/* QR 碼工具（掃描／產生） */
.qr { max-width: 760px; margin: 0 auto; }
.qr [hidden] { display: none !important; }

.qr-tabs { display: flex; gap: 6px; padding: 5px; border-radius: 16px; background: color-mix(in srgb, var(--tc) 9%, var(--card, #fff)); border: 1px solid color-mix(in srgb, var(--tc) 22%, transparent); margin-bottom: 16px; }
.qr-tabs button { flex: 1; padding: 11px 8px; border: 0; border-radius: 12px; background: transparent; color: var(--tc); font: inherit; font-size: 16px; font-weight: 700; cursor: pointer; transition: background .15s, color .15s, box-shadow .15s; }
.qr-tabs button.on { background: var(--tc); color: #fff; box-shadow: 0 4px 12px color-mix(in srgb, var(--tc) 40%, transparent); }

/* 取景框 */
.qr-view { position: relative; width: min(100%, 420px); aspect-ratio: 1; margin: 0 auto 16px; border-radius: 24px; overflow: hidden; background: radial-gradient(circle at 50% 35%, #1b2a44, #0a111f 70%); box-shadow: 0 10px 30px rgba(10, 17, 31, .35); }
.qr-view video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .25s; }
.qr-view.live video { opacity: 1; }
.qr-idle { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #cfe0f7; text-align: center; padding: 20px; transition: opacity .2s; }
.qr-view.live .qr-idle { opacity: 0; pointer-events: none; }
.qr-idle-ic { font-size: 54px; line-height: 1; filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .4)); }
.qr-idle p { margin: 0; font-size: 15px; line-height: 1.7; }
.qr-frame { position: absolute; inset: 14%; pointer-events: none; }
.qr-frame i { position: absolute; width: 14%; aspect-ratio: 1; border: 4px solid #fff; border-radius: 6px; opacity: .92; }
.qr-frame i:nth-child(1) { left: 0; top: 0; border-right: 0; border-bottom: 0; border-top-left-radius: 14px; }
.qr-frame i:nth-child(2) { right: 0; top: 0; border-left: 0; border-bottom: 0; border-top-right-radius: 14px; }
.qr-frame i:nth-child(3) { left: 0; bottom: 0; border-right: 0; border-top: 0; border-bottom-left-radius: 14px; }
.qr-frame i:nth-child(4) { right: 0; bottom: 0; border-left: 0; border-top: 0; border-bottom-right-radius: 14px; }
.qr-line { position: absolute; left: 6%; right: 6%; top: 8%; height: 3px; border-radius: 3px; background: linear-gradient(90deg, transparent, #4dabf7, transparent); box-shadow: 0 0 14px #4dabf7; opacity: 0; }
.qr-view.live .qr-line { opacity: 1; animation: qrscan 2.2s ease-in-out infinite alternate; }
@keyframes qrscan { from { top: 8%; } to { top: 90%; } }
.qr-msg { position: absolute; left: 12px; right: 12px; bottom: 12px; padding: 10px 14px; border-radius: 12px; background: rgba(255, 255, 255, .96); color: #7a1f1f; font-size: 14px; line-height: 1.55; text-align: center; }

.qr-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 4px 0 10px; }
.qr-actions .tl-btn { border-radius: 14px; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
.qr-file { cursor: pointer; }
.qr-hint { text-align: center; max-width: 440px; margin: 0 auto 14px; line-height: 1.7; }

/* 電腦上貼截圖、拖圖片 */
.qr-tip { display: grid; gap: 4px; max-width: 560px; margin: 0 auto 14px; padding: 12px 16px; border-radius: 16px; background: color-mix(in srgb, var(--tc) 7%, var(--card, #fff)); border: 1px dashed color-mix(in srgb, var(--tc) 45%, transparent); font-size: 13.5px; line-height: 1.8; }
.qr-tip b { color: var(--tc); }
.qr-tip kbd { padding: 1px 7px; border-radius: 6px; border: 1px solid var(--line, #ccc); border-bottom-width: 2px; background: var(--card, #fff); font: inherit; font-size: 12.5px; }
@media (hover: none) and (pointer: coarse) { .qr-tip { display: none; } }
#qr-scan.drag { outline: 3px dashed var(--tc); outline-offset: 6px; border-radius: 20px; background: color-mix(in srgb, var(--tc) 6%, transparent); }

