:root {
  --bg: #111;
  --bg2: #1a1a1a;
  --bg3: #333;
  --accent: #fff;
  --text: #e0e0e0;
  --text2: #888;
  --success: #4a4;
  --warning: #a80;
  --error: #a44;
}

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

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

header {
  background: var(--bg2);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--bg3);
}

.header-logo {
  height: 44px;
  width: auto;
}

.config {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.config input {
  background: var(--bg);
  border: 1px solid var(--bg3);
  color: var(--text);
  padding: 0.5rem;
  border-radius: 4px;
  width: 200px;
}

.config button {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid #555;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
}

.config button:hover {
  background: #444;
}

main {
  display: flex;
  min-height: calc(100vh - 60px);
}

nav {
  background: var(--bg2);
  width: 200px;
  padding: 1rem;
  border-right: 1px solid var(--bg3);
  position: relative;
  z-index: 1;
}

nav button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text2);
  padding: 0.75rem;
  cursor: pointer;
  border-radius: 4px;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

nav button:hover {
  background: var(--bg3);
  color: var(--text);
}

nav button.active {
  background: var(--bg3);
  color: var(--text);
  border-left: 2px solid var(--text);
}

.content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
  position: relative;
  z-index: 10;
}

.section {
  display: none;
}

.section.active {
  display: block;
}

.section h2 {
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--bg3);
}

.card {
  background: var(--bg2);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1rem;
  color: var(--text2);
  margin-bottom: 0.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.stat-box {
  background: var(--bg3);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
}

.stat-box .value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text);
}

.stat-box .label {
  color: var(--text2);
  font-size: 0.8rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--bg3);
}

th {
  background: var(--bg3);
  color: var(--text2);
}

tr:hover {
  background: var(--bg3);
}

.btn {
  padding: 0.4rem 0.8rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  margin-right: 0.25rem;
}

.btn-primary {
  background: #555;
  color: var(--text);
}

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

.btn-warning {
  background: var(--warning);
  color: black;
}

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

.btn-small {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.form-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.form-row label {
  min-width: 120px;
  color: var(--text2);
}

.form-row input,
.form-row select {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--bg3);
  color: var(--text);
  padding: 0.5rem;
  border-radius: 4px;
}

.actions {
  margin-top: 1rem;
}

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  z-index: 1000;
  animation: slideIn 0.3s ease;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--error);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background: var(--success);
  color: white;
}

.badge-danger {
  background: var(--error);
  color: white;
}

.badge-warning {
  background: var(--warning);
  color: black;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg2);
  padding: 2rem;
  border-radius: 8px;
  min-width: 400px;
  max-width: 600px;
}

.modal-content h3 {
  margin-bottom: 1rem;
  color: var(--text);
}

.modal-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.mono {
  font-family: monospace;
  font-size: 0.85rem;
}

pre {
  background: var(--bg);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.8rem;
}

/* Section descriptions */
.section-desc {
  color: var(--text2);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  margin-top: -0.5rem;
}

/* Connection status */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-indicator.connected {
  background: rgba(68, 170, 68, 0.2);
  color: var(--success);
}

.status-indicator.disconnected {
  background: rgba(170, 68, 68, 0.2);
  color: var(--error);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-indicator.connected .status-dot {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--text2);
}

.loading::before {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--bg3);
  border-top-color: var(--text);
  border-radius: 50%;
  margin-right: 0.75rem;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text2);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.empty-state-desc {
  font-size: 0.9rem;
}

/* Tooltips */
.tooltip {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted var(--text2);
}

/* Buttons with tooltips don't need the dotted underline */
button.tooltip,
.btn.tooltip {
  cursor: pointer;
  border-bottom: none;
}

.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 9999;
  border: 1px solid var(--bg3);
  margin-bottom: 0.5rem;
  white-space: nowrap;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Button improvements */
.btn {
  transition: all 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary:hover {
  background: #666;
}

.btn-success:hover {
  background: #5b5;
}

.btn-warning:hover {
  background: #c90;
}

.btn-danger:hover {
  background: #b55;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Stat box clickable */
.stat-box.clickable {
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.stat-box.clickable:hover {
  transform: translateY(-2px);
  background: #444;
}

/* Help text under inputs */
.help-text {
  font-size: 0.75rem;
  color: var(--text2);
  margin-top: 0.25rem;
}

/* Action buttons with descriptions */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.action-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.action-item .btn {
  width: 100%;
}

.action-desc {
  font-size: 0.75rem;
  color: var(--text2);
  line-height: 1.3;
}