/* 智能开关前端样式：无外部依赖，移动端优先 */
:root {
  --bg: #f2f4f8;
  --card: #ffffff;
  --line: #e4e8f0;
  --text: #1c2333;
  --muted: #7a8499;
  --accent: #2f6bff;
  --accent-dark: #1e4fd6;
  --ok: #18a058;
  --ok-bg: #e6f7ee;
  --bad: #98a1b3;
  --bad-bg: #eef0f4;
  --danger: #d64545;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .logo { font-size: 18px; font-weight: 700; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--muted); font-size: 14px; }

/* ---------- 通用 ---------- */
.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  background: none;
  font-family: inherit;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.primary:disabled { background: var(--bad); cursor: not-allowed; }
.btn.ghost { border-color: var(--line); color: var(--muted); background: var(--card); }
.btn.ghost:hover { color: var(--text); }
.btn.link { color: var(--danger); padding: 4px 8px; }
.btn.block { width: 100%; margin-top: 6px; }

.alert {
  background: #fdecec;
  color: #b03636;
  border: 1px solid #f5c6c6;
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  margin: 0 0 12px;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 24px 20px 60px; }

/* ---------- 登录/注册 ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 6px 24px rgba(28, 35, 51, .06);
}
.auth-card h1 { margin: 0 0 4px; font-size: 24px; text-align: center; }
.auth-card .sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; text-align: center; }
.auth-card label, dialog label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}
.auth-card input, dialog input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fbfcfe;
}
.auth-card input:focus, dialog input:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
.auth-card .alt { text-align: center; font-size: 13px; color: var(--muted); margin-top: 16px; }
.auth-card a { color: var(--accent); text-decoration: none; }

/* ---------- 面板 ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.toolbar h2 { font-size: 18px; margin: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.empty { color: var(--muted); text-align: center; margin-top: 80px; font-size: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card-head { display: flex; align-items: center; gap: 8px; }
.card-head .alias { font-size: 16px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
}
.badge.on  { color: var(--ok);  background: var(--ok-bg); }
.badge.off { color: var(--bad); background: var(--bad-bg); }
.dev-id { font-size: 12px; color: var(--muted); }

.switch-row { display: flex; align-items: center; gap: 14px; padding: 6px 0; }
.state-text { font-size: 15px; font-weight: 600; }
.state-text.on { color: var(--ok); }

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.last-seen { font-size: 12px; color: var(--muted); }

/* ---------- 拨动开关 ---------- */
.switch { position: relative; display: inline-block; width: 58px; height: 32px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  inset: 0;
  background: #cdd4e0;
  border-radius: 999px;
  transition: background .2s;
  cursor: pointer;
}
.slider::before {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}
.switch input:checked + .slider { background: var(--ok); }
.switch input:checked + .slider::before { transform: translateX(26px); }
.switch input:disabled + .slider { opacity: .45; cursor: not-allowed; }

/* ---------- 弹窗 ---------- */
dialog {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  width: min(92vw, 400px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .18);
}
dialog::backdrop { background: rgba(28, 35, 51, .45); }
dialog h3 { margin: 0 0 4px; }
.dialog-hint { font-size: 12px; color: var(--muted); margin: 0 0 16px; }
dialog .row { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }