/* HHE Librarian - Web UI Styles */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.hidden {
  display: none !important;
}

/* Navbar */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.nav-brand h1 {
  font-size: 1.5rem;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Search Section */
.search-section {
  margin-bottom: 2rem;
}

.search-box {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.search-input-wrapper {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

#search-query {
  flex: 1;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}

#search-query:focus {
  border-color: var(--primary);
}

.search-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.search-btn:hover {
  background: var(--primary-dark);
}

.search-filters {
  display: flex;
  gap: 1rem;
}

.search-filters select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  font-size: 0.9rem;
  cursor: pointer;
}

/* Results Section */
.results-section {
  margin-bottom: 2rem;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.results-header h2 {
  font-size: 1.25rem;
}

.results-count {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Result Card */
.result-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
}

.result-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.result-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}

.result-score {
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.result-content {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.result-content mark {
  background: #fef08a;
  padding: 0 2px;
  border-radius: 2px;
}

.result-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--secondary);
}

.result-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Welcome Section */
.welcome-section {
  text-align: center;
  padding: 4rem 2rem;
}

.welcome-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.welcome-content > p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  text-align: left;
}

.feature {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature h3 {
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-card);
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  z-index: 10;
}

#document-viewer {
  padding: 2rem;
  max-height: 90vh;
  overflow-y: auto;
}

.doc-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.doc-header h2 {
  margin-bottom: 0.5rem;
}

.doc-meta {
  display: flex;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.doc-content {
  white-space: pre-wrap;
  font-family: inherit;
  line-height: 1.7;
}

/* Loading */
.loading {
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Page Header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.page-header h2 {
  font-size: 1.5rem;
}

.filter-bar {
  display: flex;
  gap: 1rem;
}

.filter-bar select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  font-size: 0.9rem;
}

/* Buttons */
.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: var(--bg);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Documents Grid */
.documents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.doc-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  gap: 1rem;
}

.doc-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.doc-card-icon {
  font-size: 2rem;
}

.doc-card-content {
  flex: 1;
}

.doc-card-title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  word-break: break-word;
}

.doc-card-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.doc-category {
  background: var(--primary);
  color: white;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.doc-status {
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.doc-card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Status classes */
.status-success {
  background: #dcfce7;
  color: var(--success);
}

.status-warning {
  background: #fef3c7;
  color: var(--warning);
}

.status-error {
  background: #fee2e2;
  color: var(--error);
}

.status-info {
  background: #dbeafe;
  color: var(--primary);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* Status Page */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.status-card {
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.status-card.full-width {
  grid-column: 1 / -1;
}

.status-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.status-card-header h3 {
  font-size: 1rem;
}

.status-indicator {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Services List */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.service-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
}

.service-name {
  font-weight: 500;
}

.service-status {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.activity-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 6px;
}

.activity-icon {
  font-size: 1.25rem;
}

.activity-message {
  flex: 1;
  font-size: 0.9rem;
}

.activity-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Error & No Results */
.error, .no-results {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

.error h3 {
  color: var(--error);
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }

  .search-input-wrapper {
    flex-direction: column;
  }

  .search-filters {
    flex-direction: column;
  }

  .result-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-header {
    flex-direction: column;
    gap: 1rem;
  }

  .filter-bar {
    flex-direction: column;
    width: 100%;
  }

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