:root {
    --primary-bg-color: #F5F5DC; /* 부드러운 베이지 */
    --secondary-bg-color: #FFFDD0; /* 크림색 */
    --accent-color-dark: #5D4037; /* 딥 브라운 */
    --accent-color-light: #FFD700; /* 골드 */
    --text-color: #333;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Noto Sans KR', sans-serif;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-image: url('data:image/svg+xml,%3Csvg width="6" height="6" viewBox="0 0 6 6" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%239C92AC" fill-opacity="0.1"%3E%3Cpath d="M5 0h1L0 6V5zM6 5v1H5z"/%3E%3C/g%3E%3C/svg%3E');
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

#hero {
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--secondary-bg-color);
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

#hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--accent-color-dark);
    margin-bottom: 0.5rem;
}

#editor {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 992px) {
    #editor {
        grid-template-columns: 300px 1fr 300px;
    }
}

.upload-container, .canvas-container, .controls-container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.upload-container {
    border: 3px dashed var(--accent-color-light);
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

.upload-container:hover, .upload-container.dragover {
    background-color: #fefcf2;
    transform: scale(1.02);
}

.upload-container p {
    color: #777;
    font-weight: 700;
    font-size: 1.1rem;
}

#image-uploader {
    display: none;
}

.canvas-container {
    padding: 1rem;
}

#canvas {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.controls-container h2 {
    font-family: var(--font-heading);
    color: var(--accent-color-dark);
    text-align: center;
    margin-bottom: 1.5rem;
}

.hat-selection {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hat-image {
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    border: 3px solid transparent;
    padding: 5px;
    background-color: #f9f9f9;
}

.hat-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.5);
}

.hat-image.selected {
    border-color: var(--accent-color-light);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
    transform: scale(1.1);
}

#download-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, var(--accent-color-dark), #7a5a4d);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

#download-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}