/* ===========================
   COMPONENTS
   =========================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: var(--accent-blue);
  color: #0d1117;
  border-color: var(--accent-blue);
}
.btn-primary:hover:not(:disabled) { background: #79bdff; border-color: #79bdff; text-decoration: none; }
.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--text-secondary); text-decoration: none; }
.btn-danger {
  background: rgba(248,81,73,0.1);
  color: var(--accent-red);
  border-color: var(--accent-red);
}
.btn-danger:hover:not(:disabled) { background: var(--accent-red); color: white; text-decoration: none; }
.btn-success {
  background: rgba(63,185,80,0.1);
  color: var(--accent-green);
  border-color: var(--accent-green);
}
.btn-success:hover:not(:disabled) { background: var(--accent-green); color: #0d1117; text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 0.75rem; }
.btn-icon { padding: 6px; width: 30px; height: 30px; justify-content: center; }

/* --- Cards --- */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- KPI Cards --- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.kpi-card.blue::before { background: var(--accent-blue); }
.kpi-card.green::before { background: var(--accent-green); }
.kpi-card.red::before { background: var(--accent-red); }
.kpi-card.orange::before { background: var(--accent-orange); }
.kpi-card.purple::before { background: var(--accent-purple); }
.kpi-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
}
.kpi-trend {
  font-size: 0.75rem;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.kpi-trend.up { color: var(--accent-green); }
.kpi-trend.down { color: var(--accent-red); }
.kpi-trend.neutral { color: var(--text-muted); }
.kpi-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  opacity: 0.07;
}

@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .kpi-grid { grid-template-columns: 1fr; } }

/* --- Tables --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}
.data-table thead th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
.data-table thead th.sortable { cursor: pointer; user-select: none; }
.data-table thead th.sortable:hover { color: var(--text-primary); }
.data-table thead th .sort-icon { margin-left: 4px; opacity: 0.5; }
.data-table thead th.sort-asc .sort-icon::after { content: '▲'; }
.data-table thead th.sort-desc .sort-icon::after { content: '▼'; }
.data-table tbody tr {
  border-bottom: 1px solid var(--border-muted);
  transition: background var(--transition);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.data-table tbody tr:last-child { border-bottom: none; }
.data-table td {
  padding: 10px 14px;
  color: var(--text-primary);
  vertical-align: middle;
}
.data-table td.mono { font-family: var(--font-mono); font-size: 0.75rem; }
.data-table td.muted { color: var(--text-secondary); }
.data-table td.truncate { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.badge-blue   { background: rgba(88,166,255,0.15); color: var(--accent-blue);   border: 1px solid rgba(88,166,255,0.3);   }
.badge-green  { background: rgba(63,185,80,0.15);  color: var(--accent-green);  border: 1px solid rgba(63,185,80,0.3);   }
.badge-red    { background: rgba(248,81,73,0.15);  color: var(--accent-red);    border: 1px solid rgba(248,81,73,0.3);   }
.badge-orange { background: rgba(210,153,34,0.15); color: var(--accent-orange); border: 1px solid rgba(210,153,34,0.3);  }
.badge-purple { background: rgba(188,140,255,0.15);color: var(--accent-purple); border: 1px solid rgba(188,140,255,0.3); }
.badge-gray   { background: rgba(139,148,158,0.15);color: var(--text-secondary);border: 1px solid rgba(139,148,158,0.3); }

.badge-new {
  background: rgba(63,185,80,0.2);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: border-color var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(88,166,255,0.1);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled { opacity: 0.5; cursor: not-allowed; }
select.form-control { cursor: pointer; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 0.75rem; color: var(--accent-red); margin-top: 4px; }

/* --- Search bar --- */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.search-input-wrap {
  position: relative;
  flex: 1;
}
.search-input-wrap .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  pointer-events: none;
}
.search-input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px 8px 34px;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: border-color var(--transition);
}
.search-input:focus { outline: none; border-color: var(--accent-blue); }
.search-input::placeholder { color: var(--text-muted); }

