:root {
  --bg: #05040d;
  --fg: #eef0ff;
  --dim: #8d92b8;
  --line: rgba(160, 170, 255, 0.18);
  --panel: rgba(12, 10, 30, 0.72);
  --accent: #4ff0ff;
  --accent2: #ff3ca0;
  --pulse: 1;
  --cn: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  --mono: "Cascadia Mono", "Cascadia Code", Consolas, "SF Mono", "Roboto Mono", monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--cn);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}
#gl { position: fixed; inset: 0; display: block; }
#ui { position: fixed; inset: 0; pointer-events: none; }

button {
  font-family: var(--cn);
  font-size: 18px;
  color: var(--fg);
  background: rgba(10, 8, 26, 0.55);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 26px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: transform 0.08s, box-shadow 0.15s, border-color 0.15s, background 0.15s;
  outline: none;
}
button:hover, button:focus-visible, button.focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 55%, transparent), inset 0 0 10px color-mix(in srgb, var(--accent) 25%, transparent);
  text-shadow: 0 0 8px var(--accent);
}
button.primary {
  background: color-mix(in srgb, var(--accent) 18%, rgba(10, 8, 26, 0.6));
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
}
button:active { transform: scale(0.97); }
button:disabled { opacity: 0.35; cursor: default; box-shadow: none; text-shadow: none; }

/* ---------------- 屏幕 ---------------- */
.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  pointer-events: auto;
  padding: 24px;
}
.screen.show { display: flex; animation: fadeIn 0.25s ease-out; }
.screen.overlay { background: radial-gradient(ellipse at center, rgba(5, 4, 13, 0.35), rgba(5, 4, 13, 0.82)); }
#scr-chars, #scr-results, #scr-shop, #scr-records, #scr-ach, #scr-settings, #scr-help {
  background: radial-gradient(ellipse at center, rgba(5, 4, 13, 0.72), rgba(5, 4, 13, 0.94));
}
#scr-pause { background: radial-gradient(ellipse at center, rgba(5, 4, 13, 0.6), rgba(5, 4, 13, 0.9)); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.logo { display: flex; flex-direction: column; align-items: center; transform: scale(var(--pulse)); transition: transform 0.05s; }
.logo-cn {
  font-size: clamp(48px, 9vw, 120px);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: #fff;
  text-shadow: -3px 0 var(--accent2), 3px 0 var(--accent), 0 0 18px var(--accent), 0 0 60px color-mix(in srgb, var(--accent) 60%, transparent);
}
.logo-en {
  font-family: var(--mono);
  font-size: clamp(14px, 1.8vw, 22px);
  letter-spacing: 0.9em;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent);
  margin-top: 6px;
  padding-left: 0.9em;
}
.logo.small .logo-cn { font-size: clamp(40px, 6vw, 84px); }
.boot-hint { margin-top: 40px; font-size: 20px; letter-spacing: 0.2em; color: var(--fg); text-shadow: 0 0 10px var(--accent); }
.boot-sub { color: var(--dim); font-size: 14px; letter-spacing: 0.1em; }
.blink { animation: blink 1.4s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.err { color: #ff6a7a; max-width: 640px; text-align: center; line-height: 1.6; }

.menu { display: flex; flex-direction: column; gap: 10px; min-width: 260px; margin-top: 20px; }
.menu button { width: 100%; }
.menu-foot { display: flex; gap: 28px; color: var(--dim); font-size: 14px; margin-top: 16px; font-family: var(--mono); }
.menu-foot span b { color: #ffd84a; }

.scr-title { margin: 0; font-size: 30px; letter-spacing: 0.12em; text-shadow: 0 0 12px var(--accent); }
.scr-title small { font-size: 14px; color: var(--dim); letter-spacing: 0.05em; margin-left: 12px; text-shadow: none; }
.row-btns { display: flex; gap: 14px; margin-top: 8px; }

