/* ===== 全局 ===== */
:root {
  --bg: #0d1016;
  --panel: #171c25;
  --panel2: #1f2632;
  --accent: #ff5a2a;
  --accent2: #2f8fff;
  --text: #e8eef4;
  --dim: #8a97a5;
  --line: rgba(255, 255, 255, 0.12);
}

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

html, body {
  height: 100%;
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body.game-body { overflow: hidden; }

a { text-decoration: none; }

/* ===== 菜单页 ===== */
.menu-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 25%, rgba(47, 143, 255, 0.14), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(255, 90, 42, 0.12), transparent 55%),
    var(--bg);
}

.title {
  font-size: 54px;
  font-weight: 900;
  letter-spacing: 6px;
  text-transform: uppercase;
  background: linear-gradient(180deg, #ffffff, #9fb6cc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 40px rgba(47, 143, 255, 0.35);
  user-select: none;
}

.subtitle { color: var(--dim); letter-spacing: 8px; font-size: 14px; margin-top: -14px; user-select: none; }

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 260px;
  margin-top: 14px;
}

.btn {
  display: block;
  width: 100%;
  padding: 14px 20px;
  font-size: 18px;
  letter-spacing: 3px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s, background .15s;
}

.btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 90, 42, 0.25);
}

.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { box-shadow: 0 8px 24px rgba(255, 90, 42, 0.45); }
.btn.secondary { background: var(--accent2); border-color: var(--accent2); color: #fff; }
.btn.secondary:hover { box-shadow: 0 8px 24px rgba(47, 143, 255, 0.45); }

.help {
  color: var(--dim);
  font-size: 13px;
  max-width: 480px;
  text-align: center;
  line-height: 2;
  letter-spacing: 1px;
}

.help kbd {
  display: inline-block;
  padding: 1px 7px;
  margin: 0 2px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--panel2);
  font-family: inherit;
  font-size: 12px;
  color: #fff;
}

/* ===== 设置页 ===== */
.settings-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 30%, rgba(47, 143, 255, 0.10), transparent 55%),
    var(--bg);
}

.settings-panel {
  width: 440px;
  max-width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-panel h2 { text-align: center; letter-spacing: 3px; font-size: 22px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field label { color: var(--dim); font-size: 13px; letter-spacing: 1px; }
.field .row { display: flex; align-items: center; gap: 12px; }
.field input[type=range] { flex: 1; accent-color: var(--accent); }
.field .val { min-width: 48px; text-align: right; color: #fff; font-variant-numeric: tabular-nums; }
.field select { padding: 9px 10px; background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; }

.switch { flex-direction: row; align-items: center; justify-content: space-between; }
.switch input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent); cursor: pointer; }

.settings-actions { display: flex; gap: 12px; }
.settings-actions .btn { flex: 1; }

/* ===== 游戏 HUD ===== */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
.hidden { display: none !important; }

.hud-top { display: flex; justify-content: space-between; align-items: flex-start; padding: 18px 22px; }
.hud-left, .hud-right { display: flex; flex-direction: column; gap: 8px; }
.hud-right { align-items: flex-end; }
.hud-center { display: flex; flex-direction: column; align-items: center; }
.hud-label { color: var(--dim); font-size: 12px; letter-spacing: 2px; }
.hud-value { color: #fff; font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }

.health-bar { width: 200px; height: 14px; background: rgba(255, 255, 255, 0.10); border-radius: 7px; overflow: hidden; }
#health-fill { height: 100%; width: 100%; background: linear-gradient(90deg, #2fd36b, #4be07a); border-radius: 7px; transition: width .15s; }
#health-text { font-size: 12px; color: #fff; text-align: right; }

#wave-text { font-size: 20px; letter-spacing: 3px; color: var(--accent2); font-weight: 700; }

.hud-bottom {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: space-between; align-items: flex-end;
  padding: 18px 22px;
}
.weapon-info { text-align: right; }
#weapon-name { font-size: 20px; font-weight: 700; letter-spacing: 2px; }
#ammo-text { font-size: 34px; font-weight: 800; font-variant-numeric: tabular-nums; color: #fff; }
#hud-hint { color: var(--dim); font-size: 12px; letter-spacing: 1px; }

/* 准星 */
#crosshair { position: fixed; left: 50%; top: 50%; width: 20px; height: 20px; transform: translate(-50%, -50%); pointer-events: none; z-index: 20; }
#crosshair::before, #crosshair::after { content: ''; position: absolute; background: var(--cc, #00ff88); border-radius: 1px; box-shadow: 0 0 4px rgba(0, 0, 0, 0.6); }
#crosshair::before { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
#crosshair::after { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }

/* 命中提示 */
#hitmarker { position: fixed; left: 50%; top: 50%; width: 16px; height: 16px; margin: -8px 0 0 -8px; pointer-events: none; z-index: 21; opacity: 0; }
#hitmarker::before, #hitmarker::after { content: ''; position: absolute; left: 50%; top: 50%; width: 2px; height: 16px; background: #fff; border-radius: 1px; }
#hitmarker::before { transform: translate(-50%, -50%) rotate(45deg); }
#hitmarker::after { transform: translate(-50%, -50%) rotate(-45deg); }
#hitmarker.show { opacity: 1; }
#hitmarker.head.show::before, #hitmarker.head.show::after { background: #ff4b3a; }
#hitmarker.head.show { transform: scale(1.3); }

/* 受伤红光 */
#damage-flash {
  position: fixed; inset: 0; pointer-events: none; z-index: 15; opacity: 0;
  background: radial-gradient(ellipse at center, rgba(255, 0, 0, 0) 45%, rgba(255, 30, 30, 0.55) 100%);
  transition: opacity .18s;
}
#damage-flash.show { opacity: 1; }

/* 遮罩 */
#overlay {
  position: fixed; inset: 0; z-index: 30;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: rgba(6, 8, 12, 0.78);
}
#overlay-title { font-size: 40px; font-weight: 900; letter-spacing: 4px; }
#overlay-sub { color: var(--dim); letter-spacing: 2px; font-size: 14px; }

/* 结束面板 */
#game-over { position: fixed; inset: 0; z-index: 40; display: flex; align-items: center; justify-content: center; background: rgba(6, 8, 12, 0.8); }
.go-panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 36px 46px; text-align: center; display: flex; flex-direction: column; gap: 14px; min-width: 320px;
}
.go-panel h2 { font-size: 30px; letter-spacing: 4px; color: var(--accent); }
.go-panel .stat { font-size: 16px; color: var(--dim); letter-spacing: 1px; }
.go-panel .stat b { color: #fff; font-size: 22px; margin-left: 6px; }
.go-panel .btn { margin-top: 4px; }

/* ===== 首页地图选择 ===== */
.map-select { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.map-card {
  position: relative;
  width: 156px;
  padding: 12px 10px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  cursor: pointer;
  transition: transform .15s, border-color .15s, box-shadow .15s;
  user-select: none;
}
.map-card b { display: block; font-size: 16px; letter-spacing: 2px; }
.map-card span { display: block; margin-top: 5px; font-size: 11px; color: var(--dim); line-height: 1.5; }
.map-card:hover { transform: translateY(-2px); border-color: var(--accent2); }
.map-card.active { border-color: var(--accent); box-shadow: 0 0 18px rgba(255, 90, 42, 0.30); }
.map-card.active b { color: var(--accent); }

.map-categories { display: flex; gap: 10px; justify-content: center; }
.cat-btn {
  padding: 10px 26px;
  font-size: 15px;
  letter-spacing: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--dim);
  cursor: pointer;
  transition: transform .15s, border-color .15s, color .15s, background .15s;
}
.cat-btn:hover { transform: translateY(-2px); border-color: var(--accent2); color: var(--text); }
.cat-btn.active {
  border-color: var(--accent);
  background: var(--panel2);
  color: var(--accent);
  box-shadow: 0 0 18px rgba(255, 90, 42, 0.25);
}
.map-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 2px 8px;
  font-size: 10px;
  letter-spacing: 1px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
}
.map-hint { color: var(--dim); font-size: 12px; letter-spacing: 2px; margin-top: -10px; }

.slot { cursor: pointer; touch-action: none; }
@media (pointer: coarse) {
  .slot { min-width: 60px; padding: 12px 14px; }
}

/* ===== 王者生存计分板 ===== */
#dm-score {
  position: fixed;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  text-align: center;
  pointer-events: none;
}
#dm-score.hidden { display: none !important; }
#dm-round {
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--text);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.8);
  margin-bottom: 6px;
}
#dm-board {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.dm-row {
  font-size: 12px;
  color: var(--dim);
  background: rgba(13, 16, 22, 0.72);
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.dm-row.me { color: var(--accent); border-color: var(--accent); }
.dm-row .pts { color: var(--text); font-weight: bold; margin-left: 8px; }

