:root {
  --red: #e63946;
  --blue: #3a86ff;
  --ink: #0d1117;
  --panel: rgba(8, 12, 20, 0.62);
  --line: rgba(255, 255, 255, 0.14);
  --text: #e8eef5;
  --muted: rgba(232, 238, 245, 0.62);
  --accent: #ffb703;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--ink); color: var(--text); font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; overflow: hidden; user-select: none; }
canvas#game { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
.hidden { display: none !important; }

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

#crosshair { position: absolute; left: 50%; top: 50%; width: 0; height: 0; --gap: 6px; --len: 9px; }
.ch { position: absolute; background: #fff; box-shadow: 0 0 2px rgba(0, 0, 0, 0.9); }
.ch-t, .ch-b { width: 2px; height: var(--len); left: -1px; }
.ch-l, .ch-r { height: 2px; width: var(--len); top: -1px; }
.ch-t { bottom: var(--gap); } .ch-b { top: var(--gap); } .ch-l { right: var(--gap); } .ch-r { left: var(--gap); }
.ch-dot { position: absolute; width: 2px; height: 2px; left: -1px; top: -1px; background: #fff; }
#crosshair.hit .ch { background: #ff4d4d; }

#hitmarker { position: absolute; left: 50%; top: 50%; width: 0; height: 0; opacity: 0; transition: opacity 0.18s; }
#hitmarker span { position: absolute; width: 10px; height: 2px; background: #fff; box-shadow: 0 0 3px #000; }
#hitmarker span:nth-child(1) { transform: translate(6px, -8px) rotate(45deg); }
#hitmarker span:nth-child(2) { transform: translate(-16px, -8px) rotate(-45deg); }
#hitmarker span:nth-child(3) { transform: translate(6px, 6px) rotate(-45deg); }
#hitmarker span:nth-child(4) { transform: translate(-16px, 6px) rotate(45deg); }
#hitmarker.show { opacity: 1; transition: none; }
#hitmarker.head span { background: #ff3b3b; }

#scope { position: absolute; inset: 0; background: radial-gradient(circle at center, transparent 0, transparent 36vmin, rgba(0, 0, 0, 0.6) 37vmin, rgba(0, 0, 0, 0.98) 39vmin); }
.scope-ring { position: absolute; left: 50%; top: 50%; width: 74vmin; height: 74vmin; transform: translate(-50%, -50%); border: 4px solid #0a0a0a; border-radius: 50%; box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6); }
.scope-ring.inner { width: 72vmin; height: 72vmin; border: 1px solid rgba(255, 255, 255, 0.12); box-shadow: none; }
.scope-h { position: absolute; left: 13vmin; right: 13vmin; top: 50%; height: 1.5px; background: #000; transform: translateY(-50%); }
.scope-v { position: absolute; top: 13vmin; bottom: 13vmin; left: 50%; width: 1.5px; background: #000; transform: translateX(-50%); }
.scope-ticks.h { position: absolute; left: 50%; top: 50%; width: 40vmin; height: 8px; transform: translate(-50%, -50%); background: repeating-linear-gradient(90deg, #000 0 1.5px, transparent 1.5px 4vmin); }
.scope-ticks.v { position: absolute; left: 50%; top: 50%; width: 8px; height: 40vmin; transform: translate(-50%, -50%); background: repeating-linear-gradient(180deg, #000 0 1.5px, transparent 1.5px 4vmin); }
.scope-dot { position: absolute; left: 50%; top: 50%; width: 5px; height: 5px; transform: translate(-50%, -50%); background: #e63946; border-radius: 50%; box-shadow: 0 0 4px rgba(230, 57, 70, 0.9); }
#scope-zoom { position: absolute; left: 50%; top: calc(50% + 30vmin); transform: translateX(-50%); font-size: 14px; color: rgba(255, 255, 255, 0.75); letter-spacing: 2px; }
#crosshair.ads .ch { opacity: 0; }
#crosshair.ads .ch-dot { width: 3px; height: 3px; left: -1.5px; top: -1.5px; }

