/* ===== 三角洲反应训练 — Aim Lab 电竞风 ===== */

:root {
  --bg: #0a0e14;
  --bg-panel: rgba(13, 20, 30, 0.88);
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.35);
  --green: #00ff9d;
  --red: #ff3860;
  --text: #cfe8f0;
  --text-dim: #6b7f8c;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* 禁止长按选中 / 触摸呼出菜单 */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  /* 禁止橡皮筋滚动与滚动手势 */
  overscroll-behavior: none;
  touch-action: none;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
}

#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

#game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.hidden { display: none !important; }

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ===== 准星 ===== */
#crosshair {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  pointer-events: none;
  z-index: 20;
}
.ch-dot {
  position: absolute;
  left: -2px; top: -2px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}
.ch-ring {
  position: absolute;
  left: -13px; top: -13px;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.55);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.25) inset;
}
/* 命中标记：四条斜线 */
#hitmarker { position: absolute; left: 0; top: 0; opacity: 0; }
#hitmarker span {
  position: absolute;
  width: 10px; height: 2px;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}
#hitmarker span:nth-child(1) { transform: translate(-14px, -10px) rotate(45deg); }
#hitmarker span:nth-child(2) { transform: translate(4px, -10px) rotate(-45deg); }
#hitmarker span:nth-child(3) { transform: translate(-14px, 8px) rotate(-45deg); }
#hitmarker span:nth-child(4) { transform: translate(4px, 8px) rotate(45deg); }
#hitmarker.hit { animation: hit-pop 0.18s ease-out; }
@keyframes hit-pop {
  0% { opacity: 1; transform: scale(0.7); }
  100% { opacity: 0; transform: scale(1.4); }
}

/* ===== HUD ===== */
#hud { position: absolute; inset: 0; pointer-events: none; z-index: 15; }
#hud-top {
  position: absolute;
  top: max(10px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  right: max(12px, env(safe-area-inset-right));
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.hud-stats {
  display: flex;
  gap: 22px;
  padding: 8px 18px;
  background: var(--bg-panel);
  border: 1px solid var(--cyan-dim);
  border-radius: 8px;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.12);
}
.hud-item { display: flex; flex-direction: column; align-items: center; min-width: 56px; }
.hud-label { font-size: 11px; color: var(--text-dim); letter-spacing: 2px; }
.hud-value { font-size: 22px; color: var(--cyan); text-shadow: 0 0 8px rgba(0, 229, 255, 0.5); }
#hud-timer {
  margin-left: auto;
  padding: 6px 20px;
  font-size: 34px;
  color: var(--green);
  text-shadow: 0 0 12px rgba(0, 255, 157, 0.55);
  background: var(--bg-panel);
  border: 1px solid rgba(0, 255, 157, 0.3);
  border-radius: 8px;
}
#hud-timer.low { color: var(--red); border-color: rgba(255, 56, 96, 0.5); text-shadow: 0 0 12px rgba(255, 56, 96, 0.6); }

#btn-quit { pointer-events: auto; }

/* 开火按钮：右下角独立大圆钮 */
#fire-btn {
  position: absolute;
  right: max(36px, env(safe-area-inset-right));
  bottom: max(40px, env(safe-area-inset-bottom));
  width: 118px;
  height: 118px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: radial-gradient(circle at 50% 40%, rgba(0, 229, 255, 0.22), rgba(0, 229, 255, 0.05) 70%);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.35), 0 0 8px rgba(0, 229, 255, 0.2) inset;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  touch-action: none;
}
#fire-btn span {
  font-size: 20px;
  letter-spacing: 4px;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
}
#fire-btn:active { transform: scale(0.93); background: radial-gradient(circle at 50% 40%, rgba(0, 229, 255, 0.4), rgba(0, 229, 255, 0.1) 70%); }

/* 抢跑红闪 */
#flash-red {
  position: absolute; inset: 0;
  background: rgba(255, 30, 60, 0.35);
  opacity: 0;
  pointer-events: none;
  z-index: 30;
}
#flash-red.on { animation: red-flash 0.35s ease-out; }
@keyframes red-flash { 0% { opacity: 1; } 100% { opacity: 0; } }

