/* ── Kutup tool apps (Flow Maker / Forge) — extends Polar Steel v4 ── */

.tool-shell { max-width: 56rem; }

.tool-header { margin-bottom: 2rem; }
.tool-header .lede { max-width: 56ch; }

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-soft);
}
.toolbar-left { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.lang-toggle { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--r-md); overflow: hidden; }
.lang-toggle button {
  padding: 0.45rem 0.75rem;
  background: transparent; border: none; cursor: pointer;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  color: var(--text-3); min-height: 36px;
}
.lang-toggle button.active { background: var(--accent-fill); color: var(--accent-ink); font-weight: 600; }

/* App meta fields */
.field-group { margin-bottom: 1rem; }
.field-group label { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 0.4rem; }
.field-group input[type="text"],
.field-group input[type="number"],
.field-group textarea,
.field-group select {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  color: var(--text-1);
  padding: 0.65rem 0.8rem;
  font-size: 0.925rem;
  font-family: var(--font-sans);
  line-height: 1.5;
}
.field-group input:focus, .field-group textarea:focus, .field-group select:focus {
  outline: 2px solid var(--accent-ice); outline-offset: 1px; border-color: transparent;
}
.field-group textarea { resize: vertical; min-height: 60px; }
.field-group .hint { font-size: 0.78rem; color: var(--text-3); margin-top: 0.3rem; }
.field-group .error { font-size: 0.78rem; color: var(--accent-ice); margin-top: 0.3rem; }

/* Step cards */
.step-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--bg-raised);
  padding: 1.1rem 1.25rem;
  margin-bottom: 0.85rem;
}
.step-card-head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.85rem; }
.step-num-badge {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600;
  color: var(--accent-ice);
  background: rgba(112,150,195,0.1);
  border: 1px solid rgba(112,150,195,0.25);
  border-radius: var(--r-sm);
  padding: 0.25rem 0.6rem;
  flex-shrink: 0;
}
.step-card-head .step-title-input { flex: 1; }
.step-actions { display: flex; gap: 0.25rem; flex-shrink: 0; }
.icon-btn {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid transparent; border-radius: var(--r-sm);
  color: var(--text-3); cursor: pointer; transition: all 140ms ease;
}
.icon-btn:hover:not(:disabled) { background: var(--bg-hover); color: var(--text-1); border-color: var(--line-strong); }
.icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.icon-btn.danger:hover:not(:disabled) { color: #e8a1a0; border-color: rgba(217,119,117,0.4); background: rgba(217,119,117,0.08); }

.step-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem 1rem; }
@media (max-width: 640px) { .step-grid { grid-template-columns: 1fr; } }

/* Add / export */
.add-row { margin: 1.1rem 0 1.75rem; }
.add-btn {
  width: 100%;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1rem;
  background: transparent; border: 1px dashed var(--line-strong); border-radius: var(--r-md);
  color: var(--text-2); font-weight: 500; font-size: 0.9rem; cursor: pointer;
  transition: all 150ms ease; min-height: 48px;
}
.add-btn:hover { border-color: var(--accent); color: var(--accent-ice); background: rgba(112,150,195,0.05); }

.export-panel {
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  background: var(--bg-raised); padding: 1.25rem 1.4rem;
}
.export-panel h2 { font-size: 1.05rem; margin-bottom: 0.9rem; }
.export-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.export-actions .btn { min-height: 44px; }

.output-area {
  margin-top: 1rem;
  background: var(--bg-deep);
  border: 1px solid var(--line-soft); border-radius: var(--r-md);
  padding: 0.9rem 1rem;
  font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.6;
  color: var(--text-2); white-space: pre-wrap; word-break: break-word;
  max-height: 320px; overflow-y: auto;
}

.toast {
  position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
  background: var(--bg-well); border: 1px solid var(--line-strong); border-radius: var(--r-md);
  color: var(--text-1); font-size: 0.85rem; padding: 0.65rem 1.1rem;
  z-index: 200; box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  opacity: 0; pointer-events: none; transition: opacity 180ms ease;
}
.toast.show { opacity: 1; }