#damage-vignette { position: absolute; inset: 0; background: radial-gradient(circle at center, transparent 40%, rgba(200, 0, 0, 0.55) 100%); opacity: 0; transition: opacity 0.4s; }
#dmg-indicator { position: absolute; left: 50%; top: 50%; width: 0; height: 0; }
.dmg-arrow { position: absolute; left: -12px; top: -12px; width: 24px; height: 24px; transform-origin: center; opacity: 0.9; animation: dmgfade 0.9s forwards; }
.dmg-arrow::before { content: ""; position: absolute; left: 4px; top: -70px; width: 16px; height: 16px; background: rgba(255, 60, 60, 0.9); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
@keyframes dmgfade { to { opacity: 0; } }

#topbar { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; }
#topbar-team, #topbar-solo { display: flex; align-items: center; gap: 6px; }
.score.solo { border-left: 4px solid var(--accent); justify-content: space-between; }
.score.solo:last-child { border-left: 0; border-right: 4px solid #ff8c1a; }
#mode-line { font-size: 12px; color: var(--muted); background: var(--panel); border: 1px solid var(--line); padding: 3px 12px; }
#mode-line .sep { margin: 0 8px; opacity: 0.5; }
#mode-name { color: var(--accent); font-weight: 600; }
#protect-msg { position: absolute; left: 50%; top: 60%; transform: translateX(-50%); font-size: 14px; color: #7fd8ff; background: rgba(8, 12, 20, 0.55); border: 1px solid rgba(127, 216, 255, 0.4); padding: 4px 12px; }
#waiting-msg { position: absolute; left: 50%; top: 38%; transform: translateX(-50%); text-align: center; font-size: 18px; font-weight: 600; color: var(--accent); background: rgba(8, 12, 20, 0.6); border: 1px solid rgba(255, 183, 3, 0.4); padding: 10px 22px; }
#waiting-msg small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); margin-top: 4px; }
#mode-line .pure { color: #4cd964; font-weight: 600; }
#act-prompt { position: absolute; left: 50%; top: 58%; transform: translateX(-50%); text-align: center; background: rgba(8, 12, 20, 0.6); border: 1px solid rgba(255, 183, 3, 0.5); padding: 8px 18px; }
#act-text { font-size: 15px; font-weight: 600; color: var(--accent); }
.act-bar { width: 220px; height: 6px; margin: 6px auto 0; background: rgba(255, 255, 255, 0.12); }
#act-fill { height: 100%; width: 0; background: var(--accent); }
#objective { position: absolute; left: 50%; top: 92px; transform: translateX(-50%); font-size: 13px; color: var(--text); background: rgba(8, 12, 20, 0.55); border: 1px solid var(--line); padding: 4px 12px; white-space: nowrap; }
#objective .warn { color: #ff5c5c; font-weight: 700; }
label.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); cursor: pointer; }
a.link { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--accent); text-decoration: none; }
a.link:hover { text-decoration: underline; }
#gg-level { margin-top: 6px; font-size: 12px; color: var(--accent); background: var(--panel); border: 1px solid var(--line); padding: 4px 10px; display: inline-block; }
.cards.modes { grid-template-columns: repeat(3, 1fr); }
.cards.maps { grid-template-columns: repeat(4, 1fr); }
.cards.modes .card .d { min-height: 3em; }
.card.current { border-color: #4cd964; }
.card.current::after { content: "当前"; float: right; font-size: 10px; color: #4cd964; }
.card.pending::after { content: "已选，加入后投票"; float: right; font-size: 10px; color: var(--accent); }
.hint-inline { font-size: 12px; color: var(--accent); margin-top: 6px; min-height: 16px; }
.card .badge { display: inline-block; font-size: 10px; padding: 0 5px; margin-left: 4px; background: rgba(76, 217, 100, 0.2); color: #4cd964; }
.muted { color: var(--muted); font-weight: 400; }
#server-status { margin-top: 6px; }
.score { display: flex; align-items: center; gap: 10px; padding: 6px 14px; background: var(--panel); border: 1px solid var(--line); font-weight: 700; font-size: 20px; min-width: 120px; }
.score.red { border-left: 4px solid var(--red); justify-content: space-between; }
.score.blue { border-right: 4px solid var(--blue); justify-content: space-between; }
.score .team-name { font-size: 12px; opacity: 0.8; font-weight: 500; }
.score-mid { padding: 6px 10px; background: var(--panel); border: 1px solid var(--line); font-size: 12px; color: var(--muted); }

