:root {
  color-scheme: light;
  --ink: #17201d;
  --muted: #6e7772;
  --paper: #fffdf4;
  --surface: rgba(255, 253, 244, 0.92);
  --surface-strong: #ffffff;
  --line: rgba(23, 32, 29, 0.1);
  --brand: #ff7a1a;
  --brand-dark: #8c4214;
  --lemon: #f6d95f;
  --orange: #ff7a1a;
  --orange-dark: #b94a13;
  --teal: #155f68;
  --teal-dark: #0e3941;
  --green: #1f8769;
  --shadow: 0 24px 70px rgba(10, 19, 16, 0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #10201c;
}

body {
  min-height: 100dvh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(140deg, rgba(246, 217, 95, 0.18), transparent 30rem),
    radial-gradient(circle at 85% 12%, rgba(255, 122, 26, 0.22), transparent 24rem),
    linear-gradient(180deg, #12221e 0%, #1d2d27 48%, #f4efd5 48%, #fff8d8 100%);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  touch-action: manipulation;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  transform: translateY(-180%);
  padding: 0.6rem 0.8rem;
  border-radius: 999px;
  color: #fff;
  background: #101816;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.connect4 {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(0.85rem, 2vw, 1.5rem);
}

.connect4__shell {
  width: min(1180px, 100%);
  display: grid;
  gap: clamp(0.75rem, 2vw, 1rem);
}

.connect4__topbar {
  min-width: 0;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 22px;
  background: rgba(255, 253, 244, 0.88);
  box-shadow: 0 20px 60px rgba(8, 16, 13, 0.18);
  backdrop-filter: blur(18px);
}

.connect4__brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
}

.connect4__brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 8px 18px rgba(23, 32, 29, 0.12);
}

.connect4__brand span,
.connect4__brand strong,
.connect4__brand small {
  display: block;
  min-width: 0;
}

.connect4__brand strong {
  font-size: 0.98rem;
  line-height: 1.1;
}

.connect4__brand small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.connect4__identity {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
}

.connect4__identity-name {
  min-width: 0;
  max-width: 18ch;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.connect4__link-button,
.connect4__button {
  appearance: none;
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  color: var(--ink);
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line), 0 8px 22px rgba(23, 32, 29, 0.08);
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease, background 160ms ease;
}

.connect4__link-button {
  min-height: 38px;
  padding-inline: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #d95715);
}

.connect4__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(296px, 348px);
  gap: clamp(0.85rem, 2vw, 1.1rem);
  align-items: start;
}

.connect4__board-panel,
.connect4__panel {
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.connect4__board-panel {
  display: grid;
  gap: clamp(0.8rem, 2vw, 1rem);
  padding: clamp(0.85rem, 2vw, 1.2rem);
}

.connect4__board-panel::before {
  content: '';
  display: none;
}

.connect4__headline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.connect4 h1,
.connect4 h2,
.connect4 p {
  margin-top: 0;
}

.connect4__eyebrow {
  margin: 0 0 0.25rem;
  color: var(--brand-dark);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.connect4 h1 {
  margin-bottom: 0;
  font-family: Fredoka, Inter, system-ui, sans-serif;
  font-size: clamp(2.25rem, 4.8vw, 4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.connect4 h2 {
  margin-bottom: 0.8rem;
  font-size: 0.98rem;
}

.connect4__rating {
  min-width: 96px;
  padding: 0.65rem 0.8rem;
  border-radius: 18px;
  color: #fff;
  text-align: center;
  background: #111816;
  box-shadow: 0 12px 28px rgba(16, 24, 22, 0.18);
}

.connect4__rating span,
.connect4__rating strong {
  display: block;
}

.connect4__rating span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.connect4__rating strong {
  font-size: 1.45rem;
  line-height: 1.1;
}

.connect4__status-row {
  display: grid;
  grid-template-columns: minmax(128px, 1fr) minmax(0, 1.1fr) minmax(128px, 1fr);
  gap: 0.65rem;
  align-items: stretch;
}

.connect4__player,
.connect4__status {
  min-width: 0;
  min-height: 58px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: inset 0 0 0 1px var(--line);
}

