:root {
  --bg: #0f1117;
  --bg-card: #181a20;
  --bg-hover: #1e2028;
  --border: #2a2d38;
  --text: #e1e4eb;
  --text-dim: #8b8fa3;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --green: #00cec9;
  --orange: #fdcb6e;
  --red: #e17055;
  --blue: #74b9ff;
  --radius: 10px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== HEADER ===== */
header {
  border-bottom: 1px solid var(--border);
  padding: 2rem 0 1.5rem;
  text-align: center;
}
.header-inner h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.accent { color: var(--accent-light); }
.subtitle {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-top: 0.3rem;
}

/* ===== NAV ===== */
nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.nav-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-btn:hover { border-color: var(--accent); color: var(--text); }
.nav-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ===== SECTIONS ===== */
.section { display: none; padding: 2rem; max-width: 1200px; margin: 0 auto; }
.section.active { display: block; }

/* ===== PIPELINE VIEW ===== */
.pipeline-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 2rem 0;
  overflow-x: auto;
}
.pipeline-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.8rem;
  text-align: center;
  min-width: 160px;
  position: relative;
  cursor: pointer;
  transition: all 0.25s;
}
.pipeline-node:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.15);
}
.pipeline-node.selected {
  border-color: var(--accent-light);
  box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.3);
}
.source-node { cursor: default; opacity: 0.7; }
.source-node:hover { transform: none; border-color: var(--border); box-shadow: none; }
.node-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.node-label { font-weight: 600; font-size: 1.05rem; }
.node-sub { color: var(--text-dim); font-size: 0.8rem; margin-top: 0.2rem; }
.node-records { font-family: var(--mono); font-size: 0.85rem; color: var(--accent-light); margin-top: 0.5rem; }
.node-status {
  position: absolute;
  top: -8px;
  right: -8px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.badge-active { background: var(--green); color: #0f1117; }
.badge-mock { background: var(--orange); color: #0f1117; }
.pipeline-arrow { color: var(--text-dim); font-size: 1.8rem; font-weight: 300; user-select: none; }

.layer-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
  min-height: 120px;
}
.layer-detail .hint { color: var(--text-dim); text-align: center; font-size: 0.9rem; }
.layer-detail h3 { margin-bottom: 0.8rem; }
.layer-detail .detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.detail-meta p { margin-bottom: 0.4rem; font-size: 0.9rem; }
.detail-meta strong { color: var(--accent-light); }
.detail-sample {
  background: var(--bg);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
}
.detail-sample pre {
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ===== EXPLORER ===== */
.explorer-controls {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.control-group { display: flex; flex-direction: column; gap: 0.3rem; }
.control-group label { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
select, .btn-primary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.85rem;
  cursor: pointer;
}
select:focus { outline: 1px solid var(--accent); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  transition: background 0.2s;
}
.btn-primary:hover { background: #5b4bd5; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}
.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--accent-light);
}
.stat-card .stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--bg-card);
  padding: 0.7rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
td {
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
tr:hover td { background: var(--bg-hover); }

.flair-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.page-btn {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
}
.page-btn:hover { border-color: var(--accent); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===== SILVER / GOLD TABS ===== */
.layer-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.layer-tab {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
  transition: all 0.2s;
}
.layer-tab:hover { border-color: var(--accent); color: var(--text); }
.layer-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.layer-info {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  padding: 0.8rem;
  background: var(--bg-card);
  border-radius: 6px;
  border-left: 3px solid var(--orange);
}

.tool-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  margin: 1px;
  background: rgba(0, 206, 201, 0.15);
  color: var(--green);
}

/* ===== GOLD GRID ===== */
.gold-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}
.gold-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.gold-card h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ranking-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.ranking-item:last-child { border-bottom: none; }
.ranking-pos {
  font-family: var(--mono);
  color: var(--text-dim);
  min-width: 24px;
}
.ranking-name { flex: 1; margin-left: 0.5rem; }
.ranking-value {
  font-family: var(--mono);
  color: var(--accent-light);
  font-weight: 600;
}
.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}
.summary-item {
  text-align: center;
  padding: 0.8rem;
  background: var(--bg);
  border-radius: 6px;
}
.summary-item .s-value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--green);
}
.summary-item .s-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
  text-transform: uppercase;
}

