:root {
  --bg: #f4f2ee; --panel: #ffffff; --ink: #1f2328; --muted: #6b6f76; --line: #e3e0da;
  --brand: #b8862b; --brand-ink: #ffffff; --brand-soft: #f6ecd8; --navy: #1d2b45;
  --ok: #2f7d4f; --warn: #a15c07; --err: #b42318; --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.05);
  font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.6; }
a { color: var(--brand); }
header.top { background: var(--navy); color: #fff; padding: 12px 24px; display: flex; align-items: center; gap: 16px; position: sticky; top: 0; z-index: 10; }
header.top h1 { font-size: 18px; margin: 0; font-weight: 700; letter-spacing: .5px; }
header.top h1 span { color: var(--brand); }
header.top nav { margin-left: auto; display: flex; gap: 8px; }
@media (max-width: 700px) {
  header.top { flex-wrap: wrap; gap: 6px; padding: 10px 16px; }
  header.top h1 { font-size: 16px; }
  header.top nav { margin-left: 0; width: 100%; overflow-x: auto; }
}
header.top nav a { white-space: nowrap; }
header.top nav a { color: #dfe5ef; text-decoration: none; padding: 6px 12px; border-radius: 8px; font-size: 14px; }
header.top nav a.active, header.top nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
main.layout { display: grid; grid-template-columns: 380px 1fr; gap: 20px; padding: 20px 24px; max-width: 1500px; margin: 0 auto; }
@media (max-width: 960px) { main.layout { grid-template-columns: 1fr; padding: 16px; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.panel h2 { font-size: 16px; margin: 0 0 12px; }
.sticky { position: sticky; top: 72px; align-self: start; max-height: calc(100vh - 90px); overflow: auto; }
@media (max-width: 960px) { .sticky { position: static; max-height: none; } }
label.f { display: block; font-weight: 600; font-size: 13px; margin: 12px 0 4px; }
label.f small { font-weight: 400; color: var(--muted); }
input[type=text], input[type=number], input[type=password], textarea, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff; color: inherit;
}
textarea { resize: vertical; min-height: 64px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; user-select: none; font-size: 14px; background: #fff; transition: .15s; }
.chip input { display: none; }
.chip.on { background: var(--brand-soft); border-color: var(--brand); color: #6d4c0f; font-weight: 600; }
.row { display: flex; gap: 10px; align-items: center; }
.row > * { flex: 1; }
.seg { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { flex: 1; border: 0; background: #fff; padding: 8px; font: inherit; cursor: pointer; border-right: 1px solid var(--line); }
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--navy); color: #fff; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: #fff; font: inherit; font-size: 14px; cursor: pointer; color: inherit; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); font-weight: 700; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.dark { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.danger { color: var(--err); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.block { width: 100%; padding: 12px; font-size: 16px; margin-top: 16px; }
.muted { color: var(--muted); font-size: 13px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: #eef1f5; color: #44505f; }
.badge.warn { background: #fdf0dc; color: var(--warn); }
.badge.ok { background: #e3f3e9; color: var(--ok); }
.badge.err { background: #fde7e5; color: var(--err); }
.cost-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
@media (max-width: 700px) { .cost-bar { grid-template-columns: repeat(2, 1fr); } }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.stat .k { font-size: 12px; color: var(--muted); }
.stat .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .s { font-size: 12px; color: var(--muted); }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar .grow { flex: 1; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 16px; }
@media (max-width: 700px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); display: flex; flex-direction: column; min-height: 260px; }
.card-h { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.card-h .name { font-weight: 700; }
.card-h .meta { margin-left: auto; text-align: right; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.card-b { padding: 14px; flex: 1; }
.card-b textarea.content { width: 100%; min-height: 280px; border: 0; padding: 0; font: inherit; line-height: 1.75; resize: vertical; outline: none; white-space: pre-wrap; }
.card-f { display: flex; gap: 6px; flex-wrap: wrap; padding: 10px 14px; border-top: 1px solid var(--line); background: #faf9f6; border-radius: 0 0 var(--radius) var(--radius); }
.card-f .grow { flex: 1; }
.hooks { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.hook { border: 1px solid var(--line); background: #faf7f0; border-radius: 8px; padding: 4px 10px; font: inherit; font-size: 13px; cursor: pointer; text-align: left; color: inherit; }
.hook:hover { border-color: var(--brand); background: var(--brand-soft); }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; }
table.list th, table.list td { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
table.list th { font-size: 13px; color: var(--muted); white-space: nowrap; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 24px; }
@media (max-width: 700px) { .wrap { padding: 16px; } table.list { font-size: 13px; } }
.card.loading .card-b { display: grid; place-items: center; color: var(--muted); }
.spinner { width: 28px; height: 28px; border: 3px solid var(--brand-soft); border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; margin: 0 auto 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
.err-box { color: var(--err); background: #fde7e5; border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.empty { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty .big { font-size: 46px; }
.history { margin-top: 18px; }
.history .item { display: flex; gap: 8px; align-items: center; padding: 8px 4px; border-bottom: 1px dashed var(--line); cursor: pointer; font-size: 13px; }
.history .item:hover { background: #faf7f0; }
.history .item .t { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 14px; opacity: 0; transition: .25s; pointer-events: none; z-index: 99; }
.toast.show { opacity: 1; }
dialog { border: 0; border-radius: var(--radius); padding: 20px; width: min(520px, 92vw); box-shadow: 0 20px 60px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(20,24,32,.45); }
dialog h3 { margin: 0 0 10px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.versions { font-size: 12px; }
.versions select { width: auto; padding: 2px 6px; font-size: 12px; }
/* 後台 */
.admin { max-width: 1100px; margin: 0 auto; padding: 20px 24px; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { border: 1px solid var(--line); background: #fff; padding: 8px 16px; border-radius: 8px; cursor: pointer; font: inherit; }
.tabs button.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.pf { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; margin-bottom: 12px; }
.pf > summary { padding: 12px 16px; cursor: pointer; display: flex; gap: 10px; align-items: center; list-style: none; }
.pf > summary::-webkit-details-marker { display: none; }
.pf .pf-body { padding: 4px 16px 16px; border-top: 1px solid var(--line); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 14px; }
@media (max-width: 700px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
table.models { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; }
table.models th, table.models td { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
table.models th { white-space: nowrap; font-size: 13px; }
table.models input, table.models select { padding: 5px 7px; font-size: 13px; }
table.models select { min-width: 110px; }
pre.code { background: #1d2230; color: #e6e9ef; padding: 12px 14px; border-radius: 8px; overflow: auto; font-size: 13px; line-height: 1.5; }
.savebar { position: sticky; bottom: 0; background: rgba(244,242,238,.95); padding: 12px 0; display: flex; gap: 10px; align-items: center; border-top: 1px solid var(--line); margin-top: 16px; }