/* ════════════════════════════════════════════════════════════
   KMS 管理页面通用样式 (kms-common.css)
   设计语言与首页 index.html 一致（Design Tokens / 浅色+深色）
   覆盖: 规则管理 rules.html / 云端控制 cloud.html / 文件管理 files.html
   版本: v1.0 — 2026-08-09（此前该文件缺失导致页面样式裸奔）
   ════════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  --bg: #eef1f6; --card: #ffffff; --text: #1e293b;
  --text-secondary: #64748b; --border: #e2e8f0;
  --accent: #2563eb; --accent-hover: #1d4ed8; --accent-soft: rgba(37,99,235,0.08);
  --danger: #dc2626; --danger-soft: rgba(220,38,38,0.08);
  --success: #059669; --success-soft: rgba(5,150,105,0.08);
  --warning: #d97706; --warning-soft: rgba(217,119,6,0.10);
  --shadow: 0 1px 3px rgba(15,23,42,0.06), 0 8px 24px rgba(15,23,42,0.04);
  --radius: 12px; --code-bg: #f8fafc;
  --header-h: 64px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a; --card: #1e293b; --text: #e2e8f0;
    --text-secondary: #94a3b8; --border: #334155;
    --accent: #60a5fa; --accent-hover: #93c5fd; --accent-soft: rgba(96,165,250,0.12);
    --danger: #f87171; --danger-soft: rgba(248,113,113,0.12);
    --success: #34d399; --success-soft: rgba(52,211,153,0.12);
    --warning: #fbbf24; --warning-soft: rgba(251,191,36,0.12);
    --shadow: 0 1px 3px rgba(0,0,0,0.2), 0 8px 24px rgba(0,0,0,0.25);
    --code-bg: #0f172a;
  }
}

/* ── Reset & Base ───────────────────────────────────────── */
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); min-height:100vh; line-height:1.6;
  background-image: radial-gradient(circle at top right, rgba(37,99,235,0.06), transparent 42%);
  padding-bottom: 40px;
}
a { color: var(--accent); text-decoration: none; }

/* ── Topbar ─────────────────────────────────────────────── */
.topbar {
  background: rgba(255,255,255,0.88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 28px; height: var(--header-h);
  display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100;
}
@media (prefers-color-scheme: dark) { .topbar { background: rgba(30,41,59,0.92); } }
.topbar .sep { color: var(--border); }
.topbar .title { font-size: 16px; font-weight: 700; flex: 1; }
.topbar .user-badge {
  font-size: 12px; color: var(--text-secondary);
  background: var(--accent-soft); color: var(--accent);
  padding: 4px 12px; border-radius: 999px; font-weight: 600;
}

/* ── Layout ─────────────────────────────────────────────── */
.main { max-width: 1280px; margin: 24px auto 0; padding: 0 24px; }

/* ── Stats Cards ────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 20px; }
.statcard {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 4px;
  border-top: 3px solid var(--accent);
  transition: transform .15s ease, box-shadow .15s ease;
}
.statcard:hover { transform: translateY(-2px); box-shadow: 0 4px 6px rgba(15,23,42,.08), 0 12px 28px rgba(15,23,42,.08); }
.statcard .num { font-size: 26px; font-weight: 700; color: var(--text); line-height: 1.1; }
.statcard .label { font-size: 12px; color: var(--text-secondary); }
.statcard.wc { border-top-color: #2563eb; }
.statcard.lr { border-top-color: #059669; }
.statcard.ls { border-top-color: #7c3aed; }
.statcard.pa { border-top-color: #d97706; }

/* ── Tabs ───────────────────────────────────────────────── */
.tab-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tab-nav button {
  border: 1px solid var(--border); background: var(--card); color: var(--text-secondary);
  padding: 7px 18px; border-radius: 999px; cursor: pointer; font-size: 13px;
  transition: all .15s ease;
}
.tab-nav button:hover { border-color: var(--accent); color: var(--accent); }
.tab-nav button.active {
  background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600;
}

