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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0f172a;
  color: #f1f5f9;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.topbar h1 {
  font-size: 16px;
  font-weight: 700;
  color: #f8fafc;
}

.subtitle {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 2px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.conn-badge {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #334155;
  color: #cbd5e1;
}

.conn-badge.connected {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.layout {
  display: grid;
  grid-template-columns: 390px 1fr;
  flex: 1;
  min-height: 0;
}

.sidebar {
  background: #111827;
  border-right: 1px solid #1e293b;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 12px 14px;
}

.status-card {
  background: linear-gradient(145deg, #1e293b, #172554);
  border-color: #3b82f6;
}

.status-card.user-action {
  background: linear-gradient(145deg, #422006, #1e293b);
  border-color: #f59e0b;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25);
}

.status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}

.badge-idle {
  background: #334155;
  color: #e2e8f0;
}

.badge-user {
  background: #f59e0b;
  color: #0f172a;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.status-card h2 {
  font-size: 14.5px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 5px;
}

.status-card p {
  font-size: 12.5px;
  line-height: 1.5;
  color: #cbd5e1;
}

.helper-box {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(245, 158, 11, 0.45);
}

.helper-title {
  font-size: 12px;
  font-weight: 600;
  color: #fcd34d;
  margin-bottom: 6px;
}

.helper-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: #94a3b8;
  margin-bottom: 10px;
}

.guard-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
}

.guard-unknown {
  background: #334155;
  color: #cbd5e1;
}

.guard-ok {
  background: rgba(22, 163, 74, 0.25);
  border: 1px solid #22c55e;
  color: #86efac;
}

.guard-bad {
  background: rgba(220, 38, 38, 0.25);
  border: 1px solid #ef4444;
  color: #fca5a5;
}

.guard-warn {
  background: rgba(217, 119, 6, 0.25);
  border: 1px solid #f59e0b;
  color: #fde68a;
}

.layer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  background: #0f172a;
  border: 1px solid #334155;
}

.layer-item.active {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.12);
}

.layer-item.completed {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.layer-info {
  display: flex;
  flex-direction: column;
}

.layer-info strong {
  font-size: 13px;
  color: #f8fafc;
}

.layer-info span {
  font-size: 11px;
  color: #94a3b8;
}

.layer-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.layer-status {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 5px;
  background: #1e293b;
  color: #94a3b8;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: #cbd5e1;
  cursor: pointer;
  margin-bottom: 8px;
  line-height: 1.4;
}

.checkbox-row input {
  margin-top: 2px;
  accent-color: #3b82f6;
}

.input-group input {
  width: 100%;
  padding: 7px 10px;
  border-radius: 7px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #f8fafc;
  font-size: 12px;
}

.quick-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.logs-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 160px;
}

.log-container {
  flex: 1;
  background: #090d16;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 8px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  overflow-y: auto;
  max-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.log-line {
  line-height: 1.4;
  word-break: break-word;
}

.log-time {
  color: #64748b;
  margin-right: 6px;
}

.log-info { color: #cbd5e1; }
.log-success { color: #4ade80; }
.log-warn { color: #fbbf24; }
.log-error { color: #f87171; }

.browser-panel {
  display: flex;
  flex-direction: column;
  background: #090d16;
  min-width: 0;
  min-height: 0;
}

.browser-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.url-bar {
  flex: 1;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #94a3b8;
  font-size: 12px;
}

.paste-box {
  display: flex;
  align-items: center;
  gap: 6px;
}

.paste-box input {
  width: 250px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #f8fafc;
  font-size: 12px;
}

.canvas-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  outline: none;
  background: #050811;
}

#browserCanvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.empty-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(9, 13, 22, 0.92);
  padding: 24px;
}

.empty-box {
  max-width: 560px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.empty-box h3 {
  font-size: 18px;
  margin-bottom: 14px;
  color: #fff;
}

.empty-box ol {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.55;
  color: #cbd5e1;
  margin-bottom: 20px;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.btn:hover {
  opacity: 0.92;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: #3b82f6;
  color: #fff;
}

.btn-danger {
  background: #ef4444;
  color: #fff;
}

.btn-accent {
  background: #f59e0b;
  color: #0f172a;
}

.btn-outline {
  background: #0f172a;
  color: #e2e8f0;
  border: 1px solid #334155;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
}

.btn-lg {
  width: 100%;
  padding: 12px;
  font-size: 14px;
}