:root {
    --bg-gradient-start: #f0f0f0;
    --bg-gradient-end: #dcdcdc;
    --text-color: #333;
    --machine-bg: rgba(255, 255, 255, 0.9);
    --machine-shadow: 0 10px 30px rgba(0,0,0,0.1);
    --number-bg: #eee;
    --number-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

[data-theme="dark"] {
    --bg-gradient-start: #6a11cb;
    --bg-gradient-end: #2575fc;
    --text-color: white;
    --machine-bg: rgba(0, 0, 0, 0.7);
    --machine-shadow: 0 10px 30px rgba(0,0,0,0.5);
    --number-bg: #333;
    --number-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

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

.theme-switcher {
    position: absolute;
    top: 20px;
    right: 140px; /* Adjusted to make space for the contact link */
    padding: 8px 12px;
    border-radius: 20px;
    border: 1px solid var(--text-color);
    background-color: transparent;
    color: var(--text-color);
    cursor: pointer;
    text-decoration: none; /* For the link */
}

.contact-link {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 12px;
    border-radius: 20px;
    border: 1px solid var(--text-color);
    background-color: transparent;
    color: var(--text-color);
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2; /* Align text vertically */
}

.lotto-machine {
    background: var(--machine-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--machine-shadow);
    text-align: center;
}

h1 {
    margin-bottom: 30px;
    font-size: 2.5em;
}

.number-display {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.number {
    width: 60px;
    height: 60px;
    background: var(--number-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    font-weight: bold;
    animation: fadeIn 0.5s ease-in-out;
    box-shadow: var(--number-shadow);
    color: #333; /* Default text color for numbers, will be overridden by specific color classes */
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

#generate {
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    background-color: #ff4081;
    color: white;
    font-size: 1.2em;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 15px rgba(255, 64, 129, 0.5);

}

#generate:hover {
    background-color: #f50057;
    transform: translateY(-2px);
}

/* Number Colors - text color is now explicitly set for contrast */
.color-1 { background-color: #fbc400; color: #333; }
.color-2 { background-color: #69c8f2; color: #333; }
.color-3 { background-color: #ff7272; color: #333; }
.color-4 { background-color: #aaa; color: #333; }
.color-5 { background-color: #b0d840; color: #333; }