:root {
  --ink: #e8e5d8;
  --muted: #aaa895;
  --panel: rgba(17, 20, 17, 0.82);
  --line: rgba(220, 215, 188, 0.25);
  --olive: #aebb72;
  --amber: #e7b24f;
  --danger: #d9574d;
  --blue: #5d9fbd;
  font-family: "Arial Narrow", "Roboto Condensed", Impact, system-ui, sans-serif;
  color: var(--ink);
  background: #070908;
}

* { box-sizing: border-box; }

html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

button,
input { font: inherit; }

button { touch-action: none; }

#app {
  position: relative;
  background: #111510;
  user-select: none;
}

#game {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  outline: none;
  cursor: crosshair;
}

.screen-noise,
.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.screen-noise {
  opacity: 0.12;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.018) 0,
    rgba(255,255,255,0.018) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

.vignette {
  box-shadow: inset 0 0 11rem 2.5rem rgba(0,0,0,0.78);
}

.top-bar {
  position: absolute;
  inset: 0 0 auto;
  min-height: 58px;
  padding: 11px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8,10,8,0.92), rgba(8,10,8,0.28));
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  letter-spacing: 0.15em;
  font-size: 0.72rem;
}

.brand strong { color: var(--olive); font-size: 0.92rem; }
.brand-mark { color: var(--amber); }

.top-actions { display: flex; align-items: center; gap: 8px; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  background: rgba(4,5,4,0.56);
  font: 600 0.68rem/1 ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 8px currentColor;
}

.status-online::before { background: #86c46b; }
.status-waiting::before { background: var(--amber); }

.icon-button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(16,18,15,0.72);
  letter-spacing: 0.09em;
  font-size: 0.66rem;
  cursor: pointer;
}

.icon-button:hover,
.icon-button:focus-visible { border-color: var(--olive); color: var(--olive); }

.hud {
  position: absolute;
  top: 76px;
  min-width: 172px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(4px);
}

.hud-left { left: 18px; }
.hud-right { right: 18px; text-align: right; }

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.hud strong { font: 700 1.65rem/1 ui-monospace, monospace; }
.unit { color: var(--muted); font: 600 0.64rem/1 ui-monospace, monospace; }

.meter,
.reload-track {
  height: 4px;
  overflow: hidden;
  background: rgba(255,255,255,0.12);
}

.meter { margin-bottom: 8px; }
.meter span,
.reload-track span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--olive);
  transition: width 100ms linear, background-color 200ms ease;
}

.reload-track { margin: 8px 0 5px; }
.reload-track span { width: 0; background: var(--amber); }
.hud small { color: var(--olive); font: 600 0.58rem/1 ui-monospace, monospace; }

.score-panel {
  position: absolute;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 230px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  justify-content: center;
}

.score-panel div { display: flex; align-items: center; gap: 7px; }
.score-panel strong { font: 800 1.35rem/1 ui-monospace, monospace; }
.score-panel > span { color: var(--muted); font-size: 0.62rem; letter-spacing: 0.13em; }

.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot-red { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.dot-blue { background: var(--blue); box-shadow: 0 0 8px var(--blue); }

.crosshair {
  position: absolute;
  left: 50%;
  top: 48%;
  width: 96px;
  height: 96px;
  transform: translate(-50%, -50%);
  color: rgba(229, 224, 194, 0.72);
  pointer-events: none;
  filter: drop-shadow(0 1px 2px #000);
}

.crosshair-horizontal,
.crosshair-vertical,
.crosshair-ring,
.range-mark { position: absolute; display: block; }
.crosshair-horizontal { left: 0; top: 47px; width: 96px; border-top: 1px solid; }
.crosshair-vertical { left: 47px; top: 0; height: 96px; border-left: 1px solid; }
.crosshair-ring { left: 34px; top: 34px; width: 28px; height: 28px; border: 1px solid; border-radius: 50%; }
.range-mark { left: 43px; width: 9px; border-top: 1px solid; }
.range-mark-one { top: 68px; }
.range-mark-two { top: 78px; }

.phase-overlay {
  position: absolute;
  left: 50%;
  top: 29%;
  transform: translateX(-50%);
  min-width: min(420px, 76vw);
  padding: 16px 22px;
  border-block: 1px solid rgba(231,178,79,0.46);
  text-align: center;
  background: linear-gradient(90deg, transparent, rgba(10,12,9,0.86) 15%, rgba(10,12,9,0.86) 85%, transparent);
}

.phase-overlay strong {
  display: block;
  color: var(--amber);
  font: 800 clamp(1.5rem, 5vw, 3.2rem)/1 ui-monospace, monospace;
  letter-spacing: 0.1em;
}

.phase-overlay span { display: block; margin-top: 7px; color: var(--muted); letter-spacing: 0.13em; font-size: 0.68rem; }
.hidden { display: none !important; }

.hit-indicator {
  position: absolute;
  left: 50%;
  top: calc(48% + 64px);
  transform: translateX(-50%) scale(0.9);
  color: #fff3c6;
  opacity: 0;
  font: 800 0.76rem/1 ui-monospace, monospace;
  letter-spacing: 0.17em;
  transition: opacity 120ms ease, transform 120ms ease;
}

