/* ============================================
   Valorant Training Range - CSS Styles
   Aesthetic: Sharp angles, vibrant accents, 
   dark military tones with pink/blue accents
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Valorant-inspired palette */
  --bg-deep: #0b1119;
  --bg-dark: #0f1923;
  --bg-mid: #1a2332;
  --bg-panel: #1c2936;
  --accent-pink: #ff4655;
  --accent-pink-glow: #ff465580;
  --accent-blue: #00d4ff;
  --accent-blue-glow: #00d4ff40;
  --accent-gold: #ffd700;
  --accent-green: #14b866;
  --text-primary: #ece8e1;
  --text-secondary: #8b978f;
  --text-dim: #5b676f;
  --border-subtle: #2a3540;
  --border-accent: #ff4655;
  --danger: #ff4655;
  --success: #14b866;

  /* Typography —— 后面几项是系统字体兜底：Google Fonts 不可达时保证中文正常显示 */
  --font-display: 'Rajdhani', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', system-ui, sans-serif;
  --font-body: 'Noto Sans SC', 'Rajdhani', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', system-ui, sans-serif;

  /* Spacing */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  font-family: var(--font-body);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* ---- Game Container ---- */
#game-container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
}

#game-canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ---- Hidden Utility ---- */
.hidden {
  display: none !important;
}

/* ============================================
   BOOT GUARD —— 脚本未加载时的诊断提示
   ============================================ */
#boot-guard {
  position: absolute;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(11, 17, 25, 0.96);
}

.boot-guard-box {
  max-width: 620px;
  padding: 32px 36px;
  background: var(--bg-dark);
  border-left: 4px solid var(--danger);
  box-shadow: 0 0 40px rgba(255, 70, 85, 0.25);
}

.boot-guard-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--bg-deep);
  background: var(--danger);
}

.boot-guard-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.boot-guard-body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.boot-guard-body p + p {
  margin-top: 12px;
}

.boot-guard-body b {
  color: var(--text-primary);
}

.boot-guard-body code {
  padding: 2px 8px;
  font-family: Consolas, 'Courier New', monospace;
  font-size: 13px;
  color: var(--accent-blue);
  background: var(--bg-mid);
}

.boot-guard-fix {
  padding: 14px 16px;
  border-left: 3px solid var(--accent-green);
  background: rgba(20, 184, 102, 0.08);
  color: var(--text-primary);
}

/* ============================================
   HUD OVERLAY
   ============================================ */

#hud {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

/* ---- Top Bar ---- */
#top-bar {
  position: absolute;
  top: calc(24px + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 40px;
  background: linear-gradient(180deg, rgba(15, 25, 35, 0.95) 0%, rgba(15, 25, 35, 0.85) 100%);
  border: 1px solid var(--border-subtle);
  border-top: none;
  padding: 12px 48px;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 4% 100%);
}

#score-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.score-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-secondary);
}

#score-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  min-width: 60px;
  text-align: center;
}

/* ---- Boss 血条（M5a §9）：顶栏下方居中，70%/40% 阶段刻度线，转场期闪烁 ---- */
#boss-bar {
  position: absolute;
  top: calc(104px + var(--safe-top));
  left: 50%;
  transform: translateX(-50%);
  width: min(520px, 62vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

#boss-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 6px;
  color: #ff4655;
  text-shadow: 0 0 12px rgba(255, 70, 85, 0.6);
}

#boss-health-track {
  position: relative;
  width: 100%;
  height: 13px;
  background: rgba(8, 12, 18, 0.85);
  border: 1px solid rgba(255, 70, 85, 0.55);
  clip-path: polygon(6px 0, calc(100% - 6px) 0, 100% 50%, calc(100% - 6px) 100%, 6px 100%, 0 50%);
}

#boss-health-fill {
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 2px;
  width: 100%;
  background: linear-gradient(90deg, #ff4655, #ff7a5c);
  transition: width 0.15s ease-out;
}

/* 阶段刻度线：70% / 40%（与 levels.js L7 boss.phases 同源，转场阈值的视觉锚点） */
.boss-tick {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 2px;
  background: rgba(255, 215, 0, 0.9);
  z-index: 1;
}

/* 转场期整条闪烁（updateUI 按 bossState === 'transition' 挂摘） */
#boss-bar.blink #boss-health-track {
  animation: bossBlink 0.32s step-end infinite;
}

@keyframes bossBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Combo Display */
#combo-display {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 8px;
  animation: comboAppear 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#combo-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-gold);
  text-shadow: 0 0 20px var(--accent-gold);
  letter-spacing: 2px;
}

