:root {
    --bg-primary: #F5F5F5;
    --bg-panel: #E0E0E0;
    --text-primary: #222222;
    --accent-primary: #4A90E2;
    --accent-secondary: #FF9500;
    --border-color: #333333;
    --input-bg: #f9f9f9;
    --success: #4CAF50;
    --warning: #FF9800;
    --error: #F44336;
    --grid-gap: 16px;
    --border-radius: 8px;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

.clac360-rvcc-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.clac360-rvcc-container {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.clac360-rvcc-container .container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
}

@media (max-width: 1024px) {
    .clac360-rvcc-container .container {
        grid-template-columns: 1fr;
    }
}

.clac360-rvcc-container .panel {
    background: var(--bg-panel);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.clac360-rvcc-container .panel-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.clac360-rvcc-container .input-group {
    margin-bottom: 20px;
}

.clac360-rvcc-container .input-group-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-primary);
}

.clac360-rvcc-container .form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.clac360-rvcc-container .form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.clac360-rvcc-container label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.clac360-rvcc-container .hint {
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
    margin-top: 2px;
}

.clac360-rvcc-container .unit-input-container {
    display: flex;
    width: 100%;
    gap: 0;
}

.clac360-rvcc-container .unit-input-container input {
    flex: 1;
    height: 44px;
    padding: 0 12px;
    border: 2px solid var(--border-color);
    border-right: none;
    border-radius: 6px 0 0 6px;
    background: var(--input-bg);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s;
}

.clac360-rvcc-container .unit-input-container select {
    width: 75px;
    height: 44px;
    padding: 0 8px;
    border: 2px solid var(--border-color);
    border-left: none;
    border-radius: 0 6px 6px 0;
    background: var(--input-bg);
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    padding-right: 30px;
}

.clac360-rvcc-container .unit-input-container select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.clac360-rvcc-container .unit-input-container input:focus {
    outline: none;
    border-color: var(--accent-primary);
    border-right: none;
    box-shadow: none;
}

.clac360-rvcc-container .unit-input-container:focus-within input {
    border-color: var(--accent-primary);
    border-right: none;
}

.clac360-rvcc-container .unit-input-container:focus-within select {
    border-color: var(--accent-primary);
    border-left: 1px solid var(--accent-primary);
}

.clac360-rvcc-container input[type="number"] {
    height: 44px;
    padding: 0 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s;
    width: 100%;
}

.clac360-rvcc-container input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.clac360-rvcc-container .control-group {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.clac360-rvcc-container button {
    height: 44px;
    padding: 0 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.clac360-rvcc-container .btn-primary {
    background: var(--accent-primary);
    color: white;
}

.clac360-rvcc-container .btn-secondary {
    background: var(--accent-secondary);
    color: white;
}

.clac360-rvcc-container .btn-export {
    background: #4CAF50;
    color: white;
}

.clac360-rvcc-container .colorblind-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-primary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    user-select: none;
}

.clac360-rvcc-container .toggle-switch {
    width: 40px;
    height: 20px;
    background: #ccc;
    border-radius: 10px;
    position: relative;
    transition: all 0.3s;
}

.clac360-rvcc-container .toggle-switch::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.3s;
}

.clac360-rvcc-container .colorblind-mode .toggle-switch {
    background: var(--accent-primary);
}

.clac360-rvcc-container .colorblind-mode .toggle-switch::after {
    left: 22px;
}

.clac360-rvcc-container .results-section {
    margin-top: 24px;
}

.clac360-rvcc-container .result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.clac360-rvcc-container .result-item {
    background: white;
    padding: 12px;
    border-radius: 6px;
    border-left: 4px solid var(--accent-primary);
}

.clac360-rvcc-container .result-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 4px;
}

.clac360-rvcc-container .result-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.clac360-rvcc-container .result-unit {
    font-size: 0.9rem;
    color: #666;
    margin-left: 4px;
}

.clac360-rvcc-container .status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-left: 12px;
}

.clac360-rvcc-container .status-pass {
    background: #4CAF50;
    color: white;
}

.clac360-rvcc-container .status-fail {
    background: #F44336;
    color: white;
}

.clac360-rvcc-container .status-warning {
    background: #FF9800;
    color: white;
}

.clac360-rvcc-container .calculation-steps {
    background: white;
    padding: 16px;
    border-radius: 6px;
    margin-top: 20px;
}

.clac360-rvcc-container .step {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.clac360-rvcc-container .step:last-child {
    border-bottom: none;
}

.clac360-rvcc-container .dynamic-comment {
    background: #E3F2FD;
    padding: 16px;
    border-radius: 6px;
    margin: 20px 0;
    border-left: 4px solid var(--accent-primary);
}

.clac360-rvcc-container .comment-title {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--accent-primary);
    font-size: 1.1rem;
}

.clac360-rvcc-container .comment-section {
    margin-bottom: 16px;
}

.clac360-rvcc-container .comment-section:last-child {
    margin-bottom: 0;
}

.clac360-rvcc-container .comment-subtitle {
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    font-size: 1rem;
}

.clac360-rvcc-container .comment-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #444;
}

.clac360-rvcc-container .svg-container {
    width: 100%;
    height: 420px;
    background: white;
    border-radius: 6px;
    overflow: hidden;
    margin: 20px 0;
    border: 2px solid var(--border-color);
}

.clac360-rvcc-container .svg-canvas {
    width: 100%;
    height: 100%;
}

.clac360-rvcc-container .trade-mark {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 0.8rem;
    color: #666;
    opacity: 0.7;
    z-index: 1000;
}

@media (max-width: 768px) {
    .clac360-rvcc-container .container {
        padding: 10px;
    }
    
    .clac360-rvcc-container .panel {
        padding: 16px;
    }
    
    .clac360-rvcc-container .form-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .clac360-rvcc-container .control-group {
        flex-direction: column;
    }
    
    .clac360-rvcc-container button {
        width: 100%;
    }
    
    .clac360-rvcc-container .trade-mark {
        position: static;
        text-align: center;
        margin-top: 20px;
    }
    
    .clac360-rvcc-container .unit-input-container select {
        width: 85px;
    }
}

.clac360-rvcc-container.colorblind-mode {
    --accent-primary: #0000FF;
    --accent-secondary: #FF0000;
    --success: #000000;
    --warning: #FFA500;
    --error: #8B0000;
}

.clac360-rvcc-container.colorblind-mode .grade-initial {
    stroke: #0000FF;
    stroke-dasharray: 5,5;
}

.clac360-rvcc-container.colorblind-mode .grade-final {
    stroke: #FF0000;
    stroke-dasharray: 5,5;
}

.clac360-rvcc-container.colorblind-mode .vertical-curve {
    stroke: #000000;
    stroke-width: 4;
}

.clac360-rvcc-container.colorblind-mode .sight-line {
    stroke: #FFA500;
    stroke-dasharray: 10,5;
}

.clac360-rvcc-container.colorblind-mode .point-pvc,
.clac360-rvcc-container.colorblind-mode .point-pvi,
.clac360-rvcc-container.colorblind-mode .point-pvt {
    fill: #0000FF;
    stroke: #FFFFFF;
    stroke-width: 2;
}

.clac360-rvcc-container.colorblind-mode .point-extreme {
    fill: #FF0000;
    stroke: #FFFFFF;
    stroke-width: 2;
}