body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin: 0;
    height: 100vh;
    background-color: #f0f0f0;
    overflow-y: auto;
}

h1 {
    margin-bottom: 2vw;
    font-size: 3vw;
    text-align: center;
}

a {
    color: #007BFF;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.upload-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2vw;
}

.upload-item {
    display: flex;
    align-items: center;
    margin-bottom: 1vw;
}

.upload-item label {
    margin-right: 1vw;
}

.upload-item input[type="file"] {
    margin-right: 1vw;
}

.chart-container {
    position: relative;
    width: 80vw;
    height: 80vh;
    max-width: 600px;
    max-height: 600px;
    border: 2px solid #ccc;
    background: repeating-linear-gradient(to bottom, #ffffff 0px, #ffffff 4vw, #f2f2f2 4vw, #f2f2f2 8vw);
    animation: pulse 3s infinite;
    margin-top: 20px;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% {
        background-color: #f0f0f0;
    }
    50% {
        background-color: #e0e0e0;
    }
}

.image-wrapper {
    position: absolute;
    bottom: 0;
    display: flex;
    justify-content: space-evenly;
    width: 100%;
    height: 100%;
    align-items: flex-end;
}

.uploaded-image {
    max-width: 45%;
    position: relative;
    bottom: 0;
    transition: height 0.3s ease-in-out;
}

.height-labels {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transform: translateY(15px);
    animation: slideUpFadeIn 0.8s ease-out forwards;
}

@keyframes slideUpFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.height-label {
    position: absolute;
    width: auto;
    text-align: center;
    font-size: 1.5vw;
    color: #333;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 5px 10px;
    border-radius: 5px;
    transform: translateX(-50%);
}

.image-buttons-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 600px;
    margin: 10px 0;
    text-align: center;
}

.image-buttons-row {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: 10px;
}

.image-button {
    padding: 10px 15px;
    border: none;
    cursor: pointer;
    font-size: 1em;
    color: white;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.image-button.upload {
    background-color: green;
}

.image-button.upload:hover {
    background-color: darkgreen;
}

.image-button.select {
    background-color: orange;
}

.image-button.select:hover {
    background-color: darkorange;
}

.image-button.edit {
    background-color: blue;
}

.image-button.edit:hover {
    background-color: darkblue;
}

.add-image-button {
    background: linear-gradient(to right, #ffffff, #add8e6);
    color: #333;
    padding: 10px;
    cursor: pointer;
    text-align: center;
    font-size: 1.2em;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.add-image-button:hover {
    background: linear-gradient(to right, #add8e6, #ffffff);
}

.remove-btn {
    background-color: #ff4444;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    margin-left: 10px;
    cursor: pointer;
}

.remove-btn:hover {
    background-color: #cc0000;
}

.edit-btn {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    margin-left: 10px;
    cursor: pointer;
}

.edit-btn:hover {
    background-color: #0056b3;
}

/* Editor Modal Styles */
#imageEditorModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#imageEditorModal > div {
    background: white;
    padding: 20px;
    border-radius: 8px;
    max-width: 90%;
    max-height: 90%;
}

#imageEditorModal img {
    max-height: 60vh;
    max-width: 100%;
}

#imageEditorModal button {
    transition: background-color 0.3s;
}

#imageEditorModal button:hover {
    opacity: 0.9;
}

/* Upload Modal Styles */
#uploadModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#uploadModal > div {
    background: white;
    padding: 20px;
    border-radius: 8px;
    max-width: 90%;
    max-height: 90%;
}

/* Character Selection Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 700px;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.category-button {
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.category-button:hover {
    background-color: #0056b3;
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
}

.character-grid img {
    width: 100px;
    height: auto;
    cursor: pointer;
    border: 2px solid transparent;
}

.character-grid img:hover {
    border: 2px solid #007BFF;
}

@media (max-width: 768px) {
    h1 {
        font-size: 5vw;
    }

    .upload-item input[type="file"],
    .upload-item input[type="number"] {
        width: 80%;
    }

    .chart-container {
        width: 95vw;
        height: 60vh;
    }

    .height-label {
        font-size: 3.5vw;
    }

    .image-buttons-container {
        flex-direction: column;
    }

    .image-buttons-row {
        flex-direction: column;
        gap: 10px;
    }

    .image-button {
        font-size: 0.9em;
        padding: 8px 10px;
    }

    .upload-item {
        flex-wrap: wrap;
    }

    .upload-item label {
        width: 100%;
        margin-bottom: 5px;
    }

    /* Hide the second upload item on mobile */
    #uploadContainer1 .upload-item:nth-child(2) {
        display: none;
    }
}
