feat: Add database migrations and auth system

- Add Alembic for database migrations
- Implement user authentication system
- Update frontend styles and components
- Add new test audio functionality
- Update stream management and UI

static/css/base.css

@@ -0,0 +1,208 @@
+/* Base styles and resets */
+:root {
+  /* Colors */
+  --color-primary: #4a90e2;
+  --color-primary-dark: #2a6fc9;
+  --color-text: #333;
+  --color-text-light: #666;
+  --color-bg: #f8f9fa;
+  --color-border: #e9ecef;
+  --color-white: #fff;
+  --color-black: #000;
+  
+  /* Typography */
+  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
+  --font-size-base: 1rem;
+  --line-height-base: 1.5;
+  
+  /* Spacing */
+  --spacing-xs: 0.25rem;
+  --spacing-sm: 0.5rem;
+  --spacing-md: 1rem;
+  --spacing-lg: 1.5rem;
+  --spacing-xl: 2rem;
+  
+  /* Border radius */
+  --border-radius-sm: 4px;
+  --border-radius-md: 8px;
+  --border-radius-lg: 12px;
+  
+  /* Transitions */
+  --transition-base: all 0.2s ease;
+  --transition-slow: all 0.3s ease;
+}
+
+/* Reset and base styles */
+*,
+*::before,
+*::after {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
+html {
+  height: 100%;
+  font-size: 16px;
+  -webkit-text-size-adjust: 100%;
+  -webkit-tap-highlight-color: transparent;
+}
+
+body {
+  margin: 0;
+  min-height: 100%;
+  font-family: var(--font-family);
+  line-height: var(--line-height-base);
+  color: var(--color-text);
+  background: var(--color-bg);
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+/* Main content */
+.container {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 6rem 1.5rem 2rem; /* Add top padding to account for fixed header */
+  min-height: calc(100vh - 200px); /* Ensure footer stays at bottom */
+}
+
+/* Sections */
+section {
+  margin: 2rem 0;
+  padding: 2rem;
+  background: rgba(255, 255, 255, 0.05);
+  border-radius: 8px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+section h2 {
+  color: var(--color-primary);
+  margin-top: 0;
+  margin-bottom: 1.5rem;
+  font-size: 2rem;
+}
+
+section p {
+  color: var(--color-text);
+  line-height: 1.6;
+  margin-bottom: 1.5rem;
+}
+
+.main-heading {
+  font-size: 2.5rem;
+  margin: 0 0 2rem 0;
+  color: var(--color-text);
+  font-weight: 700;
+  line-height: 1.2;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 1rem;
+  text-align: center;
+}
+
+.main-heading .mic-icon {
+  display: inline-flex;
+  animation: pulse 2s infinite;
+  transform-origin: center;
+}
+
+@keyframes pulse {
+  0% { transform: scale(1); }
+  50% { transform: scale(1.2); }
+  100% { transform: scale(1); }
+}
+
+/* Typography */
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: var(--spacing-md);
+  font-weight: 600;
+  line-height: 1.2;
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: var(--spacing-md);
+}
+
+a {
+  color: var(--color-primary);
+  text-decoration: none;
+  transition: var(--transition-base);
+}
+
+a:hover {
+  color: var(--color-primary-dark);
+  text-decoration: underline;
+}
+
+/* Images */
+img {
+  max-width: 100%;
+  height: auto;
+  vertical-align: middle;
+  border-style: none;
+}
+
+/* Lists */
+ul, ol {
+  padding-left: var(--spacing-lg);
+  margin-bottom: var(--spacing-md);
+}
+
+/* Loading animation */
+.app-loading {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  background: var(--color-white);
+  z-index: 9999;
+  transition: opacity var(--transition-slow);
+  text-align: center;
+  padding: 2rem;
+  color: var(--color-text);
+}
+
+.app-loading > div:first-child {
+  margin-bottom: 1rem;
+  font-size: 2rem;
+}
+
+.app-loading.hidden {
+  opacity: 0;
+  pointer-events: none;
+}
+
+.app-content {
+  opacity: 1;
+  transition: opacity var(--transition-slow);
+}
+
+/* This class can be used for initial fade-in if needed */
+.app-content.initial-load {
+  opacity: 0;
+}
+
+.app-content.loaded {
+  opacity: 1;
+}
+
+/* Utility classes */
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}

