:root {
  --bg: #0a0e13;
  --bg-soft: #0f151d;
  --panel: #131a24;
  --panel-2: #0d131b;
  --border: #1f2a38;
  --border-soft: #182231;
  --text: #e8eef7;
  --muted: #7f8da0;
  --accent: #ff4d4f;
  --accent-2: #ff7a45;
  --ok: #3ddc97;
  --warn: #ffb020;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255, 77, 79, .10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(255, 122, 69, .07), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 19, .78);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 20px;
  height: 60px; display: flex; align-items: center; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .5px; white-space: nowrap; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 77, 79, .16), 0 0 16px rgba(255, 77, 79, .7);
}
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.nav a {
  color: var(--muted); padding: 7px 12px; border-radius: 9px; white-space: nowrap;
  transition: .18s;
}
.nav a:hover { color: var(--text); background: rgba(255, 255, 255, .05); text-decoration: none; }
.nav a.active { color: #fff; background: rgba(255, 77, 79, .14); box-shadow: inset 0 0 0 1px rgba(255, 77, 79, .3); }
.userbox { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.uname { color: var(--muted); }
.logout { color: var(--muted); font-size: 13px; }
.logout:hover { color: var(--accent); text-decoration: none; }

.badge {
  font-size: 12px; padding: 2px 8px; border-radius: 999px;
  background: rgba(255, 255, 255, .08); color: var(--muted);
}
.badge.admin { background: rgba(255, 77, 79, .16); color: #ff8f90; }

/* ---------- 布局 ---------- */
.container { max-width: 1160px; margin: 0 auto; padding: 24px 20px 60px; }
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .022), transparent 40%), var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: 0 20px 40px -30px rgba(0, 0, 0, .9);
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.card-label {
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted);
}
.card-note { font-size: 12px; color: var(--muted); }

.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.big-number {
  font-size: clamp(52px, 7vw, 82px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  background: linear-gradient(120deg, #fff 10%, var(--accent-2) 55%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin: 6px 0 2px;
  font-variant-numeric: tabular-nums;
}
.big-number i { font-style: normal; font-size: .38em; margin-left: 4px; color: var(--accent-2); -webkit-text-fill-color: var(--accent-2); }
.hero-sub { color: var(--muted); font-size: 13px; }
.hero-sub b { color: var(--text); }
.hero-foot { margin-top: 14px; font-size: 12px; color: var(--muted); }

.state-badge {
  display: inline-block; margin: 8px 0 12px;
  padding: 7px 16px; border-radius: 999px;
  font-weight: 700; font-size: 13px;
}
.state-badge.idle { background: rgba(255, 255, 255, .06); color: var(--muted); }
.state-badge.ok { background: rgba(61, 220, 151, .14); color: var(--ok); box-shadow: inset 0 0 0 1px rgba(61, 220, 151, .3); }
.state-badge.warn { background: rgba(255, 176, 32, .15); color: var(--warn); box-shadow: inset 0 0 0 1px rgba(255, 176, 32, .32); }
.state-badge.bad { background: rgba(255, 77, 79, .16); color: #ff8f90; box-shadow: inset 0 0 0 1px rgba(255, 77, 79, .35); }

.kv { list-style: none; margin: 0; padding: 0; }
.kv li { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px dashed var(--border-soft); font-size: 13px; }
.kv li:last-child { border-bottom: 0; }
.kv span { color: var(--muted); }
.kv b { font-weight: 600; font-variant-numeric: tabular-nums; }

.rule-item { display: flex; gap: 14px; align-items: center; padding: 10px 0; border-bottom: 1px dashed var(--border-soft); }
.rule-item:last-of-type { border-bottom: 0; }
.rule-num {
  min-width: 58px; text-align: center;
  font-size: 26px; font-weight: 800; color: var(--accent-2);
  font-variant-numeric: tabular-nums;
}
.rule-title { font-weight: 600; }
.rule-desc { font-size: 12px; color: var(--muted); }
.rule-note { font-size: 12px; color: var(--muted); margin-top: 10px; }
.rule-note b { color: var(--ok); }

