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

:root {
  --bg: #0d0d0d;
  --bg-2: #161616;
  --bg-3: #1f1f1f;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --text-dim: #666;
  --text-mid: #999;
  --accent: #f59e0b;
  --critical: #ef4444;
  --high: #f97316;
  --medium: #eab308;
  --low: #22c55e;
  --anomaly: #a855f7;
  --radius: 8px;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.app {
  min-height: 100vh;
}

.header {
  padding: 32px 24px 24px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.header p {
  color: var(--text-dim);
  font-size: 14px;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 80px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Error / Loading ── */
.error-bar {
  background: #2a1515;
  border: 1px solid #7a2020;
  color: #f08080;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
}

.loading-bar {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  color: var(--accent);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  animation: pulse 1.5s ease infinite;
}

/* ── Stats Bar ── */
.stats-bar {
  display: flex;
  flex-direction: row;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat-item {
  flex: 1;
  padding: 16px 12px;
  text-align: center;
  border-right: 1px solid var(--border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ── Panel ── */
.panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.panel-actions {
  display: flex;
  gap: 8px;
}

/* ── Input Panel ── */
.log-input {
  width: 100%;
  background: var(--bg-3);
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 16px;
  resize: vertical;
  outline: none;
}

.input-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  flex-wrap: wrap;
}

.setting {
  display: flex;
  align-items: center;
  gap: 8px;
}

.setting-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}

.setting-input {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 8px;
  width: 60px;
  outline: none;
}

.log-stats {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-left: auto;
}

/* ── Buttons ── */
.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: #000;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  transition: opacity 0.15s;
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.85;
}

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 6px 10px;
  transition: all 0.15s;
}

.btn-ghost:hover {
  border-color: var(--text-mid);
  color: var(--text);
}

/* ── Clusters Grid ── */
.clusters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* ── Cluster Card ── */
.cluster-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--medium);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cluster-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.severity-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.cluster-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.cluster-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.cluster-cause {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.5;
}

.expand-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 0;
  text-align: left;
  margin-top: 4px;
}

.expand-btn:hover {
  color: var(--text);
}

.cluster-errors {
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}

.error-line {
  display: flex;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
}

.error-ts {
  color: var(--text-dim);
  flex-shrink: 0;
}

.error-raw {
  color: var(--text-mid);
  word-break: break-all;
}

/* ── Anomaly Panel ── */
.anomaly-list {
  display: flex;
  flex-direction: column;
}

.anomaly-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.anomaly-item:last-child {
  border-bottom: none;
}

.anomaly-meta {
  display: flex;
  gap: 12px;
  align-items: center;
}

.anomaly-type {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--anomaly);
  letter-spacing: 0.1em;
}

.anomaly-module {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.anomaly-ts {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  margin-left: auto;
}

.anomaly-raw {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mid);
  line-height: 1.5;
}

/* ── Scatter Plot ── */
.scatter-wrapper {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.scatter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.scatter-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.scatter-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tooltip-box {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text);
  max-width: 260px;
  word-break: break-word;
  line-height: 1.5;
  pointer-events: none;
}

/* ── Animations ── */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease both;
}

.stats-section {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stats-section .stats-bar {
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
}

.formats-bar {
  background: var(--bg-2);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.formats-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  flex-shrink: 0;
}

.formats-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.format-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 8px;
}

.format-name {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.format-count {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
}

.report-body {
  display: flex;
  flex-direction: column;
}

.report-section {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.report-section:last-child {
  border-bottom: none;
}

.report-section-title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.report-meta {
  margin-bottom: 12px;
}

.report-summary {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-mid);
}

.report-issue {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.report-issue-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.report-rank {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
}

.report-issue-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.report-issue-detail {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.5;
}

/* ── Tuning Panel ── */
.formula-box {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
}

.formula-title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.formula {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: inline-block;
}

.formula-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.formula-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.formula-var {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  flex-shrink: 0;
  width: 52px;
  padding-top: 1px;
}

.formula-desc {
  font-size: 12px;
  color: var(--text-mid);
  line-height: 1.5;
}

.tuning-results {
  display: flex;
  flex-direction: column;
}

.tuning-best {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.tuning-best-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.tuning-best-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--low);
}

.tuning-best-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.tuning-best-applied {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--low);
  margin-left: auto;
}

.tuning-table {
  padding: 0 16px 16px;
}

.tuning-row {
  display: grid;
  grid-template-columns: 80px 100px 100px 1fr;
  padding: 8px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mid);
  transition: background 0.15s;
}

.tuning-header {
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.15em;
  padding-bottom: 4px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
}