:root {
  --bg-1: #03121f;
  --bg-2: #132c48;
  --card: rgba(8, 20, 34, 0.84);
  --line: rgba(148, 195, 255, 0.28);
  --text: #ecf4ff;
  --muted: #97b7d6;
  --accent: #57c5ff;
  --accent-2: #ffd54f;
  --danger: #ff7a7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #1e4e7f 0%, transparent 40%),
    radial-gradient(circle at 80% 90%, #0a5771 0%, transparent 45%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2));
}

.aurora {
  position: fixed;
  inset: -25%;
  background: conic-gradient(from 120deg, rgba(87, 197, 255, 0.22), rgba(255, 213, 79, 0.2), rgba(87, 197, 255, 0.05));
  filter: blur(70px);
  animation: drift 12s ease-in-out infinite alternate;
  z-index: 0;
}

@keyframes drift {
  from {
    transform: translate(-5%, -3%) scale(1);
  }
  to {
    transform: translate(4%, 5%) scale(1.1);
  }
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1280px, calc(100% - 24px));
  margin: 12px auto;
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.25);
}

.login-card {
  width: min(520px, 100%);
  margin: 9vh auto;
  padding: 28px;
  text-align: center;
}

h1,
h2 {
  margin: 0 0 10px;
  font-family: 'Chakra Petch', sans-serif;
  letter-spacing: 0.04em;
}

p {
  color: var(--muted);
}

form {
  display: flex;
  gap: 8px;
}

input,
button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
}

input {
  flex: 1;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  padding: 11px 12px;
}

button {
  background: linear-gradient(140deg, var(--accent), #31a9eb);
  color: #001321;
  border: 0;
  padding: 11px 14px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.06);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.hidden {
  display: none !important;
}

.lobby-layout {
  display: grid;
  grid-template-columns: 1.6fr 1.2fr 0.9fr;
  gap: 12px;
  min-height: calc(100vh - 24px);
}

.column {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.chat-log,
.games-list,
.players-list {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.17);
  padding: 10px;
  overflow-y: auto;
}

.chat-log {
  flex: 1;
  min-height: 280px;
  max-height: calc(100vh - 210px);
}

.games-list,
.players-list {
  min-height: 220px;
}

.games-list {
  flex: 1;
  min-height: 420px;
}

#single-player-btn {
  margin-top: 4px;
}

.chat-form,
.create-form {
  margin-top: auto;
}

.create-form {
  margin-top: 0;
}

.chat-item {
  margin-bottom: 8px;
  line-height: 1.3;
}

.chat-item.player {
  color: var(--accent-2);
}

.chat-player-name {
  font-weight: 700;
}

.chat-item.system {
  color: var(--accent);
}

.game-row,
.player-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.player-row.in-game {
  border-color: rgba(255, 213, 79, 0.45);
}

.game-meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 5px 0 8px;
}

.status-line {
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.game-card {
  padding: 14px;
}

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

#game-status {
  margin: 0;
  flex: 1;
}

#leave-game-btn {
  background: linear-gradient(145deg, #ff8484, #ff6464);
}

#game-canvas {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  margin-top: 12px;
  background: linear-gradient(#80d8ff, #9de4ff 65%, #f7be63 65%, #e89e39);
}

.controls {
  margin: 8px 0 0;
  font-size: 0.92rem;
}

@media (max-width: 1120px) {
  .lobby-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .chat-log,
  .games-list,
  .players-list {
    min-height: 180px;
  }
}