:root {
  --ink: #0c0e0b;
  --paper: #e6e1d4;
  --mute: #8a8476;
  --gold: #c4a35a;
  --hazard: #b42318;
  --ok: #7a9a4e;
  --line: rgba(230, 225, 212, 0.22);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--ink); color: var(--paper); }
body { font-family: "Share Tech Mono", ui-monospace, monospace; cursor: default; }
body.playing { cursor: crosshair; }

#viewport, #viewport canvas {
  position: fixed; inset: 0; width: 100%; height: 100%; display: block;
}
#grain, #vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 4;
}
#grain {
  opacity: 0.09;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
#vignette {
  background: radial-gradient(ellipse at center, transparent 42%, rgba(8,9,7,.72) 100%);
}

.screen { position: fixed; inset: 0; z-index: 6; pointer-events: none; }
.screen.hidden { display: none; }
.hangar-top, .hangar-actions, .hangar-foot, .hangar-brand, .mode-wrap, .end-card,
.garage-left, .garage-right, .tree-wrap { pointer-events: auto; }

.wallet {
  display: flex; gap: 18px; letter-spacing: 0.12em; font-size: 11px; color: var(--mute);
}
.wallet b { color: var(--gold); font-weight: 600; margin-left: 6px; }
.mod-kicker { margin-top: 18px; }
.mod-list { display: flex; flex-direction: column; gap: 8px; }
.mod-row {
  appearance: none; width: 100%; text-align: right; cursor: pointer;
  border: 1px solid var(--line); background: rgba(12,14,11,0.5);
  color: var(--paper); padding: 8px 10px; font-family: inherit;
}
.mod-row:hover { border-color: var(--gold); }
.mod-row .k { display: block; font-size: 10px; letter-spacing: 0.16em; color: var(--mute); }
.mod-row .n { display: block; font-size: 12px; margin: 3px 0; }
.mod-row .a { font-size: 10px; letter-spacing: 0.1em; color: var(--gold); }
.mod-row.done .a { color: var(--ok); }
.ghost-btn {
  appearance: none; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: transparent; color: var(--paper);
  font-family: Oswald, sans-serif; font-size: 14px; letter-spacing: 0.22em;
  padding: 12px 16px; cursor: pointer; white-space: nowrap;
}
.ghost-btn:hover { border-color: var(--gold); color: var(--gold); }
.tree-wrap {
  position: absolute; left: 40px; right: 40px; top: 88px; bottom: 36px;
  overflow: auto;
}
.tree-nation { margin-bottom: 28px; }
.tree-line { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; }
.tree-card {
  appearance: none; min-width: 180px; text-align: left; cursor: pointer;
  border: 1px solid var(--line); background: rgba(12,14,11,0.62);
  color: var(--paper); padding: 14px 16px; font-family: inherit;
}
.tree-card:hover { border-color: var(--gold); }
.tree-card.owned { border-color: var(--ok); }
.tree-card.locked { opacity: 0.55; }
.tree-card .tier { font-size: 10px; letter-spacing: 0.2em; color: var(--gold); }
.tree-card strong { display: block; font-family: "Noto Serif SC", serif; font-size: 20px; margin: 6px 0; }
.tree-card em { font-style: normal; color: var(--mute); font-size: 11px; }
.reward-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin: 8px 0 20px; text-align: center;
}
.reward-grid dt { color: var(--mute); font-size: 10px; letter-spacing: 0.16em; }
.reward-grid dd { font-family: Oswald, sans-serif; font-size: 26px; color: var(--gold); }

.load-hint {
  position: fixed; left: 50%; top: 22px; transform: translateX(-50%);
  z-index: 12; letter-spacing: 0.22em; font-size: 12px; color: var(--gold);
  pointer-events: none;
}
.garage-left {
  position: absolute; left: 36px; top: 78px; width: 280px;
}
.garage-right {
  position: absolute; right: 36px; top: 78px; width: 260px; text-align: right;
  bottom: 168px; overflow: auto;
}
.tank-slots {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px;
  max-height: min(62vh, 520px); overflow-y: auto; padding-right: 2px;
}
.tank-slot {
  appearance: none; text-align: left; cursor: pointer; font-family: inherit;
  border: 1px solid var(--line); background: rgba(12,14,11,0.55);
  color: var(--paper); padding: 9px 11px; min-width: 0;
}
.tank-slot span { display: block; font-size: 9px; letter-spacing: 0.12em; color: var(--mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tank-slot strong { display: block; margin-top: 3px; font-family: "Noto Serif SC", serif; font-size: 16px; white-space: nowrap; }
.tank-slot.on, .tank-slot:hover { border-color: var(--gold); background: rgba(196,163,90,0.12); }
.stat-name { font-family: "Noto Serif SC", serif; font-size: 28px; line-height: 1.1; }
.stat-class { color: var(--mute); letter-spacing: 0.16em; font-size: 11px; margin: 6px 0 16px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.stat-grid dt { color: var(--mute); font-size: 10px; letter-spacing: 0.18em; }
.stat-grid dd { font-family: Oswald, sans-serif; font-size: 22px; }

