/* CS:GO Web — 竞技 FPS HUD / UI */
:root {
  --bg: #0d0f12;
  --panel: rgba(18, 22, 28, 0.92);
  --panel-border: #2a3340;
  --ink: #e8edf2;
  --muted: #8b98a8;
  --ct: #4a90d9;
  --t: #d4a017;
  --accent: #f0a030;
  --hp: #7dce82;
  --ap: #6eb3ff;
  --danger: #e25555;
  --mono: "SF Mono", "Consolas", "Menlo", monospace;
  --ui: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ui);
}

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

.hidden { display: none !important; }

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

#hud .panel {
  pointer-events: auto;
}

/* 准星 */
.crosshair {
  --gap: 10px;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
}
.crosshair .ch {
  position: absolute;
  background: #7dff7d;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.45);
}
.crosshair .ch.n {
  width: 2px; height: 8px;
  left: -1px; top: calc(-1 * (var(--gap) + 8px));
}
.crosshair .ch.s {
  width: 2px; height: 8px;
  left: -1px; top: var(--gap);
}
.crosshair .ch.w {
  width: 8px; height: 2px;
  left: calc(-1 * (var(--gap) + 8px)); top: -1px;
}
.crosshair .ch.e {
  width: 8px; height: 2px;
  left: var(--gap); top: -1px;
}
.crosshair .ch.dot {
  width: 2px; height: 2px;
  left: -1px; top: -1px;
}
.crosshair.hot .ch { background: #ff7d7d; }

#hitmarker {
  position: absolute;
  left: 50%; top: 50%;
  width: 24px; height: 24px;
  transform: translate(-50%, -50%);
  opacity: 0;
}
#hitmarker::before, #hitmarker::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 18px; height: 2px;
  background: #fff;
  transform-origin: center;
}
#hitmarker::before { transform: translate(-50%,-50%) rotate(45deg); }
#hitmarker::after { transform: translate(-50%,-50%) rotate(-45deg); }
#hitmarker.show { opacity: 1; }
#hitmarker.head::before, #hitmarker.head::after { background: var(--danger); width: 22px; }

#scope {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, transparent 28%, rgba(0,0,0,0.55) 29%, rgba(0,0,0,0.92) 38%),
    linear-gradient(#00000088, #00000088);
}
#scope::before, #scope::after {
  content: '';
  position: absolute;
  background: #000c;
}
#scope::before { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
#scope::after { top: 50%; left: 0; height: 2px; width: 100%; transform: translateY(-50%); }

#flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.05s;
}

#damage-vignette {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(180, 20, 20, 0.65) 100%);
  transition: opacity 0.15s;
}

/* 横幅 */
#banner, #kill-banner {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.2s;
  text-align: center;
  text-shadow: 0 2px 8px #000;
  letter-spacing: 0.04em;
}
#banner {
  top: 18%;
  font-size: 28px;
  font-weight: 700;
}
#banner.show, #kill-banner.show { opacity: 1; }
#kill-banner {
  top: 28%;
  font-size: 18px;
  color: var(--accent);
  font-weight: 600;
}

#killfeed {
  position: absolute;
  top: 70px;
  right: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}
.killfeed-row {
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(0,0,0,0.55);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
}
.kf-w { color: var(--muted); font-weight: 500; }

#hint {
  position: absolute;
  left: 50%;
  bottom: 120px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 12px;
}
#hint:not(:empty)::after {
  content: attr(data-gear);
  display: block;
  margin-top: 4px;
  color: var(--accent);
}

/* 进度条（装/拆弹） */
#progress-wrap {
  position: absolute;
  left: 50%;
  top: 58%;
  transform: translateX(-50%);
  width: 240px;
  text-align: center;
}
#progress-label {
  font-size: 13px;
  margin-bottom: 6px;
  text-shadow: 0 1px 3px #000;
}
.progress-track {
  height: 6px;
  background: rgba(0,0,0,0.55);
  border: 1px solid var(--panel-border);
  border-radius: 3px;
  overflow: hidden;
}
#progress-bar {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.05s linear;
}

