/* ==========================================================================
   css-gametank.css · 本地对战外观（只被 gametank.html 引用）
   --------------------------------------------------------------------------
   依赖 css-battle-hud.css 里定义的设计令牌与布局带变量。
   全部规则都挂在 body.gametank-shell 下，game.html 不受影响。
   ========================================================================== */

/* ==========================================================================
   1. 本地战斗 HUD 的侧栏定位
   ========================================================================== */

/* 左栏：战斗记录 */
body.gametank-shell .battle-log {
  top: var(--ct-pad);
  left: var(--ct-pad);
  width: var(--ct-rail);
  max-height: max(120px, min(300px, calc(var(--ct-rail-free) - 280px)));
  padding: 0 10px 8px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface);
  box-shadow: var(--ct-shadow);
  backdrop-filter: blur(10px);
  color: var(--ct-text);
  font-size: 11px;
  line-height: 1.5;
  scrollbar-width: thin;
}

body.gametank-shell .battle-log-title {
  top: 0;
  margin: 0 -10px 4px;
  padding: 9px 10px 7px;
  border-bottom: 1px solid var(--ct-stroke-soft);
  background: rgba(15, 21, 30, 0.97);
  color: var(--ct-dim);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

body.gametank-shell .battle-log-empty {
  padding: 14px 0;
  color: var(--ct-dim);
  font-size: 10px;
}

body.gametank-shell .battle-record-line {
  padding: 5px 0;
}
body.gametank-shell .battle-record-line + .battle-record-line {
  border-top: 1px solid var(--ct-stroke-soft);
}
body.gametank-shell .battle-record-time {
  color: var(--ct-dim);
  font-variant-numeric: tabular-nums;
}
body.gametank-shell .battle-record-body { color: var(--ct-muted); }
body.gametank-shell .battle-record-body.team-a { color: var(--ct-team-a); }
body.gametank-shell .battle-record-body.team-b { color: var(--ct-team-b); }

/* 右栏：小地图 + 回放，两者之间留出 --ct-gap，不再互相压住 */
body.gametank-shell #minimapWrap {
  top: var(--ct-pad);
  right: var(--ct-pad);
  width: var(--ct-rail);
  height: var(--ct-minimap-h);
}

body.gametank-shell #replayBar {
  top: calc(var(--ct-pad) + var(--ct-minimap-h) + var(--ct-gap));
  right: var(--ct-pad);
  width: var(--ct-rail);
  padding: 0 10px 10px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface);
  box-shadow: var(--ct-shadow);
  backdrop-filter: blur(10px);
  color: var(--ct-muted);
  font-size: 11px;
}

body.gametank-shell #replayBar .title {
  margin: 0 -10px 0;
  padding: 9px 10px 7px;
  border-bottom: 1px solid var(--ct-stroke-soft);
  color: var(--ct-dim);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

body.gametank-shell #replayList {
  margin-top: 8px;
  max-height: max(90px, min(150px, calc(var(--ct-rail-free) - 420px)));
  border: 1px solid var(--ct-stroke-soft);
  border-radius: var(--ct-r-sm);
  background: var(--ct-surface-sunken);
  scrollbar-width: thin;
}
body.gametank-shell #replayList .replay-item {
  padding: 6px 9px;
  border-bottom: 1px solid var(--ct-stroke-soft);
  color: var(--ct-muted);
  font-size: 10px;
  cursor: pointer;
}
body.gametank-shell #replayList .replay-item:hover { background: rgba(255, 255, 255, 0.04); }
body.gametank-shell #replayList .replay-item.selected {
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
}
body.gametank-shell #replayList .empty {
  padding: 14px 8px;
  color: var(--ct-dim);
  font-size: 10px;
}

body.gametank-shell #replayBar .row { gap: 6px; margin-top: 8px; }
body.gametank-shell #replayBar button {
  padding: 6px 10px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-sm);
  background: var(--ct-surface-sunken);
  color: var(--ct-muted);
  font-size: 10px;
  letter-spacing: 0.06em;
}
body.gametank-shell #replayBar button:hover:not(:disabled) {
  border-color: var(--ct-stroke-active);
  background: var(--ct-accent-soft);
  color: var(--ct-text);
}
body.gametank-shell #replayBar button.active {
  border-color: var(--ct-stroke-active);
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
}
body.gametank-shell #replaySpeedRow { align-items: center; }
body.gametank-shell #replaySpeedLabel {
  margin-right: 2px;
  color: var(--ct-dim);
  font-size: 10px;
  letter-spacing: 0.14em;
}

