/* Voltage Divider Calculator-clac360 Styles */
.vdc-clac360-calculator-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

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

:root {
    --bg-color: #F5F5F5;
    --panel-color: #E0E0E0;
    --text-color: #222222;
    --primary-accent: #4A90E2;
    --secondary-accent: #FF9500;
    --input-border: #333333;
    --input-bg: #f9f9f9;
    --error-color: #D32F2F;
    --success-color: #388E3C;
    --warning-color: #F57C00;
    --resistor-color: #4A90E2;
    --capacitor-color: #9C27B0;
    --inductor-color: #009688;
    --load-color: #43A047;
    --wire-color: #666666;
    --node-color: #FF9500;
    --current-color: #E53935;
    --high-z-color: #7B1FA2;
    --low-z-color: #0288D1;
    --resonance-color: #FF9800;
}

.vdc-clac360-calculator-container {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.vdc-calculator-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1600px;
    margin: 0 auto;
    padding-bottom: 60px;
}

.vdc-input-panel, .vdc-result-panel {
    background-color: var(--panel-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    flex: 1;
    min-width: 300px;
}

.vdc-panel-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vdc-form-group {
    margin-bottom: 20px;
}

.vdc-form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.vdc-sublabel {
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
    margin-top: 2px;
}

.vdc-calculator-container select,
.vdc-calculator-container input {
    width: 100%;
    padding: 14px 16px; /* Increased padding for better visibility */
    border: 2px solid var(--input-border);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s;
    min-height: 52px; /* Increased height for better visibility */
    line-height: 1.5;
}

.vdc-calculator-container select:focus,
.vdc-calculator-container input:focus {
    outline: none;
    border-color: var(--primary-accent);
}

.vdc-input-with-unit {
    position: relative;
}

.vdc-unit {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-size: 0.9rem;
}

.vdc-mode-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.vdc-mode-dropdown {
    flex: 1;
}

.vdc-two-layer-dropdown {
    display: flex;
    gap: 10px;
}

.vdc-two-layer-dropdown select {
    flex: 1;
}

.vdc-button-group {
    display: flex;
    gap: 15px; /* Increased gap */
    margin-top: 40px; /* Increased margin from last input field */
    flex-wrap: wrap;
}

.vdc-button {
    padding: 16px 32px; /* Increased padding */
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    min-height: 52px; /* Increased height */
    flex: 1;
    min-width: 140px; /* Increased width */
    text-align: center;
}

.vdc-button-primary {
    background-color: var(--primary-accent);
    color: white;
}

.vdc-button-secondary {
    background-color: var(--secondary-accent);
    color: white;
}

.vdc-button-export {
    background-color: #5D4037;
    color: white;
}

.vdc-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.vdc-button:active {
    transform: translateY(0);
}

.vdc-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vdc-error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 5px;
    min-height: 20px;
}

.vdc-svg-container {
    width: 100%;
    height: 250px;
    background-color: white;
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
    border: 2px solid #ddd;
}

.vdc-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.vdc-result-item {
    background-color: white;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-accent);
}

.vdc-result-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.vdc-result-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
}

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

.vdc-analysis-section {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.vdc-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-accent);
    padding-bottom: 5px;
}

.vdc-dynamic-text {
    line-height: 1.6;
    white-space: pre-line;
}

.vdc-confidence-score {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--primary-accent);
    color: white;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.vdc-confidence-high {
    background-color: var(--success-color);
}

.vdc-confidence-medium {
    background-color: var(--warning-color);
}

.vdc-confidence-low {
    background-color: var(--error-color);
}

.vdc-colorblind-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.vdc-toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.vdc-toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.vdc-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.vdc-toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.vdc-toggle-switch input:checked + .vdc-toggle-slider {
    background-color: var(--primary-accent);
}

.vdc-toggle-switch input:checked + .vdc-toggle-slider:before {
    transform: translateX(26px);
}

.vdc-trademark {
    position: fixed;
    bottom: 20px;
    right: 20px;
    color: #666;
    font-size: 0.9rem;
    font-style: italic;
    z-index: 9999;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .vdc-calculator-wrapper {
        flex-direction: column;
    }
    
    .vdc-input-panel, .vdc-result-panel {
        width: 100%;
    }
    
    .vdc-mode-selector {
        flex-direction: column;
    }
    
    .vdc-two-layer-dropdown {
        flex-direction: column;
    }
    
    .vdc-button-group {
        flex-direction: column;
    }
    
    .vdc-button {
        width: 100%;
    }
    
    .vdc-trademark {
        position: static;
        text-align: center;
        margin-top: 20px;
    }
    
    .vdc-panel-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .vdc-colorblind-toggle {
        align-self: flex-start;
    }
}

/* Colorblind mode adjustments */
.vdc-colorblind-mode .vdc-component-resistor {
    stroke-dasharray: 5,5;
}

.vdc-colorblind-mode .vdc-component-capacitor {
    stroke-dasharray: 2,2;
}

.vdc-colorblind-mode .vdc-component-inductor {
    stroke-dasharray: 1,3;
}

.vdc-colorblind-mode .vdc-component-load {
    stroke-dasharray: 8,2,2,2;
}

/* Colorblind mode for input parameters */
.vdc-colorblind-mode select,
.vdc-colorblind-mode input {
    border-style: dashed !important;
    border-width: 2px !important;
}

.vdc-colorblind-mode .vdc-form-label {
    font-weight: 700;
    text-decoration: underline;
}

.vdc-colorblind-mode .vdc-sublabel {
    border-left: 3px solid #222222;
    padding-left: 8px;
}

/* Loading animation */
.vdc-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,0,0,.1);
    border-radius: 50%;
    border-top-color: var(--primary-accent);
    animation: vdc-spin 1s ease-in-out infinite;
}

@keyframes vdc-spin {
    to { transform: rotate(360deg); }
}

/* Tooltip */
.vdc-tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.vdc-tooltip .vdc-tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--text-color);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
    font-weight: normal;
}

.vdc-tooltip:hover .vdc-tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Step-by-step calculations */
.vdc-step-calculation {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border-left: 3px solid var(--primary-accent);
    font-family: monospace;
    font-size: 0.95rem;
    overflow-x: auto;
}

/* Scroll target for result panel */
.vdc-result-panel {
    scroll-margin-top: 20px;
}

/* Ensure dropdown text is visible */
.vdc-calculator-container select {
    padding-right: 40px; /* Space for dropdown arrow */
    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='%23666' 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 12px center;
    background-size: 16px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Ensure input text is visible */
.vdc-calculator-container input[type="number"],
.vdc-calculator-container input[type="text"] {
    padding: 14px 16px;
    font-size: 16px; /* Prevent zoom on mobile */
    line-height: 1.5;
}

/* Prevent overlapping */
.vdc-form-group + .vdc-form-group {
    margin-top: 0;
}

/* Ensure buttons have proper spacing */
.vdc-button-group > * + * {
    margin-top: 0;
}

/* Ensure all form elements are properly spaced */
.vdc-input-panel > *:not(:last-child) {
    margin-bottom: 25px;
}