.connect4__player {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.75rem;
}

.connect4__player strong,
.connect4__player span:not(.connect4__disc) {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.connect4__player strong {
  font-size: 0.95rem;
}

.connect4__player span:not(.connect4__disc) {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.connect4__disc {
  width: 1.35rem;
  aspect-ratio: 1;
  border-radius: 50%;
  flex: 0 0 auto;
  box-shadow: inset 0 -4px 0 rgba(23, 32, 29, 0.18), inset 0 3px 0 rgba(255, 255, 255, 0.4);
}

.connect4__player--orange .connect4__disc {
  background: radial-gradient(circle at 35% 28%, #ffd08a, var(--orange) 64%, var(--orange-dark));
}

.connect4__player--yellow .connect4__disc {
  background: radial-gradient(circle at 35% 28%, #fff3a7, var(--lemon) 64%, #a97914);
}

.connect4__player.is-active {
  background: #fff;
  box-shadow: inset 0 0 0 2px rgba(255, 122, 26, 0.46), 0 12px 26px rgba(23, 32, 29, 0.1);
}

.connect4__player--yellow.is-active {
  box-shadow: inset 0 0 0 2px rgba(246, 217, 95, 0.88), 0 12px 26px rgba(23, 32, 29, 0.1);
}

.connect4__status {
  display: grid;
  place-items: center;
  margin-bottom: 0;
  padding: 0.65rem;
  color: #fff;
  text-align: center;
  background: linear-gradient(135deg, var(--teal), var(--green));
  font-weight: 900;
}

.connect4__status[data-turn='1'] {
  background: linear-gradient(135deg, var(--orange), var(--brand-dark));
}

.connect4__status[data-turn='2'] {
  color: #251a00;
  background: linear-gradient(135deg, #fff0a5, var(--lemon));
}

.connect4__board-wrap {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 0.55rem;
}

.connect4__board-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.connect4__column-controls,
.connect4__board,
.connect4__board-stage {
  width: min(100%, 680px);
}

.connect4__column-controls,
.connect4__board {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
}

.connect4__board-stage {
  position: relative;
}

.connect4__column-controls {
  gap: 0.35rem;
  padding-inline: clamp(0.42rem, 1.2vw, 0.7rem);
}

.connect4__drop {
  appearance: none;
  position: relative;
  display: grid;
  place-items: center;
  min-height: 32px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  box-shadow: none;
  transition: background 160ms ease, transform 160ms ease;
}

.connect4__drop::before {
  content: '';
  width: 20px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 28%, #fff3a7, var(--lemon) 64%, #a97914);
  box-shadow: 0 8px 16px rgba(23, 32, 29, 0.14), inset 0 -3px 0 rgba(23, 32, 29, 0.18), inset 0 2px 0 rgba(255, 255, 255, 0.45);
  transition: transform 160ms ease;
}

.connect4__column-controls[data-turn='1'] .connect4__drop::before {
  background: radial-gradient(circle at 35% 28%, #ffd08a, var(--orange) 64%, var(--orange-dark));
}

.connect4__drop span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.connect4__drop:hover:not(:disabled),
.connect4__drop:focus-visible:not(:disabled) {
  background: rgba(255, 255, 255, 0.55);
  transform: translateY(-1px);
}

.connect4__drop:hover:not(:disabled)::before,
.connect4__drop:focus-visible:not(:disabled)::before {
  transform: translateY(3px) scale(1.08);
}

.connect4__drop:disabled,
.connect4__button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.connect4__board {
  width: 100%;
  aspect-ratio: 8 / 6;
  gap: clamp(0.3rem, 0.9vw, 0.58rem);
  padding: clamp(0.5rem, 1.3vw, 0.8rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 22%),
    linear-gradient(180deg, #1e7480, var(--teal-dark));
  box-shadow: inset 0 0 0 1px rgba(8, 15, 14, 0.42), 0 22px 48px rgba(16, 31, 29, 0.28);
  overflow: hidden;
}

.connect4__line-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.connect4__score-line {
  stroke: #fff;
  stroke-width: 11;
  stroke-linecap: round;
  opacity: 0.68;
  filter: drop-shadow(0 6px 10px rgba(8, 15, 14, 0.26));
}

