body { font-family: "Segoe UI", sans-serif; background: #f4f7f6; margin: 0; padding: 20px; display: flex; justify-content: center; }
.container { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); width: 100%; max-width: 800px; }
input, select, button { width: 100%; padding: 12px; margin: 10px 0; border: 1px solid #ddd; border-radius: 5px; box-sizing: border-box; }
button { background: #007bff; color: white; border: none; cursor: pointer; font-weight: bold; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 12px; border: 1px solid #ddd; text-align: left; }