:root {
    --google-blue: #4285F4;
    --google-red: #EA4335;
    --google-yellow: #FBBC05;
    --google-green: #34A853;
    --bg-color: #ffffff;
    --text-color: #202124;
    --grey-text: #70757a;
    --card-shadow: 0 1px 6px rgba(32, 33, 36, 0.28);
    --border-color: #dfe1e5;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    display: flex;
    justify-content: center;
    padding-top: 5vh;
}

.main-wrapper {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.google-logo {
    font-size: 6rem;
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: -5px;
    font-family: 'Product Sans', 'Roboto', sans-serif;
}

.google-logo span.blue { color: var(--google-blue); }
.google-logo span.red { color: var(--google-red); }
.google-logo span.yellow { color: var(--google-yellow); }
.google-logo span.green { color: var(--google-green); }

.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timestamp {
    font-size: 0.85rem;
    color: var(--grey-text);
    margin-bottom: 2rem;
    height: 1.2rem;
}

.numbers-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.number-row {
    background: #fff;
    padding: 1rem 1.5rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: box-shadow 0.2s;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.number-row:hover {
    box-shadow: var(--card-shadow);
}

.row-index {
    font-weight: 500;
    color: var(--grey-text);
    width: 30px;
    text-align: center;
    font-size: 1rem;
}

.number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: #3c4043;
    border: 1px solid var(--border-color);
    transition: transform 0.2s;
}

.number:hover {
    transform: scale(1.1);
}

/* Google-colored borders for main numbers */
.number.c0 { border-color: var(--google-blue); color: var(--google-blue); }
.number.c1 { border-color: var(--google-red); color: var(--google-red); }
.number.c2 { border-color: var(--google-yellow); color: var(--google-yellow); }
.number.c3 { border-color: var(--google-green); color: var(--google-green); }

.bonus-divider {
    font-weight: bold;
    color: var(--border-color);
    font-size: 1.5rem;
    margin: 0 0.2rem;
}

.number.bonus {
    background-color: var(--google-yellow);
    border-color: var(--google-yellow);
    color: white;
    box-shadow: 0 2px 4px rgba(251, 188, 5, 0.4);
}

.button-group {
    display: flex;
    gap: 12px;
}

.primary-btn {
    background-color: #f8f9fa;
    border: 1px solid #f8f9fa;
    border-radius: 4px;
    color: #3c4043;
    font-family: 'Roboto', arial, sans-serif;
    font-size: 14px;
    margin: 11px 4px;
    padding: 0 16px;
    line-height: 27px;
    height: 36px;
    min-width: 54px;
    text-align: center;
    cursor: pointer;
    user-select: none;
}

.primary-btn:hover {
    box-shadow: 0 1px 1px rgba(0,0,0,0.1);
    background-image: -webkit-linear-gradient(top,#f8f9fa,#f1f3f4);
    background-color: #f8f9fa;
    border: 1px solid #dadce0;
    color: #202124;
}

@media (max-width: 600px) {
    .google-logo {
        font-size: 4rem;
    }
    .number {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    .number-row {
        gap: 0.5rem;
        padding: 0.8rem;
    }
}