/* =========================================================================
   mines.livive.net — retro arcade cabinet theme
   ========================================================================= */

:root {
  color-scheme: dark;
  --bg: #05050c;
  --panel: #101024;
  --panel-2: #171733;
  --edge: #2c2c56;
  --ink: #e6e9ff;
  --muted: #8b8fc4;
  --magenta: #ff2fb9;
  --cyan: #22e0ff;
  --yellow: #ffd23f;
  --green: #4dff88;
  --red: #ff4d5e;
  --font-pixel: 'Press Start 2P', 'Courier New', monospace;
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Courier New', monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 700px at 50% -10%, #191940 0%, transparent 60%),
    radial-gradient(900px 600px at 50% 120%, #2a0b3a 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  line-height: 1.4;
  -webkit-text-size-adjust: 100%;
}

a {
  color: var(--cyan);
}

a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0px,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

.cabinet {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 14px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ------------------------------------------------------------- marquee -- */

.marquee {
  text-align: center;
  padding: 18px 10px 12px;
  border: 2px solid var(--edge);
  border-radius: 14px;
  background: linear-gradient(180deg, #17173a, #0d0d20);
  box-shadow:
    0 0 0 2px #050510,
    0 0 26px rgba(255, 47, 185, 0.25),
    inset 0 0 40px rgba(34, 224, 255, 0.08);
}

.marquee h1 {
  margin: 0;
  font-family: var(--font-pixel);
  font-size: clamp(16px, 5.4vw, 38px);
  letter-spacing: 1px;
  color: #fff;
  text-shadow:
    0 0 6px var(--cyan),
    0 0 18px var(--magenta),
    3px 3px 0 #b0179a;
}

.marquee .dot {
  color: var(--cyan);
  font-size: 0.62em;
  display: block;
  margin-top: 8px;
  text-shadow: 0 0 8px var(--cyan);
}

.tagline {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: clamp(10px, 2.2vw, 11px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ------------------------------------------------------------- controls -- */

.console {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 2px solid var(--edge);
  border-radius: 12px;
  background: var(--panel);
}

.tabs {
  display: inline-flex;
  border: 2px solid var(--edge);
  border-radius: 8px;
  overflow: hidden;
}

.tab {
  font-family: var(--font-pixel);
  font-size: 10px;
  padding: 10px 14px;
  border: 0;
  background: #0b0b1e;
  color: var(--muted);
  cursor: pointer;
  letter-spacing: 1px;
}

.tab + .tab {
  border-left: 2px solid var(--edge);
}

.tab:hover {
  color: var(--ink);
}

/* .tabs has overflow:hidden for the rounded corners, which clips an outer
   focus ring; draw the tab focus ring inside the button so it stays visible. */
.tab:focus-visible {
  outline-offset: -2px;
}

.tab.active {
  color: #05050c;
  background: linear-gradient(180deg, var(--yellow), #ff9f43);
  text-shadow: none;
}

.control-cluster {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.field {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--muted);
}

.field-label {
  letter-spacing: 0.1em;
}

input[type='number'],
select {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: #08081a;
  border: 2px solid var(--edge);
  border-radius: 6px;
  padding: 6px 8px;
}

input[type='number'] {
  width: 116px;
}

select {
  max-width: 220px;
}

input[type='number']:focus,
select:focus,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.btn {
  position: relative;
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--ink);
  background: linear-gradient(180deg, #26264d, #14142c);
  border: 2px solid var(--edge);
  border-radius: 7px;
  padding: 9px 12px;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--cyan);
}

.btn:active {
  transform: translateY(1px);
}

.btn.wide {
  width: 100%;
}

.btn.toggle.on {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 12px rgba(77, 255, 136, 0.25);
}

.btn[data-state='running'] {
  border-color: var(--red);
  color: var(--red);
}

#copy-link[data-flash]::after {
  content: attr(data-flash);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
}

.badge {
  font-size: 9px;
  letter-spacing: 0.06em;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--edge);
}