.aim-circle {
  position: absolute; left: 50%; top: 46%;
  width: 86px; height: 86px; border: 1px solid rgba(230,225,212,0.45);
  border-radius: 50%; pointer-events: none; transform: translate(-50%, -50%);
}
.reload-ring {
  position: absolute; left: 50%; top: 46%; width: 52px; height: 52px;
  transform: translate(-50%, -50%) rotate(-90deg); pointer-events: none;
}
.reload-ring circle { fill: none; stroke: rgba(230,225,212,0.18); stroke-width: 2; }
#reloadArc {
  stroke: var(--gold); stroke-dasharray: 138.2; stroke-dashoffset: 0;
  transition: stroke-dashoffset 80ms linear;
}
.shot-toast {
  position: absolute; left: 50%; top: 38%; transform: translateX(-50%);
  letter-spacing: 0.28em; font-size: 14px; min-height: 18px; color: var(--gold);
}
.shot-toast.ok { color: var(--ok); }
.shot-toast.bad { color: var(--hazard); }
.zoom-read {
  position: absolute; left: calc(50% + 48px); top: 46%;
  font-size: 11px; letter-spacing: 0.16em; color: var(--mute);
}
.sniper-mask {
  display: none; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 46%, transparent 18%, rgba(6,7,5,0.82) 46%);
}
body.sniper .sniper-mask { display: block; }
body.sniper .aim-circle { border-color: rgba(196,163,90,0.8); }
body.godview .sniper-mask { display: none; }
body.godview .aim-circle { opacity: 0.35; }

.text-btn {
  appearance: none; border: 0; background: none;
  color: var(--mute); letter-spacing: 0.2em; font-size: 11px;
  font-family: inherit; cursor: pointer;
}
.text-btn:hover { color: var(--paper); }

.mode-wrap {
  position: absolute; left: 48px; right: 48px; bottom: 72px;
}
.mode-kicker {
  letter-spacing: 0.28em; font-size: 12px; color: var(--gold); margin-bottom: 16px;
}
.mode-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 280px));
  gap: 14px;
}
.mode-card {
  appearance: none;
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(12, 14, 11, 0.55);
  color: var(--paper);
  padding: 18px 18px 16px;
  cursor: pointer;
  font-family: inherit;
}
.mode-card:hover { border-color: var(--gold); background: rgba(196, 163, 90, 0.1); }
.mode-id { display: block; letter-spacing: 0.24em; font-size: 10px; color: var(--gold); }
.mode-card strong {
  display: block; font-family: "Noto Serif SC", serif;
  font-size: 26px; font-weight: 700; margin: 8px 0 8px;
}
.mode-card em { font-style: normal; color: var(--mute); font-size: 12px; letter-spacing: 0.06em; }
.mode-hint { margin-top: 18px; max-width: none; margin-left: 0; text-align: left; }

.end-actions { display: flex; gap: 12px; justify-content: center; }
#btnMenu {
  pointer-events: auto;
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  font-family: Oswald, sans-serif;
  font-size: 16px;
  letter-spacing: 0.22em;
  padding: 12px 20px;
  cursor: pointer;
}
#btnMenu:hover { border-color: var(--paper); }

.hangar-top, .hangar-foot {
  position: absolute; left: 36px; right: 36px;
  display: flex; justify-content: space-between;
  letter-spacing: 0.22em; font-size: 11px; color: var(--mute);
}
.hangar-top { top: 28px; }
.hangar-foot { bottom: 28px; }
.meta { text-transform: uppercase; }

.hangar-brand {
  position: absolute; left: 48px; bottom: 132px;
  pointer-events: none;
}
.brand-en {
  font-family: Oswald, sans-serif;
  font-size: clamp(18px, 2.2vw, 28px);
  letter-spacing: 0.42em;
  color: var(--gold);
}
.brand-cn {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(56px, 8vw, 112px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: 0.08em;
  margin-top: 6px;
}
.brand-iii {
  font-family: Oswald, sans-serif;
  font-size: clamp(40px, 6vw, 72px);
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-top: 4px;
}
.brand-tag {
  margin-top: 14px;
  letter-spacing: 0.28em;
  font-size: 12px;
  color: var(--mute);
}

.hangar-actions {
  position: absolute; right: 36px; bottom: 48px;
  width: 260px; text-align: right;
  z-index: 8;
}
.action-row {
  display: flex; gap: 10px; justify-content: flex-end; align-items: stretch;
}
.action-row .ghost-btn,
.action-row #btnStart {
  flex: 1; margin: 0; min-width: 0;
}
#btnStart, #btnAgain {
  pointer-events: auto;
  appearance: none;
  border: 1px solid var(--gold);
  background: rgba(196, 163, 90, 0.08);
  color: var(--paper);
  font-family: Oswald, sans-serif;
  font-size: 16px;
  letter-spacing: 0.22em;
  padding: 12px 16px;
  cursor: pointer;
  white-space: nowrap;
}
#btnStart:hover, #btnAgain:hover {
  background: var(--gold);
  color: var(--ink);
}
.hint {
  margin-top: 10px;
  max-width: none;
  margin-left: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mute);
  line-height: 1.55;
}

