/* 打印管理网站：浅色 / 深色自动切换；桌面优先，手机可用 */
:root {
  color-scheme: light dark;
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #141a23;
  --muted: #5d6878;
  --line: #e2e7ee;
  --accent: #2f6fec;
  --accent-ink: #ffffff;
  --accent-soft: #e8f0ff;
  --ok: #13784a; --ok-soft: #e3f5ec;
  --warn: #9a5c00; --warn-soft: #fff3da;
  --bad: #c2372b; --bad-soft: #fdebea;
  --info: #2f5fcc; --info-soft: #e8efff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1217; --panel: #161b22; --ink: #e6eaf0; --muted: #98a3b3; --line: #262f3c;
    --accent: #6b9bff; --accent-ink: #0e1217; --accent-soft: #1a2640;
    --ok: #4fd19a; --ok-soft: #12322a; --warn: #f0b54a; --warn-soft: #3a2d14; --bad: #ff7a6e; --bad-soft: #3a1f1d; --info: #8fb1ff; --info-soft: #1a2640;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14px/1.55 -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0; font-weight: 700; letter-spacing: -.2px; }
h2 { font-size: 15px; margin: 0; font-weight: 650; }
h3 { font-size: 13px; margin: 18px 0 8px; font-weight: 650; color: var(--muted); }
p { margin: 6px 0; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
pre { white-space: pre-wrap; word-break: break-all; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: 12px/1.45 var(--mono); margin: 6px 0 0; max-height: 320px; overflow: auto; }
details summary { cursor: pointer; color: var(--accent); font-size: 13px; margin-top: 8px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.bad-text { color: var(--bad); }
.offscreen { position: fixed; left: -9999px; opacity: 0; }

button, select, input, textarea { font: inherit; color: inherit; }
button {
  border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 6px 12px; cursor: pointer; white-space: nowrap;
  transition: border-color .15s, background .15s;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.danger { color: var(--bad); }
button.danger:hover:not(:disabled) { border-color: var(--bad); }
button.ghost { border-color: transparent; background: transparent; }
input, select, textarea { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 6px 10px; min-width: 0; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { width: 100%; resize: vertical; font-family: var(--mono); font-size: 12.5px; }
select[multiple] { padding: 4px; }

/* ---- 登录 ---- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-card { width: min(380px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.login-card label { display: grid; gap: 4px; }
.login-card label span { font-size: 13px; color: var(--muted); }
.login-card input { padding: 9px 12px; }
.login-card button.primary { padding: 9px; font-size: 15px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand div { display: grid; }
.brand strong { font-size: 17px; }
.brand span { font-size: 12.5px; color: var(--muted); }
.form-error { color: var(--bad); margin: 0; min-height: 1em; white-space: pre-line; }

/* ---- 顶栏 ---- */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar .brand strong { font-size: 15px; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); white-space: nowrap; font-weight: 550; }
.nav a:hover { background: var(--bg); text-decoration: none; color: var(--ink); }
.nav a.on { background: var(--accent-soft); color: var(--accent); }
.me { position: relative; }
.me > button { display: flex; align-items: baseline; gap: 6px; }
.me small { color: var(--muted); }
.menu { position: absolute; right: 0; top: calc(100% + 6px); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 24px rgba(0, 0, 0, .12); min-width: 220px; padding: 8px; display: grid; gap: 2px; }
.menu a, .menu button { display: block; text-align: left; padding: 8px 10px; border-radius: 6px; border: 0; background: transparent; color: var(--ink); width: 100%; }
.menu a:hover, .menu button:hover { background: var(--bg); text-decoration: none; }
.menu p { padding: 2px 10px 6px; margin: 0; border-bottom: 1px solid var(--line); }

/* ---- 页面 ---- */
.view { max-width: 1480px; margin: 0 auto; padding: 18px 20px 48px; display: grid; gap: 16px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.page-head > div:first-child { display: grid; gap: 2px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }
.stack { display: grid; gap: 16px; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: start; }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; min-width: 0; box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.panel h1 { margin-bottom: 6px; }
.narrow-panel { max-width: 560px; }
.detail { position: sticky; top: 70px; max-height: calc(100vh - 90px); overflow: auto; }
.hint { font-size: 12.5px; color: var(--muted); margin: 8px 0 0; }
.empty { padding: 28px 12px; text-align: center; color: var(--muted); }
.callout { border-radius: 10px; padding: 10px 14px; margin: 0; font-size: 13px; }
.callout.warn { background: var(--warn-soft); color: var(--warn); }
.callout.bad { background: var(--bad-soft); color: var(--bad); }

