:root {
    --bg-color: #f2f2f2;
    --text-color: #333;
    --primary-color: #4CAF50;
    --number-bg: #fff;
    --number-color: #333;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #f2f2f2;
    --primary-color: #2E8B57;
    --number-bg: #2c2c2c;
    --number-color: #f2f2f2;
    --shadow-color: rgba(255, 255, 255, 0.1);
}

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

#app {
    width: 90%;
    max-width: 600px;
    background-color: var(--bg-color);
    border-radius: 15px;
    box-shadow: 0 10px 20px var(--shadow-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--primary-color);
    color: white;
}

header h1 {
    margin: 0;
    font-size: 1.5em;
}

main {
    padding: 30px 20px;
    text-align: center;
    flex-grow: 1;
}

#lotto-numbers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.number, .number-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8em;
    font-weight: bold;
    background-color: var(--number-bg);
    color: var(--number-color);
    box-shadow: 0 4px 8px var(--shadow-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.number-placeholder {
    background-color: var(--number-bg);
    opacity: 0.5;
}

.number {
    transform: scale(1.1);
    box-shadow: 0 8px 16px var(--shadow-color);
    animation: pop-in 0.5s ease;
}

@keyframes pop-in {
    0% { transform: scale(0); }
    60% { transform: scale(1.2); }
    100% { transform: scale(1.1); }
}

#generate-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

#generate-btn:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}

footer {
    padding: 15px;
    text-align: center;
    font-size: 0.9em;
    color: var(--text-color);
    opacity: 0.7;
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display:none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Partnership Inquiry Form Styles */
#partnership-inquiry {
    padding: 30px 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

#partnership-inquiry h2 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 25px;
    font-size: 1.8em;
}

#partnership-inquiry form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 400px;
    margin: 0 auto;
}

#partnership-inquiry label {
    font-size: 1em;
    margin-bottom: 5px;
    color: var(--text-color);
}

#partnership-inquiry input[type="text"],
#partnership-inquiry input[type="email"],
#partnership-inquiry textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1em;
    background-color: var(--number-bg);
    color: var(--number-color);
    transition: border-color 0.3s, box-shadow 0.3s;
}

#partnership-inquiry input[type="text"]:focus,
#partnership-inquiry input[type="email"]:focus,
#partnership-inquiry textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(var(--primary-color-rgb), 0.5);
    outline: none;
}

#partnership-inquiry textarea {
    resize: vertical;
    min-height: 100px;
}

#partnership-inquiry button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 1.1em;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    margin-top: 15px;
}

#partnership-inquiry button[type="submit"]:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}