:root {
  --bg-1: #071a2d;
  --bg-2: #12345b;
  --ink: #f4f7ff;
  --panel: #ffffff13;
  --panel-border: #ffffff2d;
  --accent: #ff5a36;
  --accent-2: #00c389;
  --muted: #d2d9ef;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 10% 10%, #1d5ca0 0%, var(--bg-1) 40%, var(--bg-2) 100%);
  min-height: 100vh;
}

.layout {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.hero h1 {
  margin: 0;
  font-family: 'Bungee', cursive;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: 0.7px;
}

.hero p {
  margin: 6px 0 0;
  color: var(--muted);
}

.screen {
  display: grid;
  gap: 12px;
  animation: fadeInUp 240ms ease;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 34px #0000002f;
}

.feedback {
  min-height: 24px;
  margin: 0;
  color: #ffd166;
}

.label {
  display: block;
  font-size: 0.92rem;
  color: var(--muted);
  margin: 14px 0 6px;
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.between {
  justify-content: space-between;
}

input,
button {
  font-family: inherit;
  font-size: 1rem;
  border-radius: 12px;
  padding: 12px 14px;
}

input {
  min-width: 240px;
  border: 1px solid #ffffff3e;
  background: #ffffff10;
  color: var(--ink);
}

input::placeholder {
  color: #dce1f39b;
}

button {
  cursor: pointer;
  border: 0;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px #0000003a;
}

button.ghost {
  background: var(--accent-2);
}

button.large {
  min-height: 58px;
  font-size: 1.05rem;
  width: 100%;
}

.cta-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 12px;
}

.cta.large {
  min-height: 70px;
  font-size: 1.15rem;
}

.screen1-card {
  padding: 22px;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.muted {
  color: var(--muted);
  margin-top: 0;
}

.room-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.room-meta-grid > div {
  background: #ffffff10;
  border: 1px solid #ffffff2a;
  border-radius: 12px;
  padding: 10px;
}

.meta-label {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.room-meta-grid p {
  margin: 4px 0 0;
  font-weight: 700;
}

.lobby-tabs {
  display: inline-flex;
  gap: 8px;
  background: #ffffff12;
  border: 1px solid #ffffff26;
  border-radius: 12px;
  padding: 6px;
  width: fit-content;
  margin: 14px auto 4px;
}

.lobby-tab {
  background: transparent;
  color: var(--ink);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

.lobby-tab.active {
  background: #ffffffec;
  color: #0f172a;
  border-color: #ffffff;
}

.lobby-subscreen {
  animation: fadeInUp 180ms ease;
}

.player-cards {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}

.player-cards li {
  background: #ffffff12;
  border: 1px solid #ffffff26;
  border-radius: 12px;
  padding: 10px;
}

.room-player {
  display: grid;
  gap: 6px;
}

.room-player.is-me {
  border-color: #00c389;
  background: #00c3891a;
}

.room-player-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.room-player-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 8px;
  line-height: 1;
}

.badge.host {
  background: #ffd166;
  color: #1f2937;
}

.badge.me {
  background: #00c389;
  color: #0b1a2e;
}

.room-player-sub {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.settings-subscreen {
  margin-top: 8px;
  background: #ffffff10;
  border: 1px solid #ffffff2b;
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}

.setting-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff12;
  border: 1px solid #ffffff1f;
  border-radius: 10px;
  padding: 8px 10px;
  justify-content: space-between;
}

.setting-item input {
  min-width: auto;
  width: 16px;
  height: 16px;
}

.setting-preview {
  width: 66px;
  height: 92px;
  border-radius: 10px;
  border: 2px solid #ffffffcc;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 14px #0000003b;
  position: relative;
  overflow: hidden;
}

.setting-preview::before {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 999px;
  background: #ffffffde;
  transform: rotate(-17deg);
}

.preview-value {
  position: relative;
  z-index: 1;
  font-family: 'Bungee', cursive;
  color: #111827;
  font-size: 1rem;
  letter-spacing: 0.5px;
}

.preview-skip { background: #d62828; }
.preview-reverse { background: #2b9348; }
.preview-draw2 { background: #2563eb; }
.preview-draw3 { background: #7c3aed; }

.preview-wild,
.preview-wild2,
.preview-wild4 {
  background: conic-gradient(
    from 0deg,
    #d62828 0deg 90deg,
    #2563eb 90deg 180deg,
    #2b9348 180deg 270deg,
    #f7b801 270deg 360deg
  );
}