/* 观战控制：与芯片同高，嵌在顶部第一行里 */
body.gametank-shell .spectator-controls { gap: 6px; }
body.gametank-shell .spectator-next,
body.gametank-shell .spectator-auto {
  height: var(--ct-chips-h);
  padding: 0 14px;
  border: 1px solid var(--ct-stroke-active);
  border-radius: var(--ct-r-md);
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
body.gametank-shell .spectator-next:hover:not(:disabled),
body.gametank-shell .spectator-auto:hover {
  background: rgba(232, 201, 122, 0.22);
}
body.gametank-shell .spectator-auto.active {
  border-color: rgba(107, 211, 154, 0.7);
  background: rgba(107, 211, 154, 0.18);
  color: #bdf3d6;
  box-shadow: none;
}

/* ==========================================================================
   2. 开局设置页
   ========================================================================== */

/* 滚动交给 #overlay，卡片本身不再裁剪——「自定义选项」下拉才不会被切掉。 */
body.gametank-shell #overlay {
  align-items: flex-start;
  justify-content: center;
  padding: 30px 18px;
  overflow-y: auto;
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(79, 151, 255, 0.16), transparent 62%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(232, 201, 122, 0.1), transparent 62%),
    rgba(6, 9, 13, 0.94);
}

body.gametank-shell .card {
  width: min(1000px, 96vw);
  max-height: none;
  padding: 0;
  overflow: visible;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-lg);
  background: linear-gradient(168deg, rgba(24, 33, 46, 0.97), rgba(11, 16, 23, 0.98));
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.62);
}

body.gametank-shell .card .eyebrow {
  margin-bottom: 8px;
  color: var(--ct-accent);
  font-size: 10px;
  letter-spacing: 0.42em;
}

body.gametank-shell .card h1 {
  color: #fff6e2;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 0 rgba(58, 44, 18, 0.6), 0 10px 34px rgba(0, 0, 0, 0.5);
}

/* —— 顶部：标题 + 地图 —— */
body.gametank-shell .setup-intro-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  gap: 26px;
  margin-bottom: 0;
  padding: 26px 28px 22px;
  border-bottom: 1px solid var(--ct-stroke-soft);
}

body.gametank-shell .setup-copy { padding: 0; }
body.gametank-shell .setup-copy h1 { font-size: clamp(28px, 3.6vw, 40px); }
body.gametank-shell .setup-copy > p {
  margin: 10px 0 16px;
  color: var(--ct-muted);
  font-size: 13px;
  line-height: 1.7;
}

body.gametank-shell .cheat-row {
  gap: 9px;
  margin: 0;
  padding: 9px 12px;
  border: 1px solid var(--ct-stroke-soft);
  border-radius: var(--ct-r-sm);
  background: var(--ct-surface-sunken);
  color: var(--ct-muted);
  font-size: 12px;
}
body.gametank-shell .cheat-row input { accent-color: var(--ct-accent); }

body.gametank-shell .setup-map-panel {
  padding: 14px 15px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface-sunken);
}
body.gametank-shell .setup-map-panel .map-row { gap: 9px; }
body.gametank-shell .setup-map-panel .map-row > label {
  color: var(--ct-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

body.gametank-shell select#mapSelect {
  width: 100%;
  min-width: 0;
  min-height: 132px;
  padding: 5px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-sm);
  background: rgba(9, 14, 20, 0.9);
  color: var(--ct-text);
  font-size: 13px;
  line-height: 1.5;
  scrollbar-width: thin;
}
body.gametank-shell select#mapSelect option {
  padding: 5px 8px;
  border-radius: 4px;
  background: transparent;
  color: var(--ct-muted);
}
body.gametank-shell select#mapSelect option:checked {
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
}

