/* ═══════════════════════════════════════════
   機庫檔案 HANGAR ARCHIVE — 共用設計系統
   ═══════════════════════════════════════════ */
:root{
  --bg-0:#0b1220;
  --bg-1:#111c2e;
  --panel:rgba(17,27,44,.92);
  --stroke:rgba(255,255,255,.09);
  --text:#e9eef6;
  --muted:#93a3ba;
  --amber:#ffb547;
  --amber-soft:rgba(255,181,71,.16);
  --cyan:#6fd3ef;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Courier New",monospace;
  --sans:"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;
  --scene-grid:#24344d;
  --scene-grid2:#1a2740;
}
/* ── 淺色主題 ── */
:root[data-theme="light"]{
  --bg-0:#eef2f7;
  --bg-1:#f7f9fc;
  --panel:rgba(255,255,255,.92);
  --stroke:rgba(15,30,55,.12);
  --text:#1a2740;
  --muted:#5a6b82;
  --amber:#e08a00;
  --amber-soft:rgba(224,138,0,.12);
  --cyan:#0d7fa8;
  --scene-grid:#c2ccdb;
  --scene-grid2:#d5dde8;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 70% 20%, #16233a 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 70%);
  background-attachment:fixed;
}
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.28em;
  color:var(--amber);
}
button:focus-visible, a:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* ── 列表頁 ─────────────────────────────── */
.fleet-wrap{max-width:1080px;margin:0 auto;padding:48px 24px 80px}
.fleet-head{margin-bottom:40px}
.fleet-head h1{font-size:clamp(26px,4vw,40px);font-weight:700;letter-spacing:.04em;margin:10px 0 8px}
.fleet-head .sub{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--muted)}
.fleet-toolbar{
  display:flex;gap:12px;align-items:center;
  margin-bottom:28px;
}
#fleet-search{
  flex:1;max-width:340px;
  font-family:var(--sans);font-size:14px;
  color:var(--text);
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:8px;padding:10px 14px;
}
#fleet-search:focus{outline:none;border-color:var(--amber)}
.ed-entry{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  color:var(--text);text-decoration:none;
  background:transparent;
  border:1px solid var(--stroke);
  border-radius:8px;padding:10px 16px;
  transition:all .15s;white-space:nowrap;
  cursor:pointer;
  display:inline-flex;align-items:center;
}
.ed-entry:hover{border-color:var(--amber);color:var(--amber)}
.fleet-grid{
  display:grid;gap:20px;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
}
.craft-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s, transform .2s;
}
.craft-card:hover{border-color:var(--amber);transform:translateY(-3px)}
.craft-card .card-link{display:block;text-decoration:none;color:inherit}
.craft-card .card-edit{
  position:absolute;top:12px;right:12px;z-index:2;
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;text-decoration:none;
  color:var(--muted);
  background:rgba(11,18,32,.75);
  border:1px solid var(--stroke);border-radius:7px;
  backdrop-filter:blur(6px);
  opacity:0;transition:all .15s;
}
.craft-card:hover .card-edit{opacity:1}
.craft-card .card-edit:hover{color:var(--amber);border-color:var(--amber)}
.craft-card .thumb{
  aspect-ratio:16/9;
  background:linear-gradient(180deg,#152238,#0e1729);
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--stroke);
}
.craft-card .thumb img{width:100%;height:100%;object-fit:contain;padding:10px}
.craft-card .body{padding:18px 20px 20px}
.craft-card .mfr{
  font-family:var(--mono);font-size:10px;letter-spacing:.26em;
  color:var(--cyan);margin-bottom:6px;
}
.craft-card h2{font-size:20px;font-weight:700;letter-spacing:.03em}
.craft-card .tagline{margin-top:6px;font-size:13px;line-height:1.7;color:var(--muted)}
.craft-card .specs{
  margin-top:14px;padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.1);
  display:flex;gap:18px;flex-wrap:wrap;
}
.craft-card .specs span{
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted);
}
.craft-card .specs b{color:var(--text);font-weight:500;display:block;margin-top:2px;font-size:12px}
.fleet-foot{
  margin-top:48px;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;
  color:rgba(147,163,186,.55);line-height:2;
}
#fleet-error{display:none;margin-top:32px;padding:18px 20px;
  border:1px solid rgba(255,120,80,.4);border-radius:8px;
  font-size:14px;line-height:1.9;color:var(--text)}
#fleet-error code{font-family:var(--mono);color:var(--amber)}

/* ── 檢視器頁 ───────────────────────────── */
body.viewer{height:100%;overflow:hidden}
html.viewer-root{height:100%}
#scene{position:fixed;inset:0;display:block;touch-action:none;cursor:grab}
#scene.dragging{cursor:grabbing}
#scene.hovering{cursor:pointer}

