:root { --fa-loop: #5b5fc7; }
:root[data-theme=dark] { --fa-loop: #a9acf2; }
/* Functional Analysis view + FFBD diagram */
.fa-page .fa-bar { margin-bottom: 10px; }
.fa-scope { width: auto; max-width: 340px; }
.fa-top { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.fa-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.fa-tab { border: 1px solid transparent; border-bottom: none; background: none; color: var(--text-2); padding: 7px 14px; border-radius: 6px 6px 0 0; font-size: 13px; cursor: pointer; margin-bottom: -1px; }
.fa-tab:hover { color: var(--text); background: var(--panel-2); }
.fa-tab.active { background: var(--panel); border-color: var(--line); color: var(--accent); font-weight: 600; }
.fa-body { display: flex; flex-direction: column; gap: 14px; }
.fa-card { overflow: hidden; }
.fa-card .card-head { flex-wrap: wrap; }
.fa-card .card-head .grow { flex: 1; }
.fa-actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.fa-title { width: auto; min-width: 280px; flex: 0 1 460px; font-weight: 600; padding: 4px 8px; }
.fa-table-wrap { overflow-x: auto; }
.fa-table td:nth-child(3) { min-width: 240px; }
.fa-warn { color: var(--warn); }
.fa-okmsg { color: var(--ok); margin: 0; }
.fa-new { color: var(--ok); font-weight: 600; }
.fa-existing { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 6px 10px; margin: 0 0 8px; border: 1px solid var(--line); border-left: 3px solid var(--warn); border-radius: 4px; background: var(--panel-2); font-size: 12.5px; }
.fa-rename { display: flex; gap: 4px; align-items: center; margin-top: 2px; color: var(--text-2); }
.fa-list { margin: 0; padding-left: 18px; }
.fa-list li { margin: 3px 0; }
.fa-cov { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 14px; }

/* preview dialog */
.fa-preview .fa-prow, .fa-dsl-box .fa-prow { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.fa-prow .field { flex: 1 1 200px; margin: 0; }
.fa-pbtns { display: flex; gap: 6px; margin-left: auto; padding-bottom: 2px; }
.fa-ptable-wrap { max-height: 52vh; overflow: auto; margin: 10px 0 6px; border: 1px solid var(--line); border-radius: 4px; }
.fa-ptable td { vertical-align: middle; }
.fa-ptable td .input.small { padding: 3px 6px; font-size: 12px; }
.fa-ptable td:nth-child(3) { min-width: 180px; }
.fa-ptable td:nth-child(4) { min-width: 150px; }
.fa-rowbtns { white-space: nowrap; }
.fa-rowbtns .btn { padding: 2px 6px; }
.fa-pinfo { display: flex; flex-direction: column; gap: 2px; }

/* flow editor */
.fa-flowbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.fa-flowbar .sep { width: 1px; height: 20px; background: var(--line); }
.fa-flow { padding: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; overflow-x: auto; min-height: 60px; }
.fa-seq { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.fa-arrow { color: var(--muted); font-size: 14px; }
.fa-chip { background: var(--chip-bg); border: 1px solid var(--chip-line); color: var(--chip-text); border-radius: 6px; padding: 5px 9px; font-size: 12.5px; cursor: grab; user-select: none; white-space: nowrap; }
.fa-chip b { color: var(--text); }
.fa-chip:hover { border-color: var(--line-strong); }
.fa-chip.sel, .fa-grp.sel > .fa-ghead { outline: 2px solid var(--accent); outline-offset: 1px; background: var(--accent-2); }
.fa-grp { border: 1.5px solid var(--line-strong); border-radius: 8px; padding: 0 8px 8px; background: var(--panel); display: flex; flex-direction: column; gap: 6px; }
.fa-grp.fa-and { border-color: var(--ok); }
.fa-grp.fa-or { border-color: var(--warn); }
.fa-grp.fa-loop { border-color: var(--fa-loop); border-style: dashed; }
.fa-ghead { display: flex; align-items: center; gap: 6px; padding: 5px 4px 3px; cursor: pointer; border-radius: 6px 6px 0 0; flex-wrap: wrap; }
.fa-ghead .input.small { width: auto; padding: 2px 6px; font-size: 12px; }
.fa-ghead .input.small[data-ctl="fa-loop-return"] { width: 140px; }
.fa-gname { font-weight: 700; font-size: 11px; letter-spacing: .05em; color: var(--text-2); }
.fa-and > .fa-ghead .fa-gname { color: var(--ok); }
.fa-or > .fa-ghead .fa-gname { color: var(--warn); }
.fa-loop > .fa-ghead .fa-gname { color: var(--fa-loop); }
.fa-branch { display: flex; align-items: center; gap: 4px; padding: 4px 6px; border-left: 3px solid var(--line); background: var(--panel-2); border-radius: 0 4px 4px 0; }
.fa-drop-end { min-width: 14px; min-height: 24px; border-radius: 4px; font-size: 11px; color: var(--muted); display: flex; align-items: center; padding: 0 4px; }
.fa-dropping { box-shadow: inset 0 0 0 2px var(--accent); background: var(--accent-2); }
.fa-ffbd-host { height: 440px; display: flex; position: relative; }
.ffbd-endin { width: 170px; }

/* flow text dialog */
.fa-dsl { font-family: var(--mono); font-size: 12.5px; }
.fa-dsl-msg { min-height: 18px; margin: 4px 0; }
.fa-dsl-preview { height: 300px; display: flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; margin-top: 6px; }
.fa-rationale { background: var(--accent-2); border-radius: 4px; padding: 8px 10px; }

/* FFBD diagram */
.ffbd-tools { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ffbd-tools .input.small { width: auto; }
.ffbd-tools .ffbd-endin { width: 170px; }
.ffbd-canvas text { user-select: none; }
.ffbd-canvas .ffbd-block:hover rect { stroke: var(--dg-sel); }
.ffbd-canvas .ffbd-gate:hover circle { stroke: var(--dg-sel); }
.fa-side { display: flex; flex-direction: column; }
.fa-side-body { padding: 12px; }
.fa-ptable td select.input.small { width: auto; max-width: 170px; }
.fa-ptable td:nth-child(6) { white-space: nowrap; }