.hit-indicator.show { opacity: 1; transform: translateX(-50%) scale(1); }

.damage-flash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 0 solid rgba(217,87,77,0.7);
  box-shadow: inset 0 0 0 rgba(217,87,77,0);
  transition: box-shadow 100ms ease;
}

.damage-flash.show { box-shadow: inset 0 0 90px 20px rgba(217,87,77,0.62); }

.drive-pad,
.turret-pad {
  position: absolute;
  bottom: 47px;
  opacity: 0.64;
  transition: opacity 150ms ease;
}

.drive-pad:hover,
.turret-pad:hover { opacity: 1; }
.drive-pad { left: 18px; text-align: center; }
.turret-pad { right: 18px; display: flex; align-items: end; gap: 5px; }

.drive-pad button,
.turret-pad button {
  min-width: 42px;
  min-height: 38px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(10,12,9,0.72);
  font: 700 0.72rem/1 ui-monospace, monospace;
}

.drive-pad > button { margin-bottom: 4px; }
.drive-pad small { font-size: 0.44rem; color: var(--muted); }
.turret-pad .fire-button { min-height: 52px; border-color: rgba(217,87,77,0.7); color: #ffd8cf; }
.drive-pad button.active,
.turret-pad button.active { color: #111; background: var(--amber); border-color: var(--amber); }
.turret-pad .fire-button.active { background: var(--danger); border-color: var(--danger); color: white; }

.bottom-readout {
  position: absolute;
  inset: auto 0 0;
  min-height: 34px;
  padding: 8px 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  background: rgba(7,9,7,0.88);
  color: var(--muted);
  font: 600 0.58rem/1 ui-monospace, monospace;
  letter-spacing: 0.08em;
}

.bottom-readout span:first-child { color: var(--olive); }

.start-screen {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 70px 18px 24px;
  overflow: auto;
  background:
    radial-gradient(circle at 50% 32%, rgba(93,103,70,0.38), transparent 38%),
    linear-gradient(135deg, rgba(4,6,4,0.98), rgba(17,20,15,0.94));
}

.start-card {
  width: min(500px, 94vw);
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid rgba(196,196,159,0.26);
  box-shadow: 0 28px 90px rgba(0,0,0,0.5);
  background: rgba(13,16,12,0.9);
}

.start-emblem {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--amber);
  transform: rotate(45deg);
  color: var(--amber);
}

.start-emblem span { transform: rotate(-45deg); }
.start-card h1 { margin: 0; color: var(--olive); font-size: clamp(2rem, 8vw, 4rem); line-height: 0.95; letter-spacing: 0.045em; }
.intro { max-width: 46ch; margin: 16px 0 22px; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.start-card label { display: block; margin: 12px 0 5px; color: var(--muted); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.15em; }
.start-card input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  color: var(--ink);
  background: #090b09;
  font-family: ui-monospace, monospace;
}

.start-card input:focus { border-color: var(--olive); }

.station-row {
  margin: 12px 0;
  padding: 9px 11px;
  display: flex;
  justify-content: space-between;
  border-left: 3px solid var(--danger);
  background: rgba(255,255,255,0.035);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
}

.difficulty-picker {
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.difficulty-picker div { display: flex; gap: 4px; }
.difficulty-picker button {
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.difficulty-picker button:hover,
.difficulty-picker button:focus-visible { border-color: var(--olive); color: var(--ink); }
.difficulty-picker button.selected { border-color: var(--olive); color: #151810; background: var(--olive); }

.mode-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mode-buttons button {
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  text-align: left;
  cursor: pointer;
}

.mode-buttons button strong,
.mode-buttons button span { display: block; }
.mode-buttons button strong { margin-bottom: 5px; letter-spacing: 0.08em; }
.mode-buttons button span { font-size: 0.67rem; opacity: 0.7; }
.primary-button { color: #171a12; background: var(--olive); }
.secondary-button { color: var(--ink); background: transparent; }
.mode-buttons button:hover,
.mode-buttons button:focus-visible { transform: translateY(-1px); filter: brightness(1.12); }
.mode-buttons button:disabled { opacity: 0.45; cursor: wait; }
.start-error { min-height: 1.2em; margin: 12px 0 0; color: #ff9a8f; font-size: 0.76rem; }
.focus-hint { display: block; color: #77796d; font-size: 0.62rem; line-height: 1.4; }

@media (max-width: 700px), (max-height: 560px) {
  .top-bar { min-height: 44px; padding: 7px 10px; }
  .brand > span:not(.brand-mark),
  .bottom-readout span:last-child,
  #sound-button { display: none; }
  .hud { top: 55px; min-width: 130px; padding: 8px 9px; }
  .hud-left { left: 10px; }
  .hud-right { right: 10px; }
  .score-panel { top: 51px; min-width: 160px; gap: 10px; padding: 7px 9px; }
  .drive-pad { left: 10px; bottom: 39px; }
  .turret-pad { right: 10px; bottom: 39px; }
  .bottom-readout { min-height: 28px; padding: 7px 10px; }
  .mode-buttons { grid-template-columns: 1fr; }
}

@media (pointer: fine) and (min-width: 900px) {
  .drive-pad,
  .turret-pad { opacity: 0.42; }
}