:root {
  --bg-dark: #0d0d0d;
  --bg-panel: #1a1a1a;
  --bg-input: #252525;
  --text-primary: #e0e0e0;
  --text-secondary: #888;
  --accent: #ff6b00;
  --accent-hover: #ff8c33;
  --border: #333;
  --success: #00ff41;
  --error: #ff3333;
  --font-display: "Oswald", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-mono);
  min-height: 100vh;
  padding: 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

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

h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-secondary);
  animation: pulse 2s infinite;
}

.status-dot.connected {
  background: var(--success);
}

.status-dot.error {
  background: var(--error);
}

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

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.panel-header {
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

input, textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

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

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--bg-dark);
  border: none;
  font-family: var(--font-display);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}

button:hover {
  background: var(--accent-hover);
}

button.secondary {
  background: var(--bg-input);
  color: var(--text-primary);
}

button.secondary:hover {
  background: var(--border);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-group {
  display: flex;
  gap: 0.5rem;
}

.file-list {
  list-style: none;
}

.file-item {
  padding: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.2s;
}

.file-item:hover {
  border-color: var(--accent);
}

.file-info {
  flex: 1;
}

.file-name {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.file-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.file-actions {
  display: flex;
  gap: 0.5rem;
}

.file-actions button {
  width: auto;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.notification {
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notification.success {
  background: rgba(0, 255, 65, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.notification.error {
  background: rgba(255, 51, 51, 0.1);
  border-color: var(--error);
  color: var(--error);
}

.notification button {
  width: auto;
  padding: 0.5rem 1rem;
  background: transparent;
  color: inherit;
}

.empty-state {
  padding: 2rem;
  text-align: center;
  color: var(--text-secondary);
  border: 1px dashed var(--border);
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
}

.back-link:hover {
  color: var(--accent);
}

.config-link {
  display: inline-block;
  margin-bottom: 1rem;
  margin-left: 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
}

.config-link:hover {
  color: var(--accent);
}

.divider {
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}