:root {
    --bg-color: #f0f2f5;
    --text-color: #333;
    --panel-bg: #ffffff;
    --button-bg: #007bff;
    --button-hover: #0056b3;
    --number-bg: #eee;
    --shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    --toggle-bg: #ffffff;
    --toggle-text: #333;
    --toggle-border: #d0d7e2;
    --input-bg: #ffffff;
    --input-border: #d0d7e2;
}

html[data-theme='dark'] {
    --bg-color: #10131a;
    --text-color: #f1f5f9;
    --panel-bg: #1b2230;
    --button-bg: #2a7fff;
    --button-hover: #5197ff;
    --number-bg: #2b3447;
    --shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
    --toggle-bg: #1b2230;
    --toggle-text: #f1f5f9;
    --toggle-border: #3a4760;
    --input-bg: #111827;
    --input-border: #334155;
}

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 40px 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.floating-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.theme-toggle,
.scroll-control {
    padding: 10px 14px;
    font-size: 14px;
    color: var(--toggle-text);
    background: var(--toggle-bg);
    border: 1px solid var(--toggle-border);
    border-radius: 10px;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.container {
    text-align: center;
    background: var(--panel-bg);
    padding: 40px;
    width: min(92vw, 760px);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease;
}

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

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--number-bg);
    font-size: 24px;
    font-weight: bold;
    color: var(--text-color);
    transition: all 0.3s ease;
}

#generate {
    padding: 15px 30px;
    font-size: 18px;
    color: white;
    background-color: var(--button-bg);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.inquiry-section {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--toggle-border);
}

.inquiry-section h2 {
    margin: 0 0 16px;
    color: var(--text-color);
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
}

.inquiry-form label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
}

.inquiry-form input,
.inquiry-form textarea {
    padding: 10px 12px;
    font-size: 15px;
    color: var(--text-color);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
}

.inquiry-form button {
    margin-top: 6px;
    padding: 12px 16px;
    font-size: 16px;
    color: white;
    background-color: var(--button-bg);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.inquiry-form button:hover {
    background-color: var(--button-hover);
}

#inquiry-status {
    min-height: 20px;
    margin: 2px 0 0;
    font-size: 14px;
}

.comments-section {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--toggle-border);
    text-align: left;
}

.comments-section h2 {
    margin: 0 0 16px;
    color: var(--text-color);
}

@media (max-width: 768px) {
    body {
        padding: 88px 0 24px;
    }

    .container {
        padding: 28px 18px;
    }

    .floating-controls {
        top: 12px;
        right: 12px;
    }

    .theme-toggle,
    .scroll-control {
        font-size: 13px;
        padding: 8px 12px;
    }
}