.badge { display: inline-block; border-radius: 6px; padding: 0 7px; font-size: 12px; line-height: 21px; white-space: nowrap; }
.b-ok { background: var(--ok-soft); color: var(--ok); }
.b-warn { background: var(--warn-soft); color: var(--warn); }
.b-bad { background: var(--bad-soft); color: var(--bad); }
.b-info { background: var(--info-soft); color: var(--info); }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border-radius: 999px; padding: 2px 11px; font-size: 12.5px; }
.chip b { font-variant-numeric: tabular-nums; }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* ---- 表格 ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 500; white-space: nowrap; }
tr.clickable { cursor: pointer; }
tr.clickable:hover, tr.sel { background: var(--accent-soft); }
tr.attention td { background: var(--warn-soft); }
tr.muted-row td { opacity: .6; }
tr.empty-row td { text-align: center; color: var(--muted); padding: 22px 8px; }
td .row { flex-wrap: nowrap; }

dl.kv { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 4px 12px; margin: 0; font-size: 13px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; font-family: var(--mono); font-size: 12.5px; overflow-wrap: anywhere; }
.actions-box { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
.actions-box h3 { margin-top: 0; }
.actions-box input { flex: 1; min-width: 200px; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { border-left: 2px solid var(--line); padding: 4px 0 10px 14px; position: relative; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 10px; width: 10px; height: 10px; border-radius: 50%; background: var(--panel); border: 2px solid var(--muted); }
.timeline li.bad::before { border-color: var(--bad); }
.timeline li.good::before { border-color: var(--ok); }
.timeline time { font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* ---- 值守 ---- */
.printer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.printer-card { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 3px; }
.queue { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin-top: 8px; }
.queue ol { margin: 6px 0 0; padding-left: 22px; }
.queue li { padding: 2px 0; }

/* ---- 统计 ---- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; display: grid; gap: 2px; box-shadow: var(--shadow); }
.tile strong { font-size: 24px; font-variant-numeric: tabular-nums; letter-spacing: -.5px; }
.tile.warn strong { color: var(--warn); }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 180px; padding-top: 8px; overflow-x: auto; }
.bar-col { flex: 1 0 28px; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; }
.bar-stack { flex: 1; width: 100%; max-width: 36px; display: flex; flex-direction: column; justify-content: flex-end; background: var(--bg); border-radius: 6px; overflow: hidden; }
.bar { width: 100%; }
.bar.ok { background: var(--ok); }
.bar.bad { background: var(--bad); }
.bar.rest { background: var(--muted); opacity: .45; }
.bar-value { font-variant-numeric: tabular-nums; }

/* ---- 打印测试 ---- */
.connection { display: grid; grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)) minmax(0, 1.5fr); gap: 12px; align-items: end; }
.connection label, .form label { display: grid; gap: 4px; }
.connection label span, .form label span { font-size: 12.5px; color: var(--muted); }
.connection small, .form small { font-size: 12px; color: var(--muted); }
.device-card { border: 1px dashed var(--line); border-radius: 10px; padding: 8px 12px; display: grid; gap: 2px; }
.device-card[data-status="ready"] { border-color: var(--ok); }
.device-card[data-status="blocked"] { border-color: var(--warn); }
.step-head { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.step-no { font: 700 13px/1 var(--mono); background: var(--accent-soft); color: var(--accent); border-radius: 8px; padding: 8px 9px; }
.step-head p { margin: 2px 0; }
.feedback { white-space: pre-line; margin-top: 10px; font-size: 13px; }
.feedback:empty { display: none; }
.feedback[data-tone="ok"] { color: var(--ok); }
.feedback[data-tone="bad"] { color: var(--bad); }
.progress-box { margin-top: 12px; display: grid; gap: 6px; }
progress { width: 100%; height: 10px; accent-color: var(--accent); }

.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; }
.form.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form .full { grid-column: 1 / -1; }
.form label .row input { flex: 1; }
.narrow { display: grid; gap: 12px; max-width: 460px; }
.narrow .form { grid-template-columns: 1fr; }
.actions { display: flex; gap: 8px; }

/* ---- 扫码站 ---- */
.pairing { border-color: var(--accent); }
.code-box { font: 700 34px/1.2 var(--mono); letter-spacing: 6px; padding: 10px 18px; border: 1px dashed var(--accent); border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: inline-block; margin: 8px 0; }

/* ---- 弹出层与提示 ---- */
.dialog-wrap { position: fixed; inset: 0; background: rgba(10, 14, 20, .45); display: grid; place-items: center; padding: 16px; z-index: 50; }
.dialog { width: min(640px, 100%); max-height: calc(100vh - 32px); overflow: auto; background: var(--panel); border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(0, 0, 0, .25); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.dialog-head button { font-size: 20px; line-height: 1; padding: 2px 8px; }
.dialog-body { padding: 16px 18px; display: grid; gap: 10px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px 16px; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 18px; border-radius: 999px; font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 60; max-width: calc(100vw - 32px); text-align: center; }
.toast.show { opacity: 1; }
.toast[data-tone="bad"] { background: var(--bad); color: #fff; }

@media (max-width: 1100px) {
  .grid-2, .grid-3, .split { grid-template-columns: 1fr; }
  .detail { position: static; max-height: none; }
  .connection { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .topbar { flex-wrap: wrap; padding: 8px 16px; gap: 8px; }
  .topbar .brand { order: 1; }
  .me { order: 2; margin-left: auto; }
  .nav { order: 3; flex-basis: 100%; }
  .view { padding: 14px 16px 40px; }
  .form, .form.three, .form.four, .connection { grid-template-columns: 1fr; }
  dl.kv { grid-template-columns: 92px minmax(0, 1fr); }
  .tile strong { font-size: 20px; }
  thead { display: none; }
  table, tbody, tr, td { display: block; }
  tr { padding: 8px 0; border-bottom: 1px solid var(--line); }
  td { border: 0; padding: 2px 4px; }
  td .row { flex-wrap: wrap; }
}
.queue .badge { white-space: normal; }
.step .row { margin-top: 10px; }