:root {
  --font-heading: 'Poppins', system-ui, -apple-system, sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;

  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #1a1a1a;
  --bg-hover: #2a2a2a;
  --bg-active: #333333;

  --border: #2a2a2e;
  --border-light: #3a3a3e;

  --accent: #9CF505;
  --accent-hover: #b3ff33;
  --accent-muted: rgba(156, 245, 5, 0.12);
  --accent-secondary: #5387e6;
  --accent-warning: #fcff00;

  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;

  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);

  --sidebar-width: 15vw;
  --transition: 150ms ease;
  --transition-slow: 300ms ease;
}

*, *::before, *::after {
  box-sizing: border-box;
}

.codemps-widget {
  font-family: var(--font-body);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.codemps-widget h1, .codemps-widget h2, .codemps-widget h3,
.codemps-widget h4, .codemps-widget h5, .codemps-widget h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin: 0 0 0.5em;
  line-height: 1.3;
}

.codemps-widget h1 { font-size: 32px; }
.codemps-widget h2 { font-size: 26px; }
.codemps-widget h3 { font-size: 22px; }
.codemps-widget h4 { font-size: 18px; }
.codemps-widget h5 { font-size: 15px; }
.codemps-widget h6 { font-size: 13px; }

.codemps-widget p { margin: 0 0 1em; color: var(--text-secondary); }

.codemps-widget input[type="text"],
.codemps-widget input[type="email"],
.codemps-widget input[type="password"],
.codemps-widget input[type="url"],
.codemps-widget input[type="number"],
.codemps-widget textarea,
.codemps-widget select {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.codemps-widget input:focus,
.codemps-widget textarea:focus,
.codemps-widget select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.codemps-widget input::placeholder,
.codemps-widget textarea::placeholder { color: var(--text-tertiary); }

.codemps-widget label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.codemps-widget .codemps-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1;
}

.codemps-widget .codemps-btn-primary {
  background: var(--accent);
  color: #000;
}

.codemps-widget .codemps-btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px rgba(156, 245, 5, 0.3);
}

.codemps-widget .codemps-btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.codemps-widget .codemps-btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

.codemps-widget .codemps-btn-success {
  background: var(--success);
  color: #000;
}

.codemps-widget .codemps-btn-danger {
  background: var(--error);
  color: #fff;
}

.codemps-widget .codemps-btn-sm { padding: 6px 14px; font-size: 12px; }
.codemps-widget .codemps-btn-lg { padding: 14px 28px; font-size: 15px; }
.codemps-widget .codemps-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.codemps-widget .codemps-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.codemps-widget .codemps-input-group { margin-bottom: 16px; }

.codemps-widget .codemps-error { color: var(--error); font-size: 13px; margin-top: 4px; }
.codemps-widget .codemps-success-msg { color: var(--success); font-size: 13px; margin-top: 4px; }

.codemps-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  z-index: 99999;
  font-family: var(--font-body);
  animation: codemps-slide-in 200ms ease;
}

.codemps-toast--success { background: var(--success); color: #000; }
.codemps-toast--error { background: var(--error); color: #fff; }

@keyframes codemps-slide-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.codemps-widget .codemps-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: codemps-spin 0.6s linear infinite;
  display: inline-block;
}

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

.codemps-widget .codemps-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px;
  color: var(--text-tertiary);
}

.codemps-widget .codemps-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.codemps-widget .codemps-badge--success { background: var(--success-bg); color: var(--success); }
.codemps-widget .codemps-badge--error { background: var(--error-bg); color: var(--error); }
.codemps-widget .codemps-badge--warning { background: var(--warning-bg); color: var(--warning); }
.codemps-widget .codemps-badge--accent { background: var(--accent-muted); color: var(--accent); }

.codemps-widget ::-webkit-scrollbar { width: 6px; }
.codemps-widget ::-webkit-scrollbar-track { background: transparent; }
.codemps-widget ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.codemps-widget ::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

.codemps-dashboard,
.codemps-chat-widget {
  display: flex;
  height: 100%;
  overflow: hidden;
}

.codemps-dashboard-sidebar,
.codemps-chat-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.codemps-dashboard-sidebar,
.codemps-chat-sidebar {
  background: var(--bg-secondary);
}

.codemps-dashboard-content {
  flex: 1;
  overflow-y: auto;
  height: 100%;
  padding: 32px;
}

.codemps-sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.codemps-sidebar-brand {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.codemps-sidebar-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-tertiary);
}

.codemps-sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.codemps-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
  margin-bottom: 2px;
  cursor: pointer;
}

.codemps-nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.codemps-nav-item.active {
  background: var(--accent-muted);
  color: var(--accent);
}

.codemps-nav-icon { font-size: 16px; line-height: 1; }
.codemps-nav-label { font-size: 14px; }

.codemps-sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.codemps-widget table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.codemps-widget th {
  text-align: left;
  padding: 8px 4px;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border);
}

.codemps-widget td {
  padding: 8px 4px;
  border-bottom: 1px solid var(--border);
}

.codemps-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.codemps-chat-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.codemps-chat-title {
  font-size: 14px;
  font-weight: 500;
}

.codemps-chat-model-select {
  width: auto;
  padding: 4px 8px;
  font-size: 12px;
}

.codemps-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.codemps-chat-msg {
  max-width: 80%;
}

.codemps-chat-msg--user { align-self: flex-end; }
.codemps-chat-msg--assistant { align-self: flex-start; }

.codemps-chat-msg-content {
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.codemps-chat-msg--user .codemps-chat-msg-content {
  background: var(--accent-muted);
}

.codemps-chat-msg-content p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

.codemps-chat-msg-content pre {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  overflow-x: auto;
  font-size: 13px;
  margin: 8px 0;
}

.codemps-chat-msg-content code {
  font-family: var(--font-mono);
  font-size: 13px;
}

.codemps-chat-msg-content pre code {
  background: none;
  padding: 0;
  border: none;
}

.codemps-chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.codemps-chat-upload-area {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.codemps-chat-controls {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.codemps-chat-input {
  flex: 1;
  resize: none;
}

.codemps-chat-sessions {
  list-style: none;
  padding: 8px;
  margin: 0;
  overflow-y: auto;
  flex: 1;
}

.codemps-chat-sessions li {
  margin-bottom: 2px;
}

.codemps-chat-session-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: background var(--transition);
}

.codemps-chat-session-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.codemps-chat-session-link.active {
  background: var(--accent-muted);
  color: var(--accent);
}

.codemps-chat-session-title-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.codemps-chat-delete {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0 4px;
  font-size: 16px;
  line-height: 1;
}

.codemps-chat-delete:hover { color: var(--error); }

@media (max-width: 768px) {
  :root { --sidebar-width: 100%; }
  .codemps-dashboard,
  .codemps-chat-widget { flex-direction: column; }
}