/* Black Box 掃描 App —— 同網站同一套顏色：橙色只代表行動同狀態 */
:root{
  --bg:#0b0b0c; --bg-2:#111113; --card:#161618; --card-2:#1c1c1f; --elev:#1f1f22;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --ink:#f2f2f3; --ink-2:#c9c9ce; --muted:#9a9aa1; --hint:#83838b;
  --orange:#ff5a1f; --orange-hi:#ff6c36; --orange-ink:#0b0b0c; --orange-soft:rgba(255,90,31,.14);
  --ok:#34c759; --ok-soft:rgba(52,199,89,.14); --err:#ff6b5b;
  --font:-apple-system,BlinkMacSystemFont,"PingFang HK","PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --hex:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
  --ease:cubic-bezier(.2,.7,.2,1);
  --st:env(safe-area-inset-top,0px); --sb:env(safe-area-inset-bottom,0px);
  --sl:env(safe-area-inset-left,0px); --sr:env(safe-area-inset-right,0px);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
body{margin:0;min-height:100dvh;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:1.0625rem;line-height:1.5;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}
img,svg{display:block;max-width:100%}
a{color:var(--orange);text-decoration:none}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:8px}
[hidden]{display:none !important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}
.small{font-size:.875rem}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 導覽列 ---------- */
.bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:calc(var(--st) + 8px) calc(var(--sr) + 12px) 8px calc(var(--sl) + 16px);
  background:rgba(11,11,12,.86);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid var(--line)}
.bar-logo{display:inline-flex;align-items:center;min-height:44px}
.bar-logo img{height:32px;width:auto}
@media (max-width:360px){.bar-logo img{height:26px}}
.bar-end{display:flex;align-items:center;gap:8px}
.badge{font-size:.8125rem;font-weight:600;color:var(--orange);background:var(--orange-soft);padding:4px 10px;border-radius:999px}
.icon-btn{width:44px;height:44px;display:grid;place-items:center;border:0;border-radius:12px;background:transparent;color:var(--ink);cursor:pointer}
.icon-btn:hover{background:rgba(255,255,255,.06)}
.icon-btn:active{transform:scale(.94)}
.icon-btn svg{width:24px;height:24px}
.icon-btn.sm svg{width:20px;height:20px}

/* ---------- 主畫面 ---------- */
.main{max-width:560px;margin:0 auto;padding:16px calc(var(--sr) + 16px) calc(var(--sb) + 28px) calc(var(--sl) + 16px)}
.cam{position:relative;aspect-ratio:3/4;max-height:62dvh;width:100%;margin:0 auto;border-radius:24px;overflow:hidden;background:var(--card);border:1px solid var(--line)}
@media (min-aspect-ratio:4/3),(min-width:700px){.cam{aspect-ratio:4/3}}
.cam video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.cam.live video{opacity:1}
.frame{position:absolute;inset:16% 18%;pointer-events:none;opacity:0;transition:opacity .3s}
.cam.live .frame{opacity:1}
.frame i{position:absolute;width:34px;height:34px;border:3px solid #fff;border-radius:4px}
.frame i:nth-child(1){left:0;top:0;border-right:0;border-bottom:0;border-top-left-radius:14px}
.frame i:nth-child(2){right:0;top:0;border-left:0;border-bottom:0;border-top-right-radius:14px}
.frame i:nth-child(3){left:0;bottom:0;border-right:0;border-top:0;border-bottom-left-radius:14px}
.frame i:nth-child(4){right:0;bottom:0;border-left:0;border-top:0;border-bottom-right-radius:14px}
.cam.hit .frame i{border-color:var(--orange)}
.cam.ok .frame i{border-color:var(--ok)}
.cam-msg{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:28px;text-align:center}
.cam.live .cam-msg{display:none}
.cam-msg svg{width:48px;height:48px;color:var(--muted)}
.cam-msg p{color:var(--ink-2);max-width:20em}
.hint{text-align:center;color:var(--muted);font-size:.9375rem;margin:14px 0 0}

.manual{display:flex;gap:10px;margin-top:20px}
.manual input{flex:1;min-width:0;height:50px;border-radius:14px;border:1px solid var(--line-2);background:var(--card);padding:0 16px;font-family:var(--mono);font-size:1.0625rem;letter-spacing:.06em;text-transform:uppercase}
.manual input::placeholder{color:var(--hint);letter-spacing:.04em}
.manual input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px var(--orange-soft)}

/* ---------- 按鈕 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 20px;border-radius:14px;border:1px solid var(--line-2);background:transparent;font-weight:600;cursor:pointer;transition:transform .12s var(--ease),background .2s}
.btn:hover{background:rgba(255,255,255,.05)}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.55;cursor:progress}
.btn-primary{background:var(--orange);border-color:var(--orange);color:var(--orange-ink)}
.btn-primary:hover{background:var(--orange-hi)}
.btn-sm{min-height:36px;padding:0 14px;border-radius:10px;font-size:.9375rem}
.btn-block{width:100%}
.text-btn{border:0;background:none;color:var(--orange);font-weight:600;min-height:44px;cursor:pointer;padding:0 6px}

/* ---------- 提示條 ---------- */
.install,.batch{display:flex;align-items:center;gap:10px;padding:10px 8px 10px 16px;margin-bottom:14px;border-radius:16px;background:var(--card);border:1px solid var(--line)}
.install p{flex:1;font-size:.9375rem;color:var(--ink-2)}
.batch{border-color:rgba(255,90,31,.5);background:var(--orange-soft);padding-right:12px}
.batch>div{flex:1;display:flex;flex-direction:column}
.batch-k{font-size:.8125rem;color:var(--ink-2)}
.batch b{font-size:1.0625rem}

/* ---------- 連續更新紀錄 ---------- */
.log-wrap{margin-top:28px}
.log-wrap h2{font-size:.8125rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-family:var(--mono);margin:0 0 8px}
.log{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.log li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.log .mark{width:22px;height:20px;flex:none;clip-path:var(--hex);background:var(--ok);display:grid;place-items:center;color:var(--orange-ink)}
.log .mark svg{width:13px;height:13px;stroke-width:3}
.log li.bad .mark{background:var(--err)}
.log .c{font-family:var(--mono);font-weight:700;letter-spacing:.04em}
.log .s{color:var(--muted);font-size:.875rem}
.log .t{margin-left:auto;color:var(--muted);font-family:var(--mono);font-size:.8125rem}

/* ---------- 底部面板（手機）／對話框（闊螢幕） ---------- */
.scrim{position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.55)}
.sheet{position:fixed;z-index:50;left:0;right:0;bottom:0;max-height:88dvh;display:flex;flex-direction:column;background:var(--bg-2);border-radius:22px 22px 0 0;border:1px solid var(--line-2);border-bottom:0;
  padding:0 calc(var(--sr) + 20px) calc(var(--sb) + 20px) calc(var(--sl) + 20px);animation:up .28s var(--ease)}
@keyframes up{from{transform:translateY(24px);opacity:0}to{transform:none;opacity:1}}
@media (min-width:700px){
  .sheet{left:50%;right:auto;bottom:auto;top:50%;width:min(520px,92vw);max-height:84dvh;transform:translate(-50%,-50%);border-radius:22px;border-bottom:1px solid var(--line-2);padding-bottom:22px;animation:fade .2s ease}
  .grabber{display:none}
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.grabber{width:38px;height:5px;border-radius:3px;background:var(--line-2);margin:8px auto 0;flex:none}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0 4px;flex:none}
.sheet-head h2{font-size:1.25rem;margin:0}
.sheet-head .close{margin-left:auto;margin-right:-10px}
.sheet-body{overflow:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}

/* 結果 */
.r-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.r-code{font-family:var(--mono);font-size:1.5rem;font-weight:700;letter-spacing:.05em}
.r-label{color:var(--muted);font-size:.9375rem;margin-top:2px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--orange-soft);color:var(--orange);font-weight:700;font-size:.9375rem;white-space:nowrap}
.pill::before{content:"";width:10px;height:9px;clip-path:var(--hex);background:currentColor}
.pill.done{background:var(--ok-soft);color:var(--ok)}
.client{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-size:.9375rem}
.client b{display:block;font-size:1.0625rem}
.keep{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-size:.9375rem;color:var(--ink-2)}
.keep b{color:var(--ink)}