@keyframes comboAppear {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.8); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

/* Monster Count */
#monster-display {
  display: flex;
  align-items: center;
  gap: 4px;
}

.monster-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.monster-label.red {
  color: var(--accent-pink);
}

.monster-label.blue {
  color: var(--accent-blue);
}

/* 迅捷蟹标签（M3③）：琥珀金与蟹壳同系 */
.monster-label.crab {
  color: #ffb347;
}

.monster-count {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

/* Timer */
#timer-display {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

#timer-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

#timer-value.urgent {
  color: var(--accent-pink);
  animation: timerPulse 0.5s ease-in-out infinite;
}

@keyframes timerPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.timer-sec {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ---- Crosshair ---- */
#crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  pointer-events: none;
}

.crosshair-line {
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
}

.crosshair-line.top,
.crosshair-line.bottom {
  left: 50%;
  width: 1.5px;
  height: 8px;
  transform: translateX(-50%);
}

.crosshair-line.top {
  top: 0;
}

.crosshair-line.bottom {
  bottom: 0;
}

.crosshair-line.left,
.crosshair-line.right {
  top: 50%;
  width: 8px;
  height: 1.5px;
  transform: translateY(-50%);
}

.crosshair-line.left {
  left: 0;
}

.crosshair-line.right {
  right: 0;
}

.crosshair-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 2px;
  background: var(--accent-pink);
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

/* 准星扩散由 game.js updateCrosshairSpread() 每帧直接写 transform，
   这里刻意不加 transition：JS 驱动下 transition 会拖帧且与逐帧赋值冲突 */

/* ---- Bottom Bar ---- */
#bottom-bar {
  position: absolute;
  bottom: calc(32px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 32px;
  background: linear-gradient(0deg, rgba(15, 25, 35, 0.95) 0%, rgba(15, 25, 35, 0.85) 100%);
  border: 1px solid var(--border-subtle);
  border-bottom: none;
  padding: 12px 40px;
  clip-path: polygon(4% 0, 96% 0, 100% 100%, 0 100%);
}

/* Ammo */
#ammo-display {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

/* 武器名（M4②）：弹量左侧的小号标识 */
.weapon-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-right: 10px;
  text-transform: uppercase;
}

/* 武器槽位条（M4②）：数字键提示，owned 亮 / 未拥有灰 / 当前粉高亮。
   独立于 bottom-bar 定位（曾放 bar 内与弹药数字重叠，冒烟发现） */
#weapon-slots {
  position: absolute;
  bottom: calc(96px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  pointer-events: none;
}

.weapon-slot {
  padding: 4px 12px;
  background: rgba(8, 12, 18, 0.6);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-dim);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.weapon-slot.owned {
  color: var(--text-secondary);
}

.weapon-slot.current {
  color: var(--accent-pink);
  border-color: var(--accent-pink);
}

#ammo-current {
  color: var(--text-primary);
}

.ammo-divider {
  color: var(--text-dim);
  margin: 0 2px;
}

#ammo-max {
  color: var(--text-dim);
  font-size: 18px;
}

#ammo-current.low {
  color: var(--accent-pink);
  animation: ammoLow 0.5s ease-in-out infinite;
}

@keyframes ammoLow {
  0%, 100% { color: var(--accent-pink); }
  50% { color: var(--text-primary); }
}

/* Health —— 玩家血量，沿用弹药显示的排版风格 */
#health-display {
  display: flex;
  align-items: center;
  gap: 10px;
}

#health-current {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  min-width: 2ch;
  text-align: right;
}

#health-current.low {
  color: var(--accent-pink);
  animation: ammoLow 0.5s ease-in-out infinite;
}

#health-bar {
  width: 120px;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

#health-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #ff3b3b, #ff6b5e);
  box-shadow: 0 0 8px rgba(255, 59, 59, 0.6);
  transition: width 0.15s ease-out;
}

/* Damage flash —— 受击红闪：全屏覆盖、中心透明边缘红，不拦截输入 */
#damage-flash {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  opacity: 0;
  background: radial-gradient(ellipse at center,
    rgba(255, 0, 0, 0) 40%,
    rgba(255, 30, 30, 0.55) 100%);
}

/* Reload progress —— 换弹进度条，贴在弹匣信息条底部（相对 #bottom-bar 定位） */
#reload-bar {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

#reload-progress {
  width: 100%;
  height: 100%;
  background: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue-glow);
  /* 用 transform 而非 width 驱动进度：每帧只合成、不触发布局重排 */
  transform: scaleX(0);
  transform-origin: left center;
  opacity: 0;
  transition: opacity 0.15s ease;
}

