/* ── Kutup Flow Maker — plain language → flowchart (v4) ── */

/* Input */
.flow-input-wrap { position: relative; }
#flow-input {
  width: 100%;
  min-height: 150px;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  color: var(--text-1);
  padding: 1rem 1.1rem;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  line-height: 1.65;
  resize: vertical;
  transition: border-color 160ms ease, background 160ms ease;
}
#flow-input:focus { outline: 2px solid var(--accent-ice); outline-offset: 1px; border-color: transparent; background: var(--bg-well); }
#flow-input::placeholder { color: var(--text-3); }
.flow-hint { font-size: 0.8rem; color: var(--text-3); margin-top: 0.5rem; line-height: 1.6; }
.flow-hint code {
  font-family: var(--font-mono); font-size: 0.78em;
  background: var(--bg-well); border: 1px solid var(--line-soft);
  border-radius: 4px; padding: 0.08em 0.35em; color: var(--accent-ice);
}
.generate-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin-top: 0.9rem; }
.generate-row .btn { min-height: 44px; }

/* Flowchart canvas — framed instrument panel */
.flow-canvas {
  margin-top: 1.75rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--bg-raised);
  overflow: hidden;
}
.flow-canvas > h2 {
  font-size: 0.82rem;
  margin: 0;
  padding: 0.7rem 1.1rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
}
#flow-canvas {
  padding: 1rem;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    var(--bg-deep);
  background-size: 24px 24px, 24px 24px, auto;
}
.flow-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 72vh;
  overflow: visible;
  background: transparent;
}
.fm-node { fill: var(--bg-well); stroke: var(--accent); stroke-width: 1.5; }
.fm-start, .fm-end { fill: rgba(112,150,195,0.13); stroke: var(--accent); }
.fm-decision { fill: rgba(112,150,195,0.09); stroke: var(--accent-ice); }
.fm-label {
  fill: var(--text-1);
  font: 500 13px/1.35 'IBM Plex Sans', system-ui, sans-serif;
  pointer-events: none;
}
.fm-edge { fill: none; stroke: var(--text-3); stroke-width: 1.5; }
.fm-edge-back { stroke: var(--accent-ice); stroke-dasharray: 5 4; }
.fm-edge-label { fill: var(--text-3); font: 500 10px 'Martian Mono', ui-monospace, monospace; }
.fm-arrow-head { fill: var(--text-3); }

/* Empty / error state */
.flow-empty {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  background: var(--bg-deep);
  padding: 2.2rem 1.5rem;
  text-align: center;
  color: var(--text-3);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Node editor */
.editor-panel { margin-top: 1.5rem; }
.editor-panel > h2 { font-size: 1.05rem; margin-bottom: 0.7rem; }
.editor-list { display: grid; gap: 0.5rem; }
.editor-row {
  display: grid;
  grid-template-columns: 2.6rem minmax(130px, 0.7fr) minmax(160px, 1.6fr) 2.6rem;
  gap: 0.6rem;
  align-items: center;
  background: var(--bg-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: 0.4rem 0.7rem;
}
.editor-row .ed-num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); text-align: center; }
.editor-row select, .editor-row input[type="text"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  color: var(--text-1);
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  min-height: 40px;
}
.editor-row select:focus, .editor-row input[type="text"]:focus {
  outline: 2px solid var(--accent-ice); outline-offset: 1px; border-color: transparent;
}
@media (max-width: 640px) {
  .editor-row { grid-template-columns: 2rem 1fr 2.6rem; }
  .editor-row .ed-type { grid-column: 2 / 3; }
  .editor-row .ed-label { grid-column: 2 / 4; grid-row: 2; }
}

/* Export */
.export-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.export-row .btn { min-height: 44px; }
@media (max-width: 640px) {
  .export-row { flex-direction: column; }
  .export-row .btn { width: 100%; white-space: normal; }
}

/* Legend — live status rows */
.flow-legend {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin: 0;
  padding: 0.75rem 1.1rem;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-raised);
  font-size: 0.78rem; color: var(--text-3);
}
.flow-legend .lg-item { display: inline-flex; align-items: center; gap: 0.45rem; }
.flow-legend .lg-shape { width: 22px; height: 14px; border-radius: 3px; }
.lg-process { background: var(--bg-well); border: 1.5px solid var(--accent); }
.lg-decision { background: rgba(112,150,195,0.09); border: 1.5px solid var(--accent-ice); transform: rotate(45deg); width: 14px; height: 14px; }
.lg-start { background: rgba(112,150,195,0.13); border: 1.5px solid var(--accent); border-radius: 8px; }

/* ── Kernel toolbar / analysis / zoom ── */
.flow-toolbar-row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.7rem 1.1rem 0; }
.zoom-controls { display: inline-flex; gap: 0.25rem; }
.zoom-controls .icon-btn { width: 34px; height: 34px; font-size: 1rem; line-height: 1; border: 1px solid var(--line-strong); border-radius: var(--r-sm); background: var(--bg-raised); color: var(--text-2); cursor: pointer; }
.zoom-controls .icon-btn:hover { color: var(--text-1); border-color: var(--accent-border); }
.kernel-chip { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--text-3); border: 1px solid var(--line-soft); border-radius: var(--r-sm); padding: 0.22rem 0.6rem; }
.kernel-chip.kernel-on { color: var(--accent-ice); border-color: var(--accent-border); background: var(--accent-soft); }
.flow-svg-wrap { transition: transform 160ms ease; }
.flow-analysis {
  margin: 0.7rem 1.1rem 1rem;
  border: 1px solid var(--line-soft); border-radius: var(--r-md);
  background: var(--bg-raised); padding: 0.6rem 0.8rem; display: grid; gap: 0.45rem;
}
.analysis-row { display: flex; flex-wrap: wrap; gap: 0.4rem 1.1rem; }
.an-item { display: inline-flex; align-items: baseline; gap: 0.4rem; }
.an-k { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.an-v { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-1); }
.analysis-warn { font-size: 0.75rem; color: #e8a1a0; }
.lg-parallel { border-radius: 3px; background: rgba(112,150,195,0.25); }
.fm-parallel { fill: rgba(112,150,195,0.10); stroke: #7096c3; stroke-dasharray: 4 3; }
.fm-join { fill: rgba(112,150,195,0.07); stroke: #7096c3; stroke-dasharray: 4 3; }
.analysis-ml { font-size: 0.75rem; color: var(--accent-ice); }