:root {
  --bg: #0a0d13;
  --bg-soft: #0f141d;
  --panel: #141a24;
  --panel-2: #1a2130;
  --border: #232c3b;
  --text: #e8eefb;
  --muted: #8b9ab4;
  --accent: #4d7cff;
  --accent-soft: rgba(77, 124, 255, 0.14);
  --ok: #2ecc8f;
  --warn: #f5a524;
  --danger: #f0566a;
  --radius: 14px;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1100px 620px at 78% -12%, rgba(77, 124, 255, 0.16), transparent 62%), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100%;
}

button, input { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
p { margin: 0; }
.muted { color: var(--muted); }
.stack > * + * { margin-top: 14px; }
.row { display: flex; align-items: center; }
.gap { gap: 10px; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 22px;
  padding: 12px 24px;
  background: rgba(10, 13, 19, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 9px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, #5b8cff, #7b5bff);
  font-size: 13px; font-weight: 700; letter-spacing: -0.03em;
}
.brand-text { font-weight: 650; }
.nav { display: flex; gap: 4px; }
.nav-item {
  border: 0; background: transparent; color: var(--muted);
  padding: 7px 13px; border-radius: 9px; cursor: pointer;
  transition: background .16s, color .16s;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav-item.is-active { color: var(--text); background: var(--accent-soft); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.fw-status { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
.fw-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.fw-status.is-ok .dot { background: var(--ok); box-shadow: 0 0 0 3px rgba(46, 204, 143, .16); }
.fw-status.is-bad .dot { background: var(--danger); box-shadow: 0 0 0 3px rgba(240, 86, 106, .16); }
.user-chip { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.btn-text { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 2px 4px; }
.btn-text:hover { color: var(--text); }

/* ---------- layout ---------- */
.main { max-width: 1120px; margin: 0 auto; padding: 30px 24px 72px; }
.view[hidden], [hidden] { display: none !important; }
.section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.section-head p { font-size: 13px; }

/* ---------- buttons ---------- */
.btn {
  border: 1px solid transparent; border-radius: 10px;
  padding: 9px 16px; cursor: pointer; background: var(--panel-2);
  transition: transform .12s, background .16s, border-color .16s, opacity .16s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: linear-gradient(140deg, #4d7cff, #6a5cff); border-color: transparent; font-weight: 600; }
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.btn-ghost:hover { color: var(--text); border-color: #33405a; }
.btn-danger { background: rgba(240, 86, 106, .12); border-color: rgba(240, 86, 106, .34); color: #ff9aa8; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 11px; font-size: 13px; border-radius: 8px; }
.btn-icon {
  border: 0; background: transparent; color: var(--muted);
  width: 32px; height: 32px; border-radius: 8px; cursor: pointer;
}
.btn-icon:hover { background: rgba(255,255,255,.06); color: var(--text); }

/* ---------- forms ---------- */
.field { display: block; }
.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.input, .field input {
  width: 100%; padding: 10px 13px; border-radius: 10px;
  background: #0d121b; border: 1px solid var(--border);
  outline: none; transition: border-color .16s, box-shadow .16s;
}
.input:focus, .field input:focus { border-color: #3a5bd9; box-shadow: 0 0 0 3px rgba(77,124,255,.16); }
.form-hint { font-size: 12px; color: var(--muted); line-height: 1.65; }
.form-error { font-size: 13px; color: #ff9aa8; }

/* ---------- auth ---------- */
.auth-wrap {
  display: grid; grid-template-columns: 380px 1fr; gap: 40px;
  align-items: center; min-height: calc(100vh - 180px);
}
.auth-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 18px; padding: 30px; box-shadow: var(--shadow);
}
.auth-title { font-size: 22px; }
.auth-sub { color: var(--muted); font-size: 13px; margin: 8px 0 22px; }
.auth-side h2 { font-size: 17px; margin-bottom: 14px; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.feature-list li {
  padding: 14px 16px; border-radius: 12px;
  background: rgba(255,255,255,.03); border: 1px solid var(--border);
  color: var(--muted); font-size: 13px;
}
.feature-list b { display: block; color: var(--text); font-size: 14px; margin-bottom: 3px; }
.auth-note { margin-top: 16px; font-size: 12px; color: #64708a; }

.tabs { display: flex; gap: 6px; margin-bottom: 18px; padding: 4px; background: #0d121b; border-radius: 11px; border: 1px solid var(--border); }
.tab {
  flex: 1; border: 0; background: transparent; color: var(--muted);
  padding: 8px; border-radius: 8px; cursor: pointer; transition: background .16s, color .16s;
}
.tab.is-active { background: var(--panel-2); color: var(--text); }

/* ---------- accounts ---------- */
.account-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.account-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; cursor: pointer;
  transition: border-color .16s, transform .16s, box-shadow .16s;
}
.account-card:hover { border-color: #31405c; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,0,0,.3); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.qq-avatar {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(140deg, #2b3a5c, #1d2740); font-weight: 650; font-size: 14px;
  border: 1px solid #2c3a55;
}
.qq-id { font-weight: 620; font-size: 15px; letter-spacing: .01em; }
.qq-nick { font-size: 12px; color: var(--muted); }
.badge { font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid transparent; }
.badge-online { background: rgba(46,204,143,.14); color: #6fe3b4; border-color: rgba(46,204,143,.28); }
.badge-offline { background: rgba(139,154,180,.12); color: var(--muted); border-color: var(--border); }
.badge-pending { background: rgba(245,165,36,.14); color: #ffc76b; border-color: rgba(245,165,36,.3); }
.badge-error { background: rgba(240,86,106,.14); color: #ff9aa8; border-color: rgba(240,86,106,.3); }
.card-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.metric { background: #0e141d; border: 1px solid #1c2431; border-radius: 10px; padding: 10px 12px; }
.metric-label { font-size: 11px; color: var(--muted); }
.metric-value { font-size: 17px; font-weight: 640; margin-top: 2px; }
.metric-value small { font-size: 11px; font-weight: 400; color: var(--muted); margin-left: 2px; }
.card-foot { margin-top: 14px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted); }

