:root {
  --shell-bg: color-mix(in srgb, var(--surface) 92%, #f59e0b 8%);
  --shell-sidebar: color-mix(in srgb, var(--surface-elevated) 88%, #0ea5e9 12%);
  --shell-card: var(--surface-elevated);
  --shell-border: color-mix(in srgb, var(--border) 85%, #0f172a 15%);
  --shell-danger: #dc2626;
  --shell-success: #16a34a;
  --shell-warning: #d97706;
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 92px;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(circle at 8% 16%, rgba(14, 165, 233, 0.12), transparent 34%),
    radial-gradient(circle at 78% 10%, rgba(245, 158, 11, 0.14), transparent 40%),
    var(--shell-bg);
}

body[data-sidebar-collapsed='1'] .studio-shell {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

body[data-sidebar-collapsed='1'] .shell-link-label,
body[data-sidebar-collapsed='1'] .subnav-title,
body[data-sidebar-collapsed='1'] .shell-nav-secondary,
body[data-sidebar-collapsed='1'] .brand-link {
  display: none;
}

body[data-sidebar-collapsed='1'] .shell-brand-row {
  justify-content: center;
}

body[data-sidebar-collapsed='1'] #studioCollapseToggle {
  transform: rotate(180deg);
}

.studio-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  transition: grid-template-columns 0.18s ease;
}

.studio-sidebar {
  background: var(--shell-sidebar);
  border-right: 1px solid var(--shell-border);
  padding: 18px 14px;
  display: grid;
  gap: 14px;
  align-content: start;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  z-index: 25;
}

.shell-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 18px;
  min-height: 44px;
}

.shell-nav-primary,
.shell-nav-secondary {
  display: grid;
  gap: 8px;
}

.shell-link,
.subnav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  min-height: 44px;
}

.shell-link:hover,
.subnav-link:hover {
  border-color: var(--shell-border);
  color: var(--text-primary);
}

.shell-link.active,
.subnav-link.active {
  color: var(--text-primary);
  border-color: var(--brand-secondary);
  background: color-mix(in srgb, var(--brand-secondary) 14%, transparent);
}

.shell-link-icon {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 26px;
  border-radius: 999px;
  border: 1px solid var(--shell-border);
}

.subnav-title {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 700;
  margin-top: 4px;
}

.studio-main {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
}

.studio-topbar {
  padding: 16px 22px;
  border-bottom: 1px solid var(--shell-border);
  background: color-mix(in srgb, var(--surface-elevated) 92%, #f8fafc 8%);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-left {
  display: grid;
  gap: 4px;
}

.topbar-actions-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-left h1 {
  margin: 0;
  font-size: clamp(20px, 3vw, 32px);
  letter-spacing: -0.02em;
}

.topbar-left p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mobile-only {
  display: none;
}

.studio-content {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 20px 22px 32px;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--shell-card);
  border: 1px solid var(--shell-border);
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.panel-critical {
  border-color: color-mix(in srgb, var(--shell-danger) 50%, var(--shell-border));
}

h2,
h3,
p {
  margin: 0;
}

p {
  color: var(--text-secondary);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.row {
  display: grid;
  gap: 6px;
}

label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 700;
}

select,
input,
textarea,
button {
  font-family: inherit;
  min-height: 44px;
}

.field-inline {
  display: inline-grid;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.field-inline select,
.field-inline input,
input,
select,
textarea,
button {
  border: 1px solid var(--shell-border);
  border-radius: 10px;
  background: transparent;
  color: var(--text-primary);
  padding: 10px 12px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--shell-border);
  border-radius: 10px;
  padding: 10px 12px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 700;
  min-height: 44px;
}

.icon-button {
  border-radius: 999px;
  min-width: 44px;
  padding: 0 10px;
  font-size: 12px;
}

.button.primary {
  background: var(--brand-secondary);
  border-color: var(--brand-secondary);
  color: #0b1120;
}

.button.danger {
  border-color: color-mix(in srgb, var(--shell-danger) 55%, var(--shell-border));
  color: var(--shell-danger);
}

.button.success {
  border-color: color-mix(in srgb, var(--shell-success) 55%, var(--shell-border));
  color: var(--shell-success);
}

.pill {
  border: 1px solid var(--shell-border);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-secondary);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button-row .button {
  width: auto;
}

.status {
  min-height: 18px;
  font-size: 13px;
  color: var(--text-secondary);
}

.status-error {
  color: var(--shell-danger);
}

.status-success {
  color: var(--shell-success);
}

.status-warning {
  color: var(--shell-warning);
}

.hidden {
  display: none !important;
}

.metric-value {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.list {
  display: grid;
  gap: 8px;
}

.item {
  border: 1px solid var(--shell-border);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 4px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.table th,
.table td {
  padding: 8px;
  border-bottom: 1px solid var(--shell-border);
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

