/* car.aijunjz.com 远程控车面板 v1.1 — calm admin(zinc 灰阶+近黑主按钮+8px 圆角) */
:root {
  --bg: #fafafa; --card: #ffffff; --muted: #f4f4f5;
  --fg: #09090b; --fg-2: #52525b; --fg-3: #a1a1aa;
  --border: #e4e4e7; --border-strong: #d4d4d8;
  --ok: #15803d; --ok-bg: #f0fdf4; --ok-border: #bbf7d0;
  --danger: #dc2626; --danger-bg: #fef2f2; --danger-border: #fecaca;
  --radius: 8px; --radius-sm: 6px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg); color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 15px; line-height: 1.5; min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.dim { color: var(--fg-2); }
.mono { font-family: var(--mono); font-size: 13px; }
.break { word-break: break-all; }

/* ---- 登录门 / 邀请开户 ---- */
.gate { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.gate-card {
  width: 340px; max-width: 100%; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; text-align: center;
}
.gate-card h1 { font-size: 20px; margin-bottom: 2px; }
.gate-card .dim { font-size: 13px; margin-bottom: 20px; }
.gate-card input {
  width: 100%; padding: 10px 12px; margin-bottom: 12px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-size: 16px; background: #fff;
}
.err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 10px; }

/* ---- 顶栏 ---- */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: rgba(250,250,250,.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.title-wrap { display: flex; align-items: center; gap: 8px; }
.title-wrap h1 { font-size: 17px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }
.dot.off { background: var(--fg-3); }
.who { font-size: 13px; }

main { max-width: 480px; margin: 0 auto; padding: 14px 14px 76px; }

.offline {
  max-width: 480px; margin: 10px auto -4px; padding: 7px 14px;
  background: var(--danger-bg); color: var(--danger);
  border: 1px solid var(--danger-border); border-radius: var(--radius);
  font-size: 13px; text-align: center;
}

/* ---- 卡片 ---- */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px; margin-top: 14px;
}
.card h2 { font-size: 13px; color: var(--fg-2); font-weight: 600; margin-bottom: 8px; }
.rows { list-style: none; }
.rows li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 7px 2px; border-bottom: 1px solid var(--border); font-size: 14px;
}
.rows li:last-child { border-bottom: none; }
.rows .k { color: var(--fg-2); flex: none; }
.rows .v { text-align: right; word-break: break-all; }
.events li { padding: 8px 2px; }
.events .e-time { color: var(--fg-3); font-size: 12px; font-family: var(--mono); flex: none; }
.events .e-alarm { color: var(--danger); font-weight: 600; }
.empty { color: var(--fg-3); justify-content: center; }

/* ---- 信号条 ---- */
.sig-wrap { display: inline-flex; align-items: flex-end; gap: 8px; }
.sig { display: inline-flex; align-items: flex-end; gap: 2px; margin-right: 2px; }
.sig i { width: 4px; border-radius: 1px; background: var(--border-strong); display: inline-block; }
.sig i:nth-child(1) { height: 5px; }
.sig i:nth-child(2) { height: 8px; }
.sig i:nth-child(3) { height: 11px; }
.sig i:nth-child(4) { height: 14px; }
.sig.lv1 i:nth-child(1), .sig.lv2 i:nth-child(-n+2),
.sig.lv3 i:nth-child(-n+3), .sig.lv4 i { background: var(--fg); }
.sig.lv0 i { background: var(--danger-border); }

/* ---- 操作按钮 ---- */
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.btn {
  border: 1px solid var(--border-strong); background: var(--card); color: var(--fg);
  border-radius: var(--radius); font-size: 15px; cursor: pointer;
  padding: 10px 14px; transition: background .12s;
}
.btn.primary { background: var(--fg); color: #fff; border-color: var(--fg); }
.btn.primary:active { background: #27272a; }
.btn.ghost { background: var(--card); }
.btn.ghost:active { background: var(--muted); }
.btn.danger { color: var(--danger); border-color: var(--danger-border); background: var(--danger-bg); }
.btn.big { min-height: 56px; font-size: 17px; font-weight: 600; }
.btn.block { display: block; width: 100%; margin-top: 10px; }
.btn.mini { padding: 4px 10px; font-size: 12px; margin: 0; width: auto; display: inline-block; }
.btn[disabled] { opacity: .45; cursor: default; }
.btn.pending { background: var(--muted); color: var(--fg-2); border-color: var(--border); }

/* ---- 消息 ---- */
.msgs li { flex-direction: column; align-items: stretch; gap: 2px; }
.msgs .m-head { display: flex; justify-content: space-between; gap: 8px; }
.msgs .m-from { font-weight: 600; font-size: 14px; }
.msgs .m-time { color: var(--fg-3); font-size: 12px; font-family: var(--mono); }
.msgs .m-body { color: var(--fg-2); font-size: 14px; white-space: pre-wrap; word-break: break-all; }
.msgs .m-call .m-from { color: var(--danger); }

/* ---- 表单 / 权限 ---- */
.stack { display: grid; gap: 10px; margin-top: 10px; }
.stack input[type=text], .stack input[type=password], .stack input[type=number] {
  padding: 10px 12px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); font-size: 16px; width: 100%;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.two-col label { font-size: 12px; color: var(--fg-2); display: grid; gap: 4px; }
.perm-row { display: flex; flex-wrap: wrap; gap: 8px; }
.perm-row label {
  display: inline-flex; align-items: center; gap: 5px; font-size: 13px;
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px;
  cursor: pointer; user-select: none;
}
.perm-row input { accent-color: var(--fg); margin: 0; }
.user-row { flex-direction: column; align-items: stretch; gap: 6px !important; }
.user-line { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.user-name { font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11px; color: var(--fg-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 1px 8px;
}
.chip.off { color: var(--danger); border-color: var(--danger-border); }
.invite-result { margin-top: 12px; background: var(--muted); border-radius: var(--radius-sm); padding: 10px 12px; }
.hint { color: var(--fg-3); font-size: 12px; margin: 12px 0 2px; }
.foot { color: var(--fg-3); font-size: 12px; text-align: center; margin-top: 18px; }

/* ---- 底部标签栏 ---- */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: center; gap: 8px;
  background: rgba(250,250,250,.95); border-top: 1px solid var(--border);
  backdrop-filter: blur(6px);
  padding: 6px 12px calc(6px + env(safe-area-inset-bottom));
}
.tab {
  flex: 0 1 140px; border: none; background: none; color: var(--fg-2);
  font-size: 14px; padding: 8px 0; border-radius: var(--radius-sm); cursor: pointer;
}
.tab.active { color: var(--fg); font-weight: 600; background: var(--muted); }

/* ---- Toast ---- */
.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%);
  max-width: 86vw; padding: 10px 16px; border-radius: var(--radius);
  background: var(--fg); color: #fff; font-size: 14px; z-index: 20;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
}
.toast.warn { background: var(--danger); }