.connect4__score-line.is-current {
  stroke-width: 16;
  opacity: 0.95;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: c4-score-line 620ms ease forwards;
}

.connect4__score-panel {
  width: min(100%, 680px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(8rem, auto) minmax(0, 1fr);
  gap: 0.55rem;
  align-items: center;
}

.connect4__score-panel[hidden] {
  display: none;
}

.connect4__score-total,
.connect4__score-panel p {
  min-width: 0;
  margin: 0;
  border-radius: 16px;
  padding: 0.55rem 0.7rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px var(--line);
  text-align: center;
}

.connect4__score-total span,
.connect4__score-total strong {
  display: block;
}

.connect4__score-total span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.connect4__score-total strong {
  font-size: 1.35rem;
  line-height: 1;
}

.connect4__score-total--orange strong {
  color: var(--orange-dark);
}

.connect4__score-total--yellow strong {
  color: #8a6811;
}

.connect4__score-panel p {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 900;
}

.connect4__cell {
  position: relative;
  min-width: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
}

.connect4__cell::before {
  content: '';
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 28%, #ffffff, #ece8d6 62%, #c4baa1);
  box-shadow: inset 0 8px 13px rgba(8, 15, 14, 0.28);
  transform: translateY(0) scale(1);
  transform-origin: center;
}

.connect4__cell[data-piece='1']::before {
  background: radial-gradient(circle at 35% 28%, #ffd08a, var(--orange) 62%, var(--orange-dark));
  box-shadow: inset 0 -8px 0 rgba(111, 49, 9, 0.22), inset 0 5px 0 rgba(255, 255, 255, 0.34);
}

.connect4__cell[data-piece='2']::before {
  background: radial-gradient(circle at 35% 28%, #fff3a7, var(--lemon) 62%, #a97914);
  box-shadow: inset 0 -8px 0 rgba(110, 73, 0, 0.2), inset 0 5px 0 rgba(255, 255, 255, 0.42);
}

.connect4__cell.is-new::before {
  animation: c4-drop 440ms cubic-bezier(0.2, 0.8, 0.2, 1.08);
}

.connect4__cell.is-win::before {
  outline: 4px solid #fff;
  outline-offset: -2px;
}

.connect4__cell.is-scoring::before {
  animation: c4-win 920ms ease-in-out infinite;
}

.connect4__actions,
.connect4__room-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.connect4__button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--brand-dark));
}

.connect4__button:hover:not(:disabled),
.connect4__button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(23, 32, 29, 0.1), 0 12px 28px rgba(23, 32, 29, 0.13);
}

.connect4__button:active,
.connect4__drop:active {
  transform: translateY(1px);
}

.connect4__side {
  display: grid;
  gap: clamp(0.75rem, 2vw, 1rem);
}

.connect4__panel {
  padding: 1rem;
}

.connect4__panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.connect4__panel-heading h2 {
  margin-bottom: 0;
}

.connect4__panel-heading output {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 0.24rem 0.62rem;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--brand-dark));
  font-size: 0.76rem;
  font-weight: 900;
}

.connect4__slider {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.connect4__slider input[type='range'] {
  width: 100%;
  accent-color: var(--orange);
  cursor: pointer;
}

.connect4__modes,
.connect4__rules {
  display: grid;
  gap: 0.5rem;
}

.connect4__mode,
.connect4__rule {
  width: 100%;
  min-width: 0;
  border: 0;
  border-radius: 18px;
  padding: 0.78rem 0.85rem;
  color: var(--ink);
  text-align: left;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.connect4__mode:hover,
.connect4__mode:focus-visible,
.connect4__rule:hover,
.connect4__rule:focus-visible {
  transform: translateY(-1px);
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 122, 26, 0.22), 0 10px 24px rgba(23, 32, 29, 0.09);
}

.connect4__mode strong,
.connect4__mode span,
.connect4__rule strong,
.connect4__rule span {
  display: block;
}

.connect4__mode strong,
.connect4__rule strong {
  margin-bottom: 0.15rem;
  font-size: 0.98rem;
}

.connect4__mode span,
.connect4__rule span {
  color: var(--muted);
  font-size: 0.82rem;
}

.connect4__mode.is-active,
.connect4__rule.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--brand-dark));
  box-shadow: 0 12px 28px rgba(255, 122, 26, 0.2);
}

.connect4__mode.is-active span,
.connect4__rule.is-active span {
  color: rgba(255, 255, 255, 0.72);
}

.connect4__room-field {
  display: grid;
  flex: 1 1 140px;
  gap: 0.35rem;
}

.connect4__room-field span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.connect4__room-field input {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-radius: 14px;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
  text-transform: uppercase;
}

.connect4__room-status,
.connect4__rank-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.connect4__rank-list {
  display: grid;
  gap: 0.5rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.connect4__rank-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
  border-radius: 15px;
  padding: 0.58rem 0.65rem;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 0.86rem;
}

.connect4__rank-list li span:first-child {
  display: grid;
  place-items: center;
  width: 1.55rem;
  aspect-ratio: 1;
  border-radius: 50%;
  color: #fff;
  background: #111816;
  font-weight: 900;
}

.connect4__rank-list strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes c4-drop {
  0% {
    transform: translateY(calc(-1 * var(--drop-distance, 700%))) scale(0.92);
  }

  70% {
    transform: translateY(5%) scale(1.04, 0.96);
  }

  100% {
    transform: translateY(0) scale(1);
  }
}

@keyframes c4-win {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.12);
  }
}

@keyframes c4-score-line {
  to {
    stroke-dashoffset: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (min-width: 901px) {
  .connect4__column-controls,
  .connect4__board {
    width: min(100%, 590px);
  }

  .connect4__board-panel {
    justify-items: stretch;
  }
}

@media (max-width: 900px) {
  body {
    background:
      linear-gradient(180deg, #14251f 0%, #14251f 21rem, #fff8d8 21rem, #fff8d8 100%);
  }

  .connect4 {
    align-items: start;
    padding: 0.7rem;
  }

  .connect4__layout {
    grid-template-columns: 1fr;
  }

  .connect4__side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .connect4__side .connect4__panel:first-child {
    order: -1;
    grid-column: 1 / -1;
  }

  .connect4__ai-panel {
    order: 0;
    grid-column: 1 / -1;
  }

  .connect4__rules-panel {
    grid-column: 1 / -1;
  }

  .connect4__modes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .connect4__rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .connect4__mode,
  .connect4__rule {
    min-height: 82px;
    text-align: center;
  }
}

@media (max-width: 640px) {
  body {
    background:
      linear-gradient(180deg, #14251f 0%, #14251f 18.5rem, #fff8d8 18.5rem, #fff8d8 100%);
  }

  .connect4 {
    padding: 0;
  }

  .connect4__shell {
    width: 100vw;
    gap: 0.55rem;
  }

  .connect4__topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    min-height: 58px;
    border-top: 0;
    border-inline: 0;
    border-radius: 0 0 20px 20px;
    padding: max(0.45rem, env(safe-area-inset-top)) 0.65rem 0.55rem;
  }

  .connect4__brand {
    gap: 0.55rem;
  }

  .connect4__brand img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .connect4__brand strong {
    font-size: 0.9rem;
  }

  .connect4__brand small {
    font-size: 0.72rem;
  }

  .connect4__identity {
    gap: 0.45rem;
  }

  .connect4__identity-name {
    display: none;
  }

  .connect4__link-button {
    min-height: 36px;
    padding-inline: 0.8rem;
  }

  .connect4__board-panel,
  .connect4__panel {
    border-inline: 0;
    border-radius: 22px;
  }

  .connect4__board-panel {
    padding: 0.7rem;
    border-radius: 0 0 24px 24px;
  }

  .connect4__headline {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.65rem;
  }

  .connect4__eyebrow {
    font-size: 0.68rem;
  }

  .connect4 h1 {
    font-size: clamp(2rem, 10.5vw, 2.9rem);
  }

  .connect4__rating {
    min-width: 78px;
    padding: 0.55rem 0.6rem;
    border-radius: 15px;
  }

