/* Cards */
.card {
  position: relative;
  min-width: 0;
  padding: 1.15rem 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 1rem;
  bottom: 1rem;
  width: 2px;
  background: var(--accent, var(--line));
  box-shadow: 0 0 1rem rgba(var(--accent-rgb), 0.18);
}
.card.is-interactive { cursor: pointer; transition: border-color var(--fast), transform var(--fast), background var(--fast); }
.card.is-interactive:hover { border-color: rgba(var(--accent-rgb), 0.7); background: var(--surface-hover); transform: translateY(-0.12rem); }
.card p:last-child { margin-bottom: 0; }
.card.compact { padding: 0.9rem 1rem; }
.card.flush { padding: 0; overflow: hidden; }

.metric {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 2.55rem;
  line-height: 1;
  font-weight: 750;
  color: var(--text-1);
  margin: 0.55rem 0;
  white-space: nowrap;
}
.metric-unit { font-size: 0.95rem; color: var(--text-3); font-weight: 600; }
.metric-delta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--green); }
.metric-delta.negative { color: var(--red); }

/* Buttons */
.button,
.icon-button,
.segmented button,
.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.48rem;
  min-height: 2.35rem;
  border: 1px solid rgba(var(--accent-rgb), 0.65);
  border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), 0.06);
  color: var(--text-1);
  padding: 0.54rem 0.88rem;
  font-weight: 680;
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform var(--fast) var(--ease-out),
    background var(--fast),
    border-color var(--fast),
    box-shadow var(--fast);
}
.button:hover,
.icon-button:hover,
.segmented button:hover,
.filter-chip:hover {
  transform: translateY(-0.1rem);
  background: rgba(var(--accent-rgb), 0.13);
  border-color: var(--accent);
  box-shadow: var(--glow);
}
.button:active, .icon-button:active { transform: translateY(0); }

.button:disabled,
.icon-button:disabled {
  opacity: 0.32;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button.primary { background: rgba(var(--accent-rgb), 0.17); }
.button.ghost { border-color: var(--line); background: transparent; color: var(--text-2); }
.button.ghost:hover { border-color: var(--accent); color: var(--text-1); }
.button.danger { --accent: var(--red); --accent-rgb: var(--red-rgb); }
.button.small { min-height: 1.9rem; padding: 0.35rem 0.63rem; font-size: 0.72rem; }
.button[aria-pressed="true"], .filter-chip.is-active, .segmented button.is-active {
  background: rgba(var(--accent-rgb), 0.22);
  border-color: var(--accent);
  color: var(--text-1);
}
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 2.45rem;
  min-width: 2.45rem;
  height: 2.45rem;
  min-height: 2.45rem;
  padding: 0;
  border-radius: 50%;
  color: var(--icon-color, var(--cyan));
  line-height: 0;
}
.icon-button .control-icon {
  display: block;
  width: 1.05rem;
  height: 1.05rem;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-button .control-icon * { vector-effect: non-scaling-stroke; }
.icon-button .control-icon-close {
  width: 1rem;
  height: 1rem;
  stroke-width: 1.9;
}
.icon-button .control-icon-arrow {
  width: 1.15rem;
  height: 1.15rem;
  stroke-width: 1.4;
}
.icon-button .control-icon-fill {
  fill: currentColor;
  stroke: none;
}
.icon { width: 1.05rem; height: 1.05rem; flex: 0 0 auto; }

/* Navigation UI */
.ui-layer { position: absolute; inset: 0; z-index: 30; pointer-events: none; }
.ui-layer > * { pointer-events: auto; }

.deck-controls {
  position: absolute;
  right: 1.2rem;
  bottom: 1rem;
  display: flex;
  gap: 0.48rem;
  padding: 0.45rem;
  background: var(--control-bar-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(14px);
  opacity: 0;
  transform: translateY(0.65rem);
  transition: opacity var(--normal), transform var(--normal);
}
.deck-stage:hover .deck-controls,
.deck-stage.ui-visible .deck-controls,
.deck-controls:focus-within { opacity: 1; transform: translateY(0); }

.deck-status {
  position: absolute;
  left: 1.3rem;
  bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.86;
}
.deck-section { color: var(--text-2); font-family: var(--font-sans); font-weight: 700; }

.progress-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0.18rem;
  background: var(--progress-track-bg);
}
.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--amber));
  transition: width var(--normal) var(--ease-out);
  box-shadow: 0 0 0.8rem rgba(var(--cyan-rgb), 0.35);
}

/* Badges and status */
.badge, .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  width: fit-content;
  padding: 0.25rem 0.52rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--text-2);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge::before, .status-chip::before { content: ""; width: 0.42rem; height: 0.42rem; border-radius: 50%; background: currentColor; }
.status-good { color: var(--green); border-color: rgba(var(--green-rgb), 0.35); }
.status-warning { color: var(--amber); border-color: rgba(var(--amber-rgb), 0.35); }
.status-critical { color: var(--red); border-color: rgba(var(--red-rgb), 0.35); }
.status-info { color: var(--cyan); border-color: rgba(var(--cyan-rgb), 0.35); }

