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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background-color: #0f172a; /* darkBackground */
  color: #f8fafc; /* darkText */
  overflow-x: hidden;
}

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

.header {
  padding: 10px 16px;
  background-color: #1e293b; /* darkCard */
  border-bottom: 1px solid #334155; /* darkBorder */
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #f8fafc; /* darkText */
  margin: 0;
}

.section-tabs {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 800px;
  justify-content: center;
}

.section-tabs button {
  padding: 10px 20px;
  background-color: #2d3748; /* Slightly lighter than darkCard */
  color: #cbd5e1; /* darkTextSecondary */
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.section-tabs button.active {
  background-color: #0066cc; /* primary */
  color: #ffffff; /* white */
}

.section-tabs button:hover:not(.active) {
  background-color: #4a5568; /* Medium gray */
  color: #f8fafc; /* darkText */
}

.main {
  flex: 1;
  padding: 16px;
  width: 100%;
}

.app-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  height: calc(100vh - 80px);
}

.left-panel,
.right-panel {
  background-color: #1e293b; /* darkCard */
  border: 1px solid #334155; /* darkBorder */
  border-radius: 8px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.left-panel {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.task-section,
.chat-section,
.computer-section {
  background-color: #1e293b; /* darkCard */
  border: 1px solid #334155; /* darkBorder */
  border-radius: 8px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.task-section h2,
.chat-section h2,
.computer-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #cbd5e1; /* darkTextSecondary */
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #334155; /* darkBorder */
  padding-bottom: 8px;
}

.task-details {
  flex: 1;
  overflow-y: auto;
  background-color: #2d3748; /* Slightly lighter than darkCard */
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
}

.screenshot-container {
  flex: 1;
  overflow: auto;
  margin-top: 12px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background-color: #2d3748; /* Slightly lighter than darkCard */
  border-radius: 8px;
  padding: 16px;
}

.screenshot-container img {
  max-width: 100%;
  border: 1px solid #4a5568; /* Medium gray */
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.left-panel h2,
.right-panel h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #cbd5e1; /* darkTextSecondary */
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 8px;
}

.placeholder {
  text-align: center;
  color: #64748b; /* lighter gray */
  margin-top: 20px;
  font-style: italic;
}

.message {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.messages::-webkit-scrollbar,
.content::-webkit-scrollbar {
  width: 6px;
}

.messages::-webkit-scrollbar-track,
.content::-webkit-scrollbar-track {
  background: #2d3748; /* Slightly lighter than darkCard */
  border-radius: 8px;
}

.messages::-webkit-scrollbar-thumb,
.content::-webkit-scrollbar-thumb {
  background: #4a5568; /* Medium gray */
  border-radius: 8px;
}

.messages::-webkit-scrollbar-thumb:hover,
.content::-webkit-scrollbar-thumb:hover {
  background: #718096; /* Lighter gray on hover */
}

.user-message {
  background-color: #0066cc; /* primary */
  color: #ffffff; /* white */
  align-self: flex-end;
  border-top-right-radius: 4px;
}

.agent-message {
  background-color: #2d3748; /* Slightly lighter than darkCard */
  color: #f8fafc; /* darkText */
  align-self: flex-start;
  border-top-left-radius: 4px;
}

.error-message {
  background-color: #dc3545; /* error */
  color: #ffffff; /* white */
  align-self: flex-start;
  border-top-left-radius: 4px;
}

.agent-name {
  display: block;
  font-size: 0.8rem;
  color: #cbd5e1; /* darkTextSecondary */
  margin-bottom: 4px;
  font-weight: 500;
}

.loading-animation {
  text-align: center;
  color: #cbd5e1; /* darkTextSecondary */
  padding: 8px 0;
  font-size: 0.9rem;
  font-style: italic;
  border-top: 1px solid #334155; /* darkBorder */
  margin-bottom: 8px;
}

.input-form {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.input-form input {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.95rem;
  background-color: #2d3748; /* Slightly lighter than darkCard */
  border: 1px solid #4a5568; /* Medium gray */
  color: #f8fafc; /* darkText */
  border-radius: 8px;
  outline: none;
  transition: all 0.2s ease;
}

.input-form input:focus {
  border-color: #0066cc; /* primary */
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2); /* primary with opacity */
}

.input-form button {
  padding: 12px 20px;
  font-size: 0.95rem;
  background-color: #0066cc; /* primary */
  color: #ffffff; /* white */
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.input-form button:hover {
  background-color: #004c99; /* primaryDark */
}

.input-form button:disabled {
  background-color: #4a5568; /* Medium gray */
  opacity: 0.7;
  cursor: not-allowed;
}

.right-panel {
  padding: 16px;
}

.view-selector {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.view-selector button {
  padding: 10px 16px;
  font-size: 0.9rem;
  background-color: #2d3748; /* Slightly lighter than darkCard */
  color: #cbd5e1; /* darkTextSecondary */
  border: 1px solid #4a5568; /* Medium gray */
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.view-selector button.active {
  background-color: #0066cc; /* primary */
  color: #ffffff; /* white */
  border-color: #0066cc; /* primary */
}

.view-selector button:hover:not(.active) {
  background-color: #4a5568; /* Medium gray */
  color: #f8fafc; /* darkText */
}

.view-selector button:disabled {
  background-color: #4a5568; /* Medium gray */
  opacity: 0.5;
  cursor: not-allowed;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  margin-top: 8px;
}

.blocks {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.block {
  background-color: #2d3748; /* Slightly lighter than darkCard */
  padding: 16px;
  border: 1px solid #4a5568; /* Medium gray */
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.block-tool,
.block-feedback,
.block-success {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: #cbd5e1; /* darkTextSecondary */
}

.block-tool {
  font-weight: 600;
  color: #0066cc; /* primary */
}

.block-success {
  color: #28a745; /* success */
}

.block pre {
  background-color: #1a202c; /* Darker than darkCard */
  padding: 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: #e2e8f0; /* Light gray */
  margin: 8px 0;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
}

.screenshot {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.screenshot img {
  max-width: 100%;
  border: 1px solid #4a5568; /* Medium gray */
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.error {
  color: #dc3545; /* error */
  font-size: 0.9rem;
  margin-bottom: 12px;
  padding: 8px 12px;
  background-color: rgba(220, 53, 69, 0.1); /* error with opacity */
  border-radius: 6px;
  border-left: 3px solid #dc3545; /* error */
}

@media (max-width: 1024px) {
  .app-sections {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
  }

  .task-section {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .main {
    padding: 16px;
  }

  .app-sections {
    grid-template-columns: 1fr;
    height: auto;
    gap: 16px;
  }

  .task-section,
  .chat-section,
  .computer-section {
    height: calc(33vh - 60px);
    min-height: 300px;
  }

  .header h1 {
    font-size: 1.5rem;
  }

  .input-form button {
    padding: 12px 16px;
  }
}

@media (max-width: 480px) {
  .main {
    padding: 12px;
  }

  .message {
    max-width: 90%;
    padding: 10px 12px;
  }

  .view-selector button {
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  .task-section,
  .chat-section,
  .computer-section {
    padding: 12px;
  }

  .input-form {
    margin-top: 8px;
  }

  .header h1 {
    font-size: 1.3rem;
  }

  .task-section h2,
  .chat-section h2,
  .computer-section h2 {
    font-size: 1rem;
    margin-bottom: 8px;
    padding-bottom: 6px;
  }
}