/* ============ MUSCLE FORGE · 高端健身App风 ============ */
:root {
  --bg: #0b0d10;
  --bg2: #14171d;
  --panel: rgba(21, 25, 31, .94);
  --panel2: rgba(28, 33, 41, .9);
  --border: rgba(255, 255, 255, .07);
  --border-hi: rgba(255, 255, 255, .14);
  --text: #eceef1;
  --text-dim: #99a1ac;
  --text-faint: #5f6771;
  --amber: #ffa028;
  --amber-hi: #ffc46a;
  --amber-dim: rgba(255, 160, 40, .14);
  --red: #e4573d;
  --mono: "SF Mono", "Cascadia Code", Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }
body {
  background: var(--bg);
  font-family: var(--sans);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

/* ---------- 3D 舞台 ---------- */
#stage { position: fixed; inset: 0; z-index: 1; touch-action: none; cursor: grab; }
#stage.dragging { cursor: grabbing; }
#stage canvas { position: absolute; inset: 0; display: block; }

#marker {
  position: absolute; width: 15px; height: 15px; margin: -8px 0 0 -8px;
  border: 2px solid var(--amber); transform: rotate(45deg);
  box-shadow: 0 0 14px rgba(255,160,40,.55);
  pointer-events: none; display: none;
  animation: marker-pulse 1.5s ease-in-out infinite;
}
@keyframes marker-pulse {
  0%, 100% { transform: rotate(45deg) scale(1); }
  50%      { transform: rotate(45deg) scale(1.3); }
}

#tooltip {
  position: absolute; z-index: 30;
  padding: 8px 13px;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0,0,0,.5);
  pointer-events: none;
  opacity: 0; transform: translateY(4px);
  transition: opacity .15s, transform .15s;
  white-space: nowrap;
}
#tooltip.show { opacity: 1; transform: translateY(0); }
#tooltip .tt-cn { font-size: 14px; font-weight: 700; }
#tooltip .tt-en { font-size: 10px; color: var(--text-dim); font-family: var(--mono); margin-top: 2px; }

/* ---------- 加载遮罩 ---------- */
#loader {
  position: fixed; inset: 0; z-index: 90;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, #161a21 0%, #0b0d10 70%);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s ease;
}
#loader.done { opacity: 0; pointer-events: none; }
.loader-box { text-align: center; width: min(340px, 80vw); }
.loader-logo {
  font-size: 30px; font-weight: 900; letter-spacing: 4px; color: var(--text);
  margin-bottom: 26px;
}
.loader-logo em { font-style: normal; color: var(--amber); }
.loader-bar {
  height: 4px; border-radius: 2px; background: rgba(255,255,255,.08);
  overflow: hidden; margin-bottom: 14px;
}
.loader-bar i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--red), var(--amber));
  border-radius: 2px; transition: width .25s ease;
}
.loader-txt { font-size: 12px; color: var(--text-dim); letter-spacing: 1px; }

/* ---------- 顶部 ---------- */
#topbar {
  position: fixed; z-index: 20;
  top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px;
  pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark {
  width: 14px; height: 30px; border-radius: 3px;
  background: linear-gradient(160deg, var(--amber), var(--red));
  transform: skewX(-12deg);
  box-shadow: 0 0 18px rgba(255,140,50,.35);
}
.brand-text h1 {
  font-size: 21px; font-weight: 900; letter-spacing: 2px;
  color: var(--text); font-style: italic; line-height: 1;
}
.brand-text h1 em { font-style: italic; color: var(--amber); }
.brand-text p { font-size: 10.5px; color: var(--text-faint); letter-spacing: 1.5px; margin-top: 4px; }
.hint { font-size: 12px; color: var(--text-dim); }
.hint .key {
  color: var(--amber); background: var(--amber-dim);
  border-radius: 4px; padding: 2px 8px; margin-right: 3px; font-size: 11px; font-weight: 600;
}
.hint i { font-style: normal; margin: 0 9px; opacity: .35; }

