* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.sandbox-bar {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 1.5rem 1.5rem;
    background-color: var(--sandbox-bar-bg);
}

.sandbox-bar * {
    margin: auto;
    padding: auto;
    font-size: 20px;
}


.hidden {
    display: none !important;
}

.sandbox-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    padding: 1.5rem;
}

#drawingCanvas {
    background-color: white;
    border-radius: 8px;
    box-shadow: 4px 4px 6px var(--shadow-card);
    width: 600px;
    height: 600px;
    border: 2px dotted var(--text-secondary);
    cursor: url('../media/paint-brush-cursur.png'), crosshair;
    touch-action: none;
    user-select: none;
}

#debugCanvas {
    width: 112px;
    height: 112px;
    border: 1px solid var(--text-secondary);
    image-rendering: pixelated;
    background-color: white;
    display: block;
}

.drawing-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}


.canvas-controls {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    background-color: var(--challenge-bar-bg);
    width: 100%;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--text-secondary);
}

.color-picker {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-start;
}

.color-picker label {
    font-size: 16px;
    color: var(--text-primary);
}

#color {
    width: 32px;
    height: 32px;
    border: none;
    cursor: pointer;
    border-radius: 4px;
}

.button-group {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    justify-content: flex-end;
    margin-left: auto;
}

#undo {
    background-color: var(--bg-undo);
    border-radius: 8px;
    border: 2px solid var(--border-undo);
    box-shadow: 4px 4px 6px var(--shadow-card);
    padding: 0.5rem 1rem;
    color: var(--text-undo);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}

#undo:hover {
    background-color: var(--bg-undo-hover);
}

#clear-canvas {
    background-color: var(--bg-clear);
    border-radius: 8px;
    border: 2px solid var(--border-clear);
    box-shadow: 4px 4px 6px var(--shadow-card);
    padding: 0.5rem 1rem;
    color: var(--text-clear);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}

#clear-canvas:hover {
    background-color: var(--bg-clear-hover);
}

#save {
    background-color: var(--bg-save);
    border-radius: 8px;
    border: 2px solid var(--border-save);
    box-shadow: 4px 4px 6px var(--shadow-card);
    padding: 0.5rem 1rem;
    color: var(--text-save);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}

#save:hover {
    background-color: var(--bg-save-hover);
}

#guesses {
    width: 300px;
    background-color: var(--bg-card);
    border-radius: 8px;
    box-shadow: 4px 4px 6px var(--shadow-card);
    padding: 1rem;
}

#guess-list {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
}

.guess-item {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin: 0.5rem 0;
    padding: 0.5rem 1rem;
    background-color: var(--bg-card);
    border-radius: 8px;
    box-shadow: 4px 4px 6px var(--shadow-card);
}

/* ===== Small screens ===== */
@media screen and (max-width: 960px) {
    .sandbox-container {
        flex-direction: column;
        align-items: center;
        padding: 1rem;
    }

    .sandbox-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.75rem;
    }

    .sandbox-bar * {
        font-size: 16px;
    }

    #drawingCanvas {
        width: 90vw;
        height: 90vw;
    }

    .drawing-area {
        width: 90vw;
    }

    .canvas-controls {
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.5rem;
        width: 100%;
    }

    .button-group {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: flex-end;
        margin-left: auto;
    }

    #guesses {
        width: 90vw;
    }

    .difficulty-selector {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Overlay image comparison stacks vertically on small screens */
    #image-container {
        flex-direction: column;
        gap: 1rem;
    }

    #result-canvas-container h1,
    #comparison-image-container h1 {
        width: 100%;
    }

    #result-canvas,
    #comparison-image {
        width: min(15rem, 80vw);
        height: min(15rem, 80vw);
    }
}