:root {
    --bg-color: #f0f0f0;
    --container-bg: #ffffff;
    --text-color: #333333;
    --number-bg: #eeeeee;
    --btn-bg: #4CAF50;
    --btn-hover: #45a049;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body.dark-mode {
    --bg-color: #1a1a1a;
    --container-bg: #2d2d2d;
    --text-color: #f0f0f0;
    --number-bg: #404040;
    --btn-bg: #2e7d32;
    --btn-hover: #1b5e20;
    --shadow-color: rgba(0, 0, 0, 0.5);
}

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

.container {
    position: relative;
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--container-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-color);
    width: 90%;
    max-width: 450px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: rotate(20deg);
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin: 2.5rem 0;
}

.number {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background-color: var(--number-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    font-weight: bold;
    box-shadow: inset 0 2px 5px var(--shadow-color);
    transition: background-color 0.3s;
}

#generate-btn {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    background-color: var(--btn-bg);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s, transform 0.1s;
}

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

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

/* Partnership Form Styles */
.partnership-section {
    margin-top: 3rem;
    text-align: left;
}

hr {
    border: none;
    border-top: 1px solid var(--number-bg);
    margin-bottom: 2rem;
}

.partnership-section h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--number-bg);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--btn-bg);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

#submit-btn {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--btn-bg);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

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

#submit-btn:active {
    transform: scale(0.98);
}

/* Comments Section Styles */
.comments-section {
    margin-top: 3rem;
}