/* ===== 全域 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --accent: #2f8fe6;          /* 電光藍：主要互動色（戰鬥陀螺風） */
  --accent-2: #ff6a2c;        /* 能量橘：主要 CTA */
  --card-h: 1080px;           /* 卡片高度，隨匯出尺寸切換 */
  --bg: #0c111d;              /* 深鋼藍黑底 */
  --panel-bg: #131b2b;
  --line: #283449;
  --text: #e9eef7;
  --muted: #8b96ad;
  --gold: #E7C56B;            /* 卡片金色主色 */
  --gold-deep: #B0801F;       /* 金色描邊/陰影用深色 */
}
body {
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;          /* 消除水平捲軸 */
}
/* 細緻、配主題的捲軸（僅頁面層級，無內部捲動區） */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2c2c38; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #3a3a48; }
::-webkit-scrollbar-track { background: transparent; }

/* file:// 匯出提示橫幅 */
.file-banner {
  background: #5a3a00; color: #ffd479; font-size: 13px;
  padding: 8px 16px; text-align: center; border-bottom: 1px solid #6b4500;
}
.file-banner code {
  background: rgba(0,0,0,.35); padding: 1px 6px; border-radius: 4px;
  font-family: ui-monospace, monospace; color: #ffe9b0;
}
.file-banner strong { color: #fff; }

/* ===== 版面 ===== */
.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  padding: 24px;
  align-items: start;
}
/* 桌機預設隱藏手機/平板專用元件 */
.drawer-close, .drawer-backdrop, .mobile-bar { display: none; }

/* ===== 手機 / 平板（≤1024px）：設定改為可展開的 Sidebar 抽屜 ===== */
@media (max-width: 1024px) {
  /* 頂部固定工具列在上方，內容預留其高度（約 60px + 瀏海安全區） */
  .layout { grid-template-columns: 1fr; padding: calc(60px + env(safe-area-inset-top)) 12px 12px; gap: 12px; }
  /* 預覽在可視區內垂直置中 */
  .preview { position: static; justify-content: center; min-height: calc(100svh - 60px - env(safe-area-inset-top) - 24px); }
  #previewArea { padding-bottom: 16px; }
  body.drawer-open { overflow: hidden; }            /* 抽屜開啟時鎖住背景捲動 */

  /* 控制面板 → 左側滑入抽屜 */
  .controls {
    position: fixed; top: 0; left: 0; z-index: 60;
    width: min(88%, 380px); height: 100%;
    padding: 16px; overflow-y: auto;
    background: var(--panel-bg);
    border-right: 1px solid var(--line);
    box-shadow: 0 0 44px rgba(0,0,0,.6);
    transform: translateX(-100%);
    transition: transform .26s ease;
  }
  body.drawer-open .controls { transform: translateX(0); }
  .controls .btn-download { display: none; }        /* 改由底部工具列輸出 */

  /* 觸控目標 ≥44px：手機抽屜內的下拉/輸入/按鈕更好點 */
  .controls .form-control, .controls .form-select, .controls .btn { min-height: 44px; }
  .controls .form-control-sm { min-height: 40px; }

  .drawer-close { display: block; align-self: flex-end; }

  /* 抽屜背景遮罩 */
  .drawer-backdrop {
    display: none; position: fixed; inset: 0; z-index: 50;
    background: rgba(0,0,0,.55); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  }
  body.drawer-open .drawer-backdrop { display: block; }

  /* 頂部行動工具列 */
  .mobile-bar {
    display: flex; gap: 10px;
    position: fixed; left: 0; right: 0; top: 0; z-index: 40;
    padding: calc(8px + env(safe-area-inset-top)) 12px 8px;
    background: rgba(12,17,28,.94);
    border-bottom: 1px solid var(--line);
    -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  }
  .mobile-bar .btn { flex: 1; padding: 12px; font-size: 15px; font-weight: 800; }

  /* 開啟 Modal 時隱藏頂部行動工具列，避免透過遮罩透出、和 Modal 頂部重疊 */
  body.modal-open .mobile-bar { display: none; }
}

