:root {
  --felt: #1b4d45;
  --felt-dark: #12362f;
  --paper: #f3ead7;
  --paper-dark: #e5d6b8;
  --ink: #241c14;
  --muted: #6d5e4b;
  --wood: #8a4b2f;
  --wood-dark: #6b341e;
  --cream: #fff8ec;
  --shadow: 0 18px 40px rgba(10, 24, 20, 0.35);
  --a: #7c3aed;
  --b: #2563eb;
  --c: #d4a017;
  --d: #dc2626;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #0f241f;
  color: var(--ink);
  font-family: Outfit, "Segoe UI", sans-serif;
}

body {
  min-height: 100dvh;
}

.felt {
  min-height: 100dvh;
  padding: 24px 16px 32px;
  background:
    radial-gradient(ellipse at top, #2a6d62 0%, transparent 55%),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 0 2px,
      transparent 2px 7px
    ),
    linear-gradient(180deg, var(--felt) 0%, var(--felt-dark) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.felt:has(#screen-menu.is-active) {
  position: relative;
  isolation: isolate;
  background: #10261f;
  padding: 20px 32px 18px;
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
}

.menu-pixel-bg {
  display: none;
  position: absolute;
  inset: -16px;
  width: calc(100% + 32px);
  height: calc(100% + 32px);
  z-index: 0;
  pointer-events: none;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  opacity: 0.48;
  filter: blur(3.5px);
}

.felt:has(#screen-menu.is-active) .menu-pixel-bg {
  display: block;
}

.felt:has(#screen-menu.is-active)::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse 72% 64% at 50% 34%,
    rgba(12, 28, 24, 0.62) 0%,
    rgba(12, 28, 24, 0.22) 48%,
    transparent 78%
  );
}

.felt > * {
  position: relative;
  z-index: 1;
}

.felt > .menu-pixel-bg {
  position: absolute;
  z-index: 0;
}

.screen {
  display: none;
  width: min(720px, 100%);
  margin: 0 auto;
}

.screen.is-active {
  display: block;
}

#screen-menu.is-active {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1 1 auto;
  width: min(980px, 100%);
  min-height: 0;
}

.menu-board {
  position: relative;
  flex: 0 1 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  grid-template-areas:
    "brand brand"
    "modes versus"
    "actions versus"
    "credit credit";
  column-gap: 28px;
  row-gap: 12px;
  align-items: start;
  width: 100%;
  margin: 6px auto;
  padding: 22px 28px 14px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(22, 48, 42, 0.94) 0%, rgba(12, 30, 26, 0.96) 100%);
  box-shadow:
    inset 0 0 0 2px rgba(255, 248, 236, 0.08),
    0 0 0 3px #d9c39a,
    0 0 0 12px #b08958,
    0 0 0 15px #6f4d22,
    0 22px 44px rgba(6, 14, 12, 0.5);
  backdrop-filter: blur(10px);
}

#screen-menu .brand { grid-area: brand; }
#screen-menu .mode-toggle { grid-area: modes; }
#screen-menu .menu-actions { grid-area: actions; }
#screen-menu .versus-card { grid-area: versus; }
#screen-menu .credit { grid-area: credit; }

#screen-menu .brand,
#screen-menu .mode-toggle,
#screen-menu .menu-actions,
#screen-menu .versus-card,
#screen-menu .credit {
  position: relative;
  z-index: 4;
}

.menu-frame-wrap {
  position: absolute;
  inset: -15px;
  pointer-events: none;
  z-index: 3;
}

.menu-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.menu-path {
  fill: none;
  stroke-width: 5.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.menu-path-a { stroke: var(--a); }
.menu-path-b { stroke: var(--b); }
.menu-path-c { stroke: var(--c); }
.menu-path-d { stroke: var(--d); }

.menu-node {
  position: absolute;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font: 800 0.68rem Outfit, sans-serif;
  line-height: 1;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.28);
}

