.rfq-shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: clamp(20px, 4vw, 46px); align-items: start; }
.rfq-rail { position: sticky; top: 100px; padding: 1rem; }
.rfq-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.rfq-steps button { width: 100%; display: flex; gap: .75rem; align-items: center; text-align: left; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .8rem; background: transparent; color: var(--text-soft); cursor: pointer; }
.rfq-steps button.is-active { color: var(--text); background: var(--surface-subtle); border-color: rgba(0,214,255,.36); }
.rfq-index { width: 28px; height: 28px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: var(--surface-subtle); font-size: .8rem; font-weight: 850; }
.rfq-panel { padding: clamp(20px, 3vw, 36px); }
.rfq-step { display: none; }
.rfq-step.is-active { display: block; animation: fadeUp .25s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field { display: grid; gap: .38rem; }
.field label, .choice-label { font-weight: 760; font-size: .9rem; }
.field span { color: var(--text-soft); font-size: .84rem; }
input, textarea, select {
  width: 100%; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: .82rem .9rem;
  color: var(--text); background: var(--surface-strong); outline: none; min-height: 44px;
}
textarea { min-height: 130px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--photon-cyan-500); box-shadow: 0 0 0 4px rgba(0, 214, 255, .12); }
.choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.choice { position: relative; display: block; }
.choice input { position: absolute; inset: 0; opacity: 0; }
.choice-card { height: 100%; padding: 1rem; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface); transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.choice input:checked + .choice-card { border-color: var(--photon-cyan-500); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.choice-card strong { display: block; margin-bottom: .25rem; }
.choice-card span { color: var(--text-soft); font-size: .88rem; }
.ai-status { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface-subtle); margin-bottom: 1.25rem; }
.status-dot { width: .68rem; height: .68rem; border-radius: 50%; background: var(--calibration-amber-500); box-shadow: 0 0 0 4px rgba(255,184,77,.12); }
.ai-status.is-online .status-dot { background: var(--trace-green-500); box-shadow: 0 0 0 4px rgba(35,216,145,.12); }
.ai-status.is-offline .status-dot { background: var(--warning-rose-500); box-shadow: 0 0 0 4px rgba(255,95,125,.12); }
.manual-notice { border-left: 4px solid var(--calibration-amber-500); padding: 1rem; border-radius: var(--radius-sm); background: color-mix(in oklab, var(--calibration-amber-500), transparent 88%); margin: 1rem 0; }
.manual-notice[data-status="success"] { border-left-color: var(--trace-green-500); background: color-mix(in oklab, var(--trace-green-500), transparent 88%); }
.manual-notice[data-status="error"] { border-left-color: var(--warning-rose-500); background: color-mix(in oklab, var(--warning-rose-500), transparent 88%); }
.package-output { white-space: pre-wrap; background: var(--ink-950); color: #d8f9ff; padding: 1rem; border-radius: var(--radius-md); min-height: 260px; overflow: auto; font-family: var(--font-mono); font-size: .86rem; }
.rfq-actions { display: flex; justify-content: space-between; gap: .75rem; margin-top: 1.4rem; }
.file-drop { border: 1.5px dashed var(--border-strong); border-radius: var(--radius-lg); padding: 1.2rem; background: var(--surface-subtle); }
.file-list { margin-top: .75rem; padding-left: 1.2rem; color: var(--text-soft); font-size: .9rem; }
@media (max-width: 980px) {
  .rfq-shell { grid-template-columns: 1fr; }
  .rfq-rail { position: static; }
  .form-grid, .choice-grid { grid-template-columns: 1fr; }
}