#killfeed { position: absolute; right: 16px; top: 210px; display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.kf { background: var(--panel); border: 1px solid var(--line); padding: 4px 10px; font-size: 13px; animation: kf-in 0.25s ease-out; }
.kf .red { color: var(--red); font-weight: 600; } .kf .blue { color: var(--blue); font-weight: 600; }
.kf .w { color: var(--muted); margin: 0 6px; font-size: 11px; }
.kf .hs { color: var(--accent); margin-left: 6px; font-size: 11px; }
.kf.me { border-color: var(--accent); }
@keyframes kf-in { from { transform: translateX(20px); opacity: 0; } }

#minimap { position: absolute; right: 16px; top: 16px; background: rgba(8, 12, 20, 0.7); border: 1px solid var(--line); }

#bottom-left { position: absolute; left: 20px; bottom: 20px; }
#health-wrap { display: flex; align-items: center; gap: 10px; background: var(--panel); border: 1px solid var(--line); padding: 10px 14px; }
.hp-label { font-size: 12px; color: var(--muted); }
.hp-bar { width: 200px; height: 12px; background: rgba(255, 255, 255, 0.1); }
#hp-fill { height: 100%; width: 100%; background: linear-gradient(90deg, #4cd964, #9be15d); transition: width 0.15s; }
#hp-fill.low { background: linear-gradient(90deg, #ff3b3b, #ff7b3b); }
#hp-num { font-size: 22px; font-weight: 700; min-width: 40px; text-align: right; }

#bottom-right { position: absolute; right: 20px; bottom: 20px; text-align: right; }
#weapon-name { font-size: 13px; color: var(--muted); letter-spacing: 1px; margin-bottom: 2px; }
#ammo { font-size: 38px; font-weight: 800; line-height: 1; text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6); }
#ammo .ammo-sep { color: var(--muted); font-size: 24px; margin: 0 4px; }
#ammo-reserve { font-size: 22px; color: var(--muted); }
#ammo.empty #ammo-mag { color: var(--red); }
#reload-bar { height: 4px; width: 160px; margin: 6px 0 6px auto; background: rgba(255, 255, 255, 0.1); opacity: 0; }
#reload-bar.show { opacity: 1; }
#reload-fill { height: 100%; width: 0; background: var(--accent); }
#slots { display: flex; gap: 6px; justify-content: flex-end; }
.slot { background: var(--panel); border: 1px solid var(--line); padding: 4px 8px; font-size: 11px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.slot b { color: var(--text); }
.slot.active { border-color: var(--accent); color: var(--text); }

#center-msg { position: absolute; left: 50%; top: 28%; transform: translateX(-50%); font-size: 30px; font-weight: 800; text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8); opacity: 0; transition: opacity 0.3s; text-align: center; white-space: nowrap; }
#center-msg.show { opacity: 1; }
#center-msg small { display: block; font-size: 14px; font-weight: 500; color: var(--muted); margin-top: 6px; }

#death-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: radial-gradient(circle, rgba(60, 0, 0, 0.3), rgba(0, 0, 0, 0.7)); }
.death-title { font-size: 40px; font-weight: 800; color: #ff5c5c; text-shadow: 0 2px 12px #000; }
#death-by { margin-top: 8px; font-size: 16px; color: var(--muted); }
#respawn-count { margin-top: 20px; font-size: 22px; }

