body{
    font-family:Arial,sans-serif;
    background:#f5f8fc;
    margin:0;
    padding:30px;
}

.container{
    max-width:700px;
    margin:auto;
    text-align:center;
}

input{
    width:100%;
    padding:12px;
    margin:20px 0;
    box-sizing:border-box;
}

.options{
    display:flex;
    justify-content:center;
    gap:20px;
    margin-bottom:20px;
}

.buttons{
    display:flex;
    justify-content:center;
    gap:10px;
}

button{
    padding:12px 20px;
    cursor:pointer;
}

.result{
    margin-top:30px;
    min-height:120px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:48px;
    font-weight:bold;
    border:1px solid #ddd;
    border-radius:12px;
    background:white;
}

.hidden{
    display:none;
}

#saveArea{
    margin-top:20px;
}

.public-board-link-wrap{
    margin:10px 0 0;
}

#publicBoardLink{
    font-size:14px;
    color:#1d4ed8;
    text-decoration:none;
}

.public-board-link{
    font-size:14px;
    color:#1d4ed8;
    text-decoration:none;
}

#publicBoardLink:hover{
    text-decoration:underline;
}

.public-board-link:hover{
    text-decoration:underline;
}

.save-status{
    margin-top:10px;
    min-height:20px;
    font-size:14px;
}

.save-status.success{
    color:#0a7a35;
}

.save-status.error{
    color:#b3261e;
}

.share-toast{
    position:fixed;
    left:50%;
    bottom:20px;
    transform:translateX(-50%);
    background:#1f2937;
    color:#fff;
    padding:10px 14px;
    border-radius:999px;
    font-size:14px;
    opacity:0;
    pointer-events:none;
    transition:opacity 0.2s ease;
}

.share-toast.show{
    opacity:1;
}

.board-item{
    border:1px solid #e5e7eb;
    border-radius:10px;
    padding:12px;
    margin-bottom:10px;
    background:#fff;
}

.board-answer,
.board-date{
    margin-top:6px;
}

.board-controls{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:10px;
    margin:16px 0;
}

.board-controls button[disabled]{
    opacity:0.5;
    cursor:not-allowed;
}