/* E2W admin design tokens: primitive → semantic → component. */
:root {
  --ink-950: oklch(0.23 0.035 235);
  --ink-850: oklch(0.31 0.035 235);
  --ink-700: oklch(0.43 0.025 235);
  --ink-600: oklch(0.51 0.022 235);
  --paper-50: oklch(0.985 0.006 180);
  --paper-100: oklch(0.96 0.008 180);
  --paper-200: oklch(0.91 0.01 180);
  --teal-700: oklch(0.48 0.09 184);
  --teal-600: oklch(0.55 0.1 184);
  --teal-100: oklch(0.93 0.035 184);
  --red-700: oklch(0.49 0.17 28);
  --red-100: oklch(0.94 0.035 28);
  --amber-700: oklch(0.49 0.11 70);
  --amber-100: oklch(0.95 0.045 85);
  --color-page: var(--paper-100);
  --color-surface: var(--paper-50);
  --color-text: var(--ink-950);
  --color-muted: var(--ink-600);
  --color-border: var(--paper-200);
  --color-accent: var(--teal-700);
  --radius-sm: 6px;
  --radius-md: 10px;
  --shadow-panel: 0 1px 2px oklch(0.23 0.035 235 / 0.05);
  --font-cjk: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--color-page); }
body {
  margin: 0;
  min-height: 100dvh;
  color: var(--color-text);
  background: var(--color-page);
  font-family: var(--font-cjk);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
a, button, input, select { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid oklch(0.65 0.12 184 / 0.42);
  outline-offset: 3px;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(1.75rem, 3vw, 2.25rem); line-height: 1.25; letter-spacing: -0.025em; }
h2 { margin-bottom: 4px; font-size: 1.08rem; line-height: 1.4; }
svg { display: block; fill: currentColor; }
code { font-family: var(--font-mono); font-size: 0.88em; overflow-wrap: anywhere; }

.app-shell { min-height: 100dvh; }
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 20px;
  color: var(--paper-50);
  background: var(--ink-950);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; min-height: 48px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: var(--radius-md);
  color: var(--ink-950);
  background: oklch(0.78 0.12 184);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1rem; letter-spacing: 0.04em; }
.brand small { color: oklch(0.75 0.025 220); font-size: 0.62rem; letter-spacing: 0.12em; }
.main-nav { display: flex; gap: 6px; }
.nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: oklch(0.82 0.018 220);
  font-size: 0.9rem;
  transition: color 160ms ease-out, background-color 160ms ease-out;
}
.nav-link svg { width: 18px; height: 18px; }
.nav-link:hover { color: var(--paper-50); background: var(--ink-850); text-decoration: none; }
.nav-link.active { color: var(--paper-50); background: var(--ink-850); box-shadow: inset 0 0 0 1px oklch(0.55 0.05 220 / 0.35); }
.sidebar-note { display: none; }
.workspace { min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 72px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.topbar-label { display: none; color: var(--color-muted); font-size: 0.65rem; letter-spacing: 0.14em; }
.topbar strong { display: block; font-size: 0.95rem; }
.account-area { display: flex; align-items: center; gap: 12px; }
.account-area form { margin: 0; }
.account-name { display: none; max-width: 180px; overflow: hidden; color: var(--color-muted); font-size: 0.86rem; text-overflow: ellipsis; white-space: nowrap; }
.content { width: 100%; max-width: 1600px; margin: 0 auto; padding: 28px 16px 48px; }
.page-heading { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.page-heading p { max-width: 70ch; margin-bottom: 0; color: var(--color-muted); }
.page-heading .section-kicker { margin-bottom: 6px; }
.section-kicker { color: var(--color-accent); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.muted { color: var(--color-muted); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.4;
  transition: background-color 160ms ease-out, border-color 160ms ease-out, transform 160ms ease-out;
}
.button:hover { text-decoration: none; }
.button:active { transform: translateY(1px); }
.button-primary { color: var(--paper-50); background: var(--color-accent); border-color: var(--color-accent); }
.button-primary:hover { background: var(--teal-600); border-color: var(--teal-600); }
.button-quiet { color: var(--ink-700); background: transparent; border-color: var(--color-border); }
.button-quiet:hover { color: var(--color-text); background: var(--paper-100); }
.button-full { width: 100%; }

