/* 三角洲行动 - 全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=ZCOOL+KuaiLe&display=swap');

/* ===== 启动闪屏 ===== */
.splash-screen {
  position: fixed; inset: 0; z-index: 9999;
  background: radial-gradient(ellipse at center, #0d1f1a 0%, #050a0a 70%, #000 100%);
  display: flex; align-items: center; justify-content: center;
  animation: splashFadeIn 0.4s ease-out;
}
.splash-screen.hide {
  animation: splashFadeOut 0.5s ease-in forwards;
  pointer-events: none;
}
.splash-content {
  text-align: center; animation: splashPulse 2s ease-in-out infinite;
}
.splash-logo {
  width: min(80vw, 520px); height: auto;
  filter: drop-shadow(0 0 20px rgba(0,255,170,0.3));
}
.splash-bar {
  width: min(80vw, 400px); height: 4px; margin: 20px auto 0;
  background: rgba(0,255,170,0.1); border: 1px solid rgba(0,255,170,0.3);
  overflow: hidden;
}
.splash-bar-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, #00ffaa, #008855);
  animation: splashLoad 1.8s ease-out forwards;
  box-shadow: 0 0 8px #00ffaa;
}
.splash-tip {
  margin-top: 14px; font-family: monospace; font-size: 12px;
  color: #00aa77; letter-spacing: 4px;
  animation: blink 1s step-end infinite;
}
@keyframes splashFadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes splashFadeOut {
  from { opacity: 1; } to { opacity: 0; }
}
@keyframes splashPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}
@keyframes splashLoad {
  0% { width: 0; }
  100% { width: 100%; }
}
@keyframes blink {
  50% { opacity: 0.4; }
}

:root {
  --bg: #0a0e1a;
  --panel: #131a2a;
  --panel2: #1c2540;
  --border: #2a3a5c;
  --accent: #00d4ff;
  --accent2: #ffb800;
  --danger: #ff3b3b;
  --ok: #2ecc71;
  --text: #e8eef7;
  --muted: #7a8aa8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'ZCOOL KuaiLe', 'Press Start 2P', monospace, sans-serif;
  -webkit-font-smoothing: none;
  image-rendering: pixelated;
  overflow: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 2px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  padding: 10px 18px;
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.08s;
  image-rendering: pixelated;
}
button:hover { background: var(--accent); color: #000; border-color: var(--accent); transform: translate(-1px,-1px); }
button:active { transform: translate(1px,1px); }
button.primary { background: var(--accent); color: #000; border-color: var(--accent); }
button.primary:hover { background: #fff; }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.danger:hover { background: #ff6b6b; color: #000; }
button.ghost { background: transparent; }
button:disabled { opacity: 0.4; cursor: not-allowed; }

input, select {
  font-family: inherit;
  background: #0a0e1a;
  border: 2px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  font-size: 16px;
  outline: none;
  width: 100%;
}
input:focus, select:focus { border-color: var(--accent); }

.pixel-border {
  border: 3px solid var(--border);
  box-shadow: 0 0 0 3px var(--bg), 4px 4px 0 0 rgba(0,0,0,0.4);
}

.panel {
  background: var(--panel);
  border: 3px solid var(--border);
  padding: 20px;
  position: relative;
}
.panel::before {
  content: '';
  position: absolute; top: -3px; left: -3px; right: -3px; height: 3px;
  background: var(--accent);
}
.panel.warn::before { background: var(--accent2); }
.panel.err::before { background: var(--danger); }

.title {
  font-family: 'Press Start 2P', monospace;
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--accent);
  text-shadow: 3px 3px 0 #000, 6px 6px 0 rgba(0,212,255,0.2);
}
.subtitle { color: var(--muted); font-size: 14px; letter-spacing: 2px; }

.grid { display: grid; gap: 12px; }
.row { display: flex; gap: 12px; align-items: center; }
.col { display: flex; flex-direction: column; gap: 12px; }
.center { display: flex; align-items: center; justify-content: center; }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }

