/* =========================================================
   行动 HUD 样式
   纯 CSS，无外部依赖；使用 CSS 变量便于统一调整
   ========================================================= */
:root {
  --accent: #ffb020;          /* 主强调色（橙） */
  --accent-2: #ff5a2d;        /* 危险色 */
  --hp: #35d07f;              /* 生命条 */
  --armor: #4aa8ff;           /* 护甲条 */
  --panel-bg: rgba(10, 14, 18, 0.92);
  --hud-bg: rgba(8, 12, 16, 0.62);
  --text: #e8eef2;
  --muted: #8d9aa5;
  --border: rgba(255, 176, 32, 0.35);
  font-size: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #05070a;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

#app { position: fixed; inset: 0; cursor: crosshair; }
#app canvas { display: block; width: 100%; height: 100%; }

.hidden { display: none !important; }

/* =========================== HUD =========================== */
.hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

/* ---------- 左上角生命/护甲 ---------- */
.vitals {
  position: absolute;
  top: 26px;
  left: 28px;
  width: 268px;
  padding: 14px 18px 12px;
  background:
    linear-gradient(135deg, var(--hud-bg), rgba(8, 12, 16, 0.25)),
    repeating-linear-gradient(45deg, rgba(255,176,32,0.03) 0 2px, transparent 2px 6px);
  border-left: 3px solid var(--accent);
  border-top: 1px solid rgba(255,176,32,0.18);
  box-shadow: 0 4px 24px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.04);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
/* 角标 */
.vitals::after {
  content: "";
  position: absolute;
  right: 8px; top: 8px;
  width: 22px; height: 22px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  opacity: 0.55;
}
.vitals-title {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--muted);
  margin-bottom: 10px;
}
.stat-row { display: flex; align-items: baseline; justify-content: space-between; }
.stat-row.small { margin-top: 10px; }
.stat-name { font-size: 12px; letter-spacing: 2px; color: var(--muted); }
.stat-num {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 12px rgba(53, 208, 127, 0.55);
}
.bar {
  position: relative;
  height: 8px;
  margin-top: 5px;
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
}
.bar i { display: block; height: 100%; width: 100%; transition: width 0.18s ease-out; }
.bar.hp i { background: linear-gradient(90deg, #1f9c5d, var(--hp)); box-shadow: 0 0 10px rgba(53, 208, 127, 0.65); }
.bar.armor i { background: linear-gradient(90deg, #1f6bb5, var(--armor)); box-shadow: 0 0 10px rgba(74, 168, 255, 0.65); }
.bar i.low { background: linear-gradient(90deg, #a3271b, var(--accent-2)) !important; box-shadow: 0 0 12px rgba(255, 90, 45, 0.8) !important; }

/* ---------- 右上角比分 ---------- */
.score {
  position: absolute;
  top: 26px;
  right: 28px;
  display: flex;
  gap: 10px;
}
.score-item {
  min-width: 96px;
  padding: 8px 16px 10px;
  text-align: right;
  background:
    linear-gradient(180deg, var(--hud-bg), rgba(8,12,16,0.3)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 8px);
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 18px rgba(0,0,0,0.4);
}
.score-item.dim { border-top-color: rgba(255, 255, 255, 0.22); }
.score-label { display: block; font-size: 10px; letter-spacing: 3px; color: var(--muted); }
.score-value {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
}
.score-item.dim .score-value { color: #cfd8df; }

/* ---------- 右下角弹药 ---------- */
.ammo {
  position: absolute;
  right: 34px;
  bottom: 30px;
  text-align: right;
  padding: 12px 20px 10px;
  background:
    linear-gradient(225deg, var(--hud-bg), rgba(8, 12, 16, 0.2)),
    repeating-linear-gradient(-45deg, rgba(255,176,32,0.03) 0 2px, transparent 2px 6px);
  border-right: 3px solid var(--accent);
  border-bottom: 1px solid rgba(255,176,32,0.18);
  box-shadow: 0 4px 24px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.04);
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px);
  min-width: 220px;
}
.ammo::after {
  content: "";
  position: absolute;
  left: 8px; bottom: 8px;
  width: 22px; height: 22px;
  border-bottom: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  opacity: 0.55;
}
.weapon-name {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 4px;
}
.weapon-tag { font-size: 10px; color: var(--muted); letter-spacing: 1px; }
.ammo-line {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 14px rgba(255, 176, 32, 0.35);
}
#mag-value.low { color: var(--accent-2); text-shadow: 0 0 16px rgba(255, 90, 45, 0.7); }
/* 第三轮：空弹时数字红色闪烁 */
#mag-value.empty { color: #ff2b1a; text-shadow: 0 0 18px rgba(255, 40, 20, 0.95); animation: ammoEmpty 0.75s infinite; }
@keyframes ammoEmpty { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* 第三轮：弹药面板武器图标（纯 CSS 绘制，无额外资源） */
.weapon-icon {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 16px;
  margin-right: 10px;
  vertical-align: -2px;
  opacity: 0.85;
}
.weapon-icon::before,
.weapon-icon::after {
  content: "";
  position: absolute;
  background: linear-gradient(180deg, #d7dde3, #7b8794);
}
/* 枪身 */
.weapon-icon::before {
  left: 0; top: 4px;
  width: 40px; height: 7px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18% 100%, 14% 78%, 0 78%);
}
/* 弹匣 + 枪托 */
.weapon-icon::after {
  right: 2px; top: 9px;
  width: 12px; height: 7px;
  clip-path: polygon(0 0, 100% 0, 78% 100%, 10% 100%);
}
.ammo-sep { font-size: 22px; color: var(--muted); margin: 0 6px; }
#reserve-value { font-size: 22px; color: var(--muted); }
.reload-tip {
  height: 16px;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}
.reload-tip.show { opacity: 1; }
.reload-tip.blink { animation: tipBlink 0.9s infinite; }
@keyframes tipBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ---------- 准星 ---------- */
#crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0; height: 0;
  --spread: 9px;
  --len: 8px;
}
.ch-line {
  position: absolute;
  /* 第四轮：CF 经典绿色十字准星 + 黑色描边，明暗场景都清晰 */
  background: #4dde4d;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.8), 0 0 4px rgba(0, 0, 0, 0.9);
  transition: all 0.08s linear;
}
.ch-top { width: 2px; height: var(--len); left: -1px; top: calc(-1 * (var(--spread) + var(--len))); }
.ch-bottom { width: 2px; height: var(--len); left: -1px; top: var(--spread); }
.ch-left { height: 2px; width: var(--len); top: -1px; left: calc(-1 * (var(--spread) + var(--len))); }
.ch-right { height: 2px; width: var(--len); top: -1px; left: var(--spread); }
.ch-dot {
  position: absolute;
  width: 3px; height: 3px;
  left: -1.5px; top: -1.5px;
  background: #4dde4d;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.8), 0 0 4px rgba(0, 0, 0, 0.9);
}

