:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #1f2230;
  --border: #2a2d3a;
  --text: #e4e6ed;
  --text-muted: #8b8fa3;
  --accent: #3b82f6;
  --accent-dim: #1e3a5f;
  --ok: #22c55e;
  --ok-dim: #14532d;
  --warn: #eab308;
  --warn-dim: #422006;
  --error: #ef4444;
  --error-dim: #7f1d1d;
  --nav-bg: #13151c;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ===== NAV BAR ===== */

.nav-bar {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 52px;
  gap: 32px;
}

.nav-brand a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-logout { margin-left: auto; }

.logout-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.8125rem;
  padding: 5px 12px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.logout-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.nav-link.active {
  color: var(--text);
  background: var(--surface);
}

/* ===== MAIN CONTENT ===== */

.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* ===== DASHBOARD ===== */

.dashboard {
  max-width: 720px;
  margin: 0 auto;
}

.dashboard-header {
  margin-bottom: 32px;
}

.dashboard-header h1 {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.subtitle {
  color: var(--text-muted);
  margin-top: 4px;
  font-size: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.stat-open .stat-number { color: var(--accent); }
.stat-in-progress .stat-number { color: var(--warn); }
.stat-resolved .stat-number { color: var(--ok); }

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.status-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-ok .status-indicator { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.status-error .status-indicator { background: var(--error); box-shadow: 0 0 8px var(--error); }

.status-info h3 {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.status-info p {
  font-size: 0.95rem;
  margin-top: 2px;
}

/* ===== ROADMAP ===== */

.roadmap h2 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.phases {
  display: flex;
  flex-direction: column;
}

.phase {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-left: 2px solid var(--border);
  padding-left: 24px;
  position: relative;
}

.phase:last-child { border-left-color: transparent; }

.phase-marker {
  position: absolute;
  left: -15px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.phase-current .phase-marker {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.phase-done .phase-marker {
  border-color: var(--ok);
  color: var(--ok);
  background: var(--ok-dim);
}

.phase-content h3 {
  font-size: 1rem;
  font-weight: 500;
}

.phase-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== PAGE HEADER ===== */

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ===== FILTER BAR ===== */

.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter-input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.875rem;
  min-width: 240px;
  flex: 1;
}

.filter-input::placeholder { color: var(--text-muted); }

.filter-select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.875rem;
}

.btn {
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-muted);
}

/* ===== DATA TABLE ===== */

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.data-table tbody tr:hover {
  background: var(--surface-hover);
}

.title-cell {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.codes-cell {
  white-space: nowrap;
}

.date-cell {
  white-space: nowrap;
  color: var(--text-muted);
}

/* ===== BADGES ===== */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.badge-lg {
  padding: 4px 12px;
  font-size: 0.85rem;
}

.badge-open {
  background: var(--accent-dim);
  color: var(--accent);
}

.badge-in_progress {
  background: var(--warn-dim);
  color: var(--warn);
}

.badge-resolved {
  background: var(--ok-dim);
  color: var(--ok);
}

.badge-closed {
  background: var(--surface);
  color: var(--text-muted);
}

/* ===== TAGS ===== */

.tag {
  display: inline-block;
  padding: 2px 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: "SF Mono", "Fira Code", monospace;
  color: var(--text-muted);
  white-space: nowrap;
}

.tag-more {
  color: var(--accent);
}

.tag-source {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  font-family: inherit;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* ===== LINKS ===== */

.link {
  color: var(--accent);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* ===== PAGINATION ===== */

.pagination-wrap {
  padding: 16px 0;
  display: flex;
  justify-content: center;
}

.pagination {
  display: flex;
  gap: 4px;
  list-style: none;
}

.pagination a, .pagination span {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
}

.pagination a:hover {
  background: var(--surface);
  color: var(--text);
}

.pagination .current {
  background: var(--accent);
  color: white;
}

.pagination .disabled {
  opacity: 0.3;
}

/* ===== DETAIL PAGE ===== */

.detail-page {
  max-width: 960px;
}

.detail-nav {
  margin-bottom: 16px;
}

.detail-header {
  margin-bottom: 32px;
}

.detail-title-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  justify-content: space-between;
}

.detail-title-row h1 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.meta-item strong {
  color: var(--text);
  font-weight: 500;
}

/* ===== PCS SECTION ===== */

.pcs-section {
  margin-bottom: 32px;
}

.pcs-section h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.pcs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.pcs-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.pcs-card h3 {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pcs-card p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ===== METADATA SECTION ===== */

.metadata-section {
  margin-bottom: 32px;
}

.metadata-section h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.metadata-grid {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meta-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.meta-field p {
  font-size: 0.9rem;
}