/* Tables */
.table-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 0;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-inset);
}
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--line);
}
.table-search {
  width: min(22rem, 48%);
  height: 2.2rem;
  padding: 0 0.75rem;
  color: var(--text-1);
  background: var(--input-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.table-scroll { min-height: 0; overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th, td { padding: 0.72rem 0.8rem; text-align: left; border-bottom: 1px solid var(--line-soft); }
th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-solid);
  color: var(--text-2);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
th button {
  all: unset;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}
th button::after { content: "↕"; color: var(--text-3); font-size: 0.7rem; }
th[aria-sort="ascending"] button::after { content: "↑"; color: var(--accent); }
th[aria-sort="descending"] button::after { content: "↓"; color: var(--accent); }
tbody tr { transition: background var(--fast); }
tbody tr:hover { background: rgba(var(--cyan-rgb), 0.055); }
tbody tr.is-hidden { display: none; }
td.number { font-family: var(--font-mono); text-align: right; font-variant-numeric: tabular-nums; }
.table-meta { padding: 0.48rem 0.8rem; color: var(--text-3); font-size: 0.7rem; }

/* Dialogs / popovers */
dialog {
  width: min(58rem, 88vw);
  max-height: 84vh;
  padding: 0;
  color: var(--text-1);
  background: var(--surface-strong);
  border: 1px solid var(--dialog-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), 0 0 2rem rgba(var(--cyan-rgb), 0.08);
  overflow: hidden;
}
dialog::backdrop { background: var(--dialog-backdrop); backdrop-filter: blur(7px); }
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
}
.dialog-header h3 { margin: 0; }
.dialog-body { padding: 1.15rem; overflow: auto; max-height: calc(84vh - 4.5rem); }
.dialog-wide { width: min(86rem, 94vw); }
.dialog-full { width: min(96rem, 96vw); height: min(52rem, 92vh); }

.popover {
  position: fixed;
  z-index: 100;
  width: min(22rem, calc(100vw - 2rem));
  padding: 0.85rem 0.95rem;
  background: var(--surface-strong);
  border: 1px solid var(--accent, var(--cyan));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md), var(--glow);
  transform-origin: top left;
}
.popover[hidden] { display: none; }
.popover h4 { margin-bottom: 0.35rem; }
.popover p { font-size: 0.9rem; margin: 0; }

/* Tabs and accordions */
.tabs { display: grid; grid-template-rows: auto 1fr; min-height: 0; }
.tab-list { display: flex; gap: 0.45rem; border-bottom: 1px solid var(--line); padding-bottom: 0.55rem; }
.tab-button {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-3);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  font-weight: 700;
}
.tab-button[aria-selected="true"] { color: var(--text-1); border-color: var(--accent); }
.tab-panel { display: none; padding-top: 0.85rem; }
.tab-panel.is-active { display: block; }

details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}
details + details { margin-top: 0.55rem; }
summary { cursor: pointer; padding: 0.75rem 0.85rem; color: var(--text-1); font-weight: 700; }
details > div { padding: 0 0.85rem 0.8rem; color: var(--text-2); }

/* Charts */
x-chart { display: grid; grid-template-rows: 1fr auto; min-height: 0; height: 100%; }
.chart-shell {
  position: relative;
  min-height: 0;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--chart-bg);
  overflow: hidden;
}
.chart-shell svg { width: 100%; height: 100%; display: block; overflow: visible; }
.chart-grid { stroke: var(--chart-grid); stroke-width: 1; }
.chart-axis { stroke: var(--chart-axis); stroke-width: 1; }
.chart-label { fill: var(--text-3); font-family: var(--font-mono); font-size: 12px; }
.chart-line { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 7px rgba(var(--cyan-rgb), 0.14)); }
.chart-point { cursor: pointer; stroke: var(--bg-0); stroke-width: 2; }
.chart-bar { cursor: pointer; opacity: 0.82; transition: opacity var(--fast); }
.chart-bar:hover, .chart-point:hover { opacity: 1; }
.chart-area { opacity: 0.12; }
.chart-empty { display: grid; place-items: center; height: 100%; color: var(--text-3); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 0.45rem 0.8rem; padding-top: 0.55rem; }
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  border: 0;
  background: transparent;
  color: var(--text-2);
  font-size: 0.72rem;
  cursor: pointer;
}
.legend-item::before { content: ""; width: 0.72rem; height: 0.2rem; background: var(--legend-color); border-radius: var(--radius-pill); box-shadow: 0 0 0.5rem var(--legend-color); }
.legend-item.is-muted { opacity: 0.35; }
.chart-tooltip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  min-width: 8rem;
  padding: 0.48rem 0.58rem;
  background: var(--surface-floating);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  box-shadow: var(--shadow-sm);
  transform: translate(-50%, calc(-100% - 0.65rem));
}
.chart-tooltip[hidden] { display: none; }
.segmented { display: inline-flex; gap: 0.18rem; padding: 0.22rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--segmented-bg); }
.segmented button { min-height: 1.8rem; padding: 0.25rem 0.55rem; border-color: transparent; background: transparent; font-size: 0.7rem; }