/* —— 中部：规模 / 自定义 / 队伍 —— */
body.gametank-shell .match-setup {
  margin: 0;
  padding: 22px 28px 6px;
}

body.gametank-shell .mode-picker {
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  width: min(520px, 100%);
  margin: 0 auto 14px;
  padding: 5px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface-sunken);
}
body.gametank-shell .card .mode-option {
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: var(--ct-r-sm);
  background: transparent;
  color: var(--ct-dim);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
body.gametank-shell .card .mode-option:hover { color: var(--ct-muted); transform: none; filter: none; }
body.gametank-shell .card .mode-option.active {
  border-color: var(--ct-stroke-active);
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
  box-shadow: none;
}

body.gametank-shell .setup-tool-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 10px;
  margin: 0 auto 18px;
}
body.gametank-shell .custom-options-shell { position: relative; }

body.gametank-shell .card .setup-tool-button {
  min-width: 152px;
  padding: 9px 16px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface-sunken);
  color: var(--ct-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
body.gametank-shell .card .setup-tool-button:hover,
body.gametank-shell .card .setup-tool-button[aria-expanded="true"] {
  border-color: var(--ct-stroke-active);
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
  transform: none;
  filter: none;
}
body.gametank-shell .card .guide-button:hover {
  border-color: rgba(126, 200, 232, 0.6);
  background: rgba(126, 200, 232, 0.14);
  color: #cdeaff;
}

body.gametank-shell .custom-options-menu {
  position: absolute;
  z-index: 8;
  top: calc(100% + 10px);
  left: 50%;
  width: min(620px, calc(100vw - 48px));
  padding: 16px 18px;
  transform: translateX(-50%);
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: rgba(18, 25, 35, 0.99);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  text-align: left;
}
body.gametank-shell .custom-options-menu[hidden] { display: none; }

body.gametank-shell .custom-option-group + .custom-option-group {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--ct-stroke-soft);
}
body.gametank-shell .custom-option-title {
  display: block;
  margin-bottom: 9px;
  color: var(--ct-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

body.gametank-shell .custom-options-menu .turn-rule-picker {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  width: 100%;
  margin: 0;
}
body.gametank-shell .card .turn-rule-option {
  min-width: 0;
  padding: 9px 11px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-sm);
  background: var(--ct-surface-sunken);
  color: var(--ct-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
body.gametank-shell .card .turn-rule-option:hover { color: var(--ct-muted); transform: none; filter: none; }
body.gametank-shell .card .turn-rule-option.active {
  border-color: rgba(126, 200, 232, 0.55);
  background: rgba(126, 200, 232, 0.13);
  color: #d5f0ff;
  box-shadow: none;
}

body.gametank-shell .custom-options-menu .ai-strategy-row {
  width: 100%;
  margin: 0;
  justify-content: flex-start;
  gap: 10px;
}
body.gametank-shell .custom-options-menu .ai-option-pair {
  width: 100%;
  justify-content: space-between;
  gap: 12px;
}
body.gametank-shell .ai-strategy-row label {
  color: var(--ct-muted);
  font-size: 12px;
  font-weight: 600;
}
body.gametank-shell .ai-strategy-row select {
  flex: 1;
  min-width: 190px;
  padding: 8px 10px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-sm);
  background: rgba(9, 14, 20, 0.9);
  color: var(--ct-text);
  font-size: 12px;
}

/* —— 队伍配置 —— */
body.gametank-shell .team-setup-grid { gap: 16px; }
body.gametank-shell .team-setup {
  padding: 14px 15px 15px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface-sunken);
}
body.gametank-shell .team-setup.team-a { box-shadow: inset 0 2px 0 var(--ct-team-a); }
body.gametank-shell .team-setup.team-b { box-shadow: inset 0 2px 0 var(--ct-team-b); }
body.gametank-shell .team-setup h2 {
  margin: 0 0 11px;
  color: var(--ct-text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
}
body.gametank-shell .team-setup h2 span {
  width: 7px;
  height: 7px;
  box-shadow: 0 0 10px currentColor;
}
body.gametank-shell .team-setup.team-a h2 span { background: var(--ct-team-a); color: var(--ct-team-a); }
body.gametank-shell .team-setup.team-b h2 span { background: var(--ct-team-b); color: var(--ct-team-b); }

body.gametank-shell .setup-slots { gap: 8px; }
body.gametank-shell .setup-slot {
  grid-template-columns: 34px minmax(0, 1.25fr) minmax(0, 0.9fr);
  gap: 9px;
  padding: 8px;
  border: 1px solid var(--ct-stroke-soft);
  border-radius: var(--ct-r-sm);
  background: rgba(9, 14, 20, 0.55);
}
body.gametank-shell .setup-slot.empty { opacity: 0.5; }
body.gametank-shell .slot-label {
  color: var(--ct-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
body.gametank-shell .setup-slot select {
  padding: 8px 9px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-sm);
  background: rgba(9, 14, 20, 0.9);
  color: var(--ct-text);
  font-size: 12px;
}
body.gametank-shell .setup-slot select:focus-visible {
  outline: none;
  border-color: var(--ct-stroke-active);
}