/* Forge preview */
.preview-pane {
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  background: var(--bg-raised); padding: 1.25rem 1.4rem; margin-bottom: 1.5rem;
}
.preview-pane h2 { font-size: 1.05rem; margin-bottom: 0.9rem; }
.preview-form { display: grid; gap: 0.9rem; }
.preview-form .pf-row { display: grid; gap: 0.3rem; }
.preview-form .pf-label { font-size: 0.85rem; font-weight: 500; color: var(--text-1); }
.preview-form .pf-label .req { color: var(--accent-ice); }
.preview-form .pf-input {
  background: var(--bg); border: 1px solid var(--line-strong); border-radius: var(--r-md);
  color: var(--text-1); padding: 0.55rem 0.75rem; font-size: 0.9rem; font-family: var(--font-sans);
  min-height: 42px;
}
.preview-form .pf-input:focus { outline: 2px solid var(--accent-ice); outline-offset: 1px; }
.preview-form .pf-check { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--text-2); min-height: 42px; }
.preview-form .pf-check input { width: 18px; height: 18px; accent-color: var(--accent-fill); }

.field-card { border: 1px solid var(--line-soft); border-radius: var(--r-lg); background: var(--bg-raised); padding: 1rem 1.15rem; margin-bottom: 0.85rem; }
.field-card-head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.field-card-head .f-label-input { flex: 1; }
.field-settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.65rem 0.9rem; }

/* Range display */
.range-val { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-ice); }

/* Empty states */
.empty-state { text-align: center; padding: 2rem 1rem; color: var(--text-3); font-size: 0.9rem; }

/* ── Forge: templates, suggest chip, sections ── */
.templates-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-bottom: 1.1rem; }
.templates-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-right: 0.3rem; }
.template-btn {
  font-size: 0.78rem; color: var(--text-2);
  background: var(--bg-raised); border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  padding: 0.4rem 0.7rem; cursor: pointer; transition: all 140ms ease;
}
.template-btn:hover { color: var(--text-1); border-color: var(--accent-border); background: var(--bg-hover); }
.suggest-chip {
  font-size: 0.72rem; color: var(--accent-ice);
  background: var(--accent-soft); border: 1px solid var(--accent-border); border-radius: var(--r-sm);
  padding: 0.3rem 0.6rem; cursor: pointer; white-space: nowrap; flex-shrink: 0;
}
.suggest-chip:hover { background: rgba(112,150,195,0.18); }
.field-hint { font-size: 0.75rem; color: var(--text-3); margin: 0.2rem 0 0; }
.pf-section { font-size: 0.92rem; color: var(--accent-ice); border-top: 1px solid var(--line-soft); padding-top: 0.8rem; margin: 0.9rem 0 0.3rem; letter-spacing: 0.02em; }
.pf-section:first-child { border-top: none; margin-top: 0.4rem; padding-top: 0; }

/* ── Forge v2: Data dashboard generator (additive, Forge only) ── */

/* data input tabs */
.tabs-nav { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.9rem; }
.tab-btn {
  font-size: 0.82rem; font-weight: 600; cursor: pointer;
  padding: 0.45rem 0.95rem; border-radius: 6px;
  border: 1px solid var(--line-strong); background: transparent; color: var(--text-2);
  font-family: inherit; transition: all 130ms ease;
}
.tab-btn:hover { border-color: var(--accent-border); color: var(--text-1); }
.tab-btn.active { background: var(--accent-fill); color: var(--accent-ink); border-color: var(--accent-fill); font-weight: 600; }

.paste-area {
  width: 100%; min-height: 190px; resize: vertical;
  background: var(--bg-deep); color: var(--text-1);
  border: 1px solid var(--line-strong); border-radius: var(--r-md);
  padding: 0.8rem 0.9rem; font-family: var(--font-mono); font-size: 0.8rem;
  line-height: 1.5;
}
.paste-area:focus { outline: 2px solid var(--accent-ice); outline-offset: 1px; }