#chat { position: absolute; left: 20px; bottom: 90px; width: 380px; }
#chat-log { display: flex; flex-direction: column; gap: 2px; font-size: 13px; max-height: 160px; overflow: hidden; }
.chat-line { background: rgba(8, 12, 20, 0.5); padding: 2px 8px; animation: chatfade 12s forwards; }
.chat-line .red { color: var(--red); font-weight: 600; } .chat-line .blue { color: var(--blue); font-weight: 600; } .chat-line .sys { color: var(--accent); }
@keyframes chatfade { 0%, 80% { opacity: 1; } 100% { opacity: 0; } }
#chat-input { pointer-events: auto; width: 100%; margin-top: 4px; background: rgba(8, 12, 20, 0.85); border: 1px solid var(--accent); color: var(--text); padding: 6px 10px; font-size: 14px; outline: none; }

#scoreboard { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; gap: 14px; background: rgba(8, 12, 20, 0.88); border: 1px solid var(--line); padding: 18px; min-width: 680px; }
.sb-col { flex: 1; }
.sb-col h3 { margin: 0 0 8px; font-size: 16px; padding-bottom: 6px; border-bottom: 2px solid; }
.sb-col.red h3 { border-color: var(--red); color: var(--red); } .sb-col.blue h3 { border-color: var(--blue); color: var(--blue); }
.sb-col table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sb-col th { text-align: left; color: var(--muted); font-weight: 500; padding: 4px 6px; }
.sb-col td { padding: 4px 6px; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.sb-col td:nth-child(2), .sb-col td:nth-child(3), .sb-col th:nth-child(2), .sb-col th:nth-child(3) { text-align: right; width: 60px; }
.sb-col tr.me td { color: var(--accent); }
.sb-col tr.dead td { opacity: 0.5; }
.sb-col .bot { font-size: 10px; color: var(--muted); margin-left: 4px; }

#hint { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); font-size: 11px; color: rgba(232, 238, 245, 0.45); white-space: nowrap; }

/* ============ 菜单 ============ */
#menu { position: fixed; inset: 0; display: block; overflow-y: auto; background: radial-gradient(ellipse at 50% 30%, rgba(30, 50, 80, 0.85), rgba(8, 12, 20, 0.95)); backdrop-filter: blur(4px); z-index: 10; }
.menu-card { width: 600px; max-width: calc(100vw - 32px); margin: 24px auto; background: rgba(12, 18, 30, 0.92); border: 1px solid var(--line); padding: 22px 30px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6); }
.menu-card h1 { margin: 0; font-size: 34px; letter-spacing: 2px; background: linear-gradient(90deg, #ffb703, #ff5c6a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.menu-card .sub { margin: 2px 0 18px; color: var(--muted); font-size: 13px; }
.row { margin-bottom: 14px; }
.row label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.row input { width: 100%; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); color: var(--text); padding: 9px 12px; font-size: 14px; outline: none; }
.row input:focus { border-color: var(--accent); }
.seg { display: flex; gap: 6px; }
.seg button, .menu-card button { background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); color: var(--text); padding: 8px 14px; font-size: 13px; cursor: pointer; }
.seg button.active { border-color: var(--accent); background: rgba(255, 183, 3, 0.12); }
.seg button.pending { border-color: var(--accent); border-style: dashed; }
.seg button.red.active { border-color: var(--red); background: rgba(230, 57, 70, 0.15); }
.seg button.blue.active { border-color: var(--blue); background: rgba(58, 134, 255, 0.15); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.card { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); padding: 10px; cursor: pointer; }
.card.active { border-color: var(--accent); background: rgba(255, 183, 3, 0.12); }
.card .n { font-weight: 700; font-size: 14px; }
.card .d { font-size: 11px; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.tip { font-size: 11px; color: var(--muted); margin: 8px 0 0; }
button.primary { width: 100%; padding: 12px; font-size: 16px; font-weight: 700; background: linear-gradient(90deg, #ff5c6a, #e63946); border: 0; margin-top: 4px; }
button.primary:hover { filter: brightness(1.1); }
#resume-btn { width: 100%; padding: 10px; margin-top: 8px; }
#menu-status { margin-top: 10px; font-size: 12px; color: var(--accent); min-height: 16px; }
.menu-foot { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.menu-foot code { background: rgba(255, 255, 255, 0.08); padding: 1px 5px; }