* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: var(--surface-0);
  background-image: 
    radial-gradient(at 0% 0%, rgba(168, 85, 247, var(--mesh-opacity-purple)) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(0, 240, 255, var(--mesh-opacity-cyan)) 0px, transparent 50%),
    linear-gradient(rgba(148, 163, 184, var(--grid-line-opacity)) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, var(--grid-line-opacity)) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

::selection {
  background: var(--accent-soft);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: background-color 0.2s ease;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
  border: 2px solid transparent;
  background-clip: padding-box;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 12px var(--accent);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ---------- app shell ---------- */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 100vh;
}

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  padding: var(--space-4) 0;
}

.sidebar__brand {
  padding: 0 var(--space-4) var(--space-5);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.sidebar__brand-mark {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--sidebar-brand);
  letter-spacing: 0.05em;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.sidebar__brand-sub {
  font-size: var(--text-xs);
  color: var(--sidebar-text);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-4);
  color: var(--sidebar-text);
  font-size: var(--text-sm);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
  user-select: none;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
  box-shadow: inset 4px 0 0 rgba(0, 240, 255, 0.2);
}

.nav-item.is-active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
  border-left-color: var(--sidebar-brand);
  box-shadow: inset 0 0 12px rgba(0, 240, 255, 0.08);
}

.nav-item__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.85;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.nav-item:hover .nav-item__icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 4px var(--sidebar-brand));
}

.sidebar__site {
  padding: 0 var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar__site-label {
  font-size: var(--text-xs);
  color: var(--sidebar-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-select {
  background: var(--sidebar-hover);
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius-sm);
  color: var(--sidebar-text-active);
  padding: 7px 10px;
  font-size: var(--text-sm);
}

.site-select:focus {
  border-color: var(--sidebar-brand);
  outline: none;
}

.sidebar__site-value {
  color: var(--sidebar-text-active);
  font-size: var(--text-sm);
  padding: 7px 0;
}

.sidebar__footer {
  margin-top: auto;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar__user-name {
  color: var(--sidebar-text-active);
  font-size: var(--text-sm);
  font-weight: 600;
}

.sidebar__user-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar__user-actions .btn {
  justify-content: center;
  background: transparent;
  border-color: var(--sidebar-border);
  color: var(--sidebar-text);
}

.sidebar__user-actions .btn:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

/* ---------- login overlay ---------- */

.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--surface-0);
  background-image: 
    radial-gradient(at 0% 0%, rgba(168, 85, 247, var(--mesh-opacity-purple)) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(0, 240, 255, var(--mesh-opacity-cyan)) 0px, transparent 50%),
    linear-gradient(rgba(148, 163, 184, var(--grid-line-opacity)) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, var(--grid-line-opacity)) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.login-overlay[hidden] {
  display: none;
}

.login-card {
  background: rgba(var(--surface-2-rgb), 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: var(--space-6);
  width: 380px;
  max-width: calc(100vw - 48px);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.login-card__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-2);
}

.login-card__brand .sidebar__brand-mark {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
  font-weight: 700;
}

.login-card__brand-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.login-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-2);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.login-card .field input {
  min-width: 0;
  width: 100%;
}

.login-card__submit {
  justify-content: center;
  margin-top: var(--space-2);
  width: 100%;
}

.login-card__recovery-divider {
  color: var(--text-muted);
  font-size: var(--text-xs);
  margin-top: var(--space-4);
  text-align: center;
}

.login-card__recovery-status {
  color: var(--text-muted);
  font-size: var(--text-xs);
  line-height: 1.5;
  margin-top: var(--space-3);
}

.login-card__recovery-status.is-error {
  color: var(--status-critical);
}

.login-card__recovery-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.login-card__recovery-item {
  align-items: center;
  background: rgba(var(--surface-2-rgb), 0.65);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  gap: var(--space-2);
  justify-content: space-between;
  padding: var(--space-2);
}

.login-card__recovery-item > div {
  min-width: 0;
}

.login-card__recovery-item strong,
.login-card__recovery-item small {
  display: block;
  overflow-wrap: anywhere;
}

.login-card__recovery-item small {
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---------- main column ---------- */

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: transparent;
}

.topbar {
  height: var(--topbar-height);
  background: rgba(var(--surface-1-rgb), 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-5);
  flex-shrink: 0;
  z-index: 10;
}

.topbar__title {
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.topbar__actions {
  display: flex;
  gap: var(--space-2);
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
}