.upload-zone {
  border: 1px dashed var(--line-strong); border-radius: var(--r-lg);
  padding: 2.2rem 1.25rem; text-align: center; background: var(--bg-raised);
}
.upload-zone .up-msg { font-size: 0.9rem; color: var(--text-2); margin-bottom: 0.9rem; }
.upload-zone .up-hint { font-size: 0.75rem; color: var(--text-3); margin-top: 0.6rem; }
.upload-zone input[type="file"] { display: none; }

.samples-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0.7rem; }
.sample-btn {
  text-align: left; cursor: pointer; font-family: inherit;
  background: var(--bg-raised); border: 1px solid var(--line-soft);
  border-radius: var(--r-lg); padding: 0.85rem 1rem; transition: all 130ms ease;
}
.sample-btn:hover { border-color: var(--accent-border); background: var(--bg-hover); }
.sample-btn .s-name { font-size: 0.9rem; font-weight: 600; color: var(--text-1); }
.sample-btn .s-desc { font-size: 0.78rem; color: var(--text-3); margin-top: 0.25rem; line-height: 1.45; }

/* parse status */
.data-status { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin: 0.9rem 0 0.2rem; }
.status-chip {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--accent-ice); background: rgba(112,150,195,0.09);
  border: 1px solid rgba(112,150,195,0.28); border-radius: 4px;
  padding: 0.22rem 0.55rem; letter-spacing: 0.03em;
}
.status-chip.ok { color: #7fc8a9; border-color: rgba(127,200,169,0.35); background: rgba(127,200,169,0.07); }
.status-chip.err { color: #e8a1a0; border-color: rgba(217,119,117,0.4); background: rgba(217,119,117,0.08); }
.status-note { font-size: 0.78rem; color: var(--text-3); }

/* columns & type table */
.type-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--r-md); background: var(--bg-raised); }
.type-table { border-collapse: collapse; width: 100%; font-size: 0.84rem; }
.type-table th, .type-table td { padding: 0.5rem 0.8rem; text-align: left; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.type-table th {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-3); font-weight: 500;
  background: var(--bg-well);
}
.type-table td.col-name { font-family: var(--font-mono); color: var(--text-1); }
.type-table td.col-sample { color: var(--text-3); font-size: 0.78rem; font-family: var(--font-mono); max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
.type-select {
  background: var(--bg-deep); color: var(--text-1);
  border: 1px solid var(--line-strong); border-radius: 6px;
  padding: 0.3rem 0.5rem; font-size: 0.8rem; font-family: var(--font-mono);
}
.type-select.overridden { border-color: rgba(216,166,87,0.55); color: #d8a657; }

/* config */
.config-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .config-grid { grid-template-columns: 1fr; } }

/* preview iframe */
.preview-frame {
  width: 100%; height: 620px; border: 1px solid var(--line-soft);
  border-radius: var(--r-lg); background: #0a0f16;
}
@media (max-width: 700px) { .preview-frame { height: 480px; } }

/* section headings inside tool flow */
.tool-section { margin-bottom: 2rem; }
.tool-section > h2 {
  font-size: 1.05rem; margin: 0 0 0.8rem;
  display: flex; align-items: baseline; gap: 0.55rem;
}
.tool-section > h2 .sec-num {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-ice);
  letter-spacing: 0.08em;
}
.tool-section .sec-helper { font-size: 0.8rem; color: var(--text-3); margin: -0.4rem 0 0.9rem; }

/* ── v4: progress rail through the tool sections ── */
.tool-rail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--bg-raised);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  overflow-x: auto;
  white-space: nowrap;
}
.tool-rail .rail-node { display: inline-flex; align-items: center; gap: 0.4rem; }
.tool-rail .rail-node::after { content: "→"; color: var(--text-3); margin-left: 0.5rem; }
.tool-rail .rail-node:last-child::after { content: ""; }
.tool-rail .rail-node.done { color: var(--text-2); }
.tool-rail .rail-node.current { color: var(--accent-ice); }