.stats-grid { display: grid; gap: 12px; margin-bottom: 20px; }
.stat-card { padding: 20px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); box-shadow: var(--shadow-panel); }
.stat-card > span, .stat-card small { display: block; color: var(--color-muted); }
.stat-card > span { margin-bottom: 8px; font-size: 0.82rem; font-weight: 700; }
.stat-card strong { display: block; margin-bottom: 8px; font-size: clamp(1.6rem, 4vw, 2rem); line-height: 1.2; letter-spacing: -0.035em; overflow-wrap: anywhere; }
.stat-card small { font-size: 0.76rem; }
.stat-card-accent { border-color: oklch(0.8 0.055 184); background: var(--teal-100); }
.stat-card-accent > span, .stat-card-accent small { color: var(--ink-700); }
.dashboard-grid { display: grid; gap: 20px; }
.panel { min-width: 0; margin-bottom: 20px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); box-shadow: var(--shadow-panel); overflow: hidden; }
.dashboard-grid .panel { margin-bottom: 0; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--color-border); }
.panel-heading h2, .panel-heading p { margin-bottom: 0; }
.panel-heading p { color: var(--color-muted); font-size: 0.78rem; }
.panel-heading > a { flex: 0 0 auto; font-size: 0.82rem; font-weight: 700; }
.table-wrap { width: 100%; overflow: hidden; }
table { width: 100%; border-collapse: collapse; table-layout: auto; }
th, td { padding: 13px 12px; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: middle; overflow-wrap: anywhere; }
th { color: var(--color-muted); background: var(--paper-100); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.025em; }
td { font-size: 0.82rem; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr { transition: background-color 160ms ease-out; }
tbody tr:hover { background: oklch(0.97 0.012 184); }
.cell-primary, .cell-secondary { display: block; }
.cell-primary { max-width: 240px; }
.cell-secondary { margin-top: 2px; color: var(--color-muted); font-size: 0.72rem; }
.slot-tag, .version-badge, .current-label, .audit-action {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}
.slot-tag { color: var(--ink-700); background: var(--paper-100); border: 1px solid var(--color-border); }
.version-badge { color: var(--teal-700); background: var(--teal-100); }
.current-label { margin-left: 6px; color: var(--teal-700); background: var(--teal-100); }
.table-action { text-align: right; white-space: nowrap; }
.table-action a { display: inline-flex; align-items: center; min-height: 40px; font-weight: 700; }
.activity-list { padding: 4px 20px; }
.activity-item { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.activity-item:last-child { border-bottom: 0; }
.activity-marker { width: 8px; height: 8px; flex: 0 0 8px; margin-top: 8px; border-radius: 50%; background: var(--teal-600); }
.activity-marker.activity-warning { background: var(--red-700); }
.activity-item strong { font-size: 0.83rem; }
.activity-item p { margin: 2px 0; color: var(--ink-700); font-size: 0.78rem; overflow-wrap: anywhere; }
.activity-item small { color: var(--color-muted); font-size: 0.7rem; }
.empty-state { padding: 40px 20px; text-align: center; }
.empty-state strong { display: block; margin-bottom: 6px; }
.empty-state p { margin-bottom: 8px; color: var(--color-muted); }

.filter-panel { margin-bottom: 20px; padding: 20px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.filter-form { display: grid; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > span { color: var(--ink-700); font-size: 0.78rem; font-weight: 700; }
.field input, .field select {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  background: var(--paper-50);
  transition: border-color 160ms ease-out, box-shadow 160ms ease-out;
}
.field input::placeholder { color: var(--ink-600); }
.field input:hover, .field select:hover { border-color: oklch(0.72 0.04 220); }
.field input:focus, .field select:focus { border-color: var(--color-accent); }
.filter-actions { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px; }
.pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: 0.8rem; }
.pagination > div { display: flex; gap: 8px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--color-muted); font-size: 0.82rem; }
.detail-grid { display: grid; margin: 0; padding: 8px 20px 20px; }
.detail-grid > div { padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.detail-grid > div:last-child { border-bottom: 0; }
.detail-grid dt { margin-bottom: 4px; color: var(--color-muted); font-size: 0.74rem; }
.detail-grid dd { margin: 0; font-size: 0.88rem; font-weight: 600; overflow-wrap: anywhere; }
.checksum { color: var(--ink-700); font-size: 0.78rem; line-height: 1.7; }
.checksum-short { white-space: nowrap; }
.readonly-notice { padding: 18px 20px; border: 1px solid oklch(0.8 0.055 184); border-radius: var(--radius-md); background: var(--teal-100); }
.readonly-notice strong { font-size: 0.9rem; }
.readonly-notice p { margin: 4px 0 0; color: var(--ink-700); font-size: 0.82rem; }
.audit-action { color: var(--teal-700); background: var(--teal-100); }
.audit-action.audit-warning { color: var(--red-700); background: var(--red-100); }
.nowrap { white-space: nowrap; }
.error-state { max-width: 600px; margin: 10vh auto; padding: 32px; text-align: center; }
.error-state p:not(.section-kicker) { color: var(--color-muted); }