.view {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}

.view.is-active {
  display: flex;
  animation: viewReveal 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* ---------- cards ---------- */

.card {
  background: var(--surface-2);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.card:hover {
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.02);
}

.card__header {
  padding: var(--space-4) var(--space-4) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card__body {
  padding: var(--space-4);
}

/* ---------- stat cards ---------- */

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

.stat-card {
  background: var(--surface-2);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 240, 255, 0.05);
}

.stat-card--good { border-left-color: var(--status-good); }
.stat-card--good:hover { border-left-color: var(--status-good); }
.stat-card--warning { border-left-color: var(--status-warning); }
.stat-card--warning:hover { border-left-color: var(--status-warning); }
.stat-card--violet { border-left-color: var(--accent-violet); }
.stat-card--violet:hover { border-left-color: var(--accent-violet); }

.stat-card__label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-card__value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-top: var(--space-2);
  color: var(--text-primary);
}

/* ---------- two-column panels ---------- */

.panel-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-4);
}

/* ---------- alerts ---------- */

.alert-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.alert-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(var(--status-warning-rgb), 0.03);
  border: 1px solid rgba(var(--status-warning-rgb), 0.15);
  border-left: 4px solid var(--status-warning);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.alert-row:hover {
  transform: translateX(3px);
  background: rgba(var(--status-warning-rgb), 0.06);
}

.alert-row.is-critical {
  background: rgba(var(--status-critical-rgb), 0.03);
  border: 1px solid rgba(var(--status-critical-rgb), 0.15);
  border-left-color: var(--status-critical);
  animation: alertPulse 2s infinite ease-in-out;
}

.alert-row.is-critical:hover {
  background: rgba(var(--status-critical-rgb), 0.06);
}

@keyframes alertPulse {
  0% {
    box-shadow: 0 0 4px rgba(var(--status-critical-rgb), 0.1);
    border-color: rgba(var(--status-critical-rgb), 0.15);
  }
  50% {
    box-shadow: 0 0 12px rgba(var(--status-critical-rgb), 0.25);
    border-color: rgba(var(--status-critical-rgb), 0.4);
  }
  100% {
    box-shadow: 0 0 4px rgba(var(--status-critical-rgb), 0.1);
    border-color: rgba(var(--status-critical-rgb), 0.15);
  }
}

.alert-row__meta {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.alert-row__more {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--text-xs);
  padding: var(--space-1);
}

.empty-state {
  color: var(--text-muted);
  font-size: var(--text-sm);
  padding: var(--space-4);
  text-align: center;
}

.view-state {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--text-secondary);
  text-align: center;
}

.loading-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.view-state__title {
  color: var(--status-critical);
  font-weight: 600;
}

.view-state__message {
  max-width: 560px;
  font-size: var(--text-sm);
}

/* ---------- badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 500;
  white-space: nowrap;
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge--good { background: var(--status-good-soft); color: var(--status-good); }
.badge--good .badge__dot { background: var(--status-good); }
.badge--warning { background: var(--status-warning-soft); color: var(--status-warning); }
.badge--warning .badge__dot { background: var(--status-warning); }
.badge--critical { background: var(--status-critical-soft); color: var(--status-critical); }
.badge--critical .badge__dot { background: var(--status-critical); }
.badge--muted { background: var(--status-muted-soft); color: var(--text-secondary); }
.badge--muted .badge__dot { background: var(--status-muted); }
.badge--accent { background: var(--accent-soft); color: var(--accent); }
.badge--accent .badge__dot { background: var(--accent); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(var(--surface-3-rgb), 0.5);
  backdrop-filter: blur(4px);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.btn[hidden] {
  display: none;
}

.btn:hover {
  background: rgba(var(--surface-3-rgb), 0.85);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-violet));
  border: none;
  color: var(--btn-primary-text);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 240, 255, 0.25);
  text-shadow: 0 0 1px rgba(255, 255, 255, 0.4);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #38bdf8, #c084fc);
  box-shadow: 0 6px 18px rgba(0, 240, 255, 0.45);
}

.btn--danger {
  color: #ffffff;
  border: none;
  background: linear-gradient(135deg, var(--status-critical), #f43f5e);
  box-shadow: 0 4px 14px rgba(var(--status-critical-rgb), 0.25);
}