/* 听声辨位：发声阶段全屏遮罩（压暗画面，突出听觉） */
#listen-overlay {
  position: absolute; inset: 0;
  background: rgba(4, 7, 11, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 12;
}
#listen-overlay span {
  font-size: 56px;
  letter-spacing: 16px;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(0, 229, 255, 0.8);
  animation: listen-pulse 0.9s ease-in-out infinite alternate;
}
@keyframes listen-pulse { from { opacity: 0.55; } to { opacity: 1; } }

/* ===== 全屏面板（菜单 / 结算 / 设置） ===== */
.panel-screen {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 9, 14, 0.78);
  backdrop-filter: blur(4px);
  z-index: 40;
}

.menu-inner { text-align: center; padding: 20px; }

.game-title {
  font-size: 44px;
  letter-spacing: 10px;
  color: #eaf7ff;
  text-shadow: 0 0 18px rgba(0, 229, 255, 0.8), 0 0 40px rgba(0, 229, 255, 0.35);
}
.game-subtitle {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 8px;
  color: var(--text-dim);
  font-family: var(--mono);
}

.mode-grid {
  margin: 30px 0 26px;
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 200px));
  gap: 16px;
  justify-content: center;
}
@media (max-width: 760px) {
  .mode-grid { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
  .game-title { font-size: 32px; letter-spacing: 6px; }
}

.mode-card {
  padding: 18px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--cyan-dim);
  border-radius: 10px;
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.1);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.mode-card:active { transform: scale(0.97); box-shadow: 0 0 22px rgba(0, 229, 255, 0.35); }
.mode-card.disabled {
  opacity: 0.42;
  cursor: not-allowed;
  border-style: dashed;
}
.mode-card.disabled:active { transform: none; box-shadow: 0 0 14px rgba(0, 229, 255, 0.1); }
.mode-name {
  font-size: 20px;
  letter-spacing: 3px;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}
.mode-desc { margin-top: 8px; font-size: 12px; line-height: 1.6; color: var(--text-dim); }
.mode-best {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 229, 255, 0.15);
  font-size: 12px;
  color: var(--green);
  min-height: 18px;
}

/* ===== 卡片式面板 ===== */
.panel-card {
  width: min(92vw, 460px);
  padding: 26px 30px;
  background: var(--bg-panel);
  border: 1px solid var(--cyan-dim);
  border-radius: 12px;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.15);
  text-align: center;
}
.panel-title {
  font-size: 24px;
  letter-spacing: 6px;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
  margin-bottom: 18px;
}

.newbest {
  margin: -6px 0 10px;
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--green);
  text-shadow: 0 0 12px rgba(0, 255, 157, 0.7);
  animation: best-pulse 1s ease-in-out infinite alternate;
}
@keyframes best-pulse { from { opacity: 0.75; } to { opacity: 1; } }

.res-rows { text-align: left; }
.res-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 4px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
  font-size: 15px;
}
.res-row .num { font-size: 18px; color: var(--cyan); }

.best-line {
  margin: 14px 0 4px;
  font-size: 13px;
  color: var(--text-dim);
}

.btn-row { margin-top: 18px; display: flex; gap: 14px; justify-content: center; }

/* ===== 按钮 ===== */
.neon-btn, .ghost-btn {
  padding: 12px 30px;
  font-size: 16px;
  letter-spacing: 4px;
  font-family: var(--sans);
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.neon-btn {
  border: 1px solid var(--cyan);
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.2);
}
.neon-btn:active { transform: scale(0.95); box-shadow: 0 0 24px rgba(0, 229, 255, 0.45); }
.ghost-btn {
  border: 1px solid rgba(207, 232, 240, 0.3);
  color: var(--text-dim);
}
.ghost-btn:active { transform: scale(0.95); }

/* ===== 设置项 ===== */
.set-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 229, 255, 0.1);
  text-align: left;
}
.set-row label { flex: 0 0 76px; font-size: 15px; }
.set-row input[type="range"] {
  flex: 1;
  accent-color: var(--cyan);
  height: 28px;
}
#set-sens-val { flex: 0 0 48px; text-align: right; color: var(--cyan); }

