/* engine.css — the shared "media engine" panel chrome for the E4b mockup.
   Shows the SEAM: the gua-* engine panel (from src/components/media/) hosted
   inside the studio's shadcn/Tailwind-semantic chrome (shell.css). Accent =
   social #7c3aed (matches /social-e3c-generate/). gua-* vars defined locally
   so the panel renders true even though shell.css uses --acc/--ink. */
:root {
  --gua-primary: #7c3aed;
  --gua-primary-soft: #ede9fe;
  --gua-gray-50: #f9fafb;
  --gua-gray-100: #f3f4f6;
  --gua-gray-200: #e5e7eb;
  --gua-gray-300: #d1d5db;
  --gua-gray-400: #9ca3af;
  --gua-gray-500: #6b7280;
  --gua-gray-600: #4b5563;
  --gua-gray-700: #374151;
  --gua-font-display: 'Geist', ui-sans-serif, system-ui, sans-serif;
}

/* The mounted engine panel — a distinct visual surface inside the studio. */
.epanel {
  border: 1px solid var(--gua-gray-200);
  border-radius: 16px;
  background: #fff;
  padding: 20px;
  box-shadow: 0 1px 2px rgba(16, 16, 40, 0.04);
}
.epanel + .epanel { margin-top: 14px; }

/* A wrapper that frames the whole engine as "the shared media engine" so the
   seam between studio-chrome and engine-chrome reads clearly. */
.engine-wrap {
  border: 1px solid var(--gua-primary-soft);
  border-radius: 20px;
  background: linear-gradient(180deg, #faf8ff 0%, #ffffff 60%);
  padding: 14px;
}
.engine-tag {
  display: inline-flex; align-items: center; gap: 6px;
  margin: 2px 0 12px 4px;
  font: 700 11px/1 var(--gua-font-display); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gua-primary);
}
.engine-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gua-primary); }

.eyebrow {
  font: 700 11px/1 var(--gua-font-display);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gua-gray-500);
  margin-bottom: 10px;
}

/* Provider chips (ProviderModelPicker). */
.pchips { display: flex; flex-wrap: wrap; gap: 8px; }
.pchip {
  border: 1px solid var(--gua-gray-200); background: #fff;
  color: var(--gua-gray-700);
  border-radius: 10px; padding: 7px 13px;
  font: 600 12px/1 var(--gua-font-display); cursor: pointer;
  transition: border-color .12s, background .12s, color .12s;
}
.pchip:hover { border-color: var(--gua-gray-400); }
.pchip.on { border-color: var(--gua-primary); background: var(--gua-primary); color: #fff; }

/* Higgsfield model "select" (mimics the shadcn Select trigger). */
.pselect {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 10px;
  min-width: 240px;
  border: 1px solid var(--gua-gray-200); border-radius: 8px;
  padding: 9px 11px; font-size: 12px; color: var(--gua-gray-700); background: #fff;
}

/* Editable composed-prompt textarea (mono). */
.ptextarea {
  width: 100%; min-height: 130px; resize: vertical;
  border: 1px solid var(--gua-gray-200); border-radius: 10px;
  padding: 11px 12px;
  font: 12px/1.6 ui-monospace, 'SF Mono', Menlo, monospace;
  color: var(--gua-gray-700); outline: none;
}
.ptextarea:focus { border-color: var(--gua-primary); }

/* Numbered prompt guide. */
.guide { margin: 0; padding-left: 4px; list-style: none; }
.guide li { display: flex; gap: 8px; font-size: 12.5px; color: var(--gua-gray-700); margin-top: 7px; }
.guide li .n { font-weight: 700; color: var(--gua-gray-500); }