/* --- Filters panel --- */
.filters-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  display: none;
}
.filters-panel.open { display: block; }
.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.filters-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 0.8rem;
}
.pagination-info { color: var(--text-secondary); }
.pagination-controls { display: flex; gap: 4px; }
.page-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 5px 10px;
  font-size: 0.75rem;
  transition: all var(--transition);
}
.page-btn:hover:not(:disabled) { border-color: var(--accent-blue); color: var(--accent-blue); }
.page-btn.active { background: var(--accent-blue); border-color: var(--accent-blue); color: #0d1117; font-weight: 600; }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* --- Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modal-in 0.2s ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 0.9rem; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

/* Modal large (screenshot/lightbox) */
.modal.modal-xl { max-width: 90vw; }
.modal.modal-xl .modal-body { padding: 0; }
.lightbox-img {
  display: block;
  width: 100%;
  border-radius: 0 0 var(--radius) var(--radius);
}
.lightbox-meta {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.lightbox-meta span strong { color: var(--text-primary); }

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.8rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-in 0.3s ease;
  pointer-events: all;
  max-width: 320px;
}
.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error   { border-left: 3px solid var(--accent-red); }
.toast.info    { border-left: 3px solid var(--accent-blue); }
.toast.warning { border-left: 3px solid var(--accent-orange); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

/* --- Skeleton loader --- */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-muted) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-text  { height: 14px; margin-bottom: 8px; }
.skeleton-text.w-50  { width: 50%; }
.skeleton-text.w-75  { width: 75%; }
.skeleton-text.w-100 { width: 100%; }

/* --- Spinner --- */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.spinner-sm { width: 14px; height: 14px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Loading overlay --- */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-muted);
  gap: 12px;
}

/* --- Empty state --- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.4; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 6px; }
.empty-state p { font-size: 0.8rem; }

/* --- Progress bar --- */
.progress-bar-wrap {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: 3px;
  background: var(--accent-blue);
  transition: width 0.5s ease;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: -1px;
  transition: all var(--transition);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); }

/* --- Highlight keyword --- */
.kw-highlight {
  background: rgba(210,153,34,0.25);
  color: var(--accent-orange);
  border-radius: 2px;
  padding: 0 2px;
  font-weight: 600;
}

/* --- Screenshot thumbnail --- */
.screenshot-btn {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-size: 1rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.screenshot-btn:hover { background: rgba(88,166,255,0.1); }
.screenshot-btn.empty { color: var(--text-muted); cursor: default; }

/* --- Realtime dot --- */
.realtime-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: realtime-pulse 1.5s infinite;
}
@keyframes realtime-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(63,185,80,0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(63,185,80,0); }
}

/* --- Page header --- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header-left h1 { margin-bottom: 4px; }
.page-header-left p { color: var(--text-secondary); font-size: 0.8rem; }
.page-header-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* --- Section grid --- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 1100px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) { .grid-3 { grid-template-columns: 1fr; } }

/* --- Saved filters chips --- */
.filters-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.filter-chip {
  background: rgba(88,166,255,0.1);
  border: 1px solid rgba(88,166,255,0.3);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.75rem;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-chip:hover { background: rgba(88,166,255,0.2); }
.filter-chip .chip-remove {
  background: none;
  border: none;
  color: inherit;
  font-size: 0.75rem;
  line-height: 1;
  padding: 0;
  opacity: 0.6;
}
.filter-chip .chip-remove:hover { opacity: 1; }

/* --- Wordcloud area --- */
.wordcloud-wrap {
  min-height: 180px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* --- Alert rules --- */
.alert-rule {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.alert-rule-status {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.alert-rule-status.active { background: var(--accent-green); }
.alert-rule-status.triggered { background: var(--accent-orange); animation: pulse-green 1.5s infinite; }
.alert-rule-status.inactive { background: var(--text-muted); }
.alert-rule-info { flex: 1; min-width: 0; }
.alert-rule-name { font-weight: 600; font-size: 0.85rem; }
.alert-rule-desc { font-size: 0.75rem; color: var(--text-secondary); margin-top: 2px; }
.alert-rule-actions { display: flex; gap: 6px; }