.plan-banner {
  margin-bottom: 16px; padding: 12px 16px; border-radius: 12px;
  background: rgba(245,165,36,.09); border: 1px solid rgba(245,165,36,.28);
  color: #ffd08a; font-size: 13px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.empty { text-align: center; padding: 70px 20px; border: 1px dashed var(--border); border-radius: var(--radius); }
.empty p:first-child { font-size: 15px; margin-bottom: 6px; }

/* ---------- panels ---------- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.panel.narrow { max-width: 560px; }
.plan-state { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; }
.plan-state b { color: var(--text); }

.event-list { display: grid; gap: 2px; }
.event-row { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid #1a2230; font-size: 13px; }
.event-row:last-child { border-bottom: 0; }
.event-time { color: var(--muted); font-size: 12px; white-space: nowrap; }
.event-kind { font-size: 11px; padding: 1px 7px; border-radius: 6px; background: var(--accent-soft); color: #9db6ff; height: fit-content; }
.event-kind.error { background: rgba(240,86,106,.14); color: #ff9aa8; }
.event-kind.run { background: rgba(46,204,143,.14); color: #6fe3b4; }

/* ---------- modal / drawer ---------- */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 20px; background: rgba(4,6,10,.66); backdrop-filter: blur(4px); }
.modal-card { width: min(460px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }
.modal-head, .drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-card > form { padding: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.drawer { position: fixed; inset: 0; z-index: 60; }
.drawer-mask { position: absolute; inset: 0; background: rgba(4,6,10,.6); backdrop-filter: blur(3px); }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(620px, 100%);
  background: var(--bg-soft); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; animation: slideIn .2s ease;
}
@keyframes slideIn { from { transform: translateX(24px); opacity: .6; } to { transform: none; opacity: 1; } }
.drawer-body { padding: 20px; overflow-y: auto; flex: 1; }
.drawer-body h4 { margin: 0 0 12px; font-size: 13px; color: var(--muted); font-weight: 500; text-transform: none; }

/* ---------- detail blocks ---------- */
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.task-list { display: grid; gap: 8px; }
.task-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
}
.task-item.is-done { border-color: rgba(46,204,143,.28); background: rgba(46,204,143,.06); }
.task-check { width: 16px; height: 16px; accent-color: var(--accent); }
.task-main { flex: 1; min-width: 0; }
.task-title { font-size: 13px; }
.task-sub { font-size: 11px; color: var(--muted); }
.task-tag { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: rgba(255,255,255,.05); color: var(--muted); }
.task-tag.done { background: rgba(46,204,143,.14); color: #6fe3b4; }

.plan-form { display: grid; gap: 14px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--border); }
.plan-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.plan-row label { font-size: 13px; color: var(--muted); }
.plan-row input[type="time"] {
  background: #0d121b; border: 1px solid var(--border); border-radius: 9px; padding: 8px 11px;
}
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; }
.switch input { width: 16px; height: 16px; accent-color: var(--accent); }

.qr-box { margin-top: 16px; padding: 18px; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); text-align: center; }
.qr-box canvas, .qr-box img { background: #fff; padding: 10px; border-radius: 10px; }
.qr-status { margin-top: 12px; font-size: 13px; color: var(--muted); }
.steps { display: grid; gap: 10px; font-size: 13px; color: var(--muted); }
.steps li { margin-left: -8px; }

/* ---------- admin ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table td { padding: 11px 12px; border-bottom: 1px solid #1a2230; vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table .actions { display: flex; gap: 6px; }
.code-list { display: grid; gap: 6px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; max-height: 320px; overflow: auto; }
.code-list div { padding: 6px 10px; background: #0d121b; border-radius: 8px; border: 1px solid var(--border); }

/* ---------- toast ---------- */
.toast-host { position: fixed; top: 16px; right: 16px; z-index: 90; display: grid; gap: 8px; }
.toast {
  padding: 11px 16px; border-radius: 11px; font-size: 13px;
  background: var(--panel-2); border: 1px solid var(--border); box-shadow: var(--shadow);
  animation: toastIn .18s ease;
  max-width: 380px;
}
.toast.ok { border-color: rgba(46,204,143,.4); }
.toast.err { border-color: rgba(240,86,106,.42); }
@keyframes toastIn { from { transform: translateY(-6px); opacity: 0; } to { transform: none; opacity: 1; } }

.spinner {
  display: inline-block; width: 13px; height: 13px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.25); border-top-color: #fff;
  animation: spin .7s linear infinite; vertical-align: -2px; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 860px) {
  .auth-wrap { grid-template-columns: 1fr; gap: 26px; min-height: auto; }
  .auth-side { order: 2; }
  .main { padding: 22px 16px 64px; }
  .topbar { padding: 10px 16px; gap: 12px; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; overflow-x: auto; }
  .fw-status { display: none; }
  .stat-row { grid-template-columns: 1fr; }
  .account-grid { grid-template-columns: 1fr; }
}