.btn--danger:hover {
  background: linear-gradient(135deg, #ff4d6d, #f43f5e);
  box-shadow: 0 6px 18px rgba(var(--status-critical-rgb), 0.45);
}

.btn--sm {
  padding: 5px 10px;
  font-size: var(--text-xs);
}

.btn--wide {
  min-width: 200px;
  justify-content: center;
  padding-top: 12px;
  padding-bottom: 12px;
}

.report-export-row {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding-top: var(--space-2);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:disabled:hover {
  background: var(--surface-3);
}

/* ---------- pagination ---------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding-top: var(--space-3);
}

.pagination__info {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* ---------- filter bar ---------- */

.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.filter-summary {
  align-self: center;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: rgba(var(--surface-2-rgb), 0.45);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field[hidden] {
  display: none;
}

.field__label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.field input,
.field select,
.field textarea {
  background: rgba(var(--surface-2-rgb), 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text-primary);
  min-width: 160px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.field .input--wide {
  width: min(100%, 680px);
  min-width: 0;
}

.field input[data-kind="mono"],
.field input[type="number"],
.field input[data-kind="date"] {
  font-family: var(--font-mono);
}

.field textarea {
  min-height: 64px;
  resize: vertical;
  font-family: var(--font-ui);
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: rgba(var(--surface-2-rgb), 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
}

.checklist__item input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  background: rgba(var(--surface-3-rgb), 0.8);
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
  outline: none;
}

/* ---------- tables ---------- */

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-sm);
}

thead th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px var(--space-3);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  white-space: nowrap;
  background: rgba(var(--surface-1-rgb), 0.4);
  position: sticky;
  top: 0;
  z-index: 1;
}

tbody td {
  padding: 12px var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  white-space: nowrap;
}

tbody td[data-kind="mono"] {
  font-family: var(--font-mono);
}

tbody tr {
  transition: background-color 0.15s ease;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.02) !important;
}

tbody tr.is-selected {
  background: rgba(0, 240, 255, 0.05) !important;
}

.row-actions {
  display: flex;
  gap: var(--space-2);
}

.row-actions--inline {
  display: inline-flex;
  margin-left: var(--space-2);
}

/* ---------- modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(var(--surface-0-rgb), 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.is-open {
  display: flex;
  animation: fadeIn 0.25s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: rgba(var(--surface-2-rgb), 0.8);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 520px;
  max-width: calc(100vw - 48px);
  max-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalScaleUp {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal__header {
  padding: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal__title {
  font-size: var(--text-md);
  font-weight: 600;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.modal__close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: var(--text-md);
  transition: color 0.15s ease;
}

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

.modal__body {
  padding: var(--space-4);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal__footer {
  padding: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.modal__error {
  display: none;
  background: var(--status-critical-soft);
  color: var(--status-critical);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

.modal__error.is-visible {
  display: block;
}

/* ---------- charts ---------- */

.chart-card svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(var(--surface-2-rgb), 0.85) !important;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 240, 255, 0.25) !important;
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--text-primary);
  opacity: 0;
  transition: opacity 100ms ease;
  white-space: nowrap;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.chart-tooltip.is-visible {
  opacity: 1;
}

.chart-legend {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chart-legend__swatch {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

/* ---------- viewer role: hide mutating controls (server enforces too) ---------- */

body.role-viewer #topbar-actions .btn--primary,
body.role-viewer .row-actions {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* ---------- mobile (phones/small tablets) ---------- */

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: flex;
  }

  .sidebar {
    position: fixed;
    inset: 0 25% 0 0;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

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

  .sidebar-backdrop.is-open {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 190;
  }

  .topbar {
    padding: 0 var(--space-3);
  }

  .topbar__title {
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .content {
    padding: var(--space-3);
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .panel-row {
    grid-template-columns: 1fr;
  }

  .modal {
    width: calc(100vw - 24px);
    max-width: calc(100vw - 24px);
    max-height: calc(100vh - 32px);
  }

  .field input,
  .field select,
  .field textarea {
    min-width: 0;
  }

  .filter-bar > .field {
    flex: 1 1 160px;
  }

  .report-export-row {
    flex-direction: column;
  }

  .report-export-row .btn--wide {
    width: 100%;
    min-width: 0;
  }

  .row-actions {
    flex-wrap: wrap;
  }

  .summary-strip {
    flex-direction: column;
    gap: var(--space-2);
  }
}

@media (max-width: 420px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
}