static/css/layout/footer.css

@@ -0,0 +1,80 @@
+/* Footer styles */
+footer {
+  background: #2c3e50;
+  color: #ecf0f1;
+  padding: 2rem 0;
+  margin-top: 3rem;
+  width: 100%;
+}
+
+.footer-content {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  text-align: center;
+}
+
+.footer-links {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+  gap: 1rem;
+  margin-top: 1rem;
+}
+
+.footer-links a {
+  color: #ecf0f1;
+  text-decoration: none;
+  transition: color 0.2s;
+}
+
+.footer-links a:hover,
+.footer-links a:focus {
+  color: #3498db;
+  text-decoration: underline;
+}
+
+.separator {
+  color: #7f8c8d;
+  margin: 0 0.25rem;
+}
+
+.footer-hint {
+  margin-top: 1rem;
+  font-size: 0.9rem;
+  color: #bdc3c7;
+}
+
+.footer-hint a {
+  color: #3498db;
+  text-decoration: none;
+}
+
+.footer-hint a:hover,
+.footer-hint a:focus {
+  text-decoration: underline;
+}
+
+/* Responsive adjustments */
+@media (max-width: 767px) {
+  footer {
+    padding: 1.5rem 1rem;
+  }
+  
+  .footer-links {
+    flex-direction: column;
+    gap: 0.5rem;
+  }
+  
+  .separator {
+    display: none;
+  }
+  
+  .footer-hint {
+    font-size: 0.85rem;
+    line-height: 1.5;
+  }
+}

static/css/layout/header.css

@@ -0,0 +1,149 @@
+/* Header and navigation styles */
+header {
+  width: 100%;
+  background: rgba(33, 37, 41, 0.95);
+  backdrop-filter: blur(10px);
+  -webkit-backdrop-filter: blur(10px);
+  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+  position: fixed;
+  top: 0;
+  left: 0;
+  z-index: 1000;
+  padding: 0.5rem 0;
+}
+
+.header-content {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 0 1.5rem;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  position: relative;
+}
+
+/* Logo */
+.logo {
+  color: white;
+  font-size: 1.5rem;
+  font-weight: bold;
+  text-decoration: none;
+  padding: 0.5rem 0;
+}
+
+.logo:hover {
+  text-decoration: none;
+  opacity: 0.9;
+}
+
+/* Navigation */
+.nav-wrapper {
+  display: flex;
+  align-items: center;
+  height: 100%;
+}
+
+/* Menu toggle button */
+.menu-toggle {
+  background: none;
+  border: none;
+  color: white;
+  font-size: 1.5rem;
+  cursor: pointer;
+  padding: 0.5rem;
+  display: none; /* Hidden by default, shown on mobile */
+}
+
+/* Navigation list */
+.nav-list {
+  display: flex;
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  gap: 1rem;
+  align-items: center;
+}
+
+.nav-item {
+  margin: 0;
+}
+
+.nav-link {
+  color: white;
+  text-decoration: none;
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  transition: background-color 0.2s, color 0.2s;
+  display: block;
+}
+
+.nav-link:hover,
+.nav-link:focus {
+  background: rgba(255, 255, 255, 0.1);
+  text-decoration: none;
+  color: #fff;
+}
+
+/* Active navigation item */
+.nav-link.active {
+  background: rgba(255, 255, 255, 0.2);
+  font-weight: 500;
+}
+
+/* Mobile menu */
+@media (max-width: 767px) {
+  .menu-toggle {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: 2.5rem;
+    height: 2.5rem;
+    background: transparent;
+    border: none;
+    color: white;
+    font-size: 1.5rem;
+    cursor: pointer;
+    z-index: 1001;
+  }
+  
+  .nav-wrapper {
+    position: fixed;
+    top: 0;
+    right: -100%;
+    width: 80%;
+    max-width: 300px;
+    height: 100vh;
+    background: rgba(33, 37, 41, 0.98);
+    padding: 5rem 1.5rem 2rem;
+    transition: right 0.3s ease-in-out;
+    z-index: 1000;
+    overflow-y: auto;
+    display: block;
+  }
+  
+  .nav-wrapper.active {
+    right: 0;
+  }
+  
+  .nav-list {
+    display: flex;
+    flex-direction: column;
+    gap: 0.5rem;
+    padding: 0;
+  }
+  
+  .nav-item {
+    width: 100%;
+  }
+  
+  .nav-link {
+    display: block;
+    padding: 0.75rem 1rem;
+    border-radius: 4px;
+  }
+  
+  .nav-link:hover,
+  .nav-link:focus {
+    background: rgba(255, 255, 255, 0.15);
+  }
+}