/* ============================================
   NTUA Alumni - Full-screen Search Overlay
   ============================================ */

/* Search trigger button (replaces WordPress search widget) */
.ntua-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 14px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 4px;
  transition: color 0.2s;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-trigger:hover {
  color: #C5A572;
}

.ntua-search-trigger svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Overlay backdrop */
.ntua-search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 27, 50, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999999;
  display: none;
  flex-direction: column;
  padding: 60px 24px 40px;
  opacity: 0;
  transition: opacity 0.25s ease;
  overflow-y: auto;
}

.ntua-search-overlay.is-open {
  display: flex;
  opacity: 1;
}

/* Close button (top-right) */
.ntua-search-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 24px;
  line-height: 1;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-close:hover {
  background-color: #C5A572;
  color: #1B3A6B;
  border-color: #C5A572;
  transform: rotate(90deg);
}

/* Search input container */
.ntua-search-input-wrap {
  max-width: 720px;
  margin: 40px auto 0;
  width: 100%;
  position: relative;
}

.ntua-search-input-wrap::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23C5A572'><path d='M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/></svg>");
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
  z-index: 2;
}

.ntua-search-input {
  width: 100%;
  padding: 22px 60px 22px 60px;
  background-color: #FFFFFF;
  border: 3px solid transparent;
  border-radius: 12px;
  color: #1B3A6B;
  font-size: 22px;
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.ntua-search-input:focus {
  outline: none;
  border-color: #C5A572;
  box-shadow: 0 0 0 6px rgba(197, 165, 114, 0.25);
}

.ntua-search-input::placeholder {
  color: #8A92A8;
  font-style: italic;
}

.ntua-search-clear {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: #8A92A8;
  font-size: 22px;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.ntua-search-clear.is-visible {
  display: flex;
}

.ntua-search-clear:hover {
  background-color: #F1EEE6;
  color: #1B3A6B;
}

/* Status text */
.ntua-search-status {
  max-width: 720px;
  margin: 16px auto 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  min-height: 22px;
}

.ntua-search-status strong {
  color: #C5A572;
}

/* Results area */
.ntua-search-results {
  max-width: 1000px;
  margin: 32px auto 0;
  width: 100%;
}

.ntua-search-results-group {
  margin-bottom: 36px;
}

.ntua-search-group-title {
  color: #C5A572;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: bold;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(197, 165, 114, 0.3);
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-results-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}

.ntua-search-result {
  display: flex;
  gap: 14px;
  padding: 16px;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  cursor: pointer;
  align-items: flex-start;
}

.ntua-search-result:hover {
  background-color: rgba(197, 165, 114, 0.15);
  border-color: #C5A572;
  transform: translateY(-2px);
}

.ntua-search-result-thumb {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 8px;
  overflow: hidden;
  background-color: rgba(197, 165, 114, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #C5A572;
  font-size: 24px;
  font-weight: bold;
}

.ntua-search-result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ntua-search-result-content {
  flex: 1;
  min-width: 0;
}

.ntua-search-result-title {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px 0;
  line-height: 22px;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-result-excerpt {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  line-height: 18px;
  margin: 0 0 6px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-result-date {
  color: rgba(197, 165, 114, 0.7);
  font-size: 12px;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-empty {
  text-align: center;
  padding: 60px 20px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-empty strong {
  color: #C5A572;
}

.ntua-search-loading {
  text-align: center;
  padding: 40px 20px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-family: Arial, Helvetica, sans-serif;
}

.ntua-search-loading::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border: 2px solid rgba(197, 165, 114, 0.3);
  border-top-color: #C5A572;
  border-radius: 50%;
  animation: ntua-spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes ntua-spin {
  to { transform: rotate(360deg); }
}

/* Body scroll lock when overlay open */
body.ntua-search-open {
  overflow: hidden;
}

/* Responsive */
@media (max-width: 768px) {
  .ntua-search-overlay {
    padding: 50px 16px 30px;
  }
  
  .ntua-search-close {
    top: 12px;
    right: 16px;
    width: 38px;
    height: 38px;
    font-size: 20px;
  }
  
  .ntua-search-input {
    padding: 16px 50px;
    font-size: 18px;
  }
  
  .ntua-search-input-wrap::before {
    left: 16px;
    width: 18px;
    height: 18px;
  }
  
  .ntua-search-results-list {
    grid-template-columns: 1fr;
  }
  
  .ntua-search-result-thumb {
    width: 48px;
    height: 48px;
  }
}