.drb-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.875rem;
}

.drb-item strong {
  font-weight: 500;
}

/* ===== CONTEXT ENTRIES ===== */

.context-section h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.source-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 16px;
}

.tab-link {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--border);
}

.tab-link:hover {
  color: var(--text);
  background: var(--surface);
}

.tab-link.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}

.context-entries {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.context-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.context-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.context-title {
  font-size: 0.875rem;
  font-weight: 500;
}

.context-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

.context-content {
  padding: 16px;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--text);
  background: none;
  border: none;
}

.empty-state {
  color: var(--text-muted);
  text-align: center;
  padding: 32px;
}

/* ===== CHARTS DASHBOARD ===== */

.charts-dashboard {
  max-width: 1200px;
  margin: 0 auto;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.chart-card h3 {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.chart-container {
  height: 220px;
  position: relative;
}

/* ===== SEARCH PAGE ===== */

.search-page {
  max-width: 960px;
  margin: 0 auto;
}

.search-bar-wrap {
  margin-bottom: 16px;
}

.search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 1rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
}

.search-results-header {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.similarity-cell {
  white-space: nowrap;
  font-size: 0.8rem;
  font-family: "SF Mono", "Fira Code", monospace;
}

.similarity-high { color: var(--ok); }
.similarity-mid  { color: var(--warn); }
.similarity-low  { color: var(--text-muted); }

/* ===== RESPONSIVE ===== */

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .pcs-grid { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: 1fr; }
  .filter-form { flex-direction: column; }
  .search-filters { flex-direction: column; }
  .filter-input { min-width: unset; width: 100%; }
  .detail-title-row { flex-direction: column; }
}

@media (max-width: 480px) {
  .main-content { padding: 16px; }
  .nav-inner { padding: 0 16px; }
}

/* ===== COMMENT STATUS BADGES ===== */

.badge-pending { background: var(--warn-dim); color: var(--warn); }
.badge-approved { background: var(--ok-dim); color: var(--ok); }
.badge-rejected { background: var(--error-dim); color: var(--error); }
.badge-exported { background: var(--accent-dim); color: var(--accent); }

/* ===== COMMENT CAPTURE MODAL ===== */

.comment-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.comment-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 520px;
  width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
}

.comment-modal-header {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text);
}

.comment-modal-selector {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  word-break: break-all;
}

.comment-modal-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.75rem;
  max-height: 120px;
  overflow: auto;
  margin-bottom: 16px;
  white-space: pre-wrap;
  color: var(--text-muted);
}

.comment-modal-textarea {
  width: 100%;
  min-height: 100px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  color: var(--text);
  font-size: 0.875rem;
  resize: vertical;
  font-family: inherit;
}

.comment-modal-textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.comment-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* ===== COMMENT TOAST ===== */

.comment-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1001;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  background: var(--ok-dim);
  color: var(--ok);
  border: 1px solid var(--ok);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
}

.comment-toast.visible { opacity: 1; transform: translateY(0); }
.comment-toast.error { background: var(--error-dim); color: var(--error); border-color: var(--error); }

/* ===== ADMIN COMMENTS PAGE ===== */

.comments-page { max-width: 100%; }

.comments-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.comments-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.status-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 16px;
}

.comment-count {
  font-size: 0.75rem;
  margin-left: 4px;
  opacity: 0.7;
}

/* ===== ADMIN COMMENT DETAIL ===== */

.comment-detail { max-width: 100%; }

.comment-context-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.comment-context-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.comment-context-card label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.comment-context-card .value { font-size: 0.9rem; }
.comment-context-card .value.mono {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

.comment-html-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  overflow-x: auto;
  margin-bottom: 24px;
  max-height: 300px;
  overflow-y: auto;
}

.comment-text-section { margin-bottom: 24px; }

.comment-text-section h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.comment-original {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.comment-refine-form { margin-top: 8px; }

.comment-refine-textarea {
  width: 100%;
  min-height: 80px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  color: var(--text);
  font-size: 0.875rem;
  resize: vertical;
  font-family: inherit;
}

.comment-refine-textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.comment-actions {
  display: flex;
  gap: 8px;
  margin-top: 24px;
}

.btn-approve {
  background: var(--ok-dim);
  color: var(--ok);
  border: 1px solid var(--ok);
  padding: 7px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
}

.btn-reject {
  background: var(--error-dim);
  color: var(--error);
  border: 1px solid var(--error);
  padding: 7px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
}

.btn-export {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 7px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
}

/* ===== BATCH ACTIONS ===== */

.batch-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.batch-bar.hidden { display: none; }

.batch-count {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.comment-checkbox {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ===== COMMENT RESPONSIVE ===== */

@media (max-width: 768px) {
  .comment-context-grid { grid-template-columns: 1fr; }
  .comments-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}