/* 星海全面战争 · Babylon 轨 · R0 骨架样式（中文界面，暗色史诗基调：金/蓝紫点缀） */
:root {
  --gold: #ffc24b;
  --gold-dim: #b98a2e;
  --blue: #7fb3ff;
  --violet: #b07bff;
  --red: #ff5a6e;
  --green: #57e0a0;
  --bg: #04060f;
  --panel: rgba(8, 12, 26, 0.88);
  --panel-line: rgba(255, 194, 75, 0.28);
  --text: #e8eefc;
  --text-dim: #93a2c4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Droid Sans Fallback", sans-serif;
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

#renderCanvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
}

/* ---------- 覆盖层：默认不拦截指针 ---------- */
#hud {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}
#hud .clickable { pointer-events: auto; }

/* 注意：不使用 backdrop-filter —— Chromium 会把同层先前绘制的元素一并降采样，
   导致标题等兄弟节点文字发虚（本环境实测）。改用更实的半透明底 + 阴影保证可读性。 */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 10px;
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.55), inset 0 0 26px rgba(80, 120, 255, 0.06);
}

/* ---------- 降级横幅（不得静默降级） ---------- */
#degrade-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  padding: 7px 14px;
  text-align: center;
  font-size: 14px;
  letter-spacing: 1px;
  color: #1a1204;
  background: linear-gradient(90deg, #ffcf6a, #ffb020 45%, #ffcf6a);
  border-bottom: 1px solid #ffe6a8;
  font-weight: 700;
}
#degrade-banner .sub { font-weight: 400; opacity: 0.8; margin-left: 8px; }
body.degraded .panel-top { top: 46px; }
body.degraded #hud { padding-top: 8px; }

/* ---------- 顶部中文标题 ---------- */
.game-title {
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}
.game-title .t {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 10px;
  color: var(--gold);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9), 0 0 26px rgba(255, 180, 60, 0.35);
}
.game-title .s {
  margin-top: 3px;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--text-dim);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.9);
}
body.degraded .game-title { top: 44px; }

/* ---------- 顶部资源栏 / 回合 ---------- */
.top-bar {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  gap: 10px;
  align-items: stretch;
}

#hud .panel-top { top: 12px; }
.res-panel {
  display: flex;
  gap: 16px;
  padding: 9px 14px;
  align-items: center;
}
.res-item { display: flex; flex-direction: column; line-height: 1.2; min-width: 74px; }
.res-item .label { font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }
.res-item .value { font-size: 16px; font-weight: 700; }
.res-item.energy .value { color: var(--blue); }
.res-item.alloy .value { color: var(--gold); }
.res-item.manpower .value { color: var(--green); }
.res-item .delta { font-size: 10px; color: var(--text-dim); }

.turn-panel {
  position: absolute;
  top: 12px; right: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 14px;
}
.turn-panel .turn-block { display: flex; flex-direction: column; line-height: 1.18; min-width: 62px; }
.turn-panel .turn-num { font-size: 22px; font-weight: 800; color: var(--gold); }
.turn-panel .turn-label { font-size: 12px; color: var(--text-dim); letter-spacing: 2px; }
.turn-panel .phase-name { font-size: 14px; font-weight: 700; color: var(--blue); }
.turn-panel .phase-name.ai { color: var(--red); }
.turn-panel .phase-name.over { color: var(--gold); }
.turn-panel .phase-timer { font-size: 11px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
button.btn:disabled { cursor: default; filter: grayscale(0.7) brightness(0.6); }

/* ---------- 阶段横幅（回合阶段提示） ---------- */
.phase-banner {
  position: absolute;
  top: 74px; left: 50%;
  transform: translateX(-50%) translateY(-6px);
  padding: 6px 20px;
  border-radius: 999px;
  background: rgba(8, 12, 26, 0.82);
  border: 1px solid var(--panel-line);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--text);
  opacity: 0;
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
  white-space: nowrap;
}
.phase-banner.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.phase-banner.ai { border-color: rgba(255, 90, 110, 0.5); color: #ffd9de; }
.phase-banner.over { border-color: var(--gold); color: #ffe9b8; }
.phase-banner .pb-faction { margin-left: 10px; color: var(--text-dim); }
body.degraded .phase-banner { top: 94px; }

button.btn {
  pointer-events: auto;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #1a1204;
  background: linear-gradient(180deg, #ffd572, #f0ad33);
  border: 1px solid #ffe6a8;
  border-radius: 8px;
  padding: 9px 16px;
  transition: transform .08s ease, filter .15s ease;
}
button.btn:hover { filter: brightness(1.08); }
button.btn:active { transform: translateY(1px); }

