.simulator-section { padding-block: 42px 90px; }
.vendor-status-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.vendor-status { display: flex; align-items: center; gap: 12px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); }
.vendor-status strong, .vendor-status small { display: block; }
.vendor-status small { color: var(--muted); font-size: .75rem; }
.status-light { width: 10px; height: 10px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px rgba(255,199,104,.5); }
.vendor-status.is-local .status-light { background: var(--green); box-shadow: 0 0 12px rgba(105,230,166,.5); }
.simulator-section > .notice { margin-bottom: 14px; }
.simulator-tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 22px 0 14px; }
.simulator-tabs button { display: flex; align-items: center; gap: 14px; min-height: 74px; padding: 13px 18px; border: 1px solid var(--line); border-radius: 15px; color: var(--muted); background: var(--panel); text-align: left; }
.simulator-tabs button[aria-selected="true"] { color: var(--text); border-color: var(--line-strong); background: linear-gradient(135deg, rgba(82,214,255,.12), rgba(82,214,255,.035)); }
.simulator-tabs strong, .simulator-tabs small { display: block; }
.simulator-tabs small { color: var(--muted); font-size: .76rem; }
.tab-number { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 10px; color: var(--cyan); font: 800 .76rem ui-monospace, monospace; }
.simulator-panel { border: 1px solid var(--line); border-radius: 20px; background: var(--panel); overflow: hidden; }
.simulator-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 72px; padding: 12px 17px; border-bottom: 1px solid var(--line); }
.toolbar-kicker { display: block; color: var(--cyan); font-size: .68rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.toolbar-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-button { min-height: 38px; display: inline-flex; align-items: center; justify-content: center; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--text); background: rgba(255,255,255,.025); font-size: .8rem; font-weight: 750; }
.tool-button:hover { border-color: var(--line-strong); }
.simulator-stage { position: relative; background: #eff3f5; }
.digital-stage { min-height: 610px; padding: 20px; overflow: auto; }
.digital-stage > .simcir { width: max-content; min-width: 100%; }
.analog-stage { min-height: 720px; background: #151515; }
.analog-stage iframe { display: block; width: 100%; min-height: 720px; border: 0; background: #151515; }
.simulator-help { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 16px 18px; border-top: 1px solid var(--line); }
.simulator-help p { margin: 0; color: var(--muted); font-size: .86rem; }
.iframe-loader { position: absolute; z-index: 2; inset: 0; display: grid; place-content: center; place-items: center; color: #d6e3ea; background: #111; }
.iframe-loader[hidden] { display: none; }
.iframe-loader span { width: 34px; height: 34px; border: 3px solid rgba(255,255,255,.15); border-top-color: var(--cyan); border-radius: 50%; animation: spin .8s linear infinite; }
.missing-vendor { min-height: 500px; display: grid; place-content: center; text-align: center; color: #25323c; }
.missing-vendor strong { font-size: 1.25rem; }
.missing-vendor p { margin: 8px 0 0; }
.simulator-stage:fullscreen { width: 100vw; height: 100vh; overflow: auto; }
.simulator-stage:fullscreen iframe { min-height: 100vh; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 760px) {
  .vendor-status-grid, .simulator-tabs { grid-template-columns: 1fr; }
  .simulator-toolbar { align-items: flex-start; flex-direction: column; }
  .simulator-help { grid-template-columns: 1fr; }
  .digital-stage { padding: 8px; min-height: 580px; }
  .analog-stage, .analog-stage iframe { min-height: 650px; }
}