/* Timeline */
x-timeline { display: block; min-height: 0; height: 100%; }
.timeline-shell { display: grid; grid-template-rows: auto 1fr auto; gap: 0.8rem; height: 100%; min-height: 0; }
.timeline-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; flex-wrap: wrap; }
.timeline-filters { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.filter-chip { min-height: 1.8rem; padding: 0.3rem 0.58rem; font-size: 0.68rem; --accent: var(--chip-color, var(--cyan)); }
.timeline-zoom { display: flex; gap: 0.5rem; align-items: center; color: var(--text-3); font-size: 0.7rem; }
.timeline-zoom input { width: 7rem; accent-color: var(--accent); }
.timeline-viewport {
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-inset);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.timeline-track {
  position: relative;
  min-width: 100%;
  height: 100%;
  min-height: 16rem;
}
.timeline-axis {
  position: absolute;
  left: 4rem;
  right: 4rem;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--cyan-rgb), 0.35), rgba(var(--magenta-rgb), 0.28), rgba(var(--amber-rgb), 0.32));
}
.timeline-year {
  position: absolute;
  top: calc(50% + 0.65rem);
  transform: translateX(-50%);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}
.timeline-today {
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 1px;
  background: var(--red);
  opacity: 0.72;
}
.timeline-today::before { content: "Heute"; position: absolute; top: -0.15rem; left: 0.35rem; color: var(--red); font-size: 0.62rem; }
.timeline-event {
  position: absolute;
  left: var(--x);
  top: 50%;
  transform: translate(-50%, -50%);
  width: 9rem;
  height: 10rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-1);
  text-align: center;
  cursor: pointer;
}
.timeline-event-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.78rem;
  height: 0.78rem;
  transform: translate(-50%, -50%);
  border: 2px solid var(--event-color);
  border-radius: 50%;
  background: var(--bg-0);
  box-shadow: 0 0 0.9rem color-mix(in srgb, var(--event-color) 50%, transparent);
  z-index: 2;
}
.timeline-event-stem {
  position: absolute;
  left: 50%;
  width: 1px;
  height: 2.7rem;
  transform: translateX(-50%);
  background: color-mix(in srgb, var(--event-color) 45%, transparent);
}
.timeline-event.above .timeline-event-stem { bottom: 50%; }
.timeline-event.below .timeline-event-stem { top: 50%; }
.timeline-event-content {
  position: absolute;
  left: 0;
  right: 0;
  padding: 0.35rem 0.45rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color var(--fast), background var(--fast), transform var(--fast);
}
.timeline-event.above .timeline-event-content { bottom: calc(50% + 2.75rem); }
.timeline-event.below .timeline-event-content { top: calc(50% + 2.75rem); }
.timeline-event:hover .timeline-event-content,
.timeline-event.is-active .timeline-event-content {
  border-color: color-mix(in srgb, var(--event-color) 58%, transparent);
  background: color-mix(in srgb, var(--event-color) 7%, var(--event-bg));
  transform: translateY(-0.08rem);
}
.timeline-event-label { display: block; font-size: 0.72rem; line-height: 1.2; }
.timeline-event-date { display: block; margin-top: 0.25rem; color: var(--text-3); font-family: var(--font-mono); font-size: 0.59rem; }
.timeline-event.is-active .timeline-event-label { color: var(--event-color); }
.timeline-event.is-hidden { display: none; }
.timeline-detail {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  min-height: 4.6rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-inset);
}
.timeline-detail-marker { width: 0.72rem; height: 2.8rem; border: 1px solid var(--detail-color, var(--cyan)); border-radius: var(--radius-pill); box-shadow: 0 0 1rem color-mix(in srgb, var(--detail-color, var(--cyan)) 28%, transparent); }
.timeline-detail h4 { margin: 0 0 0.22rem; }
.timeline-detail p { margin: 0; font-size: 0.78rem; }
.timeline-empty { display: grid; place-items: center; height: 100%; color: var(--text-3); }

/* Process / decision */
.process-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; align-items: stretch; }
.process-step { position: relative; }
.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1.2rem;
  width: 1.2rem;
  height: 1px;
  background: var(--line);
}
.step-index { font-family: var(--font-mono); color: var(--accent); font-size: 0.7rem; }