/* ---------------- 角色 ---------------- */
.char-list { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; max-width: 1400px; }
.char {
  --c: #4ff0ff;
  width: 230px;
  min-height: 300px;
  padding: 18px 16px;
  border-radius: 10px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 8%, rgba(10, 8, 26, 0.94)), rgba(7, 6, 18, 0.95));
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  position: relative;
  outline: none;
  transition: transform 0.12s, border-color 0.15s, box-shadow 0.15s;
}
.char:hover, .char.sel { border-color: var(--c); box-shadow: 0 0 18px color-mix(in srgb, var(--c) 45%, transparent), inset 0 0 22px color-mix(in srgb, var(--c) 12%, transparent); transform: translateY(-4px); }
.char .c-name { font-size: 30px; font-weight: 800; color: var(--c); text-shadow: 0 0 12px var(--c); }
.char .c-en { font-family: var(--mono); font-size: 12px; letter-spacing: 0.4em; color: var(--c); opacity: 0.8; }
.char .c-genre { font-family: var(--mono); font-size: 15px; color: var(--fg); }
.char .c-desc { font-size: 13px; color: var(--dim); line-height: 1.6; flex: 1; }
.char .c-row { font-size: 13px; color: var(--fg); }
.char .c-row b { color: var(--c); font-weight: 600; }
.char .c-best { font-family: var(--mono); font-size: 12px; color: #ffd84a; }
.char.locked { cursor: default; }
.char.locked > :not(.c-lock) { filter: grayscale(0.9); opacity: 0.45; }
.char.locked:hover { transform: none; box-shadow: none; border-color: var(--line); }
.char .c-lock { font-size: 12px; color: #ffc0c0; line-height: 1.5; border-top: 1px solid var(--line); padding-top: 8px; }

/* ---------------- HUD ---------------- */
.hud { position: absolute; inset: 0; display: none; pointer-events: none; }
.hud.show { display: block; }
#hud-top { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); width: min(56vw, 780px); display: flex; flex-direction: column; align-items: center; gap: 4px; }
.tl { position: relative; width: 100%; height: 12px; border-radius: 3px; overflow: hidden; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); }
.tl-secs { position: absolute; inset: 0; }
.tl-sec { position: absolute; top: 0; bottom: 0; opacity: 0.55; border-right: 1px solid rgba(0, 0, 0, 0.6); }
.tl-sec.past { opacity: 0.22; }
.tl-sec.boss::after { content: "◆"; position: absolute; left: 2px; top: -3px; font-size: 11px; color: #fff; text-shadow: 0 0 6px #fff; }
.tl-head { position: absolute; top: -3px; bottom: -3px; width: 2px; background: #fff; box-shadow: 0 0 8px #fff, 0 0 16px var(--accent); }
.tl-label { display: flex; justify-content: space-between; width: 100%; font-size: 13px; color: var(--dim); letter-spacing: 0.06em; }
.tl-label #tl-sec { color: var(--fg); font-weight: 600; }
.tl-label #tl-info b { color: #ffd84a; }
.boss-bar { display: none; width: 80%; margin-top: 6px; text-align: center; }
.boss-bar.show { display: block; }
.boss-name { font-size: 15px; letter-spacing: 0.3em; color: #fff; text-shadow: 0 0 10px #ff3c7a; margin-bottom: 3px; }
.boss-track { height: 8px; border: 1px solid rgba(255, 60, 122, 0.6); border-radius: 2px; background: rgba(255, 60, 122, 0.08); overflow: hidden; }
.boss-fill { height: 100%; width: 100%; background: linear-gradient(90deg, #ff3c7a, #ffb03c); box-shadow: 0 0 10px #ff3c7a; transition: width 0.1s; }