/* ===== 控制面板 ===== */
.controls {
  display: flex; flex-direction: column; gap: 14px;
  min-width: 0;            /* 允許格線收縮，避免水平溢出 */
}
/* 收合區塊（details/summary） */
.group {
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px;
}
details.group { padding: 0; }                 /* 收合時 summary 自帶 padding */
details.group > summary {
  cursor: pointer; list-style: none; user-select: none;
  padding: 12px 14px; font-size: 13px; font-weight: 800; color: var(--accent);
  display: flex; align-items: center; gap: 8px;
}
details.group > summary::-webkit-details-marker { display: none; }
details.group > summary::before {
  content: "▸"; color: var(--muted); transition: transform .15s;
}
details.group[open] > summary::before { transform: rotate(90deg); }
details.group > summary ~ * { margin: 0 14px 12px; }
details.group > summary ~ *:last-child { margin-bottom: 14px; }
.group legend { padding: 0 8px; font-size: 13px; font-weight: 700; color: var(--accent); }
.controls label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--muted);
}
/* 滑桿欄位：標題列(含右側百分比數值) + 滑桿 */
.controls label.range-field { gap: 4px; }
.controls .range-head { display: flex; justify-content: space-between; align-items: baseline; }
.controls .range-val { font-weight: 700; color: var(--accent); }
/* === Bootstrap 主題對齊：把 primary/warning 換成戰鬥陀螺配色 === */
[data-bs-theme="dark"] {
  --bs-body-bg: var(--bg);
  --bs-border-color: var(--line);
}
.btn-primary {
  --bs-btn-bg: var(--accent); --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: #4aa0ee; --bs-btn-hover-border-color: #4aa0ee;
  --bs-btn-active-bg: #2477c7; --bs-btn-active-border-color: #2477c7;
  --bs-btn-color: #fff; --bs-btn-hover-color: #fff;
}
.btn-outline-primary {
  --bs-btn-color: var(--accent); --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: var(--accent); --bs-btn-hover-border-color: var(--accent);
  --bs-btn-active-bg: var(--accent); --bs-btn-active-border-color: var(--accent);
}
/* 複製成功時的視覺提示（橘色）*/
.btn-ai-prompt.copied { --bs-btn-color: var(--accent-2); --bs-btn-border-color: var(--accent-2); }
.btn-warning {
  --bs-btn-bg: var(--accent-2); --bs-btn-border-color: var(--accent-2);
  --bs-btn-hover-bg: #ff8243; --bs-btn-hover-border-color: #ff8243;
  --bs-btn-active-bg: #e85a20; --bs-btn-active-border-color: #e85a20;
  --bs-btn-color: #fff; --bs-btn-hover-color: #fff; --bs-btn-active-color: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 .2rem rgba(47,143,230,.25);
}

/* 拖放上傳區 */
.controls label.dropzone {
  border: 1px dashed transparent; border-radius: 10px; padding: 4px;
  transition: border-color .12s, background .12s;
}
.controls label.dropzone.dragover {
  border-color: var(--accent); background: rgba(47,143,230,.08);
}

/* 主要 CTA（輸出）：沿用 Bootstrap btn-warning，僅補上桌機 sticky 與字距 */
.btn-download {
  position: sticky; top: 0; z-index: 5;
  font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase;
  box-shadow: 0 6px 18px rgba(255,106,44,.30);
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hint { font-size: 12px; color: var(--muted); margin: -4px 0 2px; }

/* 顏色選擇（名次 / 得獎人名稱）：4 預設色票 + 調色盤 */
.color-field { display: flex; flex-direction: column; gap: 6px; }
.color-field .color-label { font-size: 13px; font-weight: 600; color: var(--muted); }
.swatches { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.swatch {
  width: 26px; height: 26px; padding: 0; border-radius: 50%;
  background: var(--sw); border: 2px solid var(--line); cursor: pointer;
  transition: transform .08s, border-color .12s, box-shadow .12s;
}
.swatch:hover { transform: scale(1.08); }
.swatch.active { border-color: #fff; box-shadow: 0 0 0 2px var(--accent); }
.color-pick {
  width: 38px; height: 28px; padding: 0; cursor: pointer; margin-left: 2px;
  background: transparent; border: 1px solid var(--line); border-radius: 6px;
}
.color-pick::-webkit-color-swatch-wrapper { padding: 2px; }
.color-pick::-webkit-color-swatch { border: none; border-radius: 4px; }

