/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #1a1a1a;
    color: #fafaf9;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

/* Simulation canvas container */
.simulation-container {
    flex: 1;
    display: flex;
    background-color: #1a1a1a;
    overflow: hidden;
    min-height: 0;
}

.canvas-container {
    flex: 1;
    width: 100%;
    height: 100%;
}

canvas {
    background-color: #121212;
}

/* Control panel */
.controls {
    padding: 16px;
    background-color: #252525;
    border-top: 1px solid #333;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

/* Buttons */
button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background-color: #404040;
    color: #fafaf9;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #525252;
}

button:active {
    background-color: #333;
}

button.primary {
    background-color: #f59e0b;
    color: #000;
}

button.primary:hover {
    background-color: #fbbf24;
}

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

/* Input controls */
label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

input[type="range"] {
    width: 100px;
}

input[type="number"] {
    width: 60px;
    padding: 4px 8px;
    border: 1px solid #404040;
    border-radius: 4px;
    background-color: #1a1a1a;
    color: #fafaf9;
}

/* Status display */
.status {
    font-size: 12px;
    color: #a3a3a3;
}