#hud-left { position: absolute; top: 14px; left: 16px; width: 230px; display: flex; flex-direction: column; gap: 8px; }
.hp { display: flex; align-items: center; gap: 8px; }
.hp-track { flex: 1; height: 10px; border-radius: 2px; background: rgba(255, 59, 92, 0.1); border: 1px solid rgba(255, 59, 92, 0.45); overflow: hidden; }
.hp-track { position: relative; }
.hp-fill { position: relative; height: 100%; background: linear-gradient(90deg, #ff3b5c, #ff8a6a); box-shadow: 0 0 10px #ff3b5c; transition: width 0.12s; }
/* 掉血痕迹：白色残影比红条晚一点缩回去，让人看清这一下掉了多少 */
.hp-lag { position: absolute; left: 0; top: 0; bottom: 0; background: #ffe6ea; transition: width 0.5s ease-in 0.35s; }
.hp.hit { animation: hpHit 0.35s ease-out; }
@keyframes hpHit { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-5px); } 40% { transform: translateX(4px); } 60% { transform: translateX(-3px); } 80% { transform: translateX(2px); } }
.hp.low .hp-track { animation: lowHp 0.6s ease-in-out infinite; }
.hp.low #hp-text { color: #ff6a7a; font-weight: 700; }
@keyframes lowHp { 50% { border-color: #fff; box-shadow: 0 0 12px #ff3b5c; } }
/* 受击数字 */
.dmg-layer { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.dmg { position: absolute; transform: translate(-50%, 0); white-space: nowrap; text-align: center; animation: dmgUp 1.2s ease-out forwards; text-shadow: 0 0 6px #000, 0 0 10px #000; }
.dmg b { display: block; font-family: var(--mono); font-size: 26px; font-weight: 900; color: #ff4a64; text-shadow: 0 0 8px #ff3b5c, 0 0 2px #000; }
.dmg span { display: block; font-size: 13px; color: #ffd0d6; letter-spacing: 0.08em; }
.dmg.shield span { color: #ff9ae0; font-size: 14px; }
@keyframes dmgUp { 0% { opacity: 0; transform: translate(-50%, 8px) scale(1.4); } 12% { opacity: 1; transform: translate(-50%, 0) scale(1); } 70% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -34px); } }
#hp-text { font-family: var(--mono); font-size: 12px; color: #ffb0b8; min-width: 54px; text-align: right; }
.lv-row { display: flex; justify-content: space-between; align-items: baseline; }
.lv { font-family: var(--mono); font-size: 18px; font-weight: 700; color: var(--accent); text-shadow: 0 0 8px var(--accent); }
.combo { font-family: var(--mono); font-size: 13px; color: #ffd84a; text-shadow: 0 0 8px #ffd84a; }
.vu { position: relative; width: 180px; height: 96px; }
.vu canvas { display: block; }
.vu-label { position: absolute; left: 0; right: 0; bottom: 2px; text-align: center; font-size: 12px; color: var(--dim); letter-spacing: 0.2em; }
.mixer { display: flex; flex-direction: column; gap: 4px; margin-top: 2px; }
.ch {
  --c: #fff;
  display: grid;
  grid-template-columns: 22px 1fr auto 6px;
  align-items: center;
  gap: 6px;
  padding: 3px 6px;
  border-radius: 4px;
  background: rgba(10, 8, 26, 0.45);
  border-left: 2px solid var(--c);
  font-size: 13px;
}
.ch .ic { color: var(--c); text-shadow: 0 0 8px var(--c); font-size: 15px; text-align: center; }
.ch .nm { color: var(--fg); white-space: nowrap; overflow: hidden; }
.ch .nm .rm { color: #ffd84a; font-size: 11px; margin-left: 4px; }
.pips { display: flex; gap: 2px; }
.pip { width: 5px; height: 9px; border-radius: 1px; background: rgba(255, 255, 255, 0.12); }
.pip.on { background: var(--c); box-shadow: 0 0 5px var(--c); }
.meter { width: 6px; height: 16px; background: rgba(255, 255, 255, 0.06); border-radius: 1px; position: relative; overflow: hidden; }
.meter i { position: absolute; left: 0; right: 0; bottom: 0; height: 100%; background: var(--c); box-shadow: 0 0 6px var(--c); transform-origin: bottom; transform: scaleY(0); }
.fxrack { display: flex; flex-wrap: wrap; gap: 4px; }
.fxchip { --c: #fff; font-size: 12px; padding: 2px 7px; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--c) 60%, transparent); color: var(--c); background: rgba(10, 8, 26, 0.5); }
.fxchip b { font-family: var(--mono); font-weight: 600; margin-left: 3px; }

#hud-right { position: absolute; top: 12px; right: 18px; text-align: right; display: flex; flex-direction: column; gap: 2px; }
.time { font-family: var(--mono); font-size: 30px; font-weight: 700; text-shadow: 0 0 10px var(--accent); }
.kills { font-family: var(--mono); font-size: 15px; color: #ff8aa0; }
.kills::before { content: "击杀 "; color: var(--dim); font-family: var(--cn); font-size: 12px; }
.key { font-size: 13px; color: var(--dim); }
.chord { font-family: var(--mono); font-size: 22px; color: var(--accent); text-shadow: 0 0 10px var(--accent); }
.chord::before { content: "和弦 "; font-family: var(--cn); font-size: 12px; color: var(--dim); text-shadow: none; }