  .connect4__rating strong {
    font-size: 1.25rem;
  }

  .connect4__status-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .connect4__status {
    grid-column: 1 / -1;
    grid-row: 1;
    min-height: 48px;
    order: -1;
  }

  .connect4__player {
    min-height: 52px;
  }

  .connect4__board-hint {
    display: none;
  }

  .connect4__column-controls,
  .connect4__board,
  .connect4__board-stage,
  .connect4__score-panel {
    width: 100%;
  }

  .connect4__column-controls {
    padding-inline: 0.3rem;
    gap: 0.16rem;
  }

  .connect4__drop {
    min-height: 28px;
    border-radius: 10px;
  }

  .connect4__drop::before {
    width: 16px;
  }

  .connect4__board {
    gap: 0.24rem;
    padding: 0.35rem;
    border-radius: 18px;
  }

  .connect4__score-panel {
    grid-template-columns: 1fr 1fr;
  }

  .connect4__score-panel p {
    grid-column: 1 / -1;
    order: -1;
  }

  .connect4__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .connect4__button {
    min-height: 44px;
    padding-inline: 0.75rem;
  }

  .connect4__side {
    grid-template-columns: 1fr;
    padding-inline: 0.65rem;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  }

  .connect4__modes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .connect4__mode,
  .connect4__rule {
    min-height: 70px;
    padding: 0.68rem 0.55rem;
  }

  .connect4__mode span,
  .connect4__rule span {
    font-size: 0.76rem;
  }

  .connect4__room-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .connect4__slider {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .connect4__slider span:last-child {
    justify-self: end;
  }
}

/* Lemon Goose quick-play pass: keep the board and the two useful modes in the
   viewport; matchmaking/ranking setup was visual weight, not core play. */
html,
body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  color: #15110c;
  background:
    linear-gradient(90deg, rgba(255, 250, 240, 0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 250, 240, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 14% 6%, rgba(255, 217, 46, 0.24), transparent 21rem),
    radial-gradient(circle at 88% 90%, rgba(255, 122, 26, 0.28), transparent 23rem),
    #15110c;
  background-size: 28px 28px, 28px 28px, auto, auto, auto;
}

.connect4 {
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

.connect4__shell,
.connect4__layout,
.connect4__board-panel,
.connect4__side {
  min-height: 0;
}

.connect4__shell {
  max-height: calc(100dvh - clamp(1.7rem, 4vw, 3rem));
}

.connect4__topbar,
.connect4__board-panel,
.connect4__panel {
  border: 2px solid #15110c;
  background: linear-gradient(180deg, #fffdf5, #fff0c7);
  box-shadow: 5px 5px 0 #15110c;
  backdrop-filter: none;
}

.connect4__identity,
.connect4__rating,
.connect4__mode[data-mode='match'],
.connect4__mode[data-mode='friend'],
.connect4__rules-panel,
.connect4__side > .connect4__panel:has([data-rank-list]),
.connect4__actions [data-copy-link],
.connect4__side [data-friend-panel] {
  display: none !important;
}

.connect4__side {
  align-content: start;
  overflow: hidden;
}

.connect4__modes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.connect4__mode,
.connect4__rule,
.connect4__button,
.connect4__link-button {
  border: 2px solid #15110c;
  border-radius: 999px;
  box-shadow: 3px 3px 0 #15110c;
}

.connect4__mode.is-active,
.connect4__rule.is-active,
.connect4__button--primary {
  color: #15110c;
  background: #ffd92e;
  box-shadow: 3px 3px 0 #15110c;
}

.connect4__mode.is-active span,
.connect4__rule.is-active span {
  color: #4a260f;
}

.connect4__board {
  border: 3px solid #15110c;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 22%),
    linear-gradient(180deg, #91c9c5, #67aaa9);
  box-shadow: 7px 8px 0 rgba(21, 17, 12, 0.16);
}

.connect4__status {
  color: #fffdf0;
  background: #4a260f;
}

.connect4__status[data-turn='1'] {
  color: #fffdf0;
  background: #c84f00;
}

.connect4__status[data-turn='2'] {
  color: #15110c;
  background: #ffd92e;
}

@media (min-width: 901px) {
  .connect4__column-controls,
  .connect4__board,
  .connect4__board-stage {
    width: min(100%, 590px, calc((100dvh - 310px) * 1.333));
  }
}

