:root {
  --admin-sidebar-w: 270px;
  --admin-topbar-h: 64px;
}

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

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--admin-sidebar-w) 1fr;
  background: var(--lume-bg);
}

.admin-sidebar {
  grid-column: 1;
  grid-row: 1;
}

.admin-main {
  grid-column: 2;
  grid-row: 1;
}

.admin-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--lume-transition-md);
  z-index: 900;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--lume-border);
  background: color-mix(in srgb, var(--lume-bg) 94%, white);
  padding: var(--lume-space-6) var(--lume-space-4);
  overflow-y: auto;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: var(--lume-space-3);
  text-decoration: none;
  color: var(--lume-text);
  margin-bottom: var(--lume-space-6);
}

.admin-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--lume-radius-md);
  background: var(--lume-accent);
  color: var(--lume-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.admin-brand-name {
  font-family: var(--lume-font-serif);
  font-size: var(--lume-text-lg);
  font-weight: 600;
}

.admin-brand-logo {
  width: 152px;
  height: auto;
  object-fit: cover;
}

.admin-nav-group {
  margin-bottom: var(--lume-space-6);
}

.admin-nav-title {
  font-size: var(--lume-text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lume-text-subtle);
  margin: 0 0 var(--lume-space-2) var(--lume-space-2);
  font-weight: 700;
}

.admin-nav {
  list-style: none;
  display: grid;
  gap: 2px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: var(--lume-space-2);
  text-decoration: none;
  color: var(--lume-text-muted);
  font-size: var(--lume-text-sm);
  border-radius: var(--lume-radius);
  padding: 0.45rem 0.6rem;
  border: 1px solid transparent;
  transition: background var(--lume-transition), color var(--lume-transition), border-color var(--lume-transition);
}

/* Reserve icon space before Lucide replaces placeholders to avoid nav text shift */
[data-lucide],
.admin-nav i,
.admin-nav svg,
.admin-topbar i,
.admin-topbar svg,
.lume-btn i,
.lume-btn svg {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
}

.admin-nav a:hover {
  background: var(--lume-surface);
  color: var(--lume-text);
}

.admin-nav a.is-active {
  background: var(--lume-accent-light);
  border-color: color-mix(in srgb, var(--lume-accent) 20%, var(--lume-border));
  color: var(--lume-accent-dark);
  font-weight: 600;
}

.admin-main {
  min-width: 0;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--admin-topbar-h);
  border-bottom: 1px solid var(--lume-border);
  background: color-mix(in srgb, var(--lume-bg) 94%, transparent);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: var(--lume-space-3);
  padding: 0 var(--lume-space-6);
}

.admin-menu-toggle {
  display: none;
}

.admin-topbar-search {
  max-width: 420px;
  width: 100%;
  position: relative;
}

.admin-topbar-search .lume-input {
  padding-left: 2rem;
}

.admin-topbar-search svg {
  position: absolute;
  width: 16px;
  height: 16px;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--lume-text-subtle);
  pointer-events: none;
}

.admin-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--lume-space-2);
}

.admin-page {
  padding: var(--lume-space-8) var(--lume-space-8) var(--lume-space-12);
}

.admin-page-head {
  margin-bottom: var(--lume-space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--lume-space-4);
}

.admin-page-title {
  font-family: var(--lume-font-serif);
  font-size: var(--lume-text-3xl);
  line-height: 1.15;
  color: var(--lume-text);
  margin-bottom: var(--lume-space-2);
}

.admin-page-subtitle {
  color: var(--lume-text-muted);
  max-width: 66ch;
}

.admin-kpis {
  display: grid;
  gap: var(--lume-space-4);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-chart {
  border: 1px solid var(--lume-border);
  border-radius: var(--lume-radius-lg);
  padding: var(--lume-space-5);
  background: var(--lume-white);
}

.admin-chart-bars {
  height: 220px;
  display: flex;
  align-items: end;
  gap: var(--lume-space-2);
  margin-top: var(--lume-space-4);
}

.admin-chart-bar {
  flex: 1;
  border-radius: var(--lume-radius-sm) var(--lume-radius-sm) 0 0;
  background: linear-gradient(180deg, color-mix(in srgb, var(--lume-accent) 70%, white), var(--lume-accent));
}

.admin-two-col {
  display: grid;
  gap: var(--lume-space-6);
  grid-template-columns: 1.35fr 1fr;
}