/* 命中标记 */
#hitmarker {
  position: absolute;
  left: 0; top: 0;
  width: 26px; height: 26px;
  transform: translate(-50%, -50%);
  opacity: 0;
}
#hitmarker i {
  position: absolute;
  width: 8px; height: 2px;
  background: #fff;
  box-shadow: 0 0 6px rgba(255, 80, 60, 0.9);
}
#hitmarker i:nth-child(1) { left: 0; top: 4px; transform: rotate(45deg); }
#hitmarker i:nth-child(2) { right: 0; top: 4px; transform: rotate(-45deg); }
#hitmarker i:nth-child(3) { left: 0; bottom: 4px; transform: rotate(-45deg); }
#hitmarker i:nth-child(4) { right: 0; bottom: 4px; transform: rotate(45deg); }
#hitmarker.show { animation: hitPop 0.26s ease-out; }
#hitmarker.kill i { background: var(--accent-2); width: 10px; }
/* 第三轮：爆头命中金色标记 */
#hitmarker.head i { background: #ffd24a; box-shadow: 0 0 8px rgba(255, 200, 60, 0.95); }
@keyframes hitPop {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(0.6); }
  40% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
}

/* 受击暗角 */
#damage-vignette {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 38%, rgba(180, 12, 12, 0.55) 78%, rgba(120, 0, 0, 0.92) 100%);
  transition: opacity 0.35s ease-out;
}
#damage-vignette.show { opacity: 1; transition-duration: 0.06s; }

/* 第三轮：悬浮击杀文字 */
#kill-popup {
  position: absolute;
  left: 50%;
  top: calc(50% + 96px);
  transform: translate(-50%, 0);
  padding: 4px 26px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 6px;
  color: #fff;
  background: linear-gradient(90deg, transparent, rgba(200, 30, 20, 0.55), transparent);
  text-shadow: 0 0 14px rgba(255, 60, 40, 0.9);
  opacity: 0;
  pointer-events: none;
}
#kill-popup.show { animation: killPop 1.1s ease-out forwards; }
#kill-popup.headshot { color: #ffd24a; text-shadow: 0 0 16px rgba(255, 190, 40, 0.95); }
@keyframes killPop {
  0% { opacity: 0; transform: translate(-50%, 14px) scale(0.8); }
  18% { opacity: 1; transform: translate(-50%, 0) scale(1.12); }
  32% { transform: translate(-50%, 0) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -22px) scale(1); }
}

/* 第三轮：开局操作提示，3 秒后自动淡出 */
.tips {
  position: absolute;
  left: 50%;
  top: 76px;
  transform: translateX(-50%);
  padding: 12px 22px;
  text-align: center;
  background: rgba(8, 12, 16, 0.62);
  border: 1px solid rgba(255, 176, 32, 0.22);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  transition: opacity 0.8s ease-out;
}
.tips.hide { opacity: 0; }
.tips-title { font-size: 11px; letter-spacing: 5px; color: var(--accent); margin-bottom: 6px; }
.tips-row { font-size: 12px; line-height: 1.9; color: #d5dee5; letter-spacing: 1px; }
.tips-row b { color: var(--accent); font-family: "Consolas", monospace; }
.tips-row.dim { color: var(--muted); font-size: 11px; }

/* 第三轮：FPS 调试面板（按 O 切换） */
.fps-panel {
  position: fixed;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  z-index: 40;
  padding: 4px 14px;
  font: 12px/1.4 "Consolas", monospace;
  letter-spacing: 1px;
  color: #9fe8ff;
  background: rgba(0, 0, 0, 0.62);
  border: 1px solid rgba(120, 200, 255, 0.35);
  pointer-events: none;
}

