:root {
  --bg: #020309;
  --fg: #d8e4ff;
  --dim: rgba(200, 215, 255, 0.6);
  --accent: #8cffdc;
  --warn: #ffbe5a;
  --panel: rgba(8, 14, 30, 0.55);
  --border: rgba(140, 200, 255, 0.18);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
}

#view {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  cursor: crosshair;
}

#hud {
  display: none;
  font-size: 12px;
  pointer-events: none;
}

body.playing #hud {
  display: block;
}

.panel {
  position: fixed;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  backdrop-filter: blur(4px);
}

.title {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.dim {
  color: var(--dim);
}

#hud-top-left {
  top: 12px;
  left: 12px;
}

#hud-top-right {
  top: 12px;
  right: 12px;
  text-align: right;
  max-width: 40vw;
}

#hud-top-right button {
  pointer-events: auto;
  margin-top: 6px;
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
  cursor: pointer;
}

#hud-bottom {
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  min-width: 220px;
}

.speed {
  font-size: 22px;
  font-weight: 700;
}

.bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}

#hud-speed-bar {
  height: 100%;
  width: 0;
  background: var(--accent);
}

#hud-speed-bar.boost {
  background: var(--warn);
}

#hud-target {
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
}

.dist {
  font-size: 18px;
  margin: 4px 0 8px;
}

.comp-row {
  display: grid;
  grid-template-columns: 1fr auto 80px 36px;
  gap: 6px;
  align-items: center;
  margin: 2px 0;
}

.comp-row .tier,
.comp-row .pct {
  color: var(--dim);
  text-align: right;
}

.comp-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.comp-bar span {
  display: block;
  height: 100%;
}

#hud-help {
  left: 12px;
  bottom: 16px;
}

#hud-help.collapsed .keys {
  display: none;
}

.keys {
  display: grid;
  grid-template-columns: auto auto;
  gap: 2px 12px;
  margin-top: 6px;
  color: var(--dim);
}

#overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at center, rgba(40, 20, 80, 0.55), rgba(2, 3, 9, 0.95));
  z-index: 10;
}

#overlay[hidden] {
  display: none;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(360px, calc(100vw - 32px));
}

#login-form h1 {
  margin: 0;
  font-size: 44px;
  letter-spacing: 0.4em;
  text-align: center;
  color: var(--accent);
  text-shadow: 0 0 24px rgba(140, 255, 220, 0.45);
}

.tagline {
  margin: 0 0 12px;
  text-align: center;
  color: var(--dim);
}

#login-form input,
#login-form button {
  font: inherit;
  font-size: 16px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(8, 14, 30, 0.8);
  color: var(--fg);
}

#login-form button {
  background: rgba(140, 255, 220, 0.15);
  color: var(--accent);
  cursor: pointer;
  letter-spacing: 0.2em;
}

#login-error {
  min-height: 1.2em;
  margin: 0;
  color: var(--warn);
}

.note {
  margin: 0;
  font-size: 11px;
  color: var(--dim);
  text-align: center;
}

#hud-prompt {
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--accent);
}

#hud-prompt[hidden],
#orbit-panel[hidden] {
  display: none;
}

body.orbiting #hud-target,
body.orbiting #hud-bottom,
body.orbiting #hud-help {
  display: none;
}

body.orbiting #view {
  cursor: grab;
}

#orbit-panel {
  pointer-events: auto;
  right: 12px;
  top: 100px;
  bottom: 16px;
  width: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.op-head {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.op-section {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.op-label {
  font-weight: 700;
}

#orbit-panel button {
  font: inherit;
  cursor: pointer;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: rgba(140, 255, 220, 0.12);
  color: var(--accent);
  padding: 5px 8px;
}

#orbit-panel button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#orbit-panel .op-exit {
  background: transparent;
  color: var(--dim);
  margin-top: 6px;
}

.op-hold-fill {
  height: 100%;
  background: var(--accent);
}

.op-hold {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.op-chip {
  border: 1px solid;
  border-radius: 10px;
  padding: 1px 7px;
}

.op-sites {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.op-site {
  display: grid;
  grid-template-columns: 10px 1fr auto auto;
  gap: 6px;
  align-items: center;
  padding: 3px 4px;
  border-radius: 4px;
  cursor: pointer;
}

.op-site.selected {
  background: rgba(255, 255, 255, 0.08);
}

.op-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  transform: rotate(45deg);
}

.op-mine {
  color: var(--accent);
}

.op-other {
  color: var(--warn);
}

#toasts {
  position: fixed;
  top: 110px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

.toast {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  transition: opacity 0.8s;
}

.toast.good {
  color: var(--accent);
}

.toast.warn {
  color: var(--warn);
}

.toast.fade {
  opacity: 0;
}

@media (max-width: 720px) {
  #hud-help,
  #hud-target {
    display: none;
  }
}