:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #d8dde5;
  /* 表单控件用更深的边框色，浅色/护眼背景下清晰可见 */
  --field-border: #8d99a8;
  --primary: #2563eb;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 18px; margin: 0; }
header .muted { flex: 1; }

.muted { color: var(--muted); }
.error { color: var(--danger); }
.warn { color: #b45309; }

.tabs { display: flex; gap: 4px; padding: 12px 24px 0; }
.tab {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  background: #e9edf3;
  cursor: pointer;
}
.tab.active { background: var(--card); font-weight: 600; }

.tab-panel {
  display: none;
  margin: 0 24px 24px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0 6px 6px 6px;
}
.tab-panel.active { display: block; }

.toolbar { display: flex; gap: 8px; margin-bottom: 12px; align-items: center; }
.toolbar input, .toolbar select {
  padding: 6px 10px;
  border: 1.5px solid var(--field-border);
  border-radius: 4px;
  background: var(--card);
}

.field-row { display: flex; gap: 12px; }
.field-row label { flex: 1; }
.sub-title { margin: 20px 0 8px; }

table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  word-break: break-all;
}
th { background: #f0f3f7; font-weight: 600; }

button {
  padding: 6px 14px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }

dialog {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  min-width: 360px;
  max-width: 560px;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.35); }
dialog form label { display: block; margin: 10px 0; }
dialog form label input, dialog form label textarea, dialog form label select {
  width: 100%;
  margin-top: 4px;
  padding: 6px 10px;
  border: 1.5px solid var(--field-border);
  border-radius: 4px;
  background: var(--card);
  color: var(--text);
  font-family: inherit;
}
dialog form label input:focus, dialog form label textarea:focus, dialog form label select:focus,
.toolbar input:focus, .toolbar select:focus, .login-card input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}
.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
  font-size: 13px;
}
.secret-mask { letter-spacing: 2px; }
label.checkbox { display: flex; align-items: center; gap: 8px; }
label.checkbox input { width: auto; }
fieldset { margin: 12px 0; border: 1px solid var(--border); border-radius: 6px; }
.cred-check-list {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cred-check-list label { display: flex; gap: 8px; align-items: center; margin: 0; }
.cred-check-list input { width: auto; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

.token-value {
  display: block;
  padding: 10px;
  background: #f0f3f7;
  border: 1px dashed var(--border);
  border-radius: 4px;
  word-break: break-all;
  user-select: all;
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  width: 340px;
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card input {
  width: 100%;
  margin: 8px 0;
  padding: 8px 10px;
  border: 1.5px solid var(--field-border);
  border-radius: 4px;
  background: var(--card);
}
.login-card button { width: 100%; padding: 9px; margin-top: 8px; }