/* Overall App Container */
.my-drawing-app-container {
    display: flex;
    flex-direction: column;
    max-width: 100%; /* Allow full width of parent container */
    margin: 0 auto; /* Center if less than 100% */
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #f9f9f9;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    font-family: 'Inter', sans-serif;
    min-height: 600px; /* Ensure app takes some height */
}

/* Top Bar Styling */
.my-drawing-topbar {
    background-color: #ffffff;
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    flex-wrap: wrap; /* Allow items to wrap on smaller screens */
    gap: 15px; /* Space between control groups */
    align-items: center;
    justify-content: center; /* Center controls horizontally */
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.my-drawing-topbar .control-group {
    display: flex;
    align-items: center;
    gap: 8px; /* Space between label and input/select */
    margin-bottom: 5px; /* Slight margin for wrapped items */
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.toolbar-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.toolbar-row:last-child {
    border-bottom: none;
}

.my-drawing-topbar label {
    font-weight: bold;
    color: #444;
    white-space: nowrap;
    font-size: 14px;
}

.my-drawing-topbar input[type="file"] {
    max-width: 150px; /* Limit file input width */
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fff;
    font-size: 13px;
    cursor: pointer;
}

.my-drawing-topbar input[type="color"] {
    width: 50px; /* Smaller color picker */
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    padding: 0;
    background: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}
.my-drawing-topbar input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.my-drawing-topbar input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }
.my-drawing-topbar input[type="color"]::-moz-color-swatch-wrapper { padding: 0; }
.my-drawing-topbar input[type="color"]::-moz-color-swatch { border: none; border-radius: 4px; }

/* Color Control Group Styling */
.color-control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.color-inputs {
    display: flex;
    align-items: center;
    gap: 6px;
}

.color-code-input {
    width: 80px;
    height: 30px;
    padding: 5px 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 12px;
    font-family: monospace;
    text-align: center;
}

.apply-color-button {
    height: 30px;
    padding: 5px 10px;
    background-color: #007cba;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    transition: background-color 0.2s;
}

.apply-color-button:hover {
    background-color: #005a87;
}

/* Improved Color Palette */
.color-palette {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
    max-width: 200px;
}

/* Shape Buttons */
.shape-button {
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f8f9fa;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
    height: 32px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shape-button:hover {
    background-color: #e9ecef;
    border-color: #adb5bd;
}

.shape-button.active {
    background-color: #007cba;
    color: white;
    border-color: #007cba;
}

/* Tool Buttons */
.tool-button {
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f8f9fa;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    min-width: 60px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-button:hover {
    background-color: #e9ecef;
    border-color: #adb5bd;
}

.tool-button.active {
    background-color: #007cba;
    color: white;
    border-color: #007cba;
}

.my-drawing-topbar select {
    padding: 7px 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fff;
    font-size: 13px;
    cursor: pointer;
}

/* Buttons */
.tool-mode-button, .action-button {
    padding: 8px 15px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    white-space: nowrap; /* Prevent button text from wrapping */
    height: 32px; /* Consistent button height */
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.tool-mode-button.primary-button, .action-button.primary-button {
    background-color: #4CAF50; /* Green */
    color: white;
}
.tool-mode-button.primary-button:hover, .action-button.primary-button:hover { background-color: #45a049; }

.action-button.secondary-button {
    background-color: #008CBA; /* Blue */
    color: white;
}
.action-button.secondary-button:hover { background-color: #007bb5; }

.action-button.delete-button {
    background-color: #e74c3c; /* Darker Red */
    color: white;
}
.action-button.delete-button:hover { background-color: #c0392b; }

.tool-mode-button:active, .action-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Canvas Area */
.my-drawing-canvas-area {
    flex-grow: 1; /* Take up all available vertical space */
    display: flex;
    flex-direction: column; /* For message div below canvas */
    justify-content: center; /* Center canvas vertically */
    align-items: center; /* Center canvas horizontally */
    padding: 15px;
    background-color: #f0f0f0; /* Light grey background for the canvas area */
}

#my-drawing-main-canvas {
    display: block;
    background-color: #ffffff; /* Actual drawing surface background */
    border: 2px solid #ddd;
    border-radius: 8px;
    touch-action: none; /* Prevent scrolling/zooming on touch */
    width: 100%; /* Canvas will expand to 100% of its parent's width */
    height: auto; /* Height will be calculated by JS to maintain aspect ratio */
    cursor: default; /* Default cursor for image manipulation, changes in JS */
}

/* Message Area */
.my-drawing-message {
    margin-top: 10px;
    font-size: 13px;
    color: #555;
    text-align: center;
    min-height: 20px; /* Reserve space to prevent layout shifts */
}

/* Responsive adjustments for smaller screens */
@media (max-width: 768px) {
    .my-drawing-topbar {
        flex-direction: column; /* Stack controls vertically */
        align-items: stretch; /* Stretch controls to full width */
        gap: 10px;
        padding: 10px;
    }

    .my-drawing-topbar .control-group {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }

    .my-drawing-topbar label,
    .my-drawing-topbar input[type="file"],
    .my-drawing-topbar input[type="color"],
    .my-drawing-topbar select,
    .tool-mode-button {
        width: 100%;
        box-sizing: border-box;
    }

    /* REVISED FIX: Ensure action buttons behave as a flex container for wrapping */
    .my-drawing-topbar .action-buttons {
        display: flex; /* Use flexbox */
        flex-wrap: wrap; /* Allow buttons to wrap to next line */
        justify-content: space-between; /* Distribute buttons with space between them */
        gap: 10px; /* Space between buttons */
        width: 100%; /* Take full width of its parent .control-group */
        box-sizing: border-box;
    }

    .my-drawing-topbar .action-buttons button {
        /* Each button takes roughly 50% width, accounting for the gap */
        flex: 1 1 calc(50% - 5px);
        max-width: calc(50% - 5px); /* Ensure it doesn't grow beyond 50% */
        box-sizing: border-box;
        margin-bottom: 0; /* Remove vertical margin if using gap for consistent spacing */
    }
}