@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;700&display=swap');

:root {
    --bg-color-light: #f4f7f6;
    --text-color-light: #333;
    --container-bg-light: white;
    --header-color-light: #2c3e50;
    --button-bg-light: #3498db;
    --button-text-light: white;
    --select-border-light: #ddd;

    --bg-color-dark: #2c3e50;
    --text-color-dark: #ecf0f1;
    --container-bg-dark: #34495e;
    --header-color-dark: #ecf0f1;
    --button-bg-dark: #5dade2;
    --button-text-dark: #2c3e50;
    --select-border-dark: #5dade2;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
}

.container {
    background: var(--container-bg-light);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
    max-width: 600px;
    position: relative;
    transition: background-color 0.3s;
}

body.dark-mode .container {
    background: var(--container-bg-dark);
}

.toolbar {
    position: absolute;
    top: 15px;
    right: 15px;
}

.theme-btn {
    padding: 8px 12px;
    background-color: var(--button-bg-light);
    color: var(--button-text-light);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

body.dark-mode .theme-btn {
    background-color: var(--button-bg-dark);
    color: var(--button-text-dark);
}

h1 {
    color: var(--header-color-light);
    margin-bottom: 30px;
    transition: color 0.3s;
}

body.dark-mode h1 {
    color: var(--header-color-dark);
}

.selection-wrapper {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

#hairstyle-select {
    flex-grow: 1;
    padding: 12px;
    border: 1px solid var(--select-border-light);
    border-radius: 5px;
    font-size: 16px;
    background-color: var(--container-bg-light);
    color: var(--text-color-light);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

body.dark-mode #hairstyle-select {
    background-color: var(--container-bg-dark);
    color: var(--text-color-dark);
    border-color: var(--select-border-dark);
}

#recommend-btn {
    padding: 12px 25px;
    background-color: var(--button-bg-light);
    color: var(--button-text-light);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

#recommend-btn:hover {
    opacity: 0.9;
}

body.dark-mode #recommend-btn {
    background-color: var(--button-bg-dark);
    color: var(--button-text-dark);
}

.recommendation-wrapper {
    text-align: left;
    border-top: 1px solid #eee;
    padding-top: 30px;
}

body.dark-mode .recommendation-wrapper {
    border-top-color: #444;
}

.product {
    margin-bottom: 25px;
}

.product h2 {
    color: #3498db;
    margin-bottom: 10px;
}

body.dark-mode .product h2 {
    color: var(--button-bg-dark);
}

.product p {
    line-height: 1.6;
}

.product-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 15px;
}