/* Customer area. Same paper-and-ink look as the console and the guide; fonts are self-hosted (nothing is loaded from other sites). */
@font-face { font-family: "Fraunces"; font-weight: 500; font-style: normal; font-display: swap; src: url("fonts/fraunces-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Fraunces"; font-weight: 600; font-style: normal; font-display: swap; src: url("fonts/fraunces-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-weight: 400; font-display: swap; src: url("fonts/instrument-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-weight: 500; font-display: swap; src: url("fonts/instrument-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-weight: 600; font-display: swap; src: url("fonts/instrument-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-display: swap; src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }

:root {
  --paper: #f4f0e8;
  --panel: #faf7f1;
  --ink: #1d1b17;
  --ink-2: #55503f;
  --ink-3: #8a8371;
  --rule: #d9d2c0;
  --rule-2: #c3bba5;
  --accent: #c2391a;
  --accent-ink: #fffaf3;
  --ok: #2f6b3c;
  --warn: #9a6200;
  --r: 3px;
  --serif: "Fraunces", "Songti SC", "Noto Serif SC", "SimSun", Georgia, serif;
  --sans: "Instrument Sans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151410; --panel: #1b1a14; --ink: #efeadd; --ink-2: #b8b09b; --ink-3: #7d7663;
    --rule: #2e2b21; --rule-2: #413d2f; --accent: #ee6a47; --accent-ink: #1a1007; --ok: #7fbf8c; --warn: #e0a64a;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--ink); text-underline-offset: 3px; text-decoration-color: var(--rule-2); }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent); color: var(--accent-ink); }
b { font-weight: 600; }
[hidden] { display: none !important; }
html[data-lang="zh"] .en, html[data-lang="en"] .zh { display: none !important; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* masthead */
.mast { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 10; }
.mast-in { max-width: 1040px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 12px; }
.mast-r { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; font: 600 22px/1 var(--serif); letter-spacing: -0.02em; color: var(--ink); text-decoration: none; white-space: nowrap; }
.wordmark i { font-style: normal; color: var(--accent); }
.mast-link { color: var(--ink-2); }
.lang { color: var(--rule-2); white-space: nowrap; }
.lang button { border: 0; background: none; padding: 4px 2px; color: var(--ink-3); cursor: pointer; font: inherit; }
.lang button[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.lang span { margin: 0 6px; }
.mast-out { border: 1px solid var(--rule-2); background: none; color: var(--ink); border-radius: var(--r); padding: 5px 12px; font: inherit; cursor: pointer; white-space: nowrap; }
@media (max-width: 420px) { .wordmark { font-size: 19px; gap: 7px; } .wordmark svg { width: 24px; height: 24px; } .mast-in { padding: 0 14px; } .mast-out { padding: 4px 9px; font-size: 13px; } }
.mast-out:hover { border-color: var(--ink); }
@media (max-width: 560px) { .mast-link { display: none; } .mast-r { gap: 10px; } }

.page { max-width: 1040px; margin: 0 auto; padding: 44px 20px 72px; width: 100%; flex: 1 0 auto; }
.eyebrow { color: var(--ink-3); font-size: 14px; margin: 0 0 10px; }
h1 { font: 500 clamp(28px, 5vw, 44px)/1.15 var(--serif); letter-spacing: -0.02em; margin: 0; }
h1 em { font-style: italic; color: var(--accent); }
html[data-lang="zh"] h1 { letter-spacing: 0; line-height: 1.3; }
html[data-lang="zh"] h1 em { font-style: normal; }
h2 { font: 500 22px/1.25 var(--serif); letter-spacing: -0.01em; margin: 0 0 14px; }
html[data-lang="zh"] h2 { letter-spacing: 0; }
h3 { font: 600 17px/1.35 var(--sans); margin: 0 0 8px; }
p { margin: 0 0 10px; }
.lead { color: var(--ink-2); margin: 14px 0 0; max-width: 58ch; }
.hint { font-size: 14px; color: var(--ink-3); }
.small { font-size: 14px; color: var(--ink-2); display: block; margin-bottom: 6px; }
.mono, code { font-family: var(--mono); }
.plain { margin: 22px 0 0; padding: 0; list-style: none; max-width: 56ch; }
.plain li { padding: 12px 0; border-top: 1px solid var(--rule); color: var(--ink-2); }
.plain li:last-child { border-bottom: 1px solid var(--rule); }
.plain b { color: var(--ink); }

