:root {
  --bg-deep: #09172a;
  --bg-mid: #14345d;
  --panel: rgba(235, 242, 255, 0.96);
  --panel-soft: rgba(244, 248, 255, 0.9);
  --ink: #152237;
  --muted: #5e6a81;
  --line: rgba(20, 34, 57, 0.12);
  --board: #2258c8;
  --board-deep: #163b8b;
  --board-hole: #0a1d4e;
  --red: #f25c4a;
  --red-deep: #af231d;
  --yellow: #ffd34a;
  --yellow-deep: #d79d08;
  --glow: #8fc3ff;
  --shadow: 0 22px 48px rgba(3, 11, 24, 0.28);
  --slot-size: clamp(42px, 8vw, 78px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 211, 74, 0.18), transparent 22%),
    radial-gradient(circle at 88% 10%, rgba(242, 92, 74, 0.18), transparent 22%),
    linear-gradient(155deg, var(--bg-deep), var(--bg-mid));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.035), transparent 28%),
    linear-gradient(rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 80px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 80px);
  pointer-events: none;
  opacity: 0.4;
}

.connect-app {
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.connect-topbar,
.connect-controls-panel,
.board-panel,
.player-card,
.rules-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.connect-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-radius: 24px;
}

.connect-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.connect-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
}

.connect-brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--yellow), var(--red));
  color: #24150f;
  font-weight: 900;
}

.connect-brand-copy {
  display: grid;
  gap: 2px;
}

.connect-brand-copy strong {
  font-size: 1.04rem;
}

.connect-brand-copy span {
  color: var(--muted);
  font-size: 0.92rem;
}

.connect-return,
.connect-support,
.action-button,
.drop-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  border: 1px solid rgba(21, 34, 55, 0.12);
  text-decoration: none;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease;
}

.connect-return,
.connect-support,
.action-button {
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(145deg, #f8fbff, #dfe9fb);
  color: var(--ink);
}

.connect-support {
  background: linear-gradient(145deg, #ffdc42, #f0b90a);
  color: #24150f;
}

.action-button.primary {
  background: linear-gradient(145deg, var(--yellow), #ffb739);
  color: #24150f;
}

.connect-return:hover,
.connect-return:focus-visible,
.action-button:hover,
.action-button:focus-visible,
.drop-button:hover,
.drop-button:focus-visible {
  transform: translateY(-1px);
}

.action-button:disabled,
.drop-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.connect-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 20px;
  align-items: start;
  padding: 28px 0 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.connect-copy h1,
.status-copy h2,
.rules-card h3,
.result-overlay h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
}

.connect-copy h1 {
  margin: 0 0 14px;
  max-width: 11ch;
  color: #fff8ec;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 0.95;
}

.connect-copy p:last-child {
  margin: 0;
  max-width: 60ch;
  color: rgba(239, 245, 255, 0.86);
  line-height: 1.65;
}

.connect-controls-panel {
  border-radius: 30px;
  padding: 22px;
}

.status-copy h2 {
  margin: 0;
  font-size: clamp(1.28rem, 2.4vw, 1.82rem);
  line-height: 1.12;
}

.notice-text,
.mode-hint {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.setup-panel {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.setup-group {
  display: grid;
  gap: 12px;
}

.setup-label {
  margin: 0;
  color: #425069;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mode-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.choice-pill {
  position: relative;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
}

.choice-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice-pill span {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(21, 34, 55, 0.12);
  border-radius: 999px;
  background: #f6f9ff;
  color: #374862;
  font-weight: 800;
  cursor: pointer;
}

.choice-pill input:checked + span {
  background: linear-gradient(145deg, rgba(34, 88, 200, 0.16), rgba(143, 195, 255, 0.22));
  border-color: rgba(34, 88, 200, 0.26);
  color: #17346a;
}

.difficulty-field {
  display: grid;
  gap: 10px;
}

.difficulty-select {
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(21, 34, 55, 0.12);
  border-radius: 16px;
  background: #f6f9ff;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.metric-card {
  padding: 14px;
  border: 1px solid rgba(21, 34, 55, 0.1);
  border-radius: 20px;
  background: var(--panel-soft);
}

.metric-card span {
  display: block;
  margin-bottom: 6px;
  color: #5f6b82;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-card strong {
  font-size: 1.28rem;
}

