/* 面板样式: 手机优先 (一栏, 点按目标 ≥ 44px), 随系统深浅色。状态不只靠颜色, 每个状态都有文字。 */
:root {
  color-scheme: light dark;
  --bg: #f4f5f7; --card: #fff; --ink: #1b1f24; --muted: #5b6672; --line: #d5dae0; --accent: #1f5fbf;
  --bad: #b42318; --bad-bg: #fdecea; --warn: #7a4e00; --warn-bg: #fff3d1; --ok: #14573a; --ok-bg: #e4f3ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101317; --card: #181d23; --ink: #e8ecf0; --muted: #9aa5b1; --line: #2c343d; --accent: #78aaff;
    --bad: #ff9a90; --bad-bg: #3b1c1a; --warn: #ffd27a; --warn-bg: #3a2f12; --ok: #86d9a6; --ok-bg: #14301f;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--bg); color: var(--ink); line-height: 1.5;
  font: 16px/1.5 system-ui, -apple-system, "PingFang SC", "Noto Sans CJK SC", "WenQuanYi Zen Hei", sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
main { max-width: 40rem; margin: 0 auto; padding: 12px 16px 48px; }
h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 0; word-break: break-all; }
h4 { font-size: .9rem; margin: 12px 0 4px; color: var(--muted); }
p { margin: 4px 0; }
.muted, .note { color: var(--muted); font-size: .9rem; }
code, pre { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Noto Sans Mono CJK SC", monospace; }
code { word-break: break-all; }

section, article, form, dialog { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
section, form { margin: 12px 0; }
article { margin: 8px 0; }
section:empty { display: none; }                  /* 第一份快照到之前各块是空的, 不画空框 */
#banners, #ai, #smoke, #foot, section.none { background: none; border: 0; padding: 0; }
section.none { margin: 4px 0; }

button, input {
  font: inherit; color: inherit; min-height: 44px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--card);
}
button { cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { border-color: var(--bad); color: var(--bad); }
button.quiet { border-color: transparent; background: none; color: var(--accent); padding: 8px; }
button:disabled { opacity: .45; cursor: not-allowed; }
button:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.busy button, .busy [role=group] { pointer-events: none; opacity: .6; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.row > button { flex: 1 1 8rem; }

/* 登录 */
#login form { display: grid; gap: 12px; }
#login label { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }
#login input { color: var(--ink); width: 100%; }
#login-error { color: var(--bad); min-height: 1.5em; margin: 0; }

/* 首页顶栏: 滚到哪都在, 上面的小标签说有几条 critical、实时连接是否正常 */
.top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; background: var(--bg); padding: 8px 0; }
.top h1 { flex: 1 1 auto; }
.chip { font-size: .8rem; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.chip[data-state=open] { color: var(--ok); border-color: var(--ok); }
.chip[data-state=reconnecting], .chip[data-state=closed], .chip[data-state=unknown] { color: var(--warn); border-color: var(--warn); background: var(--warn-bg); }
.chip[data-state=critical] { color: var(--bad); border-color: var(--bad); background: var(--bad-bg); font-weight: 700; }
#stale { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn); border-radius: 8px; padding: 8px 12px; }
.stale section, .stale article { opacity: .6; }

/* 操作结果: 钉在屏幕底部 (点按的地方可能在页面中间, 结果不能出现在看不到的页面顶端), 关掉才消失 */
#notice {
  position: fixed; z-index: 3; left: 0; right: 0; bottom: 0; max-width: 40rem; margin: 0 auto; max-height: 45vh; overflow: auto;
  border: 2px solid var(--line); border-bottom: 0; border-radius: 12px 12px 0 0; padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
  background: var(--card); box-shadow: 0 -4px 16px rgba(0, 0, 0, .25);
}
.noticed main { padding-bottom: 50vh; }
#notice[data-tone=ok] { border-color: var(--ok); background: var(--ok-bg); }
#notice[data-tone=warn] { border-color: var(--warn); background: var(--warn-bg); }
#notice[data-tone=bad] { border-color: var(--bad); background: var(--bad-bg); }
#notice .line { font-size: .95rem; word-break: break-word; }

/* critical 横幅: 在页面最上面, 有几条画几条 */
.banner { background: var(--bad-bg); color: var(--bad); border: 2px solid var(--bad); border-radius: 8px; padding: 6px 12px; margin: 8px 0; font-size: .95rem; font-weight: 600; word-break: break-word; }
.banner[data-state=unknown] { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }
.banner time { font-weight: 400; font-size: .85rem; white-space: nowrap; }

/* 盘前冒烟: 一行字; 失败是红框 (和 critical 横幅一样醒目), 没跑 / 读不到是黄色, 都不冒充通过 */
.smoke[data-state=pass] strong { color: var(--ok); }
.smoke[data-state=not_run] strong, .smoke[data-state=unreadable] strong { color: var(--warn); }
.smoke[data-state=fail] { background: var(--bad-bg); color: var(--bad); border: 2px solid var(--bad); border-radius: 8px; padding: 6px 12px; font-weight: 600; word-break: break-word; }

/* 总开关 */
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.segmented button { display: grid; gap: 0; min-height: 56px; justify-items: center; align-content: center; }
.segmented button small { color: var(--muted); font-size: .75rem; }
.segmented button[aria-pressed=true] { background: var(--accent); border-color: var(--accent); color: #fff; }
.segmented button[aria-pressed=true] small { color: inherit; }

/* 事实列表 */
.facts { margin: 8px 0 0; display: grid; gap: 4px; }
.fact { display: grid; grid-template-columns: 5.5rem 1fr; gap: 8px; }
.fact dt { color: var(--muted); }
.fact dd { margin: 0; word-break: break-word; }
dd[data-state=none], dd[data-state=missing] { color: var(--bad); font-weight: 600; }
dd[data-state=unknown], p[data-state=unknown], span[data-state=unknown] { color: var(--warn); font-weight: 600; }
dd[data-state=yes], dd[data-state=confirmed] { color: var(--ok); font-weight: 600; }
dd[data-state=no] { font-weight: 600; }
.reasons { margin: 2px 0 0; padding-left: 1.1rem; font-weight: 400; color: var(--muted); font-size: .9rem; }

/* 仓卡 */
.card header { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card header span { color: var(--muted); white-space: nowrap; }
pre { margin: 4px 0; padding: 8px; background: var(--bg); border-radius: 6px; font-size: .8rem; line-height: 1.4; white-space: pre-wrap; overflow-wrap: anywhere; }
.card section.plan { background: none; border: 0; padding: 0; margin: 8px 0 0; }
.card > button, .interlock > button { margin-top: 8px; width: 100%; }

/* 确认框 */
dialog { width: min(32rem, calc(100vw - 24px)); margin: auto; color: var(--ink); }
dialog::backdrop { background: rgba(0, 0, 0, .55); }
.checklist { list-style: none; margin: 8px 0; padding: 0; display: grid; gap: 8px; }
.checklist label { display: flex; gap: 10px; align-items: flex-start; padding: 8px; border: 1px solid var(--bad); border-radius: 8px; }
.checklist input { min-height: 0; width: 1.4rem; height: 1.4rem; flex: none; }