/* buttons and fields */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--ink); background: transparent; color: var(--ink); border-radius: var(--r); padding: 10px 18px; font: 500 15px/1.2 var(--sans); cursor: pointer; text-decoration: none; transition: background .15s, color .15s, border-color .15s; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.solid { background: var(--ink); color: var(--paper); }
.btn.solid:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { border-color: var(--accent); color: var(--accent); }
.btn.danger:hover { background: var(--accent); color: var(--accent-ink); }
.btn.wide { width: 100%; }
.btn[disabled] { opacity: .55; cursor: progress; }
.btn small { font-weight: 400; opacity: .75; }

label { display: block; font-size: 14px; color: var(--ink-2); margin: 16px 0 6px; }
input[type="text"], input[type="email"], input[type="password"] { width: 100%; padding: 11px 12px; border: 1px solid var(--rule-2); background: var(--panel); color: var(--ink); border-radius: var(--r); font: 16px/1.3 var(--sans); }
input:focus { border-color: var(--ink); outline: 2px solid var(--accent); outline-offset: 0; }
input.mono { font: 14px/1.3 var(--mono); }
.pw { position: relative; }
.pw input { padding-right: 62px; }
.eye { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--ink-3); font: 13px var(--sans); padding: 8px; cursor: pointer; }
.eye:hover { color: var(--ink); }
.err { color: var(--accent); font-size: 14px; margin: 12px 0 0; }
.err:empty { display: none; }

/* signed out */
.login { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: start; padding-top: 64px; }
.signin { background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; padding: 28px 28px 24px; }
.signin h2 { margin-bottom: 4px; }
.signin form .btn { margin-top: 22px; }
.signin .hint { margin: 16px 0 0; }
@media (max-width: 820px) { .login { grid-template-columns: 1fr; gap: 36px; padding-top: 32px; } }

/* signed in */
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--rule-2); border-radius: 99px; padding: 5px 14px 5px 10px; font-size: 14px; font-weight: 500; white-space: nowrap; }
.pill::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--ink-3); }
.pill[data-s="active"] { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.pill[data-s="active"]::before { background: var(--ok); }
.pill[data-s="soon"] { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.pill[data-s="soon"]::before { background: var(--warn); }
.pill[data-s="bad"] { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.pill[data-s="bad"]::before { background: var(--accent); }

.banner { margin-top: 22px; padding: 14px 16px; border: 1px solid var(--accent); border-left-width: 4px; border-radius: var(--r); background: var(--panel); }
.banner.warn { border-color: var(--warn); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; border-top: 1px solid var(--ink); }
.stat { padding: 20px 24px 22px 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--rule); }
.stat .k { font-size: 14px; color: var(--ink-3); margin: 0 0 6px; }
.stat .v { font: 500 clamp(30px, 4.4vw, 44px)/1.1 var(--serif); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; margin: 0; }
.stat .v small { font: 400 16px var(--sans); color: var(--ink-3); letter-spacing: 0; margin-left: 4px; }
.stat .s { font-size: 14px; color: var(--ink-2); margin: 8px 0 0; }
.meter { height: 6px; background: var(--rule); border-radius: 3px; overflow: hidden; margin-top: 12px; }
.meter i { display: block; height: 100%; background: var(--ink); border-radius: 3px; transition: width .5s ease; }
.meter i.hot { background: var(--accent); }
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr; }
  .stat, .stat + .stat { padding: 18px 0; border-left: 0; }
  .stat + .stat { border-top: 1px solid var(--rule); }
}