.action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.connect-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, 0.72fr);
  gap: 20px;
  align-items: start;
}

.board-panel {
  position: relative;
  border-radius: 34px;
  padding: 20px;
  background:
    radial-gradient(circle at top, rgba(143, 195, 255, 0.16), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 14%),
    linear-gradient(155deg, #0f2652, #0c1b42);
  overflow: hidden;
}

.board-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 211, 74, 0.12), transparent 30%),
    radial-gradient(circle at 100% 18%, rgba(242, 92, 74, 0.12), transparent 22%);
  pointer-events: none;
}

.board-shell {
  position: relative;
  z-index: 1;
  width: max-content;
  max-width: 100%;
  margin: 0 auto;
}

.column-buttons {
  display: grid;
  grid-template-columns: repeat(7, var(--slot-size));
  gap: 10px;
  margin: 0 0 12px;
  justify-content: center;
}

.drop-button {
  min-height: 48px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  color: #eef5ff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.drop-button.active {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 0 0 1px rgba(143, 195, 255, 0.3);
}

.drop-button.preview-red {
  color: #ffd9d3;
}

.drop-button.preview-yellow {
  color: #fff2b5;
}

.board-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, var(--slot-size));
  gap: 10px;
  padding: 14px;
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), transparent 32%),
    linear-gradient(145deg, var(--board), var(--board-deep));
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.08),
    inset 0 -8px 14px rgba(3, 10, 24, 0.2);
}

.slot {
  position: relative;
  width: var(--slot-size);
  height: var(--slot-size);
  border-radius: 50%;
  background: radial-gradient(circle at 36% 32%, rgba(255, 255, 255, 0.08), rgba(2, 10, 28, 0.28) 58%, rgba(2, 10, 28, 0.56) 100%);
  overflow: hidden;
  cursor: pointer;
  touch-action: manipulation;
}

.slot::before,
.slot::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  transition: transform 140ms ease, opacity 140ms ease, box-shadow 140ms ease;
}

.slot::before {
  inset: 2px;
  opacity: 0;
}

.slot::after {
  opacity: 0;
  transform: scale(0.18);
}

.slot.red::after,
.slot.ghost-red::after {
  background:
    radial-gradient(circle at 34% 28%, #ffeae4 0 18%, rgba(255, 234, 228, 0.82) 18%, transparent 19%),
    radial-gradient(circle at 34% 28%, #ffddcf 0, #f47b69 42%, var(--red-deep) 100%);
}

.slot.yellow::after,
.slot.ghost-yellow::after {
  background:
    radial-gradient(circle at 34% 28%, #fff8da 0 18%, rgba(255, 248, 218, 0.82) 18%, transparent 19%),
    radial-gradient(circle at 34% 28%, #fff2a2 0, #ffd34a 44%, var(--yellow-deep) 100%);
}

.slot.red::after,
.slot.yellow::after {
  opacity: 1;
  transform: scale(1);
  box-shadow: inset 0 -4px 9px rgba(0, 0, 0, 0.18);
}

.slot.ghost-red::after,
.slot.ghost-yellow::after {
  opacity: 0.34;
  transform: scale(0.92);
}

.slot.last::before {
  opacity: 1;
  border: 2px solid rgba(255, 255, 255, 0.74);
  box-shadow: 0 0 0 2px rgba(18, 33, 63, 0.52) inset;
}

.slot.winning::before {
  opacity: 1;
  border: 4px solid rgba(255, 255, 255, 0.9);
  box-shadow:
    0 0 0 3px rgba(255, 211, 74, 0.48) inset,
    0 0 18px rgba(255, 211, 74, 0.42);
}

.slot.winning::after {
  animation: winnerPulse 900ms ease-in-out infinite alternate;
}

.slot.column-hover::before {
  opacity: 1;
  border: 2px solid rgba(255, 255, 255, 0.52);
  box-shadow:
    0 0 0 2px rgba(143, 195, 255, 0.22) inset,
    0 0 14px rgba(143, 195, 255, 0.22);
}

.winning-line {
  position: absolute;
  height: 8px;
  margin-top: 0;
  border-radius: 999px;
  pointer-events: none;
  z-index: 3;
  transform-origin: 0 50%;
  box-shadow:
    0 0 0 2px rgba(7, 17, 38, 0.22),
    0 0 22px rgba(255, 255, 255, 0.34);
  animation: winningLineReveal 260ms ease-out;
}

