:root {
  --bg: #08090a;
  --panel: #0d0f10;
  --line: rgba(242, 240, 235, 0.09);
  --line-strong: rgba(242, 240, 235, 0.18);
  --ink: #f2f0eb;
  --muted: #7d858b;
  --dim: #4a5157;
  --amber: #f5a623;
  --rose: #e5646f;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- topo ---------- */
.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: calc(18px + env(safe-area-inset-top)) 20px 14px;
  border-bottom: 1px solid var(--line);
}

.brand h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1;
  text-transform: uppercase;
}

.tagline {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

.pool-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 6px;
  max-width: 46vw;
  text-align: right;
}

.pool-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dim);
  flex: none;
  transition: background 240ms ease;
}

.pool-status[data-state="on"] .dot { background: var(--ink); }
.pool-status[data-state="live"] .dot { background: var(--amber); }
.pool-status[data-state="error"] .dot { background: var(--rose); }

/* ---------- barra de rede ---------- */
.netbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.net-item {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 1px solid var(--line);
}
.net-item:last-child { border-right: 0; }

.k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.v {
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.v.big { font-size: 25px; letter-spacing: 0.04em; }

/* ---------- palco ---------- */
.stage {
  display: grid;
  grid-template-columns: 1fr;
  flex: 1;
  min-height: 0;
}

.canvas-wrap {
  position: relative;
  min-height: 46svh;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(242, 240, 235, 0.028), transparent 70%),
    var(--bg);
}

#field {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}

.canvas-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  pointer-events: none;
  padding: 0 32px;
  text-align: center;
  transition: opacity 400ms ease;
  opacity: 1;
}
.canvas-hint.gone { opacity: 0; }

.canvas-hint p {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.canvas-hint .small {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: none;
  line-height: 1.7;
  color: var(--dim);
  max-width: 34ch;
}

.wipe {
  position: absolute;
  right: 14px;
  bottom: 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 2px;
  cursor: pointer;
  background: transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.wipe:hover, .wipe:focus-visible { color: var(--ink); border-color: var(--line-strong); outline: none; }

/* ---------- leituras ---------- */
.readout {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ro {
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 66px;
}
.ro:nth-child(2n) { border-right: 0; }
.ro:nth-last-child(-n+2) { border-bottom: 0; }
.ro:nth-child(odd):last-child { grid-column: 1 / -1; border-right: 0; }
.ro-quiet .v { color: var(--muted); }
.ro-acc .v { font-size: 10px; line-height: 1.5; white-space: normal; color: var(--muted); }

/* ---------- auto-mining ---------- */
.ro-auto { gap: 8px; }

.autoline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.autoline .v { font-size: 10.5px; color: var(--muted); }

.toggle {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  transition: color 160ms ease, border-color 160ms ease;
}
.toggle:hover, .toggle:focus-visible { outline: none; border-color: var(--ink); }
.toggle[data-on="1"] { border-color: rgba(245, 166, 35, 0.45); color: var(--amber); }

.auto-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 8.5px;
  line-height: 1.55;
  letter-spacing: 0.03em;
  color: var(--dim);
}

.ledger-list li.auto-row > span:first-child { color: rgba(245, 166, 35, 0.8); }

/* ---------- escala de dificuldade (log) ---------- */
.ro-scale { gap: 10px; }

.scale {
  position: relative;
  height: 22px;
  margin: 2px 0 0;
}

.scale-track {
  position: absolute;
  top: 10px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line-strong);
}

.scale-fill {
  position: absolute;
  top: 10px;
  left: 0;
  height: 1px;
  width: 0%;
  background: var(--ink);
  transition: width 420ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.scale-tick {
  position: absolute;
  top: 3px;
  width: 1px;
  height: 15px;
  background: var(--muted);
  transform: translateX(-0.5px);
}

.scale-tick.block { background: var(--amber); opacity: 0.55; }

.scale-mark {
  position: absolute;
  top: 5px;
  left: 0;
  width: 2px;
  height: 11px;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
  transform: translateX(-1px);
  transition: left 420ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.scale-legend {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

.scale-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 9.5px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- oráculo ---------- */
.oracle {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 20px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  min-height: 84px;
  background: var(--panel);
}

.oracle-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 4px 7px;
  border-radius: 2px;
  flex: none;
  margin-top: 1px;
}

#oracleText {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink);
  max-width: 62ch;
  text-wrap: pretty;
}

#oracleText em { color: var(--amber); font-style: normal; }

/* ---------- telemetria ---------- */
.telemetry {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.tgroup {
  padding: 14px 20px 16px;
  border-bottom: 1px solid var(--line);
}

.tgroup h2 {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

.tgroup dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 18px;
}

.tgroup dl > div { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.tgroup dl > div.wide { grid-column: 1 / -1; }

.tgroup dt {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

.tgroup dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tgroup dd.hash {
  font-size: 9.5px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0;
}
.tgroup dd.hash:hover { color: var(--ink); }
.tgroup dd.hash.copied { color: var(--amber); }

.tgroup dd.hot { color: var(--amber); }

/* cartões dos workers */
.wlist {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 7px;
}

.wcard {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 6px 8px 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(242, 240, 235, 0.012);
}

