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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  background: #0f1117;
  color: #e2e8f0;
  width: 360px;
  min-height: 200px;
  max-height: 680px;
  overflow-y: auto;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #161b27;
  border-bottom: 1px solid #1e2535;
}

.logo {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 13px;
  color: #7c93e8;
}

.btn-add {
  display: flex;
  align-items: center;
  gap: 5px;
  background: #2a4bda;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-add:hover { background: #3b5fee; }

/* Cloud sync */
.cloud-panel {
  background: #111620;
  border-bottom: 1px solid #1e2535;
  padding: 10px 14px;
}
.cloud-summary { display:flex; align-items:center; justify-content:space-between; gap:10px; }
.cloud-title { display:flex; align-items:center; gap:8px; min-width:0; }
.cloud-title strong,.cloud-title small { display:block; }
.cloud-title strong { font-size:11.5px; font-weight:600; color:#cbd4e6; }
.cloud-title small { margin-top:2px; color:#6f7b8f; font-size:10px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:230px; }
.cloud-dot { width:7px; height:7px; border-radius:50%; background:#5b6678; flex-shrink:0; }
.cloud-dot.online { background:#5cbf8a; box-shadow:0 0 0 3px #224033; }
.cloud-toggle { border:0; background:transparent; color:#8194ed; font-size:10.5px; cursor:pointer; padding:4px; }
.cloud-body { display:flex; flex-direction:column; gap:9px; padding-top:10px; }
.cloud-body .form-group { gap:3px; }
.cloud-body .form-group label { font-size:9.5px; }
.cloud-body .form-group input { padding:6px 8px; font-size:11px; }
.cloud-credentials { display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.cloud-actions { display:flex; justify-content:flex-end; gap:7px; }
.cloud-actions button,.pair-row button { padding:5px 9px; font-size:10.5px; }
.pair-row { display:flex; gap:7px; }
.pair-row input { flex:1; min-width:0; background:#0f1117; border:1px solid #1e2535; border-radius:6px; color:#e2e8f0; padding:6px 8px; outline:none; font-size:11px; font-family:'SF Mono','Fira Code','Consolas',monospace; text-transform:uppercase; }
.cloud-error { color:#f49a9a; min-height:12px; font-size:10px; }
.install-id { color:#4b5669; font-family:'SF Mono','Fira Code','Consolas',monospace; font-size:9px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* Browser control tools */
.browser-tools-panel { display:grid; gap:9px; padding:11px 14px; background:#10151e; border-bottom:1px solid #1e2535; }
.privacy-title strong,.privacy-title small,.cookie-tool b,.cookie-tool small { display:block; }
.privacy-title strong { color:#cbd4e6; font-size:11.5px; }
.privacy-title small { margin-top:2px; color:#6f7b8f; font-size:9.5px; }
.cookie-tool b { font-size:10.5px; font-weight:600; }
.cookie-tool small { margin-top:2px; color:#6f7b8f; font-size:9.5px; line-height:1.35; }
.cookie-tool { display:grid; gap:7px; padding-top:8px; border-top:1px solid #1a2130; }
.cookie-actions { display:flex; gap:7px; }
.cookie-actions .btn-cancel { padding:4px 8px; font-size:10px; }
.cookie-actions button:disabled { opacity:.55; cursor:default; }
.cookie-result { min-height:11px; color:#96a3bd; font-size:9.5px; line-height:1.4; overflow-wrap:anywhere; }
.storage-panel { display:grid; gap:7px; padding:11px 14px; background:#0e131c; border-bottom:1px solid #1e2535; }
.storage-actions,.storage-tabs { display:flex; gap:5px; flex-wrap:wrap; }
.storage-actions button,.storage-tabs button { padding:4px 7px; font-size:9px; }
.storage-search,.storage-editor input,.storage-editor textarea { width:100%; background:#0f1117; border:1px solid #1e2535; border-radius:5px; color:#e2e8f0; padding:6px 8px; font-size:10px; }
.storage-editor textarea { min-height:48px; resize:vertical; font-family:monospace; }
.storage-tab { background:transparent; border:1px solid #1e2535; color:#8892a4; border-radius:5px; cursor:pointer; }
.storage-tab.active { background:#1e3a8a; color:#fff; }
.storage-list { max-height:145px; overflow:auto; border:1px solid #1e2535; border-radius:5px; }
.storage-row { display:flex; gap:6px; align-items:center; padding:5px 7px; border-bottom:1px solid #161b27; cursor:pointer; font-size:9px; }
.storage-row:last-child { border-bottom:0; }
.storage-row.selected { background:#1e2a44; }
.storage-row b { color:#e2a44b; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:42%; }
.storage-row span { color:#96a3bd; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.storage-editor { display:grid; gap:5px; }

