:root {
  --jam-bg: #050705;
  --jam-panel: #090d09;
  --jam-text: #9eff9e;
  --jam-muted: #76d576;
  --jam-line: #1f4d1f;
  --jam-hot: #c7ffc7;
}

body {
  background:
    linear-gradient(rgba(124, 255, 124, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 255, 124, 0.018) 1px, transparent 1px),
    var(--jam-bg);
  background-size: 5px 5px, 5px 5px, auto;
  color: var(--jam-text);
  font-family: "Courier New", Courier, monospace;
}

body > .container {
  width: min(1800px, calc(100% - 24px));
  max-width: none;
  margin: 12px auto;
  padding: 18px;
  border: 1px solid var(--jam-line);
  border-radius: 0;
  background: rgba(9, 13, 9, 0.97);
  box-shadow: 0 0 28px rgba(124, 255, 124, 0.13);
}

.term-menu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  row-gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.term-menu a {
  color: var(--jam-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.term-menu a:hover,
.term-menu a.active { border-bottom-color: var(--jam-text); }

.jam-header {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 24px;
  align-items: end;
  border: 1px solid var(--jam-line);
  padding: 16px;
}

.jam-header h1 {
  grid-row: 1 / span 2;
  margin: 0;
  font-size: clamp(54px, 8vw, 112px);
  line-height: 0.82;
  letter-spacing: -0.08em;
}

.jam-kicker,
.jam-header p { margin: 0; }
.jam-kicker { font-size: 11px; letter-spacing: 0.16em; color: var(--jam-muted); }
.jam-header p:last-child { max-width: 850px; color: var(--jam-muted); line-height: 1.45; }

.jam-transport {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto auto auto;
  align-items: stretch;
  gap: 8px;
  margin: 12px 0;
}

.jam-transport-state,
.jam-clock-readout,
.jam-transport button,
.jam-device-head {
  border: 1px solid var(--jam-line);
  background: #071007;
}

.jam-transport-state {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 10px 12px;
  color: var(--jam-muted);
}

.jam-signal {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--jam-text);
}

.jam-signal.running {
  background: var(--jam-hot);
  box-shadow: 0 0 12px var(--jam-text);
  animation: jam-pulse 0.5s steps(1, end) infinite;
}

@keyframes jam-pulse { 50% { opacity: 0.25; } }

.jam-clock-readout {
  display: grid;
  align-content: center;
  min-width: 132px;
  padding: 7px 12px;
  text-align: right;
}

.jam-clock-readout span { font-size: 9px; letter-spacing: 0.12em; color: var(--jam-muted); }
.jam-clock-readout strong { font-size: 18px; }

.jam-transport button,
.jam-role {
  border-radius: 0;
  color: var(--jam-text);
  font: 700 12px/1 "Courier New", Courier, monospace;
  letter-spacing: 0.08em;
  cursor: pointer;
  padding: 10px 14px;
}

.jam-transport button:hover,
.jam-role:hover,
.jam-role.active {
  background: #174217;
  box-shadow: inset 0 0 0 1px var(--jam-text);
}

.jam-rack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.jam-device { min-width: 0; border: 1px solid var(--jam-line); }

.jam-device-head {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 10px;
  border-width: 0 0 1px;
}

.jam-device-head label { font-size: 11px; letter-spacing: 0.12em; }

.jam-device-select {
  width: 100%;
  min-width: 0;
  border: 1px solid #2f7a2f;
  border-radius: 0;
  background: #050905;
  color: var(--jam-text);
  padding: 9px;
  font: 700 12px "Courier New", Courier, monospace;
}

.jam-role { border: 1px solid #2f7a2f; background: #0f210f; }
.jam-role-state { grid-column: 1 / -1; font-size: 10px; color: var(--jam-muted); letter-spacing: 0.08em; }

.jam-volume {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto minmax(100px, 1fr) 42px;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--jam-muted);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.jam-volume input {
  width: 100%;
  height: 18px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  accent-color: var(--jam-text);
  touch-action: none;
}

.jam-volume output { color: var(--jam-text); text-align: right; }

.jam-frame-shell { position: relative; min-height: 760px; background: #050705; }
.jam-frame-shell iframe { display: block; width: 100%; height: 760px; border: 0; background: #050705; }
.jam-loading { position: absolute; inset: 0; display: grid; place-items: center; z-index: 2; color: var(--jam-muted); background: #050705; }
.jam-loading.hidden { display: none; }

.jam-note {
  margin: 12px 0 0;
  padding: 12px;
  border-left: 2px solid var(--jam-line);
  color: var(--jam-muted);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .jam-transport { grid-template-columns: 1fr 1fr 1fr; }
  .jam-transport-state { grid-column: 1 / -1; }
  .jam-clock-readout { text-align: left; }
  .jam-rack { grid-template-columns: 1fr; }
  .jam-frame-shell, .jam-frame-shell iframe { min-height: 720px; height: 720px; }
}

@media (max-width: 620px) {
  body > .container { width: 100%; margin: 0; padding: 8px; }
  .term-menu { gap: 11px; font-size: 11px; }
  .jam-header { grid-template-columns: 1fr; gap: 10px; }
  .jam-header h1 { grid-row: auto; }
  .jam-transport { grid-template-columns: 1fr 1fr; }
  .jam-clock-readout { grid-column: span 2; }
  .jam-transport button:last-child { grid-column: span 2; }
  .jam-device-head { grid-template-columns: 1fr auto; }
  .jam-device-head label { grid-column: 1 / -1; }
  .jam-frame-shell, .jam-frame-shell iframe { min-height: 690px; height: 690px; }
}