/* 動態陀螺控制 */
.bey-block {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px;
  display: flex; flex-direction: column; gap: 10px;
}
.bey-block h3 { font-size: 13px; font-weight: 800; color: var(--accent); }
.bey-block .preview-name {
  font-size: 12px; color: var(--muted); word-break: break-all;
  background: #0e0e13; border-radius: 6px; padding: 6px 8px;
}
/* 圖庫選取格（取代原文字框＋上傳） */
.bey-slots { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.slot { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.slot-pick {
  position: relative; aspect-ratio: 1; width: 100%;
  background: #0e0e13; border: 1px dashed var(--line); border-radius: 10px;
  cursor: pointer; padding: 6px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .12s, background .12s;
}
.slot-pick:hover { border-color: var(--accent); background: rgba(255,255,255,.04); }
.slot-thumb { max-width: 100%; max-height: 100%; object-fit: contain; display: none; }
.slot-empty {
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: 12px; font-weight: 700; color: rgba(255,255,255,.32);
}
/* slot-name 外觀交給 Bootstrap form-control-sm，這裡只保留格線收縮所需 */
.slot-name { min-width: 0; }

/* ===== 選圖庫 / 更新紀錄 Modal（Bootstrap 官方 modal；data-bs-theme=dark 自動深色） ===== */
/* 內容沿用 app 深色面板色與主題色，標題用主色 */
.modal-content { background: var(--panel-bg); border: 1px solid var(--line); }
.modal-title { font-size: 16px; font-weight: 800; color: var(--accent); }
.gallery-modal .modal-dialog { max-width: min(860px, 100%); }
/* footer：自訂上傳靠左、清除/套用靠右 */
.gallery-modal .modal-footer { justify-content: space-between; }
/* modal-body 捲動時左右對稱預留捲軸槽位，格線置中不偏左 */
.gallery-modal .modal-body { scrollbar-gutter: stable both-edges; }

/* 系統別分頁 */
.modal-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.modal-tabs[hidden] { display: none; }
.modal-tabs .gtab {
  background: #0e0e13; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); padding: 5px 14px; font-size: 13px; font-weight: 700; cursor: pointer;
}
.modal-tabs .gtab.active { color: #fff; border-color: var(--accent); background: rgba(255,255,255,.05); }
/* 搜尋/下拉外觀交給 Bootstrap，只給間距 */
.modal-search { margin-bottom: 10px; }
.modal-select { margin-bottom: 10px; }
.modal-select[hidden] { display: none; }
.modal-hint { margin-bottom: 6px; font-size: 12px; color: var(--accent); }
.modal-grid {
  /* auto-fit：填滿格子的欄位撐滿整列、不留右側空縫（避免內容偏左） */
  display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 14px;
  align-content: start;
}
.modal-empty { color: var(--muted); font-size: 14px; grid-column: 1 / -1; text-align: center; padding: 24px; }
.gitem {
  background: #0e0e13; border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; padding: 10px; display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: border-color .12s, transform .08s;
}
.gitem:hover { border-color: var(--accent); transform: translateY(-2px); }
.gitem.fused { border-color: rgba(255,170,0,.45); }
.gitem img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.gitem-name { font-size: 12px; color: var(--text); text-align: center; line-height: 1.2; word-break: break-all; }
.gitem-key { font-size: 11px; color: var(--muted); }
/* footer 內：上傳鈕(含隱藏 file input)置中、右側按鈕群 */
.modal-upload { display: inline-flex; align-items: center; }
.modal-foot-right { display: flex; align-items: center; gap: 8px; }
.modal-apply[hidden] { display: none; }

