.fee-calculator-container {
    max-width: 450px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', Tahoma, sans-serif;
    border-top: 5px solid #1dbf73; /* Fiverr Green */
}

.tool-header h2 {
    color: #404145;
    margin-bottom: 10px;
    text-align: center;
}

.tool-header p {
    color: #74767e;
    font-size: 14px;
    text-align: center;
    margin-bottom: 25px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #404145;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e4e5e7;
    border-radius: 8px;
    font-size: 18px;
    outline: none;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #1dbf73;
}

.result-box {
    background: #f1f1f1;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    animation: fadeIn 0.5s ease;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 16px;
    color: #404145;
}

.fee-amount {
    color: #ff4d4d;
    font-weight: bold;
}

.total-earning {
    font-size: 20px;
    font-weight: bold;
    color: #1dbf73;
    margin-top: 10px;
}

.tip-text {
    font-size: 13px;
    color: #62646a;
    line-height: 1.5;
    margin-top: 15px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}