/* ---------- 右侧选中信息面板 ---------- */
.side-panel {
  position: absolute;
  top: 66px; right: 12px;
  width: 268px;
  padding: 14px;
}
.side-panel h2 {
  margin: 0 0 2px 0;
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 1px;
}
.side-panel .sel-tags { display: flex; gap: 6px; align-items: center; margin-bottom: 10px; }
.side-panel .rare {
  display: inline-block;
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.side-panel .badge {
  display: inline-block;
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.side-panel .badge.capital { color: var(--gold); }
.side-panel .badge.yard { color: var(--green); }
.side-panel .kv { display: flex; justify-content: space-between; font-size: 13px; padding: 5px 0; border-bottom: 1px dashed rgba(140, 160, 210, 0.16); }
.side-panel .kv .k { color: var(--text-dim); }
.side-panel .hint { margin-top: 12px; font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.side-panel .actions { margin-top: 11px; display: flex; flex-direction: column; gap: 6px; }
.side-panel .act-row { display: flex; gap: 6px; }
.side-panel .act {
  pointer-events: auto;
  cursor: pointer;
  flex: 1;
  font-family: inherit;
  font-size: 12px;
  padding: 7px 6px;
  color: var(--text);
  background: rgba(30, 40, 70, 0.7);
  border: 1px solid rgba(140, 160, 210, 0.3);
  border-radius: 7px;
  transition: filter .15s ease, background .15s ease;
}
.side-panel .act:hover:not(:disabled) { filter: brightness(1.15); }
.side-panel .act:disabled { cursor: default; opacity: 0.45; }
.side-panel .act-primary {
  font-weight: 700;
  color: #1a1204;
  background: linear-gradient(180deg, #ffd572, #f0ad33);
  border-color: #ffe6a8;
}
.side-panel .act-primary:disabled {
  color: var(--text-dim);
  background: rgba(30, 40, 70, 0.7);
  border-color: rgba(140, 160, 210, 0.3);
  opacity: 0.5;
}
.side-panel .act-hint { font-size: 11px; color: var(--text-dim); line-height: 1.5; }

/* ---------- R2 舰队列面板 ---------- */
.fleet-panel {
  position: absolute;
  left: 12px; top: 66px;
  width: 268px;
  padding: 10px 12px 12px;
  pointer-events: auto;
  max-height: 46vh;
  display: flex;
  flex-direction: column;
}
body.degraded .fleet-panel { top: 96px; }
.fleet-panel .fp-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.fleet-panel .fp-title { font-size: 14px; font-weight: 700; color: var(--gold); letter-spacing: 2px; flex: 1; }
.fleet-panel .fp-count {
  font-size: 11px; font-weight: 700; color: var(--text);
  background: rgba(80, 120, 255, 0.22); border: 1px solid rgba(140, 170, 255, 0.35);
  border-radius: 999px; padding: 0 8px;
}
.fleet-panel .fp-list { overflow-y: auto; max-height: 16vh; margin-bottom: 7px; }
.fleet-panel .fp-empty { font-size: 11px; color: var(--text-dim); padding: 3px 2px; }
.fleet-panel .fp-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: 'nm nm st' 'cp cp lo';
  gap: 1px 6px;
  align-items: center;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  border: 1px solid transparent;
}
.fleet-panel .fp-row:hover { background: rgba(80, 120, 255, 0.12); }
.fleet-panel .fp-row.selected { background: rgba(255, 194, 75, 0.16); border-color: rgba(255, 194, 75, 0.4); }
.fleet-panel .fp-row .r-nm { grid-area: nm; font-weight: 700; color: var(--text); }
.fleet-panel .fp-row .r-cp { grid-area: cp; color: var(--gold); }
.fleet-panel .fp-row .r-lo { grid-area: lo; color: var(--text-dim); text-align: right; }
.fleet-panel .fp-row .r-st { grid-area: st; color: var(--green); text-align: right; }
.fleet-panel .fp-row .r-st.moving { color: var(--blue); }
.fleet-panel .fp-detail { border-top: 1px dashed rgba(140, 160, 210, 0.2); padding-top: 7px; }
.fleet-panel .fp-name { font-size: 14px; font-weight: 700; color: var(--gold); margin-bottom: 4px; }
.fleet-panel .kv { display: flex; justify-content: space-between; font-size: 12px; padding: 3px 0; }
.fleet-panel .kv .k { color: var(--text-dim); }
.fleet-panel .fp-actions { display: flex; gap: 5px; margin-top: 7px; }
.fleet-panel .fp-actions .act {
  pointer-events: auto; cursor: pointer; flex: 1; font-family: inherit; font-size: 12px;
  padding: 6px 4px; color: var(--text); background: rgba(30, 40, 70, 0.7);
  border: 1px solid rgba(140, 160, 210, 0.3); border-radius: 7px;
}
.fleet-panel .fp-actions .act:hover:not(:disabled) { filter: brightness(1.15); }
.fleet-panel .fp-actions .act:disabled { cursor: default; opacity: 0.4; }
.fleet-panel .fp-actions .act-primary {
  font-weight: 700; color: #1a1204;
  background: linear-gradient(180deg, #ffd572, #f0ad33); border-color: #ffe6a8;
}
.fleet-panel .fp-actions .act-primary:disabled {
  color: var(--text-dim); background: rgba(30, 40, 70, 0.7);
  border-color: rgba(140, 160, 210, 0.3); opacity: 0.5;
}
.fleet-panel .act-hint { margin-top: 6px; font-size: 11px; color: var(--text-dim); line-height: 1.5; }