/* CX 拆解組裝器（Modal 內） */
.modal-grid.cx-mode { display: block; }
.cx-modebar { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.cx-modebar > span { font-size: 13px; color: var(--muted); }
.cx-mode-btn {
  background: #0e0e13; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); padding: 5px 14px; font-size: 13px; font-weight: 700; cursor: pointer;
}
.cx-mode-btn.active { color: #fff; border-color: var(--accent); background: rgba(255,255,255,.05); }
.cx-section { margin-bottom: 16px; }
.cx-section h4 { font-size: 13px; color: var(--text); margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
.cx-section h4 small { color: var(--muted); font-weight: 400; }
.cx-picked { color: var(--accent); font-size: 12px; margin-left: auto; font-weight: 700; }
.cx-opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 8px; }
.cx-opt {
  background: #0e0e13; border: 1px solid var(--line); border-radius: 8px; padding: 6px;
  cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 3px;
}
.cx-opt:hover { border-color: var(--accent); }
.cx-opt.active { border-color: var(--accent); background: rgba(255,255,255,.06); }
.cx-opt img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.cx-opt span { font-size: 11px; color: var(--text); text-align: center; line-height: 1.1; word-break: break-all; }

/* ===== 預覽舞台 ===== */
.preview {
  position: sticky; top: 24px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  min-width: 0;            /* 允許收縮，避免水平溢出 */
}
.stage { max-width: 100%; }
/* 卡片分頁 */
.card-tabs {
  display: flex; flex-wrap: wrap; gap: 6px; justify-content: center;
  width: 100%;
}
.card-tabs .tab {
  display: inline-flex; align-items: center; gap: 6px;
  background: #0e0e13; border: 1px solid var(--line); border-radius: 8px;
  color: var(--muted); padding: 6px 10px; font-size: 13px; cursor: pointer;
}
.card-tabs .tab.active { color: #fff; border-color: var(--accent); background: rgba(255,255,255,.04); }
.card-tabs .tab.dragging { opacity: .5; }
.card-tabs .tab[draggable="true"] { cursor: grab; }
.card-tabs .tab .tab-del {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  font-size: 14px; line-height: 1; padding: 0 2px;
}
.card-tabs .tab .tab-del:hover { color: var(--accent); }
.card-tabs .tab-add {
  background: transparent; border: 1px dashed var(--line); border-radius: 8px;
  color: var(--muted); padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.card-tabs .tab-add:hover { color: #fff; border-color: var(--accent); }

.stage {
  /* top left：縮放從左上角起算，剛好填滿 JS 設定的縮放尺寸盒，避免偏移/溢出 */
  transform-origin: top left;
  /* JS 設定 transform: scale() 與容器尺寸 */
  box-shadow: 0 0 0 1px var(--line), 0 24px 60px rgba(0,0,0,.6); /* B3：預覽卡片邊界 */
  border-radius: 4px;
}
/* 切換卡片分頁時的淡入過場 */
@keyframes cardFade { from { opacity: .3; } to { opacity: 1; } }
.stage.switching { animation: cardFade .22s ease-out; }

/* 尊重「減少動態」偏好：關閉抽屜滑動與卡片淡入 */
@media (prefers-reduced-motion: reduce) {
  .controls { transition: none; }
  .stage.switching { animation: none; }
}

/* ===== 卡片本體 (1080×1350) ===== */
.card {
  position: relative;
  width: 1080px; height: var(--card-h);
  /* 戰鬥陀螺風背景：深鋼藍底 + 電光藍/能量橘能量光 + 斜向速度線 + 旋轉光暈 */
  background:
    radial-gradient(56% 32% at 50% -3%, rgba(231,197,107,.16), transparent 60%),       /* 頂部金光（標題） */
    radial-gradient(82% 60% at 24% 40%, rgba(46,128,224,.28), transparent 60%),         /* 左中電光藍能量（人物後） */
    radial-gradient(62% 50% at 10% 98%, rgba(230,108,40,.26), transparent 58%),          /* 左下能量橘 */
    conic-gradient(from 200deg at 80% 28%, rgba(80,160,235,.14), transparent 36%),        /* 右上旋轉光暈 */
    repeating-linear-gradient(118deg, rgba(255,255,255,.04) 0 2px, transparent 2px 30px), /* 斜向速度線 */
    linear-gradient(160deg, #1b2640 0%, #141d30 52%, #0e1422 100%);                       /* 深鋼藍底（比純黑亮） */
  overflow: hidden;
  color: #fff;
  font-family: "Arial Black", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

/* 卡片整體背景（上傳時覆蓋預設漸層；未上傳則透明、露出漸層）*/
.card .card-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}