.login-body { background: var(--ink-950); }
.login-layout { min-height: 100dvh; }
.login-intro { display: flex; flex-direction: column; justify-content: space-between; gap: 48px; padding: 28px 24px; color: var(--paper-50); background: var(--ink-950); }
.brand-login { align-self: flex-start; }
.login-statement { max-width: 580px; }
.login-statement h1 { margin-bottom: 20px; font-size: clamp(2.25rem, 6vw, 4.25rem); line-height: 1.18; }
.login-statement > p:last-child { max-width: 48ch; margin-bottom: 0; color: oklch(0.79 0.02 220); }
.login-footnote { display: none; margin: 0; color: oklch(0.65 0.02 220); font-size: 0.7rem; letter-spacing: 0.08em; }
.login-panel { display: grid; place-items: center; padding: 40px 20px; background: var(--color-surface); }
.login-form-wrap { width: 100%; max-width: 430px; }
.login-form-wrap h2 { margin-bottom: 8px; font-size: 1.8rem; }
.login-form-wrap > .muted { margin-bottom: 24px; }
.login-form { display: grid; gap: 18px; }
.alert { margin-bottom: 20px; padding: 12px 14px; border: 1px solid oklch(0.8 0.08 28); border-radius: var(--radius-sm); color: var(--red-700); background: var(--red-100); font-size: 0.85rem; }
.security-note { display: flex; align-items: flex-start; gap: 8px; margin: 24px 0 0; color: var(--color-muted); font-size: 0.72rem; }
.security-note svg { width: 16px; height: 16px; flex: 0 0 16px; margin-top: 3px; }
.setup-block { display: grid; gap: 8px; margin: 20px 0; padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--paper-100); }
.setup-block code { color: var(--ink-700); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (min-width: 640px) {
  .content { padding: 36px 28px 56px; }
  .topbar { padding-inline: 28px; }
  .topbar-label, .account-name { display: block; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-actions { grid-column: 1 / -1; }
  .audit-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audit-filter .filter-actions { grid-column: 1 / -1; }
  .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; }
  .detail-wide { grid-column: 1 / -1; }
  .login-intro { padding: 40px; }
  .login-panel { padding: 56px 40px; }
}

@media (min-width: 1024px) {
  .app-shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); }
  .sidebar { position: sticky; top: 0; height: 100dvh; padding: 28px 20px; }
  .main-nav { flex-direction: column; margin-top: 16px; }
  .nav-link { justify-content: flex-start; padding-inline: 16px; }
  .sidebar-note { display: block; margin-top: auto; padding: 16px; border: 1px solid var(--ink-700); border-radius: var(--radius-md); color: oklch(0.88 0.018 220); font-size: 0.78rem; }
  .sidebar-note small { display: block; margin-top: 8px; color: oklch(0.7 0.02 220); font-size: 0.68rem; line-height: 1.6; }
  .status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: oklch(0.78 0.12 184); }
  .topbar { position: sticky; top: 0; z-index: 10; }
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .dashboard-grid { grid-template-columns: minmax(0, 1.65fr) minmax(300px, 1fr); }
  .filter-form { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filter-actions { grid-column: auto; }
  .audit-filter { grid-template-columns: minmax(200px, 1fr) minmax(200px, 1fr) auto; }
  .audit-filter .filter-actions { grid-column: auto; }
  .login-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(460px, 0.85fr); }
  .login-intro { padding: 48px clamp(48px, 7vw, 110px); }
  .login-footnote { display: block; }
}

@media (min-width: 1280px) {
  .content { padding: 40px 40px 64px; }
  .topbar { padding-inline: 40px; }
  .filter-form { grid-template-columns: repeat(5, minmax(120px, 1fr)); }
  .filter-actions { grid-column: 1 / -1; }
  th, td { padding: 14px 18px; }
}

@media (max-width: 639px) {
  .sidebar { gap: 14px; padding: 14px 12px; }
  .brand { margin-inline: auto; }
  .main-nav { justify-content: center; }
  .nav-link { flex: 1; flex-direction: column; gap: 3px; padding: 7px 5px; font-size: 0.72rem; }
  .topbar { padding-inline: 16px; }
  .page-heading .button { width: 100%; }
  .table-optional { display: none; }
  th, td { padding: 11px 7px; font-size: 0.75rem; }
  .cell-primary { max-width: 110px; }
  .slot-tag { padding-inline: 5px; }
  .panel-heading { padding-inline: 14px; }
  .panel-heading p { max-width: 220px; }
  .activity-list { padding-inline: 14px; }
  .login-intro { gap: 32px; }
  .login-statement h1 { font-size: 2.25rem; }
}

