:root {
    --bg-color: #fdfaf7;
    --container-bg: #ffffff;
    --text-color: #333333;
    --button-bg: #ff6b6b;
    --button-hover: #fa5252;
    --button-glow: rgba(255, 107, 107, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --card-shadow: rgba(0, 0, 0, 0.15);
    --texture-opacity: 0.05;

    --korean-color: #e64980;
    --japanese-color: #228be6;
    --chinese-color: #fab005;
    --western-color: #12b886;
    --flour-color: #be4bdb;
}

[data-theme='dark'] {
    --bg-color: #1a1b1e;
    --container-bg: #25262b;
    --text-color: #ced4da;
    --button-bg: #e03131;
    --button-hover: #f03e3e;
    --button-glow: rgba(224, 49, 49, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --card-shadow: rgba(0, 0, 0, 0.5);
    --texture-opacity: 0.15;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23000000" fill-opacity="var(--texture-opacity)"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4v-4H4v4H0v2h4v4h2v-4h4v-2H6zm30 0v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 40px 0;
    transition: background-color 0.3s, color 0.3s;
}

#app {
    text-align: center;
    background-color: var(--container-bg);
    padding: 50px 40px;
    border-radius: 24px;
    box-shadow: 0 20px 50px var(--shadow-color);
    transition: background-color 0.3s, box-shadow 0.3s;
    position: relative;
    max-width: 500px;
    width: 90%;
}

.top-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    align-items: center;
}

#lang-toggle {
    background: none;
    border: 2px solid var(--text-color);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 8px;
    color: var(--text-color);
    transition: background-color 0.2s, color 0.2s;
}

#lang-toggle:hover {
    background-color: var(--text-color);
    color: var(--container-bg);
}

#theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 12px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

h1 {
    font-size: 2em;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

#menu-display {
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
    border: 2px dashed #ced4da;
    border-radius: 16px;
    padding: 20px;
    transition: border-color 0.3s;
}

[data-theme='dark'] #menu-display {
    border-color: #495057;
}

#placeholder-text {
    color: #868e96;
    font-size: 1.1em;
}

.menu-card {
    background-color: var(--container-bg);
    border: 3px solid var(--card-color);
    border-radius: 20px;
    box-shadow: 0 10px 20px var(--card-shadow);
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    width: 100%;
}

.menu-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.menu-info {
    padding: 20px;
    background-color: var(--card-color);
    color: white;
}

.menu-name {
    font-size: 2.2em;
    font-weight: 800;
    margin-bottom: 5px;
}

.menu-category {
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
}

@keyframes popIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

#recommend-btn {
    padding: 16px 40px;
    font-size: 1.2em;
    font-weight: 700;
    color: white;
    background-color: var(--button-bg);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px var(--button-glow);
    width: 100%;
}

#recommend-btn:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--button-glow);
}

#recommend-btn:active {
    transform: translateY(0);
}

.section-divider {
    margin: 40px 0;
    border: none;
    border-top: 2px solid var(--bg-color);
}

#partnership-section {
    text-align: left;
    margin-top: 20px;
}

#partnership-section h2 {
    font-size: 1.5em;
    color: var(--text-color);
    margin-bottom: 20px;
}

#inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.9em;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input, .form-group textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ced4da;
    background-color: var(--container-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1em;
    transition: border-color 0.2s, box-shadow 0.2s;
}

[data-theme='dark'] .form-group input, [data-theme='dark'] .form-group textarea {
    border-color: #495057;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--button-bg);
    box-shadow: 0 0 0 3px var(--button-glow);
}

#submit-btn {
    padding: 12px;
    font-size: 1em;
    font-weight: 700;
    color: white;
    background-color: var(--text-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s;
}

#submit-btn:hover {
    opacity: 0.8;
}

/* Disqus Section */
#disqus-section {
    text-align: left;
    margin-top: 20px;
}

#disqus-section h2 {
    font-size: 1.5em;
    color: var(--text-color);
    margin-bottom: 20px;
}

#disqus_thread {
    min-height: 100px;
}

@media (max-width: 600px) {
    #app { padding: 40px 20px; }
    h1 { font-size: 1.8em; }
    .menu-name { font-size: 1.8em; }
}