/* 左下状态 */
.hud-bottom-left {
  position: absolute;
  left: 22px;
  bottom: 22px;
  display: flex;
  gap: 14px;
  align-items: flex-end;
}
.hud-block {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  text-shadow: 0 2px 6px #000;
}
.hud-block .icon {
  font-size: 18px;
  opacity: 0.8;
}
.hud-block.hp { color: var(--hp); }
.hud-block.ap { color: var(--ap); font-size: 22px; }
.hud-block.money {
  color: var(--accent);
  font-size: 22px;
  margin-left: 8px;
  padding: 4px 10px;
  background: rgba(0,0,0,0.4);
  border-radius: 3px;
}

/* 右下弹药 */
.hud-bottom-right {
  position: absolute;
  right: 22px;
  bottom: 22px;
  text-align: right;
  text-shadow: 0 2px 6px #000;
}
#hud-weapon {
  font-size: 16px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
#hud-ammo {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 700;
}

/* 顶部比分 */
.hud-top {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 20px;
  align-items: center;
  background: rgba(0,0,0,0.5);
  padding: 8px 18px;
  border-radius: 4px;
  border: 1px solid var(--panel-border);
}
#hud-score {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
}
.s-ct { color: var(--ct); }
.s-t { color: var(--t); }
.s-sep { color: var(--muted); margin: 0 4px; }
#hud-timer {
  font-family: var(--mono);
  font-size: 20px;
  min-width: 64px;
  text-align: center;
}
#hud-timer.urgent { color: var(--danger); animation: pulse 1s infinite; }

@keyframes pulse {
  50% { opacity: 0.5; }
}

/* ========== 面板 ========== */
.panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 20px 24px;
  min-width: 520px;
  max-width: 640px;
  max-height: 80vh;
  overflow: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,0.55);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.panel-head h2, .panel h2 {
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
#buy-money {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--accent);
}

#buy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.buy-section-title {
  grid-column: 1 / -1;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 4px;
}
.buy-item {
  pointer-events: auto;
  background: #1a212b;
  border: 1px solid var(--panel-border);
  color: var(--ink);
  border-radius: 4px;
  padding: 10px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--ui);
  transition: background 0.1s, border-color 0.1s;
}
.buy-item:hover:not(.disabled) {
  background: #243040;
  border-color: var(--accent);
}
.buy-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.bi-name { font-size: 13px; font-weight: 600; }
.bi-price { font-family: var(--mono); font-size: 12px; color: var(--accent); }

#buy-hint, #buy-hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* 记分板 */
#scoreboard {
  min-width: 480px;
}
#scoreboard table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 13px;
}
#scoreboard th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 6px 8px;
  border-bottom: 1px solid var(--panel-border);
}
#scoreboard td {
  padding: 6px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
#scoreboard tr.dead td { opacity: 0.45; }
#scoreboard tr.sb-team td {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding-top: 14px;
}

/* ========== 覆盖层菜单 ========== */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(20,28,40,0.88), rgba(5,7,10,0.96));
}
.menu-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 36px 42px;
  width: min(440px, 92vw);
  text-align: center;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.logo {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.logo span { color: var(--accent); }
.tagline {
  color: var(--muted);
  margin-bottom: 24px;
  letter-spacing: 0.2em;
  font-size: 13px;
}
.btn {
  display: block;
  width: 100%;
  margin: 8px 0;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: #1a212b;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, transform 0.08s;
}
.btn:hover {
  background: #243040;
  border-color: var(--accent);
}
.btn:active { transform: scale(0.98); }
.btn.primary {
  background: linear-gradient(180deg, #c8891e, #a06a10);
  border-color: #e0a040;
  color: #fff8ea;
}
.btn.primary:hover {
  background: linear-gradient(180deg, #d8992e, #b07a18);
}

.controls {
  margin-top: 24px;
  text-align: left;
  border-top: 1px solid var(--panel-border);
  padding-top: 16px;
}
.controls h3 {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.controls ul {
  list-style: none;
  font-size: 13px;
  color: var(--ink);
  line-height: 1.8;
}
kbd {
  display: inline-block;
  padding: 1px 6px;
  background: #1a212b;
  border: 1px solid var(--panel-border);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
}
.version {
  margin-top: 18px;
  font-size: 11px;
  color: var(--muted);
  opacity: 0.7;
}