.portfolio-simulator-shortcode,
.portfolio-simulator-shortcode * {
    box-sizing: border-box;
}

.portfolio-simulator-shortcode {
    width: 100%;
    margin: 0;
    padding: 0;
}

.portfolio-simulator-shortcode .container {
    max-width: 1600px;
    margin: 0 auto;
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #333;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.portfolio-simulator-shortcode header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.portfolio-simulator-shortcode header h1 {
    margin: 0 0 10px;
    font-size: 2.5em;
    color: #fff !important;
    word-wrap: break-word;
}

.portfolio-simulator-shortcode header p {
    margin: 0;
    font-size: 1.1em;
    opacity: 0.95;
    word-wrap: break-word;
}

.portfolio-simulator-shortcode .content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 30px;
}

.portfolio-simulator-shortcode .input-panel,
.portfolio-simulator-shortcode .results-panel {
    padding: 20px;
}

.portfolio-simulator-shortcode .input-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.portfolio-simulator-shortcode .input-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.portfolio-simulator-shortcode .results-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 30px;
    align-items: start;
}

.portfolio-simulator-shortcode .input-panel h2,
.portfolio-simulator-shortcode .results-panel h2 {
    margin: 0 0 20px;
    color: #667eea;
    font-size: 1.5em;
}

.portfolio-simulator-shortcode .form-group {
    margin-bottom: 10px;
}

.portfolio-simulator-shortcode .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
    font-size: 14px;
}

.portfolio-simulator-shortcode .form-group input[type="number"],
.portfolio-simulator-shortcode .form-group select {
    width: 100%;
    max-width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.portfolio-simulator-shortcode .form-group input[type="number"]:focus,
.portfolio-simulator-shortcode .form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.portfolio-simulator-shortcode .form-group input[type="range"] {
    width: calc(100% - 70px);
    min-width: 120px;
    margin-right: 10px;
}

.portfolio-simulator-shortcode .slider-value {
    display: inline-block;
    width: 60px;
    min-width: 60px;
    text-align: right;
    font-weight: 600;
    color: #667eea;
    font-size: 14px;
}

.portfolio-simulator-shortcode .radio-group,
.portfolio-simulator-shortcode .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
}

.portfolio-simulator-shortcode .radio-option,
.portfolio-simulator-shortcode .checkbox-option {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    background: #fff;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.portfolio-simulator-shortcode .radio-option:hover,
.portfolio-simulator-shortcode .checkbox-option:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.portfolio-simulator-shortcode .radio-option input[type="radio"],
.portfolio-simulator-shortcode .checkbox-option input[type="checkbox"] {
    margin-right: 10px;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: #667eea;
}

.portfolio-simulator-shortcode .radio-option span,
.portfolio-simulator-shortcode .checkbox-option span {
    font-size: 14px;
    font-weight: 500;
    color: #555;
}

.portfolio-simulator-shortcode .radio-option.checked,
.portfolio-simulator-shortcode .checkbox-option.checked {
    border-color: #667eea !important;
    background: #e3f2fd !important;
}

.portfolio-simulator-shortcode .radio-option.checked span,
.portfolio-simulator-shortcode .checkbox-option.checked span {
    color: #667eea !important;
    font-weight: 600 !important;
}

.portfolio-simulator-shortcode .slider-group {
    margin-top: 12px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
}

.portfolio-simulator-shortcode .slider-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #555;
}

.portfolio-simulator-shortcode .slider-group input[type="range"] {
    width: calc(100% - 70px);
    min-width: 120px;
    margin-right: 10px;
}

.portfolio-simulator-shortcode .tooltip-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    background: #667eea;
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: bold;
    margin-left: 6px;
    cursor: help;
    position: relative;
}

.portfolio-simulator-shortcode .tooltip-icon:hover::after {
    content: attr(title);
    position: absolute;
    left: 25px;
    top: -5px;
    width: 250px;
    padding: 10px;
    background: #333;
    color: #fff;
    border-radius: 6px;
    font-size: 12px;
    font-weight: normal;
    line-height: 1.4;
    z-index: 1000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.portfolio-simulator-shortcode .allocation-total {
    padding: 15px;
    background: #e3f2fd;
    border-radius: 6px;
    text-align: center;
    word-wrap: break-word;
}

.portfolio-simulator-shortcode .allocation-total.invalid {
    background: #ffebee;
    color: #c62828;
}

.portfolio-simulator-shortcode .btn-primary {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.portfolio-simulator-shortcode .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.portfolio-simulator-shortcode .btn-primary:active {
    transform: translateY(0);
}

.portfolio-simulator-shortcode .btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.portfolio-simulator-shortcode .loading {
    text-align: center;
    padding: 20px;
}

.portfolio-simulator-shortcode .spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: pss-spin 1s linear infinite;
    margin: 0 auto 10px;
}

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

.portfolio-simulator-shortcode .error {
    background: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 6px;
    margin-top: 15px;
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 0.95em;
}

.portfolio-simulator-shortcode .placeholder {
    text-align: center;
    color: #999;
    padding: 60px 20px;
    font-size: 1.1em;
}

.portfolio-simulator-shortcode #chartContainer {
    margin-top: 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    position: relative;
    height: 560px;
}

.portfolio-simulator-shortcode #summaryStats {
    margin-top: 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    min-width: 280px;
    max-width: 320px;
}

.portfolio-simulator-shortcode #summaryStats h3 {
    margin: 0 0 15px;
    color: #667eea;
    font-size: 1.2em;
}