/* Alert indicator */
#alert-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent-pink);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-pink);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  animation: alertPulse 0.8s ease-in-out infinite;
}

@keyframes alertPulse {
  0%, 100% { border-color: var(--accent-pink); color: var(--accent-pink); }
  50% { border-color: #ff0000; color: #ff0000; }
}

/* Reload hint */
#reload-hint {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-blue);
  text-shadow: 0 0 10px var(--accent-blue-glow);
  animation: reloadHintPulse 1s ease-in-out infinite;
}

@keyframes reloadHintPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Accuracy */
#accuracy-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.accuracy-label {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
}

#accuracy-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1;
}

/* ---- Hit Marker ---- */
#hit-marker {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 32px;
  height: 32px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

#hit-marker.show {
  animation: hitMarkerFade 0.4s ease-out forwards;
}

#hit-marker.show::before,
#hit-marker.show::after {
  content: '';
  position: absolute;
  background: var(--accent-pink);
}

#hit-marker.show::before {
  top: 45%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: rotate(45deg);
}

#hit-marker.show::after {
  top: 45%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: rotate(-45deg);
}

#hit-marker.headshot::before,
#hit-marker.headshot::after {
  background: var(--accent-gold);
}

@keyframes hitMarkerFade {
  0%   { opacity: 1; transform: translate(-50%, -50%) scale(0.3); }
  30%  { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
}

/* ---- Kill Feed ---- */
#kill-feed {
  position: absolute;
  top: calc(120px + var(--safe-top));
  right: calc(32px + var(--safe-right));
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
}

.kill-feed-entry {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(15, 25, 35, 0.9);
  border-left: 3px solid var(--accent-pink);
  padding: 6px 16px 6px 12px;
  animation: feedSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards,
             feedFadeOut 0.5s ease-out 2s forwards;
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0 100%);
}

/* 击杀播报按野怪阵营上色（与头顶血条同色系，一眼能看出杀的是哪种） */
.kill-feed-entry[data-type="red"]  { border-left-color: var(--accent-pink); }
.kill-feed-entry[data-type="blue"] { border-left-color: var(--accent-blue); }
.kill-feed-entry[data-type="crab"] { border-left-color: #ffb347; }
.kill-feed-entry[data-type="boss"] { border-left-color: #ffd700; }

.kill-feed-entry.headshot {
  border-left-color: var(--accent-gold);
  color: var(--accent-gold);
}

.kill-feed-entry.combo {
  border-left-color: var(--accent-blue);
  color: var(--accent-blue);
}

@keyframes feedSlideIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes feedFadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ============================================
   START SCREEN
   ============================================ */

#start-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  background: radial-gradient(ellipse at center, rgba(15, 25, 35, 0.6) 0%, rgba(11, 17, 25, 0.95) 100%);
}

.start-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(255, 70, 85, 0.05) 0%, transparent 50%),
    linear-gradient(225deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
}

.start-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 48px;
}

/* Logo */
.start-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-v {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 700;
  color: var(--accent-pink);
  text-shadow: 0 0 40px var(--accent-pink-glow);
  line-height: 1;
  position: relative;
}

.logo-sep {
  width: 2px;
  height: 60px;
  background: linear-gradient(180deg, var(--accent-pink), var(--accent-blue));
}

.logo-text {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 8px;
  text-transform: uppercase;
}

.start-subtitle {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 12px;
  text-transform: uppercase;
  margin-top: -8px;
}

.start-divider {
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-pink), transparent);
}

/* Instructions */
.start-instructions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.instruction-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  color: var(--text-secondary);
}

.key-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  padding: 4px 12px;
  background: var(--bg-mid);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 2px;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

/* Valorant Button */
.valorant-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 48px;
  background: var(--accent-pink);
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 4px;
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.15s ease;
  outline: none;
}

.valorant-btn:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.valorant-btn:active {
  transform: scale(0.97);
  filter: brightness(0.9);
}

.valorant-btn:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 4px;
}

.btn-slash {
  display: block;
  width: 2px;
  height: 24px;
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(15deg);
}

.start-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ---- 开始界面武器切换（M6）：点击或按 1/2/3，选中武器带入下一局 ---- */
#start-weapon-slots {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 18px;
}

.start-weapon-slot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: rgba(15, 25, 35, 0.75);
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 1px;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.start-weapon-slot .sws-key {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 6px;
}

.start-weapon-slot.owned {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.start-weapon-slot.owned:hover {
  border-color: var(--accent-pink);
  background: rgba(255, 70, 85, 0.08);
}