/* ---------- 遭遇占位弹窗 ---------- */
#encounter-overlay {
  position: fixed; inset: 0; z-index: 66;
  display: none;
  align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, rgba(40, 10, 16, 0.82) 0%, rgba(4, 6, 15, 0.94) 72%);
}
#encounter-overlay.show { display: flex; }
.enc-card { width: 440px; padding: 24px 28px 22px; text-align: center; pointer-events: auto; border-color: rgba(255, 90, 110, 0.5); }
.enc-kicker { font-size: 12px; letter-spacing: 6px; color: var(--red); }
.enc-title { font-size: 26px; font-weight: 800; letter-spacing: 3px; margin: 8px 0 8px; color: #ffd9de; }
.enc-desc { font-size: 13px; color: var(--text); opacity: 0.92; line-height: 1.6; margin-bottom: 14px; }
.enc-compare { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 12px; }
.enc-compare .enc-side {
  display: flex; flex-direction: column; gap: 3px;
  min-width: 108px; padding: 8px 10px; border-radius: 8px;
  background: rgba(30, 40, 70, 0.45); border: 1px solid rgba(140, 160, 210, 0.28);
}
.enc-compare .enc-side .lab { font-size: 11px; color: var(--text-dim); letter-spacing: 1px; }
.enc-compare .enc-side .val { font-size: 20px; font-weight: 800; color: var(--gold); font-variant-numeric: tabular-nums; }
.enc-compare .enc-vs { font-size: 15px; font-weight: 800; color: var(--red); letter-spacing: 1px; }
.enc-note { font-size: 11px; color: var(--text-dim); line-height: 1.6; margin-bottom: 16px; }
.enc-actions { display: flex; gap: 10px; justify-content: center; }
.enc-actions #enc-retreat {
  pointer-events: auto; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 700;
  padding: 9px 20px; color: var(--text); background: rgba(30, 40, 70, 0.8);
  border: 1px solid rgba(140, 160, 210, 0.35); border-radius: 8px;
}
.enc-actions #enc-retreat:hover { filter: brightness(1.15); }

/* ---------- 资源增减动画 ---------- */
@keyframes resBumpUp { 0% { transform: scale(1); } 35% { transform: scale(1.28); } 100% { transform: scale(1); } }
.res-item .value.bump-up { animation: resBumpUp .7s ease; color: #8dffc9 !important; }
.res-item .value.bump-down { animation: resBumpUp .7s ease; color: var(--red) !important; }
.res-item .value { display: inline-block; transform-origin: left center; }

/* ---------- 左下 性能/画质 ---------- */
.perf-panel {
  position: absolute;
  left: 12px; bottom: 12px;
  padding: 10px 12px;
  min-width: 216px;
}
.perf-row { display: flex; justify-content: space-between; font-size: 12px; padding: 2px 0; }
.perf-row .k { color: var(--text-dim); }
.perf-row .v { font-weight: 700; }
#fps-value.good { color: var(--green); }
#fps-value.mid { color: var(--gold); }
#fps-value.bad { color: var(--red); }
.mode-tag { font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid currentColor; }
.mode-tag.webgpu { color: var(--green); }
.mode-tag.webgl2 { color: var(--gold); }
.quality-btns { display: flex; gap: 6px; margin-top: 8px; }
.quality-btns button {
  pointer-events: auto;
  cursor: pointer;
  flex: 1;
  font-family: inherit;
  font-size: 12px;
  padding: 5px 0;
  color: var(--text);
  background: rgba(30, 40, 70, 0.7);
  border: 1px solid rgba(140, 160, 210, 0.3);
  border-radius: 6px;
}
.quality-btns button.active {
  color: #1a1204;
  background: linear-gradient(180deg, #ffd572, #f0ad33);
  border-color: #ffe6a8;
  font-weight: 700;
}

