body { background: #121212; display: flex; justify-content: center; margin: 0; font-family: sans-serif; }
.mobile-wrapper { width: 100%; max-width: 450px; min-height: 100vh; background: #f4f7f6; }
.login-banner { background: #1565c0; color: white; height: 200px; display: flex; align-items: center; justify-content: center; }
.login-card { margin: -40px 20px 0; background: white; padding: 30px; border-radius: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
input { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #eee; border-radius: 8px; box-sizing: border-box; }
.login-btn { width: 100%; padding: 12px; background: #1565c0; color: white; border: none; border-radius: 25px; font-weight: bold; cursor: pointer; }