.muted { color: var(--muted); }
.accent { color: var(--accent); }
.warn { color: var(--accent2); }
.danger { color: var(--danger); }
.ok { color: var(--ok); }

.toast {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 2px solid var(--accent);
  padding: 12px 24px; z-index: 9999; font-size: 14px;
  animation: toastIn 0.2s;
}
.toast.err { border-color: var(--danger); }
.toast.ok { border-color: var(--ok); }
@keyframes toastIn { from { opacity:0; transform: translate(-50%,-10px);} to {opacity:1; transform: translate(-50%,0);} }

/* ===== 背景星空动画 ===== */
.bg-stars {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(circle at 20% 30%, rgba(0,212,255,0.08), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,184,0,0.06), transparent 40%),
    var(--bg);
}
.bg-stars::before, .bg-stars::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, #fff, transparent),
    radial-gradient(1px 1px at 30% 60%, #fff, transparent),
    radial-gradient(1px 1px at 50% 80%, #fff, transparent),
    radial-gradient(1px 1px at 70% 30%, #fff, transparent),
    radial-gradient(1px 1px at 90% 50%, #fff, transparent),
    radial-gradient(1px 1px at 25% 75%, #fff, transparent),
    radial-gradient(1px 1px at 65% 15%, #fff, transparent),
    radial-gradient(1px 1px at 85% 85%, #fff, transparent);
  background-size: 100% 100%;
  animation: twinkle 4s infinite;
}
.bg-stars::after { animation-delay: 2s; opacity: 0.5; }
@keyframes twinkle { 0%,100%{opacity:0.3;} 50%{opacity:0.9;} }

/* ===== 登录页 ===== */
#authScreen {
  height: 100vh; width: 100vw;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.auth-box { width: 100%; max-width: 420px; }
.auth-box .title { font-size: 20px; line-height: 1.6; text-align: center; margin-bottom: 6px; }
.auth-box .subtitle { text-align: center; margin-bottom: 20px; }
.tab-row { display: flex; gap: 0; margin-bottom: 16px; }
.tab-row button { flex: 1; border-bottom: 0; }
.tab-row button.active { background: var(--accent); color: #000; border-color: var(--accent); }
.form-field { margin-bottom: 12px; }
.form-field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; letter-spacing: 1px; }

/* ===== 主菜单 ===== */
#menuScreen { height: 100vh; width: 100vw; display: flex; flex-direction: column; }
.menu-top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: var(--panel); border-bottom: 3px solid var(--border);
}
.menu-top .title { font-size: 16px; }
.user-info { display: flex; gap: 16px; align-items: center; font-size: 14px; }
.coin { color: var(--accent2); font-weight: bold; }
.menu-body {
  flex: 1; display: flex; padding: 20px; gap: 20px; overflow: hidden;
}
.menu-side {
  width: 240px; display: flex; flex-direction: column; gap: 12px;
}
.menu-side button { text-align: left; padding: 14px 16px; font-size: 15px; }
.menu-side button .icon { margin-right: 8px; }
.menu-main {
  flex: 1; overflow: auto; padding-right: 8px;
}
.menu-main::-webkit-scrollbar { width: 8px; }
.menu-main::-webkit-scrollbar-thumb { background: var(--border); }
.menu-main::-webkit-scrollbar-track { background: var(--panel); }

.section-title {
  font-family: 'Press Start 2P', monospace; font-size: 13px;
  color: var(--accent); margin-bottom: 14px; letter-spacing: 2px;
}

/* 干员卡片 */
.op-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(180px,1fr)); gap: 12px; }
.op-card {
  background: var(--panel2); border: 2px solid var(--border); padding: 14px;
  cursor: pointer; transition: all 0.1s; position: relative;
}
.op-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.op-card.selected { border-color: var(--accent2); background: #243156; }
.op-card.locked { opacity: 0.5; }
.op-card .op-icon { font-size: 36px; text-align: center; margin-bottom: 8px; }
.op-card .op-name { font-size: 14px; margin-bottom: 4px; }
.op-card .op-desc { font-size: 11px; color: var(--muted); line-height: 1.4; }
.op-card .op-price { color: var(--accent2); font-size: 13px; margin-top: 8px; }
.op-card .op-owned { color: var(--ok); font-size: 12px; margin-top: 8px; }
.op-card .op-stats { font-size: 11px; color: var(--muted); margin-top: 6px; }