/* 掃描結果 */
.qr-result { margin: 16px 0; padding: 16px; border-radius: 20px; background: var(--card, #fff); border: 1px solid color-mix(in srgb, var(--tc) 30%, var(--line, #ddd)); box-shadow: 0 8px 24px rgba(0, 0, 0, .08); animation: qrpop .25s ease-out; }
@keyframes qrpop { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
.qr-res-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.qr-badge { display: inline-block; padding: 4px 14px; border-radius: 99px; background: var(--tc); color: #fff; font-weight: 700; font-size: 14px; }
.qr-again { border: 0; background: none; color: var(--tc); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; text-decoration: underline; }
.qr-url { padding: 12px 14px; border-radius: 14px; background: color-mix(in srgb, var(--tc) 8%, var(--card, #fff)); word-break: break-all; line-height: 1.5; }
.qr-url b { display: block; font-size: 19px; color: var(--tc); }
.qr-url span { font-size: 13px; color: var(--sub, #666); }
.qr-warn { margin: 8px 0 0; padding: 0; list-style: none; font-size: 13.5px; color: #9a3412; display: grid; gap: 4px; }
.qr-text { margin: 0; padding: 12px 14px; border-radius: 14px; background: color-mix(in srgb, var(--tc) 8%, var(--card, #fff)); white-space: pre-wrap; word-break: break-word; font: inherit; font-size: 15px; line-height: 1.6; max-height: 240px; overflow: auto; }
.qr-kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0; padding: 12px 14px; border-radius: 14px; background: color-mix(in srgb, var(--tc) 8%, var(--card, #fff)); }
.qr-kv dt { color: var(--sub, #666); font-size: 13.5px; } .qr-kv dd { margin: 0; font-weight: 700; word-break: break-all; }
.qr-result .qr-actions { margin: 14px 0 0; justify-content: flex-start; }

/* 記錄 */
.qr-hist { margin-top: 22px; }
.qr-hist-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.qr-hist-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.qr-hist-list li { display: flex; align-items: stretch; border: 1px solid var(--line, #ddd); border-radius: 14px; background: var(--card, #fff); overflow: hidden; }
.qr-h-main { flex: 1; min-width: 0; display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: center; text-align: left; padding: 10px 12px; border: 0; background: none; color: inherit; font: inherit; cursor: pointer; }
.qr-h-ic { grid-row: span 2; font-size: 22px; } .qr-h-tx { font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .qr-h-main small { color: var(--sub, #666); font-size: 12px; }
.qr-h-del { width: 44px; border: 0; border-left: 1px solid var(--line, #ddd); background: none; color: var(--sub, #666); font-size: 20px; cursor: pointer; }

