/* Кубики — pixel/voxel UI language: no rounded corners anywhere, everything is a bevelled block.
   Palette is a night-time cave: deepslate ground, torchlight for actions, grass green for "alive". */

:root {
  --void:      #12151d;
  --stone:     #1b202a;
  --stone-2:   #242b38;
  --edge-lt:   #3c4557;
  --edge-dk:   #0a0d12;
  --paper:     #e9e6de;
  --muted:     #95a0b3;
  --torch:     #f0c04a;
  --torch-dk:  #a97c17;
  --torch-lt:  #ffe08a;
  --grass:     #7bd66b;
  --diamond:   #4fd3d0;
  --redstone:  #e0574a;

  --font-display: 'Pixelify Sans', 'Trebuchet MS', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;

  --shell: 1180px;
  --bevel: inset 2px 2px 0 var(--edge-lt), inset -2px -2px 0 var(--edge-dk);
  --bevel-in: inset -2px -2px 0 var(--edge-lt), inset 2px 2px 0 var(--edge-dk);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  background-color: var(--void);
  background-image:
    radial-gradient(130% 70% at 50% -8%, rgba(123, 214, 107, .08), transparent 62%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16'><rect x='0' y='0' width='4' height='4' fill='%23ffffff' opacity='.014'/><rect x='8' y='4' width='4' height='4' fill='%23ffffff' opacity='.011'/><rect x='4' y='12' width='4' height='4' fill='%23000000' opacity='.07'/><rect x='12' y='8' width='4' height='4' fill='%23000000' opacity='.05'/></svg>");
  background-attachment: fixed, fixed;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; }
.px { shape-rendering: crispEdges; image-rendering: pixelated; }
.is-hidden { display: none !important; }
.mono { font-family: var(--font-mono); }

code {
  font-family: var(--font-mono);
  font-size: .92em;
  color: var(--torch);
  background: rgba(240, 192, 74, .09);
  padding: 1px 5px;
}

a { color: var(--diamond); text-underline-offset: 3px; }
a:hover { color: #7ce6e3; }

:focus-visible {
  outline: 3px solid var(--diamond);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--torch);
  color: #241c05;
  padding: 10px 16px;
  z-index: 200;
  font-family: var(--font-display);
}
.skip-link:focus { left: 16px; }

/* ─────────────────────────────── top bar + hotbar ─────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(16, 19, 26, .88);
  border-bottom: 2px solid var(--edge-dk);
  backdrop-filter: blur(8px);
}
.topbar-inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--paper);
}
.brand-icon { width: 34px; height: 34px; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-shadow: 3px 3px 0 var(--edge-dk);
}

.hotbar ul {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 4px;
  background: #0e1117;
  box-shadow: var(--bevel);
}

.slot {
  position: relative;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  text-decoration: none;
  background: rgba(139, 145, 158, .13);
  box-shadow: inset 2px 2px 0 rgba(0, 0, 0, .5), inset -2px -2px 0 rgba(255, 255, 255, .09);
}
.slot .px { width: 26px; height: 26px; }
.slot.is-active { outline: 3px solid #dcdcdc; outline-offset: 1px; z-index: 2; }
.slot-empty { background: rgba(139, 145, 158, .07); }

.slot-label {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: .95rem;
  padding: 4px 10px;
  color: var(--paper);
  background: rgba(16, 0, 16, .95);
  border: 2px solid #2c0a5e;
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s steps(2), transform .12s steps(2);
}
.slot:hover .slot-label,
.slot:focus-visible .slot-label { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─────────────────────────────── hero ─────────────────────────────── */

.hero {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 40px 24px 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 44px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--grass);
}

.wordmark {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 10vw, 6.4rem);
  line-height: .92;
  letter-spacing: .05em;
  color: var(--paper);
  text-shadow: 5px 5px 0 var(--edge-dk), 10px 10px 0 rgba(123, 214, 107, .22);
}

.lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 1.06rem;
  color: #cfd4de;
}

.ip-slab {
  position: relative;
  background: linear-gradient(180deg, #2a3242, #212734);
  padding: 18px 22px 16px 26px;
  box-shadow: var(--bevel);
}
.ip-slab::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  bottom: 2px;
  width: 5px;
  background: var(--torch);
}
.ip-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.ip-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.ip-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  color: var(--torch);
  user-select: all;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, .5);
}
.ip-note { margin: 8px 0 0; font-size: .84rem; color: var(--muted); }

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  list-style: none;
  margin: 20px 0 12px;
  padding: 0;
}
.stat {
  background: var(--stone);
  box-shadow: var(--bevel);
  padding: 12px 10px;
  text-align: center;
}
.stat-key {
  display: block;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.stat-val {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.16rem;
  color: var(--paper);
}

