.welcome-modal {
  position: fixed;
  inset: 0;
  background:var(--ks-bg-elev) ;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.welcome-content {
  position: relative;
  z-index: 1;
  background: var(--ks-bg-elev);
  color: var(--ks-fg);
  padding: 40px 44px;
  border-radius: 16px;
  width: 640px;
  max-width: 92vw;
  box-shadow: 0 28px 72px rgba(0,0,0,.55);
  text-align: center;
}

.welcome-content h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

.welcome-content p {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--ks-fg);
}

.welcome-logo {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #D4AF37, #8f7a2a);
  color: var(--ks-fg);
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
}

.welcome-actions {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.welcome-actions button {
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid #333;
  background:var(--ks-bg-elev) ;
  color: var(--ks-fg);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.welcome-actions button:hover {
  background:var(--ks-bg-elev) ;
  border-color: #666;
}

#welcome-start {
  background:var(--ks-bg-elev) ;
  color: var(--ks-fg);
  font-weight: 700;
  border: none;
}

#welcome-start:hover {
  background: var(--ks-bg-elev);
}

/* 強制 hidden 真的隱藏（有些 reset 會把 UA 規則洗掉） */
.welcome-modal[hidden] { display: none !important; }