:root {
    --bg-color: #f8f9fa;
    --text-color: #212529;
    --card-bg: #ffffff;
    --title-color: #1a73e8;
    --btn-bg: #1a73e8;
    --btn-hover: #1557b0;
    --border-color: #dee2e6;
    --accent-color: #fbbc05;
    --hot-btn-bg: #ea4335;
    --hot-btn-hover: #c5221f;
    --mode-random-bg: #e8f0fe;
    --mode-hot-bg: #fce8e6;
}

body.dark-mode {
    --bg-color: #202124;
    --text-color: #e8eaed;
    --card-bg: #2d2e31;
    --title-color: #8ab4f8;
    --btn-bg: #8ab4f8;
    --btn-hover: #aecbfa;
    --border-color: #3c4043;
    --hot-btn-bg: #f28b82;
    --hot-btn-hover: #f6aea9;
    --mode-random-bg: #1a2733;
    --mode-hot-bg: #3c1e1e;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
    line-height: 1.6;
}

.header-controls {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-color);
}

#toggle-btn, #lang-toggle-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

#hero {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.latest-result-card {
    background-color: var(--bg-color);
    border: 2px solid var(--accent-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    display: inline-block;
    min-width: 320px;
}

.result-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1rem;
}

.result-header p {
    margin: 5px 0 15px 0;
    font-weight: bold;
    color: var(--title-color);
    font-size: 0.9rem;
}

.generator-box {
    margin-top: 20px;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.mode-header {
    padding: 15px;
    border-radius: 8px 8px 0 0;
    margin-bottom: 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
}

.mode-header.random { background-color: var(--mode-random-bg); }
.mode-header.hot { background-color: var(--mode-hot-bg); }

.mode-header h3 { margin: 0; font-size: 1.1rem; color: var(--title-color); }
.mode-header p { margin: 5px 0 0 0; font-size: 0.85rem; opacity: 0.8; }

.sets-grid {
    border: 1px solid var(--border-color);
    border-top: none;
    padding: 20px;
    border-radius: 0 0 8px 8px;
    background-color: var(--bg-color);
}

.set-wrapper {
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.set-wrapper:last-child { margin-bottom: 0; }

.set-label {
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--title-color);
}

h1 {
    font-size: 2.5rem;
    color: var(--title-color);
    margin: 0 0 10px 0;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 30px;
}

.lotto-balls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    min-height: 50px;
}

.lotto-balls.small .ball {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
}

.plus-sign {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.ball {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
    animation: bounceIn 0.5s ease;
}

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

#generate-btn, #generate-hot-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 18px 30px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

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

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

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

.prize-table-container {
    margin-top: 20px;
    overflow-x: auto;
}

.prize-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    background-color: var(--card-bg);
    border-radius: 8px;
}

.prize-table th, .prize-table td {
    padding: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.prize-table th {
    background-color: var(--title-color);
    color: white;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.info-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.info-card h2 {
    color: var(--title-color);
    font-size: 1.3rem;
    margin-top: 0;
}

.form-container {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.form-container h2 {
    text-align: center;
    color: var(--title-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
    box-sizing: border-box;
    font-family: inherit;
}

#submit-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--btn-bg);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
}

footer {
    text-align: center;
    padding: 40px;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    opacity: 0.7;
}

@media (max-width: 600px) {
    h1 { font-size: 2rem; }
    .header-controls { justify-content: center; position: relative; }
    #hero { padding: 20px 10px; }
}

#disqus_thread {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
}

.ad-placeholder {
    margin: 20px 0;
    text-align: center;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
}

.top-ad { margin-bottom: 30px; }
.mid-ad { margin: 40px 0; }
.bottom-ad { margin-top: 40px; }