/* =============================================
   Publications Page Styles
   ============================================= */

/* Filter Bar */
.pub-filter-section {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-sm);
  margin-top: 0;
}

.pub-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: center;
}

.pub-filter-btn {
  padding: 8px 20px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all 0.3s ease;
}

.pub-filter-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

.pub-filter-btn.active {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

/* Publications List Section */
.pub-list-section {
  background: var(--color-bg-alt);
  padding-top: var(--spacing-xl) !important;
  padding-bottom: var(--spacing-2xl) !important;
}

/* Year Group */
/* .pub-year-group {
  margin-bottom: var(--spacing-3xl);
} */

.pub-year-group:last-child {
  margin-bottom: 0;
}

.pub-year-label {
  margin-bottom: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  position: relative;
}
.pub-year-group:first-child .pub-year-label {
  margin-top: 4px;
}

.pub-year-label::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, transparent 100%);
  z-index: 0;
}

.pub-year-label span {
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: 700;
  position: relative;
  z-index: 1;
  display: inline-block;
}

/* Publication Card */
.pub-card {
  display: flex;
  background: transparent;
  border-radius: var(--radius-md);
  box-shadow: none;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.pub-card::before {
  content: none;
}

/* Publication Card Thumbnail */
.pub-card-thumb {
  flex-shrink: 0;
  width: 64px;
  min-width: 64px;
  max-width: 64px;
  height: 64px;
  min-height: 64px;
  max-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  overflow: hidden;
}

.pub-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  object-position: center;
  display: block;
  border-radius: 4px;
}

.pub-card:hover {
  background-color: #fbfbed;
  background-image: -webkit-gradient(linear, 0% 50%, 100% 50%, from(#ffffff), to(#fbfbed));
  background-image: -moz-linear-gradient(50% 0% 180deg, #fbfbed, #ffffff);
  background-image: linear-gradient(90deg, #ffffff 0%, #fbfbed 100%);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
  transform: translateX(4px);
}

.pub-card:last-child {
  margin-bottom: 0;
}

.pub-card-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.4rem;
  row-gap: 0.15rem;
  padding: 0.4rem 0.6rem;
  padding-top: 0px !important;
  flex: 1;
  padding-bottom: 0.7rem !important;
}

.pub-card-badge {
  display: inline-flex;
  align-items: center;
  order: 4;
  padding: 3px 12px;
  background: rgba(0, 51, 102, 0.1);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pub-card-badge.journal-badge {
  background: rgba(212, 165, 116, 0.15);
  color: #8b6914;
}

.pub-card-badge.patent-badge {
  background: rgba(212, 165, 116, 0.2);
  color: var(--color-accent-hover);
}

.pub-card-title {
  order: 1;
  flex-basis: 100%;
  color: var(--color-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0rem;
}

.pub-card-authors {
  order: 2;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
  font-weight: 500;
  display: inline;
  flex: 0 1 auto;
  width: auto;
}

.pub-card-authors::after {
  content: ", ";
}

.pub-card-venue {
  order: 2;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-style: italic;
  margin-bottom: 0;
  display: inline;
  flex: 0 1 auto;
  width: auto;
}

.pub-card-links {
  order: 5;
  flex-basis: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 0.1rem;
  padding-left: 0.95rem;
}

.pub-card-links::before {
  content: "\25CB";
  color: var(--color-text-light);
  font-size: 0.72rem;
  margin-right: 0.45rem;
  line-height: 1;
}

.pub-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 2px 0;
  margin-right: 0.45rem;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 2px;
  border: none;
  transition: color 0.2s ease, background-color 0.2s ease, background-image 0.2s ease;
  text-decoration: underline;
  text-underline-offset: 2px;
  line-height: 1.35;
}

.pub-link + .pub-link {
  padding-left: 0.7rem;
}

.pub-link + .pub-link::before {
  content: "|";
  color: var(--color-text-light);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.pub-link:hover {
  color: var(--color-primary);
  background-color: #fbfbed;
  background-image: -webkit-gradient(linear, 0% 50%, 100% 50%, from(#ffffff), to(#fbfbed));
  background-image: -moz-linear-gradient(50% 0% 180deg, #fbfbed, #ffffff);
  background-image: linear-gradient(90deg, #ffffff 0%, #fbfbed 100%);
}


@media (max-width: 992px) {
  .pub-card-thumb {
    width: 64px;
    min-width: 64px;
    max-width: 64px;
    height: 64px;
    min-height: 64px;
    max-height: 64px;
  }
}

@media (max-width: 768px) {
  .pub-filter-bar {
    gap: 6px;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .pub-filter-bar::-webkit-scrollbar {
    height: 6px;
  }

  .pub-filter-bar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 999px;
  }

  .pub-filter-btn {
    padding: 6px 14px;
    font-size: 0.75rem;
    white-space: nowrap;
  }

  .pub-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.35rem;
    padding: 0.3rem 0.2rem;
  }

  .pub-card-thumb {
    width: 64px;
    min-width: 64px;
    max-width: 64px;
    height: 64px;
    min-height: 64px;
    max-height: 64px;
    padding: 0;
  }

  .pub-card-thumb img {
    max-height: 100%;
    border-radius: 3px;
  }

  .pub-card-body {
    padding: 0.2rem 0.25rem 0.3rem;
    padding-bottom: 0.5rem !important;
    min-width: 0;
  }

  .pub-card-title {
    font-size: 0.86rem;
    line-height: 1.35;
    margin-bottom: 0.2rem;
  }

  .pub-card-authors,
  .pub-card-venue {
    font-size: 0.74rem;
    line-height: 1.35;
  }

  .pub-link {
    font-size: 0.72rem;
    padding: 2px 0;
    margin-right: 0.35rem;
  }

  .pub-link + .pub-link {
    padding-left: 0.55rem;
  }

  .pub-card-links {
    padding-left: 0.45rem;
  }

  .pub-year-label span {
    font-size: var(--font-size-lg);
    padding: 6px 18px;
  }
}

@media (max-width: 480px) {
  .pub-list-section {
    padding-top: var(--spacing-lg) !important;
  }

  .pub-card-body {
    padding: 0.15rem 0.15rem 0.25rem;
    padding-bottom: 0.5rem !important;
  }

  .pub-card-thumb {
    width: 64px;
    min-width: 64px;
    max-width: 64px;
    height: 64px;
    min-height: 64px;
    max-height: 64px;
  }

  .pub-card-title {
    font-size: 0.82rem;
  }

  .pub-link {
    font-size: 0.68rem;
    padding: 2px 0;
    margin-right: 0.3rem;
  }

  .pub-link + .pub-link {
    padding-left: 0.5rem;
  }

  .pub-filter-btn {
    padding: 5px 10px;
    font-size: 0.7rem;
  }
}