:root {
  --bg: #060b14;
  --panel: rgba(12, 18, 30, 0.92);
  --panel-2: rgba(18, 26, 42, 0.92);
  --border: rgba(166, 190, 225, 0.12);
  --text: #ecf4ff;
  --muted: #9fb0c7;
  --accent: #78beff;
  --accent-2: #8ce2ff;
  --good: #9fe27b;
  --warn: #ffd17a;
  --danger: #ff927a;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(72, 114, 188, 0.14), transparent 38%),
    radial-gradient(circle at bottom left, rgba(40, 80, 146, 0.16), transparent 32%),
    linear-gradient(180deg, #070b13 0%, #050912 100%);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  padding: 18px;
}

.app {
  height: calc(100vh - 36px);
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(240px, 310px) minmax(0, 1fr) minmax(240px, 310px);
  gap: 14px;
}

.panel {
  background:
    linear-gradient(180deg, rgba(20, 28, 44, 0.94), rgba(10, 16, 28, 0.94));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.sidebar {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  overflow: auto;
  scrollbar-gutter: stable;
}

.controls-sidebar {
  grid-column: 1;
}

.telemetry-sidebar {
  grid-column: 3;
}

.telemetry-section {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-2);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 2vw, 2.3rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.section {
  background:
    linear-gradient(180deg, rgba(16, 24, 38, 0.86), rgba(12, 17, 28, 0.92));
  border: 1px solid rgba(174, 198, 233, 0.09);
  border-radius: 14px;
  padding: 15px;
}

.section h2 {
  margin: 0 0 14px;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(121, 190, 255, 0.12);
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid rgba(120, 190, 255, 0.16);
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(120, 190, 255, 0.7);
}

.status-note {
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

.controls-grid {
  display: grid;
  gap: 12px;
}

.control {
  display: grid;
  gap: 8px;
}

.control-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.control-label {
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 600;
}

.control-value {
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.preset-select {
  width: 100%;
  min-width: 0;
  appearance: none;
  border: 1px solid rgba(167, 197, 234, 0.12);
  border-radius: 12px;
  padding: 11px 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025));
  color: var(--text);
  font: inherit;
}

.preset-select option {
  color: #0e1522;
}

input[type="range"] {
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(120, 190, 255, 0.75), rgba(120, 190, 255, 0.2));
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, #eef6ff, #9fd6ff);
  border: 1px solid rgba(0, 0, 0, 0.18);
  box-shadow: 0 2px 12px rgba(120, 190, 255, 0.35);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, #eef6ff, #9fd6ff);
  border: 1px solid rgba(0, 0, 0, 0.18);
  box-shadow: 0 2px 12px rgba(120, 190, 255, 0.35);
  cursor: pointer;
}

.checks {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.check label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--text);
  font-size: 0.92rem;
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #7dc7ff;
  cursor: pointer;
}

.settings-panel {
  border: 1px solid rgba(174, 198, 233, 0.09);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
  padding: 10px;
}

.settings-panel summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  list-style: none;
  user-select: none;
}

.settings-panel summary::-webkit-details-marker {
  display: none;
}

.settings-panel summary::after {
  content: "+";
  float: right;
  color: var(--accent-2);
}

.settings-panel[open] summary::after {
  content: "−";
}

.buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

button {
  appearance: none;
  border: 1px solid rgba(167, 197, 234, 0.12);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, opacity 120ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(150, 208, 255, 0.24);
}

button:active:not(:disabled) {
  transform: translateY(0);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(140, 210, 255, 0.58);
  outline-offset: 2px;
}

.launch {
  background:
    linear-gradient(180deg, rgba(74, 141, 235, 0.92), rgba(53, 111, 198, 0.92));
  box-shadow: 0 8px 24px rgba(60, 128, 228, 0.28);
}

.reset {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.telemetry-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.metric {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  align-items: center;
  min-width: 0;
}

.metric-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.metric-value {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  min-width: 0;
}

.sim-panel {
  position: relative;
  min-height: 0;
  background: linear-gradient(180deg, rgba(7, 11, 19, 1), rgba(5, 8, 15, 1));
}

canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
}

.canvas-overlay {
  position: absolute;
  inset: 16px;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 12px;
  pointer-events: none;
}

.overlay-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(7, 11, 20, 0.56);
  border: 1px solid rgba(158, 189, 225, 0.14);
  color: #edf4ff;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
  font-size: 0.86rem;
  letter-spacing: 0.01em;
}

.zoom-overlay {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}

.zoom-readout {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(7, 11, 20, 0.56);
  border: 1px solid rgba(158, 189, 225, 0.14);
  color: var(--muted);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
  font-size: 0.86rem;
  letter-spacing: 0.01em;
}

.zoom-controls {
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.zoom-button {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid rgba(158, 189, 225, 0.14);
  background: rgba(7, 11, 20, 0.58);
  color: var(--text);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.24);
  font-size: 1.1rem;
  line-height: 1;
}

.zoom-button:hover:not(:disabled) {
  background: rgba(20, 34, 58, 0.82);
}

.locked {
  opacity: 0.62;
}

@media (max-width: 1280px) {
  .app {
    height: auto;
    min-height: calc(100vh - 36px);
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .sidebar {
    overflow: visible;
  }

  .controls-sidebar,
  .telemetry-sidebar {
    grid-column: auto;
  }

  .sim-panel {
    min-height: 520px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 12px;
  }

  .app {
    height: auto;
    min-height: calc(100vh - 24px);
    gap: 12px;
  }

  .sidebar {
    padding: 0;
    overflow: visible;
  }

  .buttons {
    grid-template-columns: 1fr;
  }

  .telemetry-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .sim-panel {
    min-height: 440px;
  }
}