/* ---------- 图表 ---------- */
.chart-wrap { position: relative; height: 280px; }
#chart { width: 100%; height: 100%; display: block; }
.chart-empty {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 13px;
}
.chart-legend { margin-top: 10px; font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.chart-legend .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 8px rgba(255, 122, 69, .8); }

.range-tabs { display: flex; gap: 4px; background: var(--panel-2); padding: 4px; border-radius: 10px; border: 1px solid var(--border); }
.range-tabs button {
  border: 0; background: transparent; color: var(--muted);
  padding: 5px 12px; border-radius: 7px; cursor: pointer; font-size: 12px; font-family: inherit;
}
.range-tabs button:hover { color: var(--text); }
.range-tabs button.active { background: rgba(255, 77, 79, .16); color: #ff9c9d; }

.info-row { display: flex; gap: 32px; flex-wrap: wrap; font-size: 13px; }
.info-row span { color: var(--muted); margin-right: 8px; }
.info-row b { font-weight: 600; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.form-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .form-grid.cols-2, .form-grid.cols-3, .form-grid.cols-4 { grid-template-columns: 1fr; } }

.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 7px; }
.field small, small { display: block; color: var(--muted); font-size: 12px; margin-top: 6px; line-height: 1.5; }
.field.inline { align-items: center; }
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  font-family: inherit; font-size: 14px; outline: none; transition: .16s;
}
input:focus, select:focus, textarea:focus { border-color: rgba(255, 77, 79, .55); box-shadow: 0 0 0 3px rgba(255, 77, 79, .12); }
textarea { resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; line-height: 1.5; }
select { appearance: none; }
.input-unit { display: flex; align-items: center; gap: 8px; }
.input-unit input { text-align: center; font-weight: 700; font-size: 18px; color: var(--accent-2); }
.input-unit span { color: var(--muted); white-space: nowrap; font-size: 13px; }

.switch { display: flex !important; align-items: center; gap: 9px; cursor: pointer; font-weight: 500 !important; }
.switch input { appearance: none; width: 42px; height: 24px; border-radius: 999px; background: #253040; position: relative; cursor: pointer; flex: none; transition: .2s; }
.switch input:checked { background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
.switch input::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; transition: .2s;
}
.switch input:checked::after { transform: translateX(18px); }

.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.sticky-actions { position: sticky; bottom: 16px; display: flex; justify-content: flex-end; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: 10px; border: 1px solid transparent;
  font-family: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: .18s; background: var(--panel-2); color: var(--text);
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: linear-gradient(120deg, var(--accent-2), var(--accent)); color: #fff; box-shadow: 0 10px 24px -12px rgba(255, 77, 79, .8); }
.btn.primary:hover { box-shadow: 0 14px 26px -12px rgba(255, 77, 79, .95); }
.btn.ghost { border-color: var(--border); color: var(--muted); background: transparent; }
.btn.ghost:hover { color: var(--text); border-color: rgba(255, 255, 255, .2); }
.btn.danger { background: rgba(255, 77, 79, .12); color: #ff8f90; }
.btn.mini { padding: 5px 12px; font-size: 12px; border-radius: 8px; }
.btn.block { width: 100%; padding: 12px; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.hint { font-size: 12px; color: var(--muted); margin-top: 10px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-variant-numeric: tabular-nums; }
.text-ok { color: var(--ok); }
.text-bad { color: #ff8f90; }

/* ---------- 提示 ---------- */
.alert { padding: 11px 15px; border-radius: 10px; margin-bottom: 14px; font-size: 13px; border: 1px solid transparent; }
.alert.error { background: rgba(255, 77, 79, .12); border-color: rgba(255, 77, 79, .3); color: #ffb1b2; }
.alert.success { background: rgba(61, 220, 151, .1); border-color: rgba(61, 220, 151, .3); color: #9ff0c9; }
.hidden { display: none !important; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; margin: 0 -22px; padding: 0 22px; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left; padding: 10px 12px; color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap; font-size: 12px;
}
.table td { padding: 11px 12px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
.table tbody tr:hover { background: rgba(255, 255, 255, .018); }
.table .empty { text-align: center; color: var(--muted); padding: 30px 0; }
.table .ops { display: flex; gap: 6px; white-space: nowrap; }
.inline-form { display: inline; margin: 0; }
.edit-row td { background: var(--panel-2); }
.edit-row .form-grid { padding: 6px 0; }

