:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel2: #263349;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --danger: #ef4444;
  --ok: #22c55e;
  --border: #334155;
}

/* 亮色主题（body.light 时覆盖） */
body.light {
  --bg: #f1f5f9;
  --panel: #ffffff;
  --panel2: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --accent: #0284c7;
  --danger: #dc2626;
  --ok: #16a34a;
  --border: #cbd5e1;
}
body.light button.primary { color: #fff; }
body.light button.ok { color: #fff; }
body.light .tab.active { color: #fff; }
body.light tbody tr:hover { background: rgba(2, 132, 199, .06); }
body.light .modal { background: rgba(30, 41, 59, .5); }
body.light .toast { box-shadow: 0 8px 30px rgba(0, 0, 0, .18); }

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}

/* ---------- 左右布局：左侧边栏 + 右侧内容区 ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px; flex-shrink: 0; background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.sidebar header {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  padding: 16px 16px 12px; border-bottom: 1px solid var(--border);
}
.sidebar header h1 { font-size: 18px; font-weight: 600; }
.badge {
  background: var(--panel2); border: 1px solid var(--border); border-radius: 999px;
  padding: 2px 10px; font-size: 12px; color: var(--muted);
}

.tabs {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px; flex: 1; overflow-y: auto;
}
.tab {
  position: relative;
  background: transparent; color: var(--text); border: 1px solid transparent;
  padding: 10px 14px; border-radius: 8px; cursor: pointer; font-size: 14px;
  text-align: left; white-space: nowrap;
  transition: background .15s, color .15s;
}
.tab:hover { background: var(--panel2); }
.tab.active {
  background: var(--accent); color: #0f172a; border-color: var(--accent); font-weight: 600;
}
.tab.active::before {
  content: ''; position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 60%; border-radius: 0 4px 4px 0; background: var(--accent);
}
.count { font-size: 12px; opacity: .8; }

.sidebar-foot {
  display: flex; flex-direction: column; gap: 8px; padding: 12px;
  border-top: 1px solid var(--border);
}
.sidebar-foot button {
  width: 100%; padding: 9px 12px; white-space: nowrap;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}

main { flex: 1; padding: 20px 24px; min-width: 0; overflow-x: hidden; }
.view { display: none; }
.view.active { display: block; }

.toolbar { display: flex; align-items: center; gap: 10px; margin: 16px 0; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.status { color: var(--muted); font-size: 13px; }

button {
  border: none; border-radius: 8px; padding: 8px 16px; font-size: 14px; cursor: pointer;
  color: #fff; background: var(--panel2); border: 1px solid var(--border);
  transition: background .15s, border-color .15s, transform .1s, opacity .15s;
}
button:disabled { opacity: .4; cursor: not-allowed; transform: none; }
button:not(:disabled):hover { filter: brightness(1.1); }
button:not(:disabled):active { transform: scale(.97); }
button.primary { background: var(--accent); color: #0f172a; border-color: var(--accent); font-weight: 600; }
button.danger { background: var(--danger); border-color: var(--danger); }
button.ok { background: var(--ok); border-color: var(--ok); color: #0f172a; }
button.plain { background: var(--panel2); }

select {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 14px;
}
input[type="text"], input[type="password"], input[type="number"] { transition: border-color .15s; }
input[type="text"]:focus, input[type="password"]:focus, input[type="number"]:focus,
select:focus { outline: none; border-color: var(--accent); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; text-align: center;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.stat:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .25);
}
.stat b { display: block; font-size: 26px; color: var(--accent); }
.stat span { font-size: 12px; color: var(--muted); }

h2 { font-size: 15px; margin: 20px 0 10px; }
.hint { color: var(--muted); font-weight: normal; font-size: 12px; }