body.gametank-shell .setup-status {
  margin-top: 14px;
  padding: 9px 12px;
  border: 1px solid var(--ct-stroke-soft);
  border-radius: var(--ct-r-sm);
  background: var(--ct-surface-sunken);
  color: var(--ct-muted);
  font-size: 12px;
  line-height: 1.6;
}
body.gametank-shell .setup-status.ready {
  border-color: rgba(107, 211, 154, 0.3);
  background: rgba(107, 211, 154, 0.08);
  color: #a8e6c6;
}
body.gametank-shell .setup-status.pending {
  border-color: rgba(232, 201, 122, 0.3);
  background: var(--ct-accent-soft);
  color: var(--ct-accent);
}
body.gametank-shell .setup-status.error {
  border-color: rgba(255, 125, 107, 0.34);
  background: rgba(255, 125, 107, 0.09);
  color: var(--ct-bad);
}

/* —— 底部：开始按钮 —— */
body.gametank-shell #startBtn {
  display: block;
  width: calc(100% - 56px);
  min-width: 0;
  margin: 20px 28px 0;
  padding: 15px 28px;
  border: 1px solid #e2c36a;
  border-radius: var(--ct-r-md);
  background: linear-gradient(180deg, #f2d685, #c9a03e);
  color: #221a08;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.2em;
  box-shadow: 0 10px 28px rgba(201, 160, 62, 0.22);
}
body.gametank-shell #startBtn:hover { filter: brightness(1.06); transform: translateY(-1px); }
body.gametank-shell #startBtn:disabled { filter: grayscale(0.5); opacity: 0.5; transform: none; }

body.gametank-shell .card .sub {
  margin: 0;
  padding: 14px 28px 20px;
  color: var(--ct-dim);
  font-size: 12px;
}
body.gametank-shell .card .sub a { color: var(--ct-accent); text-decoration: none; }
body.gametank-shell .card .sub a:hover { text-decoration: underline; }

/* ==========================================================================
   3. 游戏说明弹窗
   ========================================================================== */

body.gametank-shell .guide-dialog {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: rgba(4, 7, 11, 0.92);
  backdrop-filter: blur(8px);
}
body.gametank-shell .guide-dialog[hidden] { display: none; }

body.gametank-shell .guide-page {
  width: min(1240px, 96vw);
  max-height: 92vh;
  overflow-y: auto;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-lg);
  background: linear-gradient(168deg, rgba(24, 33, 46, 0.99), rgba(10, 15, 22, 0.99));
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.66);
  color: var(--ct-text);
  scrollbar-width: thin;
}

body.gametank-shell .guide-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--ct-stroke-soft);
  background: rgba(17, 24, 34, 0.98);
  backdrop-filter: blur(10px);
}
body.gametank-shell .guide-eyebrow {
  color: var(--ct-accent);
  font-size: 10px;
  letter-spacing: 0.34em;
}
body.gametank-shell .guide-header h2 {
  margin: 5px 0 0;
  color: #fff6e2;
  font-size: 23px;
  letter-spacing: 0.08em;
}
body.gametank-shell .guide-header .guide-close {
  min-width: 0;
  padding: 9px 15px;
  border: 1px solid var(--ct-stroke);
  border-radius: var(--ct-r-sm);
  background: var(--ct-surface-sunken);
  color: var(--ct-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
}
body.gametank-shell .guide-header .guide-close:hover {
  border-color: var(--ct-stroke-active);
  color: var(--ct-accent);
}

body.gametank-shell .guide-content { padding: 24px; }
body.gametank-shell .guide-section + .guide-section { margin-top: 30px; }
body.gametank-shell .guide-section h3 {
  margin: 0 0 14px;
  color: var(--ct-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

body.gametank-shell .guide-rule-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
body.gametank-shell .guide-rule-card {
  border: 1px solid var(--ct-stroke-soft);
  border-radius: var(--ct-r-md);
  background: var(--ct-surface-sunken);
}
body.gametank-shell .guide-rule-card { padding: 14px; }
body.gametank-shell .guide-rule-card b {
  display: block;
  margin-bottom: 7px;
  color: #cfe9ff;
  font-size: 13px;
}
body.gametank-shell .guide-rule-card p {
  margin: 0;
  color: var(--ct-muted);
  font-size: 12px;
  line-height: 1.7;
}

