:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #1a1d21;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --ok-bg: #ecfdf5;
  --ok-text: #065f46;
  --ok-border: #a7f3d0;
  --err-bg: #fef2f2;
  --err-text: #991b1b;
  --err-border: #fecaca;
  --warn-bg: #fffbeb;
  --warn-text: #92400e;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --border: #2a3038;
    --text: #e6e9ee;
    --muted: #98a2b3;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --ok-bg: #0d2b22;
    --ok-text: #6ee7b7;
    --ok-border: #14503f;
    --err-bg: #2b1214;
    --err-text: #fca5a5;
    --err-border: #5b1d20;
    --warn-bg: #2b2210;
    --warn-text: #fcd34d;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC",
        "Hiragino Sans GB", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono, code, .sha {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .88em;
}

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { font-weight: 600; color: var(--text); font-size: 16px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav a {
  padding: 6px 12px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 14px;
}
.nav a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--bg); color: var(--text); font-weight: 500; }
.user-box { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.user-name { color: var(--text); font-size: 14px; display: flex; align-items: center; gap: 6px; }

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }
.footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 32px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-head h1 { font-size: 22px; margin: 0; font-weight: 600; }
.page-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.card-title { font-size: 15px; margin: 0 0 14px; font-weight: 600; }
.empty { text-align: center; color: var(--muted); padding: 40px 20px; }

/* ---------- 提示条 ---------- */
.flash {
  padding: 11px 15px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 14px;
  border: 1px solid transparent;
}
.flash.ok { background: var(--ok-bg); color: var(--ok-text); border-color: var(--ok-border); }
.flash.err { background: var(--err-bg); color: var(--err-text); border-color: var(--err-border); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 500; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { color: var(--danger); border-color: var(--border); }
.btn-danger:hover { background: var(--err-bg); border-color: var(--danger); color: var(--danger-hover); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-xs { padding: 4px 9px; font-size: 12px; }
.btn-block { width: 100%; padding: 10px; }
.inline { display: inline; }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  vertical-align: middle;
  line-height: 1.5;
}
.badge.admin { background: var(--primary); color: #fff; border-color: var(--primary); }
.badge.version { background: var(--bg); color: var(--text); }
.badge.ok { background: var(--ok-bg); color: var(--ok-text); border-color: var(--ok-border); }
.badge.warn { background: var(--warn-bg); color: var(--warn-text); border-color: transparent; }

/* ---------- 表单 ---------- */
.stack { display: flex; flex-direction: column; gap: 15px; }
.stack label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.stack label > span:first-child { font-weight: 500; }
.req { color: var(--danger); font-style: normal; }
input[type=text], input[type=password], input[type=search], input[type=file], textarea {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  width: 100%;
}
input:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
  background: var(--surface);
}
textarea { resize: vertical; }
.checkline { flex-direction: row !important; align-items: center; gap: 8px !important; }
.checkline input { width: auto; }
.checkline span { font-weight: 400 !important; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; align-items: end; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.form-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.form-msg { font-size: 13px; }
.form-msg.err { color: var(--danger); }
.form-msg.ok { color: var(--ok-text); }
.muted { color: var(--muted); font-size: 13px; }
small.muted { font-weight: 400; }
.search { display: flex; gap: 8px; }
.search input { width: 220px; }

/* ---------- 登录页 ---------- */
.login-wrap { display: flex; justify-content: center; padding-top: 6vh; }
.login-card { width: 100%; max-width: 380px; }
.login-title { font-size: 20px; margin: 0 0 4px; font-weight: 600; }
.login-card .muted { margin: 0 0 20px; }

/* ---------- 安装包列表 ---------- */
.pkg-list { display: flex; flex-direction: column; gap: 14px; }
.pkg { display: flex; gap: 24px; align-items: flex-start; margin-bottom: 0; }
.pkg-hidden { opacity: .68; border-style: dashed; }
.pkg-main { flex: 1; min-width: 0; }
.pkg-name { font-size: 16px; margin: 0 0 6px; font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pkg-desc { margin: 0 0 12px; color: var(--muted); font-size: 14px; white-space: pre-wrap; }
.pkg-meta { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0 0 10px; }
.pkg-meta > div { display: flex; gap: 6px; font-size: 13px; min-width: 0; }
.pkg-meta dt { color: var(--muted); margin: 0; white-space: nowrap; }
.pkg-meta dd { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }
.pkg-meta.wide { flex-direction: column; gap: 8px; }
.pkg-meta.wide dt { min-width: 110px; }
.pkg-meta.wide dd { max-width: none; }

.sha-row { display: flex; align-items: center; gap: 8px; font-size: 12px; min-width: 0; }
.sha-label { color: var(--muted); flex-shrink: 0; }
.sha { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pkg-side { display: flex; flex-direction: column; gap: 8px; width: 150px; flex-shrink: 0; }
.pkg-side .btn { width: 100%; }
.admin-ops { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 8px; border-top: 1px solid var(--border); }
.admin-ops .btn { width: auto; flex: 1; }

/* ---------- 进度条 ---------- */
.progress-box { display: flex; flex-direction: column; gap: 6px; }
.progress { height: 7px; background: var(--bg); border-radius: 20px; overflow: hidden; border: 1px solid var(--border); }
.progress-bar { height: 100%; width: 0; background: var(--primary); transition: width .15s linear; }
.progress-text { font-size: 13px; color: var(--muted); }

/* ---------- 表格 ---------- */
.table-scroll { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th, .table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 500; font-size: 12.5px; white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: none; }
.row-muted td { opacity: .55; }
.nowrap { white-space: nowrap; }
.col-ops { white-space: nowrap; }
.col-ops form { margin-right: 4px; }
.ua { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.empty-cell { text-align: center; color: var(--muted); padding: 32px !important; }
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; padding-top: 16px; }

/* ---------- 统计 ---------- */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.stat-num { display: block; font-size: 20px; font-weight: 600; }
.stat-label { display: block; color: var(--muted); font-size: 12.5px; margin-top: 2px; }

.danger-zone { border-color: var(--err-border); }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .topbar-inner { height: auto; padding: 10px 16px; flex-wrap: wrap; gap: 10px; }
  .nav { order: 3; width: 100%; flex: none; }
  .user-box { margin-left: auto; }
  .container { padding: 20px 16px 40px; }
  .pkg { flex-direction: column; gap: 16px; }
  .pkg-side { width: 100%; flex-direction: row; flex-wrap: wrap; }
  .pkg-side .btn { width: auto; flex: 1; }
  .admin-ops { width: 100%; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .search input { width: 100%; }
  .page-actions { width: 100%; }
  .search { flex: 1; }
}