.menu-node-a {
  background: var(--a);
  color: var(--cream);
}

.menu-node-b {
  background: var(--b);
  color: var(--cream);
}

.menu-node-c {
  background: var(--c);
  color: #3a2704;
}

.menu-node-d {
  background: var(--d);
  color: var(--cream);
}

.mn-a1 { left: 4%; top: 33%; }
.mn-a2 { left: 33%; top: 4%; }
.mn-b1 { left: 67%; top: 4%; }
.mn-b2 { left: 96%; top: 33%; }
.mn-c1 { left: 96%; top: 67%; }
.mn-c2 { left: 67%; top: 96%; }
.mn-d1 { left: 33%; top: 96%; }
.mn-d2 { left: 4%; top: 67%; }

@media (max-height: 900px) {
  .felt:has(#screen-menu.is-active) {
    padding: 16px 24px 14px;
  }

  .menu-board {
    padding: 16px 20px 10px;
    row-gap: 8px;
  }

  .menu-node {
    width: 20px;
    height: 20px;
    font-size: 0.62rem;
  }
}

.screen[hidden] {
  display: none !important;
}

.brand {
  text-align: center;
  color: var(--cream);
  padding: 2px 8px 0;
}

.logo {
  width: min(320px, 70vw);
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 8px 0 rgba(0, 0, 0, 0.18));
}

.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;
}

h1,
h2,
.play-title h2 {
  font-family: Fraunces, Georgia, serif;
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 4rem);
  letter-spacing: -0.03em;
}

.tagline,
#level-meta,
.hint-line {
  color: #d9efe8;
}

.tagline {
  max-width: 36rem;
  margin: 8px auto 0;
  font-size: 1.05rem;
}

.play-counter {
  margin: 8px auto 0;
  color: #fff3c4;
  font-weight: 700;
  font-size: 0.95rem;
}

.play-counter strong {
  color: var(--cream);
  font-variant-numeric: tabular-nums;
  font-size: 1.08rem;
}

.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  width: 100%;
  margin: 0;
  padding: 5px;
  border-radius: 22px;
  background: rgba(255, 248, 236, 0.1);
  box-shadow: inset 0 0 0 2px rgba(255, 248, 236, 0.16);
}

.mode-btn {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 8px 6px;
  min-height: 42px;
  font: 700 0.78rem Outfit, sans-serif;
  line-height: 1.15;
  color: #d9efe8;
  background: transparent;
  cursor: pointer;
  white-space: normal;
  pointer-events: auto;
  position: relative;
  z-index: 1;
}

.mode-btn.is-active {
  background: var(--cream);
  color: var(--ink);
}

.menu-actions {
  display: grid;
  gap: 10px;
  width: 100%;
  margin: 0;
}

#screen-menu .menu-actions {
  align-self: start;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font: 700 1rem Outfit, sans-serif;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

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

.btn-primary {
  background: var(--c);
  color: #3a2704;
  box-shadow: 0 6px 0 #9a7410;
}

.btn-ghost {
  background: rgba(255, 248, 236, 0.12);
  color: var(--cream);
  box-shadow: inset 0 0 0 2px rgba(255, 248, 236, 0.22);
}

.btn-tiny {
  padding: 8px 14px;
  font-size: 0.85rem;
  background: var(--wood);
  color: #fff4e4;
  box-shadow: 0 3px 0 var(--wood-dark);
}

.btn-block {
  width: 100%;
  display: block;
}

.modal-card .btn-ghost {
  background: #efe3c8;
  color: var(--ink);
  box-shadow: inset 0 0 0 2px rgba(36, 28, 20, 0.16);
}

.versus-card {
  width: 100%;
  margin: 0;
  padding: 14px 14px 12px;
  text-align: center;
  border-radius: 20px;
  align-self: stretch;
  background:
    linear-gradient(180deg, rgba(255, 243, 196, 0.18), rgba(255, 248, 236, 0.08));
  box-shadow:
    inset 0 0 0 2px rgba(255, 243, 196, 0.55),
    0 10px 22px rgba(8, 20, 16, 0.22);
}

.versus-badge {
  display: inline-block;
  margin: 0 6px 0 0;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--c);
  color: #3a2704;
  font: 800 0.65rem Outfit, sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  vertical-align: middle;
}

.versus-title {
  display: inline;
  margin: 0;
  color: var(--cream);
  font-family: Fraunces, Georgia, serif;
  font-size: 1.15rem;
  vertical-align: middle;
}