/* ---------- 左侧图鉴 ---------- */
#browser {
  position: fixed; z-index: 20;
  left: 16px; top: 78px; bottom: 92px;
  width: 252px;
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
}
.browser-head { padding: 16px 15px 12px; border-bottom: 1px solid var(--border); }
.browser-head h2 {
  font-size: 12px; font-weight: 800; letter-spacing: 3px; color: var(--text);
  margin-bottom: 11px; display: flex; align-items: center; gap: 8px;
}
.browser-head h2::before {
  content: ""; width: 4px; height: 14px; border-radius: 2px;
  background: linear-gradient(180deg, var(--amber), var(--red));
}
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: 9px; top: 50%; transform: translateY(-50%); width: 13px; height: 13px; color: var(--text-faint); }
#search {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  font-size: 12.5px; font-family: var(--sans);
  padding: 8px 10px 8px 30px;
  outline: none; transition: border-color .2s;
}
#search:focus { border-color: rgba(255,160,40,.5); }
#search::placeholder { color: var(--text-faint); }

#muscle-list { flex: 1; overflow-y: auto; padding: 8px 7px 12px; }
#muscle-list::-webkit-scrollbar { width: 4px; }
#muscle-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 2px; }

.region-group h3 {
  font-size: 10.5px; color: var(--text-faint);
  letter-spacing: 2.5px; font-weight: 700;
  padding: 12px 9px 6px;
  display: flex; align-items: center; gap: 7px;
}
.region-group h3::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.muscle-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 10px; border-radius: 9px; cursor: pointer;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  transition: background .15s, border-color .15s, transform .15s;
}
.muscle-item:hover { background: rgba(255,255,255,.045); border-left-color: var(--amber); transform: translateX(2px); }
.muscle-item.active { background: var(--amber-dim); border-left-color: var(--amber); }
.muscle-item .mi-cn { font-size: 13.5px; font-weight: 600; }
.muscle-item.active .mi-cn { color: var(--amber-hi); }
.muscle-item .mi-en {
  font-size: 9.5px; color: var(--text-faint); font-family: var(--mono);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px;
  display: block; margin-top: 1px;
}
.mi-badges { display: flex; gap: 4px; flex-shrink: 0; }
.mi-side, .mi-layer {
  font-size: 9px; font-family: var(--mono);
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 4px;
}
.muscle-item.active .mi-side, .muscle-item.active .mi-layer { color: var(--amber); border-color: rgba(255,160,40,.35); }

/* ---------- 右侧训练卡片 ---------- */
#info {
  position: fixed; z-index: 25;
  right: 18px; top: 78px;
  width: 312px;
  max-height: calc(100vh - 190px);
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 22px 20px 18px;
  transition: transform .35s cubic-bezier(.22,1,.36,1), opacity .3s;
}
#info.hidden { transform: translateX(115%); opacity: 0; pointer-events: none; }
#info::-webkit-scrollbar { width: 4px; }
#info::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 2px; }

.info-close {
  position: absolute; right: 13px; top: 13px;
  width: 28px; height: 28px;
  background: rgba(255,255,255,.05);
  border: none; border-radius: 8px; color: var(--text-dim);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.info-close:hover { background: rgba(255,255,255,.12); color: var(--text); }
.info-close svg { width: 12px; height: 12px; }

.info-kicker {
  display: flex; align-items: center; gap: 8px;
  font-size: 10px; font-family: var(--mono); letter-spacing: 1.5px;
  color: var(--amber); margin-bottom: 10px; font-weight: 700;
}
.kicker-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-faint); }
#info-layer, #info-region { color: var(--text-dim); }

#info-cn { font-size: 27px; font-weight: 900; letter-spacing: 1px; line-height: 1.15; }
#info-en { font-size: 11px; color: var(--text-dim); font-family: var(--mono); margin: 5px 0 16px; }