/* 比賽名稱（置中於上方）＋ 裝飾分隔線 */
.card .title {
  position: absolute; top: 34px; left: 0; right: 0; z-index: 6;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  pointer-events: none;
}
.card .title-text {
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: 78px; font-weight: 900; letter-spacing: 8px; line-height: 1;
  color: var(--gold);
  -webkit-text-stroke: 1px var(--gold-deep); paint-order: stroke fill;
  text-shadow: 0 2px 0 rgba(80,52,8,.5), 0 6px 18px rgba(0,0,0,.6);
}
.card .title-divider {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  width: 360px; max-width: 60%;
}
.card .title-divider .td-line {
  flex: 1; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.card .title-divider .td-gem {
  color: var(--gold); font-size: 18px; line-height: 1;
  text-shadow: 0 0 8px rgba(231,197,107,.5);
}

/* 人物照 */
.card .person {
  position: absolute; left: 0; bottom: 0; z-index: 4;   /* 蓋在右側陀螺面板(z-index:3)之上 */
  width: 50%; height: 94%;
  display: flex; align-items: flex-end; justify-content: flex-start;
  transform-origin: center bottom;   /* 縮放以底部中央為錨點，人物站姿不離地 */
}
.card .person img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center bottom;  /* 佔滿左側、裁掉天空與兩側、保留人物 */
  display: none;
  pointer-events: none;            /* 拖曳事件交給外層 .person 接 */
}
/* 有人像時才可拖曳定位：抓取游標 + 關閉觸控捲動手勢避免搶走拖曳 */
.card .person.has-person { cursor: grab; touch-action: none; }
.card .person.has-person.dragging { cursor: grabbing; }

/* 名次大字（提高顯眼度：更大、更粗白描邊、深陰影 + 左下柔光底） */
.card .rank-scrim {
  position: absolute; left: 0; bottom: 0; z-index: 3; pointer-events: none;
  width: 66%; height: 58%;
  background: radial-gradient(125% 110% at 0% 100%, rgba(0,0,0,.62), rgba(0,0,0,0) 68%);
}
.card .rank {
  position: absolute; left: 48px; bottom: 56px; z-index: 5;
  max-width: 58%;
  pointer-events: none;    /* 純展示文字，不攔截人像拖曳 */
}
.card .rank-place {
  font-family: "Noto Serif TC", "Georgia", serif;
  font-size: 58px; font-weight: 800; font-style: italic;
  color: var(--rank-color, var(--gold)); letter-spacing: 1px;
  text-shadow: 0 3px 12px rgba(0,0,0,.6);
}
.card .rank-name {
  margin-top: 6px; line-height: 1.04;
  font-family: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  font-size: 88px; font-weight: 900; color: var(--nick-color, var(--gold));
  -webkit-text-stroke: 1px var(--gold-deep); paint-order: stroke fill;
  text-shadow: 0 3px 0 rgba(80,52,8,.45), 0 8px 20px rgba(0,0,0,.65);
  word-break: break-word;
}
/* 無得獎人名稱時不留空隙 */
.card .rank-name:empty { margin-top: 0; }

/* 右側面板 */
.card .panel {
  position: absolute; top: 150px; bottom: 140px; right: 36px; z-index: 3;
  width: 560px;            /* 高度由 top/bottom 錨定，隨卡片高度伸縮 */
  border-radius: 28px; overflow: hidden;
  /* 預設漸層背景（鋼藍玻璃感→深色斜向），上傳的面板背景圖會疊在其上 */
  background: linear-gradient(155deg, rgba(36,50,76,.92) 0%, rgba(21,28,44,.94) 50%, rgba(12,17,28,.95) 100%);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 20px 50px rgba(0,0,0,.5);
  padding: 26px 26px 26px 30px;
}
.card .panel-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  opacity: .35;
}
/* 面板光澤/深度：頂部微高光、底部加深，提升質感 */
.card .panel::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0) 22%, rgba(0,0,0,.28));
}
.card .rows {
  position: relative; z-index: 1;
  height: 100%;
  display: grid; grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 0;
}