/* 击杀播报 */
#killfeed {
  position: absolute;
  top: 110px;
  right: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.kill-line {
  padding: 5px 12px;
  font-size: 12px;
  letter-spacing: 1px;
  color: #fff;
  background: rgba(10, 14, 18, 0.8);
  border-right: 3px solid var(--accent);
  animation: killIn 0.28s ease-out;
}
.kill-line b { color: var(--accent); }
.kill-line.fade { opacity: 0; transition: opacity 0.4s; }
@keyframes killIn { from { transform: translateX(24px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 换弹进度条 */
#reload-bar {
  position: absolute;
  left: 50%;
  top: calc(50% + 42px);
  width: 190px;
  height: 5px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
#reload-bar i { display: block; height: 100%; width: 0%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* 受击伤害数字 */
.damage-num {
  position: absolute;
  left: 50%;
  top: calc(50% + 84px);
  transform: translateX(-50%);
  font-family: "Consolas", "Courier New", monospace;
  font-size: 20px;
  font-weight: 700;
  color: #ff4a33;
  text-shadow: 0 0 12px rgba(255, 40, 20, 0.8);
  animation: dmgFloat 0.85s ease-out forwards;
  pointer-events: none;
}
@keyframes dmgFloat {
  0% { opacity: 0.2; transform: translate(-50%, 6px) scale(0.8); }
  20% { opacity: 1; transform: translate(-50%, 0) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -34px) scale(1); }
}

/* =========================== 遮罩层 =========================== */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 40%, rgba(30, 38, 46, 0.55), rgba(3, 5, 8, 0.96) 72%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 3px);
  backdrop-filter: blur(3px);
}
.panel {
  position: relative;
  width: min(860px, 92vw);
  /* 矮屏（1280×576 这类）上面板会顶出视口，允许内部滚动而不是被裁掉 */
  max-height: calc(100vh - 24px);
  overflow-y: auto;
  padding: 44px 52px 38px;
  background: linear-gradient(160deg, rgba(20, 25, 30, 0.96), rgba(9, 12, 15, 0.98));
  border: 1px solid rgba(255, 176, 32, 0.28);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.7), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.panel::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 90px; height: 3px;
  background: var(--accent);
}
.small-panel { width: min(520px, 92vw); text-align: center; padding: 40px 46px; }

.game-title {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: 14px;
  color: #fff;
  text-shadow: 0 0 34px rgba(255, 176, 32, 0.32);
}
.game-sub {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 7px;
  color: var(--accent);
  text-transform: uppercase;
}

/* =========================== 待机大厅 =========================== */
.lobby-panel { width: min(1080px, 95vw); padding: 30px 34px 26px; }

/* 宽屏：大厅面板靠左，右侧留给 3D 待机角色 */
@media (min-width: 1100px) {
  #menu.overlay {
    justify-content: flex-start;
    padding-left: clamp(16px, 3vw, 54px);
    background:
      linear-gradient(100deg,
        rgba(3, 5, 8, 0.97) 0%,
        rgba(4, 7, 10, 0.95) 44%,
        rgba(4, 7, 10, 0.58) 60%,
        rgba(4, 7, 10, 0.18) 74%,
        rgba(4, 7, 10, 0.04) 100%),
      repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 3px);
    backdrop-filter: none;
  }
  #menu .lobby-panel { width: min(1040px, 58vw); }
}
.lobby-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.lobby-head .game-title { font-size: clamp(26px, 3.4vw, 42px); letter-spacing: 9px; }
.lobby-head .game-sub { margin-top: 4px; font-size: 11px; letter-spacing: 5px; }
.lobby-res { display: flex; gap: 18px; flex-shrink: 0; }
.res-item { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); }
.res-item b { color: #fff; font-size: 15px; letter-spacing: 1px; }
.res-dot { width: 9px; height: 9px; display: inline-block; border-radius: 50%; }
.res-dot.core { background: #7fd17f; box-shadow: 0 0 9px rgba(127, 209, 127, 0.7); }
.res-dot.coin { background: var(--accent); box-shadow: 0 0 9px rgba(255, 176, 32, 0.7); }
.res-dot.rep { background: #6fb6ff; box-shadow: 0 0 9px rgba(111, 182, 255, 0.7); }

.lobby-body { display: grid; grid-template-columns: 148px 1fr; gap: 24px; margin-top: 22px; }
.lobby-nav { display: flex; flex-direction: column; gap: 6px; }
.nav-item {
  pointer-events: auto;
  padding: 13px 14px;
  text-align: left;
  font-size: 13px;
  letter-spacing: 2px;
  color: #9fb0bd;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.nav-item:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-item.active {
  color: var(--accent);
  background: rgba(255, 176, 32, 0.08);
  border-left-color: var(--accent);
  border-color: rgba(255, 176, 32, 0.18);
}
.lobby-main { min-width: 0; }
.tab-page { display: none; }
.tab-page.active { display: block; animation: tabIn 0.18s ease-out; }
@keyframes tabIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.mode-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 20px; }
.mode-card {
  position: relative;
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: border-color 0.18s, background 0.18s;
}
.mode-card[data-mode] { cursor: pointer; }
.mode-card[data-mode]:hover { border-color: rgba(255, 176, 32, 0.35); background: rgba(255, 176, 32, 0.05); }
.mode-card.active { border-color: rgba(255, 176, 32, 0.5); background: rgba(255, 176, 32, 0.07); }
.mode-card.locked { opacity: 0.55; }
.mode-card h3 { font-size: 17px; letter-spacing: 3px; color: #fff; margin-bottom: 8px; }
.mode-card p { font-size: 12px; line-height: 1.75; color: #b9c6d0; }
.mode-card .mode-meta { margin-top: 10px; font-size: 11px; letter-spacing: 2px; color: var(--accent); }
.mode-card.locked .mode-meta { color: var(--muted); }
.mode-badge {
  position: absolute;
  top: 0; right: 0;
  padding: 4px 12px;
  font-size: 10px;
  letter-spacing: 2px;
  color: #0b0f12;
  background: var(--accent);
}
.mode-badge.lock { background: #6d7c88; color: #e8eef2; }

