frontend/src/index.css

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

:root {
  --primary: #1B8DC6;
  --primary-dark: #1573a0;
  --secondary: #000000;
  --bg-color: #f8fafc;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1000px;
  margin: 0 auto;
  background: white;
  box-shadow: var(--shadow);
}

.header {
  display: flex;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--secondary);
  color: white;
  border-bottom: 2px solid var(--primary);
}

.logo {
  height: 40px;
  margin-right: 1rem;
}

.chat-window {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: #f1f5f9;
}

.message {
  max-width: 80%;
  padding: 1rem 1.25rem;
  border-radius: 1rem;
  position: relative;
  animation: fadeIn 0.3s ease-out;
}

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

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

.message.user {
  align-self: flex-end;
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 0.25rem;
}

.message.assistant {
  align-self: flex-start;
  background: white;
  color: var(--text-main);
  border-bottom-left-radius: 0.25rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.input-area {
  padding: 1.5rem;
  background: white;
  border-top: 1px solid #e2e8f0;
  display: flex;
  gap: 1rem;
}

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

input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid #cbd5e1;
  border-radius: 0.75rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

input:focus {
  border-color: var(--primary);
}

button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background: var(--primary-dark);
}

button:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

.typing-animation {
  display: flex;
  gap: 4px;
}

.dot {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) {
  animation-delay: -0.32s;
}

.dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bounce {

  0%,
  80%,
  100% {
    transform: scale(0);
  }

  40% {
    transform: scale(1);
  }
}

.markdown-content p {
  margin-bottom: 1rem;
}

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