/* 每顆陀螺一列：上蓋 | 固鎖 | 軸心，名稱跨欄置底 */
.card .bey-row {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 1fr .85fr;
  grid-template-rows: minmax(0, 1fr) auto;  /* 零件區可收縮，名稱永遠有位、版型統一 */
  align-items: center;
  min-height: 0;
  gap: 4px 6px;
  padding: 12px 6px 12px 22px;
  border-bottom: 1px dashed rgba(255,255,255,.12);
}
.card .bey-row:last-child { border-bottom: none; }
.card .part {
  display: flex; align-items: center; justify-content: center;
  height: 100%; min-height: 0;          /* 隨列高伸縮，不固定上限 → 各尺寸版型統一 */
}
.card .part img {
  max-width: 100%; max-height: 100%; object-fit: contain; display: none;
}
/* 零件大小比例（參考實卡）：上蓋最大、固鎖小 20%、軸心小至 60% */
.card .part-ratchet img { max-width: 80%; max-height: 80%; }
/* 軸心圖寬窄不一 → 以「高」對齊（固定高 60%，寬自動），大小才一致 */
.card .part-bit img     { height: 60%; width: auto; max-width: 100%; max-height: 60%; }
/* BX/UX/聯名 上蓋(單圖)稍微縮小至 80%；CX 組合上蓋(cx-stack)不受影響 */
.card .part-blade > img { max-width: 80%; max-height: 80%; }

/* 收合為兩件時：左件靠右、右件靠左（往中央靠），各自離中線保留 10% padding
   （layoutRow 標記 cl-first/cl-last） */
.card .part.cl-first { justify-content: flex-end;   padding-right: 10%; }
.card .part.cl-last  { justify-content: flex-start; padding-left: 10%; }

/* 卡片預覽零件可點 → 開該零件選圖 Modal（hover 提示，僅 :hover 不影響匯出） */
.card .part[data-part] { cursor: pointer; border-radius: 12px; transition: background .12s, box-shadow .12s; }
.card .part[data-part]:hover { background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 2px rgba(231,197,107,.55); }

/* CX 上蓋：子部件在上蓋格內堆疊組成一個上蓋
   由上而下：紋章鎖 → 超越刃 → 金屬刃 / 主刃 → 輔助戰刃 */
/* CX 組合上蓋整體放大 40%（保留各子部件相對堆疊比例） */
.card .part-blade .cx-stack { position: relative; width: 100%; height: 100%; transform: scale(1.4); transform-origin: center; }
/* 覆蓋 .card .part img{display:none}（那是給單張零件圖用的），CX 子圖要顯示 */
.card .part .cx-sub { display: block; }
.cx-sub { position: absolute; left: 50%; transform: translateX(-50%); object-fit: contain; }
.cx-chip   { top: 4%;  width: 48%; height: 34%; z-index: 5; }
.cx-over   { top: 13%; width: 84%; height: 44%; z-index: 4; }
.cx-metal  { top: 24%; width: 90%; height: 48%; z-index: 3; }
.cx-main   { top: 15%; width: 92%; height: 52%; z-index: 3; }
.cx-assist { top: 34%; width: 78%; height: 46%; z-index: 1; }
.card .part .ph {
  font-size: 18px; color: rgba(255,255,255,.28); font-weight: 700;
  border: 2px dashed rgba(255,255,255,.18); border-radius: 10px;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.card .bey-name {
  grid-column: 1 / -1;
  text-align: right;
  font-size: 32px; font-weight: 800; color: #fff;
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  padding-right: 4px;
  display: flex; align-items: center; justify-content: flex-end; gap: 8px;
}
.card .bey-name::before {
  content: ""; width: 13px; height: 16px;
  border: 3px solid var(--gold); border-right: none;
  border-radius: 3px 0 0 3px;        /* 「[」規格括號感，對齊參考圖 */
}
/* B1：無名稱時不顯示三角刻度 */
.card .bey-name:empty::before { display: none; }

