/* LED Resistor Calculator - Professional Styles */
/* Preserving all original functionality and design */

.lrc-calculator-wrapper {
    background-color: #F5F5F5;
    color: #222222;
    line-height: 1.6;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.lrc-calculator-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.lrc-calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

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

.lrc-panel {
    background-color: #E0E0E0;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.lrc-panel-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #222222;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lrc-input-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.lrc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    align-items: end;
}

@media (max-width: 768px) {
    .lrc-form-row {
        grid-template-columns: 1fr;
    }
}

.lrc-input-field {
    display: flex;
    flex-direction: column;
}

.lrc-input-label {
    font-weight: 500;
    margin-bottom: 6px;
    color: #222222;
    font-size: 0.95rem;
}

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

.lrc-primary-input {
    padding: 12px 15px !important;
    border: 2px solid #333333 !important;
    border-radius: 8px !important;
    background-color: #f9f9f9 !important;
    font-size: 1rem !important;
    color: #222222 !important;
    height: 48px !important;
    min-height: 48px !important;
}

.lrc-primary-input:focus {
    outline: 2px solid #4A90E2 !important;
    outline-offset: 2px !important;
}

.lrc-secondary-input {
    padding: 10px 12px !important;
    border: 2px solid #666 !important;
    border-radius: 6px !important;
    background-color: #f9f9f9 !important;
    font-size: 0.95rem !important;
    color: #222222 !important;
    height: 44px !important;
    min-height: 44px !important;
}

.lrc-primary-input.lrc-select,
.lrc-secondary-input.lrc-select {
    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='%23222222' 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;
    padding-right: 40px !important;
}

.lrc-button-group {
    display: flex;
    gap: 15px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.lrc-button {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.lrc-button-primary {
    background-color: #4A90E2;
    color: white;
}

.lrc-button-primary:hover {
    background-color: #3a80d2;
    transform: translateY(-2px);
}

.lrc-button-secondary {
    background-color: #FF9500;
    color: white;
}

.lrc-button-secondary:hover {
    background-color: #e88500;
    transform: translateY(-2px);
}

.lrc-button-neutral {
    background-color: #666;
    color: white;
}

.lrc-button-neutral:hover {
    background-color: #555;
    transform: translateY(-2px);
}

.lrc-result-section {
    margin-top: 30px;
}

.lrc-result-card {
    background-color: #E0E0E0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
}

.lrc-result-title {
    font-weight: 600;
    color: #222222;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.lrc-result-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: #4A90E2;
    margin: 8px 0;
}

.lrc-warning {
    color: #d32f2f;
    background-color: rgba(211, 47, 47, 0.1);
    border-left: 4px solid #d32f2f;
    padding: 12px;
    border-radius: 4px;
    margin: 10px 0;
}

.lrc-info {
    color: #1976d2;
    background-color: rgba(25, 118, 210, 0.1);
    border-left: 4px solid #1976d2;
    padding: 12px;
    border-radius: 4px;
    margin: 10px 0;
}

.lrc-calculation-steps {
    margin-top: 20px;
}

.lrc-step {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
}

.lrc-step::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #4A90E2;
}

.lrc-visualization-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 25px 0;
}

.lrc-viz-panel {
    background-color: #E0E0E0;
    border-radius: 10px;
    padding: 20px;
    border: 2px solid #333;
}

.lrc-viz-title {
    font-weight: 600;
    color: #222222;
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lrc-viz-subtitle {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
}

.lrc-voltage-diagram {
    height: 120px;
    position: relative;
    margin: 20px 0;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #ccc;
    padding: 15px;
}

.lrc-voltage-scale {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to right, #4A90E2, #4A90E2);
    border-radius: 6px 6px 0 0;
}

.lrc-voltage-bar {
    position: absolute;
    top: 30px;
    left: 20px;
    right: 20px;
    height: 60px;
    display: flex;
    border: 2px solid #333;
    border-radius: 4px;
    overflow: hidden;
}

.lrc-voltage-segment {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lrc-voltage-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 70px;
    padding: 0 15px;
}

.lrc-voltage-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #222;
}

.lrc-power-bar-container {
    height: 100px;
    position: relative;
    margin: 20px 0;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #ccc;
    padding: 20px;
}

.lrc-power-bar {
    position: absolute;
    top: 30px;
    left: 20px;
    right: 20px;
    height: 30px;
    background-color: #ddd;
    border-radius: 15px;
    border: 2px solid #333;
    overflow: hidden;
}

.lrc-power-used {
    height: 100%;
    background-color: #4A90E2;
    transition: width 0.5s ease;
    position: relative;
}

.lrc-power-used.lrc-unsafe {
    background-color: #F44336;
}

.lrc-power-used.lrc-marginal {
    background-color: #FFC107;
}

.lrc-power-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 70px;
    padding: 0 15px;
}