.lobby-cols { display: grid; grid-template-columns: 1fr 1.15fr; gap: 30px; margin-bottom: 22px; }
.lobby-block h3,
.menu-block h3 {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--muted);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 14px;
}

.mech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mech-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.mech-card.locked { opacity: 0.6; }
.mech-card h3 { font-size: 15px; letter-spacing: 2px; color: #fff; margin-bottom: 8px; }
.mech-card p { font-size: 12px; line-height: 1.7; color: #b9c6d0; min-height: 58px; }
.mech-card p b { color: var(--accent); }
.mech-state {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.talent-branches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.talent-branch {
  padding: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.talent-branch h3 { font-size: 15px; letter-spacing: 3px; color: var(--accent); margin-bottom: 14px; }
.talent-nodes { display: flex; gap: 8px; margin-bottom: 12px; }
.talent-nodes i {
  width: 22px; height: 22px;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
  transform: rotate(45deg);
}
.talent-desc { font-size: 12px; color: var(--muted); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat-cell {
  padding: 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.stat-cell span { display: block; font-size: 11px; letter-spacing: 2px; color: var(--muted); margin-bottom: 8px; }
.stat-cell b { font-size: 26px; color: #fff; }

.key-list { list-style: none; display: grid; gap: 9px; }
.key-list li { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.key-list b {
  min-width: 108px;
  padding: 4px 8px;
  font-family: "Consolas", monospace;
  font-size: 12px;
  text-align: center;
  color: var(--accent);
  border: 1px solid rgba(255, 176, 32, 0.35);
  background: rgba(255, 176, 32, 0.06);
}
.key-list span { color: #c8d2da; }

/* =========================== 设置页 =========================== */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.settings-block {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.settings-block h3 {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--muted);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 12px;
}
.settings-head { display: flex; align-items: center; justify-content: space-between; }
.settings-head h3 { flex: 1; border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.setting-row {
  display: grid;
  grid-template-columns: 96px 1fr 58px;
  align-items: center;
  gap: 12px;
  margin: 14px 0;
  font-size: 12px;
  color: #c8d2da;
  cursor: pointer;
}
.setting-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.16);
  outline: none;
  cursor: pointer;
}
.setting-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255, 176, 32, 0.6);
}
.setting-row input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
}
.setting-row b {
  font-family: "Consolas", monospace;
  font-size: 12px;
  color: var(--accent);
  text-align: right;
}
.setting-hint { margin-top: 12px; font-size: 11px; line-height: 1.7; color: var(--muted); }
.key-list.compact { gap: 7px; }
.key-list.compact li { font-size: 12px; gap: 10px; }
.key-list.compact b { min-width: 118px; font-size: 11px; }

.bind-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 26px; margin-top: 14px; }
.bind-group h4 { font-size: 11px; letter-spacing: 3px; color: var(--accent); margin-bottom: 6px; }
.bind-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
  font-size: 12px;
  color: #c8d2da;
}
.bind-key {
  pointer-events: auto;
  min-width: 96px;
  padding: 4px 10px;
  font-family: "Consolas", monospace;
  font-size: 11px;
  text-align: center;
  color: var(--accent);
  background: rgba(255, 176, 32, 0.06);
  border: 1px solid rgba(255, 176, 32, 0.3);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.bind-key:hover { background: rgba(255, 176, 32, 0.14); }
.bind-key.listening {
  color: #0b0f12;
  background: var(--accent);
  border-color: #fff;
  animation: bindPulse 0.65s infinite alternate;
}
@keyframes bindPulse { from { opacity: 0.7; } to { opacity: 1; } }
.btn.mini { width: auto; margin: 0; padding: 6px 14px; font-size: 11px; letter-spacing: 2px; }

/* =========================== 军械库（改装） =========================== */
/* ---------------- 任务奖励 ---------------- */
.mission-head-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.mission-head-row h3 { margin: 0; border-bottom: none; padding-bottom: 0; }
.mission-head-row .muted { font-size: 11px; }
.mission-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mission-card {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid rgba(111, 182, 255, 0.55);
}
.mission-card.done { border-left-color: var(--accent); background: rgba(255, 176, 32, 0.06); }
.mission-card.claimed { opacity: 0.55; border-left-color: rgba(255, 255, 255, 0.2); }
.mission-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.mission-head h4 { font-size: 14px; letter-spacing: 2px; color: #fff; }
.mission-head span { font-family: "Consolas", monospace; font-size: 12px; color: var(--accent); }
.mission-card p { margin: 8px 0 10px; font-size: 12px; color: #c8d2da; line-height: 1.6; }
.mission-bar { height: 5px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
.mission-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), #ffe08a); transition: width 0.25s ease-out; }
.mission-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 12px; }
.mission-reward { font-size: 11px; color: var(--muted); }
.mission-feedback {
  min-height: 18px; margin-top: 12px; font-size: 12px; color: var(--accent);
  opacity: 0; transition: opacity 0.18s ease-out;
}
.mission-feedback.show { opacity: 1; }
.result-rewards { margin: 10px 0 4px; font-size: 12px; color: #ffd27a; letter-spacing: 1px; }