/* ===== 頁尾（學術研究聲明 + 更新紀錄入口） ===== */
.site-footer {
  margin-top: 8px;
  padding: 22px 24px calc(22px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 13px; line-height: 1.7;
}
.site-footer .foot-disclaimer {
  max-width: 760px; margin: 0 auto 8px;
}
.site-footer strong { color: var(--text); font-weight: 700; }
.site-footer .foot-meta {
  display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap;
  justify-content: center;
}
.site-footer .foot-sep { color: var(--line); }
.site-footer .foot-link { color: var(--accent); text-decoration: none; font-weight: 700; }
.site-footer .foot-link:hover { text-decoration: underline; }
.foot-changelog-btn {
  background: transparent; border: 1px solid var(--line); border-radius: 999px;
  color: var(--accent); padding: 4px 14px; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: border-color .12s, background .12s, color .12s;
}
.foot-changelog-btn:hover { border-color: var(--accent); background: rgba(47,143,230,.08); }

/* ===== 版本更新紀錄 Modal（Bootstrap modal-dialog） ===== */
.changelog-modal { max-width: min(520px, 100%); }
.changelog-body { padding: 16px 20px 20px; }
.changelog-list { list-style: none; margin: 0; padding: 0; }
.changelog-item {
  position: relative; padding: 0 0 16px 16px;
  border-left: 2px solid var(--line);
}
.changelog-item:last-child { padding-bottom: 0; }
.changelog-item::before {
  content: ""; position: absolute; left: -6px; top: 4px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px rgba(47,143,230,.18);
}
.changelog-date {
  display: block; font-size: 13px; font-weight: 800;
  color: var(--gold); letter-spacing: .5px; margin-bottom: 6px;
}
.changelog-points { margin: 0; padding-left: 18px; color: var(--text); font-size: 14px; line-height: 1.65; }
.changelog-points li { margin: 2px 0; }

/* ===== 合作洽詢 / 聯絡我們 Modal（兩站共用，固定色值以保持一致） ===== */
.foot-dev-link {
  background: none; border: none; padding: 0; font: inherit; font-weight: 800;
  color: #4aa3ff; cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}
.foot-dev-link:hover { color: #69b4ff; }
.contact-overlay {
  position: fixed; inset: 0; z-index: 1100;
  display: flex; align-items: center; justify-content: center;
  padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
  background: rgba(0,0,0,.72); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.contact-overlay.hidden { display: none; }
.contact-modal {
  width: min(460px, 100%); max-height: 90vh; overflow: auto;
  background: #161f30; border: 1px solid #2c3a54; border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6); color: #e8eef7;
}
.contact-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid #2c3a54;
}
.contact-head h3 { margin: 0; font-size: 17px; font-weight: 800; color: #4aa3ff; }
.contact-close { background: transparent; border: none; color: #9fb0c8; font-size: 20px; line-height: 1; cursor: pointer; padding: 2px 6px; }
.contact-close:hover { color: #fff; }
.contact-body { display: flex; flex-direction: column; gap: 12px; padding: 18px 20px 20px; }
.contact-intro { margin: 0 0 4px; font-size: 13px; color: #9fb0c8; line-height: 1.5; }
.contact-body label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 700; color: #cdd8ea; }
.contact-body .req { color: #e0607a; }
.contact-input {
  width: 100%; background: #0e1626; border: 1px solid #2c3a54; border-radius: 10px;
  color: #e8eef7; font-size: 14px; padding: 10px 12px; font-family: inherit;
}
.contact-input:focus { outline: none; border-color: #4aa3ff; box-shadow: 0 0 0 3px rgba(74,163,255,.2); }
textarea.contact-input { resize: vertical; min-height: 90px; }
.contact-status { font-size: 13px; min-height: 18px; line-height: 1.4; }
.contact-status.ok { color: #58c98a; }
.contact-status.err { color: #e0607a; }
.contact-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.contact-btn-cancel, .contact-btn-send {
  border-radius: 10px; padding: 10px 18px; font-size: 14px; font-weight: 800; cursor: pointer; border: 1px solid #2c3a54;
}
.contact-btn-cancel { background: transparent; color: #9fb0c8; }
.contact-btn-cancel:hover { color: #fff; border-color: #4a5a76; }
.contact-btn-send { background: #4aa3ff; border-color: #4aa3ff; color: #06203f; }
.contact-btn-send:hover { background: #69b4ff; }
.contact-btn-send:disabled { opacity: .6; cursor: default; }