/* ===== 房间等待大厅 ===== */
#room-panel {
  position: fixed;
  inset: 0;
  z-index: 44;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 13, 18, 0.72);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
#room-panel.hidden { display: none !important; }
.room-panel-box {
  width: 420px;
  max-width: 92vw;
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  text-align: center;
}
.room-panel-box h2 {
  font-size: 24px;
  letter-spacing: 6px;
  margin-bottom: 16px;
}
.room-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel2);
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.room-meta b { color: var(--accent); font-size: 16px; letter-spacing: 2px; }
.rp-players {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  margin-bottom: 18px;
}
.rp-player {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel2);
  text-align: left;
  font-size: 14px;
}
.rp-player.me { border-color: var(--accent); color: var(--accent); }
.room-teams {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.team-btn {
  flex: 1;
  padding: 11px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel2);
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
}
#team-a-btn.active { border-color: #ff5a4a; color: #ff8d80; background: rgba(255, 90, 74, 0.14); }
#team-b-btn.active { border-color: #4aa3ff; color: #82c2ff; background: rgba(74, 163, 255, 0.14); }

/* ===== 暂停面板 ===== */
#pause-menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 13, 18, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.pause-panel {
  width: 390px;
  max-width: 92vw;
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}
.pause-panel h2 {
  font-size: 28px;
  letter-spacing: 8px;
  text-align: center;
  margin-bottom: 14px;
}
.pause-stats {
  text-align: center;
  color: var(--dim);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 22px;
}
.pause-stats b { color: var(--accent); font-size: 17px; }
.pause-field { margin-bottom: 24px; }
.pause-field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--dim);
  margin-bottom: 10px;
}
.pause-field label b { color: var(--text); font-size: 15px; }
.pause-field input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}
.pause-actions { display: flex; flex-direction: column; gap: 12px; }
.pause-tip {
  margin-top: 18px;
  font-size: 11px;
  line-height: 1.7;
  color: var(--dim);
  text-align: center;
  letter-spacing: 1px;
}

.mode-row { display: flex; gap: 16px; margin: 6px 0 -2px; }
.mode-card {
  width: 190px;
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
  text-align: center;
  cursor: pointer;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.mode-card small {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 1px;
}
.mode-card:hover { transform: translateY(-2px); border-color: var(--accent2); }
.mode-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(255, 90, 42, 0.25);
}

/* ===== 大厅（房间）===== */
.lobby-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: min(680px, 92vw);
}
.lobby-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.lobby-card h3 {
  font-size: 15px;
  letter-spacing: 3px;
  margin-bottom: 12px;
  color: var(--text);
}
.lobby-row { display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.lobby-row input, .lobby-row select {
  flex: 1;
  min-width: 120px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.lobby-row input:focus, .lobby-row select:focus { border-color: var(--accent); }
.room-table { width: 100%; border-collapse: collapse; }
.room-table th, .room-table td {
  padding: 9px 8px;
  font-size: 13px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.room-table th { color: var(--dim); font-weight: normal; letter-spacing: 1px; }
.room-table .join-btn {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}
.room-table .join-btn:hover { background: var(--accent); color: #fff; }
.lobby-hint { font-size: 11px; color: var(--dim); margin-top: 8px; letter-spacing: 1px; }

/* ===== 键位设置 ===== */
.section-title {
  margin: 22px 0 6px;
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--text);
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.section-tip { font-size: 11px; color: var(--dim); margin-bottom: 10px; }
.keybinds {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
}
.kb-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.kb-name { font-size: 12px; color: var(--dim); flex: 1; }
.kb-btn {
  min-width: 86px;
  padding: 7px 10px;
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel2);
  color: var(--text);
  cursor: pointer;
}
.kb-btn:hover { border-color: var(--accent2); }
.kb-btn.waiting {
  border-color: var(--accent);
  color: var(--accent);
  animation: kb-pulse 1s infinite;
}
@keyframes kb-pulse { 50% { opacity: 0.5; } }