.winning-line.red {
  background: linear-gradient(90deg, rgba(255, 236, 230, 0.96), rgba(242, 92, 74, 0.98));
}

.winning-line.yellow {
  background: linear-gradient(90deg, rgba(255, 251, 224, 0.96), rgba(255, 211, 74, 0.98));
}

.result-overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(92%, 420px);
  padding: 22px 20px 18px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 246, 255, 0.98)),
    var(--panel);
  text-align: center;
  box-shadow: 0 22px 48px rgba(4, 12, 25, 0.34);
  z-index: 4;
  animation: overlayPop 240ms ease-out;
}

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

.overlay-kicker {
  margin: 0 0 6px;
  color: #5a6e8d;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.result-overlay h2 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1;
}

.overlay-message {
  margin: 0 auto;
  max-width: 30ch;
  color: var(--muted);
  line-height: 1.58;
}

.overlay-stats,
.overlay-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.overlay-stats span {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: #edf3ff;
  color: #35476a;
  font-weight: 700;
}

.connect-sidebar {
  display: grid;
  gap: 16px;
}

.player-card,
.rules-card {
  border-radius: 28px;
  padding: 20px;
}

.player-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 246, 255, 0.96));
}

.player-card.active {
  box-shadow:
    var(--shadow),
    0 0 0 2px rgba(143, 195, 255, 0.24);
}

.player-card.winner {
  box-shadow:
    var(--shadow),
    0 0 0 2px rgba(255, 211, 74, 0.32);
}

.player-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.player-token {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: block;
  flex: 0 0 auto;
}

.token-red {
  background:
    radial-gradient(circle at 34% 28%, #ffeae4 0 18%, rgba(255, 234, 228, 0.82) 18%, transparent 19%),
    radial-gradient(circle at 34% 28%, #ffddcf 0, #f47b69 42%, var(--red-deep) 100%);
}

.token-yellow {
  background:
    radial-gradient(circle at 34% 28%, #fff8da 0 18%, rgba(255, 248, 218, 0.82) 18%, transparent 19%),
    radial-gradient(circle at 34% 28%, #fff2a2 0, #ffd34a 44%, var(--yellow-deep) 100%);
}

.player-name {
  margin: 0 0 4px;
  font-size: 1.22rem;
  font-weight: 800;
}

.player-role {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.player-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 0;
}

.player-stats div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(227, 236, 252, 0.6);
}

.player-stats dt {
  color: #5d6c83;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.player-stats dd {
  margin: 8px 0 0;
  font-size: 1.25rem;
  font-weight: 800;
}

.rules-card h3 {
  margin: 0 0 12px;
  font-size: 1.5rem;
}

.rules-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
  display: grid;
  gap: 10px;
}

@keyframes winnerPulse {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(0.93);
  }
}

@keyframes winningLineReveal {
  from {
    opacity: 0;
    filter: blur(2px);
  }

  to {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes overlayPop {
  from {
    opacity: 0;
    transform: translate(-50%, -46%) scale(0.94);
  }

  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@media (max-width: 1080px) {
  .connect-hero,
  .connect-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .connect-app {
    width: min(100% - 18px, 920px);
    padding: 18px 0 28px;
  }

  .connect-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .connect-copy h1 {
    max-width: none;
  }

  .connect-topbar-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .mode-options,
  .action-row,
  .overlay-actions {
    flex-direction: column;
  }

  .metric-grid,
  .player-stats {
    grid-template-columns: 1fr;
  }

  .connect-return,
  .connect-support,
  .action-button,
  .choice-pill,
  .choice-pill span {
    width: 100%;
  }
}

@media (max-width: 560px) {
  :root {
    --slot-size: clamp(38px, 11vw, 54px);
  }

  .board-panel {
    padding: 14px;
  }

  .board-grid {
    gap: 7px;
    padding: 10px;
  }

  .column-buttons {
    gap: 7px;
    margin-bottom: 10px;
  }

  .drop-button {
    min-height: 42px;
  }

  .result-overlay {
    width: calc(100% - 10px);
    padding: 18px 14px 14px;
  }
}