:root {
  --background: #f5f6f8;
  --surface: #ffffff;
  --surface-muted: #f8f9fb;
  --text: #181b20;
  --muted: #68707c;
  --border: #e2e5ea;
  --border-strong: #cfd4dc;
  --accent: #5b57e6;
  --accent-hover: #4945cf;
  --success: #16845b;
  --warning: #b17618;
  --danger: #cc4c4c;
  --success-soft: #eef8f3;
  --warning-soft: #fff7e7;
  --danger-soft: #fff0f0;
  --shadow: 0 10px 30px rgba(21, 27, 38, 0.055);
  --max-width: 1160px;
}

html[data-theme="dark"] {
  --background: #111315;
  --surface: #191c1f;
  --surface-muted: #202428;
  --text: #f1f3f5;
  --muted: #a6adb7;
  --border: #2c3137;
  --border-strong: #414850;
  --accent: #8e88ff;
  --accent-hover: #a29dff;
  --success: #67ce9f;
  --warning: #e4af5e;
  --danger: #ef8585;
  --success-soft: #172720;
  --warning-soft: #2b2418;
  --danger-soft: #2c1a1a;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color-scheme: light;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.topbar {
  width: min(var(--max-width), calc(100% - 40px));
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  letter-spacing: -0.025em;
}

.brand-main {
  font-size: 1.02rem;
  font-weight: 780;
}

.brand-sub {
  padding-left: 9px;
  border-left: 1px solid var(--border-strong);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 620;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-email {
  color: var(--muted);
  font-size: 0.8rem;
}

.theme-toggle,
.outline-button,
.primary-button {
  min-height: 42px;
  border-radius: 9px;
  font-weight: 700;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    transform 150ms ease;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.76rem;
}

.theme-icon {
  width: 11px;
  height: 11px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

html[data-theme="dark"] .theme-icon {
  background: currentColor;
}

.card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.primary-button,
.outline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 15px;
}

.primary-button {
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
}

.primary-button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
}

.outline-button {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
}

.outline-button:hover,
.theme-toggle:hover {
  border-color: var(--border-strong);
}

.outline-button.small {
  min-height: 36px;
  padding: 7px 11px;
  font-size: 0.78rem;
}

.full-width {
  width: 100%;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 780;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.052em;
  font-weight: 730;
}

h2 {
  margin-bottom: 0;
  font-size: 1.3rem;
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 0;
  font-size: 1.08rem;
  letter-spacing: -0.025em;
}

.lead {
  color: var(--muted);
  font-size: 1rem;
}

.dashboard {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 64px;
  flex: 1;
}

.welcome-section {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.welcome-section .lead {
  margin: 12px 0 0;
}

.status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
}

.status-card.success {
  background: var(--success-soft);
}

.status-card.warning {
  background: var(--warning-soft);
}

.status-card.danger {
  background: var(--danger-soft);
}

.status-main {
  display: flex;
  align-items: center;
  gap: 13px;
}

.status-dot {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--muted);
}

.status-card.success .status-dot {
  background: var(--success);
}

.status-card.warning .status-dot {
  background: var(--warning);
}

.status-card.danger .status-dot {
  background: var(--danger);
}

.status-main p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.status-card > a {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 730;
  white-space: nowrap;
}

.section-block {
  padding-top: 46px;
}

.section-header,
.card-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 25px;
  margin-bottom: 18px;
}

.section-header > p {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.84rem;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.action-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  transition:
    transform 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.action-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.action-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.action-label {
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.action-arrow {
  color: var(--muted);
  font-size: 1.05rem;
}

.action-card > p {
  margin: 10px 0 22px;
  color: var(--muted);
  font-size: 0.86rem;
}

.action-footer {
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 720;
}

.details-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 16px;
  padding-top: 16px;
}

.systems-card,
.account-card {
  padding: 22px;
}

.muted {
  color: var(--muted);
  font-size: 0.74rem;
}

.system-list {
  border-top: 1px solid var(--border);
}

.system-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--border);
}

.system-name p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.system-state {
  display: flex;
  align-items: center;
  gap: 15px;
  white-space: nowrap;
}

.uptime {
  color: var(--muted);
  font-size: 0.75rem;
}

.state-label {
  min-width: 100px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 700;
}

.state-label i,
.node-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--danger);
}

.state-label.up {
  color: var(--success);
}

.state-label.up i,
.node-badge.up i {
  background: var(--success);
}

.state-label.degraded {
  color: var(--warning);
}

.state-label.degraded i {
  background: var(--warning);
}

.state-label.down {
  color: var(--danger);
}

.node-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 11px 0 17px;
  border-bottom: 1px solid var(--border);
}

.node-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.71rem;
}

.account-person {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 18px 0 24px;
}

.avatar {
  width: 48px;
  height: 48px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  background: var(--accent);
  font-weight: 780;
}

.account-person h2 {
  font-size: 1.02rem;
}

.account-person p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.account-info {
  margin-bottom: 18px;
  border-top: 1px solid var(--border);
}

.account-info > div {
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}

.account-info span,
.account-info strong {
  display: block;
}

.account-info span {
  color: var(--muted);
  font-size: 0.7rem;
}

.account-info strong {
  margin-top: 3px;
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.help-card {
  margin-top: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.help-card h2 {
  max-width: 660px;
}

.help-card p {
  max-width: 700px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 23px 0 30px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.76rem;
}

.footer div {
  display: flex;
  gap: 17px;
}

.login-page {
  width: min(var(--max-width), calc(100% - 40px));
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.7fr);
  gap: 16px;
  padding: 45px 0 58px;
}

.login-intro,
.login-card {
  padding: 30px;
}

.login-intro {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.intro-content {
  max-width: 690px;
}

.intro-content .lead {
  max-width: 620px;
  margin: 18px 0 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 40px;
}

.intro-item {
  min-height: 108px;
  display: flex;
  gap: 12px;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-muted);
}

.item-index {
  color: var(--accent);
  font-size: 0.67rem;
  font-weight: 760;
}

.intro-item strong {
  font-size: 0.86rem;
}

.intro-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.login-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-card h2 {
  font-size: 1.65rem;
}

.login-description {
  margin: 10px 0 23px;
  color: var(--muted);
  font-size: 0.88rem;
}

.security-note {
  margin-top: 20px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-muted);
}

.security-note strong {
  font-size: 0.78rem;
}

.security-note p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.alert {
  margin-bottom: 18px;
  padding: 11px 12px;
  border-radius: 9px;
  font-size: 0.8rem;
}

.alert.danger {
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, var(--border));
}

.error-layout {
  width: min(680px, calc(100% - 40px));
  margin: auto;
  padding: 70px 0;
}

.error-card {
  padding: 34px;
}

.error-card p {
  margin: 17px 0 25px;
  color: var(--muted);
}

.empty-state {
  padding: 24px 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .login-page,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .login-intro {
    min-height: auto;
  }

  .action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .topbar,
  .dashboard,
  .footer,
  .login-page,
  .error-layout {
    width: calc(100% - 24px);
  }

  .topbar {
    height: 64px;
  }

  .dashboard {
    padding: 36px 0 50px;
  }

  .welcome-section,
  .section-header,
  .card-header,
  .system-row,
  .help-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .action-grid,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .action-card:last-child {
    grid-column: auto;
  }

  .action-card {
    min-height: 210px;
  }

  .system-state {
    width: 100%;
    justify-content: space-between;
  }

  .user-email {
    display: none;
  }

  .login-page {
    padding-top: 28px;
  }

  .login-intro,
  .login-card {
    padding: 22px;
  }

  .footer {
    gap: 10px;
    flex-direction: column;
  }
}