.modal {
    display: none;
    position: fixed;
    z-index: 1000;

    left: 0;
    top: 0;
    width: 100%;
    height: 100%;

    background-color: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(3px);

    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.modal-content {
    background-color: #ffffff;
    padding: clamp(1.125rem, 4vw, 1.75rem);
    width: min(100%, 43.75rem);
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;

    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
}

.modal-content h2 {
    margin: 0 2.5rem 1rem 0;
    color: #172033;
    font-size: clamp(1.35rem, 3vw, 1.8rem);
    line-height: 1.2;
}

.close {
    float: right;
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #475569;
    font-size: 1.125rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.close:hover {
    background: #e2e8f0;
    color: #0f172a;
}

#commentsContainer {
    max-height: min(18rem, 40dvh);
    overflow-y: auto;
    margin-bottom: 1rem;
    padding-right: 0.25rem;
}

#commentsContainer:empty::before,
.empty-comments {
    display: block;
    padding: 1.25rem;
    color: #64748b;
    text-align: center;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 0.5rem;
    font-size: 0.95rem;
}

#commentsContainer:empty::before {
    content: "No comments yet. Start the conversation.";
}

.comment-input-area {
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

#commentInput {
    width: 100%;
    min-height: 6rem;
    margin-bottom: 0.75rem;
    padding: 0.85rem 0.95rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
    resize: vertical;
    outline: none;
    color: #172033;
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#commentInput:focus{
    border-color:#2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
}



/* comment card */

.comment {
    padding: 0.875rem 1rem;
    margin-bottom: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    background: #fbfdff;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

/* top row */

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.375rem;
    flex-wrap: wrap;
}

/* username */

.comment-user {
    font-weight: 600;
    color: #172033;
}

/* date */

.comment-date {
    font-size: 0.78rem;
    color: #64748b;
}

/* comment text */

.comment-text {
    font-size: 0.95rem;
    line-height: 1.55;
    color: #334155;
    overflow-wrap: anywhere;
}



/* button */

.commentButton{
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background:#eef4ff;
    border:1px solid #bfdbfe;
    border-radius:999px;
    padding:0.45rem 0.75rem;
    margin-top:0.65rem;

    color:#1d4ed8;
    font-size:0.92rem;
    font-weight:600;

    cursor:pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.commentButton:hover{
    background:#dbeafe;
    border-color:#93c5fd;
    transform: translateY(-1px);
}

.comment-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.65rem;
    padding: 0 1.15rem;
    border: 0;
    border-radius: 0.5rem;
    background: #2563eb;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.comment-btn:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

@media (max-width: 38rem) {
    .modal {
        align-items: flex-end;
        padding: 0;
    }

    .modal-content {
        width: 100%;
        max-height: 88dvh;
        border-radius: 0.5rem 0.5rem 0 0;
    }

    #commentsContainer {
        max-height: 35dvh;
    }
}