src/app.css

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background: #ffffff;
  color: #1a1a1a;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/* Utility classes */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Common button styles */
button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  background: #007bff;
  color: white;
}

button:hover:not(:disabled) {
  background: #0056b3;
  transform: translateY(-1px);
}

button:disabled {
  background: #9ac7ff;
  cursor: not-allowed;
  transform: none;
}

/* Form styles */
input[type="text"],
input[type="file"],
select {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 0.375rem;
  width: 100%;
  transition: border-color 0.2s ease;
}

input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #333;
}

/* Video styles */
video {
  width: 100%;
  max-height: 60vh;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }
  
  button {
    padding: 0.5rem 1rem;
  }
  
  input[type="text"],
  input[type="file"],
  select {
    padding: 0.5rem;
  }
}