.lrc-power-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #222;
}

.lrc-power-markers {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 5px;
}

.lrc-power-marker {
    width: 2px;
    height: 40px;
    background-color: #222;
    position: relative;
    top: -5px;
}

.lrc-power-marker-label {
    position: absolute;
    top: -25px;
    transform: translateX(-50%);
    font-size: 0.8rem;
    white-space: nowrap;
}

.lrc-toggle-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lrc-toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

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

.lrc-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.lrc-toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.lrc-toggle-switch input:checked + .lrc-toggle-slider {
    background-color: #4A90E2;
}

.lrc-toggle-switch input:checked + .lrc-toggle-slider:before {
    transform: translateX(30px);
}

.lrc-trademark {
    position: fixed;
    bottom: 15px;
    right: 15px;
    font-size: 0.8rem;
    color: #666;
    opacity: 0.7;
    z-index: 9999;
}

.lrc-error-message {
    color: #d32f2f;
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.lrc-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Colorblind Mode Styles */
.lrc-colorblind-mode .lrc-voltage-segment.lrc-led {
    background: repeating-linear-gradient(
        45deg,
        #FF9500,
        #FF9500 10px,
        #E08500 10px,
        #E08500 20px
    );
}

.lrc-colorblind-mode .lrc-voltage-segment.lrc-resistor {
    background: repeating-linear-gradient(
        45deg,
        #4A90E2,
        #4A90E2 10px,
        #3A80D2 10px,
        #3A80D2 20px
    );
}

.lrc-colorblind-mode .lrc-power-used {
    background: repeating-linear-gradient(
        45deg,
        #4A90E2,
        #4A90E2 5px,
        #3A80D2 5px,
        #3A80D2 10px
    );
}

.lrc-colorblind-mode .lrc-power-used.lrc-unsafe {
    background: repeating-linear-gradient(
        45deg,
        #F44336,
        #F44336 5px,
        #D32F2F 5px,
        #D32F2F 10px
    );
}

.lrc-colorblind-mode .lrc-power-used.lrc-marginal {
    background: repeating-linear-gradient(
        45deg,
        #FFC107,
        #FFC107 5px,
        #EEB206 5px,
        #EEB206 10px
    );
}

/* Enhanced Colorblind Mode Input Contrast */
.lrc-colorblind-mode .lrc-primary-input,
.lrc-colorblind-mode .lrc-secondary-input {
    border: 3px solid #111111 !important;
    background-color: #ffffff !important;
    color: #000000 !important;
}

.lrc-colorblind-mode .lrc-primary-input:focus,
.lrc-colorblind-mode .lrc-secondary-input:focus {
    outline: 3px solid #0000FF !important;
    outline-offset: 1px !important;
    border-color: #000000 !important;
}

.lrc-colorblind-mode .lrc-primary-input.lrc-select,
.lrc-colorblind-mode .lrc-secondary-input.lrc-select {
    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='%23000000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

.lrc-colorblind-mode .lrc-input-label {
    color: #000000;
    font-weight: 700;
    text-shadow: 0 0 1px #ffffff;
}

.lrc-colorblind-mode .lrc-input-hint {
    color: #444444;
    font-weight: 500;
}

.lrc-colorblind-mode .lrc-error-message {
    color: #990000;
    font-weight: 600;
    border-left: 3px solid #990000;
    padding-left: 8px;
    background-color: rgba(153, 0, 0, 0.1);
}

/* Colorblind mode button enhancements */
.lrc-colorblind-mode .lrc-button-primary {
    background-color: #0000AA;
    border: 2px solid #000055;
    position: relative;
}

.lrc-colorblind-mode .lrc-button-primary::before {
    content: "✓";
    position: absolute;
    left: 10px;
    font-weight: bold;
    opacity: 0.8;
}

.lrc-colorblind-mode .lrc-button-secondary {
    background-color: #AA5500;
    border: 2px solid #663300;
    position: relative;
}

.lrc-colorblind-mode .lrc-button-secondary::before {
    content: "↓";
    position: absolute;
    left: 10px;
    font-weight: bold;
    opacity: 0.8;
}

.lrc-colorblind-mode .lrc-button-neutral {
    background-color: #555555;
    border: 2px solid #222222;
    position: relative;
}

.lrc-colorblind-mode .lrc-button-neutral::before {
    content: "↺";
    position: absolute;
    left: 10px;
    font-weight: bold;
    opacity: 0.8;
}

@media (max-width: 480px) {
    .lrc-calculator-wrapper {
        padding: 10px;
    }
    .lrc-panel {
        padding: 15px;
    }
    .lrc-button {
        min-width: 100px;
        padding: 12px 20px;
    }
    .lrc-visualization-container {
        gap: 20px;
    }
    .lrc-viz-panel {
        padding: 15px;
    }
    
    .lrc-colorblind-mode .lrc-button-primary::before,
    .lrc-colorblind-mode .lrc-button-secondary::before,
    .lrc-colorblind-mode .lrc-button-neutral::before {
        content: "";
        display: none;
    }
}