.seg-group { display: flex; gap: 8px; flex: 1; }
.seg-group button {
  flex: 1;
  padding: 8px 0;
  font-size: 14px;
  font-family: var(--sans);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid rgba(207, 232, 240, 0.25);
  border-radius: 6px;
  cursor: pointer;
}
.seg-group button.active {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.25);
}

.toggle-btn {
  padding: 8px 26px;
  font-size: 14px;
  font-family: var(--sans);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid rgba(207, 232, 240, 0.25);
  border-radius: 6px;
  cursor: pointer;
}
.toggle-btn.active {
  color: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 10px rgba(0, 255, 157, 0.25);
}

/* ===== 数据统计面板 ===== */
.menu-btns { display: flex; gap: 14px; justify-content: center; }

.stats-card {
  width: min(94vw, 880px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  text-align: left;
}
.stats-card .panel-title { text-align: center; margin-bottom: 12px; }

/* 模式 tab：复用分段按钮风格，触屏友好 */
.stats-tabs { display: flex; gap: 8px; flex: 0 0 auto; }
.stats-tabs button {
  flex: 1;
  padding: 11px 0;
  font-size: 15px;
  letter-spacing: 2px;
  font-family: var(--sans);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid rgba(207, 232, 240, 0.25);
  border-radius: 6px;
  cursor: pointer;
}
.stats-tabs button.active {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.25);
}

/* 可滚动内容区（概览 + 图表 + 明细），触屏惯性滚动 */
.stats-body {
  margin-top: 14px;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

.stats-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.ov-item {
  padding: 10px 6px;
  background: rgba(0, 229, 255, 0.04);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: 8px;
  text-align: center;
}
.ov-label { display: block; font-size: 11px; color: var(--text-dim); letter-spacing: 2px; }
.ov-value {
  display: block;
  margin-top: 6px;
  font-size: 21px;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

.stats-chart-wrap {
  margin-top: 14px;
  height: 170px;
  padding: 6px;
  background: rgba(6, 10, 16, 0.6);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: 8px;
}
#stats-chart { width: 100%; height: 100%; display: block; }

.stats-list-head, .stats-list-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 8px;
  padding: 8px 6px;
}
.stats-list-head {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}
.stats-list-row {
  font-size: 13px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.08);
}
.stats-list-row .num { color: var(--cyan); }

.stats-empty {
  padding: 60px 0;
  text-align: center;
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--text-dim);
}

/* ===== 结算面板 · 排行榜提交 ===== */
.submit-row {
  margin-top: 16px;
  display: flex;
  gap: 10px;
}
#lb-nickname {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-size: 15px;
  font-family: var(--sans);
  color: var(--cyan);
  background: rgba(6, 10, 16, 0.6);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 8px;
  outline: none;
  /* 全局 user-select:none 会影响输入框，显式恢复 */
  -webkit-user-select: text;
  user-select: text;
}
#lb-nickname::placeholder { color: var(--text-dim); }
#lb-nickname:focus { border-color: var(--cyan); box-shadow: 0 0 10px rgba(0, 229, 255, 0.25); }
#btn-submit-score { flex: 0 0 auto; padding: 10px 18px; font-size: 14px; letter-spacing: 2px; }
#btn-submit-score:disabled { opacity: 0.5; cursor: default; }
.lb-status { margin-top: 10px; min-height: 18px; font-size: 13px; color: var(--text-dim); }
.lb-status.ok { color: var(--green); text-shadow: 0 0 8px rgba(0, 255, 157, 0.5); }
.lb-status.err { color: var(--red); }

/* ===== 在线排行榜面板（复用 stats-card / stats-tabs / stats-body） ===== */
.lb-list-head, .lb-row {
  display: grid;
  grid-template-columns: 0.7fr 1.8fr 1fr 1fr 1.3fr 1fr;
  gap: 8px;
  padding: 8px 6px;
  align-items: center;
}
.lb-list-head {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}
.lb-row {
  font-size: 13px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.08);
}
.lb-row .num { color: var(--cyan); }
.lb-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}