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

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #222636;
  --bg-input: #13151d;
  --border: #2a2d3a;
  --text: #e1e4ed;
  --text-dim: #8b8fa3;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --orange: #f97316;
  --radius: 8px;
}

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

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-left { display: flex; align-items: center; gap: 16px; }
.header-right { display: flex; align-items: center; gap: 12px; }

h1 { font-size: 18px; font-weight: 600; cursor: pointer; }
h1:hover { color: var(--accent); }

nav#breadcrumb { display: flex; gap: 8px; align-items: center; color: var(--text-dim); font-size: 14px; }
nav#breadcrumb a { color: var(--text-dim); text-decoration: none; }
nav#breadcrumb a:hover { color: var(--text); }
nav#breadcrumb .sep { color: var(--border); }

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

/* Buttons */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--red); color: white; }
.btn-danger:hover { opacity: 0.85; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 20px;
  padding: 4px;
}
.btn-icon:hover { color: var(--text); }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.15s;
}
.card-clickable { cursor: pointer; }
.card-clickable:hover { border-color: var(--accent); }

/* Score badges */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 14px;
  border: 3px solid;
}
.score-good { color: var(--green); border-color: var(--green); }
.score-ok { color: var(--yellow); border-color: var(--yellow); }
.score-bad { color: var(--red); border-color: var(--red); }
.score-none { color: var(--text-dim); border-color: var(--border); }

.score-row {
  display: flex;
  gap: 16px;
  align-items: center;
}
.score-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.score-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }

/* Metric cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin: 20px 0;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}
.metric-value { font-size: 22px; font-weight: 700; margin: 4px 0; }
.metric-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.metric-unit { font-size: 12px; color: var(--text-dim); }

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.project-card h3 { margin-bottom: 12px; font-size: 16px; }
.project-card .meta { color: var(--text-dim); font-size: 13px; margin-bottom: 12px; }

/* Pages table */
.pages-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
.pages-table th,
.pages-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.pages-table th { color: var(--text-dim); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; }
.pages-table tr:hover { background: var(--bg-hover); }
.pages-table .url-cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pages-table .clickable { cursor: pointer; }
.pages-table .clickable:hover .url-cell { color: var(--accent); }
.score-cell { font-weight: 600; }
.score-cell.good { color: var(--green); }
.score-cell.ok { color: var(--yellow); }
.score-cell.bad { color: var(--red); }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
  gap: 20px;
  margin: 20px 0;
}
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.chart-card h3 { font-size: 14px; margin-bottom: 12px; color: var(--text-dim); }

/* Toolbar */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}
.toolbar h2 { font-size: 20px; }

/* Forms */
.inline-form {
  display: flex;
  gap: 8px;
  align-items: center;
}
input[type="text"],
input[type="url"],
input[type="number"] {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
}
input:focus { border-color: var(--accent); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  min-width: 360px;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.modal-header h2 { font-size: 18px; }
.modal-body { display: flex; flex-direction: column; gap: 16px; }
.modal-body label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--text-dim); }
.modal-body .checkbox-label { flex-direction: row; align-items: center; gap: 8px; }
.modal-footer { margin-top: 20px; display: flex; justify-content: flex-end; }
.api-key-help { color: var(--accent); font-size: 12px; text-decoration: none; }
.api-key-help:hover { text-decoration: underline; }

/* Scan indicator */
.scan-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg);
  white-space: nowrap;
}
.scan-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.scan-indicator.idle .scan-dot { background: var(--text-dim); }
.scan-indicator.idle { color: var(--text-dim); }
.scan-indicator.scanning .scan-dot { background: var(--accent); animation: pulse-dot 1.5s infinite; }
.scan-indicator.scanning { color: var(--accent); border-color: var(--accent); }
.scan-indicator.done .scan-dot { background: var(--green); }
.scan-indicator.done { color: var(--green); border-color: var(--green); }
.scan-indicator.error .scan-dot { background: var(--red); }
.scan-indicator.error { color: var(--red); border-color: var(--red); }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(1.3); } }
/* Scan panel dropdown */
.scan-wrapper { position: relative; }
.scan-indicator { cursor: pointer; }
.scan-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 380px;
  max-height: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 50;
  overflow: hidden;
}
.scan-panel.hidden { display: none; }
.scan-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
}
.scan-panel-counter { font-weight: 400; color: var(--text-dim); font-size: 12px; }
.scan-panel-body {
  overflow-y: auto;
  max-height: 340px;
  padding: 6px 0;
}
.scan-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  font-size: 12px;
}
.scan-item .scan-item-url {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.scan-item .scan-item-status { flex-shrink: 0; width: 60px; text-align: right; }
.scan-item-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
.scan-item-check { color: var(--green); font-size: 14px; flex-shrink: 0; width: 14px; text-align: center; }
.scan-item-fail { color: var(--red); font-size: 14px; flex-shrink: 0; width: 14px; text-align: center; }
.scan-item-pending { color: var(--text-dim); font-size: 10px; flex-shrink: 0; width: 14px; text-align: center; }
.scan-item-score { font-weight: 600; font-size: 11px; }
.scan-item-score.good { color: var(--green); }
.scan-item-score.ok { color: var(--yellow); }
.scan-item-score.bad { color: var(--red); }
.scan-item-row { border-bottom: 1px solid var(--border); }
.scan-item-row:last-child { border-bottom: none; }
.scan-item-error { padding: 2px 14px 6px 38px; font-size: 10px; color: var(--red); opacity: 0.7; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Section headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 24px 0 12px;
}
.section-header h3 { font-size: 15px; color: var(--text-dim); }

/* Empty state */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty h3 { font-size: 18px; margin-bottom: 8px; color: var(--text); }
.empty p { margin-bottom: 20px; }

/* Actions row */
.actions { display: flex; gap: 8px; }

/* Delete button in table */
.btn-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
  border-radius: 4px;
}
.btn-delete:hover { color: var(--red); background: rgba(239,68,68,0.1); }
.btn-scan-now {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
}
.btn-scan-now:hover { color: var(--accent); background: rgba(99,102,241,0.1); }
.btn-scan-now.hidden { display: none; }
.row-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}
.row-spinner.hidden { display: none; }

@media (max-width: 600px) {
  .charts-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  main { padding: 16px; }
}