.ei-container { max-width: 650px; margin: 0 auto; padding: 25px; background: #fff; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border:1px solid #eaeaea; font-family: Tahoma, sans-serif;}
.ei-step { padding: 15px 0; }
.ei-step h3 { border-bottom: 2px solid #0073aa; padding-bottom: 10px; margin-bottom: 20px; color: #333; font-size:18px;}
.ei-form-group { margin-bottom: 15px; }
.ei-form-group label { display: block; margin-bottom: 5px; font-weight: bold; color:#555;}
.ei-form-group input, .ei-form-group textarea { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing:border-box;}
.ei-btn { display: inline-block; padding: 10px 20px; background: #0073aa; color: #fff; border: none; border-radius: 4px; cursor: pointer; text-decoration: none; text-align:center;}
.ei-btn:hover { background: #005177; }
.ei-messengers { display: flex; gap: 10px; margin-top: 15px; flex-wrap: wrap;}
.ei-messengers button, .ei-messengers-deposit button { flex:1; min-width: 120px; }
.ei-wa { background: #25D366; } .ei-wa:hover { background: #128C7E; }
.ei-ru { background: #E75424; } .ei-ru:hover { background: #c24017; }
.ei-bl { background: #2F80ED; } .ei-bl:hover { background: #1c62be; }
.ei-alert { padding: 15px; border-radius: 4px; margin-bottom: 20px; line-height: 1.6;}
.ei-alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.ei-alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }
.ei-error { color: red; margin-top: 10px; font-size: 13px; }
.ei-loading { opacity: 0.6; pointer-events: none; }

/* Stepper Bar Styles */
.ei-stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    padding: 20px 0 10px;
    position: relative;
}
.ei-stepper::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 8%;
    right: 8%;
    height: 3px;
    background: #e0e0e0;
    z-index: 1;
}
.ei-step-item {
    position: relative;
    z-index: 2;
    text-align: center;
    flex: 1;
}
.ei-step-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #fff;
    color: #999;
    line-height: 30px;
    margin: 0 auto 8px;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.3s;
    border: 3px solid #e0e0e0;
}
.ei-step-item.active .ei-step-circle {
    border-color: #0073aa;
    background: #0073aa;
    color: #fff;
    box-shadow: 0 0 0 4px rgba(0,115,170,0.15);
}
.ei-step-item.completed .ei-step-circle {
    border-color: #28a745;
    background: #28a745;
    color: #fff;
}
.ei-step-label {
    font-size: 12px;
    color: #777;
}
.ei-step-item.active .ei-step-label {
    color: #0073aa;
    font-weight: bold;
}
.ei-step-item.completed .ei-step-label {
    color: #28a745;
}
@media (max-width: 500px) {
    .ei-step-label { font-size: 9px; }
    .ei-step-circle { width: 28px; height: 28px; line-height: 22px; font-size: 11px; }
    .ei-stepper::before { top: 33px; }
}