/* 武器列表 */
.weapon-list { display: flex; flex-direction: column; gap: 8px; }
.weapon-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel2); border: 2px solid var(--border); padding: 10px 14px;
}
.weapon-row.equipped { border-color: var(--accent2); background: #243156; }
.weapon-row.locked { opacity: 0.6; }
.weapon-row .w-color { width: 8px; height: 36px; }
.weapon-row .w-name { flex: 1; }
.weapon-row .w-stats { font-size: 11px; color: var(--muted); }
.weapon-row .w-type { font-size: 10px; color: var(--accent); border: 1px solid var(--accent); padding: 2px 6px; }

/* 地图卡片 */
.map-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 14px; }
.map-card {
  height: 160px; border: 3px solid var(--border); cursor: pointer;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 14px; position: relative; overflow: hidden;
  transition: all 0.1s;
}
.map-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.map-card .map-icon { font-size: 60px; position: absolute; top: 10px; right: 14px; opacity: 0.4; }
.map-card .map-name { font-size: 18px; }
.map-card .map-desc { font-size: 12px; color: var(--muted); }
.map-card .map-stats { font-size: 11px; margin-top: 6px; }

/* 充值卡片 */
.recharge-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 14px; }
.recharge-card {
  background: var(--panel2); border: 2px solid var(--border); padding: 16px;
  text-align: center; cursor: pointer; transition: all 0.1s;
}
.recharge-card:hover { border-color: var(--accent2); transform: translateY(-2px); }
.recharge-card .r-icon { font-size: 40px; }
.recharge-card .r-name { font-size: 16px; margin: 8px 0; }
.recharge-card .r-amount { color: var(--accent2); font-size: 22px; font-weight: bold; }
.recharge-card .r-bonus { color: var(--ok); font-size: 12px; margin-top: 4px; }
.recharge-card .r-price { color: var(--muted); text-decoration: line-through; font-size: 13px; margin-top: 8px; }
.recharge-card .r-free { color: var(--ok); font-size: 14px; margin-top: 4px; font-weight: bold; }

/* 游戏HUD */
#gameScreen { height: 100vh; width: 100vw; position: relative; background: #000; overflow: hidden; }
#gameCanvas { display: block; width: 100%; height: 100%; cursor: crosshair; image-rendering: pixelated; }
.hud {
  position: absolute; pointer-events: none;
  font-family: 'Press Start 2P', monospace; color: #fff;
  text-shadow: 2px 2px 0 #000;
}
.hud-tl { top: 14px; left: 14px; }
.hud-tr { top: 14px; right: 14px; text-align: right; }
.hud-bl { bottom: 14px; left: 14px; }
.hud-br { bottom: 14px; right: 14px; text-align: right; }
.hud .label { font-size: 10px; color: var(--accent); }
.hud .val { font-size: 18px; }
.hud-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  text-align: center; pointer-events: none;
}
#crosshair {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 20px; height: 20px; pointer-events: none;
}
#crosshair::before, #crosshair::after {
  content: ''; position: absolute; background: var(--accent);
}
#crosshair::before { left: 50%; top: 0; width: 2px; height: 100%; transform: translateX(-50%); }
#crosshair::after { top: 50%; left: 0; height: 2px; width: 100%; transform: translateY(-50%); }

.hp-bar { width: 200px; height: 18px; background: rgba(0,0,0,0.6); border: 2px solid #000; }
.hp-fill { height: 100%; background: var(--ok); transition: width 0.2s; }
.hp-fill.low { background: var(--accent2); }
.hp-fill.crit { background: var(--danger); }

.ammo-display { font-size: 28px; }
.ammo-display .mag { color: var(--accent); }
.ammo-display .sep { color: var(--muted); }

