/* Base styles */
:root {
    --bg-color: #F5F5F5;
    --panel-color: #E0E0E0;
    --text-color: #222222;
    --accent-color: #4A90E2;
    --secondary-accent: #FF9500;
    --border-color: #333333;
    --input-bg: #f9f9f9;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #f44336;
}

.colorblind-mode {
    --accent-color: #000000;
    --secondary-accent: #555555;
    --success-color: #2E7D32;
    --warning-color: #EF6C00;
    --error-color: #C62828;
}

.momentum-conservation-calculator * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

.momentum-conservation-calculator body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    line-height: 1.6;
}

/* Layout */
.momentum-conservation-calculator .container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .momentum-conservation-calculator .container {
        grid-template-columns: 1fr;
    }
}

.momentum-conservation-calculator .panel {
    background-color: var(--panel-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Input section */
.momentum-conservation-calculator .input-section {
    grid-column: 1;
}

.momentum-conservation-calculator .input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.momentum-conservation-calculator .input-group {
    margin-bottom: 20px;
}

.momentum-conservation-calculator .input-title {
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.momentum-conservation-calculator .input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.momentum-conservation-calculator .input-field {
    flex: 1;
    min-width: 120px;
}

.momentum-conservation-calculator label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9em;
}

.momentum-conservation-calculator input, 
.momentum-conservation-calculator select {
    width: 100%;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    outline: none;
}

.momentum-conservation-calculator input:focus, 
.momentum-conservation-calculator select:focus {
    box-shadow: 0 0 0 2px var(--accent-color);
}

.momentum-conservation-calculator .colorblind-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.momentum-conservation-calculator .toggle-label {
    font-size: 0.9em;
}

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

.momentum-conservation-calculator .toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

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

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

.momentum-conservation-calculator input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

.momentum-conservation-calculator input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Colorblind mode styles */
.momentum-conservation-calculator .colorblind-mode .toggle-slider {
    border: 2px solid var(--text-color);
}

.momentum-conservation-calculator .colorblind-mode .toggle-slider:before {
    background-color: var(--text-color);
}

.momentum-conservation-calculator .colorblind-mode .btn-primary {
    background-color: var(--accent-color);
    border: 2px solid var(--text-color);
}

.momentum-conservation-calculator .colorblind-mode .btn-secondary {
    background-color: var(--secondary-accent);
    border: 2px solid var(--text-color);
}

/* Buttons */
.momentum-conservation-calculator .button-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.momentum-conservation-calculator .btn {
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s;
}

.momentum-conservation-calculator .btn-primary {
    background-color: var(--accent-color);
    color: white;
}

.momentum-conservation-calculator .btn-secondary {
    background-color: var(--secondary-accent);
    color: white;
}

.momentum-conservation-calculator .btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Results section */
.momentum-conservation-calculator .results-section {
    grid-column: 2;
}

@media (max-width: 768px) {
    .momentum-conservation-calculator .results-section {
        grid-column: 1;
    }
}

.momentum-conservation-calculator .result-item {
    margin-bottom: 15px;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
}

.momentum-conservation-calculator .result-title {
    font-weight: bold;
    margin-bottom: 5px;
}

.momentum-conservation-calculator .step-calculation {
    background-color: rgba(255, 255, 255, 0.7);
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    font-family: monospace;
    white-space: pre-wrap;
}

.momentum-conservation-calculator .analysis {
    margin-top: 10px;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    border-left: 4px solid var(--accent-color);
}

.momentum-conservation-calculator .conservation-status {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.momentum-conservation-calculator .conservation-item {
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    font-weight: bold;
}

.momentum-conservation-calculator .conservation-success {
    background-color: rgba(76, 175, 80, 0.2);
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.momentum-conservation-calculator .conservation-warning {
    background-color: rgba(255, 152, 0, 0.2);
    border: 2px solid var(--warning-color);
    color: var(--warning-color);
}

.momentum-conservation-calculator .conservation-error {
    background-color: rgba(244, 67, 54, 0.2);
    border: 2px solid var(--error-color);
    color: var(--error-color);
}

.momentum-conservation-calculator .conservation-icon {
    font-size: 1.5em;
    margin-bottom: 5px;
}

/* Trademark */
.momentum-conservation-calculator .trademark {
    position: relative;
    bottom: 10px;
    right: 10px;
    font-size: 0.8em;
    color: var(--text-color);
    opacity: 0.7;
    text-align: right;
    margin-top: 20px;
}

/* Object management */
.momentum-conservation-calculator .object-controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.momentum-conservation-calculator .collision-type {
    margin-bottom: 15px;
}

/* Error message */
.momentum-conservation-calculator .error-message {
    color: #d32f2f;
    background-color: #ffcdd2;
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    display: none;
}

/* Visualization styles */
.momentum-conservation-calculator .visualization-container {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.momentum-conservation-calculator .chart-container {
    position: relative;
    height: 300px;
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.momentum-conservation-calculator .vector-diagram {
    height: 300px;
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
}

.momentum-conservation-calculator .vector-arrow {
    position: absolute;
    transform-origin: center;
}

.momentum-conservation-calculator .vector-label {
    position: absolute;
    font-size: 12px;
    font-weight: bold;
}