* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f5f5f5; display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.container { background: #fff; padding: 30px; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.1); max-width: 480px; width: 90%; }
h1 { text-align: center; margin-bottom: 24px; }
h2 { margin: 16px 0 12px; }
input[type=text], input[type=file] { width: 100%; padding: 10px; margin: 8px 0; border: 1px solid #ccc; border-radius: 6px; font-size: 16px; }
label { display: block; margin: 8px 0; font-size: 16px; }
button { width: 100%; padding: 12px; background: #007aff; color: #fff; border: none; border-radius: 8px; font-size: 18px; cursor: pointer; margin-top: 12px; }
button:hover { background: #005bb5; }
.msg { margin-top: 12px; padding: 8px; border-radius: 6px; text-align: center; }
.success { background: #d4edda; color: #155724; }
.error { background: #f8d7da; color: #721c24; }