.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: .88rem;
  color: var(--muted);
}
.dot {
  width: 9px;
  height: 9px;
  background: var(--muted);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .06);
  flex: none;
}
.dot.is-live { background: var(--grass); animation: pulse 2.4s steps(2, end) infinite; }
.dot.is-down { background: var(--redstone); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* ─────────────────────────────── panels ─────────────────────────────── */

.panel {
  background: var(--stone);
  box-shadow: var(--bevel);
  padding: 20px;
}
.panel + .panel { margin-top: 16px; }

.panel-head { margin-bottom: 16px; }
.panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: .05em;
  text-shadow: 3px 3px 0 var(--edge-dk);
}
.panel-sub { margin: 2px 0 0; font-size: .86rem; color: var(--muted); }

/* ─────────────────────────────── mini-game ─────────────────────────────── */

.hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 12px;
}
.hud-cell {
  background: #151a23;
  box-shadow: var(--bevel-in);
  padding: 8px 6px;
  text-align: center;
}
.hud-key {
  display: block;
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.hud-val {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.3rem;
}
.hud-val.is-urgent { color: var(--redstone); }

.canvas-wrap { position: relative; }

#mine-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #0d1016;
  image-rendering: pixelated;
  box-shadow: var(--bevel-in);
  touch-action: none;
  cursor: crosshair;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  background: rgba(9, 11, 16, .84);
}
.overlay.is-hidden { display: none; }
.overlay-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: .05em;
  text-shadow: 3px 3px 0 var(--edge-dk);
}
.overlay-text { margin: 0; max-width: 34ch; font-size: .9rem; color: #c3cad6; }
.overlay-foot { margin: 0; min-height: 1.2em; font-size: .84rem; color: var(--torch); }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted);
}
.legend li { display: flex; align-items: center; gap: 6px; }
.chip {
  width: 11px;
  height: 11px;
  background: var(--chip);
  box-shadow: inset -2px -2px 0 rgba(0, 0, 0, .35);
}

.board { list-style: none; margin: 0; padding: 0; counter-reset: rank; }
.board li {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: #171c25;
  box-shadow: var(--bevel-in);
}
.board li + li { margin-top: 4px; }
.board li.is-you { background: #23301f; }
.board-rank { font-family: var(--font-mono); color: var(--muted); font-size: .85rem; }
.board li:nth-child(1) .board-rank { color: var(--torch); }
.board-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-score { font-family: var(--font-mono); font-weight: 600; color: var(--grass); }
.board-empty {
  display: block !important;
  color: var(--muted);
  font-size: .88rem;
  background: transparent !important;
  box-shadow: none !important;
  padding: 6px 0 !important;
}

/* ─────────────────────────────── buttons ─────────────────────────────── */

.btn {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: .03em;
  padding: 11px 20px;
  border: 0;
  cursor: pointer;
  color: var(--paper);
  background: var(--stone-2);
  box-shadow: var(--bevel);
  text-shadow: 2px 2px 0 rgba(0, 0, 0, .5);
}
.btn:hover { background: #2b3444; }
.btn:active { box-shadow: var(--bevel-in); transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
  color: #241c05;
  background: var(--torch);
  text-shadow: 2px 2px 0 rgba(255, 255, 255, .3);
  box-shadow: inset 2px 2px 0 var(--torch-lt), inset -2px -2px 0 var(--torch-dk);
}
.btn-primary:hover { background: #f6cd68; }
.btn-primary:active { box-shadow: inset -2px -2px 0 var(--torch-lt), inset 2px 2px 0 var(--torch-dk); }

.btn-copy { font-size: .95rem; padding: 9px 16px; }
.btn-ghost { font-size: .95rem; padding: 8px 14px; margin-left: auto; }

/* ─────────────────────────────── sections ─────────────────────────────── */

.section {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 46px 24px;
}

.section-title {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  letter-spacing: .05em;
  text-shadow: 4px 4px 0 var(--edge-dk);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--stone);
  box-shadow: var(--bevel);
  padding: 22px 20px 20px;
}
.step-num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  /* digits live in the mono face — the pixel display face reads 2 as 8 at this size */
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
  color: #241c05;
  background: var(--torch);
  box-shadow: inset 2px 2px 0 var(--torch-lt), inset -2px -2px 0 var(--torch-dk);
}
.step-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: .03em;
}
.step p { margin: 0; font-size: .94rem; color: #c3cad6; }

.rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  max-width: 900px;
}
.rules li {
  background: var(--stone);
  box-shadow: var(--bevel);
  padding: 14px 18px;
  font-size: .95rem;
  color: #c3cad6;
}
.rules strong { color: var(--paper); }