.badge-real {
  color: var(--green);
  border-color: var(--green);
}

.badge-stub {
  color: var(--yellow);
  border-color: var(--yellow);
}

.boot-error {
  border: 2px solid var(--red);
  color: var(--red);
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(255, 77, 94, 0.08);
  font-size: 12px;
}

/* -------------------------------------------------------------- stages -- */

main {
  display: block;
}

.panel {
  display: block;
}

.panel[hidden] {
  display: none;
}

.stage {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  align-items: flex-start;
}

.board-frame {
  padding: 10px;
  border: 3px solid var(--edge);
  border-radius: 12px;
  background: #08081a;
  box-shadow:
    inset 0 0 24px rgba(34, 224, 255, 0.08),
    0 0 20px rgba(0, 0, 0, 0.6);
}

/* --------------------------------------------------------------- board -- */

.board {
  --cols: 8;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  width: min(92vw, 440px);
  font-size: clamp(11px, 3.4vw, 22px);
  touch-action: manipulation;
}

/* ARIA rows wrap the 64 cells but contribute no boxes, so the 8x8 CSS grid
   layout is unchanged while the grid exposes real row semantics. */
.board-row {
  display: contents;
}

.cell {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 1em;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  background: linear-gradient(150deg, #454570 0%, #2a2a4a 60%, #20203c 100%);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.28),
    inset -1px -2px 0 rgba(0, 0, 0, 0.55);
  user-select: none;
  transition: background 90ms linear;
}

.board:not(.finished) .cell:not(.revealed):hover {
  background: linear-gradient(150deg, #5a5a8c 0%, #34345c 100%);
}

.cell:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.cell.revealed {
  cursor: default;
  background: #0c0c1e;
  box-shadow: inset 0 0 0 1px #1c1c38;
}

.cell.revealed.empty {
  background: #0a0a18;
}

.cell.cursor {
  box-shadow:
    inset 0 0 0 2px var(--cyan),
    inset -1px -2px 0 rgba(0, 0, 0, 0.55);
}

/* numbers */
.cell.n1 { color: #4aa3ff; }
.cell.n2 { color: #4dff88; }
.cell.n3 { color: #ff6b6b; }
.cell.n4 { color: #c58bff; }
.cell.n5 { color: #ffd23f; }
.cell.n6 { color: #4de0e0; }
.cell.n7 { color: #ff9f43; }
.cell.n8 { color: #e8e8ff; }

/* flag (CSS-drawn, no emoji) */
.cell.flagged::after {
  content: '';
  position: absolute;
  left: 30%;
  top: 24%;
  width: 42%;
  height: 34%;
  background: var(--red);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  filter: drop-shadow(0 0 4px rgba(255, 77, 94, 0.55));
}

.cell.flagged::before {
  content: '';
  position: absolute;
  left: 30%;
  top: 22%;
  width: 3px;
  height: 56%;
  background: #dfe3ff;
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.4);
}

/* mine (CSS-drawn) */
.cell.mine::before {
  content: '';
  position: absolute;
  inset: 18%;
  background:
    linear-gradient(#05050c, #05050c) center / 3px 100% no-repeat,
    linear-gradient(#05050c, #05050c) center / 100% 3px no-repeat;
  transform: rotate(45deg);
  opacity: 0.95;
}

.cell.mine::after {
  content: '';
  position: absolute;
  inset: 26%;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #9393bd, #05050c 72%);
}

.cell.mine.detonated {
  background: var(--red);
  animation: detonate 320ms ease-out;
}

.cell.mine.mine-shown {
  background: #2a0f18;
}

@keyframes detonate {
  from { filter: brightness(2.4); }
  to { filter: brightness(1); }
}

/* AI overlays */
.cell.heat {
  background: rgba(34, 224, 255, var(--heat, 0));
}

.cell.heat.revealed {
  background: rgba(34, 224, 255, calc(var(--heat, 0) * 0.6));
}

