/* Base Styles */
:root {
    --bg-color: #F5F5F5;
    --panel-color: #E0E0E0;
    --text-color: #222222;
    --primary-accent: #4A90E2;
    --secondary-accent: #FF9500;
    --input-bg: #f9f9f9;
    --input-border: #333333;
    --warning-color: #d62728;
    --success-color: #2ca02c;
    --info-color: #1f77b4;
    --border-radius: 4px;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Colorblind Mode */
body.colorblind-mode .roundabout-calculator-container,
.roundabout-calculator-container.colorblind-mode {
    --primary-accent: #0066CC;
    --secondary-accent: #CC6600;
    --warning-color: #990000;
    --success-color: #006600;
    --info-color: #000066;
}

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

.roundabout-calculator-container {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
    width: 100%;
}

.roundabout-calculator-container .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* CHANGED: Updated media query to use 1024px instead of 1024px for better side-by-side layout */
@media (min-width: 1024px) {
    .roundabout-calculator-container .container {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto; /* Added for clarity */
        align-items: start; /* Ensure panels align at the top */
    }
}

/* Panel Styles */
.roundabout-calculator-container .input-panel,
.roundabout-calculator-container .results-panel {
    background-color: var(--panel-color);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    height: fit-content; /* Ensure panels fit their content */
}

.roundabout-calculator-container .panel-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-accent);
}

.roundabout-calculator-container .panel-title h2 {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
}

/* Input Groups */
.roundabout-calculator-container .input-group {
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--input-bg);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
}

.roundabout-calculator-container .input-group h3 {
    color: var(--primary-accent);
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.roundabout-calculator-container .input-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .roundabout-calculator-container .input-row {
        grid-template-columns: 1fr 1fr;
    }
}

.roundabout-calculator-container .input-field {
    display: flex;
    flex-direction: column;
}

.roundabout-calculator-container .input-field label {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-color);
}

.roundabout-calculator-container .input-hint {
    font-size: 0.85rem;
    color: #666;
    margin-top: 3px;
    font-style: italic;
}

.roundabout-calculator-container .primary-input {
    height: 44px; /* Increased for better visibility */
    padding: 10px 12px; /* Increased padding */
    border: 2px solid var(--input-border);
    border-radius: var(--border-radius);
    background-color: white;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    min-height: 44px; /* Ensure minimum height */
    line-height: 1.4; /* Better line spacing */
}

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

.roundabout-calculator-container .secondary-input {
    height: 44px; /* Increased for better visibility */
    padding: 10px 12px; /* Increased padding */
    border: 1px solid #999;
    border-radius: var(--border-radius);
    background-color: white;
    font-size: 1rem;
    min-height: 44px; /* Ensure minimum height */
    line-height: 1.4; /* Better line spacing */
}

.roundabout-calculator-container select.primary-input,
.roundabout-calculator-container select.secondary-input {
    height: 44px; /* Ample height for dropdowns */
    padding: 10px 12px; /* Proper padding */
    appearance: auto; /* Ensure native dropdown appearance */
    line-height: 1.4; /* Better line spacing */
}

/* Control Buttons */
.roundabout-calculator-container .control-buttons {
    display: flex;
    gap: 15px;
    margin-top: 40px; /* Increased margin for clear separation */
    flex-wrap: wrap;
}

.roundabout-calculator-container .btn {
    height: 48px; /* Slightly larger buttons */
    padding: 0 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.roundabout-calculator-container .btn-calculate {
    background-color: var(--primary-accent);
    color: white;
}

.roundabout-calculator-container .btn-reset {
    background-color: var(--secondary-accent);
    color: white;
}

.roundabout-calculator-container .btn-export {
    background-color: #2ca02c;
    color: white;
}

.roundabout-calculator-container .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.roundabout-calculator-container .btn:active {
    transform: translateY(0);
}

/* Results Panel */
.roundabout-calculator-container .results-content {
    display: none;
}

.roundabout-calculator-container .results-content.active {
    display: block;
}

.roundabout-calculator-container .results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-accent);
}

.roundabout-calculator-container .results-header h2 {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
}

/* Results Sections */
.roundabout-calculator-container .results-section {
    margin-bottom: 25px;
    padding: 15px;
    background-color: var(--input-bg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-accent);
}

.roundabout-calculator-container .results-section h3 {
    color: var(--text-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.roundabout-calculator-container .results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.roundabout-calculator-container .result-item {
    padding: 12px;
    background-color: white;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
}

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

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

.roundabout-calculator-container .result-unit {
    font-size: 0.85rem;
    color: #666;
    margin-left: 3px;
}

/* Flags */
.roundabout-calculator-container .flags-container {
    margin: 20px 0;
}

