:root {
  --bg: #0b0e14;
  --panel: #131824;
  --panel-2: #1a2130;
  --border: #232c3f;
  --text: #e6eaf2;
  --muted: #8b94a7;
  --brand: #4f8cff;
  --brand-2: #3a6fd8;
  --green: #2ecc8f;
  --amber: #f5b544;
  --danger: #ff5c6c;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", Roboto, sans-serif;
}
.mono { font-family: ui-monospace, Consolas, "Courier New", monospace; font-size: 0.95em; }
.text-muted { color: var(--muted); }
.text-green { color: var(--green); }
.text-amber { color: var(--amber); }
.text-break { word-break: break-all; }
.empty-cell { text-align: center; padding: 24px 0 !important; }

/* ---------- 登录 ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 380px; max-width: 100%;
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 34px 32px; text-align: center;
}
.login-logo {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), #7a5cff);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 20px; color: #fff;
}
.login-card h1 { font-size: 20px; margin: 0 0 6px; }
.login-sub { color: var(--muted); margin: 0 0 22px; font-size: 13px; }
.login-foot { color: var(--muted); font-size: 11px; margin: 18px 0 0; }
.field { display: block; text-align: left; margin-bottom: 14px; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.field-hint { color: var(--muted); font-size: 12px; margin: 0 0 12px; }
input, select {
  width: 100%; padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  font-size: 14px; outline: none;
}
input:focus, select:focus { border-color: var(--brand); }
.login-msg { min-height: 18px; font-size: 12px; margin: 10px 0 0; color: var(--danger); }

/* ---------- 按钮 ---------- */
button { cursor: pointer; font-family: inherit; }
.btn-primary {
  width: 100%; padding: 11px 16px; border: 0; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff;
  font-weight: 600; font-size: 14px;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-small, .ghost-btn {
  padding: 6px 12px; border-radius: 7px; font-size: 12px;
}
.btn-small { border: 0; background: var(--brand); color: #fff; }
.ghost-btn { border: 1px solid var(--border); background: transparent; color: var(--text); }
.ghost-btn.small { padding: 4px 9px; }
.ghost-btn.danger { color: var(--danger); border-color: rgba(255, 92, 108, 0.35); }
.btn-danger { border: 1px solid rgba(255, 92, 108, 0.5); background: transparent; color: var(--danger); border-radius: 9px; padding: 9px 14px; }
.btn-ghost { border: 0; background: transparent; color: var(--muted); margin-top: 8px; font-size: 13px; }
.btn-danger:hover, .ghost-btn.danger:hover { background: rgba(255, 92, 108, 0.08); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%) translateY(-80px);
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 18px; font-size: 13px; z-index: 99; transition: transform 0.25s;
  max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { border-color: rgba(255, 92, 108, 0.5); color: var(--danger); }
.toast.success { border-color: rgba(46, 204, 143, 0.4); }

/* ---------- 主框架 ---------- */
.app { display: none; min-height: 100vh; }
.app.show { display: flex; }
.sidebar {
  width: 200px; flex-shrink: 0; padding: 20px 14px;
  background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}
.side-brand { font-weight: 800; font-size: 16px; padding: 4px 10px 18px; }
.side-btn {
  display: block; width: 100%; text-align: left; padding: 9px 12px;
  border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 14px;
}
.side-btn:hover { color: var(--text); background: var(--panel-2); }
.side-btn.active { color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.side-sep { font-size: 11px; color: var(--muted); padding: 14px 12px 6px; border-top: 1px solid var(--border); margin-top: 12px; }
.side-logout {
  margin-top: auto; border: 1px solid var(--border); background: transparent;
  color: var(--muted); border-radius: 8px; padding: 8px; font-size: 13px;
}
.side-logout:hover { color: var(--danger); border-color: rgba(255, 92, 108, 0.4); }
.main { flex: 1; padding: 22px 28px 40px; max-width: 1080px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.topbar strong { color: var(--text); }
.warn-banner {
  display: flex; align-items: center; gap: 12px;
  background: rgba(245, 181, 68, 0.08); border: 1px solid rgba(245, 181, 68, 0.35);
  color: var(--amber); border-radius: 10px; padding: 10px 16px; margin-bottom: 16px; font-size: 13px;
}
.view { display: none; }
.view.active { display: block; }
h2 { font-size: 18px; margin: 4px 0 16px; }
h3 { font-size: 14px; margin: 0 0 12px; }

/* ---------- 卡片 / 面板 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.card-label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.card-num { font-size: 24px; font-weight: 700; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 9px 10px; border-bottom: 1px solid rgba(35, 44, 63, 0.5); word-break: break-all; }
tr:last-child td { border-bottom: 0; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 11px; }
.badge-success { background: rgba(46, 204, 143, 0.12); color: var(--green); }
.badge-pending { background: rgba(245, 181, 68, 0.12); color: var(--amber); }
.badge-danger { background: rgba(255, 92, 108, 0.12); color: var(--danger); }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; }
.toolbar input { width: auto; }
.form-row { display: flex; gap: 10px; align-items: center; }
.form-row.wrap { flex-wrap: wrap; }
.form-row input, .form-row select { width: auto; min-width: 150px; }
.form-row .grow { flex: 1; }
.form-col { display: flex; flex-direction: column; gap: 10px; max-width: 380px; }
.claim-panel { text-align: left; }
.claim-amount { font-size: 34px; font-weight: 800; color: var(--amber); margin-bottom: 4px; }
.claim-amount small { font-size: 14px; color: var(--muted); }
.claim-addr { margin: 10px 0 16px; font-size: 13px; color: var(--muted); }
.claim-panel .btn-primary { width: auto; padding: 10px 26px; }
.twofa-grid { display: flex; gap: 18px; align-items: flex-start; }
.twofa-grid img { border-radius: 10px; background: #fff; padding: 4px; }

/* ---------- 弹窗 ---------- */
.modal {
  display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
  align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal.show { display: flex; }
.modal-card {
  width: 420px; max-width: 100%;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 24px;
}
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.modal-actions .btn-primary, .modal-actions .btn-ghost { width: auto; padding: 9px 18px; }
.modal-actions .btn-ghost { border: 1px solid var(--border); border-radius: 9px; margin-top: 0; }

@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .side-brand { padding: 4px 10px; }
  .side-sep { border-top: 0; margin: 0 6px; }
  .side-logout { margin: 0 0 0 auto; }
  .cards { grid-template-columns: 1fr; }
  .twofa-grid { flex-direction: column; }
  .main { padding: 18px 14px 40px; }
}