:root {
  --ink: #14212b;
  --muted: #5f6d78;
  --line: #d5dde4;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-solid: #ffffff;
  --accent: #0f766e;
  --accent-hover: #0b5f59;
  --danger: #b42318;
  --warn-bg: #fef3f2;
  --page-a: #e7eef4;
  --page-b: #f7f5ef;
  --page-c: #dce8e4;
  --hot: #b45309;
  --radius: 14px;
}

html, body {
  min-height: 100%;
}

body.app-body {
  margin: 0;
  text-align: left !important;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(42% 38% at 12% 0%, rgba(15, 118, 110, 0.14), transparent 70%),
    radial-gradient(40% 36% at 92% 8%, rgba(37, 99, 135, 0.12), transparent 68%),
    linear-gradient(160deg, var(--page-a), var(--page-b) 52%, var(--page-c));
  background-attachment: fixed;
}

body.app-body:not(.is-auth) {
  /* login page owns its own background via sign-in.css */
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(20, 33, 43, 0.08);
}

.app-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.app-brand {
  font-family: Fraunces, Georgia, serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.app-brand:hover {
  color: var(--accent);
}

.app-nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.app-nav-links a {
  display: inline-block;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

.app-nav-links a:hover {
  color: var(--ink);
  background: rgba(15, 118, 110, 0.08);
}

.app-nav-links a.is-active {
  color: var(--accent);
  background: rgba(15, 118, 110, 0.12);
  font-weight: 600;
}

.app-user-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.app-user-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.app-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f766e, #256387);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.app-version-btn {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.82rem;
}

.app-version-btn:hover,
.app-version-btn:focus {
  color: var(--accent);
}

.app-changelog-modal {
  max-width: 520px;
}

.app-changelog-current {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.app-changelog {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.app-changelog-item {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.app-changelog-item.is-latest {
  border-color: rgba(15, 118, 110, 0.35);
  background: rgba(15, 118, 110, 0.06);
}

.app-changelog-meta {
  font-size: 0.75rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.app-changelog-subject {
  margin-top: 0.2rem;
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.45;
  word-break: break-word;
}

.app-main {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  text-align: left;
  animation: app-rise 0.4s ease-out both;
}

.app-footer {
  padding: 1.25rem;
  text-align: center;
  color: #8a96a1;
  font-size: 0.8rem;
}

.app-page-title {
  margin: 0 0 0.25rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.app-page-desc {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.app-panel {
  background: var(--panel);
  border: 1px solid rgba(20, 33, 43, 0.08);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 36px rgba(20, 33, 43, 0.05);
}

/* 仅纵向堆叠的面板间距；左右并排时不要顶下去 */
.app-main > .app-panel + .app-panel {
  margin-top: 1rem;
}

/* 同一行并排时不要顶下去 */
.app-panel + .app-panel.bc-panel,
.app-panel + .app-panel.ch-panel,
.bc-layout > .app-panel + .app-panel,
.ch-layout > .app-panel + .app-panel {
  margin-top: 0;
}

.app-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-bottom: 1rem;
}

.app-toolbar.is-query-bar {
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 0.75rem;
}

.app-toolbar-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.app-toolbar.is-query-bar > .btn {
  flex-shrink: 0;
  margin-left: auto;
  align-self: flex-start;
  white-space: nowrap;
}

.app-toolbar .form-control,
.app-toolbar .form-select,
.app-panel .form-control,
.app-panel .form-select {
  border-color: var(--line);
  border-radius: 10px;
  font-size: 0.9rem;
  min-height: 40px;
}

.app-toolbar .form-control:focus,
.app-toolbar .form-select:focus,
.app-panel .form-control:focus,
.app-panel .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.app-btn,
.btn.app-btn-primary,
.app-panel .btn-primary,
.app-toolbar .btn-primary,
.app-page-head .btn-primary,
.app-main > .btn-primary {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  border-radius: 10px !important;
  font-weight: 600;
  padding: 0.45rem 1rem;
}

.app-btn:hover,
.btn.app-btn-primary:hover,
.app-panel .btn-primary:hover,
.app-toolbar .btn-primary:hover,
.app-page-head .btn-primary:hover,
.app-main > .btn-primary:hover {
  background: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
}

.app-panel .btn-danger {
  border-radius: 10px;
}

.app-panel .btn-sm {
  border-radius: 8px;
}

.app-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-solid);
}

.app-table {
  margin: 0;
  font-size: 0.875rem;
  vertical-align: middle;
  width: 100%;
}

.app-table thead th {
  background: rgba(15, 118, 110, 0.12);
  color: #0f4f4a;
  font-weight: 600;
  white-space: nowrap;
  border: 0;
  border-bottom: 1px solid rgba(15, 118, 110, 0.18);
  padding: 0.7rem 0.85rem;
}

.app-table tbody td {
  padding: 0.65rem 0.85rem;
  border-color: #eef2f5;
  color: var(--ink);
}

.app-table tbody tr:hover {
  background: #f4f8f8;
}

.app-table .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8rem;
}

.app-table .num {
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: nowrap;
}

.app-badge {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background: #e8eef2;
  color: #374151;
}

.app-badge.eth { background: #dbeafe; color: #1d4ed8; }
.app-badge.trx { background: #fee2e2; color: #b91c1c; }
.app-badge.btc { background: #ffedd5; color: #c2410c; }

.pagination .page-link {
  color: var(--ink);
  border-color: var(--line);
}

.pagination .page-item.active .page-link {
  background: var(--accent);
  border-color: var(--accent);
}

.pagination .page-link:hover {
  color: var(--accent);
  background: rgba(15, 118, 110, 0.08);
}

.app-alert {
  border-radius: 10px;
  font-size: 0.9rem;
}

.app-form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

@keyframes app-rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .app-nav-inner { padding: 0.75rem 1rem; }
  .app-main { padding: 1rem; }
}