/* ─────────────────────────────── account ─────────────────────────────── */

/* in-game command reference, under the hero copy */
.cmds {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.cmds li {
  display: flex;
  align-items: baseline;
  gap: 6px 14px;
  flex-wrap: wrap;
  background: var(--stone);
  box-shadow: var(--bevel);
  padding: 10px 14px;
}
.cmds code {
  background: transparent;
  padding: 0;
  font-size: .92rem;
  font-weight: 600;
}
.cmds span { font-size: .82rem; color: var(--muted); }

.account-grid {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.account-col .panel + .panel { margin-top: 0; }

.info-panel p { margin: 0 0 12px; font-size: .92rem; color: #c3cad6; }
.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: .92rem;
  color: #c3cad6;
}
/* absolute marker, not a grid column — inline <code> children would become their own
   grid items and land in the marker column */
.info-list li { position: relative; padding-left: 22px; }
.info-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .55em;
  width: 9px;
  height: 9px;
  background: var(--grass);
  box-shadow: inset -2px -2px 0 rgba(0, 0, 0, .35);
}

.tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.tab {
  flex: 1;
  font-family: var(--font-display);
  font-size: 1.1rem;
  padding: 10px 12px;
  border: 0;
  cursor: pointer;
  color: var(--muted);
  background: #171c25;
  box-shadow: var(--bevel-in);
}
.tab.is-active {
  color: var(--paper);
  background: var(--stone-2);
  box-shadow: var(--bevel);
  border-bottom: 3px solid var(--torch);
}

.form { display: grid; gap: 14px; }
.form-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: .03em;
}
.field { display: grid; gap: 6px; }
.field-label {
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.field-hint { font-size: .78rem; color: var(--muted); }
.input {
  width: 100%;
  padding: 12px 14px;
  border: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--paper);
  background: #10131a;
  box-shadow: inset 2px 2px 0 var(--edge-dk), inset -2px -2px 0 rgba(255, 255, 255, .05);
}
.input::placeholder { color: #5e6879; }
/* :user-invalid, not :invalid — an untouched empty required field is not an error yet */
.input:user-invalid { box-shadow: inset 2px 2px 0 var(--edge-dk), inset -2px -2px 0 rgba(224, 87, 74, .55); }

.form-msg { margin: 0; min-height: 1.3em; font-size: .88rem; }
.form-msg.is-error { color: var(--redstone); }
.form-msg.is-ok { color: var(--grass); }

.card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.avatar {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: #241c05;
  background: var(--grass);
  box-shadow: inset 2px 2px 0 #a5e89a, inset -2px -2px 0 #3f8f34;
}
.card-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: .04em;
}
.card-meta { display: flex; align-items: center; gap: 8px; margin: 0; font-size: .84rem; color: var(--muted); }

.card-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin: 0 0 20px;
}
.card-facts > div { background: #171c25; box-shadow: var(--bevel-in); padding: 10px 12px; }
.card-facts dt {
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.card-facts dd { margin: 4px 0 0; font-family: var(--font-mono); font-size: .95rem; }

/* ─────────────────────────────── footer + toast ─────────────────────────────── */

.footer {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 30px 24px 60px;
  border-top: 2px solid var(--edge-dk);
  color: var(--muted);
}
.footer-line { margin: 0 0 4px; font-size: .9rem; }
.footer-note { margin: 0; font-size: .82rem; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(16px);
  padding: 12px 20px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--paper);
  background: rgba(16, 20, 27, .97);
  box-shadow: var(--bevel);
  opacity: 0;
  pointer-events: none;
  z-index: 120;
  transition: opacity .14s steps(2), transform .14s steps(2);
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─────────────────────────────── responsive ─────────────────────────────── */

@media (max-width: 980px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 34px; padding-bottom: 44px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .card-facts { grid-template-columns: minmax(0, 1fr); }
  .account-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 24px; }
  body { padding-bottom: 84px; }
  /* backdrop-filter would make .topbar the containing block for the fixed hotbar below */
  .topbar {
    position: static;
    background: transparent;
    border-bottom: 0;
    backdrop-filter: none;
  }
  .topbar-inner { padding-bottom: 4px; }
  .hotbar {
    position: fixed;
    left: 50%;
    bottom: 10px;
    transform: translateX(-50%);
    z-index: 90;
  }
  .hotbar li:nth-child(n + 6) { display: none; }
  .slot { width: 56px; height: 56px; }
  .slot-label { font-size: .85rem; }
}

@media (max-width: 560px) {
  .status-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ip-row { gap: 10px; }
  .btn-copy { width: 100%; }
  .slot { width: 15vw; height: 15vw; max-width: 56px; max-height: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .btn:active { transform: none; }
}