.table-wrap {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  overflow-x: auto; margin-bottom: 10px;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; background: var(--panel2); white-space: nowrap; position: sticky; top: 0; z-index: 1; }
tbody tr:hover { background: rgba(56, 189, 248, .05); }
tbody tr:nth-child(even) { background: rgba(148, 163, 184, .04); }
tbody tr:nth-child(even):hover { background: rgba(56, 189, 248, .07); }
.app-name { font-weight: 600; white-space: nowrap; }
.path-list { list-style: none; }
.path-list li { margin: 2px 0; }
.path-list code, td code {
  background: var(--panel2); border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 6px; font-family: "JetBrains Mono", Consolas, monospace; font-size: 12px;
  word-break: break-all;
}
.sz { color: var(--muted); font-size: 12px; }
.risk {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.risk-low { background: rgba(34,197,94,.15); color: #4ade80; }
.risk-med { background: rgba(234,179,8,.15); color: #facc15; }
.risk-high { background: rgba(239,68,68,.18); color: #f87171; }
.empty { padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }

/* ---------- 名词悬停解释 tooltip ---------- */
.tip {
  position: relative;
  border-bottom: 1px dashed var(--accent);
  cursor: help;
  color: var(--accent);
  display: inline-block;
}
#tip-popup {
  position: fixed; z-index: 9999;
  max-width: 300px;
  background: var(--panel2);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px; line-height: 1.5;
  color: var(--text);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .35);
  pointer-events: none;
  opacity: 0;
  transition: opacity .12s;
}
#tip-popup.show { opacity: 1; }
#tip-popup b { display: block; color: var(--accent); margin-bottom: 3px; font-size: 12px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 22px; opacity: 0; transition: all .3s; z-index: 50; max-width: 80vw;
  box-shadow: 0 8px 30px rgba(0,0,0,.4); font-size: 14px;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--danger); }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex;
  align-items: center; justify-content: center; z-index: 100;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px; max-width: 480px; width: 90%;
}
.modal-box h3 { margin-bottom: 12px; }
.modal-box p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ---------- 去重卡片 ---------- */
.dup-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 12px; overflow: hidden;
}
.dup-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; background: var(--panel2); border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.dup-files { width: 100%; }
.dup-files td { padding: 6px 14px; }

/* ---------- 表单区（定时清理 / 通知设置） ---------- */
.schedule-form {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 12px;
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center; font-size: 14px;
}
.schedule-form label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.sched-types { display: flex; gap: 14px; flex-wrap: wrap; width: 100%; margin-top: 6px; }

.notify-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; padding: 12px 14px; }
.notify-field label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 4px; }

/* ---------- VM 操作按钮 ---------- */
.vm-act { padding: 4px 10px; font-size: 12px; margin-right: 4px; }

/* ---------- 自定义滚动条 ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ---------- 移动端自适应（<768px） ---------- */
@media (max-width: 767px) {
  .layout { flex-direction: column; }
  .sidebar {
    width: 100%; height: auto; position: static; flex-direction: row;
    flex-wrap: wrap; align-items: center;
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .sidebar header {
    flex: 1 1 100%; flex-direction: row; align-items: center;
    justify-content: space-between; padding: 10px 12px;
    border-bottom: 1px solid var(--border);
  }
  .sidebar header h1 { font-size: 15px; }
  .tabs {
    flex: 1 1 100%; flex-direction: row; overflow-x: auto;
    padding: 8px 10px; gap: 6px;
  }
  .tab { padding: 7px 12px; font-size: 13px; white-space: nowrap; }
  .sidebar-foot { flex: 1 1 100%; flex-direction: row; padding: 8px 10px; border-top: none; }
  .sidebar-foot button { padding: 7px 8px; font-size: 13px; }
  main { padding: 12px; }
  .toolbar { gap: 8px; margin: 12px 0; }
  .toolbar input, .toolbar select { max-width: 100%; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat { padding: 12px 8px; }
  .stat b { font-size: 20px; }
  .table-wrap { border-radius: 8px; }
  th, td { padding: 8px; font-size: 12px; }
  .path-list code, td code { font-size: 11px; word-break: break-all; }
  .modal-box { padding: 18px; width: 94%; }
  .toast { width: 90%; font-size: 13px; }
  .dup-head { flex-wrap: wrap; }
  .dup-head .dup-select-all { float: none !important; }
  .sched-types { display: flex; flex-wrap: wrap; gap: 6px; }
  .sched-types label { flex: 1 1 45%; }
}