.versus-hint {
  margin: 5px auto 8px;
  max-width: 22rem;
  color: #fff3c4;
  font-size: 0.78rem;
  line-height: 1.25;
}

.players-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.players-btn {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 6px 4px 5px;
  color: #3a2704;
  background: var(--cream);
  box-shadow: 0 3px 0 #c4a15a;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.players-btn:hover,
.players-btn:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.players-btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 #c4a15a;
}

.players-num {
  display: block;
  font: 800 1.25rem Outfit, sans-serif;
  line-height: 1;
}

.players-word {
  display: block;
  margin-top: 1px;
  font: 700 0.62rem Outfit, sans-serif;
  letter-spacing: 0.02em;
  opacity: 0.75;
}

.felt:has(#screen-play.is-vs.is-active) {
  padding: 10px 10px 12px;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
}

#screen-play.is-vs.is-active {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  width: min(1600px, 100%);
  min-height: 0;
  height: calc(100dvh - 22px);
}

#screen-play.is-vs .play-bar {
  flex-shrink: 0;
  margin-bottom: 8px;
}

#screen-play.is-vs .play-title h2 {
  font-size: 1.15rem;
}

#vs-play {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  overflow: hidden;
}

#vs-play[hidden] {
  display: none !important;
}

.vs-timer {
  margin: 6px 0 0;
  font: 800 1.7rem Outfit, sans-serif;
  letter-spacing: 0.04em;
  color: #fff3c4;
}

.vs-timer.is-urgent {
  color: #fecaca;
  animation: vs-pulse 0.55s ease-in-out infinite alternate;
}

@keyframes vs-pulse {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.vs-arena {
  flex: 1 1 auto;
  display: grid;
  gap: 8px;
  width: 100%;
  min-height: 0;
  overflow: hidden;
}

.vs-arena.is-2 {
  grid-template-columns: 1fr 1fr;
}

.vs-arena.is-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.vs-arena.is-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
}

.vs-arena.is-4 .vs-pane {
  padding: 6px;
}

.vs-arena.is-4 .vs-pane-head strong {
  font-size: 0.85rem;
}

.vs-arena.is-4 .vs-coach {
  display: none;
}

.vs-arena.is-4 .vs-board-slot canvas {
  border-width: 6px;
}

.vs-pane {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255, 248, 236, 0.08);
  box-shadow: inset 0 0 0 3px var(--player, #fff8ec);
}

.vs-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--cream);
  margin-bottom: 6px;
  flex-shrink: 0;
}

.vs-pane-head strong {
  font-size: 0.95rem;
}

.vs-pane-stat {
  font-size: 0.8rem;
  opacity: 0.85;
}

.vs-board-slot {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
}

.vs-board-slot canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: block;
  background: var(--paper);
  border: 8px solid #b08958;
  border-radius: 18px;
  box-shadow: inset 0 0 0 3px #d9c39a;
  touch-action: none;
  cursor: grab;
}

.vs-pane-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
  flex-shrink: 0;
}

.vs-coach {
  margin: 0;
  min-height: 1.2em;
  color: #d9efe8;
  font-size: 0.78rem;
  flex: 1;
}

.vs-mini {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 5px 10px;
  font: 700 0.72rem Outfit, sans-serif;
  color: var(--cream);
  background: rgba(255, 248, 236, 0.14);
  cursor: pointer;
}

.vs-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font: 800 1.4rem Outfit, sans-serif;
  text-align: center;
  padding: 12px;
}

.vs-overlay[hidden] {
  display: none;
}

.vs-overlay.is-saved {
  background: rgba(21, 128, 61, 0.72);
  color: #ecfdf3;
}

.vs-overlay.is-out {
  background: rgba(20, 20, 20, 0.72);
  color: #fecaca;
}

@media (max-width: 820px) and (orientation: portrait) {
  .vs-arena.is-2,
  .vs-arena.is-3 {
    grid-template-columns: 1fr;
  }

  .vs-arena.is-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr);
  }

  .vs-timer {
    font-size: 1.3rem;
  }

  .vs-overlay {
    font-size: 1.1rem;
  }
}

.credit {
  margin-top: 4px;
  padding: 6px 4px 0;
  text-align: center;
  color: #d9efe8;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 16px;
}

