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

:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-2: #1a1a26;
  --border: #2a2a3a;
  --text: #e4e4ed;
  --text-dim: #8888a0;
  --primary: #6366f1;
  --primary-dim: #4f46e5;
  --green: #22c55e;
  --green-bg: rgba(34, 197, 94, 0.1);
  --yellow: #eab308;
  --yellow-bg: rgba(234, 179, 8, 0.1);
  --red: #ef4444;
  --red-bg: rgba(239, 68, 68, 0.1);
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.app {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 32px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-icon {
  font-size: 36px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.tagline {
  color: var(--text-dim);
  font-size: 15px;
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat-number.approved { color: var(--green); }
.stat-number.flagged { color: var(--yellow); }
.stat-number.spam { color: var(--red); }

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 15px;
  font-weight: 600;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

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

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dim);
}

.btn-success {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.btn-danger {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
}

/* Rules */
.rules-list {
  padding: 0;
}

.rule-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}

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

.rule-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rule-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.rule-badge.block { background: var(--red-bg); color: var(--red); }
.rule-badge.flag { background: var(--yellow-bg); color: var(--yellow); }
.rule-badge.approve { background: var(--green-bg); color: var(--green); }

.rule-value {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--text);
}

.rule-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: 4px;
}

.rule-delete:hover {
  color: var(--red);
  background: var(--red-bg);
}

.rules-empty {
  padding: 24px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}

/* Add Rule Form */
.add-rule-form {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

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

.form-row select,
.form-row input {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}

.form-row select {
  min-width: 160px;
}

.form-row input {
  flex: 1;
}

/* Comment Input */
.comment-input {
  padding: 16px 20px;
}

.comment-input textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  line-height: 1.5;
}

.comment-input textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.input-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 4px;
}

.tab {
  padding: 5px 12px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

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

.tab.active {
  background: var(--surface-2);
  color: var(--text);
}

/* Comments List */
.comments-list {
  max-height: 500px;
  overflow-y: auto;
}

.comment-item {
  display: flex;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

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

.comment-status {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 6px;
}

.comment-status.approved { background: var(--green); }
.comment-status.flagged { background: var(--yellow); }
.comment-status.spam { background: var(--red); }

.comment-body {
  flex: 1;
  min-width: 0;
}

.comment-text {
  font-size: 14px;
  word-break: break-word;
}

.comment-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
  display: flex;
  gap: 12px;
}

.comment-reason {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
}

.comment-reason.spam-reason {
  background: var(--red-bg);
  color: var(--red);
}

.comment-reason.flag-reason {
  background: var(--yellow-bg);
  color: var(--yellow);
}

.comment-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.comment-actions button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s;
}

.comment-actions button:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.comment-actions button.action-approve:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-bg);
}

.comment-actions button.action-delete:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-bg);
}

/* Empty State */
.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
}

.empty-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
}

/* Bulk Actions */
.bulk-actions {
  padding: 16px 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  text-align: center;
  padding: 32px 0 16px;
  color: var(--text-dim);
  font-size: 13px;
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Scrollbar */
.comments-list::-webkit-scrollbar {
  width: 6px;
}

.comments-list::-webkit-scrollbar-track {
  background: transparent;
}

.comments-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  z-index: 100;
  animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 600px) {
  .app { padding: 20px 12px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-wrap: wrap; }
  .form-row select { min-width: 100%; }
  .filter-tabs { flex-wrap: wrap; }
  .bulk-actions { flex-direction: column; }
  .panel-header { flex-direction: column; gap: 8px; align-items: flex-start; }
}