.hud-frame {
  position: absolute; width: 28px; height: 28px; border: 1px solid var(--line);
}
.tl { top: 18px; left: 18px; border-right: 0; border-bottom: 0; }
.tr { top: 18px; right: 18px; border-left: 0; border-bottom: 0; }
.bl { bottom: 18px; left: 18px; border-right: 0; border-top: 0; }
.br { bottom: 18px; right: 18px; border-left: 0; border-top: 0; }

.crosshair {
  position: absolute; left: 50%; top: 46%;
  width: 34px; height: 34px; transform: translate(-50%, -50%);
  opacity: 0.72;
}
.crosshair span {
  position: absolute; background: var(--paper);
}
.crosshair span:nth-child(1) { left: 15px; top: 0; width: 1px; height: 8px; }
.crosshair span:nth-child(2) { left: 15px; bottom: 0; width: 1px; height: 8px; }
.crosshair span:nth-child(3) { top: 15px; left: 0; height: 1px; width: 8px; }
.crosshair span:nth-child(4) { top: 15px; right: 0; height: 1px; width: 8px; }

.hud-left, .hud-right {
  position: absolute; top: 36px;
  display: flex; flex-direction: column; gap: 10px;
}
.hud-left { left: 36px; }
.hud-right { right: 36px; align-items: flex-end; }
.readout label, .hud-bottom {
  letter-spacing: 0.2em; font-size: 10px; color: var(--mute);
}
.readout output {
  display: block;
  font-family: Oswald, sans-serif;
  font-size: 42px;
  line-height: 0.9;
  letter-spacing: 0.04em;
}
.readout.sub output { font-size: 22px; }
.hp-bar {
  width: 160px; height: 4px; background: rgba(230,225,212,0.12);
}
.hp-bar i {
  display: block; height: 100%; width: 100%;
  background: var(--ok);
}
.hud-bottom {
  position: absolute; left: 50%; bottom: 28px;
  transform: translateX(-50%);
  display: flex; gap: 28px;
}
#radar {
  margin-top: 8px;
  width: 168px; height: 168px;
  opacity: 0.9;
  border: 1px solid var(--line);
}

.end-card {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: auto;
  min-width: 280px;
}
.end-kicker {
  letter-spacing: 0.32em; font-size: 12px; color: var(--gold);
}
.end-card h2 {
  font-family: "Noto Serif SC", serif;
  font-size: 48px;
  margin: 10px 0 12px;
}
.end-card p {
  color: var(--mute);
  letter-spacing: 0.08em;
  margin-bottom: 22px;
}
@media (max-width: 900px) {
  .mode-grid { grid-template-columns: 1fr; }
}

.mod-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px; width: 168px; margin-top: 8px;
}
.mod-cell {
  border: 1px solid var(--line); padding: 5px 6px; font-size: 10px; letter-spacing: 0.08em;
  background: rgba(12,14,11,0.45);
}
.mod-cell.ok { color: var(--ok); }
.mod-cell.bad { color: #c4a35a; }
.mod-cell.dead { color: var(--hazard); border-color: var(--hazard); }
.ammo-row { display: flex; gap: 6px; width: 168px; }
.ammo-chip {
  flex: 1; text-align: center; border: 1px solid var(--line); padding: 5px 0;
  font-size: 10px; letter-spacing: 0.06em; color: var(--mute);
}
.ammo-chip.on { border-color: var(--gold); color: var(--gold); }
.cons-row {
  display: flex; flex-direction: column; gap: 3px;
  font-size: 10px; letter-spacing: 0.08em; color: var(--mute);
}
.cons-row .gone { opacity: 0.35; text-decoration: line-through; }
.cap-bar {
  position: absolute; left: 50%; bottom: 58px; transform: translateX(-50%);
  width: 240px; height: 8px; background: rgba(230,225,212,0.12);
}
.cap-bar label {
  position: absolute; top: -16px; left: 0; right: 0; text-align: center;
  font-size: 10px; letter-spacing: 0.18em; color: var(--gold);
}
.cap-bar i { display: block; height: 100%; width: 0; background: var(--gold); }
.cap-bar.hidden, .immob.hidden { display: none; }
.immob {
  position: absolute; left: 50%; top: 22%; transform: translateX(-50%);
  letter-spacing: 0.2em; font-size: 13px; color: var(--hazard);
}
.immob.fire { top: 26%; color: #e07030; }
#floatTags { position: absolute; inset: 0; pointer-events: none; }
.tag {
  position: absolute; width: 42px; height: 4px;
  transform: translate(-50%, -120%);
  background: rgba(12,14,11,0.55);
}
.tag i { display: block; height: 100%; background: var(--ok); }
.tag.foe i { background: var(--hazard); }
.tag.pal i { background: #7a9a4e; }
.tag.me { display: none; }