@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Roboto+Condensed:wght@400;600;700&display=swap");

:root {
  --lacw-navy: #054883;
  --lacw-blue: #10a1d6;
  --lacw-blue-dark: #0d8ab8;
  --lacw-bg: #f4f7fb;
  --lacw-surface: #ffffff;
  --lacw-text: #1a2b3c;
  --lacw-muted: #5c6f82;
  --lacw-border: #dce5ef;
  --lacw-shadow: 0 8px 30px rgba(5, 72, 131, 0.08);
  --lacw-radius: 12px;
  --lacw-max: 1100px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--lacw-text);
  background: var(--lacw-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--lacw-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--lacw-navy);
}

.proceedings-header {
  background: linear-gradient(135deg, var(--lacw-navy) 0%, var(--lacw-blue) 100%);
  color: #fff;
  padding: 2.5rem 1.5rem 3rem;
}

.proceedings-header__inner {
  max-width: var(--lacw-max);
  margin: 0 auto;
}

.proceedings-header__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.proceedings-header__logo img {
  max-height: 72px;
  width: auto;
  filter: brightness(0) invert(1);
}

.proceedings-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
}

.proceedings-header__back:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.proceedings-header h1 {
  font-family: "Roboto Condensed", sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.proceedings-header__subtitle {
  margin: 0;
  font-size: 1.05rem;
  opacity: 0.92;
  max-width: 42rem;
}

.proceedings-header__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.proceedings-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.proceedings-main {
  max-width: var(--lacw-max);
  margin: -1.75rem auto 3rem;
  padding: 0 1.5rem;
}

.proceedings-toolbar {
  background: var(--lacw-surface);
  border: 1px solid var(--lacw-border);
  border-radius: var(--lacw-radius);
  box-shadow: var(--lacw-shadow);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.proceedings-search {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.proceedings-search input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border: 1px solid var(--lacw-border);
  border-radius: 8px;
  font: inherit;
  font-size: 0.95rem;
  color: var(--lacw-text);
  background: var(--lacw-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.proceedings-search input:focus {
  outline: none;
  border-color: var(--lacw-blue);
  box-shadow: 0 0 0 3px rgba(16, 161, 214, 0.2);
}

.proceedings-search::before {
  content: "";
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%235c6f82'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.proceedings-stats {
  font-size: 0.875rem;
  color: var(--lacw-muted);
  font-weight: 500;
}

.proceedings-stats strong {
  color: var(--lacw-navy);
}

.proceedings-section {
  margin-bottom: 2.5rem;
}

.proceedings-section__title {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--lacw-navy);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--lacw-blue);
  display: inline-block;
}

.proceedings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.proceedings-card {
  background: var(--lacw-surface);
  border: 1px solid var(--lacw-border);
  border-radius: var(--lacw-radius);
  box-shadow: var(--lacw-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}

.proceedings-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(5, 72, 131, 0.12);
  border-color: var(--lacw-blue);
}

.proceedings-card a {
  display: block;
  padding: 1.15rem 1.25rem;
  color: inherit;
  text-decoration: none;
}

.proceedings-card a:hover {
  color: inherit;
}

.proceedings-card__id {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--lacw-blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.proceedings-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--lacw-navy);
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.proceedings-card__meta {
  font-size: 0.8rem;
  color: var(--lacw-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.proceedings-card__type {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: var(--lacw-bg);
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.proceedings-card.is-hidden {
  display: none;
}

.proceedings-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--lacw-surface);
  border: 1px dashed var(--lacw-border);
  border-radius: var(--lacw-radius);
  color: var(--lacw-muted);
}

.proceedings-empty--search {
  display: none;
}

.proceedings-empty--search.is-visible {
  display: block;
}

.proceedings-footer {
  background: var(--lacw-navy);
  color: rgba(255, 255, 255, 0.85);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.proceedings-footer a {
  color: #fff;
  font-weight: 500;
}

.proceedings-footer a:hover {
  opacity: 0.9;
  color: #fff;
}

.proceedings-footer p {
  margin: 0.35rem 0;
}

.proceedings-landing {
  max-width: var(--lacw-max);
  margin: 2.5rem auto 3rem;
  padding: 0 1.5rem;
}

.proceedings-landing__intro {
  font-size: 1rem;
  color: var(--lacw-muted);
  margin: 0 0 1.5rem;
  font-weight: 500;
}

.proceedings-editions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.proceedings-edition-card {
  display: flex;
  flex-direction: column;
  background: var(--lacw-surface);
  border: 1px solid var(--lacw-border);
  border-radius: var(--lacw-radius);
  box-shadow: var(--lacw-shadow);
  padding: 1.75rem 1.5rem 1.4rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

.proceedings-edition-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--lacw-blue);
  opacity: 0.5;
  transition: opacity 0.2s;
}

.proceedings-edition-card--active::before {
  background: linear-gradient(90deg, var(--lacw-navy), var(--lacw-blue));
  opacity: 1;
}

.proceedings-edition-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(5, 72, 131, 0.14);
  border-color: var(--lacw-blue);
  color: inherit;
}

.proceedings-edition-card:hover::before {
  opacity: 1;
}

.proceedings-edition-card__year {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--lacw-navy);
  line-height: 1;
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
}

.proceedings-edition-card--active .proceedings-edition-card__year {
  background: linear-gradient(135deg, var(--lacw-navy), var(--lacw-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.proceedings-edition-card__label {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--lacw-text);
  margin-bottom: 0.4rem;
}

.proceedings-edition-card__desc {
  font-size: 0.875rem;
  color: var(--lacw-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}

.proceedings-edition-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--lacw-border);
  padding-top: 0.9rem;
  margin-top: auto;
}

.proceedings-edition-card__note {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--lacw-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.proceedings-edition-card--active .proceedings-edition-card__note {
  color: var(--lacw-navy);
}

.proceedings-edition-card__arrow {
  font-size: 1.1rem;
  color: var(--lacw-blue);
  font-weight: 700;
  transition: transform 0.2s;
}

.proceedings-edition-card:hover .proceedings-edition-card__arrow {
  transform: translateX(4px);
}

.proceedings-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--lacw-blue);
  color: #fff !important;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.2s;
}

.proceedings-btn:hover {
  background: var(--lacw-blue-dark);
  color: #fff !important;
}

@media (max-width: 640px) {
  .proceedings-header {
    padding: 1.75rem 1rem 2.5rem;
  }

  .proceedings-main {
    margin-top: -1.25rem;
    padding: 0 1rem;
  }

  .proceedings-grid {
    grid-template-columns: 1fr;
  }

  .proceedings-landing {
    margin-top: 1.75rem;
    padding: 0 1rem;
  }

  .proceedings-editions {
    grid-template-columns: 1fr;
  }
}