.armory-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.armory-weapons { display: flex; flex-wrap: wrap; gap: 8px; }
.armory-weapon {
  pointer-events: auto;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #c8d2da;
  font-size: 12px;
  letter-spacing: 2px;
  cursor: pointer;
}
.armory-weapon:hover { border-color: rgba(255, 176, 32, 0.5); }
.armory-weapon.active { color: #0b0f12; background: var(--accent); border-color: var(--accent); }
.armory-body { display: grid; grid-template-columns: 240px 1fr; gap: 16px; }
.armory-info {
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  align-self: start;
}
.armory-info h3 {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--muted);
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.armory-stat { display: flex; justify-content: space-between; padding: 6px 0; font-size: 12px; color: #c8d2da; border-bottom: 1px dashed rgba(255, 255, 255, 0.07); }
.armory-stat b { color: var(--accent); font-family: "Consolas", monospace; }
.armory-slots { display: grid; grid-template-columns: 1fr; gap: 10px; }
.armory-slot { padding: 10px 14px; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.09); }
.armory-slot-head { display: flex; align-items: baseline; justify-content: space-between; font-size: 12px; }
.armory-slot-head b { color: var(--accent); letter-spacing: 3px; }
.armory-slot-head span { font-size: 11px; color: var(--muted); }
.armory-options { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 9px; }
.armory-option {
  pointer-events: auto;
  text-align: left;
  padding: 6px 11px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #c8d2da;
  font-size: 11px;
  cursor: pointer;
}
.armory-option b { display: block; letter-spacing: 1px; }
.armory-option small { display: block; margin-top: 2px; font-size: 10px; color: var(--muted); }
.armory-option:hover { border-color: rgba(255, 176, 32, 0.5); }
.armory-option.active { color: var(--accent); border-color: var(--accent); background: rgba(255, 176, 32, 0.1); }

/* =========================== 开镜 / 弹种 =========================== */
.ammo-type {
  margin-top: 3px;
  font-family: "Consolas", monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-align: right;
  color: #ffd27a;
}
#crosshair.aiming .ch-line { opacity: 0; }
#crosshair.aiming .ch-dot { width: 3px; height: 3px; opacity: 0.95; }

.scope-overlay {
  position: fixed;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 33vh, rgba(0, 0, 0, 0.94) 33.3vh),
    radial-gradient(circle at center, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 98%, rgba(0, 0, 0, 1) 100%);
}
.scope-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent calc(50% - 0.5px), rgba(0, 0, 0, 0.55) 50%, transparent calc(50% + 0.5px));
}
.scope-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, transparent calc(50% - 0.5px), rgba(0, 0, 0, 0.55) 50%, transparent calc(50% + 0.5px));
}

.ammo-wheel {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 440px;
  max-width: 86vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px;
  z-index: 8;
  background: rgba(8, 12, 16, 0.82);
  border: 1px solid rgba(255, 176, 32, 0.35);
  backdrop-filter: blur(4px);
}
.ammo-wheel.hidden { display: none; }
.ammo-wheel-item {
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.ammo-wheel-item b { display: block; font-size: 14px; letter-spacing: 2px; }
.ammo-wheel-item span { display: block; margin-top: 4px; font-size: 11px; color: var(--muted); }
.ammo-wheel-item.active {
  border-color: currentColor;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 14px rgba(255, 176, 32, 0.35);
}


.brief { font-size: 13px; line-height: 1.9; color: #c8d2da; }
.brief b { color: var(--accent); }
.tip { margin-top: 14px; font-size: 12px; line-height: 1.7; color: var(--muted); }

.btn {
  pointer-events: auto;
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 15px 22px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 6px;
  color: #0b0f12;
  background: linear-gradient(90deg, #ffc44d, var(--accent));
  border: none;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: filter 0.15s, transform 0.15s;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
/* 次级按钮：返回主菜单这类"退出"动作，别和主行动抢同一个橙色 */
.btn.ghost {
  color: #c9d5de;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-weight: 500;
}
.btn.ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn:active { transform: translateY(1px); filter: brightness(0.95); }
.menu-foot { margin-top: 16px; text-align: center; font-size: 11px; color: var(--muted); letter-spacing: 1px; }

/* 加载面板 */
.loading-panel { text-align: center; }
.loading-panel .game-title { font-size: clamp(32px, 5vw, 52px); }
.loading-bar {
  width: min(420px, 70vw);
  height: 6px;
  margin: 34px auto 12px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}
.loading-bar i {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #8a5b00, var(--accent));
  box-shadow: 0 0 12px rgba(255, 176, 32, 0.7);
  transition: width 0.25s;
}
.loading-text { font-size: 13px; letter-spacing: 2px; color: var(--text); }
.loading-hint { margin-top: 8px; font-size: 11px; color: var(--muted); }

/* 暂停 / 死亡 */
.small-panel h2 { font-size: 26px; letter-spacing: 8px; margin-bottom: 10px; }
.death-panel h2 { color: var(--accent-2); text-shadow: 0 0 24px rgba(255, 90, 45, 0.5); }
.muted { font-size: 13px; color: var(--muted); letter-spacing: 1px; margin-bottom: 22px; }
.muted b { color: var(--accent); }

/* 暂停面板内的按键列表 */
.pause-keys {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: left;
}
.pause-keys h3 {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--muted);
  margin-bottom: 10px;
}
.pause-keys .key-list li { font-size: 12px; gap: 10px; }
.pause-keys .key-list b { min-width: 88px; font-size: 11px; padding: 3px 6px; }