/* 產生 */
.qr-make { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 20px; align-items: start; }
@media (max-width: 680px) { .qr-make { grid-template-columns: minmax(0, 1fr); } }
.qr-types { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.qr-types button { padding: 8px 14px; border-radius: 99px; border: 1px solid color-mix(in srgb, var(--tc) 40%, transparent); background: var(--card, #fff); color: var(--tc); font: inherit; font-size: 14.5px; font-weight: 600; cursor: pointer; }
.qr-types button.on { background: var(--tc); color: #fff; border-color: var(--tc); }
.qr-fields { display: grid; gap: 12px; }
.qr-fields label { display: grid; gap: 5px; font-size: 13.5px; color: var(--sub, #666); }
.qr-fields input, .qr-fields textarea, .qr-fields select { width: 100%; box-sizing: border-box; padding: 11px 13px; border: 1px solid var(--line, #ccc); border-radius: 12px; font: inherit; font-size: 16px; background: var(--card, #fff); color: inherit; }
.qr-fields input:focus, .qr-fields textarea:focus, .qr-fields select:focus { outline: 2px solid color-mix(in srgb, var(--tc) 55%, transparent); outline-offset: 1px; }
/* 外觀選項 */
.qr-style { margin-top: 16px; padding: 14px; border-radius: 18px; background: color-mix(in srgb, var(--tc) 5%, var(--card, #fff)); border: 1px solid var(--line, #ddd); display: grid; gap: 12px; }
.qr-row { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 8px; align-items: center; font-size: 13.5px; color: var(--sub, #666); }
.qr-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.qr-chips button { padding: 6px 12px; border-radius: 99px; border: 1px solid var(--line, #ccc); background: var(--card, #fff); color: inherit; font: inherit; font-size: 13.5px; cursor: pointer; }
.qr-chips button.on { background: var(--tc); border-color: var(--tc); color: #fff; font-weight: 700; }
.qr-sws { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.qr-sw { width: 30px; height: 30px; border-radius: 50%; border: 3px solid var(--card, #fff); background: var(--c); box-shadow: 0 0 0 1px var(--line, #ccc); cursor: pointer; padding: 0; position: relative; overflow: hidden; display: inline-block; box-sizing: border-box; }
.qr-sw.on { box-shadow: 0 0 0 3px var(--c); }
.qr-sw-c { background: conic-gradient(#f03e3e, #f59f00, #40c057, #339af0, #7048e8, #f03e3e); }
.qr-sw-c.on { background: var(--c); }
.qr-sw-c input { position: absolute; inset: -6px; width: 44px; height: 44px; opacity: 0; cursor: pointer; }
.qr-chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; color: inherit; }
.qr-warn2 { margin: 10px 0 0; font-size: 13px; line-height: 1.7; color: #9a3412; }
.qr-warn2:empty { display: none; }
.qr-out { position: sticky; top: 12px; }
.qr-card { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; border-radius: 22px; background: #fff; border: 1px solid var(--line, #ddd); box-shadow: 0 10px 28px rgba(0, 0, 0, .1); padding: 10px; overflow: hidden; }
.qr-card > svg { width: 100%; height: 100%; display: block; }
.qr-empty { padding: 20px; text-align: center; color: #7b8494; font-size: 14px; line-height: 1.7; }
.qr-bad { color: #b42318; }
.qr-out .qr-actions { margin-top: 14px; }
.qr-foot { text-align: center; margin-top: 26px; }

/* 圖片融合 */
.qr-pick { display: flex; align-items: center; gap: 10px; }
.qr-thumb { width: 44px; height: 44px; border-radius: 10px; object-fit: cover; border: 1px solid var(--line, #ccc); }
.qr-pnote { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--sub, #666); }

.qr-langbar { display: flex; justify-content: flex-end; margin: 0 0 8px; }
.qr-langbar label { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--sub, #666); }
.qr-langbar select { padding: 4px 8px; border-radius: 10px; border: 1px solid var(--line, #ccc); background: var(--card, #fff); color: inherit; font-size: 13px; }

.qr-view { cursor: pointer; }
.qr-view.live { cursor: default; }
.qr-idle-ic { transition: transform .15s; }
.qr-view:active .qr-idle-ic { transform: scale(.92); }

.qr-cam-tools { flex-wrap: wrap; display: flex; align-items: center; justify-content: center; gap: 14px; margin: 0 auto 12px; max-width: 460px; }
.qr-cam-tools[hidden], .qr-zoom[hidden] { display: none; }
.qr-zoom { display: flex; align-items: center; gap: 8px; flex: 1; font-size: 13px; }
.qr-zoom input { flex: 1; min-width: 0; }
#qr-torch.on { background: var(--tc); color: #fff; }
.qr-view { position: relative; overflow: hidden; }
.qr-focus-ring { position: absolute; width: 64px; height: 64px; margin: -32px 0 0 -32px; border: 2px solid #ffd43b; border-radius: 50%; pointer-events: none; animation: qrfocus .7s ease-out forwards; }
@keyframes qrfocus { from { transform: scale(1.6); opacity: 1; } to { transform: scale(1); opacity: .2; } }