.pr-container {
    display:flex;
    justify-content:space-between;
    align-items:stretch;
    gap:20px;
    flex-wrap:nowrap;
}
.pr-left {
    flex:1;
    margin-right:40px;
    min-width:260px;
    display:flex;
    flex-direction:column;
}
.pr-right {
    width:45%;
    min-width:260px;
    align-self:flex-start;
    border:1px solid #ccc;
    border-radius:4px;
    padding:8px;
    background:#f9f9f9;
    margin-top: 0px;
}
.pr-row {
    margin-bottom:4px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.pr-row-main {
    flex:1;
}
.pr-row-btn {
    margin-left:10px;
}

/* FLOW */

.pr-node {
    display:inline-block;
    padding:6px 12px;
    border:1px solid #888;
    background:#111;
    color:#eee;
    border-radius:4px;
    cursor:pointer;
    font-size:12px;
}
.pr-node-raw  { border-color:#0af; }
.pr-node-op   { border-color:#fa0; }
.pr-node-fg   { border-color:#0f0; }

.pr-arrow {
    padding:0 6px;
    color:#ddd;
}

/* layout jak na mockupie: RAW → FORMING, a pod tym kolumna TRIM+FG */
.pr-flow-topline {
    margin-bottom:4px;
}
.pr-flow-branch {
    margin-left:80px;   /* odsuniecie kolumny z TRIM/FG od tekstu */
}
.pr-flow-branch-row {
    margin-top:3px;
}
.flow-fg-container {
    display:flex;
    flex-direction:column;
    margin-left:120px;
    margin-top:auto;
}

.flow-arrow-down {
    display: inline-block;
    color: #6cb6ff;
    font-weight: bold;
    margin-right: 6px;
    transform: rotate(28deg); /* efekt ↘ */
    font-size: 18px;
    margin-left: -25px;  /* cofa strzałkę bliżej pionowej linii */
}

.pr-add-rule-table{width:100%;max-width:100%;table-layout:fixed;}


/* Title row for flow - pinned to bottom */
.pr-flow-container-title {
    margin-top:auto;
}


/* Whole flow block (title + options + diagram) pinned to bottom of left column */
.pr-flow-block {
    margin-top:auto;
}

.pr-node-comment { display:none; font-style:italic; font-size:11px; margin-left:3px; }

.pr-preview-box{margin:12px 0;padding:12px;border:1px solid #ddd;border-radius:6px;background:#fafafa;}
.pr-preview-title{font-weight:bold;margin-bottom:6px;}

.pr-preview-warn{margin-top:6px;padding:6px 8px;border-left:3px solid #f0ad4e;background:#fff7e6;}


/* BOM Preview modal */
.pr-modal-overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.45);
    z-index:9999;

    display:none;                 /* hidden by default */
    align-items:center;           /* center vertically */
    justify-content:center;       /* center horizontally */
    padding:0;
}
.pr-modal-overlay.open{
    display:flex;                 /* show + flex centering */
}

.pr-modal{background:#222;color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:8px;max-width:720px;width:92%;box-shadow:0 10px 30px rgba(0,0,0,.6);}
.pr-modal-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.12);}
.pr-modal-title{font-weight:bold;}
.pr-modal-close{background:transparent;border:0;color:#fff;font-size:22px;line-height:22px;cursor:pointer;}
.pr-modal-body{padding:12px;max-height:70vh;overflow:auto;}
.pr-modal-footer{padding:10px 12px;border-top:1px solid rgba(255,255,255,.12);text-align:right;}