/* Required-resources READ-ONLY checklist (amber — E4c makes these generatable). */
.reqbox { border: 1px solid #fde68a; background: #fffbeb; border-radius: 10px; padding: 12px 14px; }
.reqbox .eyebrow { color: #92400e; margin-bottom: 6px; }
.reqbox ul { margin: 0; padding: 0; list-style: none; }
.reqbox li { display: flex; gap: 7px; font-size: 12px; color: #92400e; margin-top: 4px; }
.reqbox li .tri { font-size: 10px; line-height: 1.4; }

/* Refine row + refinement history. */
.refinerow { display: flex; gap: 8px; align-items: center; }
.refinerow input {
  flex: 1; border: 1px solid var(--gua-gray-200); border-radius: 10px;
  padding: 9px 12px; font-size: 13px; outline: none;
}
.refinerow input:focus { border-color: var(--gua-primary); }
.refinerow .rbtn {
  border: 1px solid var(--gua-gray-200); border-radius: 10px;
  padding: 9px 14px; font: 600 13px/1 var(--gua-font-display);
  color: var(--gua-gray-700); background: #fff; cursor: pointer;
}
.refinerow .rbtn:hover { border-color: var(--gua-gray-400); }

.rhist {
  margin-top: 12px; border: 1px solid var(--gua-gray-200);
  background: var(--gua-gray-50); border-radius: 10px; padding: 12px 14px;
}
.rhist .row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 12px; color: var(--gua-gray-700); margin-top: 7px;
}
.rhist .row:first-of-type { margin-top: 0; }
.rhist .instr { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rhist .instr .n { font-weight: 700; color: var(--gua-gray-500); margin-right: 6px; }
.rhist .revert {
  flex: none; border: 1px solid var(--gua-gray-200); border-radius: 7px;
  padding: 3px 9px; font: 600 11px/1 var(--gua-font-display);
  color: var(--gua-gray-600); background: #fff; cursor: pointer;
}
.rhist .revert:hover { border-color: var(--gua-gray-400); }

/* Status badges (usedFallback / resolvedScope). */
.ebadge {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--gua-gray-200); background: var(--gua-gray-50);
  border-radius: 999px; padding: 4px 10px;
  font: 600 11px/1 var(--gua-font-display); color: var(--gua-gray-500);
}
.ebadge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gua-gray-400); }
.ebadge.scope { border-color: var(--gua-primary-soft); background: #faf8ff; color: var(--gua-primary); }
.ebadge.scope .dot { background: var(--gua-primary); }

.efoot {
  border-top: 1px solid var(--gua-gray-200); margin-top: 12px; padding-top: 10px;
  font-size: 11px; color: var(--gua-gray-400);
}

/* Round-trip diagram (04). */
.rt { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.rt .step { border: 1px solid var(--gua-gray-200); border-radius: 12px; padding: 14px; background: #fff; }
.rt .step .lab { font: 700 11px/1 var(--gua-font-display); letter-spacing: .06em; text-transform: uppercase; color: var(--gua-primary); margin-bottom: 8px; }
.rt .step .body { font-size: 12.5px; color: var(--gua-gray-700); line-height: 1.5; }
@media (max-width: 860px) { .rt { grid-template-columns: 1fr; } }

/* ───────────────────────────────────────────────────────────────────────────
   E4c — ResourceChecklist: the actionable surface that REPLACES the read-only
   .reqbox amber list. Each row = one GenerationResource node (role · status ·
   mode toggle · actions). FLAT: a generated resource fills its node, never a
   nested checklist.
   ─────────────────────────────────────────────────────────────────────────── */
.reschecklist { border: 1px solid var(--gua-gray-200); border-radius: 12px; background: #fff; overflow: hidden; }
.reschecklist .rc-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--gua-gray-200); background: var(--gua-gray-50);
}
.reschecklist .rc-head .t { font: 700 11px/1 var(--gua-font-display); letter-spacing: .06em; text-transform: uppercase; color: var(--gua-gray-500); }
.reschecklist .rc-count { font: 600 11px/1 var(--gua-font-display); color: var(--gua-gray-400); }