.tag { display: inline-block; padding: 1px 8px; border-radius: 6px; font-size: 11px; background: rgba(255, 255, 255, .06); color: var(--muted); }
.tag.ok { background: rgba(61, 220, 151, .12); color: var(--ok); }
.tag.warn { background: rgba(255, 176, 32, .14); color: var(--warn); }

.page-title { margin-bottom: 18px; }
.page-title h2 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.3px; }
.page-title p { margin: 0; color: var(--muted); font-size: 13px; }

.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px 0 40px; }

/* ---------- 登录 ---------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-wrap { width: 100%; max-width: 400px; padding: 20px; }
.login-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), transparent 40%), var(--panel);
  border: 1px solid var(--border); border-radius: 18px; padding: 34px 30px;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .95);
}
.login-logo { display: flex; justify-content: center; margin-bottom: 14px; }
.login-logo .brand-dot { width: 14px; height: 14px; }
.login-card h1 { text-align: center; font-size: 22px; margin: 0 0 6px; letter-spacing: -.3px; }
.login-sub { text-align: center; color: var(--muted); font-size: 13px; margin: 0 0 22px; }
.login-form { display: grid; gap: 14px; }
.login-form label { font-size: 13px; font-weight: 600; }
.login-form input { margin-top: 7px; }

/* ---------- 汉堡按钮 ---------- */
.hamburger {
  display: none;
  flex-direction: column; justify-content: center; gap: 4px;
  width: 38px; height: 38px; padding: 0 9px;
  background: transparent; border: 0; border-radius: 9px; cursor: pointer;
}
.hamburger span {
  display: block; height: 2px; width: 20px;
  background: var(--text); border-radius: 2px;
  transition: .22s;
}

/* ---------- 抽屉菜单 ---------- */
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(0, 0, 0, .55);
  opacity: 0; pointer-events: none;
  transition: opacity .22s;
}
.drawer-backdrop.show { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 45;
  width: 280px; max-width: 82vw;
  background: linear-gradient(180deg, #111822, #0a0e13);
  border-right: 1px solid var(--border);
  transform: translateX(-105%); transition: transform .26s cubic-bezier(.2,.8,.2,1);
  display: flex; flex-direction: column;
  box-shadow: 20px 0 60px rgba(0,0,0,.5);
}
.drawer.open { transform: translateX(0); }
.drawer-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 20px 14px; border-bottom: 1px solid var(--border);
}
.drawer-title { font-weight: 700; font-size: 15px; letter-spacing: .5px; }
.drawer-close {
  background: transparent; border: 0; color: var(--muted);
  font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 6px;
}
.drawer-close:hover { color: var(--text); background: rgba(255,255,255,.05); }
.drawer-nav { padding: 10px 10px 20px; flex: 1; overflow-y: auto; }
.drawer-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: 10px;
  color: var(--text); text-decoration: none;
  font-size: 15px;
  transition: .15s;
}
.drawer-nav a:hover { background: rgba(255, 255, 255, .05); text-decoration: none; }
.drawer-nav a.active { background: rgba(255, 77, 79, .16); color: #ff9c9d; box-shadow: inset 0 0 0 1px rgba(255, 77, 79, .3); }
.drawer-nav .di { width: 24px; text-align: center; font-size: 18px; }
.drawer-divider {
  margin: 16px 14px 8px; font-size: 11px; color: var(--muted); letter-spacing: 3px;
  text-transform: uppercase; padding-top: 8px; border-top: 1px dashed var(--border-soft);
}
.drawer-foot {
  padding: 14px 20px 20px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px; font-size: 13px;
}
.drawer-foot .logout { margin-left: auto; }

