:root {
  --bg-base: #0c0d0f;
  --bg-surface: #131519;
  --bg-elevated: #1a1d23;
  --bg-row-hover: #181b21;
  --border: #262932;
  --border-strong: #363a47;
  --text-primary: #ededef;
  --text-secondary: #9a9fa8;
  --text-muted: #676c77;
  --accent: #e5a93c;
  --danger: #e5484d;
  --danger-dim: rgba(229, 72, 77, 0.12);
  --warn: #f59e0b;
  --warn-dim: rgba(245, 158, 11, 0.12);
  --safe: #30a46c;
  --safe-dim: rgba(48, 164, 108, 0.12);
  --info: #3b82f6;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Top Navigation Bar */
.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.topbar-inner {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.96rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 12px;
  height: 12px;
  background: var(--accent);
  display: inline-block;
}

.version-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 12px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
  border: 1px solid transparent;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

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

.btn-solid {
  background: var(--text-primary);
  color: var(--bg-base);
}

.btn-solid:hover {
  background: #ffffff;
}

.btn-accent {
  background: var(--accent);
  color: #0b0c0e;
  font-weight: 700;
  padding: 12px 22px;
  font-size: 0.8rem;
}

.btn-accent:hover {
  background: #f0b749;
}

.mono-badge {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.7rem;
}

/* Workspace & Scanner Panel */
.workspace {
  flex: 1;
  padding-top: 28px;
  padding-bottom: 64px;
}

.scanner-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 24px;
}

.scanner-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 4px;
}

.page-title {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.supported-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: var(--bg-base);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.dot-spotify {
  background: #1ed760;
}
.dot-apple {
  background: #fa243c;
}
.dot-youtube {
  background: #ff0033;
}

.scanner-lead {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 880px;
  margin-bottom: 16px;
}

.mode-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.mode-tab {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--bg-base);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.mode-tab:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.mode-tab.active {
  background: var(--bg-elevated);
  border-color: var(--accent);
  color: var(--accent);
}

.query-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.query-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--bg-base);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 0 12px;
}

.query-input-wrap:focus-within {
  border-color: var(--accent);
}

.query-prefix {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-right: 10px;
  user-select: none;
}

#playlistUrlInput {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 12px 0;
  outline: none;
}

#playlistUrlInput::placeholder {
  color: var(--text-muted);
}

.clear-btn {
  font-family: var(--mono);
  font-size: 0.68rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
}

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

.sample-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.sample-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.sample-btn {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--bg-base);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
}

.sample-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

/* Error Box */
.alert-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--danger-dim);
  border: 1px solid var(--danger);
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  color: #fca5a5;
}

.alert-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--danger);
  color: #fff;
  padding: 2px 6px;
  border-radius: 2px;
}

/* Loading Panel */
.loading-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 22px 24px;
  margin-bottom: 24px;
}

.loading-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.spinner-square {
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  animation: spin 0.75s linear infinite;
}

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

.loading-title {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.loading-sub {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.progress-track {
  height: 4px;
  background: var(--bg-base);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 25%;
  background: var(--accent);
  transition: width 0.3s ease;
}

/* Report Header Bar */
.report-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.report-target {
  display: flex;
  align-items: center;
  gap: 16px;
}

.target-thumb {
  width: 64px;
  height: 64px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.target-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-fallback {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.target-meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.mono-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--accent);
  padding: 2px 7px;
  border-radius: 3px;
}

.target-owner {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.target-title {
  font-size: 1.3rem;
  font-weight: 700;
}

.verdict-summary-box {
  min-width: 320px;
  max-width: 480px;
  padding: 12px 16px;
  border-radius: 4px;
  background: var(--bg-base);
  border-left: 3px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.verdict-summary-box.status-danger {
  border-left-color: var(--danger);
  background: var(--danger-dim);
}
.verdict-summary-box.status-warn {
  border-left-color: var(--warn);
  background: var(--warn-dim);
}
.verdict-summary-box.status-safe {
  border-left-color: var(--safe);
  background: var(--safe-dim);
}

.verdict-status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}
.status-danger .status-indicator {
  background: var(--danger);
}
.status-warn .status-indicator {
  background: var(--warn);
}
.status-safe .status-indicator {
  background: var(--safe);
}

.verdict-subtext {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 8-Cell Telemetry Grid */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 14px;
}

.metric-cell {
  background: var(--bg-surface);
  padding: 14px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-key {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.metric-val {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.metric-foot {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.cell-danger .metric-val {
  color: var(--danger);
}
.cell-warn .metric-val {
  color: var(--warn);
}
.cell-safe .metric-val {
  color: var(--safe);
}

/* Composition Ratio Bar */
.ratio-strip-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  margin-bottom: 18px;
}