.card {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 14px;
  margin-bottom: 11px;
}
.card-head {
  display: flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 800; letter-spacing: 2px;
  color: var(--text-dim); margin-bottom: 8px;
}
.card-head svg { width: 13px; height: 13px; color: var(--amber); }
#info-fn { font-size: 13px; line-height: 1.8; color: var(--text); }
.card.ex { border-color: rgba(255,160,40,.18); }
.card.stretch { border-color: rgba(120,200,255,.16); }
.card.stretch .card-head svg { color: #7fc2ff; }
.ex-grid.st span {
  background: rgba(127,194,255,.08);
  border-color: rgba(127,194,255,.25);
  color: #b8dcff;
}
.ex-grid.st span:hover { background: rgba(127,194,255,.18); }
.ex-grid { display: flex; flex-wrap: wrap; gap: 7px; }
.ex-grid span {
  font-size: 12.5px; font-weight: 600;
  padding: 7px 13px; border-radius: 9px;
  background: rgba(255,160,40,.09);
  border: 1px solid rgba(255,160,40,.22);
  color: var(--amber-hi);
  transition: all .18s;
}
.ex-grid span:hover { background: rgba(255,160,40,.2); transform: translateY(-1px); }

/* ---------- 底部控制台 ---------- */
#toolbar {
  position: fixed; z-index: 20;
  left: 50%; bottom: 16px;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 20px;
  padding: 11px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  white-space: nowrap;
}
.tb-group { display: flex; align-items: center; gap: 9px; }
.tb-group > label { font-size: 10.5px; color: var(--text-faint); letter-spacing: 2px; font-weight: 700; }
#explode-val { color: var(--amber); font-family: var(--mono); }

.chips { display: flex; gap: 4px; }
.chips button {
  font-size: 12px; font-weight: 600; font-family: var(--sans);
  padding: 6px 12px; border-radius: 9px;
  background: rgba(255,255,255,.045);
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer; transition: all .18s;
}
.chips button:hover { color: var(--text); background: rgba(255,255,255,.09); }
.chips button.on { background: var(--amber); color: #17110a; font-weight: 800; }

#toolbar input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 104px; height: 4px; border-radius: 2px;
  background: linear-gradient(to right, var(--amber) var(--fill, 0%), rgba(255,255,255,.1) var(--fill, 0%));
  outline: none; cursor: pointer;
}
#toolbar input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--amber); box-shadow: 0 0 12px rgba(255,160,40,.5);
  cursor: pointer;
}
#toolbar input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; border: none;
  background: var(--amber);
}

.btns { gap: 5px; }
.btns button {
  font-size: 12px; font-weight: 600; font-family: var(--sans);
  padding: 7px 13px; border-radius: 10px;
  background: rgba(255,255,255,.045);
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer; transition: all .18s;
}
.btns button:hover { background: rgba(255,255,255,.09); color: var(--text); }
.btns button.on { background: var(--amber); color: #17110a; font-weight: 800; }

/* ---------- 移动端浮动按钮(桌面隐藏) ---------- */
#float-btns { display: none; }

/* ---------- 状态指示器 ---------- */
#gl-pill {
  position: fixed; right: 14px; bottom: 80px; z-index: 22;
  font-family: var(--mono); font-size: 10px; letter-spacing: .5px;
  color: var(--text-faint);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px 11px;
  pointer-events: none; user-select: none;
}
#gl-pill.bad { color: #ff8172; border-color: rgba(255,130,110,.45); }

/* ---------- 移动端 ---------- */
#panel-toggle {
  display: none;
  position: fixed; z-index: 26;
  right: 16px; bottom: 88px;
  padding: 9px 15px;
  background: var(--amber);
  border: none; border-radius: 10px;
  color: #17110a; font-size: 12px; font-weight: 800; font-family: var(--sans);
  cursor: pointer;
  align-items: center; gap: 6px;
}
#panel-toggle svg { width: 14px; height: 14px; }

