@media (max-width: 768px) {
    .compund .container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.compund .results-panel {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.compund .calculator-panel::before, .results-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    /* background: linear-gradient(90deg, #667eea, #764ba2); */
}

.compund h2 {
    color: #333;
    margin-bottom: 25px;
    font-size: 1.8em;
    font-weight: 400;
}

.compund .currency-symbol, .percent-symbol {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #667eea;
    font-weight: bold;
    pointer-events: none;
    z-index: 1;
}

.compund .currency-symbol {
    left: 20px;
}

.compund .percent-symbol {
    right: 20px;
}

.compund .currency-input {
    padding-left: 40px !important;
}

.compund .percent-input {
    padding-right: 40px !important;
}

.compund .frequency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.compund .btn-table td {
    padding: 0px 20px;
}

.compund .frequency-btn {
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-weight: 600;
    font-size: 0.9em;
}

.compund .frequency-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.compund .frequency-btn:hover:not(.active) {
    border-color: #667eea;
    transform: translateY(-1px);
}

.compund .button-group {
    gap: 15px;
    margin: 30px 0;
}

.compund button {
    flex: 1;
    padding: 7px 25px;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.compund .btn-calculate {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    width: 40%;
}

.compund .btn-calculate:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.compund .btn-clear {
    background: #6c757d;
    color: white;
}

.compund .btn-clear:hover {
    background: #545b62;
    transform: translateY(-3px);
}

.compund .results {
    display: none;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.compund .summary-card {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    text-align: center;
}

.compund .summary-amount {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 10px;
}

.compund .summary-label {
    font-size: 1.1em;
    opacity: 0.9;
}

.compund .breakdown {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
}

.compund .breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #dee2e6;
}

.compund .breakdown-item:last-child {
    border-bottom: none;
}

.compund .breakdown-label {
    color: #555;
    font-weight: 600;
}

.compund .breakdown-value {
    font-weight: bold;
    color: #333;
}

.compund .comparison {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    border-left: 5px solid #764ba2;
}

.compund .comparison h3 {
    color: #764ba2;
    margin-bottom: 15px;
}

.compund .comparison-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.compund .formula-section {
    background: #fff3e0;
    border-radius: 15px;
    padding: 20px;
    margin-top: 25px;
    border-left: 5px solid #ff9800;
}

.compund .formula {
    font-family: 'Courier New', monospace;
    font-size: 1.1em;
    font-weight: bold;
    color: #f57c00;
    text-align: center;
    margin-bottom: 10px;
}

.compund .formula-explanation {
    font-size: 0.9em;
    color: #555;
    text-align: center;
}

.compund .growth-visualization {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-top: 25px;
}

.compund .year-bar {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.compund .year-label {
    width: 60px;
    font-weight: 600;
    color: #555;
}

.compund .bar-container {
    flex: 1;
    background: #e9ecef;
    border-radius: 10px;
    height: 20px;
    margin: 0 15px;
    overflow: hidden;
}

.compund .bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 10px;
    transition: width 1s ease;
}

.compund .bar-amount {
    font-weight: bold;
    color: #333;
    min-width: 80px;
}

.compund .presets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.compund .preset-btn {
    background: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 0.85em;
}

.compund .preset-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.compund .preset-label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

.compund .error {
    color: #dc3545;
    font-size: 0.9em;
    margin-top: 5px;
    display: none;
}

.compund .input-group.has-error input,
.compund .input-group.has-error select {
    border-color: #dc3545;
    background: #fff5f5;
}

.compund .input-group.has-error .error {
    display: block;
}