.stream-section { margin-top: 100px; }
.mode-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.mode-tabs a, .mode-tabs span { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); text-decoration: none; font-size: .78rem; font-weight: 750; }
.mode-tabs .active { border-color: rgba(100,240,176,.4); color: var(--accent); background: rgba(100,240,176,.06); }
.stream-grid { display: grid; grid-template-columns: minmax(320px,.7fr) minmax(0,1.3fr); gap: 18px; align-items: start; }
.stream-controls { display: grid; gap: 16px; }
.stream-controls .form-grid { margin-top: 0; }
.stream-controls input[type="password"], .stream-controls input[type="number"] { width: 100%; margin-top: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--surface-2); }
.stream-capacity { grid-template-columns: repeat(2,1fr); margin: 0; }
.stream-capacity div:last-child { grid-column: auto; }
.stream-display-panel { padding: 16px; }
.stream-display { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 1; overflow: hidden; border-radius: 17px; background: #f7f7f2; isolation: isolate; }
.stream-display .stream-buffer { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; image-rendering: pixelated; visibility: hidden; opacity: 0; }
.stream-display .stream-buffer.active { visibility: visible; opacity: 1; }
.stream-display:fullscreen { width: 100vw; height: 100vh; aspect-ratio: auto; border-radius: 0; background: #f7f7f2; }
.stream-display:fullscreen .stream-buffer { width: 100vmin; height: 100vmin; margin: auto; }
.stream-placeholder { z-index: -1; max-width: 310px; padding: 22px; color: #4b5563; text-align: center; }
.stream-live .stream-placeholder { display: none; }
.stream-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.stream-toolbar .button { flex: 1 1 auto; }
.telemetry { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; overflow: hidden; margin-top: 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.telemetry div { min-width: 0; padding: 11px; background: var(--surface-2); }
.telemetry span, .telemetry strong { display: block; }
.telemetry span { color: var(--muted); font-size: .63rem; letter-spacing: .07em; text-transform: uppercase; }
.telemetry strong { overflow: hidden; margin-top: 5px; font: 650 .8rem/1.2 ui-monospace,monospace; text-overflow: ellipsis; white-space: nowrap; }
.stream-receiver { margin-top: 18px; }
.stream-receiver-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(290px,.75fr); gap: 18px; }
.stream-camera-view { position: relative; min-height: 320px; overflow: hidden; border-radius: 15px; background: #05080d; }
.stream-camera-view video { display: block; width: 100%; min-height: 320px; max-height: 70vh; object-fit: contain; }
.stream-camera-view canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.state-pill { display: inline-flex; align-items: center; gap: 8px; margin-top: 13px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: 700 .72rem/1 ui-monospace,monospace; }
.state-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--warning); }
.state-pill[data-state="LOCKED"]::before, .state-pill[data-state="DONE"]::before { background: var(--accent); }
.state-pill[data-state="ERROR"]::before, .state-pill[data-state="LOST"]::before { background: var(--danger); }
.capability-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 7px; margin-top: 12px; }
.capability-list span { padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: .7rem; }
.capability-list span.yes { color: var(--accent); border-color: rgba(100,240,176,.2); }
.stream-debug { margin-top: 18px; }
.stream-debug pre { max-height: 280px; overflow: auto; margin: 0; padding: 14px; border-radius: 12px; background: #070b12; color: #a7cbbb; font: .7rem/1.5 ui-monospace,monospace; white-space: pre-wrap; }
.benchmark-panel { margin-top: 18px; }
.benchmark-line { height: 8px; overflow: hidden; margin: 15px 0; border-radius: 999px; background: rgba(255,255,255,.07); }
.benchmark-line span { display: block; width: 0; height: 100%; background: linear-gradient(90deg,var(--blue),var(--accent)); transition: width .15s linear; }

@media (max-width: 920px) {
  .stream-grid, .stream-receiver-grid { grid-template-columns: 1fr; }
  .stream-controls-panel { order: 1; }.stream-display-panel { order: 2; }
}
@media (max-width: 600px) {
  .stream-section { margin-top: 70px; }
  .telemetry { grid-template-columns: repeat(2,1fr); }
  .capability-list { grid-template-columns: 1fr; }
  .stream-camera-view, .stream-camera-view video { min-height: 250px; }
}