/**
 * Enhanced Search Page Styles
 */

/* ==================== Search Page Container ==================== */
.search-page {
  max-width: var(--nav-width);
  margin: 0 auto;
  padding: calc(var(--gap) * 2) var(--gap);
}

.search-section {
  margin-top: calc(var(--gap) * 3);
}

.search-container {
  max-width: 900px;
  margin: 0 auto;
}

/* ==================== Search Box ==================== */
.search-box {
  padding: calc(var(--gap) * 1.5);
  margin-bottom: calc(var(--gap) * 2);
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-icon {
  width: 24px;
  height: 24px;
  color: var(--tertiary);
  flex-shrink: 0;
}

#searchInput {
  flex: 1;
  padding: 12px 40px 12px 12px;
  font-size: var(--text-lg);
  font-family: var(--font-sans);
  color: var(--primary);
  background: transparent;
  border: none;
  outline: none;
}

#searchInput::placeholder {
  color: var(--tertiary);
}

#searchInput:focus::placeholder {
  opacity: 0.5;
}

.search-clear {
  width: 32px;
  height: 32px;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--code-bg);
  color: var(--secondary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.search-clear:hover {
  background: var(--accent);
  color: white;
}

.search-clear svg {
  width: 16px;
  height: 16px;
}

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

.search-stats {
  margin-top: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--secondary);
  display: none;
}

.search-stats.visible {
  display: block;
}

/* ==================== Search History ==================== */
.search-history {
  padding: calc(var(--gap) * 1.5);
  margin-bottom: calc(var(--gap) * 2);
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--gap);
}

.history-header h3 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--primary);
  margin: 0;
}

.history-clear {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--tertiary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.history-clear:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.05);
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.history-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--code-bg);
  color: var(--secondary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.history-item:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
}

.history-item svg {
  width: 14px;
  height: 14px;
}

/* ==================== Search Results ==================== */
.search-results {
  display: grid;
  gap: var(--gap);
}

.search-result {
  padding: calc(var(--gap) * 1.5);
  text-decoration: none;
  display: block;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.search-result:hover {
  transform: translateY(-2px);
}

.search-result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.search-result-date {
  font-size: var(--text-xs);
  color: var(--tertiary);
  font-weight: var(--font-medium);
}

.search-result-tags {
  display: flex;
  gap: 6px;
}

.search-result-tag {
  padding: 3px 8px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.search-result-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--primary);
  margin: 0 0 8px;
  line-height: 1.3;
}

.search-result:hover .search-result-title {
  color: var(--accent);
}

.search-result-excerpt {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-excerpt mark {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent);
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  font-weight: var(--font-medium);
}

.search-result-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--border);
}

.search-result-readtime {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  color: var(--tertiary);
}

.search-result-readtime svg {
  width: 14px;
  height: 14px;
}

/* ==================== Empty States ==================== */
.search-empty,
.search-no-results {
  text-align: center;
  padding: calc(var(--gap) * 4);
}

.search-empty svg,
.search-no-results svg {
  color: var(--tertiary);
  margin-bottom: var(--gap);
  opacity: 0.5;
}

.search-empty h3,
.search-no-results h3 {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--primary);
  margin: var(--gap) 0;
}

.search-empty p,
.search-no-results p {
  font-size: var(--text-base);
  color: var(--secondary);
  margin: 0;
}

/* ==================== Loading State ==================== */
.search-loading {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: calc(var(--gap) * 2);
  color: var(--secondary);
}

.search-loading.visible {
  display: flex;
}

.search-loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
  .search-page {
    padding: var(--gap) 16px;
  }

  .search-box {
    padding: var(--gap);
  }

  #searchInput {
    font-size: var(--text-base);
    padding: 10px 36px 10px 10px;
  }

  .search-icon {
    width: 20px;
    height: 20px;
  }

  .search-history {
    padding: var(--gap);
  }

  .history-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--gap);
  }

  .search-result {
    padding: var(--gap);
  }

  .search-result-title {
    font-size: var(--text-lg);
  }

  .search-result-excerpt {
    font-size: var(--text-sm);
  }

  .search-result-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .history-list {
    flex-direction: column;
  }

  .history-item {
    justify-content: space-between;
  }

  .search-result-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}