frontend/src/index.css

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary: #B81104;
  /* Milano Red */
  --primary-hover: #9a0e03;
  --secondary: #FFFFFF;
  --bg-color: #f8f9fa;
  --text-main: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --bubble-user: #B81104;
  --bubble-bot: #FFFFFF;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

#root {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.app-container {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: white;
  box-shadow: var(--shadow);
}

header {
  padding: 1rem 2rem;
  background-color: var(--secondary);
  border-bottom: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-logo {
  height: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo img {
  height: 100%;
  object-fit: contain;
}

.header-title {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.25rem;
}

.chat-window {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: #fdfdfd;
}

.message {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.user {
  align-self: flex-end;
}

.message.assistant {
  align-self: flex-start;
}

.message-bubble {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  line-height: 1.6;
  font-size: 1rem;
  position: relative;
}

.user .message-bubble {
  background-color: var(--bubble-user);
  color: white;
  border-bottom-right-radius: 2px;
}

.assistant .message-bubble {
  background-color: var(--bubble-bot);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 2px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.message-sender {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-muted);
}

.message-content p {
  margin-bottom: 0.75rem;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.input-area {
  padding: 1.5rem 2rem;
  background: white;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 1rem;
}

.input-container {
  flex: 1;
  position: relative;
}

input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(184, 17, 4, 0.1);
}

button.send-btn {
  background-color: var(--primary);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

button.send-btn:hover {
  background-color: var(--primary-hover);
}

button.send-btn:active {
  transform: scale(0.95);
}

button.send-btn:disabled {
  background-color: var(--border-color);
  cursor: not-allowed;
}


/* Markdown styling */
.assistant .message-bubble ul,
.assistant .message-bubble ol {
  margin-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.assistant .message-bubble li {
  margin-bottom: 0.25rem;
}

code {
  background: #f1f3f5;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: monospace;
}

pre {
  background: #f1f3f5;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1rem 0;
}