.preview-wild4 .preview-value {
  text-shadow: 0 0 8px #ef4444;
}

.preview-wild2 .preview-value,
.preview-draw3 .preview-value {
  text-shadow: 0 0 8px #22d3ee;
}

.preview-skip .preview-value,
.preview-draw2 .preview-value,
.preview-draw3 .preview-value,
.preview-reverse .preview-value,
.preview-wild .preview-value,
.preview-wild2 .preview-value,
.preview-wild4 .preview-value {
  color: #f8fafc;
}

.preview-skip .preview-value,
.preview-reverse .preview-value {
  font-size: 1.6rem;
  line-height: 1;
}

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

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.status-grid.compact {
  grid-template-columns: repeat(2, minmax(140px, 1fr));
}

.status-grid article {
  background: #ffffff12;
  border-radius: 12px;
  padding: 10px;
  border: 1px solid #ffffff2d;
}

#playersList {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}

#playersList li {
  background: #ffffff12;
  border: 1px solid #ffffff1f;
  border-radius: 10px;
  padding: 8px 10px;
}

.table-board {
  margin-top: 10px;
  background: radial-gradient(circle at 50% 0%, #3a7c4a 0%, #1e5b35 70%);
  border: 2px solid #ffffff28;
  border-radius: 18px;
  padding: 16px;
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: center;
}

.pile {
  width: 132px;
  height: 188px;
  border-radius: 14px;
  border: 2px dashed #ffffff9a;
  background: linear-gradient(160deg, #111827 0%, #0b1220 100%);
  color: #f3f4f6;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 8px;
}

.draw-pile {
  cursor: pointer;
}

.draw-pile:hover {
  transform: translateY(-2px) rotate(-1deg);
}

.pile-title {
  text-transform: uppercase;
  letter-spacing: 1.3px;
  font-size: 0.78rem;
  opacity: 0.86;
}

.pile-count {
  font-size: 2.2rem;
  font-weight: 700;
}

.pile-sub {
  font-size: 0.9rem;
  opacity: 0.9;
}

.uno-card {
  width: 132px;
  height: 188px;
  border-radius: 14px;
  border: 3px solid #ffffffc6;
  position: relative;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 20px #00000047;
}

.uno-card.large {
  width: 144px;
  height: 206px;
}

.uno-card::before {
  content: '';
  position: absolute;
  inset: 11px;
  border-radius: 999px;
  background: #ffffffdd;
  transform: rotate(-18deg);
}

.uno-card .corner,
.uno-card .center {
  position: relative;
  z-index: 1;
  font-family: 'Bungee', cursive;
}

.uno-card .center {
  font-size: 2rem;
  color: #111827;
  text-transform: uppercase;
}

.uno-card .corner {
  position: absolute;
  left: 9px;
  font-size: 0.62rem;
  color: #111827;
}

.uno-card .corner.top {
  top: 8px;
}

.uno-card .corner.bottom {
  right: 9px;
  left: auto;
  bottom: 8px;
  transform: rotate(180deg);
}

.table-players {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px;
}

.table-players li {
  background: #ffffff12;
  border: 1px solid #ffffff30;
  border-radius: 12px;
  padding: 10px;
}

.table-players li.active-turn {
  outline: 2px solid #ffd166;
  background: #ffd1661c;
}

.table-players li.is-me {
  border-color: #00c389;
}

.winner-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #0000006e 0%, #000000bf 100%);
  display: grid;
  place-items: center;
  z-index: 40;
}

.winner-card {
  width: min(92vw, 520px);
  background: linear-gradient(160deg, #111827 0%, #1f2937 100%);
  border: 2px solid #ffd166;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 18px 40px #0000007a;
}

.winner-tag {
  margin: 0;
  color: #ffd166;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 0.84rem;
}

.winner-card h3 {
  margin: 8px 0 6px;
  font-size: 1.65rem;
  font-family: 'Bungee', cursive;
}

.winner-card p {
  margin: 6px 0 12px;
}

.winner-overlay.show .winner-card {
  animation: winnerPop 560ms cubic-bezier(0.2, 0.9, 0.2, 1), winnerGlow 2.4s ease-in-out infinite;
}

.color-picker {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: #000000a6;
  display: grid;
  place-items: center;
}

.color-picker-card {
  width: min(92vw, 420px);
  background: linear-gradient(155deg, #0f172a 0%, #111827 100%);
  border: 1px solid #ffffff2a;
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 18px 34px #00000080;
}

.color-picker-card h3 {
  margin: 0 0 6px;
  font-family: 'Bungee', cursive;
}

.color-picker-card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.color-choice {
  min-height: 54px;
  font-size: 1rem;
  border: 2px solid #ffffff38;
}

.color-choice.color-red { background: #d62828; }
.color-choice.color-yellow { background: #f7b801; color: #1f2937; }
.color-choice.color-green { background: #2b9348; }
.color-choice.color-blue { background: #2563eb; }

@keyframes winnerPop {
  0% {
    opacity: 0;
    transform: scale(0.72) rotate(-8deg);
  }
  60% {
    opacity: 1;
    transform: scale(1.06) rotate(1.5deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

@keyframes winnerGlow {
  0%, 100% {
    box-shadow: 0 18px 40px #0000007a;
  }
  50% {
    box-shadow: 0 14px 36px #0000006e, 0 0 0 5px #ffd16622;
  }
}

.actions {
  margin-top: 8px;
}

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

.hand-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sort-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sort-btn {
  min-height: auto;
  padding: 8px 10px;
  font-size: 0.88rem;
}

.sort-btn.active {
  background: #ffd166;
  color: #111827;
}

.card-btn {
  border: 2px solid #ffffff21;
  padding: 0;
  border-radius: 14px;
  color: white;
  width: 108px;
  height: 154px;
  text-align: left;
  overflow: hidden;
}

.card-btn .card-inner {
  height: 100%;
  position: relative;
  display: grid;
  place-items: center;
}

.card-btn .card-value {
  font-family: 'Bungee', cursive;
  font-size: 1.5rem;
  color: #101827;
  z-index: 1;
}

.card-btn.value-skip .card-value {
  font-size: 0.95rem;
  letter-spacing: 0.8px;
}

.card-btn.value-skip .card-value,
.card-btn.value-reverse .card-value {
  font-size: 1.9rem;
  letter-spacing: 0;
}

.card-btn .card-mini {
  position: absolute;
  left: 8px;
  top: 7px;
  font-size: 0.74rem;
  color: #101827;
  text-transform: uppercase;
}

.card-red { background: #d62828; }
.card-yellow { background: #f7b801; color: #1f2937; }
.card-green { background: #2b9348; }
.card-blue { background: #2563eb; }
.card-wild { background: #1f2937; }

.value-wild,
.value-wild2,
.value-wild4 {
  background: conic-gradient(
    from 0deg,
    #d62828 0deg 90deg,
    #2563eb 90deg 180deg,
    #2b9348 180deg 270deg,
    #f7b801 270deg 360deg
  );
}

.value-wild .card-inner,
.value-wild2 .card-inner,
.value-wild4 .card-inner {
  background: linear-gradient(140deg, #111827d8, #111827aa);
  border-radius: 12px;
  margin: 6px;
  height: calc(100% - 12px);
}

.value-wild4 .card-value,
.uno-card.value-wild4 .center {
  text-shadow: 0 0 8px #ef4444;
}

.value-draw2 .card-value,
.uno-card.value-draw2 .center {
  text-shadow: 0 0 8px #22d3ee;
}

.value-draw3 .card-value,
.uno-card.value-draw3 .center,
.value-wild2 .card-value,
.uno-card.value-wild2 .center {
  text-shadow: 0 0 8px #c084fc;
}

.value-reverse .card-value,
.uno-card.value-reverse .center {
  text-shadow: 0 0 8px #f97316;
}

.value-skip .card-value,
.uno-card.value-skip .center {
  text-shadow: 0 0 8px #f43f5e;
}

.uno-card.value-skip .center,
.uno-card.value-reverse .center {
  font-size: 2.8rem;
}

.card-red .card-value,
.card-green .card-value,
.card-blue .card-value,
.card-wild .card-value,
.card-red .card-mini,
.card-green .card-mini,
.card-blue .card-mini,
.card-wild .card-mini {
  color: #f8fafc;
}

.card-btn.playable {
  outline: 2px solid #ffd166;
  box-shadow: 0 0 0 2px #ffd16633, 0 12px 18px #0000004d;
}

.card-btn.not-playable {
  filter: grayscale(0.55) brightness(0.72);
  opacity: 0.55;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .layout {
    padding: 12px;
  }

  input {
    width: 100%;
    min-width: 0;
  }

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

  .lobby-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .card-btn {
    width: 98px;
    height: 140px;
  }

  .sort-controls {
    width: 100%;
  }

  .sort-btn {
    flex: 1;
    text-align: center;
  }

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

  .table-board {
    padding: 12px;
    gap: 10px;
  }

  .pile,
  .uno-card.large {
    width: 112px;
    height: 162px;
  }
}