.block { margin-top: 56px; }
.connect-grid { display: grid; grid-template-columns: 1fr 200px; gap: 36px; margin-top: 22px; align-items: start; }
.copyrow { display: flex; gap: 10px; }
.copyrow input { min-width: 0; }
.copyrow .btn { white-space: nowrap; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.qrbox { text-align: center; }
.qr { background: #fff; padding: 10px; border: 1px solid var(--rule-2); border-radius: 6px; display: inline-block; line-height: 0; }
.qr svg { width: 160px; height: 160px; display: block; }
.qrbox .hint { margin-top: 8px; }
@media (max-width: 720px) { .connect-grid { grid-template-columns: 1fr; } .qrbox { text-align: left; } .copyrow { flex-direction: column; } }

.more { margin-top: 18px; border-top: 1px solid var(--rule); padding-top: 12px; }
.more summary { cursor: pointer; color: var(--ink-2); font-size: 15px; }
.more summary:hover { color: var(--accent); }
.more[open] summary { margin-bottom: 10px; }
.more .btn { margin-top: 6px; }
.more form .btn { margin-top: 18px; }

.tabs { display: flex; gap: 26px; border-bottom: 1px solid var(--rule); margin: 6px 0 22px; flex-wrap: wrap; }
.tabs button { border: 0; background: none; padding: 12px 0 10px; color: var(--ink-3); font: 500 16px/1 var(--sans); border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.app-pane .row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.app-pane .row:first-child { border-top: 1px solid var(--rule); }
.app-pane .name { font-weight: 600; }
.app-pane .meta { color: var(--ink-3); font-size: 14px; }
.app-pane .btns { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.app-pane .alt { font-size: 14px; color: var(--ink-3); }
.app-pane .steps { margin: 16px 0 0; }

.two { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; }
@media (max-width: 820px) { .two { grid-template-columns: 1fr; gap: 44px; } }
.bars { display: flex; height: 190px; }
.bar { flex: 1; display: flex; flex-direction: column; min-width: 0; padding: 0 8px; }
.bar .col { flex: 1; position: relative; }
.bar i { position: absolute; left: 50%; bottom: 0; width: 100%; max-width: 54px; transform: translateX(-50%); background: var(--ink); border-radius: 2px 2px 0 0; min-height: 2px; transition: height .5s ease; }
.bar.now i { background: var(--accent); }
.bar em { position: absolute; left: 0; right: 0; text-align: center; font: normal 12px var(--mono); color: var(--ink-2); white-space: nowrap; }
.bar span { border-top: 1px solid var(--ink); padding-top: 6px; text-align: center; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bars.empty { height: auto; border-bottom: 1px solid var(--rule); padding: 18px 0; }
.bars.empty .hint { margin: 0; }
.bars + .hint { margin-top: 14px; }
.bars.empty + .hint { margin-top: 12px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0; }
.kv dt { color: var(--ink-3); font-size: 14px; }
.kv dd { margin: 0; word-break: break-all; font-size: 14px; }

.foot { border-top: 1px solid var(--rule); color: var(--ink-3); font-size: 14px; }
.foot-in { max-width: 1040px; margin: 0 auto; padding: 18px 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

dialog { border: 1px solid var(--rule-2); border-radius: 6px; background: var(--paper); color: var(--ink); padding: 24px; max-width: 420px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }
.dlg-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: var(--r); font-size: 15px; z-index: 30; max-width: calc(100% - 32px); }

.skel { background: linear-gradient(90deg, var(--rule) 0%, var(--panel) 50%, var(--rule) 100%); background-size: 200% 100%; animation: sk 1.4s linear infinite; border-radius: var(--r); color: transparent !important; }
@keyframes sk { to { background-position: -200% 0; } }