/* Form */
.form-panel {
  background: #161b27;
  border-bottom: 1px solid #1e2535;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Replace type sub-tabs */
.replace-type-tabs {
  display: flex;
  gap: 4px;
  background: #0a0c14;
  border-radius: 6px;
  padding: 3px;
}

.rtype-tab {
  flex: 1;
  border: none;
  background: transparent;
  color: #4a5568;
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.rtype-tab.active {
  background: #1e3a8a;
  color: #93c5fd;
}

.rtype-tab:not(.active):hover {
  color: #e2e8f0;
}

/* Mode tabs */
.mode-tabs {
  display: flex;
  gap: 4px;
  background: #0f1117;
  border-radius: 7px;
  padding: 3px;
}

.mode-tab {
  flex: 1;
  border: none;
  background: transparent;
  color: #4a5568;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 8px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}

.mode-tab.active {
  background: #2a4bda;
  color: #fff;
}

.mode-tab:not(.active):hover {
  color: #e2e8f0;
  background: #1e2535;
}

/* Form fields */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 11px;
  font-weight: 500;
  color: #8892a4;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input {
  background: #0f1117;
  border: 1px solid #1e2535;
  border-radius: 6px;
  color: #e2e8f0;
  font-size: 12.5px;
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.15s;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.form-group input:focus { border-color: #2a4bda; }
.form-group input::placeholder { color: #3a4255; }

.form-group textarea {
  background: #0f1117;
  border: 1px solid #1e2535;
  border-radius: 6px;
  color: #e2e8f0;
  font-size: 11.5px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.15s;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-group textarea:focus { border-color: #2a4bda; }
.form-group textarea::placeholder { color: #3a4255; }

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

.toggle-label {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: #2a4bda;
  cursor: pointer;
}

.toggle-text {
  font-size: 12px;
  color: #8892a4;
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.btn-cancel {
  background: transparent;
  border: 1px solid #1e2535;
  color: #8892a4;
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-cancel:hover { border-color: #2a3044; color: #e2e8f0; }

.btn-save {
  background: #2a4bda;
  border: none;
  color: #fff;
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-save:hover { background: #3b5fee; }

/* Rules */
.rules-container {
  flex: 1;
  overflow-y: auto;
  max-height: 340px;
}

.rules-container::-webkit-scrollbar { width: 4px; }
.rules-container::-webkit-scrollbar-track { background: transparent; }
.rules-container::-webkit-scrollbar-thumb { background: #1e2535; border-radius: 2px; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 36px 20px;
  color: #4a5568;
  text-align: center;
  line-height: 1.5;
}

.empty-state strong { color: #6b7280; }

.rules-list { list-style: none; padding: 6px 0; }

.rule-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid #161b27;
  transition: background 0.1s;
}

.rule-item:hover { background: #161b27; }
.rule-item.disabled { opacity: 0.45; }

.rule-toggle {
  margin-top: 2px;
  width: 14px;
  height: 14px;
  accent-color: #2a4bda;
  cursor: pointer;
  flex-shrink: 0;
}

.rule-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.rule-from {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 11.5px;
  color: #e2a44b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rule-arrow { font-size: 10px; color: #3a4255; }

.rule-to {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 11.5px;
  color: #5cbf8a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rule-preview {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 10px;
  color: #5cbf8a;
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-style: italic;
}

.badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.rule-badge {
  display: inline-block;
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.rule-badge.regex { background: #1e2535; color: #5a7ddd; }
.rule-badge.replace { background: #1e2a1e; color: #5cbf8a; }

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

.btn-icon {
  background: transparent;
  border: none;
  color: #3a4255;
  cursor: pointer;
  padding: 3px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color 0.15s, background 0.15s;
}

.btn-icon:hover { color: #e2e8f0; background: #1e2535; }
.btn-icon.delete:hover { color: #f87171; background: #2a1a1a; }

/* Footer */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-top: 1px solid #1e2535;
  background: #161b27;
}

#ruleCount { font-size: 11px; color: #4a5568; }
.hint { font-size: 10.5px; color: #2a3044; }