:root {
  color-scheme: dark;
  --bg: #020617;
  --card: #020617;
  --text: #e5e7eb;
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", Arial, sans-serif;
  background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
  color: var(--text);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

header {
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top left, rgba(56,189,248,0.12), transparent 55%);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 18px;
}

.logo .et-main {
  color: #f97316; /* orange */
}

.logo .et-today {
  color: #38bdf8; /* sky blue */
}

.tagline {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 2px;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px;
}

.footer {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  margin-top: 24px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #9ca3af;
}

.footer-links {
  display: flex;
  gap: 10px;
}

.footer-links a {
  color: #e5e7eb;
  opacity: 0.9;
}

.grid-games {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.game-card {
  background: radial-gradient(circle at top, rgba(15,23,42,0.98), rgba(15,23,42,0.94));
  border-radius: 20px;
  padding: 12px 12px 14px;
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 0 18px 45px rgba(15,23,42,0.9);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 120px;
}

.game-card h2 {
  margin: 0 0 6px;
  font-size: 16px;
}

.game-card p {
  margin: 0 0 10px;
  font-size: 13px;
  color: #9ca3af;
}

.game-card .btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(30,64,175,0.95);
  border-radius: 999px;
  border: 1px solid rgba(59,130,246,0.85);
  color: #e5e7eb;
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
}

.game-card .btn span {
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(30,64,175,0.95);
  border-radius: 999px;
  border: 1px solid rgba(59,130,246,0.85);
  color: #e5e7eb;
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
}

.btn span {
  font-size: 13px;
}

.page {
  background: radial-gradient(circle at top, rgba(15,23,42,0.98), rgba(15,23,42,0.94));
  border-radius: 20px;
  padding: 16px 16px 18px;
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 0 18px 45px rgba(15,23,42,0.9);
}

.page h1 {
  margin-top: 0;
  font-size: 20px;
}

.page h2 {
  margin-top: 18px;
  font-size: 16px;
}

.page p, .page li {
  font-size: 13px;
  color: #d1d5db;
}

.page ul {
  padding-left: 18px;
}

.game-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 18px;
}

@media (max-width: 800px) {
  .game-wrapper {
    grid-template-columns: minmax(0, 1fr);
  }
}

.game-panel {
  background: radial-gradient(circle at top, rgba(15,23,42,0.98), rgba(15,23,42,0.94));
  border-radius: 20px;
  padding: 14px 14px 16px;
  border: 1px solid rgba(148,163,184,0.35);
  box-shadow: 0 18px 45px rgba(15,23,42,0.9);
}

.game-panel h2 {
  margin: 0 0 4px;
  font-size: 18px;
}

.game-panel p {
  margin: 4px 0;
  font-size: 13px;
  color: #9ca3af;
}

.game-board {
  margin-top: 10px;
}

.game-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.game-controls button {
  background: rgba(30,64,175,0.95);
  border-radius: 999px;
  border: 1px solid rgba(59,130,246,0.85);
  color: #e5e7eb;
  padding: 4px 10px;
  font-size: 13px;
  cursor: pointer;
}

.game-controls button:hover {
  background: rgba(37,99,235,0.98);
}

.game-controls span {
  color: #9ca3af;
}


/* V4 game refresh */
.lang-note{font-size:12px;color:#94a3b8}.status{margin-top:10px;font-size:13px;color:#cbd5e1;min-height:20px}
.simple-grid{display:grid;gap:6px;max-width:520px;margin:14px auto}.tile-btn{min-height:48px;border:1px solid rgba(148,163,184,.45);border-radius:12px;background:#111827;color:#fff;font-size:20px;cursor:pointer}.tile-btn:disabled{opacity:.35}.accent{color:#38bdf8}.danger{color:#fb7185}.success{color:#4ade80}
.game-top{display:flex;justify-content:space-between;gap:8px;align-items:center;flex-wrap:wrap}.pill{border:1px solid rgba(148,163,184,.35);padding:5px 9px;border-radius:999px;font-size:12px;color:#cbd5e1}.board-wrap{overflow:auto;-webkit-overflow-scrolling:touch}.primary-btn{background:#1d4ed8;border:1px solid #3b82f6;color:#fff;border-radius:999px;padding:8px 14px;cursor:pointer}.secondary-btn{background:#111827;border:1px solid #475569;color:#fff;border-radius:999px;padding:8px 14px;cursor:pointer}