@media (max-width: 900px) {
  body {
    background:
      linear-gradient(90deg, rgba(255, 250, 240, 0.055) 1px, transparent 1px),
      linear-gradient(0deg, rgba(255, 250, 240, 0.055) 1px, transparent 1px),
      radial-gradient(circle at 14% 6%, rgba(255, 217, 46, 0.24), transparent 21rem),
      #15110c;
    background-size: 28px 28px, 28px 28px, auto, auto;
  }

  .connect4__shell {
    height: calc(100dvh - 1.4rem);
    max-height: calc(100dvh - 1.4rem);
  }

  .connect4__layout {
    height: min(100%, calc(100dvh - 78px));
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .connect4__side {
    order: -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.5fr);
    gap: 0.55rem;
  }

  .connect4__side .connect4__panel:first-child,
  .connect4__ai-panel {
    grid-column: auto;
  }

  .connect4__panel {
    padding: 0.65rem;
  }

  .connect4__panel h2 {
    margin-bottom: 0.45rem;
  }

  .connect4__mode {
    min-height: 50px;
    padding: 0.55rem;
  }

  .connect4__mode span {
    display: none;
  }

  .connect4__board-panel {
    flex: 1 1 auto;
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .connect4__shell {
    height: 100dvh;
    max-height: 100dvh;
  }

  .connect4__topbar {
    flex: 0 0 auto;
    min-height: 52px;
    border: 0;
    border-bottom: 2px solid #15110c;
    border-radius: 0;
    box-shadow: none;
  }

  .connect4__layout {
    height: calc(100dvh - 52px);
    align-items: stretch;
  }

  .connect4__side {
    display: block;
    width: 100%;
    padding: 0.45rem 0.5rem 0;
  }

  .connect4__side .connect4__panel:first-child {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .connect4__side .connect4__panel:first-child h2,
  .connect4__ai-panel {
    display: none;
  }

  .connect4__modes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .connect4__mode {
    min-height: 42px;
    padding: 0.48rem 0.55rem;
    border-radius: 12px;
  }

  .connect4__board-panel {
    flex: 0 0 auto;
    width: 100%;
    padding: 0.5rem;
    gap: 0.4rem;
    align-content: start;
    border-inline: 0;
    border-bottom: 0;
    border-radius: 18px 18px 0 0;
    box-shadow: none;
  }

  .connect4__headline {
    display: none;
  }

  .connect4__status-row {
    grid-template-columns: minmax(0, 1fr) minmax(110px, 1.2fr) minmax(0, 1fr);
    gap: 0.35rem;
  }

  .connect4__status {
    grid-column: 2;
    grid-row: 1;
    min-height: 44px;
    padding: 0.4rem;
    font-size: 0.76rem;
  }

  .connect4__player {
    min-height: 44px;
    padding: 0.4rem 0.45rem;
  }

  .connect4__player--orange { grid-column: 1; grid-row: 1; }
  .connect4__player--yellow { grid-column: 3; grid-row: 1; }

  .connect4__player span:not(.connect4__disc) {
    display: none;
  }

  .connect4__player strong {
    font-size: 0.78rem;
  }

  .connect4__disc {
    width: 1rem;
  }

  .connect4__column-controls,
  .connect4__board,
  .connect4__board-stage {
    width: min(100%, calc((100dvh - 205px) * 1.333));
  }

  .connect4__board-wrap {
    align-content: start;
  }

  .connect4__column-controls {
    height: 28px;
  }

  .connect4__board-stage {
    aspect-ratio: 8 / 6;
  }

  .connect4__status-row,
  .connect4__actions,
  .connect4__button,
  [data-new-round] {
    height: auto;
  }

  .connect4__actions {
    display: flex;
    justify-content: center;
  }

  .connect4__button {
    width: min(100%, 240px);
    min-height: 42px;
    border-radius: 12px;
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  .connect4,
  .connect4__shell {
    width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    padding: 0;
    gap: 0;
  }