/* ---------- 手机端适配 ---------- */
@media (max-width: 860px) {
  .hamburger { display: flex; }
  .topbar-inner { gap: 10px; padding: 0 14px; }
  .brand { font-size: 14px; flex: 1; }
  .nav, .userbox { display: none; }
  .container { padding: 16px 14px 40px; }
  .card { padding: 16px; border-radius: 12px; }
  .hero-grid { grid-template-columns: 1fr; }
  .big-number { font-size: clamp(48px, 16vw, 82px); }
  .form-grid.cols-2, .form-grid.cols-3, .form-grid.cols-4 { grid-template-columns: 1fr; }
  .info-row { gap: 12px; font-size: 12px; }
  .range-tabs { overflow-x: auto; }
  .range-tabs button { padding: 5px 10px; font-size: 11px; }
  .table-wrap { margin: 0 -16px; padding: 0 16px; }
  .chart-wrap { height: 230px; }
  .card-head { gap: 10px; }
  .sticky-actions { bottom: 10px; }
  .hamburger { margin-left: auto; }
}

@media (max-width: 420px) {
  .brand span:not(.brand-dot) { display: none; }
  .login-card { padding: 28px 20px; }
  .hamburger { width: 34px; height: 34px; }
}

.token-card .info-row { gap: 16px; }
.keepalive {
  font-size: 12px; padding: 4px 10px; border-radius: 999px;
  background: rgba(255, 122, 69, .14); color: #ff9c6b;
  border: 1px solid rgba(255, 122, 69, .35);
  display: inline-block;
  animation: pulse 1.6s ease-in-out infinite;
}
.keepalive.warning { color: #ffc53d; background: rgba(255, 197, 61, .14); border-color: rgba(255, 197, 61, .4); }
.keepalive.expired { color: #ff7875; background: rgba(255, 77, 79, .16); border-color: rgba(255, 77, 79, .45); animation: none; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .55; }
}
.hidden { display: none !important; }
.rule-note .subtle { color: #888; font-size: 12px; margin-left: 8px; }
.rule-note .warn-inline {
  display: inline-block; margin-left: 10px;
  font-size: 12px; padding: 3px 9px; border-radius: 6px;
  background: rgba(255, 77, 79, .15); color: #ff7875;
  border: 1px solid rgba(255, 77, 79, .35);
}

/* ---------- 用户管理 ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.stat-card {
  text-decoration: none; color: var(--text);
  padding: 18px; border-radius: 12px;
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  display: block; transition: .2s;
}
.stat-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.2); text-decoration: none; color: var(--text); }
.stat-card.active { border-color: var(--brand); box-shadow: 0 0 0 2px rgba(255,77,79,.22); }
.stat-card.ok.active { border-color: #52c41a; box-shadow: 0 0 0 2px rgba(82,196,26,.22); }
.stat-card.danger.active { border-color: #ff4d4f; box-shadow: 0 0 0 2px rgba(255,77,79,.22); }
.stat-num { font-size: clamp(28px, 5vw, 40px); font-weight: 700; letter-spacing: .5px; }
.stat-card.ok .stat-num { color: #73d13d; }
.stat-card.danger .stat-num { color: #ff7875; }
.stat-label { font-size: 14px; margin-top: 4px; color: var(--text); }
.stat-sub { font-size: 12px; margin-top: 2px; }

.dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  background: #555; vertical-align: middle;
}
.dot-ok { background: #52c41a; box-shadow: 0 0 8px rgba(82,196,26,.8); animation: pulse 2s infinite; }
.dot-ban { background: #ff4d4f; box-shadow: 0 0 6px rgba(255,77,79,.6); }
.row-banned { opacity: .65; }

.text-ok { color: #73d13d; }

.btn.warn { background: #fa8c16; border-color: #fa8c16; color: #fff; }
.btn.warn:hover { background: #ff9c2e; border-color: #ff9c2e; }
.btn.danger { background: #ff4d4f; border-color: #ff4d4f; color: #fff; }
.btn.danger:hover { background: #ff7875; border-color: #ff7875; }

@media (max-width: 860px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
  .stat-row { grid-template-columns: 1fr 1fr; gap: 10px; }
}