/* ===== 触屏控制层 v2（多指 / 自定义布局 / 全屏）===== */
#touch-layer {
  position: fixed;
  inset: 0;
  z-index: 22;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}
#touch-layer.hidden { display: none !important; }
#tch-stick {
  position: fixed;
  width: calc(112px * var(--tch-scale, 1));
  height: calc(112px * var(--tch-scale, 1));
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
  z-index: 23;
}
#tch-stick.hidden { display: none; }
#tch-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(48px * var(--tch-scale, 1));
  height: calc(48px * var(--tch-scale, 1));
  margin: calc(-24px * var(--tch-scale, 1)) 0 0 calc(-24px * var(--tch-scale, 1));
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}
.tch-btn {
  position: absolute;
  transform: translate(-50%, -50%);
  width: calc(72px * var(--tch-scale, 1));
  height: calc(72px * var(--tch-scale, 1));
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(20, 26, 36, calc(0.55 * var(--tch-op, 1)));
  color: rgba(255, 255, 255, calc(0.9 * var(--tch-op, 1)));
  font-size: calc(13px * var(--tch-scale, 1));
  letter-spacing: 1px;
  touch-action: none;
  padding: 0;
  cursor: pointer;
}
#tch-fire {
  width: calc(100px * var(--tch-scale, 1));
  height: calc(100px * var(--tch-scale, 1));
  font-size: calc(16px * var(--tch-scale, 1));
  border-color: rgba(255, 90, 42, 0.7);
  background: rgba(255, 90, 42, calc(0.35 * var(--tch-op, 1)));
}
#tch-pause, #tch-fullscreen {
  width: calc(52px * var(--tch-scale, 1));
  height: calc(52px * var(--tch-scale, 1));
  border-radius: 14px;
  font-size: calc(17px * var(--tch-scale, 1));
}
.tch-btn.active {
  background: rgba(255, 90, 42, 0.6);
  border-color: var(--accent);
}
#touch-layer.editing .tch-btn {
  outline: 2px dashed rgba(255, 255, 255, 0.55);
  outline-offset: 3px;
}
#tch-editbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 46;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(13, 16, 22, 0.92);
  border-bottom: 1px solid var(--line);
}
#tch-editbar.hidden { display: none !important; }
#tch-editbar span {
  flex: 1;
  color: var(--text);
  font-size: 14px;
  letter-spacing: 2px;
}
#tch-editbar button {
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  font-size: 13px;
}
#tch-ed-save { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===== 响应式（手机竖屏 / 平板）===== */
@media (max-width: 720px) {
  .settings-panel { width: 94vw; padding: 18px 16px; }
  .keybinds { grid-template-columns: 1fr; }
  .map-select, .map-categories { flex-wrap: wrap; }
  .map-card { width: 46%; }
  .title { font-size: 36px; letter-spacing: 3px; }
  .subtitle { letter-spacing: 3px; font-size: 11px; }
  .hud-value { font-size: 13px; }
  .hud-label { font-size: 9px; }
}
@media (max-width: 720px) and (orientation: landscape) {
  .map-card { width: 30%; }
}

/* 横屏提示（触屏竖屏玩的时候遮罩提示） */
#rotate-hint {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--bg);
  color: var(--text);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  letter-spacing: 4px;
}
body.game-body.touch-portrait #rotate-hint { display: flex; }

/* ===== HUD 文字描边（雪地等亮色地图下也能看清）===== */
.hud-value, #weapon-name, #ammo-text, .hud-label, #hud-hint, #wave-text, #map-name, .slot, #buy-timer {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.85), 0 0 8px rgba(0, 0, 0, 0.45);
}

/* ===== 资金 / 武器槽 / 购买倒计时 ===== */
.hud-value.money { color: #ffd447; }
#map-name { color: var(--dim); font-size: 12px; letter-spacing: 2px; margin-top: 6px; }
#buy-timer { color: #6cf58a; font-size: 14px; letter-spacing: 2px; margin-top: 4px; }

#weapon-slots {
  position: absolute; right: 22px; bottom: 96px;
  display: flex; flex-direction: column; gap: 6px; align-items: flex-end;
}
.slot {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 10px; min-width: 122px;
  border: 1px solid var(--line); border-radius: 8px;
  background: rgba(12, 16, 22, 0.50);
  font-size: 13px; letter-spacing: 1px;
}
.slot b {
  display: inline-flex; width: 20px; height: 20px;
  align-items: center; justify-content: center;
  border-radius: 5px; background: rgba(255, 255, 255, 0.14); font-size: 12px;
}
.slot.active { border-color: var(--accent); box-shadow: 0 0 14px rgba(255, 90, 42, 0.35); }
.slot.locked { opacity: 0.35; }

/* ===== 购买菜单 ===== */
#buy-menu {
  position: fixed; inset: 0; z-index: 36;
  display: flex; align-items: center; justify-content: center;
  background: rgba(6, 8, 12, 0.72);
}
.buy-panel {
  width: 480px; max-width: calc(100% - 40px);
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 24px; display: flex; flex-direction: column; gap: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.buy-panel h3 { font-size: 20px; letter-spacing: 4px; text-align: center; }
.buy-balance { text-align: center; color: var(--dim); font-size: 13px; letter-spacing: 1px; }
.buy-balance b { color: #ffd447; font-size: 18px; margin: 0 2px; }
.buy-list { display: flex; flex-direction: column; gap: 6px; }
.buy-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel2); font-size: 14px;
}
.buy-item .bi-key {
  display: inline-flex; width: 22px; height: 22px;
  align-items: center; justify-content: center;
  border-radius: 5px; background: rgba(255, 255, 255, 0.12); font-size: 12px;
}
.buy-item .bi-name { flex: 1; }
.buy-item .bi-price { color: #ffd447; font-variant-numeric: tabular-nums; }
.buy-item.can { border-color: rgba(61, 220, 95, 0.70); }
.buy-item.can .bi-price { color: #6cf58a; }
.buy-item.owned { opacity: 0.55; }
.buy-item.owned .bi-price { color: var(--dim); }
.buy-item.locked { opacity: 0.45; }
.buy-item.locked .bi-price { color: #ff6a55; }
.buy-item.ammo { margin-top: 6px; }

/* ===== 护甲条（与生命条同风格，青色）===== */
.armor-label { margin-top: 6px; }
.armor-bar {
  width: 200px; height: 10px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.12); overflow: hidden;
}
#armor-fill {
  width: 0%; height: 100%; border-radius: 6px;
  background: linear-gradient(90deg,#3aa0ff,#5ec8ff);
  transition: width 0.2s ease;
}
#armor-text { color: var(--dim); font-size: 12px; letter-spacing: 1px; }
#buy-status { text-align: center; font-size: 13px; color: var(--accent2); letter-spacing: 1px; }
.buy-close-btn {
  float: right;
  margin-top: 2px;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  font-size: 13px;
  letter-spacing: 1px;
  cursor: pointer;
}
.buy-close-btn:hover { border-color: var(--accent); color: var(--accent); }
.buy-tip { text-align: center; font-size: 12px; color: var(--dim); }

/* ===== 提示条 / 瞄准镜 ===== */
#toast {
  position: fixed; left: 50%; top: 22%; transform: translateX(-50%);
  z-index: 38; padding: 10px 20px; border-radius: 10px;
  background: rgba(12, 16, 22, 0.86); border: 1px solid var(--line);
  color: #fff; font-size: 15px; letter-spacing: 1px; pointer-events: none;
}
#scope {
  position: fixed; inset: 0; z-index: 19; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0) 0 23vh, rgba(0, 0, 0, 0.85) 30vh, #04060a 34vh);
}
#scope::before { content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: rgba(0, 0, 0, 0.9); }
#scope::after { content: ''; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: rgba(0, 0, 0, 0.9); }

/* ===== 主页页脚：团队名 + 版本号 ===== */
.site-footer {
  margin-top: 28px;
  padding: 18px 0 8px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.site-footer .team-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  background: linear-gradient(90deg, #4be07a, #2fd36b, #5ad7ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-footer .team-ver {
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 1px;
  color: #7a8a99;
}

/* ===== 移动端购买菜单重设计：面板限高可滚动 + 枪械列表双列 ===== */
@media (max-width: 720px), (pointer: coarse) {
  #buy-menu {
    align-items: flex-start;
    padding: 8px;
  }
  .buy-panel {
    width: 100%; max-width: none;
    margin-top: 4px;
    max-height: 92vh;
    max-height: 92dvh;
    padding: 12px 12px 10px;
    gap: 8px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .buy-panel h3 { font-size: 16px; letter-spacing: 2px; }
  .buy-balance { font-size: 11px; }
  .buy-balance b { font-size: 15px; }
  /* 8 把枪排成双列，省一半高度 */
  .buy-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .buy-item {
    padding: 7px 8px;
    font-size: 12px;
    gap: 6px;
    min-height: 40px;   /* 手指好点 */
  }
  .buy-item .bi-key { width: 18px; height: 18px; font-size: 10px; flex-shrink: 0; }
  .buy-item .bi-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .buy-item .bi-price { font-size: 11px; }
  .buy-item.ammo { margin-top: 2px; }
  .buy-tip { display: none; }   /* 小屏藏掉说明文字，省高度 */
  #buy-status { font-size: 11px; }
}