.start-weapon-slot.current {
  color: #ff4655;
  border-color: #ff4655;
  background: rgba(255, 70, 85, 0.12);
}

.start-weapon-slot.current .sws-key {
  color: #ff4655;
  background: rgba(255, 70, 85, 0.15);
}

.start-weapon-slot:disabled {
  cursor: default;
  opacity: 0.55;
}

/* ============================================
   END SCREEN
   ============================================ */

#end-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 25;
  background: rgba(11, 17, 25, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.end-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  padding: 56px 64px;
  clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  min-width: 360px;
}

.end-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 8px;
}

.end-divider {
  width: 80px;
  height: 2px;
  background: var(--accent-pink);
}

.end-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Grade */
.end-grade {
  margin: 8px 0;
}

#grade-letter {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   PAUSED INDICATOR
   ============================================ */

#paused-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 15;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 6px;
  background: rgba(15, 25, 35, 0.9);
  border: 1px solid var(--border-subtle);
  padding: 32px 64px;
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  animation: pausedBlink 2s ease-in-out infinite;
}

@keyframes pausedBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.paused-hint {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 3px;
}

/* 「放弃本关」：点击要穿透到 canvas（点别处=继续），仅按钮自身可点 */
#paused-indicator { pointer-events: none; }

#abandon-btn {
  pointer-events: auto;
  margin-top: 8px;
  padding: 8px 24px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

#abandon-btn:hover {
  color: var(--accent-pink);
  border-color: var(--accent-pink);
}

/* ============================================
   LEVEL SELECT SCREEN（M1⑤ §7 选关 UI）
   z-index 居于开始屏 20 与结算屏 25 之间
   ============================================ */

#level-select-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 22;
  background: rgba(11, 17, 25, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.select-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  padding: 40px 48px;
  clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  max-width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.select-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 8px;
}

.select-divider {
  width: 80px;
  height: 2px;
  background: var(--accent-pink);
}

/* 桌面 3 列；≤768px 移动端两列（§7） */
#level-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.level-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 170px;
  padding: 16px 18px;
  background: var(--bg-mid);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.15s ease;
  outline: none;
}

.level-card:hover {
  transform: scale(1.03);
  border-color: var(--accent-pink);
}

.level-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 2px;
}

.level-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.level-grade {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.level-score {
  font-size: 12px;
  color: var(--text-dim);
}

.level-lock {
  font-size: 12px;
  color: var(--text-secondary);
}

.level-card.locked {
  cursor: not-allowed;
  filter: grayscale(0.7) brightness(0.6);
}

.level-card.locked:hover {
  transform: none;
  border-color: var(--border-subtle);
}

/* 次级按钮变体（选择关卡 / 返回）：底色块代替粉底 */
.valorant-btn.ghost {
  background: var(--bg-mid);
  color: var(--text-primary);
}

/* 存档状态角标（§7）：已重置 / 写降级 */
#save-badge {
  position: fixed;
  bottom: calc(16px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  padding: 6px 18px;
  background: rgba(15, 25, 35, 0.92);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 12px;
  letter-spacing: 2px;
  pointer-events: none;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

/* ============================================
   MOBILE CONTROLS
   ============================================ */

#mobile-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 11;
}

#mobile-joystick {
  position: absolute;
  bottom: calc(80px + var(--safe-bottom));
  left: calc(32px + var(--safe-left));
  pointer-events: auto;
}

#joystick-base {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(15, 25, 35, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

#joystick-thumb {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: none;
}

#mobile-shoot-area {
  position: absolute;
  bottom: calc(80px + var(--safe-bottom));
  right: calc(32px + var(--safe-right));
  pointer-events: auto;
}

#mobile-shoot-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 70, 85, 0.2);
  border: 2px solid rgba(255, 70, 85, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease;
}

#mobile-shoot-btn:active {
  transform: scale(0.9);
  background: rgba(255, 70, 85, 0.4);
}

.shoot-icon {
  font-size: 24px;
  color: var(--accent-pink);
}

#mobile-reload-btn {
  position: absolute;
  bottom: calc(88px + var(--safe-bottom));
  right: calc(140px + var(--safe-right));
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.15);
  border: 2px solid rgba(0, 212, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-blue);
  transition: transform 0.1s ease;
}

/* 移动端切枪按钮（M4②）：循环下一把 owned 武器 */
#mobile-weapon-btn {
  position: absolute;
  bottom: calc(88px + var(--safe-bottom));
  right: calc(80px + var(--safe-right));
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 70, 85, 0.15);
  border: 2px solid rgba(255, 70, 85, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-pink);
  transition: transform 0.1s ease;
}