.roundabout-calculator-container .flag {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: var(--border-radius);
    border-left: 4px solid;
    background-color: white;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.roundabout-calculator-container .flag-warning {
    border-left-color: var(--warning-color);
    background-color: rgba(214, 39, 40, 0.1);
}

.roundabout-calculator-container .flag-info {
    border-left-color: var(--info-color);
    background-color: rgba(31, 119, 180, 0.1);
}

.roundabout-calculator-container .flag-success {
    border-left-color: var(--success-color);
    background-color: rgba(44, 160, 44, 0.1);
}

/* Calculation Steps */
.roundabout-calculator-container .calculation-steps {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 15px;
    border: 1px solid #ddd;
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.roundabout-calculator-container .calculation-step {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.roundabout-calculator-container .calculation-step:last-child {
    border-bottom: none;
}

.roundabout-calculator-container .step-number {
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: var(--primary-accent);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 24px;
    margin-right: 10px;
    font-size: 0.85rem;
}

/* Dynamic Content */
.roundabout-calculator-container .dynamic-content {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

.roundabout-calculator-container .dynamic-section {
    margin-bottom: 20px;
}

.roundabout-calculator-container .dynamic-section h4 {
    color: var(--primary-accent);
    margin-bottom: 10px;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.roundabout-calculator-container .dynamic-section h4::before {
    content: "•";
    color: var(--secondary-accent);
    font-size: 1.5rem;
}

/* SVG Visualization */
.roundabout-calculator-container .visualization-container {
    margin-top: 30px;
    padding: 20px;
    background-color: white;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
}

.roundabout-calculator-container #roundaboutSVG {
    width: 100%;
    height: 400px;
    background-color: var(--input-bg);
    border-radius: var(--border-radius);
}

/* Footer and Trademark */
.roundabout-calculator-container .footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    font-size: 0.85rem;
    color: #666;
}

.roundabout-calculator-container .trademark {
    position: relative;
    bottom: auto;
    right: auto;
    font-size: 0.75rem;
    color: #666;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 4px 8px;
    border-radius: 3px;
    text-align: right;
    margin-top: 20px;
}

/* Mobile Optimizations */
@media (max-width: 767px) {
    .roundabout-calculator-container .container {
        gap: 20px;
    }
    
    .roundabout-calculator-container .input-panel,
    .roundabout-calculator-container .results-panel {
        padding: 15px;
    }
    
    .roundabout-calculator-container .control-buttons {
        flex-direction: column;
    }
    
    .roundabout-calculator-container .btn {
        width: 100%;
    }
    
    .roundabout-calculator-container .results-grid {
        grid-template-columns: 1fr;
    }
    
    .roundabout-calculator-container #roundaboutSVG {
        height: 300px;
    }
}

/* Colorblind Mode Toggle */
.roundabout-calculator-container .colorblind-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--primary-accent);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    white-space: nowrap; /* Prevent wrapping */
    flex-shrink: 0; /* Prevent shrinking */
}

.roundabout-calculator-container .colorblind-toggle:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Colorblind Mode Specific Styles */
.roundabout-calculator-container.colorblind-mode .primary-input {
    border: 2px solid #000000;
    background-color: #FFFFFF;
}

.roundabout-calculator-container.colorblind-mode .primary-input:focus {
    border-color: #000000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.3);
    outline: 2px solid #000000;
    outline-offset: 2px;
}

.roundabout-calculator-container.colorblind-mode .secondary-input {
    border: 2px solid #666666;
    background-color: #FFFFFF;
}

.roundabout-calculator-container.colorblind-mode .input-group {
    border: 2px solid #000000;
}

.roundabout-calculator-container.colorblind-mode .btn-calculate {
    border: 2px solid #000000;
}

.roundabout-calculator-container.colorblind-mode .btn-reset {
    border: 2px solid #333333;
}

.roundabout-calculator-container.colorblind-mode .btn-export {
    border: 2px solid #333333;
}

/* Input Error States */
.roundabout-calculator-container .input-error {
    border-color: var(--warning-color) !important;
    background-color: rgba(214, 39, 40, 0.05) !important;
}

.roundabout-calculator-container .error-message {
    color: var(--warning-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.roundabout-calculator-container .error-message.active {
    display: block;
}

/* Ensure no overlapping elements */
.roundabout-calculator-container .input-field {
    position: relative;
    z-index: 1;
}

.roundabout-calculator-container .input-row {
    position: relative;
    z-index: 1;
}

/* Ensure all text is visible */
.roundabout-calculator-container input,
.roundabout-calculator-container select {
    overflow: visible;
    text-overflow: ellipsis;
}

.roundabout-calculator-container select option {
    padding: 8px;
    height: auto;
    line-height: 1.4;
}

/* WordPress specific fixes */
.wp-admin .roundabout-calculator-container {
    padding: 20px 0;
}

.wp-admin .roundabout-calculator-container .container {
    max-width: 100%;
}