  .connect4__topbar {
    position: fixed;
    z-index: 10;
    top: max(0.4rem, env(safe-area-inset-top));
    left: max(0.4rem, env(safe-area-inset-left));
    min-height: 34px;
    display: flex;
    padding: 0.25rem 0.45rem;
    border: 2px solid #15110c;
    border-radius: 999px;
    background: #fffdf0;
    box-shadow: 3px 3px 0 #15110c;
  }

  .connect4__brand {
    gap: 0;
  }

  .connect4__brand img,
  .connect4__brand small {
    display: none;
  }

  .connect4__brand strong {
    font-size: 0.72rem;
  }

  .connect4__layout {
    width: 100vw;
    height: 100dvh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 0;
    align-items: stretch;
  }

  .connect4__board-panel {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    height: 100dvh;
    padding: 0.45rem;
    gap: 0.35rem;
    align-content: center;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .connect4__side {
    grid-column: 2;
    grid-row: 1;
    width: 180px;
    padding: 0.5rem;
    align-self: center;
  }

  .connect4__side .connect4__panel:first-child {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .connect4__side .connect4__panel:first-child h2,
  .connect4__ai-panel,
  .connect4__headline,
  .connect4__board-hint {
    display: none;
  }

  .connect4__status-row {
    grid-template-columns: minmax(0, 1fr) minmax(110px, 1.1fr) minmax(0, 1fr);
    gap: 0.3rem;
  }

  .connect4__status,
  .connect4__player {
    min-height: 40px;
    padding: 0.35rem 0.4rem;
    font-size: 0.74rem;
  }

  .connect4__status {
    grid-column: 2;
    grid-row: 1;
  }

  .connect4__player--orange { grid-column: 1; grid-row: 1; }
  .connect4__player--yellow { grid-column: 3; grid-row: 1; }

  .connect4__player span:not(.connect4__disc) {
    display: none;
  }

  .connect4__player strong {
    font-size: 0.76rem;
  }

  .connect4__board-wrap {
    gap: 0.25rem;
    align-content: start;
  }

  .connect4__column-controls {
    height: 24px;
  }

  .connect4__board-stage {
    aspect-ratio: 8 / 6;
  }

  .connect4__column-controls,
  .connect4__board,
  .connect4__board-stage {
    width: min(100%, calc((100dvh - 150px) * 1.333));
  }

  .connect4__modes {
    grid-template-columns: 1fr;
  }

  .connect4__mode {
    min-height: 42px;
    padding: 0.5rem;
    text-align: center;
  }

  .connect4__mode span {
    display: none;
  }

  .connect4__actions {
    height: auto;
    display: flex;
    justify-content: center;
  }

  .connect4__button,
  [data-new-round] {
    width: min(100%, 220px);
    height: 40px;
    min-height: 40px;
    padding: 0.45rem 0.7rem;
  }
}
/* Visible numbers identify keyboard shortcuts and roomy mobile drop buttons. */
.connect4__column-controls {
  height: auto !important;
  min-height: 44px;
}
.connect4__drop {
  min-height: 44px !important;
  touch-action: manipulation;
}
.connect4__drop::before {
  position: absolute;
  width: 32px;
}
.connect4__drop span {
  position: relative;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  color: #304b38;
  font-weight: 800;
  z-index: 1;
}
@media (max-width: 480px), (max-height: 540px) and (orientation: landscape) {
  .connect4__column-controls {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 3px;
  }
}