.credit p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 500;
}

.credit-stamp {
  width: 56px;
  height: auto;
  display: block;
  margin: 0;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.32));
}

.social {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0;
}

.social a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--cream);
  background: rgba(255, 248, 236, 0.12);
  box-shadow: inset 0 0 0 2px rgba(255, 248, 236, 0.16);
}

.social a:hover,
.social a:focus-visible {
  background: var(--cream);
  color: var(--felt-dark);
}

.social svg {
  width: 20px;
  height: 20px;
}

.credit-web {
  color: var(--cream);
  font-weight: 700;
  text-decoration: none;
}

.credit-web:hover,
.credit-web:focus-visible {
  text-decoration: underline;
}

.panel {
  background: var(--paper);
  border-radius: 28px;
  padding: 28px 24px;
  box-shadow: var(--shadow), inset 0 0 0 3px var(--paper-dark);
  color: var(--ink);
}

.panel-wide {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.howto-lead {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.5;
}

.rule-list {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.rule-card {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 12px;
  align-items: center;
  background: #fff8ec;
  border-radius: 18px;
  padding: 10px 12px;
}

.rule-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.95rem;
}

.rule-card strong {
  color: var(--ink);
}

.rule-svg {
  width: 108px;
  height: 108px;
  background: #f7f0e0;
  border-radius: 14px;
}

.badge {
  margin: 0 0 4px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-bad {
  color: #dc2626;
}

.badge-ok {
  color: #15803d;
}

.rule-card-ok {
  box-shadow: inset 0 0 0 2px rgba(21, 128, 61, 0.28);
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.level-card {
  appearance: none;
  border: 0;
  text-align: left;
  background: var(--cream);
  border-radius: 18px;
  padding: 14px;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--paper-dark);
  font: 600 0.95rem Outfit, sans-serif;
  color: var(--ink);
}

.level-card small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-weight: 500;
}

.level-card.is-done {
  box-shadow: 0 4px 0 #b7d7a8;
  background: #eef8e8;
}

.play-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  color: var(--cream);
}

.play-title {
  text-align: center;
}

.play-title h2 {
  font-size: 1.35rem;
}

.play-title p,
.hint-line {
  margin: 4px 0 0;
  font-size: 0.92rem;
}

.icon-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 248, 236, 0.14);
  color: var(--cream);
  font-size: 1.1rem;
  cursor: pointer;
}

.status-row {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 16px 0;
}

.stat {
  background: rgba(255, 248, 236, 0.12);
  color: var(--cream);
  border-radius: 16px;
  padding: 8px 16px;
  min-width: 110px;
  text-align: center;
}

.stat span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
}

.board-wrap {
  display: grid;
  justify-items: center;
}

#board {
  width: min(92vw, 560px);
  height: auto;
  background: var(--paper);
  border: 12px solid #b08958;
  border-radius: 28px;
  box-shadow: var(--shadow), inset 0 0 0 4px #d9c39a;
  touch-action: none;
  cursor: grab;
}

.hint-line {
  min-height: 1.4em;
}

.play-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 18, 0.55);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 20;
}

.confetti-layer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 25;
}

.modal[hidden] {
  display: none;
}

.modal-card {
  width: min(420px, 100%);
  background: var(--paper);
  border-radius: 28px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}

.modal-card p {
  color: var(--muted);
}

@media (max-width: 600px) {
  .play-actions .btn {
    padding: 12px 16px;
  }
}

@media (max-width: 760px) {
  .felt:has(#screen-menu.is-active) {
    height: auto;
    min-height: 100dvh;
    overflow: auto;
    padding: 18px 16px 16px;
  }

  #screen-menu.is-active {
    width: min(560px, 100%);
  }

  .menu-board {
    display: flex;
    flex-direction: column;
    padding: 20px 16px 12px;
  }

  .mode-toggle,
  .versus-card,
  #screen-menu .menu-actions {
    width: min(360px, 100%);
    margin-left: auto;
    margin-right: auto;
  }

  .credit {
    flex-direction: column;
    gap: 8px;
  }

  .credit-stamp {
    width: min(64px, 18vw);
  }
}