/* ── Card ───────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px 24px;
}
.card-hd { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.card-hd h2 { font-size: 16px; font-weight: 700; }

/* ── Toolbar ────────────────────────────────────────────── */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.toolbar input[type="text"], .toolbar select {
  padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; background: var(--card); color: var(--text); outline: none;
}
.toolbar input[type="text"] { flex: 1; min-width: 180px; max-width: 320px; }
.toolbar input:focus, .toolbar select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ── Table ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table-wrap th {
  text-align: left; padding: 10px 12px; background: var(--code-bg);
  border-bottom: 2px solid var(--border); color: var(--text-secondary);
  font-weight: 600; font-size: 12px; white-space: nowrap;
}
.table-wrap td {
  padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle;
  word-break: break-all;
}
.table-wrap tbody tr { transition: background .12s ease; }
.table-wrap tbody tr:hover { background: var(--accent-soft); }
.table-wrap tbody tr:last-child td { border-bottom: none; }
.table-wrap tr.disabled-row td { opacity: .55; }
.table-wrap .actions { display: flex; gap: 6px; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  border: 1px solid transparent; border-radius: 8px; cursor: pointer;
  font-size: 13px; padding: 7px 16px; transition: all .15s ease; white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; border-radius: 6px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

/* ── Tags ───────────────────────────────────────────────── */
.tag {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.tag.wc { background: rgba(37,99,235,.12); color: #2563eb; }
.tag.lr { background: rgba(5,150,105,.12); color: #059669; }
.tag.ls { background: rgba(124,58,237,.12); color: #7c3aed; }
.tag.pa { background: rgba(217,119,6,.12); color: #d97706; }
.tag.active { background: var(--success-soft); color: var(--success); }
.tag.inactive { background: var(--danger-soft); color: var(--danger); }
.tag.neutral { background: var(--code-bg); color: var(--text-secondary); }
@media (prefers-color-scheme: dark) {
  .tag.wc { background: rgba(96,165,250,.18); color: #93c5fd; }
  .tag.lr { background: rgba(52,211,153,.18); color: #6ee7b7; }
  .tag.ls { background: rgba(167,139,250,.18); color: #c4b5fd; }
  .tag.pa { background: rgba(251,191,36,.18); color: #fcd34d; }
}

/* ── Empty & Pagination ─────────────────────────────────── */
.empty { text-align: center; padding: 48px 0; color: var(--text-secondary); }
.empty .icon { font-size: 40px; margin-bottom: 8px; }
.pagination { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 14px; }
.pagination button {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: 5px 14px; border-radius: 8px; cursor: pointer; font-size: 12px;
}
.pagination button:disabled { opacity: .45; cursor: not-allowed; }
.pagination button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.pagination .page-info { font-size: 12px; color: var(--text-secondary); }

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(15,23,42,.55);
  z-index: 200; justify-content: center; align-items: center; padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--card); border-radius: 16px; padding: 24px 26px;
  width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal h3 { font-size: 17px; margin-bottom: 4px; }
.modal .sub { font-size: 12px; color: var(--text-secondary); margin-bottom: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ── Form ───────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-group input[type="text"], .form-group input[type="number"], .form-group select, .form-group textarea {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; background: var(--card); color: var(--text); outline: none; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-group textarea { min-height: 90px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 120px; gap: 12px; }
.form-error { color: var(--danger); font-size: 12px; margin-bottom: 10px; display: none; }

/* ── Confirm Modal ──────────────────────────────────────── */
.confirm-content { text-align: center; padding: 10px 0 6px; }
.confirm-content .warn-icon { font-size: 40px; margin-bottom: 10px; }
.confirm-content h4 { font-size: 16px; margin-bottom: 6px; }
.confirm-content p { font-size: 13px; color: var(--text-secondary); }

/* ── Toast ──────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #1e293b; color: #fff; padding: 10px 22px; border-radius: 999px;
  font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.25); z-index: 300;
  opacity: 0; pointer-events: none; transition: all .25s ease; max-width: 80vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }