:root {
  --bg: #0f172a;
  --card: #111827;
  --accent: #38bdf8;
  --accent-strong: #22d3ee;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --danger: #f87171;
  --success: #4ade80;
  --radius: 12px;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.08), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.08), transparent 25%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 24px;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(34, 211, 238, 0.07)),
    var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex-wrap: wrap;
}

h1 {
  margin: 4px 0 8px;
  font-size: clamp(28px, 5vw, 42px);
}

h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

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

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

.scoreboard {
  background: rgba(17, 24, 39, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px;
  border-radius: var(--radius);
  min-width: 240px;
}

.scores {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.score {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 600;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.setup {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  color: var(--muted);
  font-size: 14px;
}

input[type="text"] {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 12px;
  color: var(--text);
  font-size: 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.setup-actions {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  font-size: 16px;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  outline: none;
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.25);
}

button:active {
  transform: translateY(0);
}

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

.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0b1324;
  font-weight: 700;
}

.secondary {
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.status-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.status {
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  font-weight: 700;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.turn-player1 {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.55);
  color: #e0f2fe;
}

.turn-player2 {
  background: rgba(168, 85, 247, 0.18);
  border-color: rgba(168, 85, 247, 0.55);
  color: #f3e8ff;
}

.flags {
  min-height: 220px;
}

.flags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 12px;
}

.flag {
  position: relative;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pop 0.25s ease;
}

.flag::before {
  content: "";
  position: absolute;
  bottom: 0;
  width: 12px;
  height: 85px;
  background: linear-gradient(180deg, #cbd5e1, #e2e8f0);
  border-radius: 6px;
  box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

.flag-body {
  position: relative;
  margin-left: 14px;
  width: 58px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  border-radius: 6px 12px 12px 6px;
  box-shadow: 0 6px 14px rgba(34, 211, 238, 0.35);
  transform-origin: left center;
  /* Shift the fabric slightly forward and upward so it appears to flutter away from the pole */
  transform: translate(12px, -15px);
  overflow: hidden;
}

.final-flag .flag-body {
  background: linear-gradient(135deg, #f87171, #ef4444);
  box-shadow: 0 6px 14px rgba(248, 113, 113, 0.45);
}

.final-flag.game-over .flag-body {
  box-shadow: 0 6px 14px rgba(248, 113, 113, 0.45), 0 0 0 3px rgba(250, 204, 21, 0.65),
    0 0 22px rgba(250, 204, 21, 0.85);
  border: 2px solid rgba(250, 204, 21, 0.9);
}

.flag-body::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.24), transparent 50%);
  transform: skewX(-8deg);
  opacity: 0.8;
}

.flag-wave {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.18), transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.12), transparent 40%);
  mix-blend-mode: screen;
  opacity: 0.65;
  animation: wave 2.4s ease-in-out infinite;
}

@keyframes wave {
  0% {
    transform: skewX(-3deg) translateX(0);
  }
  50% {
    transform: skewX(3deg) translateX(3px);
  }
  100% {
    transform: skewX(-3deg) translateX(0);
  }
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.controls h2,
.messages h2 {
  margin-top: 0;
}

.btn-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.take {
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
  font-weight: 700;
}

.take:nth-child(2) {
  background: linear-gradient(135deg, #a855f7, #8b5cf6);
}

.take:nth-child(3) {
  background: linear-gradient(135deg, #f97316, #fb923c);
}

.messages-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.note {
  color: var(--muted);
  font-size: 14px;
}

.message-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
}

.message-list li {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 12px;
  border-radius: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 768px) {
  body {
    padding: 16px;
  }

  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-row {
    grid-template-columns: 1fr;
  }

  .flags-grid {
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
  }
}

@media (max-width: 520px) {
  .app {
    gap: 14px;
  }

  .flag {
    height: 80px;
  }

  .flag-body {
    width: 52px;
    height: 32px;
  }
}