#hud-xp { position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: rgba(79, 240, 255, 0.06); }
.xp-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), #b07aff); box-shadow: 0 0 12px var(--accent); transition: width 0.1s; }

.banner { position: absolute; top: 24%; left: 0; right: 0; text-align: center; opacity: 0; pointer-events: none; }
.banner .b-cn { font-size: 64px; font-weight: 900; letter-spacing: 0.3em; padding-left: 0.3em; color: #fff; text-shadow: -3px 0 var(--accent2), 3px 0 var(--accent), 0 0 30px var(--accent); }
.banner .b-en { font-family: var(--mono); font-size: 16px; letter-spacing: 1em; padding-left: 1em; color: var(--accent); text-shadow: 0 0 10px var(--accent); }
.banner.go { animation: bannerIn 2.2s ease-out forwards; }
.banner.big .b-cn { font-size: 104px; }
@keyframes bannerIn {
  0% { opacity: 0; transform: scale(1.4); letter-spacing: 0.6em; }
  10% { opacity: 1; transform: scale(1); }
  75% { opacity: 1; }
  100% { opacity: 0; transform: scale(0.96); }
}
.count { position: absolute; top: 38%; left: 0; right: 0; text-align: center; font-family: var(--mono); font-size: 150px; font-weight: 900; color: #fff; opacity: 0; text-shadow: 0 0 30px var(--accent), 0 0 80px var(--accent2); }
.count.go { animation: countIn 0.46s ease-out forwards; }
@keyframes countIn { 0% { opacity: 1; transform: scale(1.5); } 100% { opacity: 0; transform: scale(0.85); } }
.judge { position: absolute; left: 50%; top: calc(50% - 74px); transform: translateX(-50%); font-family: var(--mono); font-weight: 800; font-size: 20px; letter-spacing: 0.15em; opacity: 0; white-space: nowrap; }
.judge.go { animation: judgeIn 0.6s ease-out forwards; }
.judge.perfect { color: #fff; text-shadow: 0 0 10px var(--accent), 0 0 24px var(--accent); }
.judge.good { color: #9fe8ff; }
.judge.miss { color: #8d92b8; font-size: 15px; }
@keyframes judgeIn { 0% { opacity: 1; transform: translate(-50%, 6px) scale(1.3); } 100% { opacity: 0; transform: translate(-50%, -18px) scale(1); } }
.toast { position: absolute; top: 33%; left: 0; right: 0; text-align: center; opacity: 0; }
.toast .t-cn { font-size: 34px; font-weight: 800; letter-spacing: 0.25em; color: #fff; text-shadow: 0 0 18px var(--accent2); }
.toast .t-en { font-family: var(--mono); font-size: 13px; letter-spacing: 0.7em; color: var(--accent2); }
.toast.go { animation: bannerIn 1.8s ease-out forwards; }
.hint { position: absolute; bottom: 40px; left: 0; right: 0; text-align: center; font-size: 16px; color: var(--fg); text-shadow: 0 0 10px #000, 0 0 6px var(--accent); opacity: 0; transition: opacity 0.6s; letter-spacing: 0.06em; }
.hint.show { opacity: 1; }
.hint b { color: var(--accent); }

