/* Nexus MCP Enterprise Gateway - Design System & Styles */
:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #111726;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-hover: rgba(30, 41, 59, 0.6);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(6, 182, 212, 0.5);
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
}

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  margin-bottom: 0.25rem;
}

.brand h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand h1 span {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.glass-select {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.glass-select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.github-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
}

.github-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Main Content Grid */
.main-content {
  display: grid;
  grid-template-columns: 280px 1fr 340px;
  flex: 1;
  gap: 1px;
  background-color: var(--border-subtle);
}

/* Left Sidebar */
.sidebar-panel {
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  gap: 1.25rem;
  overflow-y: auto;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.count-badge {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.7rem;
}

.tool-list, .resource-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.tool-item, .resource-item {
  display: flex;
  flex-direction: column;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tool-item:hover, .resource-item:hover {
  background: var(--bg-hover);
  border-color: rgba(255, 255, 255, 0.05);
}

.tool-item.active {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.4);
}

.tool-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tool-item-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.risk-pill {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.risk-low { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.risk-medium { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }
.risk-high { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }

.tool-item-summary {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rbac-card {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.rbac-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--accent-cyan);
}

.rbac-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.security-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.5rem;
}

.metric-val {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.metric-label {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Center Panel */
.execution-panel {
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  gap: 1.25rem;
  overflow-y: auto;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.tool-header-info h2 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tool-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.role-tag {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.tool-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.action-buttons {
  display: flex;
  gap: 0.6rem;
}

.primary-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.sub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.sub-meta {
  font-weight: 400;
  color: var(--accent-cyan);
}

.parameter-builder {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.param-fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.param-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.param-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.param-type {
  color: var(--accent-purple);
  font-size: 0.75rem;
}

.param-input, .param-textarea {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s;
}

.param-input:focus, .param-textarea:focus {
  border-color: var(--accent-cyan);
}

.param-textarea {
  min-height: 80px;
  resize: vertical;
}

/* Result Display */
.result-container {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.result-box {
  background: #060911;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  flex: 1;
  min-height: 180px;
  max-height: 340px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
}

.result-box pre {
  white-space: pre-wrap;
  word-break: break-all;
}

/* HITL Banner */
.hitl-banner {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.4);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.hitl-banner.hidden {
  display: none;
}

.hitl-content {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.hitl-icon {
  font-size: 1.5rem;
}

.hitl-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-rose);
}

.hitl-text p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.hitl-text code {
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.approve-btn {
  background: var(--accent-rose);
  color: #fff;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.approve-btn:hover {
  background: #e11d48;
}

/* Right Panel: Inspector */
.inspector-panel {
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tab-header {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.85rem 0;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.02);
}

.tab-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  gap: 0.75rem;
}

.tab-content.hidden {
  display: none;
}

.trace-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.text-btn {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  cursor: pointer;
}

.trace-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.trace-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.trace-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.trace-name {
  font-weight: 700;
  color: var(--text-primary);
}

.trace-badge {
  font-size: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.trace-ok { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.trace-err { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }

.trace-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.jsonrpc-views {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.jsonrpc-block {
  display: flex;
  flex-direction: column;
  flex: 1;
  background: #060911;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  overflow: auto;
}

.jsonrpc-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.jsonrpc-block pre {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Footer */
.app-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: #070a12;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-links span {
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}