.decision-matrix {
  display: grid;
  grid-template-columns: 9rem repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.decision-matrix > div { padding: 0.75rem; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.decision-matrix > div:nth-child(4n) { border-right: 0; }
.decision-matrix .head { background: var(--surface-hover); font-weight: 750; }
.score { font-family: var(--font-mono); font-size: 1rem; color: var(--text-1); }
.score.best { color: var(--green); }

/* Images */
.image-frame {
  position: relative;
  padding: 0;
  color: inherit;
  text-align: left;
  cursor: zoom-in;
  height: 100%;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-inset);
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.image-frame.contain img { object-fit: contain; }
.image-caption {
  position: absolute;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.8rem;
  padding: 0.55rem 0.65rem;
  background: var(--caption-bg);
  border: 1px solid var(--caption-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  color: var(--caption-text);
  font-size: 0.72rem;
}
.lightbox-trigger { cursor: zoom-in; }
.lightbox-image { display: block; max-width: 100%; max-height: 70vh; margin-inline: auto; }

/* Quote / code / formula */
.quote {
  position: relative;
  padding: 1.5rem 1.7rem;
  border-left: 2px solid var(--accent);
  color: var(--text-1);
  font-size: 1.65rem;
  line-height: 1.32;
}
.quote::before { content: "“"; position: absolute; left: 0.45rem; top: -0.5rem; color: rgba(var(--accent-rgb),0.25); font-size: 5rem; }
.code-block {
  position: relative;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 0.76rem;
  line-height: 1.55;
  overflow: auto;
}
.code-block .token-tag { color: var(--cyan); }
.code-block .token-attr { color: var(--amber); }
.code-block .token-string { color: var(--green); }
.formula {
  padding: 1.2rem;
  text-align: center;
  font-family: Cambria, Georgia, serif;
  font-size: 2rem;
  border-block: 1px solid var(--line);
}

/* Overview */
.overview-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.8rem; }
.overview-item {
  position: relative;
  aspect-ratio: 16 / 9;
  padding: 0.8rem;
  text-align: left;
  color: var(--text-1);
  background: var(--overview-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--fast), transform var(--fast);
}
.overview-item:hover { border-color: var(--item-accent, var(--cyan)); transform: translateY(-0.12rem); }
.overview-item.is-current { border-color: var(--item-accent, var(--cyan)); box-shadow: 0 0 1rem color-mix(in srgb, var(--item-accent, var(--cyan)) 18%, transparent); }
.overview-number { display: block; font-family: var(--font-mono); color: var(--item-accent, var(--cyan)); font-size: 0.62rem; }
.overview-title { display: block; margin-top: 0.4rem; font-size: 0.82rem; font-weight: 750; }
.overview-section { position: absolute; left: 0.8rem; bottom: 0.65rem; color: var(--text-3); font-size: 0.58rem; }

/* Misc */
.list-clean { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.list-clean li { position: relative; padding-left: 1.25rem; }
.list-clean li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 0.55rem; height: 1px; background: var(--accent); }
.palette { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; }
.swatch { padding: 0.75rem; border: 1px solid var(--swatch); border-radius: var(--radius-sm); background: color-mix(in srgb, var(--swatch) 7%, transparent); }
.swatch-line { height: 0.18rem; background: var(--swatch); box-shadow: 0 0 0.8rem color-mix(in srgb, var(--swatch) 40%, transparent); margin-bottom: 0.55rem; }
.swatch code { color: var(--text-3); font-size: 0.65rem; }

kbd {
  display: inline-grid;
  place-items: center;
  min-width: 1.7rem;
  height: 1.55rem;
  padding: 0 0.35rem;
  border: 1px solid var(--kbd-border);
  border-bottom-width: 2px;
  border-radius: 0.3rem;
  background: var(--kbd-bg);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.toast {
  position: absolute;
  z-index: 80;
  left: 50%;
  bottom: 4rem;
  transform: translate(-50%, 1rem);
  padding: 0.6rem 0.85rem;
  background: var(--surface-floating);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--text-1);
  font-size: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--normal), transform var(--normal);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.blank-screen {
  position: absolute;
  z-index: 200;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--blackout-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--normal), visibility 0s linear var(--normal);
}
.blank-screen.is-active { opacity: 1; visibility: visible; transition-delay: 0s; }

@media (max-width: 850px) {
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
}

[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + .45rem);
  transform: translate(-50%, .25rem);
  width: max-content;
  max-width: 16rem;
  padding: .35rem .5rem;
  color: var(--text-1);
  background: var(--surface-floating);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  font-size: .62rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--fast), transform var(--fast), visibility 0s linear var(--fast);
}
[data-tooltip]:hover::after, [data-tooltip]:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition-delay: 350ms;
}