.v-header{
  position:fixed;top:0;left:0;right:0;
  padding:20px 24px;
  pointer-events:none;
  display:flex;justify-content:space-between;align-items:flex-start;
  z-index:5;
}
.v-header .back{
  pointer-events:auto;
  display:inline-block;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  color:var(--muted);text-decoration:none;
  margin-bottom:10px;
  transition:color .15s;
}
.v-header .back:hover{color:var(--amber)}
.v-header h1{font-size:clamp(18px,2.4vw,26px);font-weight:700;letter-spacing:.04em}
.v-header .sub{
  margin-top:4px;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  color:var(--muted);
}
.hint{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  color:var(--muted);text-align:right;line-height:1.9;
}
.v-header-right{display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none}
.v-tools{display:flex;gap:8px;pointer-events:auto}
.tool-btn{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  color:var(--text);text-decoration:none;
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:6px;padding:8px 12px;cursor:pointer;
  backdrop-filter:blur(8px);
  transition:border-color .15s, color .15s;
  white-space:nowrap;
}
.tool-btn:hover{border-color:var(--amber);color:var(--amber)}

/* ── 3D 標註點 ── */
#hotspots{position:fixed;inset:0;pointer-events:none;z-index:3}
.hotspot{
  position:absolute;
  transform:translate(-50%,-50%);
  pointer-events:auto;cursor:pointer;
  display:flex;align-items:center;gap:0;
}
.hotspot .dot{
  width:14px;height:14px;border-radius:50%;
  background:var(--amber);
  border:2px solid var(--bg-0);
  box-shadow:0 0 0 2px var(--amber), 0 2px 8px rgba(0,0,0,.4);
  flex-shrink:0;
  transition:transform .15s;
}
.hotspot:hover .dot{transform:scale(1.3)}
.hotspot .tag{
  font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--text);
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:12px;
  padding:3px 10px;
  margin-left:6px;
  white-space:nowrap;
  backdrop-filter:blur(8px);
  opacity:0;transform:translateX(-6px);
  transition:opacity .15s, transform .15s;
}
.hotspot:hover .tag, .hotspot.active .tag{opacity:1;transform:translateX(0)}
.hotspot.active .dot{background:var(--cyan);box-shadow:0 0 0 2px var(--cyan),0 2px 8px rgba(0,0,0,.4)}
.hotspot.dimmed{opacity:.35}

/* ── 詳細規格抽屜 ── */
#spec-drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:6;
  width:min(400px,100vw);
  background:var(--panel);
  border-right:1px solid var(--stroke);
  backdrop-filter:blur(14px);
  transform:translateX(-105%);
  transition:transform .3s cubic-bezier(.22,.8,.3,1);
  display:flex;flex-direction:column;
}
#spec-drawer.open{transform:translateX(0)}
#spec-close{
  position:absolute;top:18px;right:18px;
  width:32px;height:32px;
  border:1px solid var(--stroke);border-radius:6px;
  background:transparent;color:var(--muted);
  font-size:16px;line-height:1;cursor:pointer;
  transition:color .15s,border-color .15s;
}
#spec-close:hover{color:var(--amber);border-color:var(--amber)}
.spec-cat{margin:22px 0 4px}
.spec-cat:first-child{margin-top:4px}
.spec-cat h3{
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;
  color:var(--amber);
  padding-bottom:8px;margin-bottom:4px;
  border-bottom:1px solid var(--stroke);
}
.spec-cat .spec-row{
  display:flex;justify-content:space-between;gap:16px;
  padding:9px 0;
  border-bottom:1px dashed rgba(127,127,127,.15);
  font-size:13px;
}
.spec-cat .spec-row dt{color:var(--muted);flex-shrink:0}
.spec-cat .spec-row dd{font-family:var(--mono);letter-spacing:.02em;text-align:right;color:var(--text)}
.spec-empty{color:var(--muted);font-size:13px;line-height:1.9;padding:20px 0}

.controls{
  position:fixed;left:24px;bottom:96px;z-index:5;
  display:flex;flex-direction:column;gap:8px;
}
.controls button{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:var(--text);
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:6px;padding:9px 14px;cursor:pointer;
  backdrop-filter:blur(8px);
  transition:border-color .15s, color .15s;
}
.controls button:hover{border-color:var(--amber);color:var(--amber)}
.controls button[aria-pressed="true"]{color:var(--amber);border-color:var(--amber);background:var(--amber-soft)}

.chips{
  position:fixed;left:0;right:0;bottom:0;z-index:5;
  display:flex;gap:8px;
  padding:16px 24px 20px;
  overflow-x:auto;scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.06em;
  color:var(--muted);
  background:var(--panel);
  border:1px solid var(--stroke);
  border-radius:999px;padding:8px 16px;cursor:pointer;
  backdrop-filter:blur(8px);
  transition:all .15s;
}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.25)}
.chip.active{color:var(--bg-0);background:var(--amber);border-color:var(--amber);font-weight:700}

