 0;
    overflow: hidden;
}
.email-link {
    cursor: pointer;
    text-decoration: none;
    text-transform: lowercase;
    transition-duration: 0.3s;
}

.material-symbols-outlined {
	padding: 0;
    font-variation-settings:
    'FILL' 0,
    'wght' calc(400 * var(--email-icon-scale)),
    'GRAD' 0,
    'opsz' calc(24 * var(--email-icon-scale));
    font-size: calc(24px * var(--email-icon-scale));
    cursor: pointer;
    color: var(--email-icon-color);
    transition: 
    transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.2s;
}

.material-symbols-outlined:hover {
    transform: scale(1.1);
    color: var(--email-icon-hover-color);
}