body.gametank-shell .guide-control-line {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 2px solid var(--ct-accent);
  border-radius: 0 var(--ct-r-sm) var(--ct-r-sm) 0;
  background: var(--ct-surface-sunken);
  color: var(--ct-muted);
  font-size: 12px;
  line-height: 1.9;
}
body.gametank-shell .guide-control-line kbd {
  display: inline-block;
  min-width: 24px;
  margin: 0 2px;
  padding: 2px 6px;
  border: 1px solid var(--ct-stroke);
  border-radius: 4px;
  background: rgba(9, 14, 20, 0.85);
  color: var(--ct-accent);
  text-align: center;
}

body.gametank-shell .vehicle-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
body.gametank-shell .vehicle-guide-card {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 0 16px;
  align-items: stretch;
  min-height: 136px;
  padding: 10px 12px 10px 10px;
  border: 1px solid var(--ct-stroke-soft);
  border-radius: var(--ct-r-md);
  background:
    linear-gradient(90deg, rgba(18, 28, 40, 0.35), transparent 42%),
    var(--ct-surface-sunken);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
body.gametank-shell .vehicle-guide-card:hover,
body.gametank-shell .vehicle-guide-card.is-firing {
  border-color: rgba(232, 201, 122, 0.32);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 8px 22px rgba(0, 0, 0, 0.22);
}
body.gametank-shell .vehicle-guide-preview {
  position: relative;
  height: 124px;
  border-radius: 11px;
  overflow: hidden;
  border: 1px solid rgba(150, 172, 198, 0.12);
  background: #0b121a;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}
body.gametank-shell .vehicle-guide-preview canvas {
  display: block;
  width: 100%;
  height: 100%;
}
body.gametank-shell .vehicle-guide-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 6px 4px 6px 0;
}
body.gametank-shell .vehicle-guide-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
body.gametank-shell .vehicle-guide-head b { color: #fbf1d8; font-size: 14px; letter-spacing: 0.04em; }
body.gametank-shell .vehicle-guide-head span {
  color: var(--ct-ok);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}
body.gametank-shell .vehicle-guide-card p {
  margin: 7px 0 10px;
  color: var(--ct-muted);
  font-size: 12px;
  line-height: 1.65;
}
body.gametank-shell .vehicle-guide-weapons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
body.gametank-shell .vehicle-guide-weapons span {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid rgba(150, 172, 198, 0.16);
  border-radius: 999px;
  background: rgba(7, 11, 16, 0.55);
  color: #7ec8e8;
  font-size: 11px;
  letter-spacing: 0.04em;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
body.gametank-shell .vehicle-guide-weapons span.is-firing {
  border-color: var(--ct-stroke-active);
  color: var(--ct-accent);
  background: var(--ct-accent-soft);
  box-shadow: 0 0 16px rgba(232, 201, 122, 0.18);
}
body.gametank-shell .guide-secret {
  margin: 14px 0 0;
  color: var(--ct-dim);
  font-size: 12px;
  text-align: center;
}

/* ==========================================================================
   4. 窄屏
   ========================================================================== */
@media (max-width: 1180px) {
  body.gametank-shell .vehicle-guide-card { grid-template-columns: 184px minmax(0, 1fr); }
  body.gametank-shell .vehicle-guide-preview { height: 118px; }
}

@media (max-width: 900px) {
  body.gametank-shell .setup-intro-grid { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  body.gametank-shell .match-setup { padding: 18px 20px 4px; }
  body.gametank-shell .team-setup-grid { grid-template-columns: 1fr; }
  body.gametank-shell #startBtn { width: calc(100% - 40px); margin: 18px 20px 0; }
  body.gametank-shell .card .sub { padding: 12px 20px 18px; }
}

@media (max-width: 760px) {
  body.gametank-shell .setup-tool-row { flex-wrap: wrap; }
  body.gametank-shell .custom-options-menu {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  body.gametank-shell .guide-dialog { padding: 10px; }
  body.gametank-shell .guide-rule-grid,
  body.gametank-shell .vehicle-guide-grid { grid-template-columns: 1fr; }
  body.gametank-shell .vehicle-guide-card { grid-template-columns: 1fr; }
  body.gametank-shell .vehicle-guide-preview { height: 132px; }
  body.gametank-shell .guide-header,
  body.gametank-shell .guide-content { padding: 16px; }
  body.gametank-shell .setup-slot { grid-template-columns: 30px minmax(0, 1.2fr) minmax(0, 1fr); }
}