.table th {
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-toolbar {
  display: grid;
  gap: 10px;
}

.saved-view-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.saved-view-row select {
  min-width: 190px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--shell-border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-secondary);
}

.chip button {
  min-width: 44px;
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  padding: 0;
  border-radius: 999px;
  cursor: pointer;
}

.entity-header {
  display: grid;
  gap: 10px;
}

.entity-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.entity-kpi {
  border: 1px solid var(--shell-border);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 4px;
}

.entity-kpi strong {
  font-size: 20px;
}

.action-reco {
  border-left: 3px solid var(--brand-secondary);
  padding-left: 10px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab-button {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--shell-border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 700;
  cursor: pointer;
}

.tab-button.active {
  background: color-mix(in srgb, var(--brand-secondary) 15%, transparent);
  border-color: var(--brand-secondary);
  color: var(--text-primary);
}

.tab-panel {
  display: grid;
  gap: 12px;
}

.tab-panel[hidden] {
  display: none !important;
}

.audit-timeline {
  display: grid;
  gap: 8px;
}

.audit-event {
  border: 1px solid var(--shell-border);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 4px;
}

.command-palette.hidden {
  display: none;
}

.command-palette {
  position: fixed;
  inset: 0;
  z-index: 60;
}

.command-palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
}

.command-palette-panel {
  position: relative;
  width: min(760px, 92vw);
  margin: 10vh auto 0;
  background: var(--shell-card);
  border: 1px solid var(--shell-border);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 8px;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.24);
}

.command-input {
  width: 100%;
}

.command-results {
  max-height: min(52vh, 420px);
  overflow: auto;
  display: grid;
  gap: 6px;
}

.command-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  text-decoration: none;
  border: 1px solid var(--shell-border);
  border-radius: 10px;
  color: var(--text-primary);
  padding: 10px;
  min-height: 44px;
}

.admin-overlay-root {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 65;
  display: grid;
  gap: 8px;
}

.admin-toast {
  background: var(--shell-card);
  border: 1px solid var(--shell-border);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 10px 12px;
  min-width: 220px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.admin-toast.error {
  border-color: color-mix(in srgb, var(--shell-danger) 60%, var(--shell-border));
}

.admin-toast.closing {
  opacity: 0;
  transform: translateY(4px);
  transition: all 0.16s ease;
}

.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: grid;
  place-items: center;
  z-index: 70;
  padding: 12px;
}

.admin-modal {
  width: min(560px, 96vw);
  background: var(--shell-card);
  border: 1px solid var(--shell-border);
  border-radius: 14px;
  display: grid;
  gap: 10px;
  padding: 12px;
}

.admin-modal.destructive {
  border-color: color-mix(in srgb, var(--shell-danger) 45%, var(--shell-border));
}

.admin-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.admin-modal-body,
.admin-modal-footer {
  display: grid;
  gap: 8px;
}

.admin-modal-footer {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.studio-drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  border: 0;
  padding: 0;
  margin: 0;
  z-index: 20;
}

.mobile-action-tray {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--surface-elevated) 95%, #0f172a 5%);
  border-top: 1px solid var(--shell-border);
}

.mobile-action-tray-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (max-width: 1023px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 767px) {
  .studio-shell,
  body[data-sidebar-collapsed='1'] .studio-shell {
    grid-template-columns: 1fr;
  }

  .studio-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(88vw, 320px);
    height: 100vh;
    transform: translateX(-102%);
    transition: transform 0.2s ease;
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.3);
  }

  body[data-drawer-open='1'] .studio-sidebar {
    transform: translateX(0);
  }

  body[data-drawer-open='1'] .studio-drawer-backdrop {
    display: block;
  }

  .mobile-only {
    display: inline-flex;
  }

  #studioCollapseToggle {
    display: none;
  }

  .studio-topbar {
    padding: 14px;
  }

  .topbar-right {
    width: 100%;
  }

  .topbar-right .button {
    margin-left: auto;
  }

  .studio-content {
    padding: 14px;
    width: 100%;
  }

  body.has-mobile-action-tray .studio-content {
    padding-bottom: 100px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .table {
    min-width: 0;
    display: block;
  }

  .table thead {
    display: none;
  }

  .table tbody {
    display: grid;
    gap: 8px;
  }

  .table tr {
    display: grid;
    gap: 6px;
    border: 1px solid var(--shell-border);
    border-radius: 12px;
    padding: 8px;
  }

  .table td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    border: 0;
    padding: 4px 0;
  }

  .table td::before {
    content: attr(data-label);
    color: var(--text-secondary);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    max-width: 45%;
  }

  .command-palette-panel {
    margin-top: 8vh;
  }

  .mobile-action-tray {
    display: block;
  }

  .saved-view-row,
  .tabs {
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .saved-view-row > * {
    flex: 0 0 auto;
  }
}