body { font-family: system-ui, sans-serif; background: #f5f7fb; margin: 0; padding: 20px; }
.container { max-width: 1200px; margin: 0 auto; }
.navbar { display: flex; justify-content: space-between; background: white; padding: 12px 20px; border-radius: 30px; margin-bottom: 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.auth-box { background: white; max-width: 400px; margin: 50px auto; padding: 30px; border-radius: 30px; text-align: center; }
input, select, button { margin: 8px 0; padding: 10px; width: 100%; border-radius: 40px; border: 1px solid #ccc; }
button { background: #2c7da0; color: white; border: none; cursor: pointer; font-weight: bold; }
.wallet-card { background: white; padding: 15px; margin: 10px 0; border-radius: 20px; box-shadow: 0 1px 4px rgba(0,0,0,0.1); }
.small-btn { width: auto; padding: 5px 12px; font-size: 0.8rem; }
table { width: 100%; border-collapse: collapse; background: white; border-radius: 20px; overflow: auto; }
th, td { border-bottom: 1px solid #ddd; padding: 8px; text-align: left; }