Made of little things.

/*
  Visual direction: "Amtlich" — German public signage and official forms.
  Flag colours for accents, DIN-like bold uppercase type, hard square edges.
  App-owned palette; host theme is ignored on purpose.
*/

:root {
  --ink: #111111;
  --paper: #f5f1e6;
  --schwarz: #111111;
  --rot: #dd0000;
  --gold: #ffcc00;
  --ok: #1f7a3a;
  --control-h: 52px;
  --napplet-text-selection: none;
  color-scheme: light;
  font: 15px/1.3 "DIN Alternate", "Bahnschrift", "Arial Narrow", ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

:where(html, body, body *) {
  -webkit-user-select: var(--napplet-text-selection, none);
  user-select: var(--napplet-text-selection, none);
}

html,
body,
#app {
  height: 100%;
  margin: 0;
  background: #9fc6e0;
  color: var(--ink);
  overflow: hidden;
}

button {
  font: inherit;
  color: inherit;
}

.app {
  position: relative;
  touch-action: none;
}

.scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* HUD ───────────────────────────────────────────────────────────────── */

.hud {
  position: absolute;
  top: 8px;
  left: 8px;
  pointer-events: none;
}

.ordnung {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--paper);
  border: 2px solid var(--ink);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 12px;
}

.ordnung-bar {
  width: 90px;
  height: 10px;
  border: 2px solid var(--ink);
  background: #fff;
}

.ordnung-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--schwarz) 0 33%, var(--rot) 33% 66%, var(--gold) 66%);
  transition: width 0.2s;
}

.ordnung-value {
  min-width: 2.2em;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Touch controls ────────────────────────────────────────────────────── */

.controls {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.ctrl {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: var(--control-h);
  height: var(--control-h);
  padding: 0 16px;
  border: 3px solid var(--ink);
  background: var(--paper);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  touch-action: none;
  opacity: 0.92;
}

.ctrl:active,
.ctrl.is-down {
  background: var(--gold);
}

.ctrl:focus-visible,
.card button:focus-visible {
  outline: 3px solid var(--rot);
  outline-offset: 2px;
}

/* Overlay card (forms, bins, title, end) ────────────────────────────── */

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 10px;
  background: rgb(17 17 17 / 0.35);
}

.overlay[hidden] {
  display: none;
}

.card {
  width: min(460px, 100%);
  max-height: 100%;
  overflow: auto;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 14px 16px;
  border-top: 10px solid var(--ink);
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 33%;
  right: 0;
  height: 10px;
  background: linear-gradient(90deg, var(--rot) 0 50%, var(--gold) 50%);
}

.kicker {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rot);
}

.card-title {
  margin: 0 0 6px;
  font-size: 22px;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.card-body {
  margin: 0 0 10px;
  white-space: pre-line;
}

.card-body:empty,
.card-hint:empty,
.kicker:empty {
  display: none;
}

.card-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.card-actions button {
  min-height: 44px;
  padding: 6px 10px;
  border: 3px solid var(--ink);
  background: #fff;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
}

.card-actions button:hover {
  background: var(--gold);
}

.card-actions button.primary {
  background: var(--rot);
  color: #fff;
}

.card-actions .bin {
  color: #fff;
  text-shadow: 0 1px 0 #000;
}

.card-actions .bin small {
  display: block;
  font-size: 10px;
  opacity: 0.85;
}

.card-actions .shake {
  animation: shake 0.3s;
}

@keyframes shake {
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.card-hint {
  margin: 10px 0 0;
  font-size: 12px;
  opacity: 0.7;
}

/* Small frames ──────────────────────────────────────────────────────── */

@media (max-width: 420px), (max-height: 320px) {
  :root {
    --control-h: 44px;
    font-size: 13px;
  }
  .ctrl .label {
    display: none;
  }
  .ordnung-bar {
    width: 50px;
  }
  .card-title {
    font-size: 17px;
  }
}

@media (max-height: 220px), (max-width: 260px) {
  :root {
    --control-h: 34px;
  }
  .ordnung-label {
    display: none;
  }
  .card {
    padding: 8px;
  }
  .card-hint,
  .card-body,
  .kicker {
    display: none;
  }
  .card-actions {
    grid-template-columns: repeat(auto-fit, minmax(64px, 1fr));
    gap: 4px;
  }
  .card-actions button {
    min-height: 30px;
    padding: 2px 4px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card-actions .shake {
    animation: none;
  }
}