Update frontend/src/App.css

frontend/src/App.css

@@ -0,0 +1,327 @@
+/* =================================
+   Global Styles & CSS Variables
+   ================================= */
+:root {
+  --primary-color: #22c55e; /* Green for accents */
+  --background-color: #f0f2f5; /* Light grey for chat background */
+  --card-background-color: #ffffff; /* White for cards/forms */
+  --text-color: #1c1e21; /* Dark grey for text */
+  --text-secondary-color: #65676b;
+  --white-color: #ffffff;
+  --border-color: #e5e7eb;
+  --header-height: 65px;
+  --font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
+}
+
+body, html, #root {
+  height: 100%;
+  margin: 0;
+  font-family: var(--font-family);
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+/* =================================
+   Main App Layout
+   ================================= */
+.app-wrapper {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  overflow: hidden;
+}
+
+.main-content {
+  flex-grow: 1;
+  overflow-y: auto;
+  display: flex;
+  flex-direction: column;
+}
+
+/* =================================
+   Header
+   ================================= */
+.app-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 2rem;
+  background-color: var(--card-background-color);
+  border-bottom: 1px solid var(--border-color);
+  height: var(--header-height);
+  flex-shrink: 0;
+}
+
+.logo .main-brand {
+  font-size: 1.8em;
+  font-weight: bold;
+}
+
+.logo .sub-brand {
+  font-size: 0.9em;
+  color: var(--text-secondary-color);
+}
+
+.app-header nav {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+/* =================================
+   Buttons & Links
+   ================================= */
+.link-green {
+  color: var(--primary-color);
+  font-weight: 600;
+  text-decoration: none;
+  transition: opacity 0.2s ease;
+}
+.link-green:hover {
+  opacity: 0.8;
+}
+
+.btn-solid-green {
+  padding: 0.6rem 1.2rem;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 1em;
+  font-weight: 600;
+  text-decoration: none;
+  background-color: var(--primary-color);
+  color: var(--white-color);
+  transition: background-color 0.2s ease;
+}
+.btn-solid-green:hover {
+  background-color: #1e9d4e;
+}
+.btn-solid-green.full-width {
+  width: 100%;
+  padding: 0.8rem;
+  font-size: 1.1em;
+}
+
+/* =================================
+   Auth Forms (Login/Sign Up)
+   ================================= */
+.auth-container {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  flex-grow: 1;
+  padding: 2rem;
+}
+
+.auth-form {
+  width: 100%;
+  max-width: 400px;
+  padding: 2.5rem;
+  background-color: var(--card-background-color);
+  border-radius: 8px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.auth-form h2 {
+  text-align: center;
+  margin-bottom: 2rem;
+  font-size: 2em;
+}
+
+.form-group {
+  margin-bottom: 1.5rem;
+}
+
+.form-group label {
+  display: block;
+  margin-bottom: 0.5rem;
+  font-weight: 500;
+}
+
+.form-group input {
+  width: 100%;
+  padding: 0.75rem;
+  border: 1px solid var(--border-color);
+  border-radius: 6px;
+  box-sizing: border-box;
+}
+
+.error-message {
+  color: #d93025;
+  text-align: center;
+  margin: 1rem 0;
+}
+
+.auth-switch {
+  text-align: center;
+  margin-top: 1.5rem;
+}
+
+.auth-switch a {
+  color: var(--primary-color);
+  font-weight: 500;
+  text-decoration: none;
+}
+
+/* =================================
+   Chat Interface
+   ================================= */
+.chat-main {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  width: 100%;
+  max-width: 800px;
+  margin: 0 auto;
+}
+
+.chat-messages {
+  flex-grow: 1;
+  padding: 1.5rem;
+  overflow-y: auto; /* This enables the scrollbar */
+}
+
+/* Custom Scrollbar Styling */
+.chat-messages::-webkit-scrollbar {
+  width: 8px;
+}
+.chat-messages::-webkit-scrollbar-track {
+  background: transparent;
+}
+.chat-messages::-webkit-scrollbar-thumb {
+  background-color: #ccc;
+  border-radius: 10px;
+  border: 2px solid var(--background-color);
+}
+.chat-messages::-webkit-scrollbar-thumb:hover {
+  background-color: #aaa;
+}
+
+.empty-chat-placeholder {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  height: 100%;
+  color: var(--text-secondary-color);
+  text-align: center;
+}
+.empty-chat-placeholder h1 {
+  font-size: 1.5rem;
+  margin-bottom: 0.5rem;
+}
+
+.message-wrapper {
+  display: flex;
+  align-items: flex-start;
+  margin-bottom: 1rem;
+  max-width: 85%;
+}
+
+.chat-avatar {
+  font-size: 1.5rem;
+  margin-right: 0.75rem;
+}
+
+.message-bubble {
+  padding: 0.75rem 1rem;
+  border-radius: 18px;
+  line-height: 1.4;
+  white-space: pre-wrap;
+}
+
+.message-wrapper.user {
+  margin-left: auto;
+  flex-direction: row-reverse;
+}
+.message-wrapper.user .chat-avatar {
+  margin-left: 0.75rem;
+  margin-right: 0;
+}
+.message-wrapper.user .message-bubble {
+  background-color: var(--primary-color);
+  color: var(--white-color);
+  border-bottom-right-radius: 4px;
+}
+
+.message-wrapper.assistant .message-bubble {
+  background-color: var(--card-background-color);
+  border: 1px solid var(--border-color);
+  border-bottom-left-radius: 4px;
+}
+
+/* =================================
+   Chat Input Area
+   ================================= */
+.chat-input-area {
+  padding: 1rem 1.5rem;
+  border-top: 1px solid var(--border-color);
+  background-color: var(--card-background-color);
+}
+
+.chat-form {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.chat-form input[type="text"] {
+  flex-grow: 1;
+  padding: 0.8rem 1rem;
+  border-radius: 20px;
+  border: 1px solid var(--border-color);
+  background-color: var(--background-color);
+  font-size: 1rem;
+}
+.chat-form input[type="text"]:focus {
+  outline: none;
+  border-color: var(--primary-color);
+}
+
+.button-container {
+  display: flex;
+  align-items: center;
+}
+
+/* Voice and Send Button Styling */
+.voice-button, .send-button {
+  background: transparent;
+  border: none;
+  cursor: pointer;
+  padding: 0.5rem;
+  color: var(--text-secondary-color);
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: background-color 0.2s, color 0.2s;
+}
+
+.voice-button svg, .send-button svg {
+  width: 28px; /* Increased size */
+  height: 28px;
+}
+
+.voice-button:hover, .send-button:hover:not(:disabled) {
+  background-color: var(--background-color);
+}
+
+.voice-button.recording {
+  color: var(--primary-color);
+  animation: pulse 1.5s infinite;
+}
+
+.send-button {
+  color: var(--primary-color);
+}
+
+.send-button:disabled {
+  color: #ccc;
+  cursor: not-allowed;
+}
+
+@keyframes pulse {
+  0% { transform: scale(1); }
+  50% { transform: scale(1.1); }
+  100% { transform: scale(1); }
+}