/* ===== INGEST ===== */
.ingest-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.ingest-card h2 { margin-bottom: 0.8rem; font-size: 1.3rem; }
.ingest-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.ingest-form input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.85rem;
  width: 100%;
}
.ingest-form input[type="text"]:focus { outline: 1px solid var(--accent); }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  padding-top: 0.3rem;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}
.ingest-status {
  margin-top: 1.2rem;
  min-height: 24px;
}
.ingest-msg {
  padding: 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--mono);
}
.ingest-msg.success { background: rgba(0,206,201,0.1); border: 1px solid var(--green); color: var(--green); }
.ingest-msg.error { background: rgba(225,112,85,0.1); border: 1px solid var(--red); color: var(--red); }
.ingest-msg.loading { background: rgba(108,92,231,0.1); border: 1px solid var(--accent); color: var(--accent-light); }
/* ===== PROGRESS TRACKER ===== */
.tracker {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 1.5rem 0 0.5rem;
  padding: 1.2rem 1rem;
  background: var(--bg);
  border-radius: 8px;
  overflow-x: auto;
}
.tracker-step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  white-space: nowrap;
  transition: all 0.3s;
}
.step-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}
.step-label { font-size: 0.8rem; font-weight: 500; }
.step-count { font-size: 0.65rem; color: var(--text-dim); }

.step-success .step-icon { background: var(--green); color: #0f1117; }
.step-success .step-label { color: var(--green); }

.step-running .step-icon {
  background: var(--accent);
  color: #fff;
  animation: pulse-spin 1.2s ease-in-out infinite;
}
.step-running .step-label { color: var(--accent-light); font-weight: 600; }

.step-failed .step-icon { background: var(--red); color: #fff; }
.step-failed .step-label { color: var(--red); }

.step-queued .step-icon { background: var(--border); color: var(--text-dim); }
.step-queued .step-label { color: var(--text-dim); }

.tracker-connector {
  width: 24px;
  height: 2px;
  background: var(--border);
  flex-shrink: 0;
}
.step-success + .tracker-connector { background: var(--green); }

.tracker-state {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: right;
  margin-bottom: 0.5rem;
}
.tracker-state strong { color: var(--text); text-transform: uppercase; }

@keyframes pulse-spin {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.airflow-badge {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.airflow-badge .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.dot-green { background: var(--green); }
.dot-red { background: var(--red); }
.dot-yellow { background: var(--orange); }

/* ===== SCHEDULED ===== */
.sched-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.sched-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}
.sched-header h2 { margin-bottom: 0.5rem; font-size: 1.3rem; }
.sched-toggle-area {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.sched-status-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--mono);
}
.btn-toggle {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}
.btn-toggle:hover { border-color: var(--accent); }
.btn-toggle.active { background: var(--green); color: #0f1117; border-color: var(--green); }
.btn-toggle.paused { background: var(--orange); color: #0f1117; border-color: var(--orange); }

.sched-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.sched-subs-section h3,
.sched-runs-section h3 {
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.75rem;
}

.sched-subs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  min-height: 36px;
}
.sched-sub-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--mono);
}
.sched-sub-tag .remove-sub {
  cursor: pointer;
  opacity: 0.6;
  font-size: 1rem;
  line-height: 1;
  transition: opacity 0.2s;
}
.sched-sub-tag .remove-sub:hover { opacity: 1; color: var(--red); }

.sched-add-form {
  display: flex;
  gap: 0.5rem;
}
.sched-add-form input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.45rem 0.8rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.85rem;
  flex: 1;
}
.sched-add-form input:focus { outline: 1px solid var(--accent); }
.btn-sm { padding: 0.45rem 0.8rem; font-size: 0.8rem; }

.sched-runs-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sched-run-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.8rem;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.8rem;
}
.sched-run-item .run-state {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.run-state.state-success { background: rgba(0,206,201,0.15); color: var(--green); }
.run-state.state-failed { background: rgba(225,112,85,0.15); color: var(--red); }
.run-state.state-running { background: rgba(108,92,231,0.15); color: var(--accent-light); }
.run-state.state-queued { background: rgba(139,143,163,0.15); color: var(--text-dim); }

@media (max-width: 768px) {
  .sched-body { grid-template-columns: 1fr; }
  .sched-header { flex-direction: column; }
}

/* ===== INSIGHTS ===== */
.insights-header { margin-bottom: 1.5rem; }
.insights-filter { margin-top: 1rem; display: flex; align-items: center; gap: 0.75rem; }
.insights-filter label { font-size: 0.85rem; color: var(--text-dim); }
.insights-filter select {
  background: var(--bg-card); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.5rem 1rem; font-family: var(--font);
}
.insights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.insight-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; transition: border-color 0.2s;
}
.insight-card:hover { border-color: var(--accent); }
.insight-card h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--accent-light); }
.insight-items { display: flex; flex-direction: column; gap: 0.75rem; }
.insight-item {
  background: var(--bg); border-radius: 8px; padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
}
.insight-name { font-weight: 600; font-size: 0.95rem; color: var(--text); }
.insight-mentions { font-size: 0.75rem; color: var(--green); font-family: var(--mono); margin: 0.25rem 0; }
.insight-context { font-size: 0.8rem; color: var(--text-dim); line-height: 1.4; }

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .pipeline-flow { flex-direction: column; }
  .pipeline-arrow { transform: rotate(90deg); }
  .detail-grid { grid-template-columns: 1fr !important; }
  .explorer-controls { flex-direction: column; }
  .gold-grid { grid-template-columns: 1fr; }
}