/* Full administration workflows. */
.heading-actions, .form-actions, .action-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.action-group { justify-content: flex-end; }
.action-group a { display: inline-flex; align-items: center; min-height: 40px; font-weight: 700; }
.account-password { display: inline-flex; align-items: center; min-height: 44px; font-size: 0.82rem; font-weight: 700; }
.button-danger { color: var(--paper-50); background: var(--red-700); border-color: var(--red-700); }
.button-danger:hover { background: oklch(0.43 0.16 28); border-color: oklch(0.43 0.16 28); }
.button-danger-quiet { color: var(--red-700); background: transparent; border-color: oklch(0.8 0.08 28); }
.button-danger-quiet:hover { background: var(--red-100); }
.danger-link { color: var(--red-700); }
.button:disabled, .field input:disabled { cursor: not-allowed; opacity: 0.55; }
.button:disabled:active { transform: none; }
.alert-success { color: var(--teal-700); background: var(--teal-100); border-color: oklch(0.8 0.055 184); }
.form-panel { max-width: 780px; }
.form-body { padding: 24px 20px; }
.stack-form { display: grid; gap: 18px; }
.stack-form .field small, .check-field small { display: block; color: var(--color-muted); font-size: 0.75rem; font-weight: 400; }
.check-field { display: flex; align-items: flex-start; gap: 12px; min-height: 44px; }
.check-field input { width: 20px; height: 20px; flex: 0 0 20px; margin-top: 4px; accent-color: var(--color-accent); }
.check-field strong, .check-field small { display: block; }
.operation-summary { margin-bottom: 24px; padding: 18px; border: 1px solid oklch(0.84 0.05 75); border-radius: var(--radius-sm); background: var(--amber-100); }
.operation-summary strong { display: block; }
.operation-summary p { margin: 6px 0 0; color: var(--ink-700); }
.role-grid { grid-template-columns: 1fr; }
.role-grid .role-title { font-size: 1.25rem; letter-spacing: 0; }
.role-badge, .status-badge { display: inline-flex; align-items: center; min-height: 26px; padding: 3px 8px; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 700; white-space: nowrap; }
.role-viewer, .status-disabled { color: var(--ink-700); background: var(--paper-100); border: 1px solid var(--color-border); }
.role-operator { color: var(--amber-700); background: var(--amber-100); }
.role-superadmin, .status-active { color: var(--teal-700); background: var(--teal-100); }
.audit-maintenance { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; }
.audit-maintenance h2, .audit-maintenance p { margin-bottom: 0; }
.audit-maintenance p { max-width: 72ch; color: var(--color-muted); font-size: 0.82rem; }
.cleanup-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px; }
.cleanup-form .field { width: 140px; }
.monitoring-grid { align-items: start; }
.chart-wrap { padding: 20px; }
.bar-chart { display: grid; grid-template-columns: repeat(14, minmax(24px, 1fr)); gap: 6px; min-height: 220px; }
.bar-column { display: grid; grid-template-rows: 22px 160px 24px; gap: 4px; min-width: 0; text-align: center; }
.bar-value { color: var(--ink-700); font-size: 0.7rem; }
.bar-track { position: relative; height: 160px; border-bottom: 1px solid var(--color-border); background: var(--paper-100); }
.bar-fill { position: absolute; inset: 0; width: 100%; height: 100%; fill: var(--teal-600); }
.bar-column small { color: var(--color-muted); font-size: 0.62rem; white-space: nowrap; transform: rotate(-45deg); transform-origin: center; }
.trend-table { margin-top: 24px; border-top: 1px solid var(--color-border); }
.runtime-list { margin: 0; padding: 8px 20px 20px; }
.runtime-list > div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.runtime-list > div:last-child { border-bottom: 0; }
.runtime-list dt { color: var(--color-muted); font-size: 0.78rem; }
.runtime-list dd { margin: 0; font-size: 0.82rem; font-weight: 700; text-align: right; }
.table-wrap { overflow-x: auto; }

@media (min-width: 640px) {
  .role-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
  .filter-form { grid-template-columns: repeat(3, minmax(140px, 1fr)); }
  .monitoring-grid { grid-template-columns: minmax(0, 1.65fr) minmax(320px, 1fr); }
}

@media (max-width: 639px) {
  .main-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .nav-link { min-width: 0; }
  .heading-actions { width: 100%; }
  .heading-actions .button { flex: 1 1 140px; }
  .account-area { gap: 6px; }
  .account-password { font-size: 0.75rem; }
  .topbar .button { padding-inline: 10px; font-size: 0.75rem; }
  .form-body { padding: 20px 16px; }
  .bar-chart { grid-template-columns: repeat(7, minmax(32px, 1fr)); row-gap: 16px; }
  .bar-column { grid-template-rows: 20px 100px 24px; }
  .bar-track { height: 100px; }
  .bar-column small { transform: none; }
  .cleanup-form, .cleanup-form .field, .cleanup-form .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}