@media (max-width: 1080px) {
  #toolbar { gap: 10px; padding: 9px 12px; max-width: calc(100vw - 16px); overflow-x: auto; bottom: 10px; }
  .tb-group > label { display: none; }
}
@media (max-width: 980px) {
  #browser {
    left: 0; right: auto; top: 0; bottom: 0;
    width: min(78vw, 320px); height: 100%;
    border-radius: 0 18px 18px 0;
    transform: translateX(-108%);
    transition: transform .32s cubic-bezier(.22,1,.36,1);
    z-index: 27;
    box-shadow: 20px 0 60px rgba(0,0,0,.5);
  }
  #browser.open { transform: translateX(0); }
  #panel-toggle {
    display: flex;
    left: 14px; right: auto; bottom: calc(18px + env(safe-area-inset-bottom));
  }
  #info {
    left: 0; right: 0; top: auto; bottom: 0;
    width: auto; max-height: 62vh;
    border-radius: 18px 18px 0 0;
    transform: translateY(0);
    transition: transform .35s cubic-bezier(.22,1,.36,1), opacity .3s;
    padding-top: 14px;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
  }
  #info::before {
    content: ""; position: absolute; top: 7px; left: 50%;
    width: 44px; height: 4px; margin-left: -22px;
    border-radius: 2px; background: rgba(255,255,255,.22);
  }
  #info.hidden { transform: translateY(112%); }
  #topbar { padding: calc(10px + env(safe-area-inset-top)) 14px 10px; }
  .hint { display: none; }
  .brand-text h1 { font-size: 17px; }
  .brand-text p { font-size: 9px; }
  #toolbar { display: none; }
  #float-btns {
    display: flex; flex-direction: column; gap: 9px;
    position: fixed; z-index: 24;
    right: 12px; top: 50%; transform: translateY(-50%);
  }
  #float-btns button {
    min-width: 54px; padding: 10px 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 11px;
    color: var(--text-dim);
    font-size: 11.5px; font-weight: 700; font-family: var(--sans);
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 18px rgba(0,0,0,.4);
  }
  #float-btns button.on {
    color: var(--amber); border-color: rgba(255,160,40,.45);
    background: rgba(30,24,16,.92);
  }
  #fb-info.hide { display: none; }
  #gl-pill { display: none; }
}

/* ---------- 动作详情弹层 ---------- */
#modal {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
#modal.hidden { display: none; }
.modal-box {
  position: relative;
  width: min(430px, calc(100vw - 32px));
  max-height: 80vh; overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-left: 3px solid var(--amber);
  border-radius: 14px;
  padding: 22px 20px 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.modal-close {
  position: absolute; right: 12px; top: 12px;
  width: 28px; height: 28px; border-radius: 8px;
  background: rgba(255,255,255,.06); border: none;
  color: var(--text-dim); font-size: 13px; cursor: pointer;
}
.modal-close:hover { background: rgba(255,255,255,.14); color: var(--text); }
.modal-kicker {
  font-size: 10px; font-family: var(--mono); letter-spacing: 2px;
  color: var(--amber); margin-bottom: 8px; font-weight: 700;
}
#modal-title { font-size: 21px; font-weight: 900; margin-bottom: 14px; }
.modal-row {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 0; border-top: 1px solid var(--border);
  font-size: 12.5px; line-height: 1.7;
}
.modal-row .mlabel {
  flex-shrink: 0; width: 62px;
  font-size: 10.5px; color: var(--text-faint);
  letter-spacing: 1px; font-weight: 700; padding-top: 2px;
}
.modal-row span:last-child { color: var(--text); }
/* 拉伸弹层蓝色变体 */
#modal.stretch .modal-box { border-left-color: #7fc2ff; }
#modal.stretch .modal-kicker { color: #7fc2ff; }