:root {
  --ink: #0a1b33;
  --navy: #13447c;
  --muted: #5c6b82;
  --rule: #d3dae6;
  --stock: #eef1f6;
  --paper: #ffffff;
  --signal: #ffc629;
  --paper-accent: #c45c26;
  --wms-accent: #1a7a4c;
  --display: "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --body: "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%, #fff7d6 0%, transparent 55%),
    linear-gradient(180deg, #f7f9fc 0%, #e8edf5 100%);
  line-height: 1.5;
}

.page {
  width: min(1180px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: clamp(1.1rem, 2.5vw, 2.2rem) 0 2.5rem;
}

.intro { max-width: 44rem; margin-bottom: 1.25rem; }
.intro__eyebrow {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 .55rem;
}
.intro__eyebrow a { color: var(--navy); text-decoration: none; }
.intro__eyebrow a:hover { text-decoration: underline; }
.intro h1 {
  font-family: var(--display); font-weight: 750;
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.15; margin: 0 0 .65rem; letter-spacing: -.02em;
}
.intro__lead { margin: 0; color: var(--muted); font-size: 1rem; }
.intro__lead + .intro__lead { margin-top: .7rem; }

.setup[hidden],
.sim[hidden],
.results[hidden] { display: none !important; }

.setup {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.25rem;
  padding: 1rem 1.15rem; border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper); box-shadow: 0 6px 18px rgba(10, 27, 51, .04);
  margin-bottom: 1.25rem;
}
.setup__row {
  display: flex; align-items: center; gap: .75rem; flex: 1; min-width: 16rem;
  font-size: .92rem; font-weight: 600;
}
.setup__row input[type="range"] { flex: 1; accent-color: var(--navy); }
.setup__row b {
  font-family: var(--display); font-size: 1.35rem; min-width: 2ch; text-align: right;
}

.btn {
  appearance: none; border: 0; cursor: pointer;
  font-family: inherit; font-weight: 700; font-size: .92rem;
  padding: .65rem 1.1rem; border-radius: 6px;
  background: var(--stock); color: var(--ink);
}
.btn--signal { background: var(--signal); }
.btn--signal:hover { filter: brightness(.97); }
.btn:hover { filter: brightness(.98); }

.sim__hud {
  display: grid;
  grid-template-columns: auto minmax(7rem, 9rem) 1fr auto;
  gap: .85rem 1rem;
  align-items: center;
  margin-bottom: .9rem;
  padding: .85rem 1rem;
  border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper);
}
.hud__lab {
  display: block; font-family: var(--mono); font-size: .62rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  margin-bottom: .2rem;
}
.sim__clock b {
  font-family: var(--display); font-size: 1.7rem; font-variant-numeric: tabular-nums;
  line-height: 1;
}
.sim__clock-hint {
  display: block; margin-top: .25rem;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
}
.ff-badge {
  font-style: normal; font-weight: 700; color: var(--ink);
  background: var(--signal); border-radius: 3px;
  padding: .05rem .28rem; letter-spacing: .04em; margin-left: .2rem;
}
.sim__speed {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: .15rem .4rem;
  min-width: 0;
}
.sim__speed .hud__lab { grid-column: 1 / -1; margin-bottom: 0; }
.sim__speed input[type="range"] { width: 100%; min-width: 0; accent-color: var(--navy); }
.sim__speed b {
  font-family: var(--display); font-size: 1.05rem; font-variant-numeric: tabular-nums;
  min-width: 2.4ch; text-align: right;
}
.sim__progress {
  display: grid; grid-template-columns: 1fr 1fr; gap: .75rem;
}
.lane-stat b {
  font-family: var(--display); font-size: 1.15rem; font-variant-numeric: tabular-nums;
}
.bar {
  height: 5px; background: var(--rule); border-radius: 3px; overflow: hidden; margin-top: .4rem;
}
.bar i { display: block; height: 100%; width: 0%; transition: width .15s linear; }
.lane-stat--paper .bar i { background: var(--paper-accent); }
.lane-stat--wms .bar i { background: var(--wms-accent); }

.sim__boards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}
.lane__title {
  font-family: var(--display); font-size: 1rem; font-weight: 750;
  margin: 0 0 .45rem; display: flex; flex-wrap: wrap; gap: .35rem .55rem; align-items: baseline;
}
.lane__title small {
  font-family: var(--body); font-weight: 500; font-size: .78rem; color: var(--muted);
}
.board {
  border: 1px solid var(--rule); border-radius: 8px; background: var(--stock);
  overflow: hidden; box-shadow: 0 8px 24px rgba(10, 27, 51, .05);
}
.board canvas { display: block; width: 100%; height: auto; }