/* ===================== 波次 HUD（v0.2） ===================== */
.wave-hud {
  position: absolute;
  left: 50%;
  top: 22px;
  transform: translateX(-50%);
  min-width: 168px;
  padding: 8px 20px 9px;
  text-align: center;
  background: linear-gradient(180deg, rgba(8, 12, 16, 0.78), rgba(8, 12, 16, 0.3));
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid rgba(255, 176, 32, 0.18);
  box-shadow: 0 6px 26px rgba(0, 0, 0, 0.45);
  clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 100%, 0 100%);
}
.wave-line {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  font-family: "Consolas", "Courier New", monospace;
  line-height: 1;
}
.wave-line b { font-size: 24px; font-weight: 700; color: #fff; text-shadow: 0 0 14px rgba(255, 176, 32, 0.55); }
.wave-label { font-size: 11px; letter-spacing: 2px; color: var(--muted); }
.wave-remain-line {
  margin-top: 5px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
}
.wave-remain-line b { color: var(--accent); font-family: "Consolas", monospace; font-size: 13px; }
.wave-hud.final { border-top-color: var(--accent-2); }
.wave-hud.final .wave-line b { color: var(--accent-2); text-shadow: 0 0 16px rgba(255, 90, 45, 0.7); }

/* 局内任务目标（左侧生命面板下方，避开开局操作提示） */
.mission-objective {
  position: absolute;
  left: 28px;
  top: 150px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 6px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(8, 12, 16, 0.7), rgba(8, 12, 16, 0.25));
  border-left: 3px solid var(--accent);
  border-top: 1px solid rgba(255, 176, 32, 0.2);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
}
.mission-obj-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent);
}
.mission-obj-name {
  color: #fff;
  font-weight: 600;
}
.mission-obj-progress b {
  color: var(--accent);
  font-family: "Consolas", monospace;
  font-size: 13px;
}

/* 波次横幅 */
.wave-banner {
  position: fixed;
  left: 50%;
  /* 开局操作提示占据上方 76~200px，横幅必须避开它，否则两段文字叠在一起 */
  top: 44%;
  z-index: 20;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  opacity: 0;
}
.wave-banner b {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 12px;
  color: #fff;
  text-shadow: 0 0 30px rgba(255, 176, 32, 0.55), 0 4px 18px rgba(0, 0, 0, 0.8);
}
.wave-banner span {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}
.wave-banner.show { animation: bannerIn 2.6s ease-out forwards; }
@keyframes bannerIn {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(1.14); }
  12% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  74% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -58%) scale(1.02); }
}

/* ===================== 结算面板（v0.2） ===================== */
.result-panel {
  width: min(600px, 92vw);
  text-align: center;
  padding: 30px 44px 26px;
}
.result-kicker {
  font-size: 11px;
  letter-spacing: 7px;
  color: var(--accent);
  margin-bottom: 6px;
}
.result-title {
  font-size: clamp(28px, 4.4vw, 40px);
  font-weight: 800;
  letter-spacing: 10px;
  color: #fff;
}
#result.lose .result-title { color: var(--accent-2); text-shadow: 0 0 30px rgba(255, 90, 45, 0.45); }
#result.win .result-title { text-shadow: 0 0 34px rgba(255, 176, 32, 0.4); }

.result-grade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 82px;
  height: 82px;
  margin: 14px 0 4px;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 54px;
  font-weight: 800;
  line-height: 1;
  color: #0b0f12;
  background: linear-gradient(135deg, #ffd97a, var(--accent));
  clip-path: polygon(50% 0, 100% 26%, 100% 74%, 50% 100%, 0 74%, 0 26%);
  box-shadow: 0 0 42px rgba(255, 176, 32, 0.35);
}
.result-grade[data-grade="S"] { background: linear-gradient(135deg, #ffe9a8, #ffb020 55%, #ff8a1e); box-shadow: 0 0 56px rgba(255, 190, 60, 0.6); }
.result-grade[data-grade="A"] { background: linear-gradient(135deg, #d7f0ff, #7ec4f0); box-shadow: 0 0 42px rgba(120, 200, 255, 0.45); }
.result-grade[data-grade="B"] { background: linear-gradient(135deg, #e6eef3, #a9bac7); box-shadow: 0 0 30px rgba(180, 200, 215, 0.3); }
.result-grade[data-grade="C"] { background: linear-gradient(135deg, #d8b7a8, #a97c66); box-shadow: 0 0 24px rgba(170, 120, 95, 0.3); }

.result-score {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 20px;
}
.result-score b {
  display: inline-block;
  margin-left: 8px;
  font-family: "Consolas", monospace;
  font-size: 22px;
  color: #fff;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: 22px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.result-cell {
  padding: 10px 6px 9px;
  background: rgba(10, 14, 18, 0.82);
}
.result-cell span {
  display: block;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--muted);
  margin-bottom: 6px;
}
.result-cell b {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 21px;
  font-weight: 700;
  color: #fff;
}
#result .btn { margin-top: 10px; }

/* ===================== 补给拾取提示（v0.3） ===================== */
#supply-toast {
  position: absolute;
  right: 28px;
  top: 42%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  opacity: 0;
  transform: translateX(14px);
  pointer-events: none;
}
#supply-toast b {
  font-size: 15px;
  letter-spacing: 3px;
  color: #ffe6a8;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85);
}
#supply-toast span {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85);
}
#supply-toast.show { animation: supplyToast 1.8s ease-out forwards; }
@keyframes supplyToast {
  0% { opacity: 0; transform: translateX(14px); }
  12% { opacity: 1; transform: translateX(0); }
  78% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(-8px); }
}