.resrow { border-bottom: 1px solid var(--gua-gray-100); padding: 12px 14px; }
.resrow:last-child { border-bottom: 0; }
.resrow .rr-main { display: flex; align-items: center; gap: 12px; }
.resrow .rr-thumb {
  width: 42px; height: 42px; flex: none; border-radius: 9px;
  background: linear-gradient(135deg, #7c3aed22, #2B2D7C18); display: grid; place-items: center; color: var(--gua-gray-400);
  position: relative; overflow: hidden;
}
.resrow .rr-id { min-width: 0; flex: 1; }
.resrow .rr-role { font: 600 13px/1.2 var(--gua-font-display); color: var(--gua-gray-700); }
.resrow .rr-sub { font-size: 11.5px; color: var(--gua-gray-400); margin-top: 2px; }

/* status badge */
.rstatus { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 3px 9px; font: 700 10.5px/1 var(--gua-font-display); letter-spacing: .03em; text-transform: uppercase; }
.rstatus.have { background: #dcfce7; color: #15803d; }
.rstatus.needed { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.rstatus.generating { background: var(--gua-primary-soft); color: var(--gua-primary); }
.rstatus.generating .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gua-primary); animation: rc-pulse 1s ease-in-out infinite; }
@keyframes rc-pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.7); } }

/* per-row MODE TOGGLE — gen-mode (on-platform vs prompt/DIY), distinct from the
   scene-level frames/ingredients METHOD toggle. */
.rmode { display: inline-flex; border: 1px solid var(--gua-gray-200); border-radius: 9px; overflow: hidden; background: #fff; }
.rmode .opt { display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; font: 600 11.5px/1 var(--gua-font-display); color: var(--gua-gray-500); cursor: pointer; }
.rmode .opt + .opt { border-left: 1px solid var(--gua-gray-200); }
.rmode .opt.on { background: var(--gua-primary); color: #fff; }

/* row actions */
.rr-actions { display: flex; align-items: center; gap: 7px; margin-left: auto; }
.rr-btn { display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--gua-gray-200); border-radius: 8px; padding: 5px 10px; font: 600 11.5px/1 var(--gua-font-display); color: var(--gua-gray-700); background: #fff; cursor: pointer; }
.rr-btn:hover { border-color: var(--gua-gray-400); }
.rr-btn.primary { background: var(--gua-primary); border-color: var(--gua-primary); color: #fff; }
.rr-btn.ghost { border-color: transparent; color: var(--gua-gray-500); }

/* use-guide hint shown under a HAVE row */
.useguide { margin-top: 8px; border-left: 2px solid #86efac; background: #f0fdf4; border-radius: 0 8px 8px 0; padding: 7px 11px; font-size: 11.5px; color: #15803d; }

/* a row EXPANDED into the inline per-resource generator (on-platform mode) */
.resrow.expanded { background: #faf8ff; }
.rr-gen { margin-top: 12px; border: 1px solid var(--gua-primary-soft); border-radius: 12px; background: #fff; padding: 14px; }
.rr-gen .sub { font-size: 11.5px; color: var(--gua-gray-500); margin-bottom: 10px; }

/* per-resource candidate grid (reuse the studio candidate look) */
.ggrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.gcand { border: 1px solid var(--gua-gray-200); border-radius: 10px; padding: 8px; }
.gcand .gthumb { aspect-ratio: 1/1; border-radius: 7px; background: linear-gradient(135deg, #7c3aed22, #2B2D7C18); display: grid; place-items: center; color: var(--gua-gray-400); }
.gcand.sel { border-color: var(--gua-primary); box-shadow: 0 0 0 1px var(--gua-primary); }

/* before/after side-by-side framing for the index + image-reference pages */
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.ba .col .lab { font: 700 11px/1 var(--gua-font-display); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.ba .col.before .lab { color: var(--gua-gray-400); }
.ba .col.after .lab { color: var(--gua-primary); }
@media (max-width: 880px) { .ba { grid-template-columns: 1fr; } }