:root {
    --bg-color: #1e1e1e;
    --panel-bg: #252526;
    --text-color: #d4d4d4;
    --border-color: #3e3e42;
    --accent-color: #007acc;
    --accent-hover: #0098ff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 20px;
    background-color: #333333;
    border-bottom: 1px solid var(--border-color);
    min-height: 50px;
}

.header-left {
    display: flex;
    align-items: center;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sample-label {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-right: 6px;
}

#sample-select {
    background-color: #1e1e1e;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 10px;
    min-width: 220px;
}

.sample-description {
    padding: 10px 20px;
    background-color: #252526;
    color: #c9d1d9;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.header h1 {
    font-size: 1.2rem;
    font-weight: 600;
}

#compile-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

#compile-btn:hover {
    background-color: var(--accent-hover);
}

.container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.panel {
    flex: 1; /* 50/50 split */
    display: flex;
    flex-direction: column;
}

.left-panel {
    border-right: 1px solid var(--border-color);
}

.right-panel {
    background-color: var(--panel-bg);
    padding: 10px;
    overflow-y: auto;
}

#editor-container {
    flex: 1;
    width: 100%;
}

.output-header {
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 10px;
    margin-top: 10px;
    color: #9cdcfe;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.output-header:first-child {
    margin-top: 0;
}

#console-output {
    flex: 1;
    background-color: #1e1e1e;
    border: 1px solid var(--border-color);
    padding: 10px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-y: auto;
    white-space: pre-wrap;
    min-height: 150px;
    border-radius: 4px;
}

#output-canvas {
    background-color: #000;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: block;
    max-width: 100%;
}