:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-color: #c9d1d9;
    --accent-color: #58a6ff;
    --success-color: #238636;
    --warning-color: #d29922;
    --error-color: #da3633;
    --empty-color: #30363d;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#game-container {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #30363d;
    width: 95%;
    max-width: 800px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--accent-color);
}

#hud {
    display: flex;
    gap: 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

#status-tag {
    background: #30363d;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid #444;
    min-width: 100px;
    text-align: center;
}

#gameCanvas {
    background-color: #010409;
    border-radius: 8px;
    cursor: crosshair;
    image-rendering: pixelated;
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
}

footer {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    font-size: 0.9rem;
    color: #8b949e;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.speed-control input {
    width: 80px;
    height: 4px;
    background: var(--empty-color);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

#debug-btn,
#reset-btn {
    background: transparent;
    border: 1px solid #30363d;
    color: #8b949e;
    padding: 4px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

#debug-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

#reset-btn:hover {
    border-color: var(--error-color);
    color: var(--error-color);
}

#message-box {
    font-weight: 700;
    transition: opacity 0.5s ease-in-out;
    opacity: 0;
    color: var(--accent-color);
}

.on-plan {
    color: var(--success-color);
}

.early {
    color: var(--warning-color);
}

.on-time {
    color: var(--success-color);
}

.behind {
    color: var(--accent-color);
}
@media (max-width: 600px) {
    #game-container {
        padding: 1rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    #hud {
        gap: 1rem;
        font-size: 0.9rem;
        width: 100%;
        justify-content: space-between;
    }

    footer {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .controls {
        flex-wrap: wrap;
        gap: 0.8rem;
    }

    #status-tag {
        min-width: 80px;
        font-size: 0.8rem;
    }
}