@import url('https://rsms.me/inter/inter.css');

body {
    margin: 0;
    padding: 20px;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

#translations {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.translation-btn {
    padding: 8px 16px;
    border: 1px solid #ccc;
    background: white;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    outline: none;
}

.translation-btn:hover {
    background: #f0f0f0;
}

.translation-btn.active {
    background: #e0e0e0;
    border-color: #999;
}

#main {
    display: flex;
    gap: 20px;
}

#grid {
    display: grid;
    grid-template-columns: repeat(9, 40px);
    grid-template-rows: repeat(9, 40px);
    gap: 2px;
}

.cell {
    border: 1px solid #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: white;
    outline: none;
}

.cell:hover {
    background: #f0f0f0;
}

.cell.selected {
    background: #e0e0e0;
}

#viewer {
    flex: 1;
    padding: 20px;
    min-height: 300px;
}

#random {
    margin-top: 20px;
    padding: 10px;
    cursor: pointer;
    border: none;
    background: white;
    border-radius: 50%;
    transition: transform 0.1s ease, background-color 0.1s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: relative;
    font-family: 'Inter', sans-serif;
}

#random:active {
    transform: scale(0.95);
    background-color: #f0f0f0;
}

#random::after {
    content: "Random Chapter (Space or Enter)";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    margin-left: 8px;
    font-family: 'Inter', sans-serif;
}

#random::before {
    content: "";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    margin-left: 3px;
}

#random:hover::after,
#random:hover::before {
    opacity: 1;
    visibility: visible;
}