.wcard[data-busy="1"] { border-color: rgba(245, 166, 35, 0.32); }

.wcard .wid {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.wcard .wh {
  font-family: var(--mono);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.wcard .wd {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted);
}

.wnote {
  margin: 9px 0 0;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--dim);
  max-width: 52ch;
}

.tgroup-workers { grid-column: 1 / -1; }

/* grupo do servidor (farm) */
.tgroup-farm { grid-column: 1 / -1; border-right: 0; }
.tgroup-farm dl { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
.tgroup-farm h2 { display: flex; align-items: center; gap: 8px; }

/* grupo do acumulado dos browsers (no servidor) */
.tgroup-devices { grid-column: 1 / -1; border-right: 0; }
.tgroup-devices dl { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
.tgroup-devices h2 { display: flex; align-items: center; gap: 8px; }
.tgroup-devices code { font-family: var(--mono); color: var(--muted); }

/* controlo de threads da farm */
.farm-scale dd { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; }
.pills { display: inline-flex; gap: 4px; }
.pill {
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1;
  padding: 5px 9px;
  border-radius: 3px;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  transition: color .12s, border-color .12s, background .12s;
}
.pill:hover:not(:disabled) { color: var(--ink); border-color: var(--muted); }
.pill.on { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 600; }
.pill:disabled { opacity: .3; cursor: not-allowed; }
.scale-hint { font-family: var(--mono); font-size: 9px; color: var(--dim); letter-spacing: .02em; }

.badge {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--dim);
}
.badge[data-state="on"] { border-color: rgba(245, 166, 35, 0.4); color: var(--amber); }
.badge[data-state="stale"] { border-color: rgba(229, 100, 111, 0.45); color: var(--rose); }

@media (min-width: 720px) {
  .tgroup-workers { border-right: 0; }
}

@media (min-width: 720px) {
  .telemetry { grid-template-columns: 1fr 1fr; }
  .tgroup { border-right: 1px solid var(--line); }
  .tgroup:nth-child(2n) { border-right: 0; }
}

@media (min-width: 1180px) {
  .telemetry { grid-template-columns: repeat(4, 1fr); }
  .tgroup { border-bottom: 0; }
  .tgroup:nth-child(2n) { border-right: 1px solid var(--line); }
  .tgroup:last-child { border-right: 0; }
}

/* ---------- ledger ---------- */
.ledger { padding: 14px 0 4px; }

.ledger-head, .ledger-list li {
  display: grid;
  grid-template-columns: 52px 1fr 62px 38px 66px 74px;
  gap: 7px;
  padding: 7px 20px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.ledger-head {
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 9px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 9px;
}

.ledger-list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-height: 96px;
}

.ledger-list li {
  color: var(--muted);
  border-bottom: 1px solid rgba(242, 240, 235, 0.04);
  animation: rise 260ms ease both;
}

.ledger-list li .en2 { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ledger-list li .st { text-transform: uppercase; letter-spacing: 0.14em; color: var(--dim); }
.ledger-list li[data-state="varrido"] .st { color: var(--muted); }
.ledger-list li[data-state="premiado"] .st { color: var(--amber); }
.ledger-list li[data-state="premiado"] .bits,
.ledger-list li[data-state="premiado"] .diff { color: var(--amber); }

@keyframes rise {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* mobile estreito: 6 colunas não cabem — bits é redundante com diff */
@media (max-width: 560px) {
  .ledger-head, .ledger-list li {
    grid-template-columns: 32px minmax(0, 1fr) 54px 46px 64px;
    gap: 6px;
    padding-left: 14px;
    padding-right: 14px;
    font-size: 9.5px;
  }
  .ledger-head span:nth-child(4),
  .ledger-list li span:nth-child(4) { display: none; }
  .ledger-head span { overflow: hidden; text-overflow: clip; white-space: nowrap; letter-spacing: 0.1em; }
}

/* ---------- rodapé ---------- */
.foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  padding: 14px 20px calc(16px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.foot-left { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.foot code {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  word-break: break-all;
}
.foot-right {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  text-align: right;
}

/* ---------- diálogo de vitória ---------- */
.win {
  border: 1px solid var(--amber);
  background: #0b0c0d;
  color: var(--ink);
  padding: 26px 24px 20px;
  max-width: 440px;
  border-radius: 3px;
}
.win::backdrop { background: rgba(4, 5, 6, 0.86); }
.win h2 {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}
.win p { margin: 0 0 18px; font-size: 13.5px; line-height: 1.65; color: var(--muted); }
.win code { color: var(--ink); font-family: var(--mono); font-size: 11px; word-break: break-all; }
.win button {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  padding: 9px 14px;
  border-radius: 2px;
  cursor: pointer;
}

/* ---------- desktop ---------- */
@media (min-width: 900px) {
  .stage {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
  .canvas-wrap { border-bottom: 0; border-right: 1px solid var(--line); min-height: 0; }
  .readout { grid-template-columns: 1fr; }
  .ro { border-right: 0; min-height: 0; padding: 16px 20px; }
  .ro:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .ro:last-child { border-bottom: 0; }
  .brand h1 { font-size: 34px; }
  .ledger-head, .ledger-list li { grid-template-columns: 70px minmax(0, 1fr) 88px 44px 74px 92px; }
}