/* Keep setup and round actions available instead of clipping a fixed cabinet. */
html, body { height:auto; min-height:100%; overflow:auto; background:#edf2e9; }
body { background:#edf2e9 !important; }
.connect4 { height:auto; min-height:100dvh; overflow:visible; }
.connect4__shell, .connect4__layout { height:auto; max-height:none; overflow:visible; }
.connect4__topbar, .connect4__board-panel, .connect4__panel {
  border:1px solid #d8e2d1; background:#fbfcf6; box-shadow:0 8px 28px #243d2710;
}
.connect4__side { overflow:visible; }
.connect4__shell { width:min(1180px,100%); min-width:0; }
.connect4__layout, .connect4__side, .connect4__board-panel, .connect4__panel { min-width:0; }
.connect4__ai-panel { display:block !important; }
.connect4__headline { display:block !important; margin:0 0 8px; }
.connect4__headline .connect4__eyebrow, .connect4__headline .connect4__rating { display:none; }
.connect4__headline h1 { display:block !important; margin:0; font-size:1.15rem; }
@media (max-width:640px) and (max-height:650px) and (orientation:portrait) {
  .connect4__brand span { display:none; }
  .connect4__topbar { padding:6px 8px; }
  .connect4__headline { margin-bottom:4px; }
}
.connect4__ai-panel.is-inactive { display:none !important; }
.connect4__side-round { display:none; }
.connect4__slider input { min-height:44px; }
.connect4__cell[data-piece='1'] { box-shadow:inset 0 0 0 3px #93462a; }
.connect4__cell[data-piece='2'] { box-shadow:inset 0 0 0 3px #285b67; }
@media (max-width:900px) {
  .connect4__side { display:grid; grid-template-columns:1fr 1fr; width:100%; }
  .connect4__layout { display:flex; flex-direction:column; gap:10px; }
  .connect4__board-panel { flex:none; height:auto; overflow:visible; }
}
@media (max-width:640px) {
  .connect4 { padding:8px; }
  .connect4__shell { gap:8px; }
  .connect4__topbar { position:static; border-radius:14px; min-height:44px; }
  .connect4__layout { height:auto; }
  .connect4__side { grid-template-columns:1fr; padding:0; gap:6px; }
  .connect4__ai-panel { padding:6px 10px; }
  .connect4__ai-panel h2 { margin:0; font-size:.85rem; }
  .connect4__panel-heading { margin-bottom:0; }
  .connect4__slider { margin:0; }
  .connect4__slider { grid-template-columns:auto minmax(0,1fr) auto; }
  .connect4__board-panel { border:1px solid #d8e2d1; border-radius:16px; }
  .connect4__board-hint { display:block; margin:0; font-size:.72rem; }
  .connect4__board, .connect4__board-stage, .connect4__column-controls { width:100%; }
}
@media (max-height:560px) and (orientation:landscape) {
  .connect4 { width:100%; height:auto; padding:8px; }
  .connect4__shell { width:100%; height:auto; gap:6px; }
  .connect4__topbar { position:static; width:100%; min-height:38px; padding:4px 8px; border-radius:12px; }
  .connect4__layout { display:grid; width:100%; height:auto; grid-template-columns:minmax(0,1fr) 180px; gap:10px; align-items:start; }
  .connect4__board-panel { height:auto; padding:6px; gap:6px; align-content:start; border-radius:14px; }
  .connect4__side { width:100%; display:grid; grid-template-columns:1fr; padding:0; gap:8px; align-self:start; }
  .connect4__modes { grid-template-columns:1fr 1fr; gap:4px; }
  .connect4__mode { min-height:44px; }
  .connect4__ai-panel { padding:8px; }
  .connect4__ai-panel h2 { font-size:.75rem; margin:0; }
  .connect4__slider { flex-wrap:wrap; margin:0; gap:4px; }
  .connect4__slider { grid-template-columns:1fr 1fr; }
  .connect4__slider input { grid-column:1 / -1; grid-row:2; }
  .connect4__slider span:last-child { text-align:right; }
  .connect4__slider input { width:100%; }
  .connect4__status-row { grid-template-columns:1fr 1.2fr 1fr; }
  .connect4__status, .connect4__player { min-height:30px; }
  .connect4__board-hint { display:none; }
  .connect4__board-wrap { gap:6px; }
  .connect4__column-controls { width:100%; grid-template-columns:repeat(8,minmax(0,1fr)); gap:2px; }
  .connect4__drop { min-width:0; }
  .connect4__board, .connect4__board-stage { width:min(100%,calc((100dvh - 196px) * 1.333333)); }
  .connect4__actions { margin:0; }
  .connect4__actions { display:none; }
  .connect4__side-round { display:block; }
  .connect4__column-controls { width:min(100%,calc((100dvh - 196px) * 1.333333)); margin-inline:auto; }
  .connect4__button, [data-new-round] { min-height:44px; height:auto; }
}