.game-btn {
  position: absolute; pointer-events: auto;
  top: 14px; right: 200px; font-size: 12px; padding: 8px 12px;
}

#gameMsg {
  position: absolute; top: 30%; left: 50%; transform: translateX(-50%);
  font-family: 'Press Start 2P', monospace; font-size: 36px;
  color: var(--accent2); text-shadow: 4px 4px 0 #000;
  pointer-events: none; text-align: center;
}

#gameOver {
  position: absolute; inset: 0; background: rgba(0,0,0,0.85);
  display: none; align-items: center; justify-content: center; flex-direction: column;
  z-index: 100; pointer-events: auto;
}
#gameOver.show { display: flex; }
#gameOver .title { font-size: 36px; color: var(--danger); margin-bottom: 20px; }
#gameOver .stats { font-size: 16px; margin-bottom: 24px; line-height: 1.8; }

.killfeed {
  position: absolute; top: 60px; right: 14px; pointer-events: none;
  font-family: 'Press Start 2P', monospace; font-size: 10px;
}
.killfeed .row { background: rgba(0,0,0,0.6); padding: 4px 8px; margin-bottom: 4px; border-left: 3px solid var(--danger); }

.minimap {
  position: absolute; bottom: 14px; right: 14px;
  width: 160px; height: 100px; background: rgba(0,0,0,0.6);
  border: 2px solid var(--accent); pointer-events: none;
}

/* 聊天框 */
.chat-box {
  position: absolute; left: 14px; bottom: 110px;
  width: 320px; max-height: 140px; overflow: hidden;
  pointer-events: none; font-family: monospace; font-size: 12px;
  display: flex; flex-direction: column-reverse;
}
.chat-msg {
  background: rgba(0,0,0,0.55); padding: 3px 8px; margin-top: 3px;
  border-left: 3px solid var(--accent); color: #fff;
  animation: chatFade 6s forwards;
}
.chat-msg .who { color: var(--accent2); margin-right: 6px; }
.chat-msg.sys { border-left-color: var(--ok); color: var(--ok); }
@keyframes chatFade {
  0% { opacity: 0; transform: translateX(-10px); }
  5% { opacity: 1; transform: translateX(0); }
  85% { opacity: 1; }
  100% { opacity: 0; }
}

/* 聊天输入 */
.chat-input-wrap {
  position: absolute; left: 340px; bottom: 120px;
  display: flex; align-items: center; gap: 6px;
  pointer-events: auto; font-family: monospace;
  background: rgba(0,0,0,0.6); padding: 4px 10px;
  border: 2px solid var(--border);
}
.chat-input-wrap input {
  width: 240px; background: transparent; border: none; color: #fff;
  font-family: monospace; font-size: 13px; padding: 2px 0;
}
.chat-input-wrap input:focus { outline: none; }
.chat-input-wrap.active { border-color: var(--accent); }

/* 模式选择卡片 */
.mode-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 14px; }
.mode-card {
  background: var(--panel2); border: 3px solid var(--border); padding: 18px;
  cursor: pointer; transition: all 0.1s; position: relative;
}
.mode-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.mode-card.recommended { border-color: var(--accent2); }
.mode-card .m-icon { font-size: 36px; margin-bottom: 8px; }
.mode-card .m-name { font-size: 18px; margin-bottom: 6px; }
.mode-card .m-desc { font-size: 12px; color: var(--muted); line-height: 1.6; margin-bottom: 10px; }
.mode-card .m-tag {
  display: inline-block; font-size: 10px; padding: 2px 8px;
  border: 1px solid var(--accent); color: var(--accent); margin-right: 6px;
}
.mode-card .m-tag.warn { border-color: var(--accent2); color: var(--accent2); }
.mode-card .m-tag.ok { border-color: var(--ok); color: var(--ok); }

/* 模式选择后的地图选择 */
.choose-hint {
  background: var(--panel2); border: 2px solid var(--accent2);
  padding: 10px 14px; margin-bottom: 16px; font-size: 13px;
}
.choose-hint .back-link { color: var(--accent); cursor: pointer; text-decoration: underline; }