/* ---------- 提示 toast ---------- */
#toast {
  position: absolute;
  left: 50%; bottom: 84px;
  transform: translateX(-50%) translateY(12px);
  padding: 9px 22px;
  font-size: 14px;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity .3s ease, transform .3s ease;
  white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 图例 ---------- */
.legend {
  position: absolute;
  left: 12px; bottom: 206px;
  padding: 9px 12px;
  font-size: 12px;
  min-width: 216px;
}
.legend .lg-title { font-size: 11px; letter-spacing: 2px; color: var(--text-dim); margin-bottom: 5px; }
.legend .lg-row {
  display: flex; align-items: center; gap: 7px;
  padding: 3px 5px; color: var(--text-dim);
  border-radius: 6px;
  transition: background .2s ease, color .2s ease;
}
.legend .lg-row .lg-name { flex: 1; }
.legend .lg-row .lg-count { font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.legend .lg-row .lg-you { font-size: 10px; color: var(--gold); }
.legend .lg-row.active { background: rgba(255, 90, 110, 0.16); color: var(--text); }
.legend .dot { width: 9px; height: 9px; border-radius: 50%; box-shadow: 0 0 8px currentColor; background: currentColor; flex: none; }
.legend .lg-row.neutral .lg-count { color: var(--text-dim); font-weight: 400; }

/* ---------- 结算界面 ---------- */
#victory-overlay {
  position: fixed; inset: 0; z-index: 70;
  display: none;
  align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, rgba(10, 16, 40, 0.86) 0%, rgba(2, 4, 10, 0.95) 72%);
}
#victory-overlay.show { display: flex; }
.vc-card {
  width: 480px;
  padding: 26px 30px 24px;
  text-align: center;
  pointer-events: auto;
}
.vc-kicker { font-size: 12px; letter-spacing: 6px; color: var(--text-dim); }
.vc-winner { font-size: 34px; font-weight: 800; letter-spacing: 4px; margin: 10px 0 6px; color: var(--gold); }
.vc-reason { font-size: 14px; color: var(--text); opacity: 0.9; margin-bottom: 16px; }
.vc-stats { display: flex; flex-direction: column; gap: 5px; text-align: left; margin-bottom: 18px; }
.vc-stat {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; padding: 4px 8px; border-radius: 6px;
  background: rgba(30, 40, 70, 0.4);
}
.vc-stat.win { background: rgba(255, 194, 75, 0.16); border: 1px solid rgba(255, 194, 75, 0.4); }
.vc-stat .dot { width: 9px; height: 9px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; flex: none; }
.vc-stat .nm { flex: 1; }
.vc-stat .pct { font-variant-numeric: tabular-nums; font-weight: 700; }
.vc-btn { font-size: 15px; padding: 10px 30px; }

/* ---------- 启动/错误遮罩 ---------- */
#boot-overlay {
  position: fixed; inset: 0; z-index: 60;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
  background: radial-gradient(ellipse at center, #0a1230 0%, #04060f 70%);
  transition: opacity .5s ease;
}
#boot-overlay.hidden { opacity: 0; pointer-events: none; }
#boot-overlay .title { font-size: 34px; font-weight: 800; color: var(--gold); letter-spacing: 8px; }
#boot-overlay .sub { font-size: 13px; color: var(--text-dim); letter-spacing: 3px; }
#boot-overlay .bar { width: 260px; height: 3px; background: rgba(140,160,210,0.2); border-radius: 2px; overflow: hidden; }
#boot-overlay .bar i { display: block; height: 100%; width: 30%; background: var(--gold); animation: slide 1.1s ease-in-out infinite; }
@keyframes slide { 0% { margin-left: -30%; } 100% { margin-left: 100%; } }

#fatal {
  position: fixed; inset: 0; z-index: 80;
  display: none;
  flex-direction: column; gap: 10px;
  align-items: center; justify-content: center;
  background: rgba(4, 6, 15, 0.94);
  padding: 40px;
  text-align: center;
}
#fatal.show { display: flex; }
#fatal .t { color: var(--red); font-size: 20px; font-weight: 700; }
#fatal pre { color: var(--text-dim); font-size: 12px; max-width: 720px; white-space: pre-wrap; }