:root {
    --bg-color: #f0f2f5;
    --container-bg: #fff;
    --text-color: #333;
    --btn-bg: #007bff;
    --btn-hover: #0056b3;
    --menu-bg: #4CAF50;
    --menu-text: white;
}

body.dark-mode {
    --bg-color: #1a1a1a;
    --container-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --btn-bg: #3700b3;
    --btn-hover: #6200ee;
    --menu-bg: #03dac6;
    --menu-text: #000;
}

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

.container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
    width: 90%;
    max-width: 500px;
    margin: 20px;
}

h1 {
    color: var(--text-color);
    margin-bottom: 30px;
}

.menu-display {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 10px;
    color: var(--text-color);
}

#image-container {
    margin-bottom: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
}

#image-container.hidden {
    display: none;
}

#menu-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.numbers-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.menu-tag {
    padding: 8px 15px;
    border-radius: 20px;
    background-color: var(--menu-bg);
    color: var(--menu-text);
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
}

#generate-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#generate-btn:hover {
    background-color: var(--btn-hover);
}

.divider {
    border: none;
    border-top: 1px solid var(--text-color);
    opacity: 0.2;
    margin: 40px 0 30px;
}

.contact-form {
    text-align: left;
}

.contact-form h3 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    box-sizing: border-box;
}

.dark-mode .form-group input, 
.dark-mode .form-group textarea {
    border: 1px solid rgba(255,255,255,0.1);
}

.form-group textarea {
    height: 100px;
    resize: none;
}

.submit-btn {
    width: 100%;
    background-color: var(--text-color);
    color: var(--container-bg);
    border: none;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

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

.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}

#theme-btn {
    background: none;
    border: 2px solid var(--text-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

#theme-btn:hover {
    background-color: var(--text-color);
    color: var(--container-bg);
}