.ratio-strip-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.ratio-bar-track {
  height: 8px;
  background: var(--bg-base);
  display: flex;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}

.ratio-seg {
  height: 100%;
  transition: width 0.35s ease;
}
.seg-ai {
  background: var(--danger);
}
.seg-warn {
  background: var(--warn);
}
.seg-safe {
  background: var(--safe);
}

.ratio-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  margin-right: 6px;
  border-radius: 2px;
}

.ratio-right-meta {
  margin-left: auto;
  color: var(--text-muted);
}

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.filter-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-tab {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 7px 12px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-tab.active,
.filter-tab:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--accent);
}

.count-num {
  background: var(--bg-base);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 0.68rem;
}

.toolbar-right {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sort-select,
.search-filter-input {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 0.76rem;
  padding: 7px 11px;
  border-radius: 4px;
  outline: none;
}

.search-filter-input {
  min-width: 240px;
}

.sort-select:focus,
.search-filter-input:focus {
  border-color: var(--accent);
}

/* Dense Forensics Table */
.table-head {
  display: grid;
  grid-template-columns: 44px 2.4fr 1fr 1fr 1fr 1fr 0.9fr 1.2fr 95px;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.tracks-table-body {
  border: 1px solid var(--border);
  border-radius: 0 0 6px 6px;
  background: var(--bg-surface);
  divide-y: 1px solid var(--border);
}

.track-row-wrap {
  border-bottom: 1px solid var(--border);
}
.track-row-wrap:last-child {
  border-bottom: none;
}

.track-row {
  display: grid;
  grid-template-columns: 44px 2.4fr 1fr 1fr 1fr 1fr 0.9fr 1.2fr 95px;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  transition: background 0.1s ease;
}

.track-row:hover {
  background: var(--bg-row-hover);
}

.track-row-wrap.row-ai {
  border-left: 3px solid var(--danger);
}
.track-row-wrap.row-suspicious {
  border-left: 3px solid var(--warn);
}
.track-row-wrap.row-human {
  border-left: 3px solid var(--safe);
}

.cell-mono {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.cell-sub {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.track-Identity {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.play-btn {
  width: 26px;
  height: 26px;
  border-radius: 3px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.68rem;
  cursor: pointer;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.play-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.track-title-link {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.track-artist-line {
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.risk-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.risk-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.risk-bar {
  height: 4px;
  background: var(--bg-base);
  border-radius: 2px;
  overflow: hidden;
}

.risk-fill {
  height: 100%;
}

.action-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.inspect-btn,
.flag-btn {
  font-family: var(--mono);
  font-size: 0.68rem;
  background: var(--bg-base);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 7px;
  border-radius: 3px;
  cursor: pointer;
}

.inspect-btn:hover,
.flag-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Signals Strip + Expandable Forensics Drawer */
.signals-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 14px 10px 58px;
}

.sig-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

.sig-tag.danger {
  background: var(--danger-dim);
  border-color: rgba(229, 72, 77, 0.35);
  color: #fca5a5;
}
.sig-tag.warning {
  background: var(--warn-dim);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fcd34d;
}
.sig-tag.safe {
  background: var(--safe-dim);
  border-color: rgba(48, 164, 108, 0.35);
  color: #86efac;
}
.sig-tag.info {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.35);
  color: #93c5fd;
}

.forensics-drawer {
  background: var(--bg-base);
  border-top: 1px dashed var(--border);
  padding: 14px 18px 14px 58px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.drawer-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.drawer-heading {
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.drawer-kv {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.drawer-kv strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Methodology Section */
.methodology-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.section-head {
  margin-bottom: 20px;
}

.section-head h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

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

.method-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
}

.method-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.method-box h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.method-box p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  width: 100%;
  max-width: 480px;
  padding: 22px;
}

.modal-lg {
  max-width: 680px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.modal-header h3 {
  font-family: var(--mono);
  font-size: 0.86rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
}

.modal-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.form-group input,
.form-group select {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 9px 11px;
  border-radius: 4px;
  outline: none;
}

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

.db-list {
  max-height: 380px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.db-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.db-item-title {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.84rem;
}

.db-item-reason {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .telemetry-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .table-head {
    display: none;
  }
  .track-row {
    grid-template-columns: 36px 1fr auto;
    gap: 8px;
  }
  .col-debut,
  .col-cadence,
  .col-catalog,
  .col-audience,
  .col-registry {
    display: none;
  }
  .forensics-drawer {
    grid-template-columns: 1fr 1fr;
    padding-left: 18px;
  }
  .method-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .query-bar {
    flex-direction: column;
  }
  .telemetry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .method-grid {
    grid-template-columns: 1fr;
  }
  .forensics-drawer {
    grid-template-columns: 1fr;
  }
}