.admin-three-col {
  display: grid;
  gap: var(--lume-space-6);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-section-card {
  border: 1px solid var(--lume-border);
  border-radius: var(--lume-radius-lg);
  background: var(--lume-white);
}

.admin-section-head {
  padding: var(--lume-space-4) var(--lume-space-5);
  border-bottom: 1px solid var(--lume-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--lume-space-3);
}

.admin-section-body {
  padding: var(--lume-space-5);
}

.admin-activity-item {
  display: flex;
  gap: var(--lume-space-3);
  padding: var(--lume-space-3) 0;
  border-bottom: 1px solid var(--lume-border);
}

.admin-activity-item:last-child {
  border-bottom: none;
}

.admin-activity-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lume-accent);
  margin-top: 0.4rem;
  flex-shrink: 0;
}

.admin-mini-metric {
  display: grid;
  gap: var(--lume-space-1);
}

.admin-mini-label {
  font-size: var(--lume-text-xs);
  color: var(--lume-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-mini-value {
  font-size: var(--lume-text-xl);
  font-weight: 700;
  color: var(--lume-text);
}

.admin-table-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--lume-space-2);
  margin-bottom: var(--lume-space-4);
}

.admin-code {
  margin: 0;
  border-radius: var(--lume-radius-md);
}

.admin-grid-auto {
  display: grid;
  gap: var(--lume-space-4);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.admin-auth-body {
  min-height: 100vh;
  background: var(--lume-bg);
}

.admin-auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}

.admin-auth-hero {
  padding: var(--lume-space-10);
  border-right: 1px solid var(--lume-border);
  background: color-mix(in srgb, var(--lume-surface) 70%, var(--lume-bg));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.admin-auth-title {
  font-family: var(--lume-font-serif);
  font-size: var(--lume-text-4xl);
  line-height: 1.15;
  margin: var(--lume-space-4) 0 var(--lume-space-3);
}

.admin-auth-subtitle {
  color: var(--lume-text-muted);
  max-width: 56ch;
  margin-bottom: var(--lume-space-6);
}

.admin-auth-points {
  margin-bottom: var(--lume-space-6);
}

.admin-auth-callout {
  max-width: 60ch;
}

.admin-auth-panel-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--lume-space-8);
}

.admin-auth-panel {
  width: 100%;
  max-width: 520px;
}

.admin-password-wrap {
  position: relative;
}

.admin-password-wrap .lume-input {
  padding-right: 2.8rem;
}

.admin-password-wrap .lume-btn {
  position: absolute;
  right: 0.3rem;
  top: 0.28rem;
}

.admin-field-error {
  color: var(--lume-danger);
  margin-top: 0.35rem;
}

.admin-auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--lume-text-subtle);
  font-size: var(--lume-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  gap: var(--lume-space-3);
}

.admin-auth-divider::before,
.admin-auth-divider::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--lume-border);
}

.admin-auth-sso {
  display: grid;
  gap: var(--lume-space-2);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-sso-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--lume-space-2);
}

.admin-sso-logo {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
}

@media (max-width: 1100px) {
  .admin-auth-layout {
    grid-template-columns: 1fr;
  }

  .admin-auth-hero {
    border-right: 0;
    border-bottom: 1px solid var(--lume-border);
    padding: var(--lume-space-8) var(--lume-space-6);
  }

  .admin-auth-panel-wrap {
    padding: var(--lume-space-6) var(--lume-space-4) var(--lume-space-8);
  }

  .admin-auth-title {
    font-size: var(--lume-text-3xl);
  }

  .admin-auth-sso {
    grid-template-columns: 1fr;
  }

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

  .admin-two-col,
  .admin-three-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-main {
    grid-column: 1;
    grid-row: 1;
  }

  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(86vw, 320px);
    transform: translateX(-100%);
    z-index: 1000;
    transition: transform var(--lume-transition-md);
    box-shadow: var(--lume-shadow-lg);
  }

  .admin-shell.sidebar-open .admin-sidebar {
    transform: translateX(0);
  }

  .admin-shell.sidebar-open .admin-overlay {
    opacity: 1;
    pointer-events: all;
  }

  .admin-menu-toggle {
    display: inline-flex;
  }

  .admin-page,
  .admin-topbar {
    padding-left: var(--lume-space-4);
    padding-right: var(--lume-space-4);
  }
}