/* XMR Collective - dark dapp look: one 3D stage, one button, one leaderboard.
   Orange is reserved for the action and for live mining data. */

@font-face { font-family: 'Plex Sans'; font-weight: 100 700; font-display: swap; src: url('fonts/IBMPlexSans.woff2') format('woff2'); }
@font-face { font-family: 'Plex Mono'; font-weight: 400; font-display: swap; src: url('fonts/IBMPlexMono-400.woff2') format('woff2'); }
@font-face { font-family: 'Plex Mono'; font-weight: 500; font-display: swap; src: url('fonts/IBMPlexMono-500.woff2') format('woff2'); }
@font-face { font-family: 'Plex Mono'; font-weight: 600; font-display: swap; src: url('fonts/IBMPlexMono-600.woff2') format('woff2'); }

:root {
  --bg: #0b0a09;
  --bg-2: #121110;
  --card: #151412;
  --card-2: #1b1a17;
  --line: #27251f;
  --line-2: #36332b;
  --text: #f1ede4;
  --text-2: #aaa596;
  --text-3: #6e6a5f;
  --orange: #ff6a1a;
  --orange-2: #ff8a45;
  --orange-ink: #1a0d04;
  --green: #4ade80;
  --red: #ff6b5b;
  --sans: 'Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --r: 14px;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}
a {
  color: inherit;
  text-decoration-color: var(--line-2);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-color: var(--orange);
}
button,
input {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
}
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}
code {
  font-family: var(--mono);
  font-size: 0.92em;
}
::selection {
  background: var(--orange);
  color: var(--orange-ink);
}
[hidden] {
  display: none !important;
}
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (max-width: 520px) {
  .wrap {
    padding: 0 16px;
  }
}
.muted {
  color: var(--text-3);
  font-size: 13px;
}

/* ---------------------------------------------------------------- top bar */
.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.bar .wrap {
  height: 56px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.mark {
  font: 600 15px/1 var(--mono);
  letter-spacing: -0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}
.mark i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--orange);
  box-shadow: 0 0 14px color-mix(in srgb, var(--orange) 60%, transparent);
}
.mark b {
  font-weight: inherit;
}
.mark span {
  color: var(--text-3);
  font-weight: 400;
}
.tabs {
  display: flex;
  gap: 4px;
}
.tabs a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
}
.bar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.live {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 12px var(--mono);
  color: var(--text-2);
  white-space: nowrap;
}
.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  flex: none;
}
.pulse.on {
  background: var(--green);
  animation: ping 2s ease-out infinite;
}
@keyframes ping {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--green) 55%, transparent);
  }
  70%,
  100% {
    box-shadow: 0 0 0 7px transparent;
  }
}
.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 12px 0 6px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--card);
  font: 12px var(--mono);
  color: var(--text);
}
.chip:hover {
  border-color: var(--text-3);
}
.ident {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  image-rendering: pixelated;
  flex: none;
}
@media (max-width: 560px) {
  .mark span,
  .live .long {
    display: none;
  }
}

/* ---------------------------------------------------------------- stage */
.stage {
  position: relative;
  height: clamp(420px, 64vh, 640px);
  background:
    radial-gradient(ellipse 50% 55% at 50% 42%, color-mix(in srgb, var(--orange) 16%, transparent), transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 100%, var(--bg-2), transparent 70%);
  overflow: hidden;
}
.stage::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}
#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: pan-y;
  cursor: grab;
}
.stage-ui {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}
.stage-ui > * {
  pointer-events: auto;
}
.mine-btn {
  position: relative;
  min-width: 220px;
  height: 60px;
  padding: 0 34px;
  border-radius: 999px;
  border: 0;
  background: linear-gradient(180deg, var(--orange-2), var(--orange));
  color: var(--orange-ink);
  font: 600 18px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--orange) 50%, transparent),
    0 10px 40px -8px color-mix(in srgb, var(--orange) 70%, transparent),
    inset 0 1px 0 rgb(255 255 255 / 0.35);
  transition:
    transform 0.12s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease;
}
.mine-btn:hover:not(:disabled) {
  filter: brightness(1.07);
  transform: translateY(-1px);
}
.mine-btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
}
.mine-btn:disabled {
  filter: grayscale(0.7) brightness(0.6);
}
.mine-btn[data-state='mining'] {
  background: var(--card-2);
  color: var(--orange-2);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--orange) 60%, transparent),
    0 0 50px -10px color-mix(in srgb, var(--orange) 60%, transparent);
}
.mine-btn[data-state='mining']::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--a, 0deg), transparent 0 70%, var(--orange) 85%, transparent 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: spin 1.6s linear infinite;
}
@property --a {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes spin {
  to {
    --a: 360deg;
  }
}
.mine-btn[data-state='starting'] {
  color: var(--orange-ink);
  opacity: 0.85;
}
.mine-btn.small {
  min-width: 0;
  height: 46px;
  font-size: 15px;
  padding: 0 28px;
}
.status {
  margin: 0;
  min-height: 1.4em;
  font: 12px var(--mono);
  color: var(--text-2);
  text-align: center;
  padding: 0 16px;
  text-shadow: 0 1px 8px var(--bg);
}
.status[data-level='ok'] {
  color: var(--green);
}
.status[data-level='error'] {
  color: var(--red);
}
.cpu {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 85%, transparent);
  border: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.cpu button {
  border: 0;
  background: none;
  font: 11px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 5px 12px;
  border-radius: 999px;
}
.cpu button:hover {
  color: var(--text);
}
.cpu button[aria-pressed='true'] {
  background: var(--line-2);
  color: var(--text);
}
.hitfx {
  position: absolute;
  z-index: 3;
  font: 600 14px var(--mono);
  color: var(--orange-2);
  pointer-events: none;
  text-shadow: 0 0 12px color-mix(in srgb, var(--orange) 70%, transparent);
  animation: rise 1.6s ease-out forwards;
}
@keyframes rise {
  from {
    opacity: 1;
    transform: translate(-50%, 0) scale(0.9);
  }
  to {
    opacity: 0;
    transform: translate(-50%, -70px) scale(1.1);
  }
}

/* ---------------------------------------------------------------- stats */
.stats {
  position: relative;
  z-index: 3;
  margin: -12px 0 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.stats div {
  background: var(--card);
  padding: 16px 18px;
  min-width: 0;
}
.stats dt {
  font: 11px var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
}
.stats dd {
  margin: 6px 0 0;
  font: 500 clamp(1.25rem, 3.2vw, 1.75rem) / 1.1 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 6px;
  overflow-wrap: anywhere;
}
.stats small {
  font-size: 12px;
  letter-spacing: 0;
  color: var(--text-3);
}
.stats .hot dd {
  color: var(--orange-2);
}
@media (max-width: 680px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------------------------------------------------------------- leaderboard */
.board {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 32px;
}
.board-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}
.board-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.rows {
  list-style: none;
  margin: 0;
  padding: 0;
}
.row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 110px 120px 130px;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  font: 13px var(--mono);
  font-variant-numeric: tabular-nums;
}
.row:last-child {
  border-bottom: 0;
}
.row.head {
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
  padding-top: 10px;
  padding-bottom: 10px;
  background: var(--bg-2);
}
.row .r {
  text-align: right;
}
.row .rank {
  color: var(--text-3);
}
.row .rank b {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--line);
  color: var(--text-2);
}
.row:nth-child(2) .rank b {
  background: var(--orange);
  color: var(--orange-ink);
}
.row:nth-child(3) .rank b {
  background: #c9c2b2;
  color: #17150f;
}
.row:nth-child(4) .rank b {
  background: #8a6a4a;
  color: #f1ede4;
}
.addr {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.addr button {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.addr button:hover {
  color: var(--orange-2);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-2);
  flex: none;
}
.dot.on {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.you {
  font: 600 10px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--orange) 18%, transparent);
  color: var(--orange-2);
  flex: none;
}
.row.me {
  background: color-mix(in srgb, var(--orange) 6%, transparent);
}
.row .live-rate {
  color: var(--orange-2);
}
.row .zero {
  color: var(--text-3);
}
.row.empty {
  display: block;
  text-align: center;
  padding: 36px 18px;
  color: var(--text-3);
  font-family: var(--sans);
}
@media (max-width: 680px) {
  .row {
    grid-template-columns: 26px minmax(0, 1fr) 68px 86px;
    gap: 8px;
    padding-left: 14px;
    padding-right: 14px;
  }
  .row .hide-sm,
  .row .you,
  .row .dot {
    display: none;
  }
  .addr {
    gap: 8px;
  }
}

/* ---------------------------------------------------------------- dialog */
.dialog {
  width: min(460px, calc(100vw - 32px));
  border: 1px solid var(--line-2);
  border-radius: 18px;
  background: var(--card);
  color: var(--text);
  padding: 24px;
  box-shadow: 0 30px 80px -20px #000;
}
.dialog::backdrop {
  background: rgb(5 4 3 / 0.7);
  backdrop-filter: blur(6px);
}
.dialog[open] {
  animation: pop 0.18s ease-out;
}
@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}
.dialog h2 {
  margin: 0 0 16px;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.field {
  position: relative;
}
.input {
  width: 100%;
  height: 50px;
  padding: 0 74px 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--bg);
  font: 13px var(--mono);
  outline: none;
}
.input:focus {
  border-color: var(--text-3);
}
.input[data-valid='true'] {
  border-color: color-mix(in srgb, var(--green) 60%, var(--line-2));
}
.input[data-valid='false'] {
  border-color: color-mix(in srgb, var(--red) 60%, var(--line-2));
}
.paste {
  position: absolute;
  right: 8px;
  top: 9px;
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  background: var(--card-2);
  font: 12px var(--mono);
  color: var(--text-2);
}
.paste:hover {
  color: var(--text);
}
.hint {
  margin: 10px 2px 20px;
  font-size: 12px;
  color: var(--text-3);
}
.hint[data-level='error'] {
  color: var(--red);
}
.actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.ghost {
  height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: none;
  color: var(--text-2);
}
.ghost:hover {
  color: var(--text);
}

/* ---------------------------------------------------------------- footer + self-test page */
.foot {
  border-top: 1px solid var(--line);
  padding: 18px 0 28px;
  font-size: 12px;
  color: var(--text-3);
}
.foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
}
.foot code {
  word-break: break-all;
}
.plain {
  padding: 40px 20px;
  max-width: 720px;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.eyebrow {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 10px;
}
.btn {
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--card-2);
}
.btn.primary {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--orange-ink);
  font-weight: 600;
}
.plain pre {
  white-space: pre-wrap;
  font: 12px/1.6 var(--mono);
  background: var(--bg);
  padding: 12px;
  border-radius: 10px;
  min-height: 3em;
}

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