/* ===================== 守城模式 HUD ===================== */
.defense-status {
  position: absolute;
  left: 50%;
  top: 92px;
  transform: translateX(-50%);
  width: 240px;
  padding: 8px 12px 9px;
  background: linear-gradient(180deg, rgba(8, 12, 16, 0.82), rgba(8, 12, 16, 0.34));
  border-top: 1px solid rgba(95, 230, 204, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  clip-path: polygon(8px 0, calc(100% - 8px) 0, 100% 100%, 0 100%);
}
.core-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 5px;
}
.core-row b {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 15px;
  color: #7fe8d0;
}
.defense-status .bar.core { border-color: rgba(95, 230, 204, 0.35); }
.defense-status .bar.core i {
  background: linear-gradient(90deg, #1f8f7d, #5fe6cc);
  box-shadow: 0 0 10px rgba(95, 230, 204, 0.6);
}
.defense-status.danger .bar.core i {
  background: linear-gradient(90deg, #a3271b, var(--accent-2));
  box-shadow: 0 0 12px rgba(255, 90, 45, 0.8);
}
.defense-status.danger .core-row b { color: var(--accent-2); }
.gold-row {
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
}
.gold-row b {
  font-family: "Consolas", monospace;
  font-size: 14px;
  color: var(--accent);
}

.interact-tip {
  position: absolute;
  left: 50%;
  bottom: 21%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 14px;
  background: rgba(8, 12, 16, 0.78);
  border: 1px solid rgba(255, 176, 32, 0.35);
  pointer-events: none;
}
.interact-tip b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  font-size: 11px;
  color: #0b0f12;
  background: var(--accent);
  border-radius: 2px;
}
.interact-tip span { font-size: 12px; letter-spacing: 2px; color: #f3e6c8; }

.special-panel {
  position: absolute;
  left: 28px;
  bottom: 24%;
  width: 190px;
  padding: 9px 12px 10px;
  background: linear-gradient(180deg, rgba(8, 12, 16, 0.86), rgba(8, 12, 16, 0.4));
  border-left: 3px solid var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.special-name { font-size: 12px; letter-spacing: 3px; color: var(--accent); }
.special-ammo {
  margin-top: 4px;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 20px;
  color: #fff;
}
.special-heat {
  height: 4px;
  margin-top: 7px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.special-heat i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ffcf6a, var(--accent-2));
  transition: width 0.1s linear;
}
.special-hint { margin-top: 6px; font-size: 10px; letter-spacing: 2px; color: var(--muted); }
.special-panel.overheat { border-left-color: var(--accent-2); }
.special-panel.overheat .special-hint { color: var(--accent-2); }

/* 波间商店 */
.shop-panel { width: min(760px, 92vw); text-align: left; }
.shop-panel h2 {
  font-size: 27px;
  letter-spacing: 9px;
  margin: 6px 0 8px;
  color: #fff;
}
.shop-sub { font-size: 12px; letter-spacing: 2px; color: var(--muted); }
.shop-gold {
  margin: 12px 0 10px;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--muted);
}
.shop-gold b {
  font-family: "Consolas", monospace;
  font-size: 22px;
  color: var(--accent);
}
.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-height: 46vh;
  overflow-y: auto;
}
.shop-card {
  display: flex;
  flex-direction: column;
  padding: 11px 12px 10px;
  background: rgba(18, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 2px solid rgba(255, 176, 32, 0.45);
}
.shop-card.disabled { opacity: 0.45; border-top-color: rgba(255, 255, 255, 0.1); }
.shop-card h3 { font-size: 14px; letter-spacing: 3px; color: #fff; }
.shop-card p {
  flex: 1;
  margin: 6px 0 10px;
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
}
.shop-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 9px;
}
.shop-cost { font-family: "Consolas", monospace; font-size: 12px; color: var(--accent); }
.shop-tip { font-size: 10px; color: var(--muted); text-align: right; }
.shop-buy { width: 100% !important; }
.shop-feedback {
  min-height: 20px;
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
}

/* 大厅：物资交易所 / 科研所 */
.exchange-block { margin-bottom: 18px; }
.exchange-block h4 {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
}
.research-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-height: 56vh;
  overflow-y: auto;
}
.research-card {
  padding: 12px 14px;
  background: rgba(18, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-left: 3px solid var(--accent);
}
.research-card.locked { opacity: 0.6; }
.research-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.research-head h3 { font-size: 14px; letter-spacing: 2px; color: #fff; }
.research-lv { font-family: "Consolas", monospace; color: var(--accent); font-size: 12px; }
.research-desc { margin: 6px 0 4px; font-size: 11px; line-height: 1.6; color: var(--muted); }
.research-need { margin: 0 0 10px; font-size: 11px; line-height: 1.6; color: #b9c6d0; }
.armory-slot.locked { opacity: 0.75; }
.armory-lock-hint { margin: 9px 0; font-size: 11px; color: var(--muted); }
.armory-option.uncrafted { border-style: dashed; opacity: 0.8; }
.armory-option.uncrafted b { color: var(--muted); }