.ladder{list-style:none;margin:20px 0 0;padding:0;position:relative}
.ladder::before{content:"";position:absolute;left:12px;top:12px;bottom:12px;width:2px;background:var(--line-2)}
.ladder li{position:relative;padding:0 0 14px 42px;min-height:26px}
.ladder li:last-child{padding-bottom:0}
.ladder .dot{position:absolute;left:0;top:1px;width:26px;height:24px;clip-path:var(--hex);background:var(--line-2)}
.ladder .dot::before{content:"";position:absolute;inset:2px 2.3px;clip-path:var(--hex);background:var(--bg-2)}
.ladder li.done .dot,.ladder li.done .dot::before{background:var(--orange)}
.ladder li.done .dot::after{content:"";position:absolute;left:10px;top:5px;width:5px;height:10px;border:solid var(--orange-ink);border-width:0 2px 2px 0;transform:rotate(45deg)}
.ladder li.now .dot{background:var(--orange)}
.ladder li.now .dot::after{content:"";position:absolute;inset:7px 7.5px;clip-path:var(--hex);background:var(--orange)}
.ladder li.done::after{content:"";position:absolute;left:12px;top:25px;bottom:-1px;width:2px;background:var(--orange)}
.ladder h4{margin:0;font-size:1rem;font-weight:600;line-height:1.35}
.ladder li:not(.done):not(.now) h4{color:var(--muted);font-weight:500}
.ladder time{display:block;font-family:var(--mono);font-size:.8125rem;color:var(--muted)}

.actions{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:grid;gap:10px}
.actions h3{margin:0 0 2px;font-size:.8125rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-family:var(--mono)}
.actions .two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
details.more summary{list-style:none;cursor:pointer;color:var(--orange);font-weight:600;min-height:44px;display:flex;align-items:center}
details.more summary::-webkit-details-marker{display:none}
details.more[open] summary{color:var(--ink-2)}
.stack{display:grid;gap:12px}
select,.stack input,.actions input{width:100%;min-height:50px;border-radius:14px;border:1px solid var(--line-2);background:var(--card);padding:0 14px}
select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px;background-repeat:no-repeat;padding-right:36px}
.stack input:focus,.actions input:focus,select:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 4px var(--orange-soft)}
.err{color:var(--err);font-size:.9375rem;margin:0}
.web-link{display:inline-flex;min-height:44px;align-items:center;font-weight:600}

/* 設定 */
.group{padding:16px 0;border-top:1px solid var(--line)}
.group:first-child{border-top:0;padding-top:6px}
.group h3{margin:0 0 10px;font-size:.8125rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-family:var(--mono)}
.row{display:grid;gap:6px}
.field-label{font-size:.9375rem;color:var(--ink-2)}
.seg{display:grid;grid-template-columns:1fr 1fr;padding:3px;border-radius:12px;background:var(--card);border:1px solid var(--line)}
.seg button{min-height:40px;border:0;border-radius:9px;background:transparent;cursor:pointer;font-weight:600;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.link-row{display:flex;align-items:center;min-height:48px;border-bottom:1px solid var(--line);color:var(--ink)}
.link-row::after{content:"›";margin-left:auto;color:var(--muted);font-size:1.25rem}
.link-row:last-child{border-bottom:0}

/* Toast */
.toast{position:fixed;left:50%;bottom:calc(var(--sb) + 24px);z-index:60;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  max-width:calc(100vw - 32px);padding:12px 18px;border-radius:14px;background:var(--elev);border:1px solid var(--line-2);box-shadow:0 12px 32px rgba(0,0,0,.5);font-weight:600;font-size:.9375rem;transition:opacity .2s,transform .2s var(--ease)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.bad{border-color:rgba(255,107,91,.6)}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .btn:active,.icon-btn:active{transform:none}
}
@media (prefers-reduced-transparency:reduce){.bar{background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none}}
@media (prefers-contrast:more){:root{--line:rgba(255,255,255,.22);--line-2:rgba(255,255,255,.4);--muted:#c2c2c8;--ink-2:#e2e2e6;--hint:#a8a8b0}}