.portfolio-simulator-shortcode .stats-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.portfolio-simulator-shortcode .stat-item {
    padding: 15px;
    background: #fff;
    border-radius: 6px;
    border-left: 4px solid #667eea;
}

.portfolio-simulator-shortcode .stat-item .stat-label {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 5px;
}

.portfolio-simulator-shortcode .stat-item .stat-value {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
}

.portfolio-simulator-shortcode footer {
    background: #f8f9fa;
    padding: 20px;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}

.portfolio-simulator-shortcode canvas {
    display: block;
    max-width: 100%;
}

@media (min-width: 769px) {
    .portfolio-simulator-shortcode .input-panel {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 30px;
        align-items: start;
    }

    .portfolio-simulator-shortcode .input-panel h2 {
        grid-column: 1 / -1;
    }

    .portfolio-simulator-shortcode .input-panel .btn-primary,
    .portfolio-simulator-shortcode .input-panel #loadingIndicator,
    .portfolio-simulator-shortcode .input-panel #errorMessage {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1024px) {
    .portfolio-simulator-shortcode .content {
        gap: 20px;
        padding: 20px;
    }

    .portfolio-simulator-shortcode .results-panel {
        grid-template-columns: 1fr;
    }

    .portfolio-simulator-shortcode #summaryStats {
        max-width: 100%;
    }

    .portfolio-simulator-shortcode #chartContainer {
        height: 520px;
    }
}

@media (max-width: 768px) {
    .portfolio-simulator-shortcode .container {
        border-radius: 8px;
    }

    .portfolio-simulator-shortcode header {
        padding: 20px 10px;
    }

    .portfolio-simulator-shortcode header h1 {
        font-size: 1.8em;
    }

    .portfolio-simulator-shortcode header p {
        font-size: 0.95em;
    }

    .portfolio-simulator-shortcode .content {
        padding: 15px;
        gap: 15px;
    }

    .portfolio-simulator-shortcode .input-panel,
    .portfolio-simulator-shortcode .results-panel {
        padding: 15px;
    }

    .portfolio-simulator-shortcode .input-column {
        gap: 8px;
    }

    .portfolio-simulator-shortcode .results-panel {
        gap: 20px;
    }

    .portfolio-simulator-shortcode .input-panel h2,
    .portfolio-simulator-shortcode .results-panel h2 {
        font-size: 1.3em;
        margin-bottom: 15px;
    }

    .portfolio-simulator-shortcode .form-group {
        margin-bottom: 8px;
    }

    .portfolio-simulator-shortcode .form-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .portfolio-simulator-shortcode .btn-primary {
        font-size: 16px;
        padding: 12px;
    }

    .portfolio-simulator-shortcode #summaryStats {
        padding: 12px;
        margin-top: 15px;
    }

    .portfolio-simulator-shortcode .stat-item {
        padding: 12px;
    }

    .portfolio-simulator-shortcode .stat-item .stat-label {
        font-size: 0.8em;
    }

    .portfolio-simulator-shortcode .stat-item .stat-value {
        font-size: 1.3em;
    }

    .portfolio-simulator-shortcode #chartContainer {
        height: 500px;
    }
}

@media (max-width: 480px) {
    .portfolio-simulator-shortcode .container {
        border-radius: 6px;
    }

    .portfolio-simulator-shortcode header {
        padding: 15px 8px;
    }

    .portfolio-simulator-shortcode header h1 {
        font-size: 1.5em;
    }

    .portfolio-simulator-shortcode header p {
        font-size: 0.85em;
    }

    .portfolio-simulator-shortcode .content {
        padding: 10px;
        gap: 10px;
    }

    .portfolio-simulator-shortcode .input-panel,
    .portfolio-simulator-shortcode .results-panel {
        padding: 10px;
    }

    .portfolio-simulator-shortcode .input-panel {
        gap: 10px;
    }

    .portfolio-simulator-shortcode .input-column {
        gap: 5px;
    }

    .portfolio-simulator-shortcode .results-panel {
        gap: 15px;
    }

    .portfolio-simulator-shortcode .form-group input[type="number"],
    .portfolio-simulator-shortcode .form-group select {
        padding: 8px;
        font-size: 14px;
    }

    .portfolio-simulator-shortcode .form-group input[type="range"] {
        width: calc(100% - 65px);
        min-width: 100px;
    }

    .portfolio-simulator-shortcode .slider-value {
        width: 55px;
        min-width: 55px;
        font-size: 12px;
    }

    .portfolio-simulator-shortcode .radio-group {
        gap: 6px;
    }

    .portfolio-simulator-shortcode .radio-option,
    .portfolio-simulator-shortcode .checkbox-option {
        padding: 8px 10px;
    }

    .portfolio-simulator-shortcode .radio-option input[type="radio"],
    .portfolio-simulator-shortcode .checkbox-option input[type="checkbox"] {
        width: 16px;
        height: 16px;
        margin-right: 8px;
    }

    .portfolio-simulator-shortcode .radio-option span,
    .portfolio-simulator-shortcode .checkbox-option span {
        font-size: 13px;
    }

    .portfolio-simulator-shortcode .tooltip-icon:hover::after {
        left: auto;
        right: 0;
        width: 200px;
    }

    .portfolio-simulator-shortcode .allocation-total {
        padding: 10px 5px;
        font-size: 0.9em;
    }

    .portfolio-simulator-shortcode #summaryStats {
        padding: 8px;
        margin-top: 10px;
    }

    .portfolio-simulator-shortcode #chartContainer {
        height: 480px;
    }
}