.cell.legal {
  box-shadow: inset 0 0 0 1px rgba(77, 255, 136, 0.28);
}

.cell.illegal {
  opacity: 0.55;
}

.cell.selected {
  background: linear-gradient(150deg, #6a5a00, #3a3200);
  box-shadow:
    inset 0 0 0 3px var(--yellow),
    0 0 14px rgba(255, 210, 63, 0.7);
  z-index: 2;
  animation: pulse 700ms ease-in-out infinite alternate;
}

.cell.selected.revealed {
  background: #241f00;
}

@keyframes pulse {
  from { filter: brightness(1); }
  to { filter: brightness(1.35); }
}

/* ----------------------------------------------------------------- HUD -- */

.hud-panel {
  width: min(92vw, 300px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 2px solid var(--edge);
  border-radius: 12px;
  background: var(--panel);
}

/* The live region is intentionally chrome-free and holds only the STATUS row so
   the per-tick clock updates stay out of assistive-tech announcements. */
.hud {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hud-status {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px dashed #22224a;
  padding-bottom: 6px;
}

.hud-label {
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.hud-value {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--ink);
}

.hud-value[data-state='won'] { color: var(--green); }
.hud-value[data-state='lost'] { color: var(--red); }
.hud-value[data-state='playing'] { color: var(--cyan); }

.hint {
  margin: 0;
  font-size: 10px;
  color: var(--muted);
  line-height: 1.6;
}

.dist {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dist-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dist-row {
  display: grid;
  grid-template-columns: 28px 1fr 44px;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}

.dist-name {
  color: var(--cyan);
}

.dist-bar {
  height: 8px;
  border-radius: 4px;
  background: #1b1b3a;
  overflow: hidden;
}

.dist-bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}

.dist-pct {
  text-align: right;
  color: var(--muted);
}

.ai-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.ai-buttons {
  display: flex;
  gap: 8px;
}

.ai-buttons .btn {
  flex: 1;
}

.range {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
}

input[type='range'] {
  accent-color: var(--magenta);
}

/* ---------------------------------------------------------------- race -- */

.race {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

.race-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: flex-start;
}

.race-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.race-title {
  margin: 0;
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(34, 224, 255, 0.6);
}

.race-side .board {
  width: min(44vw, 330px);
  font-size: clamp(9px, 2.6vw, 18px);
}

.race-side:last-child .race-title {
  color: var(--magenta);
  text-shadow: 0 0 10px rgba(255, 47, 185, 0.6);
}

.race-hud {
  margin: 0;
  font-size: 10px;
  color: var(--muted);
}

.race-bar {
  display: flex;
  gap: 10px;
}

.race-bar .btn.wide {
  width: auto;
  min-width: 160px;
}

.race-result {
  min-height: 20px;
  font-family: var(--font-pixel);
  font-size: 11px;
  text-align: center;
  color: var(--muted);
  line-height: 1.6;
}

.race-result.win { color: var(--green); }
.race-result.loss { color: var(--red); }
.race-result.draw { color: var(--yellow); }

/* -------------------------------------------------------------- footer -- */

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 10px;
  border-top: 1px solid var(--edge);
  padding-top: 12px;
}

.footer p {
  margin: 0;
}

/* ---------------------------------------------------------- responsive -- */

@media (max-width: 560px) {
  .console {
    flex-direction: column;
    align-items: stretch;
  }

  .tabs {
    width: 100%;
  }

  .tab {
    flex: 1;
    text-align: center;
  }

  .control-cluster {
    justify-content: space-between;
    width: 100%;
    min-width: 0;
  }

  .field {
    flex: 1;
    /* Allow the field (and the widget it wraps) to shrink below its content's
       min-content width, so long option labels can never force a horizontal
       scroll on narrow viewports regardless of the resolved mono font. */
    min-width: 0;
  }

  select {
    max-width: none;
    flex: 1;
    min-width: 0;
  }

  input[type='number'] {
    width: 100%;
    min-width: 0;
  }

  .race-grid {
    flex-direction: column;
    align-items: center;
  }

  .race-side .board {
    width: min(92vw, 360px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cell.selected,
  .cell.mine.detonated {
    animation: none;
  }
  .cell {
    transition: none;
  }
}