#callout-svg{position:fixed;inset:0;pointer-events:none;z-index:4}
#callout-svg line{stroke:var(--cyan);stroke-width:1.2}
#callout-svg circle{fill:none;stroke:var(--cyan);stroke-width:1.2}
#callout-label{
  position:fixed;z-index:4;pointer-events:none;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  color:var(--cyan);
  background:rgba(11,18,32,.85);
  border:1px solid rgba(111,211,239,.4);
  padding:4px 10px;border-radius:3px;
  white-space:nowrap;
  transform:translate(-50%,-100%);
  display:none;
}

#panel{
  position:fixed;top:0;right:0;bottom:0;z-index:6;
  width:min(380px,100vw);
  background:var(--panel);
  border-left:1px solid var(--stroke);
  backdrop-filter:blur(14px);
  transform:translateX(105%);
  transition:transform .3s cubic-bezier(.22,.8,.3,1);
  display:flex;flex-direction:column;
}
#panel.open{transform:translateX(0)}
.panel-head{padding:24px 24px 18px;border-bottom:1px solid var(--stroke);position:relative}
.panel-head .eyebrow{font-size:10px;letter-spacing:.3em;color:var(--cyan);margin-bottom:8px}
.panel-head h2{font-size:24px;font-weight:700;letter-spacing:.04em}
.panel-head .en{
  margin-top:4px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  color:var(--muted);
}
#panel-close{
  position:absolute;top:18px;right:18px;
  width:32px;height:32px;
  border:1px solid var(--stroke);border-radius:6px;
  background:transparent;color:var(--muted);
  font-size:16px;line-height:1;cursor:pointer;
  transition:color .15s,border-color .15s;
}
#panel-close:hover{color:var(--amber);border-color:var(--amber)}
.panel-body{padding:20px 24px 32px;overflow-y:auto}
.panel-body p{font-size:14px;line-height:1.85;color:var(--text)}
.spec-title{
  margin:24px 0 10px;
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;
  color:var(--amber);
}
.spec-row{
  display:flex;justify-content:space-between;gap:16px;
  padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.1);
  font-size:13px;
}
.spec-row dt{color:var(--muted);flex-shrink:0}
.spec-row dd{font-family:var(--mono);letter-spacing:.02em;text-align:right}
.bullets{margin:16px 0 4px;padding:0;list-style:none}
.bullets li{
  position:relative;
  padding:7px 0 7px 20px;
  font-size:13.5px;line-height:1.7;color:var(--text);
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.bullets li::before{
  content:"";
  position:absolute;left:2px;top:14px;
  width:6px;height:6px;
  background:var(--cyan);
  transform:rotate(45deg);
}
.gallery{margin:18px 0 4px;display:flex;flex-direction:column;gap:14px}
.gallery figure{margin:0;border-radius:8px;overflow:hidden;border:1px solid var(--stroke);background:#0e1729}
.gallery img{display:block;width:100%;height:auto;object-fit:cover}
.gallery figcaption{
  padding:8px 12px;
  font-size:12px;line-height:1.6;color:var(--muted);
  border-top:1px solid var(--stroke);
}
.factbox{
  margin-top:24px;
  padding:14px 16px;
  background:var(--amber-soft);
  border-left:2px solid var(--amber);
  border-radius:0 6px 6px 0;
  font-size:13px;line-height:1.8;color:var(--text);
}
.factbox b{color:var(--amber);font-family:var(--mono);font-size:10px;letter-spacing:.24em;display:block;margin-bottom:6px}

.credit{
  position:fixed;right:24px;bottom:20px;z-index:3;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;
  color:rgba(147,163,186,.55);
  pointer-events:none;
}

/* 載入 / 錯誤覆蓋層 */
#overlay{
  position:fixed;inset:0;z-index:10;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:linear-gradient(180deg, var(--bg-1), var(--bg-0));
  transition:opacity .4s;
}
#overlay.hidden{opacity:0;pointer-events:none}
#overlay .tag{
  font-family:var(--mono);font-size:12px;letter-spacing:.34em;color:var(--amber);
  animation:pulse 1.4s ease-in-out infinite;
}
#overlay .msg{font-size:14px;line-height:1.9;color:var(--muted);max-width:420px;text-align:center;padding:0 24px}
#overlay .msg code{font-family:var(--mono);color:var(--amber)}
@keyframes pulse{0%,100%{opacity:.45}50%{opacity:1}}

@media (max-width:640px){
  .v-header{padding:16px}
  .hint{display:none}
  .controls{left:16px;bottom:78px;flex-direction:row}
  .chips{padding:12px 16px 14px}
  .credit{display:none}
  #panel{
    top:auto;left:0;right:0;bottom:0;
    width:100%;max-height:52vh;
    border-left:none;border-top:1px solid var(--stroke);
    border-radius:16px 16px 0 0;
    transform:translateY(105%);
  }
  #panel.open{transform:translateY(0)}
}
@media (prefers-reduced-motion:reduce){
  #panel{transition:none}
  #overlay .tag{animation:none}
}