/* ---------------- 升级卡片 ---------------- */
.lv-title { margin: 0; font-size: 40px; letter-spacing: 0.3em; text-shadow: 0 0 16px var(--accent); }
.lv-title small { font-family: var(--mono); font-size: 14px; letter-spacing: 0.5em; color: var(--accent); }
.lv-hint { color: var(--dim); font-size: 14px; letter-spacing: 0.05em; }
.lv-hint b { color: var(--fg); }
.cards { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.card {
  --c: #4ff0ff;
  width: 240px;
  min-height: 320px;
  padding: 18px 16px 14px;
  border-radius: 10px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 10%, rgba(12, 10, 30, 0.88)), rgba(8, 6, 20, 0.92));
  border: 1px solid color-mix(in srgb, var(--c) 30%, transparent);
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
  position: relative;
  transition: transform 0.12s, box-shadow 0.15s, border-color 0.15s;
}
.card .k-num { position: absolute; top: 8px; left: 10px; font-family: var(--mono); font-size: 12px; color: var(--dim); }
.card .k-type { position: absolute; top: 8px; right: 10px; font-size: 11px; color: var(--c); letter-spacing: 0.15em; }
.card .k-icon { font-size: 54px; text-align: center; color: var(--c); text-shadow: 0 0 14px var(--c), 0 0 34px var(--c); margin-top: 14px; line-height: 1.1; }
.card .k-name { font-size: 26px; font-weight: 800; text-align: center; color: #fff; }
.card .k-en { font-family: var(--mono); font-size: 11px; letter-spacing: 0.35em; text-align: center; color: var(--c); }
.card .k-tag { align-self: center; font-size: 12px; padding: 2px 10px; border-radius: 10px; border: 1px solid var(--c); color: var(--c); }
.card .k-tag.new { background: var(--c); color: #05040d; font-weight: 700; }
.card .k-desc { font-size: 14px; line-height: 1.6; color: var(--fg); text-align: center; flex: 1; }
.card .k-sub { font-size: 12px; color: var(--dim); text-align: center; }
.card .pips { justify-content: center; }
.card .pip { width: 14px; height: 6px; }
.card .pip.next { background: var(--c); animation: blink 0.93s ease-in-out infinite; }
.card .k-listen { position: absolute; bottom: -12px; left: 50%; transform: translateX(-50%); font-size: 12px; padding: 2px 10px; border-radius: 10px; background: var(--c); color: #05040d; font-weight: 700; opacity: 0; transition: opacity 0.15s; white-space: nowrap; }
.card.sel { transform: translateY(-10px) scale(1.04); border-color: var(--c); box-shadow: 0 0 24px color-mix(in srgb, var(--c) 55%, transparent), inset 0 0 30px color-mix(in srgb, var(--c) 16%, transparent); }
.card.sel .k-listen { opacity: 1; animation: blink 0.93s ease-in-out infinite; }
.card.remix { border-color: #ffd84a; }
.card.reveal { animation: reveal 0.5s ease-out both; }
@keyframes reveal { 0% { opacity: 0; transform: rotateY(90deg) scale(0.8); } 100% { opacity: 1; transform: none; } }
.lv-keys { display: flex; gap: 20px; color: var(--dim); font-size: 13px; margin-top: 10px; }
.lv-keys span.off { opacity: 0.3; }
.lv-warn { min-height: 20px; color: #ffd84a; font-size: 14px; text-shadow: 0 0 8px #000; }
#cards.locked .card { opacity: 0.75; }

.pause-build { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; max-width: 800px; }

/* ---------------- 结算 ---------------- */
#scr-results { gap: 14px; }
.res-head { text-align: center; }
.res-title { font-size: 22px; letter-spacing: 0.5em; padding-left: 0.5em; color: var(--accent); text-shadow: 0 0 10px var(--accent); }
.res-song { font-size: 48px; font-weight: 900; margin: 6px 0; text-shadow: -2px 0 var(--accent2), 2px 0 var(--accent), 0 0 24px var(--accent); }
.res-meta { font-family: var(--mono); font-size: 14px; color: var(--dim); }
.res-body { display: flex; align-items: center; gap: 22px; }
.res-grade { font-family: var(--mono); font-size: 120px; font-weight: 900; width: 140px; text-align: center; color: #fff; text-shadow: 0 0 30px var(--accent), 0 0 60px var(--accent2); }
.res-arr { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px; }
#res-canvas, #rec-canvas { display: block; }
.res-stats { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 8px 24px; font-size: 14px; }
.res-stats div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding: 3px 0; }
.res-stats span { color: var(--dim); }
.res-stats b { font-family: var(--mono); color: var(--fg); }
.res-gain { text-align: center; font-size: 15px; line-height: 1.8; }
.res-gain .notes { color: #ffd84a; font-family: var(--mono); font-size: 20px; }
.res-gain .gain-ach { color: var(--accent); text-shadow: 0 0 8px var(--accent); }