/* 小屏适配 */
@media (max-width: 720px) {
  .vitals { width: 210px; top: 16px; left: 16px; padding: 10px 12px; }
  .stat-num { font-size: 24px; }
  .score { top: 16px; right: 16px; }
  .score-item { min-width: 74px; padding: 6px 10px; }
  .ammo { right: 16px; bottom: 18px; min-width: 170px; padding: 10px 14px; }
  .ammo-line { font-size: 34px; }
  .menu-cols { grid-template-columns: 1fr; gap: 22px; }
  /* 大厅：竖排导航 + 单列卡片 */
  .lobby-panel { padding: 22px 16px; }
  .lobby-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .lobby-body { grid-template-columns: 1fr; gap: 14px; }
  .lobby-nav { flex-direction: row; flex-wrap: wrap; }
  .research-list { grid-template-columns: 1fr; }
  .nav-item { flex: 1 1 auto; text-align: center; border-left: 1px solid transparent; border-bottom: 3px solid transparent; padding: 10px; font-size: 12px; }
  .nav-item.active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .mode-cards,
  .lobby-cols,
  .mech-grid,
  .talent-branches { grid-template-columns: 1fr; }
  .settings-grid,
  .bind-groups { grid-template-columns: 1fr; }
  .armory-body { grid-template-columns: 1fr; }
  .mission-list { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .panel { padding: 30px 24px; }
  .game-title { letter-spacing: 8px; }
  .wave-hud { top: 12px; min-width: 132px; padding: 6px 14px 7px; }
  .wave-line b { font-size: 20px; }
  .mission-objective { top: 134px; left: 16px; font-size: 11px; padding: 4px 10px 5px; }
  .result-panel { padding: 28px 20px 24px; }
  .result-grade { width: 74px; height: 74px; font-size: 42px; margin: 14px 0 4px; }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
  .result-cell b { font-size: 18px; }
}

/* =========================== 局外成长（局内 TAB 面板） =========================== */
.growth-panel {
  position: fixed; inset: 0; z-index: 30;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4, 6, 9, 0.72);
  backdrop-filter: blur(3px);
}
.growth-card {
  width: min(880px, 92vw); max-height: 86vh; overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--panel-bg); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  padding: 20px 22px 18px;
}
.growth-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.growth-kicker { font-size: 11px; letter-spacing: 0.28em; color: var(--muted); }
.growth-title { font-size: 22px; letter-spacing: 0.08em; margin-top: 2px; }
.growth-head-right { display: flex; align-items: center; gap: 12px; }
.growth-lv { color: var(--accent); font-size: 13px; font-weight: 700; }
.growth-tabs { display: flex; gap: 8px; margin: 16px 0 14px; }
.growth-tab {
  padding: 7px 18px; border-radius: 6px; cursor: pointer;
  background: rgba(255, 255, 255, 0.04); color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08); font-size: 13px;
}
.growth-tab.active { color: var(--accent); border-color: var(--border); background: rgba(255, 176, 32, 0.12); }
.growth-body { flex: 1; overflow-y: auto; min-height: 260px; }
.growth-hint { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.growth-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.growth-card-item {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.growth-card-item.locked { opacity: 0.78; border-style: dashed; }
.growth-item-title { font-size: 14px; font-weight: 700; letter-spacing: 0.04em; }
.growth-item-desc { font-size: 12px; color: var(--muted); line-height: 1.55; }
.growth-action { margin-top: auto; font-size: 12px; padding: 7px 10px; }
.growth-action:disabled { opacity: 0.45; cursor: default; }
.talent-pips { display: flex; gap: 5px; }
.talent-pip { width: 100%; height: 5px; border-radius: 2px; background: rgba(255, 255, 255, 0.12); }
.talent-pip.on { background: var(--accent); box-shadow: 0 0 8px rgba(255, 176, 32, 0.5); }

/* ---------- 局内机甲状态 ---------- */
.mech-status {
  position: fixed; left: 50%; bottom: 88px; transform: translateX(-50%);
  width: 240px; z-index: 12; pointer-events: none;
  padding: 10px 12px; border-radius: 8px;
  background: var(--hud-bg); border: 1px solid var(--border);
  text-align: center;
}
.mech-name { font-size: 13px; letter-spacing: 0.12em; color: var(--accent); }
.mech-bar { height: 5px; margin: 7px 0 6px; border-radius: 3px; overflow: hidden; background: rgba(255, 255, 255, 0.14); }
.mech-bar i { display: block; height: 100%; background: var(--accent); transform-origin: left center; transition: transform 0.1s linear; }
.mech-info { font-size: 11px; color: var(--muted); }
.mech-status.danger { border-color: var(--accent-2); }
.mech-status.danger .mech-name { color: var(--accent-2); }
.mech-status.danger .mech-bar i { background: var(--accent-2); }

/* =========================== 大厅成长页 =========================== */
.mech-cost { font-size: 12px; color: var(--muted); }
.mech-card.locked { border-style: dashed; }
.talent-nodes i { background: rgba(255, 255, 255, 0.14); border-radius: 2px; height: 5px; flex: 1; }
.talent-nodes i.on { background: var(--accent); box-shadow: 0 0 8px rgba(255, 176, 32, 0.5); }
.talent-up { margin-top: 8px; font-size: 12px; padding: 6px 10px; }
.talent-up:disabled { opacity: 0.45; cursor: default; }
.growth-block {
  margin-bottom: 18px; padding: 14px 16px; border-radius: 8px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.07);
}
.growth-lv-row { display: flex; align-items: center; gap: 18px; font-size: 13px; }
.growth-lv-row b { color: var(--accent); }
.growth-attr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 12px; }
.growth-attr {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 9px 10px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
}
.growth-attr-name { font-size: 12px; }
.growth-attr-name b { color: var(--accent); }
.growth-attr-desc { flex: 1 1 100%; font-size: 11px; color: var(--muted); }
.growth-attr-add { margin-left: auto; font-size: 12px; padding: 4px 10px; }
.growth-attr-add:disabled { opacity: 0.4; cursor: default; }
.growth-tip {
  font-size: 11px; color: var(--accent); opacity: 0; transition: opacity 0.2s ease;
}
.growth-tip.show { opacity: 1; }