.results {
  margin-top: .25rem;
}
.results__box {
  width: 100%;
  max-width: 52rem;
  margin: 0 auto;
  text-align: left;
  color: var(--ink);
  padding: 1.25rem 1.35rem 1.5rem;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 10px 30px rgba(10, 27, 51, .06);
}
.results__box h3 {
  font-family: var(--display); font-weight: 750;
  font-size: clamp(1.35rem, 2.8vw, 1.7rem);
  margin: 0 0 .45rem; color: var(--ink); letter-spacing: -.02em;
}
.results__box > p { margin: 0 0 1.15rem; color: var(--muted); font-size: .95rem; }
.results__stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: .75rem;
  margin: 0 0 1.15rem;
}
.results__stats > div {
  border: 1px solid var(--rule); border-radius: 10px; padding: .85rem .9rem;
  background: var(--stock);
}
.results__stats .lab {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin-bottom: .35rem;
}
.results__stats b {
  display: block; font-family: var(--display); font-size: 1.45rem; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.results__stats .hint { font-size: .84rem; color: var(--muted); margin-top: .3rem; }
.results__scale {
  border: 1px solid rgba(255, 198, 41, .55); background: rgba(255, 198, 41, .14);
  border-radius: 10px; padding: .95rem 1.05rem; margin: 0 0 1.15rem;
  color: var(--ink); line-height: 1.45;
}
.results__scale strong { color: var(--navy); }
.results__scale-note {
  display: inline;
  color: var(--muted);
  font-size: .9em;
}
.results__day {
  margin: 0 0 1.15rem;
  padding: .95rem 1.05rem;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: var(--stock);
}
.results__day-lab {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 .35rem;
}
.results__day-sub {
  margin: 0 0 .65rem; font-size: .82rem; color: var(--muted); line-height: 1.4;
}
.results__day-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
  color: var(--muted);
}
.results__day-table th,
.results__day-table td {
  padding: .5rem .4rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
}
.results__day-table th {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); font-weight: 600;
}
.results__day-table td:last-child,
.results__day-table th:last-child { text-align: right; }
.results__day-table b {
  color: var(--ink); font-variant-numeric: tabular-nums; font-size: 1.02rem;
}
.results__day-row--paper td:first-child { color: var(--paper-accent); font-weight: 600; }
.results__day-row--wms td:first-child { color: var(--wms-accent); font-weight: 600; }
.results__day-foot {
  margin: .7rem 0 0; font-size: .82rem; color: var(--muted); line-height: 1.4;
}
.results__actions {
  display: flex; flex-wrap: wrap; gap: .65rem;
  margin-top: .25rem;
}

.results__chart {
  margin: 0 0 1.15rem;
  padding: .95rem 1.05rem;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.results__chart-lab {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 .7rem;
}
.results__chart-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  gap: .55rem;
  align-items: center;
  margin-bottom: .5rem;
}
.results__chart-row .n {
  font-family: var(--mono); font-size: .74rem; color: var(--muted);
}
.results__chart-row .bars {
  position: relative; height: 1.4rem;
  background: var(--stock); border-radius: 4px; overflow: hidden;
  border: 1px solid var(--rule);
}
.results__chart-row .bar {
  position: absolute; left: 0; border-radius: 3px;
  opacity: .92; height: 45%;
}
.results__chart-row .bar--paper { top: 8%; background: var(--paper-accent); }
.results__chart-row .bar--wms { bottom: 8%; background: var(--wms-accent); }
.results__chart-row .nums {
  font-size: .8rem; color: var(--muted); white-space: nowrap;
}
.results__chart-row .nums b { color: var(--paper-accent); }
.results__chart-row .nums em { color: var(--wms-accent); font-style: normal; font-weight: 700; }
.results__chart-row .nums .save {
  display: block;
  margin-top: .15rem;
  font-size: .72rem;
  font-weight: 700;
  color: var(--wms-accent);
}
.results__chart-row .n small {
  font-size: .62rem;
  color: var(--muted);
  font-weight: 500;
}
.results__chart-foot {
  margin: .7rem 0 0; font-size: .82rem; color: var(--muted); line-height: 1.4;
}

