.calculafin-wrapper {
    max-width: 500px;
    margin: 20px auto;
    padding: 25px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #333;
}

.calculafin-header {
    text-align: center;
    margin-bottom: 30px;
}

.calculafin-header h2 {
    color: #2c3e50;
    margin-bottom: 5px;
    font-size: 24px;
}

.calculafin-header p {
    color: #7f8c8d;
    font-size: 14px;
}

.calculafin-step h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #34495e;
    border-left: 4px solid #3498db;
    padding-left: 10px;
}

.calculafin-field {
    margin-bottom: 25px;
}

.calculafin-field label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
}

.calculafin-input {
    width: 100%;
    padding: 15px;
    border: 2px solid #ecf0f1;
    border-radius: 12px;
    font-size: 18px;
    transition: border-color 0.3s;
}

.calculafin-input:focus {
    border-color: #3498db;
    outline: none;
}

.calculafin-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 10px 0;
}

.calculafin-counter button {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    border: none;
    background: #3498db;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.calculafin-counter button:active {
    transform: scale(0.95);
}

.calculafin-counter input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    border: none;
    background: transparent;
    color: #2c3e50;
    appearance: textfield;
    padding: 0;
    line-height: 50px;
}

.calculafin-counter input::-webkit-outer-spin-button,
.calculafin-counter input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calculafin-btn {
    width: 100%;
    padding: 18px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.calculafin-btn:hover {
    background: #219150;
}

.calculafin-btn:active {
    transform: translateY(2px);
}

.calculafin-btn.secondary {
    background: #95a5a6;
    margin-top: 10px;
}

.calculafin-btn.whatsapp {
    background: #25D366;
    margin-top: 10px;
}

.calculafin-btn.whatsapp:hover {
    background: #1DA851;
}

.calculafin-btn.whatsapp i {
    margin-right: 8px;
}

.calculafin-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Toggle Switch */
.calculafin-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #3498db;
}

input:focus + .slider {
  box-shadow: 0 0 1px #3498db;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Result Box */
.result-box {
    background: #f8f9fa;
    border: 2px dashed #27ae60;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
}

.total-label {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 5px;
}

.total-value {
    font-size: 32px;
    font-weight: 800;
    color: #27ae60;
    margin-bottom: 20px;
}

.result-details {
    text-align: left;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.result-details ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
}

.result-details li {
    padding: 5px 0;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
}

.calculafin-warning {
    background: #fff3cd;
    border-left: 5px solid #ffc107;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 13px;
}

.calculafin-warning p {
    margin: 0 0 10px 0;
}

.calculafin-warning p:last-child {
    margin-bottom: 0;
}

/* Loading Spinner */
.calculafin-loading {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    margin: 0 auto 20px auto;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.calculafin-loading p {
    color: #7f8c8d;
    font-size: 14px;
}

@media (max-width: 480px) {
    .calculafin-wrapper {
        padding: 15px;
        margin: 10px;
    }
    
    .total-value {
        font-size: 28px;
    }
}