/* ---------------- 工作室 ---------------- */
.shop-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 1100px; width: 100%; }
.shop-wrap h3 { margin: 0 0 8px; font-size: 16px; color: var(--accent); letter-spacing: 0.2em; }
.shop-list { display: flex; flex-direction: column; gap: 6px; max-height: 60vh; overflow: auto; padding-right: 6px; }
.shop-item { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 8px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.shop-item .s-name { font-weight: 700; }
.shop-item .s-desc { font-size: 12px; color: var(--dim); }
.shop-item button { padding: 6px 14px; font-size: 14px; min-width: 96px; }
.shop-item .pip { width: 10px; height: 10px; border-radius: 50%; }
.shop-item .pip.on { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.shop-item.done { opacity: 0.7; }

/* ---------------- 唱片架 / 成就 ---------------- */
.rec-list { display: flex; flex-direction: column; gap: 6px; width: min(900px, 92vw); max-height: 40vh; overflow: auto; }
.rec { display: grid; grid-template-columns: 1fr auto auto; gap: 14px; align-items: center; padding: 8px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.rec .r-name { font-size: 18px; font-weight: 700; }
.rec .r-meta { font-size: 12px; color: var(--dim); font-family: var(--mono); }
.rec .r-grade { font-family: var(--mono); font-size: 26px; font-weight: 900; color: var(--accent); }
.rec button { padding: 6px 14px; font-size: 14px; }
.rec .r-btns { display: flex; gap: 6px; }
.rec.playing { border-color: var(--accent); box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 40%, transparent); }
.rec-player { display: none; flex-direction: column; align-items: center; gap: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
.rec-player.show { display: flex; }
#rec-now { font-family: var(--mono); color: var(--dim); font-size: 13px; }
.empty { color: var(--dim); padding: 30px; text-align: center; }
.ach-list { display: grid; grid-template-columns: repeat(2, minmax(280px, 1fr)); gap: 8px; max-width: 900px; }
.ach { padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; opacity: 0.5; }
.ach.on { opacity: 1; border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.ach .a-name { font-weight: 700; }
.ach.on .a-name { color: var(--accent); text-shadow: 0 0 8px var(--accent); }
.ach .a-desc { font-size: 13px; color: var(--dim); }
.ach .a-unlock { font-size: 12px; color: #ffd84a; }

/* ---------------- 设置 ---------------- */
.settings { display: flex; flex-direction: column; gap: 10px; width: min(560px, 92vw); }
.set-row { display: grid; grid-template-columns: 140px 1fr 70px; gap: 14px; align-items: center; }
.set-row label { color: var(--fg); }
.set-row .val { font-family: var(--mono); color: var(--dim); text-align: right; }
.set-row input[type=range] { width: 100%; accent-color: var(--accent); }
.seg { display: flex; gap: 6px; }
.seg button { padding: 5px 12px; font-size: 14px; }
.seg button.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 20%, transparent); }
.calib { display: flex; gap: 14px; align-items: center; color: var(--dim); font-size: 14px; }
.calib button { padding: 6px 14px; font-size: 14px; }
#calib-out { font-family: var(--mono); color: var(--fg); min-width: 160px; }

.help { max-width: 760px; line-height: 1.9; font-size: 16px; color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px 26px; }
.help p { margin: 6px 0; }
.help b { color: var(--accent); }

.debug { position: absolute; left: 12px; bottom: 16px; font-family: var(--mono); font-size: 12px; line-height: 1.5; color: #9fffd0; background: rgba(0, 0, 0, 0.6); padding: 8px 10px; border-radius: 4px; white-space: pre; display: none; pointer-events: none; }
.debug.show { display: block; }
.fps { position: absolute; right: 10px; bottom: 12px; font-family: var(--mono); font-size: 12px; color: var(--dim); display: none; }
.fps.show { display: block; }

@media (max-width: 900px) {
  #hud-left { width: 180px; transform: scale(0.85); transform-origin: top left; }
  .res-stats { grid-template-columns: repeat(2, 1fr); }
  .shop-wrap { grid-template-columns: 1fr; }
  .card { width: 200px; min-height: 280px; }
}