.results__graphs {
  margin: 0 0 1.15rem;
}
.results__graphs-lab {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 .75rem;
}
.results__graphs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}
.results__graph {
  margin: 0;
  padding: .85rem .9rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--stock);
}
.results__graph figcaption {
  display: grid; gap: .2rem; margin-bottom: .7rem;
}
.results__graph figcaption strong {
  font-size: .95rem; color: var(--ink);
}
.results__graph figcaption span {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .04em;
  color: var(--wms-accent); font-weight: 700;
}
.results__graph-bars { display: grid; gap: .45rem; }
.results__graph-bars .row {
  display: grid;
  grid-template-columns: 3.4rem 1fr auto;
  gap: .45rem;
  align-items: center;
}
.results__graph-bars .who {
  font-size: .72rem; font-weight: 700; color: var(--muted);
}
.results__graph-bars .row--paper .who { color: var(--paper-accent); }
.results__graph-bars .row--wms .who { color: var(--wms-accent); }
.results__graph-bars .track {
  display: block; height: .7rem;
  background: var(--paper); border: 1px solid var(--rule); border-radius: 999px;
  overflow: hidden;
}
.results__graph-bars .track i {
  display: block; height: 100%; border-radius: 999px;
}
.results__graph-bars .row--paper .track i { background: var(--paper-accent); }
.results__graph-bars .row--wms .track i { background: var(--wms-accent); }
.results__graph-bars .val {
  font-family: var(--mono); font-size: .72rem; color: var(--ink);
  font-variant-numeric: tabular-nums; min-width: 3.5rem; text-align: right;
}
.results__graph-note {
  margin: .65rem 0 0; font-size: .76rem; color: var(--muted); line-height: 1.35;
}
.results__guard {
  margin-top: .85rem;
  padding: .95rem 1.05rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--paper);
}
.results__guard-lab {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 .7rem;
}
.results__guard-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.results__guard-col {
  padding: .75rem .85rem;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--stock);
}
.results__guard-col strong {
  display: block;
  margin-bottom: .35rem;
  font-size: .92rem;
}
.results__guard-col--paper strong { color: var(--paper-accent); }
.results__guard-col--wms strong { color: var(--wms-accent); }
.results__guard-col p {
  margin: 0;
  font-size: .84rem;
  color: var(--muted);
  line-height: 1.4;
}
.results__guard-foot {
  margin: .75rem 0 0;
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.35;
}

.sim { position: relative; }
.sim-skip {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  z-index: 5;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 999px;
  border: 2px solid rgba(19, 68, 124, .35);
  background: rgba(247, 249, 252, .55);
  color: var(--navy);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -.06em;
  cursor: pointer;
  opacity: .5;
  backdrop-filter: blur(4px);
  transition: opacity .2s, background .2s, transform .15s;
}
.sim-skip:hover,
.sim-skip.is-hot {
  opacity: .92;
  background: rgba(255, 198, 41, .75);
  border-color: var(--signal-dim);
}
.sim-skip:active { transform: translate(-50%, -50%) scale(.96); }

@media (max-width: 860px) {
  .sim__hud { grid-template-columns: 1fr 1fr; }
  .sim__progress { grid-column: 1 / -1; grid-template-columns: 1fr; }
  .sim__hud .btn { grid-column: 1 / -1; }
  .sim__boards { grid-template-columns: 1fr; }
  .sim-skip { top: 28%; width: 3.6rem; height: 3.6rem; font-size: 1.4rem; }
  .results__stats { grid-template-columns: 1fr; }
  .results__graphs-grid { grid-template-columns: 1fr; }
  .results__guard-cols { grid-template-columns: 1fr; }
  .results__chart-row {
    grid-template-columns: 1fr;
    gap: .25rem .4rem;
  }
  .results__chart-row .nums { justify-self: start; }
}

/* Cross-app switcher — jak game4: prawo góra, małe kwadraty */
.app-switch {
  position: fixed;
  top: calc(8px + env(safe-area-inset-top, 0px));
  right: calc(8px + env(safe-area-inset-right, 0px));
  z-index: 9999;
  display: flex;
  flex-direction: row;
  gap: 4px;
  padding: 0;
  background: transparent;
  border-radius: 0;
  opacity: 0.55;
}
.app-switch a {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid #FED7AA;
  border-radius: 6px;
  color: #78716C;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  font-family: inherit;
  background: #FFFFFF;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.app-switch a.is-current {
  background: #FF6531;
  border-color: #FF6531;
  color: #FFFFFF;
  opacity: 1;
  transform: none;
}
.app-switch a:hover { background: #FFEDD5; color: #EA580C; border-color: #FF6531; }
.app-switch a.is-current:hover { background: #EA580C; color: #FFFFFF; }