#mobile-weapon-btn:active {
  transform: scale(0.92);
}

#mobile-reload-btn:active {
  transform: scale(0.9);
  background: rgba(0, 212, 255, 0.3);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  #top-bar {
    gap: 24px;
    padding: 10px 24px;
    clip-path: polygon(0 0, 100% 0, 94% 100%, 6% 100%);
  }

  #score-value,
  #timer-value {
    font-size: 24px;
  }

  .score-label {
    font-size: 8px;
    letter-spacing: 2px;
  }

  #bottom-bar {
    gap: 16px;
    padding: 10px 24px;
    clip-path: polygon(6% 0, 94% 0, 100% 100%, 0 100%);
  }

  #ammo-display {
    font-size: 22px;
  }

  #accuracy-value {
    font-size: 16px;
  }

  .start-logo {
    flex-direction: column;
    gap: 8px;
  }

  .logo-sep {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
  }

  .logo-v { font-size: 56px; }
  .logo-text { font-size: 28px; letter-spacing: 4px; }

  .start-content {
    padding: 32px 24px;
    gap: 16px;
  }

  .valorant-btn {
    padding: 14px 36px;
    font-size: 16px;
    letter-spacing: 3px;
  }

  .end-content {
    padding: 40px 32px;
    min-width: 280px;
  }

  /* 选关卡片移动端两列（§7） */
  #level-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .select-content {
    padding: 28px 20px;
  }

  .end-title {
    font-size: 24px;
    letter-spacing: 4px;
  }

  .stat-value {
    font-size: 18px;
  }

  #grade-letter {
    font-size: 48px;
  }

  #crosshair {
    width: 20px;
    height: 20px;
  }

  .crosshair-line.top,
  .crosshair-line.bottom {
    height: 6px;
  }

  .crosshair-line.left,
  .crosshair-line.right {
    width: 6px;
  }

  #kill-feed {
    top: calc(100px + var(--safe-top));
    right: 16px;
  }

  .kill-feed-entry {
    font-size: 12px;
    padding: 4px 12px 4px 8px;
  }

  #paused-indicator {
    font-size: 20px;
    padding: 24px 48px;
    letter-spacing: 4px;
  }

  #mobile-controls {
    display: flex !important;
  }
}

@media (max-width: 480px) {
  #top-bar {
    gap: 16px;
    padding: 8px 16px;
    clip-path: polygon(0 0, 100% 0, 92% 100%, 8% 100%);
  }

  #score-value,
  #timer-value {
    font-size: 20px;
  }

  #bottom-bar {
    gap: 12px;
    padding: 8px 16px;
    clip-path: polygon(8% 0, 92% 0, 100% 100%, 0 100%);
  }

  #ammo-display {
    font-size: 18px;
  }

  #accuracy-value {
    font-size: 14px;
  }

  #joystick-base {
    width: 100px;
    height: 100px;
  }

  #joystick-thumb {
    width: 40px;
    height: 40px;
  }

  #mobile-shoot-btn {
    width: 64px;
    height: 64px;
  }

  #mobile-reload-btn {
    width: 40px;
    height: 40px;
    right: calc(120px + var(--safe-right));
    bottom: calc(95px + var(--safe-bottom));
  }

  .end-content {
    padding: 32px 24px;
    min-width: 260px;
    clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  }

  .stat-label {
    font-size: 12px;
  }

  .stat-value {
    font-size: 16px;
  }

  #grade-letter {
    font-size: 40px;
  }
}

/* Landscape mobile - reduce HUD size */
@media (max-height: 500px) and (orientation: landscape) {
  #top-bar {
    padding: 6px 24px;
    gap: 20px;
  }

  #score-value,
  #timer-value {
    font-size: 20px;
  }

  #bottom-bar {
    padding: 6px 24px;
    gap: 16px;
    bottom: 16px;
  }

  #ammo-display {
    font-size: 18px;
  }

  #mobile-joystick {
    bottom: 40px;
    left: 16px;
  }

  #joystick-base {
    width: 80px;
    height: 80px;
  }

  #joystick-thumb {
    width: 32px;
    height: 32px;
  }

  #mobile-shoot-area {
    bottom: 40px;
    right: 16px;
  }

  #mobile-shoot-btn {
    width: 56px;
    height: 56px;
  }

  #mobile-reload-btn {
    bottom: 48px;
    right: 100px;
    width: 36px;
    height: 36px;
  }
}